Damping assembly, motor assembly and range hood

Abstract

The utility model provides a shock absorption assembly, motor assembly and range hood, including shock absorption piece and connecting piece, shock absorption piece is attached to connecting piece, shock absorption piece is equipped with convex part, connecting piece is equipped with accommodation groove, convex part is at least partially embedded in the accommodation groove. According to the damping assembly provided by the utility model, as the convex part is at least partially embedded in the accommodating groove, when the damping assembly is applied to the motor assembly, through the interaction of the convex part and the inner surface of the accommodating groove, on one hand, the axial vibration and the radial vibration of the motor can be effectively counteracted, so that the damping effect is well achieved; and on the other hand, the installation of the damping piece can be limited, and the problem that the damping effect is reduced due to the fact that the damping piece deviates between the motor and the connecting piece is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to range hood technical field, specifically, relate to a damping assembly, motor assembly and range hood. BACKGROUND

[0002] With the improvement of people's life quality, the requirement of kitchen cooking environment is also growing. The range hood has become one of the indispensable kitchen household appliances in modern family. The existing range hood generally includes a motor assembly, and the motor assembly is the core of the power part of the range hood. However, the motor assembly in the existing range hood is prone to vibration during operation, causing unnecessary noise, which not only affects the user's cooking experience, but also may harm the user's physical and mental health.

[0003] In order to reduce noise, the existing motor assembly usually sets an elastic gasket between the motor and the connecting piece to reduce the vibration generated during operation, but the damping and noise reduction effect of this scheme is not ideal, the buffering effect of the axial vibration generated by the motor is limited, and the radial runout caused by the imbalance of the impeller cannot be solved, so that the vibration caused by the motor to the connecting piece is large, thereby generating a larger noise. The vibration generated by the motor during operation is also transmitted to the shell through the connecting piece, resulting in an increase in noise. In addition, the elastic gasket is usually not limited between the motor and the connecting piece, so that the elastic gasket is not stable during installation and is easy to shift between the motor and the connecting piece, resulting in a decrease in damping effect and other problems. SUMMARY

[0004] In order to at least partially solve the problems existing in the prior art, according to one aspect of the utility model, a damping assembly is provided, and the technical scheme is as follows.

[0005] The damping assembly includes a damping piece and a connecting piece, the damping piece is attached to the connecting piece, and the damping piece has a protrusion, the connecting piece has a receiving groove, and the protrusion is at least partially embedded in the receiving groove.

[0006] The damping assembly of the utility model, since the protrusion is at least partially embedded in the receiving groove, when the damping assembly is applied to the motor assembly, through the interaction between the protrusion and the inner surface of the receiving groove, on the one hand, the axial vibration and the radial vibration of the motor can be effectively cancelled out, thereby achieving a good damping effect; on the other hand, the installation of the damping piece can also play a limiting role, avoiding the problem of reducing the damping effect caused by the shift of the damping piece between the motor and the connecting piece.

[0007] Exemplarily, the damping member has a body and a contact portion, and the convex portion and the contact portion are located on opposite sides of the body respectively. In this way, when the damping assembly is applied to the motor assembly, the contact portion is in contact with the motor, effectively reducing the vibration transmitted from the motor to the connecting member, thereby reducing the noise generated during the operation of the motor assembly, and further improving the damping effect.

[0008] Exemplarily, the center line of the contact portion coincides with the center line of the convex portion. In this way, when the damping assembly is applied to the motor assembly, the motor, the contact portion, the convex portion and the accommodating groove are matched, the vibration received by the contact portion can be effectively transmitted to the convex portion, and the vibration on the motor can be offset through the interaction between the convex portion and the inner surface of the accommodating groove, thereby reducing the axial vibration and radial vibration of the motor, and further reducing the noise generated during the operation of the motor assembly.

[0009] Exemplarily, the contact portion is in a cylindrical shape. In this way, the force received by the contact portion can be uniformly distributed and transmitted, thereby improving the damping effect.

[0010] Exemplarily, the body is in a ring shape, and a plurality of convex portions and a plurality of contact portions are arranged along the circumference of the body. In this way, when the damping assembly is applied to the motor assembly, the vibration transmitted from the motor to the connecting member can be uniformly reduced, the damping effect is further improved, and the damping assembly is easy to manufacture.

