CN209307665U - Damper and clothes treatment device including the damper - Google Patents

Abstract

The utility model relates to clothing processing technology fields, and in particular to a kind of damper and the clothes treatment device including the damper.The utility model aims to solve the problem that the problem that damping effect existing for existing damper is poor, service life is short.For this purpose, the damper of the utility model includes: sleeve, with first chamber；Plunger is slidably inserted into first chamber；The outer surface of plunger is provided with the mounting groove of annular, the friction member of annular is provided between mounting groove and the inner wall of first chamber, the inner wall or mounting groove of first chamber are provided with reducer, and when plunger is less than preset value relative to the stroke that sleeve slides, friction member is not contacted with reducer；When plunger is greater than or equal to preset value relative to the stroke that sleeve slides, friction member is in contact with part reducer and generates friction.By above-mentioned set-up mode, the damper of the utility model can be different with the stroke that plunger slides in sleeve, the different damping effects of generation.

Description

Damper and clothes treatment device including the damper

Technical field

The utility model relates to clothing processing technology fields, and in particular to a kind of damper and the clothing including the damper Processing equipment.

Background technique

Washing machine is the clean type electric appliance that clothing is washed using electric energy, and with the quickening pace of modern life and people are to life The high request of comfort level living, washing machine have become essential household electrical appliance in people's daily life.However, washing machine exists Very big vibration and noise can be issued in washing, rinsing and dehydration, a little inconvenience is brought to the normal life of people.

For the vibration and noise problem for solving washing machine, it is fitted with damper usually between cylindric washer and shell, subtracts Shake device mainly passes through plunger and generates frictional force realization reduction washing machine vibration in reciprocatory movement with sleeve friction in sleeve Purpose.But since washing machine can all shake and amplitude varies under any operating mode, and existing washing machine is big What is installed is the damper of constant damping power more, and this damper inevitably brings following problem: firstly, generating amplitude When larger, the damping force that damper generates is insufficient, causes damping effect poor；When generation amplitude is smaller, damper generates damping Power is excessive, leads to excessive damping, influences washing machine performance.Secondly, damper is after used a period of time, frictional force can be due to The abrasion of plunger and reduce, so that damper gradually fails, lead to the noise of washing machine and shake increasing, influence user's Usage experience.

Correspondingly, this field needs a kind of new damper to solve the above problems.

Utility model content

In order to solve the above problem in the prior art, in order to solve, damping effect existing for existing damper is poor, makes With the problem that the service life is short, the utility model provides a kind of damper, comprising: sleeve, the sleeve have first chamber；Column Plug, the plunger are slidably inserted into the first chamber；The outer surface of the plunger is provided with the installation of annular Slot, be provided between the mounting groove and the inner wall of the first chamber annular friction member, the inner wall of the first chamber or The mounting groove is provided with reducer, described to rub when the plunger is less than preset value relative to the stroke that the sleeve slides Part is wiped not contact with the reducer；When the stroke that the plunger is slided relative to the sleeve is greater than or equal to the preset value When, the friction member is in contact with the part reducer and generates friction.

In the optimal technical scheme of above-mentioned damper, the friction member is less than described along the axial length of the plunger Mounting groove is along the axial length.

In the optimal technical scheme of above-mentioned damper, the reducer is set to the mounting groove, the friction member Outer ring surface is in contact with the inner wall of the first chamber.

In the optimal technical scheme of above-mentioned damper, the diameter of the reducer is along the axial direction by the reducer Middle part is gradually increased to both ends.

In the optimal technical scheme of above-mentioned damper, the reducer is set to the inner wall of the first chamber, described The inner ring surface of friction member is in contact with the mounting groove.

In the optimal technical scheme of above-mentioned damper, the diameter of the reducer is along the axial direction by the reducer Middle part is gradually reduced to both ends.

In the optimal technical scheme of above-mentioned damper, the inner ring surface and/or outer ring surface of the friction member are coated with lubrication Layer.

In the optimal technical scheme of above-mentioned damper, the material of the friction member is cellular polyurethane elastomer.

In the optimal technical scheme of above-mentioned damper, the outer surface of the plunger and the inner wall of the first chamber are close Engagement.

