CN216200093U - Vibration damper and washing equipment - Google Patents
Vibration damper and washing equipment Download PDFInfo
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- CN216200093U CN216200093U CN202121506917.0U CN202121506917U CN216200093U CN 216200093 U CN216200093 U CN 216200093U CN 202121506917 U CN202121506917 U CN 202121506917U CN 216200093 U CN216200093 U CN 216200093U
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Abstract
The utility model discloses a vibration damping device and washing equipment, wherein the vibration damping device comprises a damper; the inerter is connected with the damper; and the elastic piece is at least sleeved on the periphery of the inertial container and is used for being matched with the damper and the inertial container to improve the vibration reduction effect. The vibration damping device integrates three vibration damping structural elements, namely the damper, the inertial container and the elastic piece, so that the vibration damping effect is improved; in addition, the damper is connected with the inertial container in series, and the elastic piece is connected with the inertial container and the damper in parallel, so that the whole axial length of the vibration damper is shorter, and the stability of the vibration damper is ensured; moreover, in the process that the vibration damping device is pulled or extruded, the elastic piece, the inertial container and the damper can simultaneously play a vibration damping role, so that the vibration damping effect is further improved.
Description
Technical Field
The utility model belongs to the field of household appliances, and particularly relates to a vibration damper and washing equipment.
Background
Washing machines are cleaning appliances that wash laundry using mechanical action of electricity generation, and are classified into two categories, a household category and a collection category, according to their rated washing capacities. China has specified washing capacity below 6 kg and belongs to household washing machines: the household washing machine mainly comprises a box body, a washing dehydration barrel (some washing and dehydration barrels are separated), a transmission system, a vibration reduction system, a control system and the like. When washing and removing the heavy jeans or woollen sweater, the washing machine will lose balance due to uneven weight distribution in the drum, causing violent vibration and giving out the sound of bang, peng, etc., thus needing the washing machine suspension to reduce the vibration sense.
In a vibration damping system of a current washing machine, a vibration damping part of the pulsator washing machine is generally a suspender, parts with vibration damping effects inside the suspender are springs and dampers, and the dampers are air dampers, friction plate dampers, damping grease and the like; the vibration damping parts of the drum washing machine are generally springs and dampers, and the dampers are friction plate dampers, hydraulic oil dampers, magnetorheological dampers and the like. The damping effect of the damping component has certain limitation, the existing washing machine has steady-state vibration and low-frequency vibration, the existing damping and spring have good damping effect on high frequency, but have no great effect on low-frequency vibration, particularly low-frequency resonance.
Chinese patent application No. CN202021644094.3 discloses a novel suspension device for washing machine, which comprises a front connector, the left end of the front connector is welded with an inertial container, a ball bearing is fixedly arranged in the inertial container, the middle part of the ball bearing is movably provided with a flywheel, the flywheel is internally provided with a thread groove, the thread groove is provided with a screw rod in a threaded manner, the right end of the screw rod is fixedly arranged at the left end of the damper through a first connecting piece, a through groove is arranged in the damper, a second connecting piece is fixedly arranged at the right end of the damper, a compression spring is fixedly connected at the outer end of the right side of the second connecting piece, the right end of the compression spring is fixedly connected to the outer wall of the left end of the fixed plate, the right end of the fixed plate is welded with a rear connector, the left end of the fixing plate is fixedly connected with a mounting seat, and the left end of the mounting seat is fixedly connected with a connecting rod.
Although the suspension device in the above scheme combines the inertial container, and three structures of the damper and the spring are used for improving the vibration effect, the adopted mode of connecting the inertial container, the damper and the spring in series increases the axial length of the suspension device on the one hand, reduces the stability of the suspension device, and on the other hand, in the process of reducing the value, a force transmission process is realized, so that a certain time difference exists when the vibration reduction effect is realized between different components, and the superposition of the vibration reduction effect is not easy to realize.
The present invention has been made in view of the above technical drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a vibration damping device which is simple in structure, compact in layout and capable of improving the vibration damping effect.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a vibration damping device comprises a vibration damping device which comprises,
a damper;
the inerter is connected with the damper and is used for being matched with the damper and the elastic piece to improve the vibration reduction effect;
the elastic piece is at least sleeved on the periphery of the inertial container and can stretch and retract along the axial direction of the inertial container to provide acting force.
