CN209669548U - Damper, door closure component and washing machine - Google Patents

Abstract

The utility model provides a kind of damper, door closure component and washing machine, and damper includes: shell, shell include open at one end shell and tail it is stifled, tail blocks the open end of stifled shell and is fixedly connected by fixing axle with shell；Transmission component, including be located at the intracorporal driven member of shell, limits damping cavity between driven member and tail are stifled, and can opposite shell reciprocatingly slide along the direction blocked up close to or far from tail；Damper assembly is mounted in damping cavity, and flexible deformation can occur with reciprocatingly sliding for driven member.The application is stifled come connected with outer casing and tail using fixing axle, can increase the contact area that shell and tail block up, to improve the connection reliability that shell and tail block up, reducing damper, the probability of oil leakage phenomenon occurs in tail portion after prolonged use.

Description

Damper, door closure component and washing machine

Technical field

The utility model relates to washing machine technology fields, in particular to a kind of damper and include the damper Door closure component and washing machine comprising the door closure component.

Background technique

Currently, there is a kind of damper in the market, after prolonged use, tail is stifled may be due to being not connected firmly with shell Existing oil leakage phenomenon.Therefore, one of the reliability for how guaranteeing damper tail portion, the problem of becoming urgent need to resolve.

Utility model content

At least one in order to solve the above-mentioned technical problem, one of the utility model is designed to provide a kind of damper.

Another of the utility model is designed to provide a kind of door closure component including above-mentioned damper.

Another of the utility model is designed to provide a kind of washing machine including above-mentioned door closure component.

To achieve the goals above, the technical solution of the utility model first aspect provides a kind of damper, comprising: shell Body, the shell include that the shell of open at one end and tail block up, and the tail blocks the open end of the shell and passes through fixing axle It is fixedly connected with the shell；Transmission component, including it is located at the intracorporal driven member of the shell, the driven member and the tail block up it Between limit damping cavity, and the driven member can the relatively described shell back and forth transported along the direction blocked up close to or far from the tail It is dynamic；Damper assembly is mounted in the damping cavity, and flexible deformation can occur with the reciprocating motion of the driven member.

The damper that the technical solution of the utility model first aspect provides, it is stifled come connected with outer casing and tail using fixing axle, Compared to connection types such as fasteners, the contact area that shell and tail block up can be increased, to improve the connection that shell and tail block up Reliability, reducing damper, there is the probability of oil leakage phenomenon in tail portion after prolonged use.

In use, driven member is matched with external structure, shell can be moved relatively when by external force, to damping Component applies active force, makes damper assembly that compressive deformation storage elastic potential energy occur, and then generate damping；Conversely, when outer When power disappears, damper assembly can discharge elastic potential energy and occur to reset deformation, and then driven member counter motion is driven to reset.

Be fixedly connected by fixing axle with shell it is worth noting that tail is stifled, expression be after the assembly is completed, fixing axle and Shell is fixed together, and guarantees the integrity and stability of shell, be not offered as tail it is stifled be fixedly connected with shell it is rear non-dismountable, That is: stifled realized by fixing axle with shell of tail is fixedly connected, while also achieving detachable assembly relation.

In addition, the damper in above-mentioned technical proposal provided by the utility model can also have following supplementary technology special Sign:

In the above-mentioned technical solutions, the shape for the outside wall surface that the shape of the inner wall of the open end of the shell and the tail block up Shape is adapted, and the stifled insertion shell of the tail is interior and blocks the open end of the shell, and the cross section that the tail blocks up is non- Circle, to limit, the tail is stifled to be rotated relative to the shell.

The shape for the outside wall surface that the shape of the inner wall of the open end of shell and tail block up is adapted, by the stifled insertion of tail when installation Tail can be made to block the open end of stifled shell in shell, be conducive to reduce the stifled size of tail in this way, to reduce small product size, mitigate Product weight saves production cost, while also making the structure of product more regular；And the stifled cross section of tail be it is non-circular, because And be restricted after being inserted into shell, be unable to opposite shell rotation, it may be assumed that using tail is stifled and the shape of shell itself ensure that shell and It is opposing stationary between tail is stifled, to further reduced the probability that fixing axle loosens, it is stifled and outer to further improve tail The connection reliability of shell, and structure is relatively simple, it is easy to accomplish.

In the above-mentioned technical solutions, the shell is equipped with the first connecting hole, and the tail is blocked equipped with the second connecting hole, institute State fixing axle be inserted into first connecting hole and second connecting hole and with first connecting hole and second connecting hole Tight fit makes the tail is stifled to be fixedly connected with the shell.

First connecting hole is set on the shell, blocks the second connecting hole of setting in tail, then successively wears fixing axle when installing It crosses in the first connecting hole and the second connecting hole, using the tight fit between fixing axle and the first connecting hole and the second connecting hole, i.e., Stifled being fixedly connected with shell of tail can be achieved, assembly method is simple, and connection is firm.

In the above-mentioned technical solutions, the fixing axle includes the first shaft part, the second shaft part and third shaft part being sequentially connected, First shaft part and the third shaft part be located in first connecting hole and respectively with the first connecting hole close-fitting Close, second shaft part be located at second connecting hole it is interior and with the second connecting hole tight fit.

Fixing axle includes the first shaft part, the second shaft part and third shaft part being sequentially connected, the first shaft part and third shaft part point It is not inserted into the first connecting hole and respectively with the first connecting hole tight fit, realizes being fixedly connected for fixing axle and shell, and both increased The contact area of fixing axle and shell is added, and has been conducive to stress equalization between fixing axle and shell, to improve fixing axle With the connection reliability of shell；Second shaft part be inserted into the second connecting hole in and with the second connecting hole tight fit, realize fixing axle with Tail is stifled to be fixedly connected, and then is realized shell and be fixedly connected with what tail blocked up.Preferably, the first shaft part and third shaft part have been distinguished It is located in the first connecting hole entirely, the second shaft part is fully located in the second connecting hole, and this avoid fixing axle part-structure evaginations In shell, both make the structure of product more regular, and convenient for the assembly of damper and other structures, also improves the beauty of damper Sight degree, while phenomena such as friction, interference occur between fixing axle and external structure can be effectively avoided, to significantly reduce solid The probability that dead axle loosens further improves damper to further improve the stifled connection reliability with shell of tail Use reliability.

