CN210889870U - Shock pad, motor and dust catcher - Google Patents
Shock pad, motor and dust catcher Download PDFInfo
- Publication number
- CN210889870U CN210889870U CN201920921683.2U CN201920921683U CN210889870U CN 210889870 U CN210889870 U CN 210889870U CN 201920921683 U CN201920921683 U CN 201920921683U CN 210889870 U CN210889870 U CN 210889870U
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- damping ring
- ring
- motor
- shock
- shock pad
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- 230000035939 shock Effects 0.000 title claims abstract description 47
- 239000000428 dust Substances 0.000 title abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 72
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The utility model provides a shock pad, motor and dust catcher. The shock pad includes the damping ring, be provided with flexible supporting part on the lateral wall of damping ring and/or the inside wall. Because the utility model provides a shock pad includes damping ring and flexible supporting part, during the in-service use, establishes the damping ring cover in needs absorbing structure, for example on motor housing, through the effect that sets up at the inside wall of damping ring and/or the flexible supporting part on the lateral wall, can further reduce the support rigidity of shock pad, realize the flexible support to motor isotructure, improved the shock insulation effect of shock pad, and then reach the purpose that weakens the vibrations of motor isotructure.
Description
Technical Field
The utility model relates to a dust extraction technical field particularly, relates to a shock pad, motor and dust catcher.
Background
The vacuum cleaner utilizes the airflow generated by the vacuum motor to absorb and remove particles such as dust, and in the performance parameters of the vacuum cleaner, noise is a very important parameter index for measuring the vacuum cleaner and is also a factor which most directly influences the use experience of consumers. The vacuum motor is used as a noise source, and the vibration absorption and the noise reduction of the vacuum motor have great significance for reducing the noise of the dust scrubber.
The prior art discloses a shock absorption assembly of a dust collector motor, which is characterized in that a shock absorption seat is arranged at the bottom of the motor, and a spring support is arranged on a motor shell to absorb shock and reduce noise.
Still disclose a motor with shock-absorbing structure among the prior art, through being equipped with damper between the edge at motor stator and motor casing, be connected fixedly by damper between stator and the motor casing, however to vacuum motor for the dust catcher, generally, the impeller and the shell clearance of dust catcher are very little, and this clearance is used for reducing the headspace backward flow of impeller, and in this kind of structure, rocking of stator probably causes the impeller striking motor casing, causes the impeller to damage.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a vibration-damping pad, a motor and a vacuum cleaner, which can solve the problem of large vibration noise of the motor of the vacuum cleaner in the prior art.
In order to achieve the above object, according to the utility model discloses an aspect provides a shock pad, including the damping ring, be provided with flexible supporting part on the lateral wall of damping ring and/or the inside wall.
Furthermore, the flexible supporting part comprises a plurality of supporting ribs, and one end, far away from the damping ring, of each supporting rib is encircled to form a circle.
Further, the circle is concentrically arranged with the damping ring.
Furthermore, the end face, far away from the damping ring, of the support rib is an arc surface or a plane.
Furthermore, the support rib extends along the axis direction of the damping ring, and an included angle between the protruding direction of the support rib on the outer side wall of the damping ring and the radial extension line of the damping ring is an acute angle or an obtuse angle.
Furthermore, two adjacent support ribs are symmetrical about the vertical plane of the two adjacent support ribs, the vertical plane is a plane passing through the middle points of the two adjacent support ribs and perpendicular to the tangent line of the damping ring passing through the middle points, and the middle points are points on the side wall of the damping ring.
Furthermore, the damping ring and the flexible supporting part are made of rubber materials.
Further, the flexible supporting part is arranged on the outer side wall of the damping ring, and the inner diameter of the damping ring is smaller than the outer diameter of the structure to be damped by a preset value.
Further, the damping ring and the flexible supporting part are integrally formed.
According to the utility model discloses an on the other hand provides a motor, including shell and shock pad, the shock pad covers and establishes on the shell, the shock pad is foretell shock pad.
According to another aspect of the present invention, there is provided a dust collector, including a motor, the motor is the above-mentioned motor.
Use the technical scheme of the utility model, because the utility model provides a shock pad includes damping ring and flexible supporting part, during the in-service use, establishes the damping ring cover in needs absorbing structure, for example on motor housing, through the effect of setting up at the inside wall of damping ring and/or the flexible supporting part on the lateral wall, can further reduce the support rigidity of shock pad, realizes the flexible support to motor isotructure, has improved the shock insulation effect of shock pad, and then reaches the purpose that weakens the vibrations of motor isotructure.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 schematically shows a perspective view of the shock pad of the present invention.