The utility model additionally provides a kind of clothes treatment device, including shell and the washing being set in the shell Bucket, the washing tube are supported in the shell by multiple dampers, and at least one of described damper is above-mentioned preferred Damper described in any one of technical solution.

It will be appreciated to those of skill in the art that damper includes: set in the optimal technical scheme of the utility model Cylinder, with first chamber；Plunger is slidably inserted into first chamber；The outer surface of plunger is provided with annular Mounting groove, be provided between mounting groove and the inner wall of first chamber annular friction member, the inner wall or mounting groove of first chamber It is provided with reducer, when plunger is less than preset value relative to the stroke that sleeve slides, friction member is not contacted with reducer；Work as column When filling in the stroke slided relative to sleeve more than or equal to preset value, friction member is in contact with part reducer and generates friction.

By above-mentioned set-up mode, the damper of the utility model can be with the stroke that plunger slides in sleeve not Together, the different damping effects of generation.Specifically, in the operating condition that the revolving speeds such as high speed dewatering are high, amplitude is small, due to plunger phase Preset value is less than for the stroke of sleeve sliding, friction member is not contacted with reducer, therefore the damping force very little that damper generates, It is almost equal to zero, to be effectively guaranteed washing effect.In operating conditions that revolving speeds are low, amplitude is big such as washing, rinsing, low speed dehydrations When, since the stroke that plunger is slided relative to sleeve is greater than or equal to preset value, friction member is contacted and is generated with part reducer Friction, therefore the damping force that damper generates increases, to significantly enhance the damping effect of damper, reduces washing machine Vibration and noise.Further, since damper is during the work time, friction member is therefore above-mentioned not with reducer real-time contact Set-up mode also effectively improves the service life of damper.

That is, the damper of the utility model solves the problems, such as that damper damping effect is poor in the prior art, increase The strong damping effect of damper, extends the service life of damper.

Detailed description of the invention

With reference to the accompanying drawings and in conjunction with roller washing machine to describe the damper of the utility model and including the damper Clothes treatment device.In attached drawing:

Fig. 1 is the schematic view of the mounting position of the damper for roller washing machine of the utility model；

Fig. 2 is the structural schematic diagram of damper in the first embodiment of the utility model；

Fig. 3 A is the course of work schematic diagram (one) of the damper of the utility model；

Fig. 3 B is the course of work schematic diagram (two) of the damper of the utility model；

Fig. 3 C is the course of work schematic diagram (three) of the damper of the utility model；

Fig. 4 is the structural schematic diagram of damper in second of embodiment of the utility model.

Reference signs list

1, damper；11, sleeve；111, the first fixed part；112, first chamber；1121, reducer；12, plunger；121, Second fixed part；122, second chamber；123, mounting groove；1231, reducer；13, friction member；2, shell；3, roller.

Specific embodiment

Preferred embodiments of the present invention are described with reference to the accompanying drawings.It should be understood by those skilled in the art that It is that these embodiments are used only for explaining the technical principle of the utility model, it is not intended that limit the protection of the utility model Range.Although this is not restrictive, sheet for example, combining roller washing machine to be described in present embodiment Field technical staff can according to the actual situation be adjusted application scenarios, original of this adjustment without deviating from the utility model Reason.For example, the damper of the utility model obviously can also be applied to rotary drum washing machine, washing-drying integral machine, shoe washing machine etc. other In any clothes treatment device with the same or similar shock-damping structure.

It should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular in the description of the present invention, Directly ", the direction of the instructions such as "horizontal", "inner", "outside" or the term of positional relationship are that direction or position based on the figure are closed System, this is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with spy Fixed orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In addition it is also necessary to explanation, in the description of the present invention, unless otherwise clearly defined and limited, art Language " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediary It connects connected, can be the connection inside two elements.To those skilled in the art, can understand as the case may be above-mentioned The concrete meaning of term in the present invention.

With reference first to Fig. 1 and Fig. 2, the damper for roller washing machine of the utility model is described.Wherein, scheme 1 is the schematic view of the mounting position of the damper for roller washing machine of the utility model；Fig. 2 is the first of the utility model The structural schematic diagram of damper in embodiment.

