CN112747062B - Damping device and washing machine provided with same - Google Patents
Damping device and washing machine provided with same Download PDFInfo
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- CN112747062B CN112747062B CN201911052467.XA CN201911052467A CN112747062B CN 112747062 B CN112747062 B CN 112747062B CN 201911052467 A CN201911052467 A CN 201911052467A CN 112747062 B CN112747062 B CN 112747062B
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- shell
- supporting part
- adjusting
- supporting
- damping device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/14—Torsion springs consisting of bars or tubes
- F16F1/145—Torsion springs consisting of bars or tubes with means for modifying the spring characteristics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a damping device and a washing machine provided with the damping device, comprising a shell; a connection part at least partially arranged in the shell; a support part at least partially disposed inside the housing; an elastic part arranged between the connecting part and the supporting part; the adjusting part is connected with the shell and used for driving the supporting part to move and adjusting the distance between the connecting part and the supporting part; the shell extends from one end to the other end, openings are formed in the two ends, and a cavity is formed in the shell. According to the damping device, the adjusting part capable of adjusting the distance between the supporting part and the connecting part is arranged on one side of the supporting part, so that the spring in the damper is compressed, the moment required by the stroke of the deformation of the spring is changed, the effect of adjustable moment is achieved, meanwhile, the universality of the damper is improved due to the fact that the moment is adjustable, the adjustment at any time can be achieved according to the requirement on damping in use, and the added value of the torque of the spring can be converted.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a damping device and a washing machine provided with the damping device.
Background
At present, the damping moment of most washing machine upper cover dampers is fixed, the dampers can only be installed on one washing machine upper cover, when the dampers are installed on other washing machine upper covers, the upper cover can not reach the requirement due to different weights of the upper covers, the damping elastic force can be reduced after long-time use, and the damping effect becomes worse and worse along with the use time.
Chinese patent application number CN201910759484.0 discloses a novel damper comprising: the fixing seat is provided with a mounting hole which penetrates through the lower end face of the fixing seat downwards along the upper end face of the fixing seat, and the lower end of the mounting hole is provided with a rear cover; the force reversing structure is used for converting the rotation moment into the linear moment and comprises an axial cam which is installed in the installation hole in an axially guiding manner and a rotating shaft which is installed in a matched manner with the axial cam, and the upper end of the rotating shaft extends out of the upper end of the fixed seat so as to be connected with the rotating body; the lower end of the rotating shaft is provided with a spiral convex tooth, and the spiral convex tooth is matched with a spiral tooth slot at the upper end of the axial cam; the linear damper module comprises a linear damper arranged in the mounting hole and a compression spring sleeved on the periphery of the linear damper, wherein the upper end and the lower end of the linear damper are respectively contacted with the lower end face of the axial cam and the upper end face of the rear cover, and the upper end and the lower end of the compression spring are respectively contacted with the lower end face of the axial cam and the upper end face of the rear cover.
Although the above prior art proposes a structure related to a damper and realizes a reverse damping that can effectively alleviate when a rotor (such as a flip) is opened, making the opening more labor-saving, it cannot solve the problem that as the usage time goes on, the spring elasticity decreases, resulting in a decrease in damping force, resulting in a decrease in damping effect of the damper.
The present invention has been made in view of this.
Disclosure of Invention
The present invention solves the above-mentioned problems, and provides a damping device which overcomes or at least partially solves the above-mentioned problems.
Another object of the present invention is to provide a washing machine mounted with the damping device.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: a damping device comprises
A housing;
a connection part at least partially arranged in the shell;
a support part at least partially disposed inside the housing;
an elastic part arranged between the connecting part and the supporting part;
and the adjusting part is connected with the shell and used for driving the supporting part to move and adjusting the distance between the connecting part and the supporting part.
Wherein the shell extends from one end to the other end, openings are formed at the two ends, and a cavity is formed in the shell;
the adjusting part at least partially penetrates through the peripheral wall of the shell, stretches into the cavity of the shell, and is matched with the supporting part in the cavity to adjust the position of the supporting part between the two openings.
Further, the connecting portion is at least partially mounted in an opening at one end of the housing;
the connecting part is arranged around the central shaft of the shell and is in relative rotation with the shell.
Further, one end of the elastic part is connected with the connecting part;
the other end of the elasticity is connected with the supporting part;
in one embodiment, the elastic portion is a torsion spring.