By adopting the scheme, the damping device integrates three damping structural elements, namely the damper, the inertial container and the elastic piece, so that the damping effect is improved; in addition, the damper is connected with the inertial container in series, and the elastic piece is connected with the inertial container and the damper in parallel, so that the whole axial length of the vibration damper is shorter, and the stability of the vibration damper is ensured; moreover, in the process that the vibration damping device is pulled or extruded, the elastic piece, the inertial container and the damper can simultaneously play a vibration damping role, so that the vibration damping effect is further improved.
Further, the inerter comprises a first fluid conduit,
a lead screw;
the rotating part is rotatably arranged on the lead screw;
the positioning shell is sleeved outside the screw rod, is connected with the rotating part and is used for positioning the rotating part;
one end of the screw rod at least penetrates through the side wall of one side of the positioning shell and can move along the axial direction of the positioning shell.
Further, the rotating portion may include,
the screw rod nut is rotationally arranged on the screw rod;
the flywheel is connected with the screw nut and is used for rotating with the screw nut along the circumferential direction of the screw;
the inner ring body is connected with the screw nut, and the outer ring body is connected with the positioning shell and used for positioning the screw nut and the flywheel in the axial direction;
the flywheel is arranged on one side, far away from the positioning shell, of the lead screw nut.
By adopting the scheme, the inertial container converts the linear motion of the screw into the rotary motion of the screw nut, the screw nut drives the flywheel to rotate to store energy, the energy of low-frequency vibration is well absorbed, the vibration damping effect is greatly improved, and the problems of large vibration and resonance are solved to a certain extent; in addition, the lead screw nut is connected and matched with the flywheel, so that the rotating effect of the flywheel is improved, the friction force of the flywheel during rotation is reduced, and the service life of the flywheel is prolonged; in addition, the screw nut is arranged on the positioning shell through the bearing, and the positioning shell can play a role in positioning and installing the screw nut and can provide a movement space for the screw.
Further, one end of the damper is connected with the side wall of the other side of the positioning shell;
one end of the lead screw penetrates through the side wall of the other side of the positioning shell, is connected with the damper and is used for moving relative to the damper to increase friction so as to reduce vibration.
Further, the damper includes a damper body having a first end and a second end,
one end of the screw rod is inserted into the housing and can move along the axial direction of the housing;
and the damping part is arranged in the housing and is used for contacting with the lead screw to generate relative motion so as to increase friction and reduce vibration.
Further, the damping portion may include,
one end of the lead screw penetrates through the shaft sleeve;
and the damping sheet is arranged on the inner circumferential surface of the shaft sleeve and is used for contacting the outer circumference of the lead screw to generate relative movement so as to increase friction.
By adopting the scheme, when the screw rod is stretched or compressed, the piston moves along the axial directions of the housing and the positioning shell, contacts with the damping part and moves relatively, and the aim of weakening the vibration reduction effect is achieved by utilizing the generated friction force.
Further, the method also comprises the following steps of,
the first limiting part is arranged on the lead screw and is positioned on one side of the positioning shell;
and the second limiting part is positioned on the other side of the positioning shell and is used for being matched with the first limiting part to limit the elastic part.
Through adopting above-mentioned scheme, give the elastic component in order to realize the space of elasticity effect, be convenient for the compression and/or the tensile of elastic component to improve the cushioning effect, weaken the vibration.
Further, the method also comprises the following steps of,
the first connecting piece is arranged at one end, far away from the inertial container, of the damper and is used for being connected with equipment to be installed;
and the second connecting piece is arranged at one end of the screw rod, which is far away from the damper, and is used for being connected with equipment to be installed.
By adopting the scheme, the connecting pieces are arranged at the two ends of the vibration damper, so that the vibration damper can be conveniently arranged on equipment to be arranged, the axial stretching or compression of the vibration damper is realized, and the vibration damping effect of the damper, the inertial container and the elastic piece is exerted.
Another object of the present invention is to provide a washing apparatus having the above vibration damping device.
Further, the method comprises the steps of,
a box body;
the first matching piece is arranged in the box body and is used for being connected with one end of the vibration damper in a matching mode;
the outer cylinder is arranged in the box body and used for storing water;
and the second matching piece is arranged outside the outer barrel and is used for being matched and connected with the other end of the vibration damper.
By adopting the scheme, the vibration damping device provided with the inertial container is arranged on the washing equipment, and has good damping effect on high-frequency vibration and low-frequency vibration of the washing equipment, so that the problems of large starting vibration and resonance of the washing equipment can be solved, and the vibration damping effect of a suspension system of the washing equipment is improved on the whole.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects.