In the above-mentioned technical solutions, glide direction of the fixing axle perpendicular to the driven member.

Fixing axle is perpendicular to the glide direction of driven member, then fixing axle is also perpendicularly to the side that compressive deformation occurs for damper assembly To, thus damper assembly is also perpendicularly to fixing axle to the stifled active force applied of tail, so tail is stifled to generate along solid fixing axle The component of dead axle axis direction to prevent fixing axle from loosening due to by axial thrust load, thus also further improves The connection reliability that shell and tail block up.

In any of the above-described technical solution, the position that the fixing axle is contacted with the shell is at least partly equipped with coarse Layer.

The position that fixing axle is contacted with shell is at least partly provided with rough layer, to increase between fixing axle and shell Frictional force, can reduce in use process and the probability that relative motion causes fixing axle to loosen to occur between fixing axle and shell, To further improve the fixed property of shell, guarantee that tail portion is not in that oil leak is existing to damper after long-time use As securely and reliably.

In the above-mentioned technical solutions, when the fixing axle includes the first shaft part, the second shaft part and third axis being sequentially connected Duan Shi, the rough layer are arranged in the outside wall surface of first shaft part；And/or the rough layer is annular knurl technological forming Flower-pattern layer.

Rough layer is arranged on the first shaft part, the area of rough layer is effectively reduced, it is thus possible to reduce fixing axle dress With frictional resistance in the process, be conducive to improve assembly efficiency.Preferably, third shaft part is first inserted into the first connecting hole when assembly It is interior.Third shaft part needs guiding through a part and the second connecting hole of the first connecting hole when being located in shell since tail is stifled, thus assembling It could be inserted into another part of the first connecting hole, a part that the second shaft part needs guiding through the first connecting hole could be inserted into the second company Connect in hole, so the first shaft part is the tail portion of fixing axle, the second shaft part and third shaft part contacted in assembling process with shell compared with It is more, therefore rough layer only is set in the outside wall surface of the first shaft part, it can reduce the assembly difficulty of the second shaft part and third shaft part, On the basis of improving stifled tail and cage connection reliability, the assembly efficiency of damper is improved.

Rough layer is the flower-pattern layer of annular knurl technological forming, it may be assumed that fixing axle uses annular knurl technique, has obtained rough layer, had both risen The effect for increasing frictional force has been arrived, and has improved the aesthetics of product, and technical maturity, it is easy to spread.

In any of the above-described technical solution, the tail is blocked up is equipped with sealing element between the shell；And/or the fixation The quantity of axis is multiple.

It is blocked up in tail and sealing element, such as sealing ring is set between shell, the sealing performance of shell can be further increased, thus Damper is further decreased for a long time using the risk of rear tail portion oil leak.

The quantity of fixing axle is multiple (such as two, three or mores), and multiple fixing axles can play multiple fixation Effect, to further increase the connection reliability that shell and tail block up.Preferably, multiple fixing axle parallel arrangements, are conducive to drop Low assembly difficulty improves assembly efficiency.Certainly, multiple fixing axles non-parallel can also arrange, for example, be mutually perpendicular to or other Mode.

In any of the above-described technical solution, the damper assembly includes helical spring and is sleeved on the outside of the helical spring Butterfly spring, the both ends of the helical spring respectively with the driven member and the tail are stifled is engaged.

Double-spring structure is used inside damper in the prior art, adjust its damping capacity (such as torque, deflection, The performances such as damping force) when can only be realized by adjusting the rigidity of spring, and the rigidity of adjustment spring not only increase process but also Increase cost, is inconvenient.Based on this, which replaces the prior art using the combination of butterfly spring+helical spring In double-spring structure, due to butterfly spring have diversified combination and pattern, it is easy to obtain different-stiffness Damper assembly, thus quantity and/or pattern by adjusting butterfly spring, the i.e. damping capacity of adjustable dampers, adjusting side Formula is simple and efficient, and not will increase process and cost, is suitable for promoting.Specifically, butterfly spring is sleeved on the outside of helical spring, then The outer diameter of helical spring is equal to the internal diameter of butterfly spring, and helical spring plays good supporting role to butterfly spring, guarantees butterfly The central axis of shape spring and the central axis of helical spring are conllinear, realize and stablize cooperation.

In the above-mentioned technical solutions, the driven member is equipped with the first limit shaft, and the tail is blocked equipped with the second limit shaft, institute The both ends for stating helical spring are set on first limit shaft and second limit shaft, and first limit shaft with There are compression spaces between second limit shaft.

First limit shaft is set on driven member, blocks the second limit shaft of setting in tail, the both ends of helical spring is distinguished It is sleeved on the first limit shaft and the second limit shaft, good position-limiting action can be played to helical spring, effectively prevent spiral Situations such as spring run-off the straight, displacement, to improve the use reliability and stability of helical spring；Due to butterfly spring set It on helical spring, is influenced by helical spring very big, thus also improves the use reliability of butterfly spring；And Compression space is reserved between one limit shaft and the second limit shaft, then ensure that helical spring and butterfly spring can be in damping cavities Compressive deformation occurs.

In the above-mentioned technical solutions, the quantity of the butterfly spring is multiple.

Using multiple butterfly springs, the rigidity of damper assembly can be significantly improved, and then improves the damping capacity of damper； Meanwhile by the arrangement mode of the multiple butterfly springs of reasonable Arrangement, it is capable of forming the damper assembly of a variety of different-stiffness, convenient for full The different demands of sufficient different product are conducive to the performance for optimizing different product, to expand the use scope of product.

In the above-mentioned technical solutions, the axial overall length of multiple butterfly springs in its natural state is less than the spiral The axial length of spring in its natural state.