In addition, the device also comprises a guide structure which is arranged at the matching position of the shell and the supporting part and is used for guiding the supporting part to move between the two openings of the shell along a fixed path;
in one embodiment, the guiding structure and the adjusting part are arranged around the rotation direction of the central shaft of the shell and are both arranged at the matching position of the shell and the supporting part, so that the supporting part can stably move in the shell, the adjusting part drives the supporting part to move in the shell, the guiding structure plays a role in guiding and plays a supporting role at the same time, the guiding structure and the adjusting part are uniformly distributed on the inner wall of the shell, the two guiding structures play a supporting role on the adjusting part, and the adjusting part applies force and is uniformly absorbed by the guiding structure.
Further, the guide structure comprises a first chute, a second chute and a guide part;
the first sliding groove is arranged on the inner wall of the shell;
the second sliding groove is arranged on the supporting part corresponding to the first sliding groove;
the guide part is matched with the first sliding groove and the second sliding groove respectively and used for guiding the supporting part to move between the two openings of the shell along a path formed by the guide part.
Meanwhile, the adjusting part comprises a knob and a transmission shaft which is connected with the knob, extends into the shell and is matched with the supporting part;
the supporting part converts the rotary motion of the adjusting part into linear motion along the two openings of the shell;
in one embodiment, at least the part of the transmission shaft, which is matched with the supporting part, is provided with a gear;
the support part is provided with a rack matched with the gear, the gear is matched with the rack, the knob of the adjusting part is rotated, the gear transmits rotary motion to the rack, and the rack converts the rotary motion of the gear into linear motion of the support part to realize the motion of the support part in the shell;
in one embodiment, the knob is provided with at least two scales corresponding to the elastic portion torque, and by providing the scales, calculation of the numerical value of the elastic portion torque adjustment is facilitated.
Further, also comprises
The positioning hole is arranged on the shell;
the positioning pin is in movable fit with the positioning hole in a pluggable manner and is used for fixing the supporting part;
in one embodiment, the support part is provided with a positioning structure matched with the positioning pin;
in one embodiment, the positioning structure is a hole structure of which at least two are arranged on the supporting part at intervals;
in one embodiment, the location of the positioning structure on the support portion corresponds to the torque of the elastic portion corresponding to the scale.
Further, at least part of the outer edge of the positioning hole protrudes out of the inner wall of the shell and extends to one side of the inner part of the shell to be in interference fit with the outer wall of the supporting part;
the locating pin passes the locating hole, stretches into inside the location structure, realizes the shell with the fixed of supporting part, the adjusting part is in the promotion the in-process of supporting part motion, because the locating hole with the adjusting part is interference fit, consequently can produce certain resistance, and when adjusting part moves to the location structure with the locating hole is joined in marriage, then the locating hole with the adjusting part disappears because the resistance that interference fit produced to can produce a feedback, this feedback suggestion adjusting part has moved to the position that can fix a position, will at this moment the locating pin passes the locating hole stretches into inside the location structure, realizes the shell with the fixed of adjusting part.
A washing machine comprising a door body and a tray seat, provided with any one of the damping devices; the connecting part is connected with the door body or the tray seat; the shell is connected with the tray seat or the door body.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects: according to the damping device, the adjusting part capable of adjusting the distance between the supporting part and the connecting part is arranged on one side of the supporting part, so that the spring in the damper is compressed, the moment required by the stroke of the deformation of the spring is changed, the effect of adjustable moment is achieved, meanwhile, the universality of the damper is improved due to the fact that the moment is adjustable, the damping can be adjusted at any time according to the requirement in use, the torque of the spring can be converted, and the performance of a product is improved.
The following describes the 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 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. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a first schematic view of the damping device of the present invention assembled;
FIG. 2 is a second schematic view of the damping device of the present invention assembled;
FIG. 3 is a schematic view of an assembled cross-section of a damping device of the present invention;
FIG. 4 is a schematic illustration of the housing of the present invention;
FIG. 5 is a first schematic view of the support of the present invention;
FIG. 6 is a second schematic view of the support of the present invention;
fig. 7 is a schematic view of an adjustment portion of the present invention.