Wherein the figures include the following reference numerals:
10. a damping ring; 20. and (4) supporting ribs.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 1, according to an embodiment of the present invention, a shock pad is provided, the shock pad in this embodiment includes a shock absorbing ring 10, and a flexible supporting portion is disposed on an outer side wall and/or an inner side wall of the shock absorbing ring 10.
Because the shock pad in this embodiment includes damping ring 10 and flexible supporting part, during the in-service use, establish damping ring 10 cover needs absorbing structure, for example on motor housing, through setting up at the inside wall of damping ring 10 and/or the effect of the flexible supporting part on the outside wall, can further reduce the support rigidity of shock pad, realize the flexible support to structures such as motor, improved the shock insulation effect of shock pad, and then reach the purpose of weakening the vibrations of structures such as motor.
The flexible supporting portion in this embodiment includes a plurality of supporting ribs 20, and one end of the supporting ribs 20 away from the damper ring 10 is enclosed to form a circle. Preferably, the circle and the damping ring 10 are arranged concentrically, so that the vibration isolation consistency of the damping pad in the circumferential direction can be ensured, and the damping effect of the damping pad in the embodiment is improved.
Preferably, in a preferred embodiment of the present invention, the end surface of the support rib 20 away from the damping ring 10 is a circular arc surface, and of course, in other embodiments of the present invention, the end surface of the support rib 20 away from the damping ring 10 can also be a plane. Specifically, the installation space of the structure needing damping such as a motor is a circular cavity, and the end face of the support rib 20 far away from the damping ring 10 is selected to be a structure with an arc surface, so that the damping pad can be conveniently installed in the circular cavity. Of course, if the installation space of the structure needing damping, such as the motor, is a polygonal cavity, a damping pad with a plane end face of the supporting rib 20 away from the damping ring 10 can be selected.
Referring to fig. 1 again, the support ribs 20 in this embodiment extend along the axial direction of the damping ring 10, preferably, the upper and lower end surfaces of the support ribs 20 are flush with the upper and lower end surfaces of the damping ring 10, the appearance is perfect, and the support and vibration isolation effect is stable and reliable. The included angle between the protruding direction of support rib 20 on the lateral wall of damper ring 10 and the radial extension line of damper ring 10 is acute angle or obtuse angle, avoids support rib 20 dead fixedly in the cavity that is used for installing structures such as motor card, appears not having the flexibility phenomenon. In this embodiment, the included angle between the protruding direction of the support rib 20 on the outer side wall of the damping ring 10 and the radial extension line of the damping ring 10 is an acute angle or an obtuse angle, and when the structure such as a motor vibrates, the support rib 20 is easy to deflect and plays a good role in shock insulation. In the present embodiment, the radial extension line is a radial extension line passing through the root portion of the corresponding support rib 20, i.e., the connection portion with the damper ring 10.
Preferably, the number of the support ribs 20 in this embodiment is plural, and two adjacent support ribs 20 are symmetrical with respect to a median vertical plane of the two adjacent support ribs 20, where the median vertical plane is a plane passing through a midpoint of the two adjacent support ribs 20 and perpendicular to a tangent line passing through the midpoint of the damper ring 10, where the midpoint is a point located on a side wall surface of the damper ring 10. In this kind of structure, the incline direction of two adjacent support ribs 20 is just opposite, can prevent the shock pad to take place to appear towards the condition of one side skew, can further improve the shock attenuation effect of shock pad.
Further, the damping ring 10 and the support ribs 20 in this embodiment are made of rubber materials, so that the structure is simple and the damping effect is good.
During actual machining, the damping ring 10 and the support ribs 20 in the embodiment are integrally formed, so that the service life and the stability of the damping pad in the embodiment can be effectively prolonged. Of course, in other embodiments of the present invention, a slot may be further disposed on the damping ring 10, a protrusion may be disposed on the supporting rib 20, and the damping ring 10 and the supporting rib 20 are connected together through the protrusion and the groove, which is not as high as the stability of the integral forming structure.
The utility model discloses an in a preferred implementation, will support rib 20 and set up on the lateral wall of damping ring 10, and do not set up support rib 20 on the inside wall of damping ring 10, at this moment, damping ring 10's internal diameter is than the little predetermined value of the external diameter of treating absorbing structure, is convenient for fix damping ring 10 on treating absorbing structure with interference fit's mode steadily, and stable in structure is reliable.
According to the utility model discloses an on the other hand provides a motor, and this motor includes shell and shock pad, and the shock pad covers to establish on the shell, and the shock pad is the shock pad in above-mentioned embodiment.
According to the utility model discloses a further aspect provides a dust remover, and this dust remover includes the motor, and this motor is the motor in the above-mentioned embodiment.