[0011] Exemplarily, in the installation direction, the accommodating groove is large at the top and small at the bottom. In this way, the accommodating groove in a reverse circular truncated cone shape or a reverse angular truncated cone shape can better disperse the force received by the accommodating groove, thereby improving the damping effect.

[0012] Exemplarily, the accommodating groove has a maximum upper base size L and a depth H, and the relationship between the depth H and the maximum upper base size L is H = 2 / 3L. In this way, the structural strength of the accommodating groove is effectively ensured, and the convex portion can be effectively embedded in the accommodating groove, avoiding the situation that the convex portion is easily detached from the accommodating groove.

[0013] Exemplarily, the depth H is 8mm-25mm. In this way, when the depth H is within this range, the convex portion is embedded in the accommodating groove, avoiding the situation that the convex portion is easily detached from the accommodating groove.

[0014] Exemplarily, a plurality of through holes are uniformly arranged on the side wall of the accommodating groove. In this way, the through holes can provide a damping space for the convex portion, avoiding the situation that the convex portion is deformed, damaged or failed due to long-time extrusion in the accommodating groove.

[0015] Exemplarily, the through hole is configured as a circular hole with a diameter D of 2mm-5mm; or the through hole is configured as a hexagonal honeycomb hole with a side length L1 of 2mm-4mm. In this way, when the diameter D or the side length L1 is within the range, the convex part can be effectively provided with a shock-absorbing space, and the situation that the through hole is too large to cause the structural strength of the accommodation groove to be too low and be easily damaged is avoided, and the situation that the through hole is too small to cause the convex part to be provided with insufficient shock-absorbing space and fail to play a shock-absorbing role is also avoided.

[0016] Exemplarily, the adjacent two through holes have a hole spacing L2, and the hole spacing L2 is 4mm-8mm. In this way, when the hole spacing L2 is within the range, the convex part can be effectively provided with a shock-absorbing space, and the situation that the hole spacing between the adjacent two through holes is too large to cause the convex part to be provided with insufficient shock-absorbing space and fail to play a shock-absorbing role is avoided, and the situation that the hole spacing between the adjacent two through holes is too small to cause the structural strength of the accommodation groove to be too low and be easily damaged is also avoided.

[0017] Exemplarily, a plurality of fixing parts extend outwardly on the outer edge of the connecting piece and are uniformly and spacedly arranged along the circumferential direction of the connecting piece. In this way, the firmness of the connecting piece during installation can be improved, and the installation is facilitated, and the user's use experience is improved.

[0018] Exemplarily, a plurality of accommodation grooves are uniformly and spacedly arranged along the circumferential direction of the connecting piece, and one accommodation groove is arranged between the adjacent two fixing parts. In this way, the vibration transmitted to the fixing part by the accommodation groove can be effectively reduced, and when the shock-absorbing assembly is applied to the range hood, the vibration transmitted to the volute by the motor assembly can be effectively reduced, thereby reducing the noise generated during the operation of the range hood.

[0019] According to another aspect of the present application, a motor assembly is provided, which comprises a motor and the shock-absorbing assembly as described above, the motor has a first connecting part, the first fastener passes through the first connecting part and the convex part and is connected to the groove bottom wall of the accommodation groove, and the connecting piece is spaced apart from the first connecting part by the shock-absorbing piece. In this way, the connecting piece and the first connecting part are spaced apart by the shock-absorbing piece, thereby effectively reducing the vibration transmitted to the connecting piece by the motor, thereby reducing the noise generated during the operation of the motor assembly, and at the same time, the installation is convenient, and the user's use experience is improved. Since the shock-absorbing assembly as described above has the above beneficial effects, the motor assembly comprising the shock-absorbing assembly as described above also has the above beneficial effects, which will not be repeated here.

[0020] According to the motor assembly, the oil fume extractor has the beneficial effects as described above.

[0021] A series of simplified forms are introduced in the utility model content, which will be further described in detail in the specific embodiment part.