In the figure: 1. a housing; 2. a connection part; 3. a support part; 4. an elastic part; 5. an adjusting section; 501. a knob; 502. a transmission shaft; 503. a scale; 6. a guide structure; 601. a first chute; 602. a second chute; 603. a guide part; 7. positioning holes; 8. a positioning pin; 9. a positioning structure; 10. a gear; 11. a rack.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 to 3 are an assembly schematic view and a cross-sectional schematic view of a damping device according to the present invention, in which a main body of the damping device is formed by a housing 1, a connection part 2 and a supporting part 3 are disposed in the housing 1, the connection part 2 partially protrudes from the side of the supporting part 3 and is inserted into the housing 1 during specific installation, the housing 1 and the connection part 2 are rotatably connected, and the connection part 2 is installed into the housing 1 from the side of the supporting part 3 through a rolling bearing or a sliding bearing, because the connection part 2 is subjected to the force of an elastic part 4, and the elastic part 4 is compressed from the side of the supporting part 3 to the side of the connection part 2 when the adjusting part 5 is adjusted, and a step structure for preventing the connection part 2 from being ejected out of the housing 1 is further disposed at the mating position of the housing 1, in practical application, and a person skilled in the art can supplement according to the prior art; the connecting part 2 is provided with the switching part of being connected with external part in the outside of shell 1, and the switching part is axle type structure the axial direction of switching part is provided with two parallel planes, makes connecting part 2 can pass through switching part and external part realize the cooperation, in practical application, shell 1 still is provided with the fixed part, the fixed part can be connected shell 1 and external part's fixed knot constructs, can also be set up on shell 1 two parallel planes in shell 1 axial direction, two parallel ground planes make the degree of freedom between shell 1 can be with external structure obtains the restriction, and then realizes shell 1's is fixed.
Further, in fig. 1 and 2, an adjusting portion 5 is disposed on the housing 1, the adjusting portion 5 passes through the housing 1 and extends into a cavity in the housing 1 and is matched with the supporting portion 3, a rack 11 is disposed at a matching portion of the supporting portion 3 and the adjusting portion 5, the adjusting portion 5 includes a knob 501 and a transmission shaft 502, the transmission shaft 502 is provided with a gear 10 corresponding to the rack 11, a distance between the supporting portion 3 and the connecting portion 2 is adjusted by the adjusting portion 5, adjustment of torque of the elastic portion 4 is achieved, a problem that damping force is reduced due to reduction of elastic force of the elastic portion 4 and damping effect is reduced in a long-term use process is avoided, in addition, at least two scales 503 are disposed on the knob 501, corresponding to different torques of the elastic portion 4, through positions of the scales 503, the torque of the elastic portion 4 can be obtained, and the required torque can be accurately adjusted by the adjusting portion 5; in order to ensure that the supporting portion 3 can move along a fixed track in the housing 1, and further adjust the distance between the supporting portion 3 and the connecting portion 2, a guiding structure 6 is disposed at a matching portion between the housing 1 and the supporting portion 3, the guiding structure 6 includes a first chute 601 disposed in the housing 1, a second chute 602 disposed in the supporting portion 3, and a guiding portion 603 matched with the first chute 601 and the second chute 602, both the guiding structure 6 and the adjusting portion 5 are disposed at a matching portion between the housing 1 and the supporting portion 3 around a rotation direction of a central axis of the housing 1, so that the supporting portion 3 can move in the housing 1 smoothly, and when the number of the guiding structures 6 is at least one, one guiding structure 6 and the adjusting portion 5 are symmetrically disposed in the rotation direction of the central axis of the housing 1, that is, symmetrically disposed on an inner wall of the housing 1; when the number of the guide structures 6 is at least two, the guide structures 6 and the adjusting parts 5 are all arranged on the inner wall of the shell 1 to form the guide structures 6 with balanced stress and play a certain supporting role. Meanwhile, a positioning pin 8 for fixing the supporting part 3 is further arranged, the positioning pin 8 penetrates through a positioning hole 7 in the shell 1 and is matched with a positioning structure 9 in the supporting part 3, positioning of the adjusting part 5 is achieved, dislocation of the adjusting part 5 in the using process is prevented, torque change of the elastic part 4 is caused, and further failure of the damping device is caused, and the positioning pin 8 and the positioning hole 7 are matched in a threaded manner, so that the positioning effect of the positioning pin 8 is enhanced.