As shown in Figure 1, to solve the problems, such as that damper damping effect in the prior art is poor, service life is short, this is practical One end of the novel damper 1 for roller washing machine is connected to the shell 2 of roller washing machine, the other end of damper 1 It is connected to the bottom of roller 3, when roller 3 shakes during the work time, damper 1 can support roller 3 and consume The vibration energy that roller 3 generates.Specifically, as shown in Fig. 2, damper 1 mainly includes sleeve 11, the first end with sleeve 11 The first fixed part 111, plunger 12 and the first end with plunger 12 that (left end of sleeve 11 shown in Fig. 2) is fixedly connected The second fixed part 121 that (right end of plunger 12 shown in Fig. 2) is fixedly connected.Wherein, sleeve 11 has first chamber 112, Second chamber 122 is provided in plunger 12.In assembled state, the second end of plunger 12 (plunger 12 shown in Fig. 2 Left end) slideably the first chamber of sleeve 11 is inserted into from the second end of sleeve 11 (right end of sleeve 11 shown in Fig. 2) In 112.After being inserted into first chamber 112, the outer wall of plunger 12 is slideably tightly engaged into the inner wall of first chamber 112.First Fixed part 111 is used to be connected to the shell 2 of washing machine, and the second fixed part 121 is used to be connected to the roller 3 of washing machine.Certainly, may be used With understanding, the first fixed part 111 can also be connected to the roller 3 of washing machine, the second fixed part 121 is connected to laundry The shell 2 of machine.

With continued reference to Fig. 2, the outer surface of plunger 12 is provided with the mounting groove 123 of annular, mounting groove 123 and first chamber It is provided with the friction member 13 of annular between 112 inner wall, is provided with reducer 1121 on the inner wall of first chamber 112.Work as plunger 12 relative to sleeve 11 slide stroke be less than preset value when, friction member 13 is not contacted with reducer 1121；When plunger 12 is opposite When the stroke that sleeve 11 slides is greater than or equal to preset value, friction member 13 is with 1121 joint of part reducer and generation rubs It wipes.

It can be seen from the above description that the damper 1 of the utility model can slide in sleeve 11 with plunger 12 Stroke is different, the different damping effects of generation.Specifically, in the operating condition that the revolving speeds such as high speed dewatering are high, amplitude is small, due to Plunger 12 is less than preset value relative to the stroke that sleeve 11 slides, and friction member 13 is not contacted with reducer 1121, therefore damper 1 The damping force very little of generation, is almost equal to zero, thus washing effect when being effectively guaranteed high revolving speed.In washing, rinsing, low speed When the operating conditions that revolving speeds are low, amplitude is big such as dehydration, since the stroke that plunger 12 is slided relative to sleeve 11 is greater than preset value, friction member 13 contact with part reducer 1121 and generate friction, therefore the damping force that damper 1 generates increases, to significantly enhance The damping effect of damper 1 reduces vibration and the noise of washing machine.Further, since damper 1 is during the work time, friction Part 13 is not with 1121 real-time contact of reducer, therefore above-mentioned set-up mode also effectively raises the service life of damper 1.Also It is to say, the damper 1 of the utility model solves the problems, such as that 1 damping effect of damper is poor in the prior art, enhances damper 1 Damping effect, extend the service life of damper 1.

It should be noted that preset value refers to column when friction member 13 and 1121 joint of reducer in the present embodiment The stroke that plug 12 is slided relative to sleeve 11.The size of the preset value and length, form, mounting groove and the friction member edge of reducer The axial length of plunger is related, as long as therefore above-mentioned parameter determine, can be by simply calculating or test measurement obtains.

Further below referring to Fig. 2, the damper of the utility model is described in detail.

As shown in Fig. 2, mounting groove 123 is set to the left end of plunger 12 in a kind of more preferred embodiment, installation The friction member 13 of annular is installed, friction member 13 is less than the length of mounting groove 123 along the axial length of plunger 12 in slot 123. The ring section of friction member 13 is rectangle, and the inner ring surface of the friction member 13 is in contact with mounting groove 123.Preferably, friction member 13 material is cellular polyurethane elastomer.Reducer 1121 is set to the middle part of first chamber 112, the reducer 1121 it is straight Diameter is gradually reduced from the middle part of reducer 1121 to both ends along the axial of plunger 12, to form the curved surface that a section is arc. When friction member 13 is in the middle part of the curved surface, the outer ring surface of friction member 13 is not contacted with curved surface；When friction member 13 is along axial shifting When moving to the both ends of the curved surface, the outer ring surface and curved face contact of friction member 13 simultaneously generate friction.In addition, the outer ring surface of friction member 13 Lubricant layer, such as lubricating oil, lubricating grease are also coated with inner ring surface.