[0022] The advantages and features of the present application will be described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] The following drawings of the present application are hereby incorporated as part of the present application for the purpose of understanding the present application. The embodiments of the present application and the description thereof shown in the drawings are used to explain the principles of the present application. In the drawings,

[0024] Figure 1 It is a perspective view of a partial oil fume extractor of an exemplary embodiment of the present application;

[0025] Figure 2 It is a sectional view of the partial oil fume extractor shown in Fig. Figure 1

[0026] Figure 3 It is an enlarged view of part A in Fig. Figure 2

[0027] Figure 4 It is a perspective view of the connecting piece shown in Fig. Figure 2

[0028] Figure 5 It is a sectional view of the connecting piece shown in Fig. Figure 4

[0029] Figure 6 It is an enlarged view of part B in Fig. Figure 5

[0030] Figure 7 It is a perspective view of the damping piece shown in Fig. Figure 2

[0031] Figure 8 It is a sectional view of the damping piece shown in Fig. Figure 7

[0032] Among them, the above drawings include the following reference signs: ​​​​​​​

[0033] 1, motor assembly; 10, damping assembly; 110, damping member; 111, body; 1111, first surface; 1112, second surface; 112, protrusion; 113, contact portion; 114, first mounting hole; 120, connecting member; 121, accommodating groove; 1211, through hole; 1212, second mounting hole; 122, fixing portion; 1221, third mounting hole; 11, motor; 1101, first connecting portion; 1101a, fourth mounting hole; 2, volute; 20, second connecting portion; 3, first fastener; X, mounting direction. DETAILED DESCRIPTION

[0034] In the following description, numerous specific details are provided in order to provide a thorough understanding of the present application. One of ordinary skill in the art will realize, however, that the application can be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order not to unnecessarily obscure the present application.

[0035] In order to thoroughly understand the embodiments of the present application, detailed structures will be proposed in the following description. Obviously, the implementation of the embodiments of the present application is not limited to the special details familiar to those skilled in the art. The preferred embodiments of the present application are described in detail as follows, however, in addition to these detailed descriptions, the present application can have other embodiments.

[0036] The embodiments of the present application provide a damping assembly. The damping assembly of the present application can be installed on a motor assembly, which can be applied to a range hood. Hereinafter, a damping assembly according to the embodiments of the present application will be introduced in detail in combination with the accompanying drawings.

[0037] In combination with the accompanying drawings Figures 1 to 7 , the damping assembly 10 can include a damping member 110 and a connecting member 120. The damping member 110 can be attached to the connecting member 120. The damping member 110 can have a protrusion 112. The connecting member 120 can have an accommodating groove 121. The protrusion 112 can be at least partially embedded in the accommodating groove 121.

[0038] The damping assembly 10 of the present application, since the protrusion 112 is at least partially embedded in the accommodating groove 121, when the damping assembly 10 is applied to the motor assembly 1, through the interaction between the protrusion 112 and the inner surface of the accommodating groove 121, on the one hand, the axial vibration and the radial vibration of the motor 11 can be effectively offset, thereby achieving a damping effect; on the other hand, the installation of the damping member 110 can also play a limiting role, avoiding the problem of reducing the damping effect caused by the offset of the damping member 110 between the motor 11 and the connecting member 120.

[0039] It should be noted that, in order to avoid the convex part 112 from being easily detached from the accommodating groove 121, the convex part 112 can be tightly attached to the wall surface of the accommodating groove 121, and the convex part 112 and the wall surface of the accommodating groove 121 can be in an interference fit. Of course, it is not excluded that the convex part 112 and the wall surface of the accommodating groove 121 are connected by other means, such as pasting, etc.

[0040] The convex part 112 can be integrally formed with the main body of the damping member 110, so as to facilitate the connection between the damping member 110 and the connecting member 120. Of course, the convex part 112 can also be a separate structure from the main body of the damping member 110, for example, the convex part 112 can be connected to the main body of the damping member 110 by snap connection or pasting, etc., so as to facilitate the replacement of the damaged convex part 112, thereby saving the cost. Preferably, the damping member 110 can be made of rubber. Rubber has good resilience, is easy to process, and is low in price, thereby saving the processing cost. Of course, the damping member 110 can also be made of other materials.

[0041] In combination with the description of Figure 2 , Figure 3 , Figure 7 and Figure 8 , the damping member 110 can have a body 111 and a contact part 113, and the convex part 112 and the contact part 113 can be located on opposite sides of the body 111, respectively. Specifically, the body 111 can have a first surface 1111 and a second surface 1112. The first surface 1111 can be opposite to the second surface 1112. The second surface 1112 can be attached to the connecting member 120. The convex part 112 can be arranged on the second surface 1112. The contact part 113 can be arranged on the first surface 1111. When the damping assembly 10 is applied to the motor assembly 1, the contact part 113 is in contact with the motor 11, effectively reducing the vibration transmitted from the motor 11 to the connecting member 120, thereby reducing the noise generated during the operation of the motor assembly 1, and further improving the damping effect. The contact part 113 can be integrally formed with the main body of the damping member 110, so as to facilitate the connection between the damping member 110 and the motor 11. Of course, the contact part 113 can also be a separate structure from the main body of the damping member 110, for example, the contact part 113 can be connected to the main body of the damping member 110 by snap connection or pasting, etc., so as to facilitate the replacement of the damaged contact part 113, thereby saving the cost.