1. The vibration damping device integrates three vibration damping structural elements, namely the damper, the inertial container and the elastic piece, so that the vibration damping effect is improved; in addition, the damper is connected with the inertial container in series, and the elastic piece is connected with the inertial container and the damper in parallel, so that the whole axial length of the vibration damper is shorter, and the stability of the vibration damper is ensured; moreover, in the process that the vibration damping device is pulled or extruded, the elastic piece, the inertial container and the damper can simultaneously play a vibration damping role, so that the vibration damping effect is further improved.
2. The inertia container converts linear motion of a lead screw into rotary motion of a lead screw nut, the lead screw nut drives a flywheel to rotate for storing energy, the energy of low-frequency vibration is well absorbed, the vibration reduction effect is greatly improved, and the problems of large vibration and resonance are solved to a certain extent; in addition, the screw nut is connected and matched with the flywheel, so that the rotating effect of the flywheel is improved, the friction force of the flywheel during rotation is reduced, and the service life of the flywheel is prolonged.
3. When the screw rod is stretched or compressed, the piston moves along the axial direction of the housing and the positioning shell, the flywheel and the screw rod move relatively while playing a buffering role, the screw rod is contacted with the damping part and moves relatively, and the vibration damping effect is further improved by utilizing the generated friction force.
4. The vibration damping device provided with the inertial container is arranged on the washing equipment, so that the high-frequency vibration and the low-frequency vibration of the washing equipment are well weakened, the problems of large starting vibration and resonance of the washing equipment can be solved, and the vibration damping effect of a suspension system of the washing equipment is improved on the whole.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of the construction of the damping device of the present invention;
fig. 2 is a schematic sectional view of the vibration damping device of the present invention.
In the figure: 1. a damper; 11. a housing; 12. a damping part; 121. a shaft sleeve; 122. a damping fin; 2. an inerter; 21. a lead screw; 22. a lead screw nut; 23. a flywheel; 24. a positioning shell; 25. a bearing; 3. an elastic member; 41. a first limiting part; 42. a second limiting part; 51. a first connecting member; 52. a second connecting member.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, a vibration damping device of the present invention includes a damper 1; the inerter 2 is connected with the damper 1 and is used for being matched with the damper 1 and the elastic piece 3 to improve the vibration reduction effect; the elastic part 3 is at least sleeved on the periphery of the inertial container 2 and can stretch and retract along the axial direction of the inertial container 2 to provide acting force.
The elastic piece 3 is sleeved on the periphery of the inertial container 2 or sleeved on the peripheries of the inertial container 2 and the damper 1.
The inerter 2 can be a gear and rack type inerter, a torsion type inerter, a hydraulic type inerter and the like.
The damping device integrates three damping structural elements, namely the damper 1, the inertial container 2 and the elastic piece 3, so that the damping effect is improved; in addition, the damper 1 is connected with the inertial container 2 in series, and the elastic part 3 is connected with the inertial container 2 and the damper 1 in parallel, so that the whole axial length of the vibration damper is shorter, and the stability of the vibration damper is ensured; moreover, in the process that the vibration damping device is pulled or extruded, the elastic piece 3, the inertial container 2 and the damper 1 can simultaneously play a vibration damping role, so that the vibration damping effect is further improved.
Further, the inerter 2 is a screw rod type inerter.
As shown in fig. 2, the inerter 2 comprises a lead screw 21; a rotating part rotatably provided on the lead screw 21; the positioning shell 24 is sleeved outside the screw rod 21, is connected with the rotating part and is used for positioning the rotating part; one end of the screw 21 penetrates at least one side wall of the positioning shell 24 and can move along the axial direction of the positioning shell 24. The screw 21 is rotationally connected with the rotating part, so that the linear motion of the screw 21 is converted into the circumferential rotation of the rotating part, energy is stored, and the vibration reduction effect is greatly improved.
The outer diameter of the rotating part is smaller than the inner diameter of the positioning shell 24, and the rotating part is arranged inside the positioning shell 24; or the rotating part is partially arranged inside the positioning shell 24; or the rotating part is arranged outside the positioning shell 24 and is installed on the side wall of the positioning shell 24.