The advantages of above-mentioned set-up mode, is: by the way that reducer 1121 is arranged on the inner wall of first chamber 112, in plunger 12 outer surface setting mounting groove 123 and friction member 13, enable the damper 1 of the utility model according to plunger 12 relative to The stroke size that sleeve 11 slides, the size of adjust automatically damping force effectively improve washing effect, reduce vibration and noise.It rubs The set-up mode that part 13 is less than the length of mounting groove 123 along the axial length of plunger 12 is wiped, so that in 1121 length of reducer In identical situation, damper 1 can be realized bigger damping force variation range, improve the practicability of damper 1.Reducer 1121 diameter is gradually reduced from the middle part of reducer 1121 to both ends along the axial of plunger 12, so that forming a section is arc Curved surface set-up mode so that friction member 13 steadily contacts in moving process with reducer 1121, so that damper 1 Damping force variation, improve the stability of damper 1, it is suppressed that the noise of damper 1.Friction member 13 is using porous poly- The set-up mode of urethane elastomer enables to friction member 13 after deformation on the one hand since the material has good elasticity It restores to the original state rapidly, mitigates the loss of friction member 13, improve the service life of friction member 13；On the other hand, porous material can also have Effect ground absorbs and stores lubricant grease, to improve smoothness when friction member 13 moves.

It should be noted that above-mentioned preferred embodiment is used merely to illustrate the principles of the present invention, it is not intended that In the limitation protection scope of the utility model, under the premise of without departing from the utility model principle, those skilled in the art can be with Above structure is adjusted, so that it can be suitable for more specifical application scenarios.

For example, the material of friction member 13 is not unalterable in a kind of interchangeable embodiment, as long as the material Wearability and elasticity are preferably.Such as friction member 13 can also select rubber material to make.

For another example, in another alternatively embodiment, the form of reducer 1121 is simultaneously not exclusive, as long as its diameter is full The condition that foot is gradually reduced from the middle part of reducer 1121 to both ends.For example, the diameter of reducer 1121 can also be arranged It is gradually reduced at from middle part to both ends to form two circular conical surfaces etc..

For another example, in another alternatively embodiment, the inner ring surface and outer ring surface of friction member 13 can also only wherein It is coated with lubricant layer on one side, to purposefully increase the frictional force of the one side of uncoated lubricant layer, promotes damping effect.

For another example, in another alternatively embodiment, friction member 13 is with mounting groove 123 along the axial length of plunger 12 Degree relationship and not exclusive, as long as the setting can satisfy plunger 12, the friction member 13 in different trips generates different effects i.e. It can.For example, mounting groove 123 along plunger 12 axial length can also with friction member 13 along the equal length of the axial direction, that is, Friction member 13 is arranged with respect to plunger 12 without relative movement, the friction of 12 sliding stroke hour of plunger equally may be implemented at this time Part 13 is not contacted with reducer 1121, and friction member 13 and reducer 1121 generate the purpose of friction when sliding stroke is big.

It for another example, is the structural schematic diagram of damper 1 in second of embodiment of the utility model referring to Fig. 4, Fig. 4.Such as Shown in Fig. 4, under the premise of other set-up modes are constant, reducer 1231, reducer can also be set in mounting groove 123 1231 diameter is gradually increased along the axial of plunger 12 from 1231 middle part of reducer to both ends.At this time the outer ring surface of friction member 13 with The inner wall of first chamber 112 is in contact, and the inner ring surface of friction member 13 is in the middle part Shi Buyu reducer for being in reducer 1231 1231 contacts, contact when being in the end of reducer 1231 with reducer 1231.The principle of such embodiment and the first Embodiment is similar, and details are not described herein.