It is long that the axial overall length of multiple butterfly springs in its natural state is less than the axial direction of helical spring in its natural state Degree, then the initial stage of damper work only has helical spring compression, and the rigidity of damper assembly is equal to the rigid of helical spring at this time Degree, the active force or torque being able to bear are relatively smaller, and the damping of damper is also relatively weaker；When helical spring pressure When being reduced to identical as the axial overall length of multiple butterfly springs, multiple butterfly springs just start to be pressurized, and damper assembly is rigid at this time Degree is equal to the rigidity of helical spring and the sum of the rigidity of multiple butterfly springs, it is thus possible to which the active force or torque of receiving significantly increase Add, the damping of damper also significantly improves.In this way, the work that initial stage and later stage are able to bear when damper works Firmly or torque is different, convenient for meeting the different demands of different product, to advanced optimize properties of product.Such as: for damping When device is used for washing machine closing lid process, the initial stage only has helical spring compression, and the damping of damper is relatively weaker, closes Lid speed is more relatively fast；Later stage helical spring and butterfly spring are pressurized simultaneously, the damping of damper relatively strong one A bit, closing lid speed is more relatively slow, in this way on the basis of effectivelying prevent door closure fast ram body or crushing user's finger, It also helps and shortens the closing lid time, thus effectively increase the usage comfort of user.

In the above-mentioned technical solutions, the inner conical surface of multiple butterfly springs is towards the driven member；Alternatively, multiple institutes Butterfly spring overlapping arrangement is stated, and its inner conical surface deviates from the driven member；Alternatively, two butterfly springs of arbitrary neighborhood Inner conical surface in the opposite direction.

The inner conical surface of multiple butterfly springs towards driven member or deviates from driven member, i.e., multiple butterfly springs towards phase Together, using parallel combination mode, and its inner conical surface can be towards driven member or away from driven member, it may be assumed that both can be just To arranged in parallel (i.e. AAAA ...), arranged in parallel (i.e. BBBB ...) also can be reversed, this arrangement mode is simple, and energy Enough bear biggish active force or torque；The inner conical surface of two butterfly springs of arbitrary neighborhood in the opposite direction, i.e., arbitrarily The direction of adjacent butterfly spring is on the contrary, using tandem compound mode (i.e. ABABAB ...).Certainly, multiple butterfly springs Arrangement mode be not limited to above-mentioned three kinds of situations, can also use other forms, such as: AABBAA ..., AAABBBAAA ... etc., will not enumerate herein, since these technical solutions can be realized the purpose of this utility model, And all without departing from the design philosophy and objective of the utility model, thus should be within the protection scope of the present utility model.

In any of the above-described technical solution, the transmission component further includes being at least partially seated in the shell and can phase To the driving link of shell movement, the driven member is matched with the driving link, and in the relatively described shell of the driving link The body driven member relatively described shell sliding when moving.

Transmission component further includes driving link, and driving link is at least partially seated in shell and shell can move relatively, is convenient for It realizes the cooperation of damper and external structure, and then active force is transferred to driven member and damper assembly, realize damping function；Together When, using the cooperation of driving link and driven member, the use scope of damper can be expanded, damper is made to can be not only used for straight line The structure of movement can be used for the structure of rotary motion or the structure of other movements.

In the above-mentioned technical solutions, the driving link include in the shell and can the relatively described housing into rotation turn Dynamic portion, the driven member includes the translation portion matched with the rotating member；Wherein, the relatively described housing into rotation in the rotation section When, the relatively described shell sliding in the translation portion is close to or far from the rotation section.

Driving link includes rotation section, rotary part in shell and can opposite housing into rotation, driven member includes translation portion, Translation portion and rotation section cooperate, and can convert linear motion for the rotary motion of external structure, and then act on damper assembly, Realize damping.In this way, damper can be used for the structure of rotary motion, such as the moving process of door for washing machine, and it is same The torque that damper efficiently can be simply adjusted by the quantity and/or pattern that adjust butterfly spring, for washing machine field With very big application value.

In the above-mentioned technical solutions, the rotation section and the translation portion are cam, two cams it is opposite one Side is equipped with protrusion, sliding slot compatible with the translation portion is additionally provided in the shell, the driven member limit is in the cunning In slot, and it can slide axially along the sliding slot；Wherein, when the rotation section and the shell relatively rotate, two The protrusion interaction on the cam, keeps the translation portion separate or close to the rotation section.

Translation portion and rotation section are cam, that is, are equipped with the wheel of protrusion, and protrusion is arranged in translation portion and rotation section phase Pair side, this makes two cams form dental inlay structure, in this way, rotation section by external force with respect to shell rotate when, It also relatively rotates between translation portion, the protrusion on two cams can interact at this time, make to generate therebetween axial The active force in direction；Due to being equipped with sliding slot in shell, translation portion can slide axially along sliding slot, and rotation section generally with outside Structure (such as with the body of washing machine or door closure) is fixedly linked, and cannot generate axial movement, so translation portion can axially side Mobile to the direction close to rotation section or separate rotation section, this become the contact area between translation portion and rotation section can Change, causes the service life too low so as to avoid translation portion and rotation section excessive wear.

It is worth noting that rotation section and translation portion are cam, only show that opposite turn can occur between two cams Dynamic, not representing two cams must be cylindrical structure；And sliding slot can be the inner wall of shell and enclose the structure set out, it can also To be the structure being additionally arranged in shell.Such as: the outside wall surface in translation portion is square structure, the shape with the inner wall of shell It is adapted, the protrusion to prevent it with respect to housing into rotation, but in translation portion can be matched with the protrusion on rotation section and be sent out It is raw to relatively rotate, linear motion is converted by the rotary motion of rotation section；Alternatively, the outside wall surface in translation portion is integrally round knot Structure, but its outside wall surface is equipped with limit rib, limit rib is matched with the sliding slot on shell, has both been limited translation portion and has been turned with respect to shell It is dynamic, and guiding role is played to the sliding in translation portion.

Preferably, set on rotation section there are two spaced protrusion, be respectively equipped in two protrusions the first helicoid and Second helicoid；It also is provided with two spaced protrusions in translation portion, third helicoid and are respectively equipped in two protrusions Four helicoids.First helicoid and the second helicoid are matched with third helicoid and the 4th helicoid respectively, realize translation portion With the relative rotation and relative movement of rotation section.

In the above-mentioned technical solutions, the side in the rotation section towards the translation portion is equipped with the first oil storage hole, described flat The side of dynamic portion towards the rotation section is equipped with the second oil storage hole.

The first oil storage hole is set in the side in rotation section towards translation portion, while being set in the side of translation portion towards rotation section The second oil storage hole is set, the first oil storage hole and the second oil storage hole can be used for lubrication oil, to reduce translation portion and rotation section Between fretting wear, not only improve the service life for extending damper, and be conducive to improve phase between rotation section and translation portion To the smooth degree of movement, reduces the even stuck probability of generation clamping stagnation and improve user's to improve the use reliability of product Usage experience.