Fig. 4 is a schematic diagram of the housing 1 of the present invention, and shows the structure of the housing 1 specifically, it can be seen from the figure that a first chute 601 and a positioning hole 7 are provided in the housing 1, a hole structure matched with the adjusting portion 5 is further provided on the housing 1, and in a specific arrangement, a rolling bearing or a sliding bearing may be provided on the hole structure, so that the adjusting portion 5 can rotate, and further, the supporting portion 3 moves in the housing 1.
Fig. 5 and 6 are schematic diagrams of the supporting portion 3 according to the present invention, showing a specific structure of the supporting portion 3, two second sliding grooves 602 and racks 11 matched with the adjusting portion 5 are provided on the supporting portion 3, the second sliding grooves 602 and the racks 11 are uniformly distributed on a peripheral wall of the supporting portion 3, positioning structures 9 are provided on a peripheral wall of the supporting portion 3 opposite to the racks 11, the positioning structures 9 are in hole structures arranged at intervals, and meanwhile, the positioning structures 9 are arranged, when the positioning structures 9 correspond to the torque of the elastic portion 4 corresponding to the scale 503 on the adjusting portion 5, that is, when the scale 503 is adjusted to a corresponding position, the positioning structures 9 just correspond to the positioning holes 7 on the housing 1, and correspond to a specific torque value of the elastic portion 4, and the amount of the torque value adjusted by the scale 503, that is, the adjustment of the torque of the elastic portion 4 can be intuitively observed through the scale 503.
Fig. 7 is a schematic diagram of the adjusting portion 5 of the present invention, showing a specific structure of the adjusting portion 5, where the adjusting portion 5 includes a knob 501 and a transmission shaft 502, graduations 503 are uniformly distributed on the knob 501, and the graduations 503 correspond to torque of the elastic portion 4, for example, when the graduations 503 rotate 45 ° without rotation, correspond to torque variation of the elastic portion 40.5 NM; the gear 10 is arranged at the matching position of the transmission shaft 502 and the supporting part 3, the adjusting part 5 penetrates through the shell 1, stretches into the cavity in the shell 1 and is matched with the supporting part 3, and the adjusting part 5 is matched with the shell 1 through a rolling bearing or a sliding bearing.
According to the damping device, the adjusting part 5 capable of adjusting the distance between the supporting part 3 and the connecting part 2 is arranged on one side of the supporting part 3, so that the spring in the damper is compressed, the moment required by the stroke of the deformation of the spring is changed, the effect of adjusting the moment is achieved, meanwhile, the universality of the damper is improved due to the fact that the moment is adjustable, the damping can be adjusted at any time according to the requirement in use, the torque of the spring can be converted, and the performance of a product is improved.
The damping device of the present invention, when applied to a specific embodiment, is as follows.
In a specific embodiment, as shown in fig. 1 to 7, the damping device of the present invention includes a housing 1 forming a main body of the damping device, a connection part 2 and a supporting part 3 are disposed in the housing 1, and the connection part 2 is at least partially disposed in the housing 1; the support part 3 is at least partially arranged inside the housing 1; an elastic portion 4 provided between the connection portion 2 and the support portion 3; the adjusting part 5 is connected with the shell 1 and is used for driving the supporting part 3 to move, adjusting the distance between the connecting part 2 and the supporting part 3, further adjusting the moment of the elastic part 4, avoiding the problems that the damping force is reduced and the damping effect is reduced due to the fact that the elastic force of the elastic part 4 is reduced in the long-time use process, the connecting part 2 stretches into the shell 1 from one side of the supporting part 3, the shell 1 is rotationally connected with the connecting part 2, and the connecting part 2 is installed into the shell 1 from one side of the supporting part 3 through a rolling bearing or a sliding bearing because the connecting part 2 receives the acting force of the elastic part 4, and meanwhile, the adjusting part 5 compresses the elastic part 4 from one side of the supporting part 3 to one side of the connecting part 2 when adjusting, and the matching position of the shell 1 and the connecting part 2 is also provided with a step structure for preventing the connecting part 2 from being ejected out of the shell 1; in practical applications, the person skilled in the art can supplement this according to prior art means; the connecting part 2 is provided with a switching part connected with an external part outside the shell 1, the switching part is of a shaft structure, and two parallel planes are arranged in the axial direction of the switching part, so that the connecting part 2 can be matched with the external part through the switching part.