As shown in fig. 2, the rotating part includes a screw nut 22 rotatably provided on the screw 21; the flywheel 23 is connected with the lead screw nut 22 and used for rotating with the lead screw nut 22 along the circumferential direction of the lead screw 21; the bearing 25 is connected with the inner ring body and the outer ring body of the screw nut 22 and the positioning shell 24, and is used for positioning the screw nut 22 and the flywheel 23 in the axial direction; preferably, the flywheel 23 is arranged on the side of the spindle nut 22 remote from the positioning housing 24.
The positioning shell 24 is in a sleeve shape, the bearing 25 is sleeved on the screw rod 21, the outer ring body is arranged on the side wall of one side of the positioning shell 24, as an embodiment, the outer ring body of the bearing 25 is in screw connection with the positioning shell 24, and the outer ring body of the bearing 25 is fixed on the side wall of one side of the positioning shell 24 through screws.
The spindle nut 22 is arranged on the side of the bearing 25 remote from the positioning shell 24, outside the positioning shell 24. The flywheel 23 is arranged on one side of the screw nut 22 far away from the positioning shell 24, one end of the screw 21 penetrates through the screw nut 22, and the flywheel 23 and the bearing 25 are inserted into the positioning shell 24. The screw nut 22 is provided with a thread matched with the screw 21.
A gasket is arranged between the lead screw nut 22 and the side wall of the positioning shell 24, so that the lead screw nut 22 is prevented from being in contact with the positioning shell 24 to generate friction in the rotating process, and the lead screw nut 22 is prevented from rotating.
According to the inerter 2, the linear motion of the lead screw 21 is converted into the rotary motion of the lead screw nut 22, the lead screw nut 22 drives the flywheel 23 to rotate, energy storage is performed, the energy of low-frequency vibration is well absorbed, the vibration reduction effect is greatly improved, and the problems of large vibration and resonance are solved to a certain extent; in addition, the inner ring body of the screw nut 22 is connected and matched with the flywheel 23, so that the rotating effect of the flywheel 23 is improved, the friction force of the flywheel 23 during rotation is reduced, and the service life of the flywheel 23 is prolonged. The positioning shell 24 can play a role in positioning and mounting the lead screw nut 22, and can provide a movement space for the lead screw 21.
As shown in fig. 1 and 2, one end of the damper 1 is connected to the side wall of the other side of the positioning shell 24; one end of the screw 21 penetrates through the side wall of the other side of the positioning shell 24, is connected with the damper 1, and is used for increasing friction to reduce vibration when moving relative to the damper 1.
As shown in fig. 2, the damper 1 includes a housing 11, one end of which is connected to the other side wall of the positioning shell 24, and one end of the lead screw 21 is inserted into the housing 11 and can move along the axial direction of the housing 11; and a damping part 12 arranged inside the housing 11 and used for contacting with the screw 21 to generate relative movement so as to increase friction and reduce vibration.
The damping portion 12 is disposed on a side of the housing 11 close to the positioning shell 24, so as to be in contact with the lead screw 21.
The damping part 12 comprises a shaft sleeve 121, and one end of the lead screw 21 penetrates through the shaft sleeve 121; and a damper 122 disposed on an inner circumferential surface of the sleeve 121 and contacting an outer circumference of the screw shaft 21 to generate a relative movement to increase friction.
The distance between one end of the inner cavity of the shaft sleeve 121, which is far away from the positioning shell 24, and the diameter of one end, which is inserted into the shaft sleeve 121, of the lead screw 21 is not less than the maximum moving distance of the lead screw 21, so that the free extension and contraction of the lead screw 21 are met, and the lead screw 21 is prevented from being abutted against the inner wall of the shaft sleeve 121 in the extension and contraction process to influence the free extension and contraction of the lead screw 21.
The axial length of the portion of the lead screw 21 penetrating the bushing 121 is longer than the maximum moving distance of the lead screw 21, and the lead screw 21 is prevented from being separated from the bushing 121.
The inner diameter and the outer diameter of the housing 11 are respectively smaller than those of the positioning shell 24, one end of the housing 11 connected with the positioning shell 24 extends outwards along the peripheral wall to be flush with the outer wall of the positioning shell 24, and is connected with the positioning shell 24 and fixedly connected with the positioning shell 24 through a connecting piece.
The damping part 12 of the present invention makes the piston motion along the axial direction of the housing 11 and the positioning shell 24 when the screw 21 is stretched or compressed, and contacts and moves relative to the damping part 12, and the purpose of weakening the vibration damping effect is achieved by the generated friction force.