In the above-mentioned technical solutions, the driving link further includes connecting shaft, and the shell is equipped with and the connecting shaft phase The axis hole of adaptation, one end of the connecting shaft are connected with the rotation section, and the other end passes through the axis hole and stretches out the shell.

Driving link further includes the connecting shaft being connected with rotation section, and connecting shaft passes through the axis hole on shell and stretches out shell, is convenient for It is connected with external structure (door closure or other structures of such as washing machine), to reduce the assembly difficulty of product.

The technical solution of the utility model second aspect provides a kind of door closure component for washing machine, comprising: work Platform, the workbench define clothing and place mouth；Door closure, lid are set on the workbench, and are rotatablely connected with the workbench, Mouth is placed to open or close the clothing；With the damper described in any one of at least one first aspect technical solution, peace At the rotatable connecting portion of the workbench and the door closure, and the driven member of the damper and the door closure match It closes, the damper assembly of the damper can be compressed during the door closure is closed.

The door closure component that the technical solution of the utility model second aspect provides, because including appointing in first aspect technical solution Damper described in one, thus there are all beneficial effects possessed by any of the above-described technical solution, details are not described herein.

Specifically, driven member is matched with door closure, can door closure close during compression damping component, thus reduce The closing velocity of door closure can either prevent door closure fast ram body from generating noise, and can prevent door closure from crushing user's finger； And when uncapping, damper assembly discharges elastic potential energy and occurs to reset deformation, is capable of providing certain active force of uncapping, it is thus possible to subtract The active force of uncapping that small user applies, to improve the usage comfort of user.

The technical solution of the utility model third aspect provides a kind of washing machine, comprising: fuselage, the fuselage define Accommodating chamber open at one end；Door closure component with as described in second aspect technical solution, is mounted on the top of the fuselage, and seals The open end of the accommodating chamber is covered, and its clothing places mouth and is connected with the accommodating chamber.

The washing machine that the technical solution of the utility model third aspect provides, because including described in second aspect technical solution Door closure component, thus there are all beneficial effects possessed by any of the above-described technical solution, details are not described herein.

In any of the above-described technical solution, the washing machine is rotary drum washing machine.

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the schematic perspective view at one visual angle of damper described in some embodiments of the utility model；

Fig. 2 is the schematic perspective view of another visual angle of damper shown in Fig. 1；

Fig. 3 is the schematic cross-sectional view of damper shown in Fig. 1；

Fig. 4 is the decomposition texture schematic diagram of damper shown in Fig. 1；

Fig. 5 is the schematic perspective view of driven member in Fig. 4；

Fig. 6 is the schematic perspective view of driving link in Fig. 4；

Fig. 7 is the schematic perspective view of fixing axle in Fig. 4；

Fig. 8 is the arrangement schematic diagram of butterfly spring described in the utility model one embodiment；

Fig. 9 is the arrangement schematic diagram of butterfly spring described in another embodiment of the utility model；

Figure 10 is the arrangement schematic diagram of butterfly spring described in another embodiment of the utility model；

Figure 11 is that damper shown in Fig. 1 removes the structural schematic diagram after shell；

Figure 12 is the schematic perspective view under door closure component opening state described in some embodiments of the utility model.

Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Figure 12 are as follows:

100 dampers, 10 shells, 11 shells, 111 first connecting holes, 12 tails are stifled, 121 second limit shafts, and 122 second connect Connect hole, 13 fixing axles, 131 first shaft parts, 132 second shaft parts, 133 third shaft parts, 20 transmission components, 21 driven members, 211 first Limit shaft, 212 translation portions, 2121 third helicoids, 2122 the 4th helicoids, 213 second oil storage holes, 22 driving links, 221 rotations Portion, 2,211 first helicoids, 2,212 second helicoids, 222 connecting shafts, 223 first oil storage holes, 30 damper assemblies, 31 spiral bullets Spring, 32 butterfly springs, 200 door closures, 300 workbench, 310 clothings place mouth.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

Referring to Fig. 1 to Figure 12 description the damper according to the utility model some embodiments, door closure component and Washing machine.

As shown in Figure 1 to 11, the embodiment of the utility model first aspect provides a kind of damper 100, comprising: shell Body 10, transmission component 20 and damper assembly 30.

Specifically, shell 10 includes the shell 11 and tail stifled 12 of open at one end, and as shown in Figures 2 to 4, tail stifled 12 blocks outer The open end of shell 11 is simultaneously fixedly connected by fixing axle 13 with shell 11；Transmission component 20 includes driven in shell 10 Damping cavity is limited between part 21, driven member 21 and tail stifled 12, and the opposite shell 10 of 21 energy of driven member is along close to or far from tail Stifled 12 direction moves back and forth；Damper assembly 30 is mounted in damping cavity, and can be occurred with the reciprocating motion of driven member 21 Flexible deformation.

The damper 100 that the embodiment of the utility model first aspect provides, using fixing axle 13 come connected with outer casing 11 with Tail stifled 12 can increase the contact area of shell 11 and tail stifled 12, to improve shell 11 compared to connection types such as fasteners The connection reliability that 12 are blocked up with tail, reducing damper, there is the probability of oil leakage phenomenon in tail portion after prolonged use.

In use, driven member 21 is matched with external structure, it being capable of the opposite movement of shell 10 when by external force (such as slide, rotate, swinging), applies active force to damper assembly 30, makes damper assembly 30 that compressive deformation storage elasticity occur Potential energy, and then generate damping；Conversely, damper assembly 30 can discharge elastic potential energy and occur to reset deformation when external force disappears, And then 21 counter motion of driven member is driven to reset.

The specific structure of damper 100 provided by the present application is described in detail below with reference to some embodiments.

Embodiment one

The shape of the inner wall of the open end of shell 11 is adapted with the shape of the outside wall surface of tail stifled 12, stifled 12 insertion of tail In shell 11 and block the open end of shell 11, as shown in figure 3, and the cross section of tail stifled 12 is non-circular, as shown in figure 4, with It limits tail and blocks up the rotation of 12 opposite shells 11.