Referring to Fig. 3 A to Fig. 3 C and Fig. 2 is combined, the damper working principle of the utility model is described briefly.Its In, Fig. 3 A is the course of work schematic diagram (one) of the damper of the utility model；Fig. 3 B is the work of the damper of the utility model Make process schematic (two)；Fig. 3 C is the course of work schematic diagram (three) of the damper of the utility model.

As shown in Fig. 2, Fig. 3 A to Fig. 3 C, when the stroke that plunger 12 is slided relative to sleeve 11 is smaller, plunger 12 is mobile Drive mounting groove 123 mobile relative to friction member 13, since the stroke that plunger 12 slides is smaller, friction member 13 is not moved at this time It is dynamic or only mobile without being contacted with reducer 1121 in the middle part of reducer 1121 generation small range.When plunger 12 is relative to sleeve When the stroke of 11 slidings is larger, plunger 12 is mobile first drives mounting groove 123 mobile relative to friction member 13, when mounting groove 123 One end abut against friction member 13 after, plunger 12 is jointly mobile with dynamic friction piece 13；When friction member 13 is moved to close to reducer Friction member 13 contacts with reducer 1121 and generates deformation and friction when 1121 end；When plunger 12 continues to move to, friction member 13 are gradually increased with the frictional force of reducer 1121, until friction member 13 completely disengages reducer 1121 and first chamber 112 The deformation and frictional force that inner wall generates reach maximum.

Referring again to Fig. 1, the another aspect of the utility model provides a kind of roller washing machine comprising shell 2 and sets The roller 3 being placed in shell 2, roller 3 are supported on shell 2 by two dampers 1, it is preferable that on two dampers 1 are The damper 1 for roller washing machine of the utility model stated.Certainly, setting quantity of the damper 1 in roller washing machine It is not unalterable, three, four or more dampers 1, and these dampings are also provided in roller washing machine At least one in device 1 is the damper 1 of above-mentioned the utility model.

So far, it has been combined preferred embodiment shown in the drawings and describes the technical solution of the utility model, still, this Field technical staff is it is easily understood that the protection scope of the utility model is expressly not limited to these specific embodiments.? Under the premise of the principles of the present invention, those skilled in the art can make equivalent change to the relevant technologies feature Or replacement, the technical solution after these changes or replacement are fallen within the protection scope of the utility model.

Claims (10)

1. a kind of damper, comprising:

Sleeve, the sleeve have first chamber；

Plunger, the plunger are slidably inserted into the first chamber；

It is characterized in that, the outer surface of the plunger is provided with the mounting groove of annular, the mounting groove and the first chamber The friction member of annular is provided between inner wall, the inner wall of the first chamber or the mounting groove are provided with reducer,

When the plunger is less than preset value relative to the stroke that the sleeve slides, the friction member does not connect with the reducer Touching；When the plunger is greater than or equal to the preset value relative to the stroke that the sleeve slides, the friction member and part The reducer is in contact and generates friction.

2. damper according to claim 1, which is characterized in that the friction member is small along the axial length of the plunger In the mounting groove along the axial length.

3. damper according to claim 2, which is characterized in that the reducer is set to the mounting groove, described to rub The outer ring surface for wiping part is in contact with the inner wall of the first chamber.

4. damper according to claim 3, which is characterized in that the diameter of the reducer is along the axial direction by the change The middle part of diameter section is gradually increased to both ends.

5. damper according to claim 2, which is characterized in that the reducer is set to the interior of the first chamber Wall, the inner ring surface of the friction member are in contact with the mounting groove.

6. damper according to claim 5, which is characterized in that the diameter of the reducer is along the axial direction by the change The middle part of diameter section is gradually reduced to both ends.

7. damper according to any one of claim 1 to 6, which is characterized in that the inner ring surface of the friction member and/or Outer ring surface is coated with lubricant layer.

8. damper according to any one of claim 1 to 6, which is characterized in that the material of the friction member is porous Polyurethane elastomer.

9. damper according to any one of claim 1 to 6, which is characterized in that the outer surface of the plunger with it is described The inner wall of first chamber is tightly engaged into.

10. a kind of clothes treatment device, including shell and the washing tube being set in the shell, the washing tube passes through multiple Damper is supported in the shell, which is characterized in that at least one of described damper is any in claim 1 to 9 Damper described in.