The damping device further comprises a first limiting part 41 which is arranged on the lead screw 21 and is positioned on one side of the positioning shell 24; and the second limiting part 42 is positioned on the other side of the positioning shell 24 and is used for limiting the elastic part 3 by matching with the first limiting part 41. The first limiting portion 41 is fixed relative to the screw 21.
As an embodiment, the elastic member 3 is a spring.
The second limiting part 42 is arranged on the damper 1, or on one side of the damper 1 far away from the positioning shell 24, and the elastic part 3 is sleeved on the peripheries of the damper 1 and the inertial container 2; or the second limiting part 42 is arranged on the positioning shell 24 or between the positioning shell 24 and the damper 1, and the elastic part 3 is only sleeved on the periphery of the inerter 2. The second position-limiting portion 42 is fixed relative to the damper 1 and the positioning shell 24.
A gap is formed between the first limiting part 41 and the flywheel 23 and the lead screw nut 22, so that a space is reserved for the extension and/or the contraction of the elastic part 3, and the axial movement of the lead screw 21 is realized.
In one embodiment, the sidewall of the other side of the positioning shell 24 extends radially outward to form the second position-limiting portion 42.
The free length of the elastic part 3 is greater than the maximum distance between the two limiting parts, the elastic part 3 is always in a compressed state, and two ends of the elastic part 3 are respectively connected with or abutted against the two limiting parts; or the free length of the elastic part 3 is not more than the maximum distance between the two limiting parts, and the two ends of the elastic part 3 are respectively connected with the two limiting parts.
The damping device further comprises a first connecting piece 51, wherein the first connecting piece is arranged at one end, far away from the inertial container 2, of the damper 1 and is used for being connected with equipment to be installed; and the second connecting piece 52 is arranged at one end of the screw rod 21 far away from the damper 1 and is used for connecting with equipment to be installed.
The first connector 51 is disposed on an end wall of the end of the housing 11 remote from the positioning shell 24, and is in a connecting ring structure.
The second connecting member 52 is disposed at one end of the screw 21 close to the first position-limiting portion 41, and is rotatably connected to the screw 21, and the second connecting member 52 is a connecting ring structure.
Two connecting pieces are arranged at two ends of the vibration damping device, so that the vibration damping device can be conveniently arranged on equipment to be arranged, the axial stretching or compression of the vibration damping device is realized, and the vibration damping effect of the damper 1, the inertial container 2 and the elastic piece 3 is exerted.
Another object of the present invention is to provide a washing apparatus having the above vibration damping device.
The washing equipment comprises a box body; the first matching piece is arranged in the box body and is used for being connected with one end of the vibration damper in a matching mode; the outer cylinder is arranged in the box body and used for storing water; and the second matching piece is arranged outside the outer barrel and is used for being matched and connected with the other end of the vibration damper.
The first matching piece is used for being matched and connected with the first connecting piece 51, the second matching piece is used for being matched and connected with the second connecting piece 52, the outer cylinder is hung in the box body, and the vibration damping device is also a hanging system of the washing equipment.
The working principle is as follows: when the washing equipment vibrates, the second connecting piece 52 drives the screw rod 21 to do linear motion, and the screw rod nut 22 rotates relative to the screw rod 21, so that the flywheel 23 is driven to do rotary motion, energy is stored, and the vibration of the washing equipment is reduced. When the screw 21 moves in a straight line, the elastic member 3 is compressed and the damping fin 122 is rubbed, both of which perform a damping function.
When the washing equipment vibrates at low frequency, the screw nut 22 and the screw 21 rotate relatively to drive the flywheel 23 to rotate, so that energy is stored, and the function of low-frequency vibration reduction is achieved; when the washing equipment vibrates at high frequency, the screw nut 22 and the screw 21 do not have time to move mutually due to too fast vibration, so that the inertia container 2 does not play a role in high-frequency vibration, and the elastic part 3 plays a role in inhibiting vibration at high frequency, so that the vibration damping device has vibration damping effect from low-frequency and high-frequency ranges.