The shape of the outside wall surface of the shape of the inner wall of the open end of shell 11 and tail stifled 12 is adapted, and when installation blocks up tail Tail stifled 12 can be made to block the open end of shell 11 in 12 insertion shells 11, be conducive to the size for reducing tail stifled 12, in this way to subtract Miscellaneous goods volume mitigates product weight, saves production cost, while also making the structure of product more regular；And tail stifled 12 Cross section is non-circular, thus is restricted after insertion shell 11, is unable to the rotation of opposite shell 11, it may be assumed that using tail stifled 12 and outside It is opposing stationary between 12 that the shape of shell 11 itself ensure that shell 11 and tail block up, to further reduced the generation of fixing axle 13 The probability of loosening further improves the connection reliability of tail stifled 12 with shell 11, and structure is relatively simple, it is easy to accomplish.

Further, shell 11 is equipped with the first connecting hole 111, as shown in figure 4, tail stifled 12 is equipped with the second connecting hole 122, fixing axle 13 be inserted into the first connecting hole 111 and the second connecting hole 122 and with the first connecting hole 111 and the second connecting hole 122 Tight fit is fixedly connected with tail stifled 12 with shell 11.

First connecting hole 111 is set on shell 11, is blocked up on 12 in tail and the second connecting hole 122 is set, then will consolidated when installing Dead axle 13 sequentially passes through in the first connecting hole 111 and the second connecting hole 122, utilizes fixing axle 13 and the first connecting hole 111 and Being fixedly connected for tail stifled 12 and shell 11 can be realized in tight fit between two connecting holes 122, and assembly method is simple, and connection It is firm.

Further, fixing axle 13 includes the first shaft part 131, the second shaft part 132 and the third shaft part 133 being sequentially connected, As shown in fig. 7, the first shaft part 131 and third shaft part 133 be located in the first connecting hole 111 and respectively with the first connecting hole 111 tight fits, as depicted in figs. 1 and 2, the second shaft part 132 be located in the second connecting hole 122 and with 122 close-fitting of the second connecting hole It closes.

Fixing axle 13 includes the first shaft part 131, the second shaft part 132 and the third shaft part 133 being sequentially connected, the first shaft part 131 and third shaft part 133 be inserted into the first connecting hole 111 respectively and respectively with 111 tight fit of the first connecting hole, realize and fix Axis 13 is fixedly connected with shell 11, and has not only increased the contact area of fixing axle 13 Yu shell 11, but also is conducive to fixing axle 13 The stress equalization between shell 11, to improve the connection reliability of fixing axle 13 Yu shell 11；Second shaft part 132 insertion the In two connecting holes 122 and with 122 tight fit of the second connecting hole, realize being fixedly connected for fixing axle 13 and tail stifled 12, and then realization Shell 11 is fixedly connected with tail stifled 12.

Preferably, the first shaft part 131 and third shaft part 133 are fully located in the first connecting hole 111, and the second shaft part 132 is complete It is located in the second connecting hole 122 entirely, this avoid 13 part-structures of fixing axle to externally protrude out in shell 10, has both made the structure of product It is more regular, convenient for the assembly of damper 100 and other structures, the aesthetics of damper 100 is also improved, while can be effective Phenomena such as friction, interference occur between fixing axle 13 and external structure is avoided, is loosened to significantly reduce fixing axle 13 Probability further improve the use of damper 100 to further improve the connection reliability of tail stifled 12 with shell 11 Reliability.

Preferably, fixing axle 13 perpendicular to driven member 21 glide direction, as shown in Figure 4.

Fixing axle 13 is perpendicular to the glide direction of driven member 21, then fixing axle 13 is also perpendicularly to damper assembly 30 and presses The direction of compression deformation, thus the active force that damper assembly 30 blocks up 12 applications to tail is also perpendicularly to fixing axle 13, so tail stifled 12 is not The component along 13 axis direction of fixing axle can be generated to fixing axle 13, to prevent fixing axle 13 from occurring due to by axial thrust load It loosens, thus also further improves the connection reliability of shell 11 and tail stifled 12.

Further, the position that fixing axle 13 is contacted with shell 10 is at least partly equipped with rough layer, as shown in Fig. 7.

The position that fixing axle 13 is contacted with shell 10 is at least partly provided with rough layer, to increase fixing axle 13 and shell Frictional force between body 10 can reduce in use process and relative motion occur between fixing axle 13 and shell 10 lead to fixing axle 13 probability loosened guarantee damper 100 after long-time use to further improve the fixed property of shell 10 Tail portion is not in oil leakage phenomenon, securely and reliably.

Preferably, rough layer is arranged in the outside wall surface of the first shaft part 131.

Rough layer is arranged on the first shaft part 131, effectively reduces the area of rough layer, it is thus possible to reduce fixing axle Frictional resistance in 13 assembling process is conducive to improve assembly efficiency.

Preferably, it is preferable that third shaft part 133 is first inserted into the first connecting hole 111 when assembly.

Third shaft part 133 needs guiding through the one of the first connecting hole 111 when being located in shell 11 since tail blocks up 12, thus assembling Part and the second connecting hole 122 could be inserted into another part of the first connecting hole 111, and the second shaft part 132 needs guiding through the first company The a part for connecing hole 111 could be inserted into the second connecting hole 122, so the first shaft part 131 is the tail portion of fixing axle 13, the second axis Section 132 and third shaft part 133 contacted in assembling process with shell 10 it is more, therefore only in the outside wall surface of the first shaft part 131 Rough layer is set, can reduce the assembly difficulty of the second shaft part 132 and third shaft part 133, is connected improving tail stifled 12 with shell 11 On the basis of connecing reliability, the assembly efficiency of damper 100 is improved.

Further, rough layer is the flower-pattern layer of annular knurl technological forming.

Rough layer is the flower-pattern layer of annular knurl technological forming, it may be assumed that fixing axle 13 uses annular knurl technique, has obtained rough layer, both The effect for increasing frictional force is played, and improves the aesthetics of product, and technical maturity, it is easy to spread.

Further, sealing element is equipped between tail stifled 12 and shell 11.

It is blocked up between 12 and shell 11 in tail and sealing element is set, such as sealing ring, the leakproofness of shell 10 can be further increased Can, to further decrease the risk that 100 long-time of damper uses rear tail portion oil leak.