As shown in fig. 1, the damping ring 10 of the damping pad in this embodiment is used to wrap the damping pad outside the motor, and generally, the inner ring of the damping ring 10 of the damping pad is designed to be smaller than the size of the motor casing, so that the damping pad can be attached to the motor casing under the action of rubber elasticity. The outer side wall of the damping ring 10 is uniformly distributed with a plurality of supporting ribs 20, the supporting ribs 20 are not superposed with the radial direction of the damping ring 10, namely not superposed with the peripheral normal direction of the damping washer, and the outer edges of the supporting ribs 20 jointly form a circular supporting surface for fixing the motor in a motor chamber for installing the motor in the dust collector. To the motor vibration isolation, the natural frequency of vibration isolation system and the motor difference of frequently changing the frequency then the vibration isolation effect is better, and is preferred, and the natural frequency of vibration isolation system is less than the 1/4 that the motor changes frequently, and the rigidity that reduces vibration isolation system is showing to the natural frequency effect that reduces vibration isolation system, based on this, the utility model provides a support rib 20 of the slope of shock pad setting prolongs the length of vibration transmission component between motor and motor cavity on the one hand, increases the transmission loss of vibration, and on the other hand, the support rib 20 of slope makes vibration isolation system change and produces the deformation, and also the vibration isolation system has lower natural frequency to improve the vibration isolation effect.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the utility model discloses a support rib that the support part to the shock pad of motor adopted the slope of a plurality of further reduces the support rigidity of shock pad on the elastic basis of damping ring itself, realizes the flexible support of motor, improves the vibration isolation effect.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The shock pad is characterized by comprising a shock absorbing ring (10), wherein a flexible supporting part is arranged on the outer side wall and/or the inner side wall of the shock absorbing ring (10); the flexible supporting part comprises a plurality of supporting ribs (20), and one end, far away from the damping ring (10), of each supporting rib (20) is encircled to form a circle; the supporting ribs (20) extend along the axis direction of the damping ring (10), and the included angle between the protruding direction of the supporting ribs (20) on the outer side wall of the damping ring (10) and the radial extension line of the damping ring (10) is an acute angle or an obtuse angle.
2. A shock-absorbing pad according to claim 1, characterized in that said circle is arranged concentrically with said shock-absorbing ring (10).
3. The cushion according to claim 1, wherein the end faces of the support ribs (20) facing away from the damping ring (10) are circular or flat.
4. The cushion according to claim 1, wherein two adjacent support ribs (20) are symmetrical about a vertical mid-plane through the two adjacent support ribs (20), said vertical mid-plane being a plane through the middle point of the two adjacent support ribs (20) and perpendicular to a tangent to the cushion ring (10) through said middle point, said middle point being a point located on the side wall of the cushion ring (10).
5. A cushion according to any one of claims 1 to 4, wherein the damping ring (10) and the flexible support are made of rubber material.
6. The cushion according to any one of claims 1 to 4, wherein the flexible support is provided on an outer side wall of the damping ring (10), the damping ring (10) having an inner diameter smaller by a predetermined value than an outer diameter of the structure to be damped.
7. A cushion according to any one of claims 1 to 4, wherein the damping ring (10) is provided integrally with the flexible support.
8. An electrical machine comprising a housing and a shock pad, wherein the shock pad is sheathed on the housing, and the shock pad is as claimed in any one of claims 1 to 7.
9. A vacuum cleaner comprising an electric motor, characterized in that the electric motor is an electric motor as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921683.2U CN210889870U (en) | 2019-06-18 | 2019-06-18 | Shock pad, motor and dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921683.2U CN210889870U (en) | 2019-06-18 | 2019-06-18 | Shock pad, motor and dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210889870U true CN210889870U (en) | 2020-06-30 |
Family
ID=71311703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920921683.2U Active CN210889870U (en) | 2019-06-18 | 2019-06-18 | Shock pad, motor and dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210889870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185729A (en) * | 2019-06-18 | 2019-08-30 | 珠海格力电器股份有限公司 | Shock pad, motor and dust catcher |
| CN112494306A (en) * | 2020-11-18 | 2021-03-16 | 东莞市轻活科技有限公司 | Shock-resistant and wear-resistant massage gun |
-
2019
- 2019-06-18 CN CN201920921683.2U patent/CN210889870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185729A (en) * | 2019-06-18 | 2019-08-30 | 珠海格力电器股份有限公司 | Shock pad, motor and dust catcher |
| CN112494306A (en) * | 2020-11-18 | 2021-03-16 | 东莞市轻活科技有限公司 | Shock-resistant and wear-resistant massage gun |
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