The components of the vibration damper are arranged according to the following steps: establishing a mathematical model of a series-parallel connection vibration reduction system by the inerter, the damper and the elastic piece, analyzing the stability of respective transfer functions, and obtaining a series-parallel connection relation which enables the system to vibrate most stably and is suitable for a rotor system; analyzing the state and weight of the washing equipment system, and performing amplitude-frequency analysis by using the obtained vibration reduction system to obtain the relation among the inertial volume coefficient, the damping coefficient, the rigidity of the elastic part, the weight of the suspension system and the stress of the suspension system; selecting a type of washing equipment to obtain value ranges of the inertial volume coefficient, the damping coefficient and the rigidity of the elastic piece; determining specific values of an inertial volume coefficient, a damping coefficient and the rigidity of the elastic part according to actual conditions and requirements; obtaining a numerical value related to the internal structure size of the inerter according to the inerter coefficient; determining the selection of the damper and the magnitude of the damping force according to the damping coefficient; determining the size of the elastic part according to the rigidity of the elastic part; and carrying out structural design according to the actual installation position and size.
The vibration damping device provided with the inertial container 2 is arranged on the washing equipment, and has good damping effect on high-frequency vibration and low-frequency vibration of the washing equipment, so that the problems of large starting vibration and resonance of the washing equipment can be solved, and the vibration damping effect of a suspension system of the washing equipment is improved on the whole.
The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the equivalent embodiments by using the technical contents disclosed above without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (10)
1. A vibration damping device, comprising,
a damper;
the inerter is connected with the damper and is used for being matched with the damper and the elastic piece to improve the vibration reduction effect;
the elastic piece is at least sleeved on the periphery of the inertial container and can stretch and retract along the axial direction of the inertial container to provide acting force.
2. The vibration damping device of claim 1, wherein the inerter comprises,
a lead screw;
the rotating part is rotatably arranged on the lead screw;
the positioning shell is sleeved outside the screw rod, is connected with the rotating part and is used for positioning the rotating part;
one end of the screw rod at least penetrates through the side wall of one side of the positioning shell and can move along the axial direction of the positioning shell.
3. The vibration damping device according to claim 2, wherein the rotating portion includes,
the screw rod nut is rotationally arranged on the screw rod;
the flywheel is connected with the screw nut and is used for rotating with the screw nut along the circumferential direction of the screw;
the inner ring body is connected with the screw nut, and the outer ring body is connected with the positioning shell and used for positioning the screw nut and the flywheel in the axial direction;
the flywheel is arranged on one side, far away from the positioning shell, of the lead screw nut.
4. A vibration damping device according to claim 2 or 3, wherein one end of said damper is connected to a side wall of the other side of said positioning housing;
one end of the lead screw penetrates through the side wall of the other side of the positioning shell, is connected with the damper and is used for moving relative to the damper to increase friction so as to reduce vibration.
5. A vibration damping device according to claim 4, wherein said damper comprises,
one end of the screw rod is inserted into the housing and can move along the axial direction of the housing;
and the damping part is arranged in the housing and is used for contacting with the lead screw to generate relative motion so as to increase friction and reduce vibration.
6. A vibration damping device according to claim 5, wherein said damping portion comprises,
one end of the lead screw penetrates through the shaft sleeve;
and the damping sheet is arranged on the inner circumferential surface of the shaft sleeve and is used for contacting the outer circumference of the lead screw to generate relative movement so as to increase friction.
7. The vibration damping device according to claim 2, further comprising,
the first limiting part is arranged on the lead screw and is positioned on one side of the positioning shell;
and the second limiting part is positioned on the other side of the positioning shell and is used for being matched with the first limiting part to limit the elastic part.
8. The vibration damping device according to claim 2, further comprising,
the first connecting piece is arranged at one end, far away from the inertial container, of the damper and is used for being connected with equipment to be installed;
and the second connecting piece is arranged at one end of the screw rod, which is far away from the damper, and is used for being connected with equipment to be installed.
9. A washing appliance, characterized by a vibration damping device as claimed in any one of claims 1 to 8.
10. A washing apparatus according to claim 9, comprising,
a box body;
the first matching piece is arranged in the box body and is used for being connected with one end of the vibration damper in a matching mode;
the outer cylinder is arranged in the box body and used for storing water;
and the second matching piece is arranged outside the outer barrel and is used for being matched and connected with the other end of the vibration damper.
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| CN202121506917.0U CN216200093U (en) | 2021-07-01 | 2021-07-01 | Vibration damper and washing equipment |
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| CN202121506917.0U CN216200093U (en) | 2021-07-01 | 2021-07-01 | Vibration damper and washing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917839A (en) * | 2017-04-18 | 2017-07-04 | 沈阳工程学院 | The mechanical damper of nuclear power |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917839A (en) * | 2017-04-18 | 2017-07-04 | 沈阳工程学院 | The mechanical damper of nuclear power |
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