Preferably, the quantity of fixing axle 13 is multiple, as shown in figs. 4 and 7.

The quantity of fixing axle 13 is multiple (such as two, three or mores), and multiple fixing axles 13 can play multiple solid Fixed effect, to further increase the connection reliability of shell 11 and tail stifled 12.Preferably, multiple 13 parallels of fixing axle Cloth advantageously reduces assembly difficulty, improves assembly efficiency.Certainly, multiple fixing axles 13 non-parallel can also arrange, such as mutually Vertical or other modes.

Further, damper assembly 30 includes helical spring 31 and the butterfly spring 32 being sleeved on the outside of helical spring 31, As shown in Fig. 3, Fig. 4 and Figure 11, the both ends of helical spring 31 are engaged with driven member 21 and tail stifled 12 respectively.

Double-spring structure is used inside damper 100 in the prior art, is adjusting its damping capacity (such as torque, deformation The performances such as amount, damping force) when can only be realized by adjusting the rigidity of spring, and the rigidity of adjustment spring not only increase process and And increase cost, it is inconvenient.Based on this, the embodiment is existing to replace using the combination of butterfly spring 32+ helical spring 31 Double-spring structure in technology, since butterfly spring 32 has diversified combination and pattern, it is easy to obtain difference The damper assembly 30 of rigidity, thus quantity and/or pattern by adjusting butterfly spring 32, the i.e. resistance of adjustable dampers 100 Damping properties, regulative mode are simple and efficient, and not will increase process and cost, are suitable for promoting.Specifically, butterfly spring 32 is set with In 31 outside of helical spring, then the outer diameter of helical spring 31 is equal to the internal diameter of butterfly spring 32, and helical spring 31 is to butterfly spring 32 play good supporting role, guarantee that the central axis of butterfly spring 32 is conllinear with the central axis of helical spring 31, realize Stablize cooperation.

Further, driven member 21 is equipped with the first limit shaft 211, as shown in figure 5, tail stifled 12 is equipped with the second limit shaft 121, as shown in figure 3, the both ends of helical spring 31 are set on the first limit shaft 211 and the second limit shaft 121, and the There are compression spaces between one limit shaft 211 and the second limit shaft 121.

First limit shaft 211 is set on driven member 21, is blocked up on 12 in tail and the second limit shaft 121 is set, by helical spring 31 both ends are set on the first limit shaft 211 and the second limit shaft 121, can play good limit to helical spring 31 Position effect, situations such as effectivelying prevent 31 run-off the straight of helical spring, shift, to improve the use reliability of helical spring 31 And stability；It since butterfly spring 32 is sleeved on helical spring 31, is influenced very big, thus is also improved by helical spring 31 The use reliability of butterfly spring 32；And compression space is reserved between the first limit shaft 211 and the second limit shaft 121, then It ensure that compressive deformation can occur in damping cavity for helical spring 31 and butterfly spring 32.

Further, the quantity of butterfly spring 32 is multiple, as shown in Fig. 3, Fig. 4 and Figure 11.

Using multiple butterfly springs 32, the rigidity of damper assembly 30 can be significantly improved, and then improves the resistance of damper 100 Damping properties；Meanwhile by the arrangement mode of the multiple butterfly springs 32 of reasonable Arrangement, it is capable of forming the damping group of a variety of different-stiffness Part 30 is conducive to the performance for optimizing different product, to expand the use of product convenient for meeting the different demands of different product Range.

Further, the axial overall length of multiple butterfly springs 32 in its natural state is less than helical spring 31 in nature Axial length under state, as in figs. 3 and 11.

The axial overall length of multiple butterfly springs 32 in its natural state is less than the axis of helical spring 31 in its natural state To length, then the initial stage that damper 100 works only has the compression of helical spring 31, and the rigidity of damper assembly 30 is equal to spiral shell at this time The rigidity of spring 31 is revolved, the active force or torque being able to bear are relatively smaller, the damping of damper 100 also relatively weak one A bit；When helical spring 31 is compressed to it is identical as the axial overall length of multiple butterfly springs 32 when, multiple butterfly springs 32 just start It being pressurized, the rigidity of damper assembly 30 is equal to the rigidity of helical spring 31 and the sum of the rigidity of multiple butterfly springs 32 at this time, thus The active force or torque being able to bear dramatically increase, and the damping of damper 100 also significantly improves.

In this way, the active force or torque that the initial stage is able to bear with later stage when damper 100 works are different, it is convenient for Meet the different demands of different product, to advanced optimize properties of product.Such as: washing machine closing lid is used for for damper 100 When process, the initial stage only has the compression of helical spring 31, and the damping of damper 100 is relatively weaker, and closing lid speed is opposite It is fast；Later stage helical spring 31 and butterfly spring 32 are pressurized simultaneously, and the damping of damper 100 is more relatively strong, Closing lid speed is more relatively slow, in this way on the basis of effectivelying prevent 200 fast ram body of door closure or crushing user's finger, It also helps and shortens the closing lid time, thus effectively increase the usage comfort of user.

Wherein, the inner conical surface of multiple butterfly springs 32 is towards driven member 21, as shown in Fig. 3, Fig. 8 and Figure 11.

The inner conical surface of multiple butterfly springs 32 towards driven member, i.e., multiple butterfly springs 32 towards identical, use It is parallel combination mode, and its inner conical surface is towards driven member 21, it may be assumed that positive arranged in parallel (i.e. AAAA ...), this arrangement side Formula is simple, and is able to bear biggish active force or torque.

Further, transmission component 20 further includes being at least partially seated in shell 10 and capable of moving with respect to shell 10 Driving link 22, as shown in figure 4, driven member 21 is matched with driving link 22, and opposite when driving link 22 is moved with respect to shell 10 Shell 10 slides.

Transmission component 20 further includes driving link 22, and driving link 22 is at least partially seated in shell 10 and can opposite shell 10 Movement, is easy to implement the cooperation of damper 100 Yu external structure, and then active force is transferred to driven member 21 and damper assembly 30, realize damping function；Meanwhile using the cooperation of driving link 22 and driven member 21, can expand damper 100 uses model It encloses, damper 100 is made to can be not only used for the structure of linear motion, can be used for the structure or other movements of rotary motion Structure.