[0042] In combination with the description of Figure 3 , Figure 7 and Figure 8The center line of the contact portion 113 can coincide with the center line of the convex portion 112. In this way, when the damping assembly 10 is applied to the motor assembly 1, the motor 11, the contact portion 113, the convex portion 112 and the accommodating groove 121 can be matched, the vibration of the contact portion 113 can be effectively transmitted to the convex portion 112, the vibration of the motor 11 can be effectively offset through the interaction between the convex portion 112 and the inner surface of the accommodating groove 121, the axial vibration and the radial vibration of the motor 11 are reduced, and the noise generated during the operation of the motor assembly 1 is reduced.

[0043] Specifically, the center line of the accommodating groove 121 can coincide with the center line of the contact portion 113 and the convex portion 112. In this way, the vibration of the convex portion 112 can be effectively transmitted to the inner surface of the accommodating groove 121, the vibration of the motor 11 can be more effectively offset through the interaction between the convex portion 112 and the inner surface of the accommodating groove 121, and the noise generated during the operation of the motor assembly 1 is further reduced.

[0044] Further, the first mounting hole 114 can be arranged at the center line of the convex portion 112 and the contact portion 113, and the second mounting hole 1212 can be arranged at the bottom wall of the accommodating groove 121, so as to connect the damping assembly 10 and the motor 11.

[0045] Again in combination with Figure 3 , Figure 7 and Figure 8 , the contact portion 113 can be in a cylindrical shape. In this way, the force acting on the contact portion 113 can be evenly distributed and transmitted, thereby improving the damping effect. Of course, the contact portion 113 can also have other shapes, such as a cube.

[0046] In combination with Figure 1 , Figure 2 , Figure 7 and Figure 8 , the body 111 can be annular, and a plurality of convex portions 112 and a plurality of contact portions 113 can be arranged along the circumference of the body 111. In this way, when the damping assembly 10 is applied to the motor assembly 1, the vibration transmitted from the motor 11 to the connecting piece 120 can be evenly reduced, the damping effect is further improved, and the damping assembly 10 is easy to manufacture. Further, the connecting piece 120 and the body 111 can have similar shapes, and can be generally annular, so that the damping assembly 110 can better fit the connecting piece 120 to achieve good damping effect.

[0047] In an embodiment not shown in the drawings, the damping member 110 can be multiple. The body 111 can be arc-shaped. The body 111 can also be block-shaped, etc. One or more protrusions 112 can be provided corresponding to each body 111. The accommodating groove 121 can be multiple. The multiple protrusions 112 and the multiple accommodating grooves 121 can be one-to-one corresponding and matched. In this way, the damaged damping member 110 can be conveniently repaired or replaced, and the cost is reduced.

[0048] With reference to Figures 3 to 6 In the installation direction X, the accommodating groove 121 is large at the top and small at the bottom. Understandably, the installation direction X can be the direction in which the damping member 110 is attached to the connecting member 120, or it can be said that the protrusion 112 is embedded in the direction of the accommodating groove 121. Specifically, the accommodating groove 121 can be inverted round table-shaped or inverted edge table-shaped. The accommodating groove 121 is inverted round table-shaped or inverted edge table-shaped, which can better disperse the force received by the accommodating groove 121, thereby improving the damping effect. Of course, the accommodating groove 121 can also be other shapes, such as a cube, etc.

[0049] Again with reference to Figures 3 to 6 The accommodating groove 121 can have a maximum upper base size L and a depth H. The relationship between the depth H and the maximum upper base size L can be H = 2 / 3L. Understandably, the greater the depth H, the more difficult it is for the protrusion 112 to come out of the accommodating groove 121, but the lower the structural strength of the accommodating groove 121; the greater the maximum upper base size L, the higher the structural strength of the accommodating groove 121, but the more easily the protrusion 112 comes out of the accommodating groove 121. In this way, the structural strength of the accommodating groove 121 is effectively ensured, and the protrusion 112 can be effectively embedded in the accommodating groove 121, avoiding the situation that the protrusion 112 is easily removed from the accommodating groove 121.