Wherein, the shell 1 extends from one end to the other end, openings are arranged at the two ends, a cavity is formed inside, and the shape of the shell 1 can be cylindrical, square or other shapes convenient for installation; the adjusting part 5 at least partially penetrates through the peripheral wall of the housing 1, stretches into the cavity of the housing 1, is matched with the supporting part 3 in the cavity, and is used for adjusting the position of the supporting part 3 between two openings, in practical application, the housing 1 is further provided with a fixing part, the fixing part can be a fixing structure for connecting the housing 1 and an external component, and can be two parallel planes arranged on the housing 1 in the axial direction of the housing 1, and the two parallel planes enable the freedom degree between the housing 1 and the external structure to be limited, so that the housing 1 is fixed.
Further, the connecting part 2 is at least partially installed in an opening at one end of the housing 1; the connecting part 2 is arranged around the central axis of the shell 1 in a rotating way relative to the shell 1, and one end of the elastic part 4 is connected with the connecting part 2; the other end of the elasticity is connected with the supporting part 3; preferably, the elastic portion 4 is a torsion spring.
In a specific embodiment, as shown in fig. 1 to 7, in order to ensure the movement of the supporting portion 3 in the housing 1, the present embodiment further provides a guiding structure 6, where at least two guiding structures 6 are symmetrically disposed at the mating position of the housing 1 and the supporting portion 3, and are used for guiding the supporting portion 3 to move along a fixed path between two openings of the housing 1; the guiding structure 6 and the adjusting part 5 are arranged around the connecting line direction of the two openings of the shell 1 at the matching position of the shell 1 and the supporting part 3, the guiding structure 6 comprises a first sliding groove 601 arranged on the shell 1, a second sliding groove 602 arranged on the supporting part 3, and a guiding part 603 matched with the first sliding groove 601 and the second sliding groove 602, the guiding structure 6 and the adjusting part 5 are arranged around the rotating direction of the central shaft of the shell 1 at the matching position of the shell 1 and the supporting part 3, the supporting part 3 is ensured to stably move in the shell 1, and meanwhile, a positioning pin 8 for fixing the supporting part 3 is also arranged, the positioning pin 8 passes through a positioning hole 7 on the shell 1 and is matched with a positioning structure 9 on the supporting part 3, so that the positioning of the adjusting part 5 is realized, the moment change of the elastic part 4 is prevented, the situation that a device fails is caused, and the positioning pin 8 is matched with the positioning hole 7, and the positioning pin 8 can be matched with the positioning hole 7.
In a specific embodiment, as shown in fig. 1 to 7, the damping device according to the present embodiment has an adjusting portion 5 including a knob 501, and a transmission shaft 502 connected to the knob 501 and extending into the housing 1 to cooperate with the supporting portion 3; the supporting part 3 converts the rotary motion of the adjusting part 5 into linear motion along the two openings of the shell 1;
as shown in fig. 5 to 7, at least a portion of the drive shaft 502 that mates with the support portion 3 is provided with a gear 10; the support part 3 is provided with a rack 11 which is matched with the gear 10; the knob 501 is provided with at least two scales 503 corresponding to the torque of the elastic portion 4, the scales 503 corresponding to the torque of the elastic portion 4, for example, when the scales 503 are not rotated by 45 degrees, the scales correspond to the torque variable of the elastic portion 40.5 NM; the transmission shaft 502 and the supporting part 3 are provided with the gear 10 at the matching position, the adjusting part 5 penetrates through the shell 1 and stretches into the cavity in the shell 1 to be matched with the supporting part 3, the adjusting part 5 and the shell 1 are matched through a rolling bearing or a sliding bearing, the supporting part 3 is provided with two second sliding grooves 602 and racks 11 matched with the adjusting part 5, the second sliding grooves 602 and the racks 11 are uniformly distributed on the peripheral wall of the supporting part 3, the peripheral wall of the supporting part 3 opposite to the racks 11 is provided with positioning structures 9, the positioning structures 9 are in hole structures which are arranged at intervals, the positioning structures 9 are arranged at the same time, the positioning structures 9 correspond to the torque of the elastic part 4 corresponding to the scales 503 on the adjusting part 5, namely, when the scales 503 are adjusted to the corresponding positions, the positioning structures 9 just correspond to the positioning holes 7 on the shell 1, and correspond to the specific torque values of the elastic part 4, and the values reflect that the adjustment of the torque values are visual to observe the torque values of the scales 503, namely, the visual adjustment of the torque values can be achieved through the scales 503.