Further, driving link 22 includes in shell 10 and can be relative to the rotation section 221 that shell 10 rotates, driven member 21 include the translation portion 212 matched with rotating member, as shown in Figure 3, wherein when rotation section 221 is rotated relative to shell 10, translation It slides with respect to shell 10 close to or far from rotation section 221 in portion 212.

Driving link 22 includes rotation section 221, and rotation section 221 is located in shell 10 and can rotate relative to shell 10, driven Part 21 includes translation portion 212, and translation portion 212 and rotation section 221 cooperate, and can convert straight line for the rotary motion of external structure Movement, and then damper assembly 30 is acted on, realize damping.In this way, damper 100 can be used for the structure of rotary motion, Such as the moving process of door for washing machine 200, and equally can be efficiently simple by the quantity and/or pattern that adjust butterfly spring 32 Ground adjusts the torque of damper 100, has very big application value for washing machine field.

Specifically, as shown in Figures 4 to 6, rotation section 221 and translation portion 212 are cam, the opposite side of two cams It is equipped with protrusion, sliding slot compatible with translation portion 212 is additionally provided in shell 10, driven member 21 limits in sliding slot, and can It slides axially along sliding slot；Wherein, raised phase interaction when rotation section 221 and shell 10 relatively rotate, on two cams With, make translation portion 212 far from or close to rotation section 221.

Translation portion 212 and rotation section 221 are cam, that is, are equipped with the wheel of protrusion, and protrusion is arranged in 212 He of translation portion The opposite side in rotation section 221, this makes two cams form dental inlay structure, in this way, rotation section 221 is by external force with respect to shell When body 10 rotates, also relatively rotating between translation portion 212, the protrusion on two cams can interact at this time, Make the active force for generating axial direction therebetween；Due to being equipped with sliding slot in shell 10, translation portion 212 can be along sliding slot axial direction Sliding, and rotation section 221 is generally fixedly linked with external structure (such as with the body of washing machine or door closure 200), cannot generate axis To movement, so translation portion 212 can be axially close to the direction movement of rotation section 221 or separate rotation section 221, this makes The contact area obtained between translation portion 212 and rotation section 221 can change, so as to avoid translation portion 212 and rotation section 221 Excessive wear causes the service life too low.

It is worth noting that rotation section 221 and translation portion 212 are cam, only show to occur between two cams It relatively rotates, not representing two cams must be cylindrical structure；And sliding slot can be the inner wall of shell 10 and enclose and set out Structure is also possible to the structure being additionally arranged in shell 10.Such as: the outside wall surface in translation portion 212 is square structure, such as Fig. 5 It is shown, it is adapted with the shape of the inner wall of shell 10, to prevent it from rotating relative to shell 10, but it is convex in translation portion 212 Rising can match with the protrusion on rotation section 221 and be relatively rotated, and convert the rotary motion of rotation section 221 to Linear motion；Alternatively, the outside wall surface in translation portion 212 is integrally circular configuration, but its outside wall surface is equipped with limit rib, limit rib It is matched with the sliding slot on shell 10, has not only limited translation portion 212 and rotated relative to shell 10, but also the sliding in translation portion 212 is played Guiding role.

Preferably, it is set on rotation section 221 there are two spaced protrusion, is respectively equipped with the first helicoid in two protrusions 2211 and second helicoid 2212, as shown in Figure 6；Two spaced protrusions also are provided in translation portion 212, in two protrusions It is respectively equipped with third helicoid 2121 and the 4th helicoid 2122, as shown in Figure 5.First helicoid 2211 and the second helicoid 2212 match with third helicoid 2121 and the 4th helicoid 2122 respectively, realize that translation portion 212 is opposite with rotation section 221 Rotation and relative movement.

Further, the side in rotation section 221 towards translation portion 212 is equipped with the first oil storage hole 223, as shown in fig. 6, flat The side of dynamic portion 212 towards rotation section 221 is equipped with the second oil storage hole 213, as shown in Figure 5.

First oil storage hole 223 is set in the side in rotation section 221 towards translation portion 212, while in 212 direction of translation portion The second oil storage hole 213 is arranged in the side of rotation section 221, and the first oil storage hole 223 and the second oil storage hole 213 can be used for storing lubrication Oil, to reduce the fretting wear between translation portion 212 and rotation section 221, not only improve extension damper 100 uses the longevity Life, and be conducive to improve the smooth degree of relative motion between rotation section 221 and translation portion 212, it is even stuck to reduce generation clamping stagnation Probability improve the usage experience of user to improve the use reliability of product.

Further, driving link 22 further includes connecting shaft 222, and as shown in Figures 3 to 6, shell 10 is equipped with and connecting shaft One end of 222 compatible axis holes, connecting shaft 222 is connected with rotation section 221, and the other end passes through axis hole and stretches out shell 10, such as Fig. 1 To shown in Fig. 3.

Driving link 22 further includes the connecting shaft 222 being connected with rotation section 221, and connecting shaft 222 passes through the axis hole on shell 10 Shell 10 is stretched out, convenient for being connected with external structure (door closure 200 or other structures of such as washing machine), to reduce the dress of product With difficulty.

Embodiment two

Difference with embodiment one is: the inner conical surface of multiple butterfly springs 32 deviates from driven member 21, as shown in Figure 9.

The inner conical surface of multiple butterfly springs 32 deviates from driven member 21, i.e., multiple butterfly springs 32 towards identical, use Be parallel combination mode, and its inner conical surface deviates from driven member 21, it may be assumed that reverse parallel connection is arranged (i.e. BBBB ...), this arrangement Mode is simple, and is able to bear biggish active force or torque.

Embodiment three

Difference with embodiment one is: the inner conical surface of two butterfly springs 32 of arbitrary neighborhood in the opposite direction, As shown in Figure 10.

The inner conical surface of multiple butterfly springs 32 in the opposite direction, i.e., the butterfly spring 32 of arbitrary neighborhood towards phase Instead, using tandem compound mode (i.e. ABABAB ...).

Certainly, the arrangement mode of multiple butterfly springs 32 is not limited to above-mentioned three kinds of situations, can also use other forms, Such as: AABBAA ..., AAABBBAAA ... etc. will not enumerate herein, since these embodiments can be realized this reality With novel purpose, and all without departing from the design philosophy and objective of the utility model, thus should all be in the protection of the utility model In range.