[0050] The maximum upper base size L can be 10mm-40mm. For example, the maximum upper base size L can be 10mm, 25mm, 40mm, etc. When the maximum upper base size L is within this range, the structural strength of the accommodating groove 121 can be effectively ensured.

[0051] Again with reference to Figures 3 to 6 The depth H can be 8mm-25mm. For example, the depth H can be 8mm, 10mm, 25mm, etc. When the depth H is within this range, the protrusion 112 is embedded in the accommodating groove 121, avoiding the situation that the protrusion 112 is easily removed from the accommodating groove 121. The best depth H can be 10mm, which can more effectively avoid the situation that the protrusion 112 is easily removed from the accommodating groove 121.

[0052] Specifically, when the accommodating groove 121 can be inverted round table-shaped, the depth H can be 10mm, and the maximum upper base size L can be 15mm.

[0053] With reference toFigures 4 to 6 The side wall of the accommodation groove 121 can be uniformly provided with a plurality of through holes 1211. The through holes 1211 can provide a shock absorption space for the convex part 112, avoiding the deformation, damage or failure of the convex part 112 caused by long-time extrusion in the accommodation groove 121. In this way, the service life of the damping member 110 is prolonged, and the user's experience is improved. Specifically, the number of through holes 1211 can be 8, 12 or 16, etc. Of course, it is not excluded that the side wall of the accommodation groove 121 can be uniformly provided with a plurality of blind holes.

[0054] Again, see Figures 4 to 6 The through holes 1211 can be configured as circular holes with a diameter D of 2mm-5mm, for example, the diameter D can be 2mm, 3mm, 5mm, etc. When the diameter D is within this range, the convex part 112 can be effectively provided with a shock absorption space, and the through holes 1211 are too large to cause the structure of the accommodation groove 121 to be too low in strength and easily damaged, and the through holes 1211 are too small to provide insufficient shock absorption space for the convex part 112, and cannot play a shock absorption role. The optimal length of the diameter D can be 2mm, which can more effectively provide a shock absorption space for the convex part 112, and effectively avoid the through holes 1211 being too large to cause the structure of the accommodation groove 121 to be too low in strength and easily damaged, and effectively avoid the through holes 1211 being too small to provide insufficient shock absorption space for the convex part 112, and cannot play a shock absorption role.

[0055] In some embodiments, the through holes 1211 can also be configured as hexagonal honeycomb holes with a side length L1 of 2mm-4mm, and the side length L1 can be 2mm, 3mm, 4mm, etc. When the side length L1 is within this range, the convex part 112 can be effectively provided with a shock absorption space, and the through holes 1211 are too large to cause the structure of the accommodation groove 121 to be too low in strength and easily damaged, and the through holes 1211 are too small to provide insufficient shock absorption space for the convex part 112, and cannot play a shock absorption role. The optimal length of the side length L1 can be 3mm, which can more effectively provide a shock absorption space for the convex part 112, and effectively avoid the through holes 1211 being too large to cause the structure of the accommodation groove 121 to be too low in strength and easily damaged, and effectively avoid the through holes 1211 being too small to provide insufficient shock absorption space for the convex part 112, and cannot play a shock absorption role. Of course, the through holes 1211 can also have other shapes, such as triangles, squares, etc.

[0056] Again, see Figures 4 to 6The hole spacing L2 can be 4mm-8mm. For example, the hole spacing L2 can be 4mm, 6mm, 8mm, etc. When the hole spacing L2 is within this range, the convex portion 112 can be effectively provided with a shock absorbing space, and the situation that the hole spacing between the two adjacent through holes 1211 is too large to provide insufficient shock absorbing space for the convex portion 112 and cannot play a shock absorbing role is avoided, and the situation that the hole spacing between the two adjacent through holes 1211 is too small to cause the structure of the accommodation groove 121 to be too low in strength and easy to be damaged is avoided. The optimal length of the hole spacing L2 can be 6mm, which can more effectively provide the convex portion 112 with a shock absorbing space, and more effectively avoid the situation that the hole spacing between the two adjacent through holes 1211 is too large to provide insufficient shock absorbing space for the convex portion 112 and cannot play a shock absorbing role, and effectively avoid the situation that the hole spacing between the two adjacent through holes 1211 is too small to cause the structure of the accommodation groove 121 to be too low in strength and easy to be damaged.