Further, the device also comprises a positioning hole 7 which is arranged on the shell 1; a positioning pin 8, which is in movable fit with the positioning hole 7 and is used for fixing the supporting part 3; the support part 3 is provided with a positioning structure 9 matched with the positioning pin 8; the positioning structure 9 is a hole-shaped structure with at least two intervals arranged on the supporting part 3; the position of the positioning structure 9 on the supporting portion 3 corresponds to the torque of the elastic portion 4 corresponding to the scale 503.
Wherein, at least part of the outer edge of the positioning hole 7 protrudes out of the inner wall of the shell 1 and extends to one side of the inner part of the shell 1 to be in interference fit with the outer wall of the supporting part 3; the positioning pin 8 passes through the positioning hole 7 and stretches into the positioning structure 9 to fix the shell 1 and the supporting part 3, and the adjusting part 5 passes through the positioning hole 7 and stretches into the positioning structure 9 to fix the shell 1 and the adjusting part 5 because the positioning hole 7 and the adjusting part 5 are in interference fit in the process of pushing the supporting part 3 to move, when the adjusting part 5 moves to the positioning structure 9 to be matched with the positioning hole 7, the positioning hole 7 and the adjusting part 5 disappear due to the resistance generated by the interference fit, and a feedback can be generated, and the feedback prompts the adjusting part 5 to move to a position capable of being positioned, so that the positioning pin 8 passes through the positioning hole 7 and stretches into the positioning structure 9 to fix the shell 1 and the adjusting part 5.
In a specific embodiment, the washing machine comprises a door body and a tray seat, wherein the damping device is arranged between the door body and the tray seat; the tray seat can be a control tray seat for installing a control panel or a base for installing a door body, wherein the connecting part is connected with the door body or the tray seat; the housing is connected to the tray or the door body, and the mounting structure is prior art, so that it is not shown in the drawings.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Any combination of all features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or units of any method or apparatus so disclosed, may be used in combination, except insofar as at least some of such features and/or processes or units are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present application.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present invention without departing from the scope of the invention.
Claims (13)
1. A damping device, characterized by: comprising
A housing (1);
a connection part (2);
a support part (3) at least partially provided inside the housing (1);
an elastic part (4) arranged between the connecting part (2) and the supporting part (3); the elastic part (4) is a torsion spring;
an adjusting part (5) connected with the shell (1) and used for driving the supporting part (3) to move and adjusting the distance between the connecting part (2) and the supporting part (3);
the adjusting part (5) comprises a knob (501) and a transmission shaft (502) which is connected with the knob (501), extends into the shell (1) and is matched with the supporting part (3);
the supporting part (3) converts the rotary motion of the adjusting part (5) into linear motion along the two openings of the shell (1); at least the matching part of the transmission shaft (502) and the supporting part (3) is provided with a gear (10); the support part (3) is provided with a rack (11) matched with the gear (10);
the positioning hole (7) is arranged on the shell (1);
the positioning pin (8) is in movable fit with the positioning hole (7) in a pluggable manner and is used for fixing the supporting part (3);
at least part of the outer edge of the positioning hole (7) protrudes out of the inner wall of the shell (1) and extends to one side of the inner part of the shell (1) to be in interference fit with the outer wall of the supporting part (3).
2. A damping device according to claim 1, wherein:
the shell (1) extends from one end to the other end, openings are formed in the two ends, and a cavity is formed in the shell;
the adjusting part (5) at least partially penetrates through the peripheral wall of the shell (1), stretches into the cavity of the shell (1), is matched with the supporting part (3) in the cavity, and is used for adjusting the position of the supporting part (3) between two openings.
3. A damping device according to claim 2, wherein:
the connecting part (2) is at least partially arranged in an opening at one end of the shell (1);
the connecting part (2) is arranged around the central shaft of the shell (1) in a rotating way relative to the shell (1).
4. A damper device according to claim 3, wherein:
one end of the elastic part (4) is connected with the connecting part (2);
the other end of the elasticity is connected with the supporting part (3).