[0057] With reference to Figures 1 to 5 The outer edge of the connecting piece 120 can extend outwardly a plurality of fixing portions 122. The plurality of fixing portions 122 can be uniformly spaced along the circumferential direction of the connecting piece 120. The fixing portion 122 can be provided with a third mounting hole 1221. In this way, the firmness of the connecting piece 120 during installation can be improved, and installation is facilitated, improving the user's experience. Specifically, the number of fixing portions 122 can be four, which can effectively improve the firmness of the connecting piece 120 during installation. The fixing portion 122 can also be two, three, or six, etc. The fixing portion 122 and the main body of the connecting piece 120 can be an integral molding structure to facilitate installation of the connecting piece 120. Of course, the fixing portion 122 and the main body of the connecting piece 120 can also be a split structure, for example, connected by welding, pasting, etc.

[0058] With reference to Figures 1 to 5 A plurality of accommodation grooves 121 can be uniformly spaced along the circumferential direction of the connecting piece 120, and one accommodation groove 121 can be provided between the two adjacent fixing portions 122. In this way, the vibration transmitted from the accommodation groove 121 to the fixing portion 122 can be effectively reduced, and when the shock absorbing assembly 10 is applied to the range hood, the vibration transmitted from the motor assembly 1 to the volute 2 can be effectively reduced, thereby reducing the noise generated during operation of the range hood.

[0059] According to another aspect of the utility model, provide a kind of motor assembly 1, can include motor 11 and the damping assembly 10 as described above. Motor 11 can have first connecting portion 1101. First fastener 3 can be connected to the groove bottom wall of accommodating groove 121 after passing through first connecting portion 1101 and convex portion 112, and connecting piece 120 can be spaced apart from first connecting portion 1101 by damping member 110. In this way, connecting piece 120 and first connecting portion 1101 are spaced apart by damping member 110, effectively reducing the vibration transmitted by motor 11 to connecting piece 120, thereby reducing the noise generated during operation of motor assembly 1, while being easy to install, improving the user experience. Since the damping assembly 10 as described above has the above beneficial effects, the motor assembly 1 including the damping assembly 10 as described above also has the above beneficial effects, which will not be repeated here.

[0060] For reference Figures 1 to 3 Specifically, first connecting portion 1101 can have fourth mounting hole 1101a. First fastener 3 is sequentially passed through fourth mounting hole 1101a, first mounting hole 114 and second mounting hole 1212, thereby mounting damping assembly 10 to motor 11. In this way, it is easy to disassemble and assemble. When the damping member 110 is aged or damaged, the damping member 110 can be removed by removing the first fastener 3, making it easy to replace the damping member 110 and improving the user experience. First fastener 3 can be a screw, rivet or bolt. The number of first connecting portions 1101 can be multiple. For example, the number of first connecting portions 1101 can be 4, which saves materials and improves the firmness of installation.

[0061] Preferably, the number of accommodating groove 121, convex portion 112, contact portion 113 and first connecting portion 1101 can be consistent, and the center lines of the four can coincide. In this way, damping assembly 10 can be securely mounted to motor 11, reducing the noise generated by the vibration of connecting piece 120 driven by motor 11 during operation of motor assembly 1. According to still another aspect of the utility model, a range hood is provided, which can include a volute 2 and a motor assembly 1 as described above. Volute 2 can have a second connecting portion 20. Second connecting portion 20 and connecting piece 120 can be connected by second fastener (not shown in the figure). Since the motor assembly 1 as described above has the above beneficial effects, the range hood including the motor assembly 1 as described above also has the above beneficial effects, which will not be repeated here.

[0062] It should be noted that the volute 2 can be provided with an impeller (not shown in the figure), and the impeller can be connected with the motor 11. The motor 11 can drive the impeller to rotate, so as to form a negative pressure area at the air inlet of the range hood, and then the rising oil fume is sucked. In the process of rotation, the impeller may produce noise due to poor dynamic balance and the like. The range hood comprising the motor assembly 1 with the damping assembly 10 as described above can ensure the dynamic balance of the impeller in the process of rotation, so that the impeller rotates stably.

[0063] Specifically, in combination with the description of the above Figures 1 to 3 The second connecting part 20 can have a fifth mounting hole (not shown in the figure). The fifth mounting hole can correspond to the third mounting hole 1221 one by one. The fifth mounting hole and the third mounting hole 1221 can be connected by a second fastener, so that the connecting piece 120 can be mounted on the volute 2, and then the motor assembly 1 can be mounted on the volute 2. In this way, it is convenient to disassemble and assemble. The second fastener can be a screw, a rivet or a bolt.

[0064] In the description of the present application, it should be understood that the orientation words such as "front", "back", "up", "down", "left", "right", "transverse", "vertical", "vertical", "horizontal" and "top", "bottom" and the like indicate the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and in the absence of the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner" and "outer" refer to the inner and outer of the contour of each part itself.

[0065] In order to facilitate the description, the area relative terms such as "on", "above", "upper surface", "upper" and the like can be used to describe the area position relationship of one or more components or features shown in the figure with other components or features. It should be understood that the area relative terms not only include the orientation of the components described in the figure, but also include different orientations in use or operation. For example, if the components in the figure are inverted as a whole, the components "above" or "on" other components or features will include the case of "below" or "under" other components or structures. Therefore, the example term "above" can include both "above" and "below". In addition, these components or features can also be positioned at other different angles (for example, rotated by 90 degrees or other angles), and all these cases are intended to be included herein.

[0066] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, components, elements, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, components, elements, and / or groups thereof.

[0067] It should be noted that the terms "first", "second", and the like, as used in the description and the claims herein are intended to modify a particular disclosed embodiment unless otherwise indicated, are used for purposes of description and are not intended to limit the claimed embodiments' scope. It should be understood that the use of the term acted on by the term "adapted to" can refer to something that is either adapted to, or is operable to, or is operative to, some other item.

[0068] The utility model has carried on the explanation through the above embodiment, but should understand, the above embodiment is only for example and the purpose of explanation, but not the intention of the utility model is limited to the range of described embodiment. In addition, those skilled in the art can understand that the utility model is not limited to the above embodiment, according to the teaching of the utility model, more kinds of variations and modifications can also be made, and these variations and modifications all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the attached claims and its equivalent scope.

Claims

1. A shock absorbing assembly characterized by, The damping component and the connecting component are connected, the damping component has a convex part, a body and a contact part, the connecting component has a receiving groove, the convex part is at least partially embedded in the receiving groove, and the convex part and the contact part are respectively located on opposite sides of the body.

2. The shock absorbing assembly of claim 1, wherein, The center line of the contact part coincides with the center line of the convex part.

3. The shock absorbing assembly of claim 1, wherein, The contact part is in a cylindrical shape.

4. The shock absorbing assembly of claim 1, wherein, The body is in a ring shape, and a plurality of convex parts and a plurality of contact parts are arranged along the circumference of the body.

5. The shock absorbing assembly of claim 1, wherein, In the installation direction, the receiving groove is large at the top and small at the bottom.

6. The shock absorbing assembly of claim 1, wherein, The receiving groove has a maximum upper bottom size L and a depth H, and the relationship between the depth H and the maximum upper bottom size L is H = 2 / 3L.

7. The shock absorbing assembly of claim 6, wherein, The depth H is 8mm-25mm.

8. The shock absorbing assembly of claim 1, wherein, A plurality of through holes are uniformly arranged on the side wall of the receiving groove.

9. The shock absorbing assembly of claim 8, wherein, The through hole is configured as a circular hole with a diameter D of 2mm-5mm; or the through hole is configured as a hexagonal honeycomb hole with a side length L1 of 2mm-4mm.

10. The shock absorbing assembly of claim 8, wherein, Adjacent two through holes have a hole spacing L2, and the hole spacing L2 is 4mm-8mm.

11. The shock absorbing assembly of claim 1, wherein, A plurality of fixing parts are outwardly extended on the outer edge of the connecting component, and the plurality of fixing parts are uniformly and spaced apart along the circumferential direction of the connecting component.

12. The shock absorbing assembly of claim 11, wherein, A plurality of receiving grooves are uniformly and spaced apart along the circumferential direction of the connecting component, and one receiving groove is arranged between adjacent two fixing parts.

13. An electric machine assembly characterized by The motor has a first connecting part, a first fastener passes through the first connecting part and the convex part, and is connected to the groove bottom wall of the receiving groove, and the connecting component is spaced apart from the first connecting part by the damping component.

14. A range hood characterized by, The volute has a second connecting part, and the second connecting part is connected to the connecting component by a second fastener.

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