5. A damping device according to any one of claims 2-4, characterized in that: and also comprises
The guide structure (6) is arranged at the matching position of the shell (1) and the supporting part (3) and is used for guiding the supporting part (3) to move between two openings of the shell (1) along a fixed path.
6. A damper device according to claim 5, wherein: the guide structure (6) and the adjusting part (5) are arranged at the matching position of the shell (1) and the supporting part (3) around the rotation direction of the central shaft of the shell (1).
7. A damper device according to claim 6, wherein:
the guide structure (6) comprises a first chute (601), a second chute (602) and a guide part (603);
the first chute (601) is arranged on the inner wall of the shell (1);
the second sliding groove (602) is arranged on the supporting part (3) corresponding to the first sliding groove (601);
the guide part (603) is respectively matched with the first chute (601) and the second chute (602) and is used for guiding the supporting part (3) to move between two openings of the shell (1) along a path formed by the guide part (603).
8. A damper device according to claim 7, wherein: the knob (501) is provided with at least two graduations (503) corresponding to the torque of the elastic part (4).
9. A damper device according to claim 7, wherein: the support part (3) is provided with a positioning structure (9) matched with the positioning pin (8).
10. A damping device according to claim 9, wherein: the positioning structure (9) is a hole-shaped structure with at least two intervals arranged on the supporting part (3).
11. A damping device according to claim 9, wherein: the knob (501) is provided with at least two scales (503) corresponding to the torque of the elastic part (4); the position of the positioning structure (9) on the supporting part (3) corresponds to the torque of the elastic part (4) corresponding to the scale (503).
12. A damping device according to claim 9, wherein:
the locating pin (8) penetrates through the locating hole (7) and stretches into the locating structure (9), so that the shell (1) and the supporting portion (3) are fixed.
13. The utility model provides a washing machine, includes door body and dish seat, its characterized in that: a damping device according to any one of claims 1-12; wherein the connecting part (2) is connected with the door body or the tray seat; the shell (1) is connected with the tray seat or the door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052467.XA CN112747062B (en) | 2019-10-31 | 2019-10-31 | Damping device and washing machine provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052467.XA CN112747062B (en) | 2019-10-31 | 2019-10-31 | Damping device and washing machine provided with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112747062A CN112747062A (en) | 2021-05-04 |
| CN112747062B true CN112747062B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911052467.XA Active CN112747062B (en) | 2019-10-31 | 2019-10-31 | Damping device and washing machine provided with same |
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| Country | Link |
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| CN (1) | CN112747062B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321243B (en) * | 2021-12-24 | 2024-03-01 | 兰州飞行控制有限责任公司 | Rigidity-adjustable aircraft maneuvering force sensing device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237098A (en) * | 2016-03-29 | 2017-10-10 | 无锡小天鹅股份有限公司 | Washing machine |
| CN205772508U (en) * | 2016-06-06 | 2016-12-07 | 苏州赛腾精密电子股份有限公司 | A kind of adjustable spool of torsion |
| CN106048991B (en) * | 2016-07-29 | 2018-10-23 | 无锡小天鹅股份有限公司 | The electric driving device and washing machine of door for washing machine |
| KR101691149B1 (en) * | 2016-10-27 | 2016-12-29 | 주식회사 이피텍 | Device of door hinge for washing machine |
| CN107245851B (en) * | 2017-05-31 | 2021-09-17 | 青岛海尔洗衣机有限公司 | Door cover device with power assisting and damping functions, method and washing machine |
| CN207144697U (en) * | 2017-06-19 | 2018-03-27 | 江苏吉凯中科技有限公司 | A kind of assistance type damper, damper assembly and cover board arrangement |
| CN109112796A (en) * | 2017-06-26 | 2019-01-01 | 青岛海尔洗衣机有限公司 | A kind of damp hinge and washing machine |
| CN108591359B (en) * | 2018-07-16 | 2023-11-24 | 福建鸿燕化工有限公司 | Damping device is used in production of cellulose acetate butyrate |
| CN110319135A (en) * | 2019-08-16 | 2019-10-11 | 东莞市培尔电子有限公司 | A kind of On A Retrofitted Damper |
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2019
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| CN112747062A (en) | 2021-05-04 |
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