As shown in figure 12, the door closure component for washing machine that the embodiment of the utility model second aspect provides, comprising: Workbench 300, door closure 200 and at least one as any one of first aspect embodiment damper 100.

Specifically, workbench 300 defines clothing and places mouth 310；The lid of door closure 200 is located on workbench 300, and and work Make the rotation connection of platform 300, places mouth 310 to open or close clothing；Damper 100 is mounted on workbench 300 and door closure 200 At rotatable connecting portion, and the driven member 21 of damper 100 is matched with door closure 200, can be during door closure 200 is closed The damper assembly 30 of compression damper 100.

The door closure component that the embodiment of the utility model second aspect provides, because including any one of first aspect embodiment Damper 100, thus have any of the above-described embodiment possessed by all beneficial effects, details are not described herein.

Specifically, driven member 21 is matched with door closure 200, can door closure 200 close during compression damping component 30, thus the closing velocity of door closure 200 is reduced, it can either prevent 200 fast ram body of door closure from generating noise, and can prevent Door closure 200 crushes user's finger；And when uncapping, damper assembly 30 discharges elastic potential energy and occurs to reset deformation, is capable of providing certain Active force of uncapping, it is thus possible to reduce user application active force of uncapping, to improve the usage comfort of user.

The washing machine (not shown) that the embodiment of the utility model third aspect provides, comprising: fuselage and such as second The door closure component of aspect embodiment.

Wherein, fuselage defines accommodating chamber open at one end；Door closure component is mounted on the top of fuselage, and covers accommodating chamber Open end, and its clothing place mouth 310 be connected with accommodating chamber.

The washing machine that the embodiment of the utility model third aspect provides, because of the door closure group including second aspect embodiment Part, thus there are all beneficial effects possessed by any of the above-described embodiment, details are not described herein.

In any of the above-described embodiment, washing machine is rotary drum washing machine.

The specific of door closure component and its damper provided by the present application is described in detail below with reference to a specific embodiment Structure, and compared with the prior art.

Currently, there is a kind of power-assisted damper inside to use double-spring structure in the market.The damper when adjusting torque only Torque can be adjusted in turn by adjusting the rigidity of spring, and the rigidity of adjustment spring not only increases process but also increases cost, ten Divide inconvenience.In addition, this kind of damper in the market is after prolonged use, tail portion may be leaked due to being not connected firmly Oily phenomenon.How it is more convenient it is efficient adjustment damper torque and guarantee damper tail portion reliability, become and need One of solve the problems, such as.

Based on this, the utility model is for the feelings such as a kind of damper adjustment torque inconvenience, higher cost currently on the market Condition proposes a kind of improved power-assisted damper scheme.

Specifically, which includes shell, driving shaft (i.e. driving link), driven shaft (i.e. driven member), bullet Spring (i.e. helical spring), disc spring (i.e. butterfly spring), end pin (i.e. fixing axle) and tail are stifled.There is the work of damper inside the housing Chamber, pin shaft (i.e. connecting shaft) one end on driving shaft are pierced by the front end of damper working chamber, and one end of the other end and driving shaft is solid It is fixed, the other end of driving shaft and the end thereof contacts of driven shaft；There is the helicoid knot worked in coordination on driving shaft and driven shaft Structure, the other end of driven shaft and the end thereof contacts of spring；And spring then passes through several disc springs linearly placed, the other end and tail Stifled contact；Tail blocks up outer wall shape and the inner wall shape of working chamber matches, and tail is blocked up and cannot be rotated in the working chamber of damper； Shell and tail are blocked up and are tightened up by end pin；Driving shaft, driven shaft, spring and disc spring are all in the working chamber of damper.

Further, the driving shaft in the utility model patent includes the first helicoid, the second helicoid, remote in driving shaft One end center from pin shaft offers circular hole (i.e. the first oil storage hole), and the first helicoid and the second helicoid are located at circular hole Periphery；Driven shaft includes third helicoid, the 4th helicoid, offers circular hole (i.e. at the center of the one end cooperated with driving shaft Second oil storage hole), third helicoid and the 4th helicoid are located at circular hole periphery, and with the first helicoid and the second helicoid It works in coordination.Driving shaft and the circular hole of driven axis center are primarily to lubrication oil.

Power-assisted damper in the present embodiment, due to being equipped with the helicoid worked in coordination above driving shaft and driven shaft, when When having a conjunction torque to act on pin shaft, driving shaft is started turning, and is transferred torque to by the helicoid of driving shaft driven On axis, drives driven shaft to relatively rotate and moved along working chamber length direction.Since driven shaft one end is connected to spring, spring Forced compression.When decrement increases to driven shaft and disc spring contacts, disc spring starts to compress.When disc spring, spring and driven shaft three When horizontal direction force balances between person, driving shaft stops operating, entire power-assisted damper stress balance.

The structure of a spring and several disc springs is used inside the present embodiment, the internal diameter of disc spring is identical with spring major diameter.Dish Spring stacks use, and total length is shorter than the length of spring under natural conditions.When needing to adjust the torque of damper, by adjusting The quantity of disc spring can achieve the purpose that adjust damper torque, convenience and high-efficiency.Meanwhile the placement of disc spring can be using in the same direction Place (as shown in Figure 8), it is oppositely positioned (as shown in Figure 9) or it is forward and reverse placement (as shown in Figure 10) mode, this patent with For placing in the same direction.In the tail portion of damper, the shell of damper and end pin are fixed using the mode of end pin.In addition, in tail The tail end of pin uses annular knurl technique, increases the frictional force of end pin and shell, guarantees that damper will not go out after long-time use Existing oil leakage phenomenon, securely and reliably.

Compared with damper in the market, this patent can not only facilitate the torque for adjusting damper, can also keep hindering The durability and reliability of Buddhist nun's device, extend the service life of damper.

As shown in figure 11, the rigidity for remembering spring in the utility model patent is k1, under natural conditions disc spring top to spring The distance on top is M, and the rigidity of entire disc spring is k2, and the maximum compressibility of spring is N.It works for the previous period in damper, Only spring starts to compress, and rigidity is k1, and the torque that at this moment damper is born is not very greatly, when the torque that damper is subject to increases Greatly, amount of spring compression increases with it；When amount of spring compression increases to M, damper enters back segment working condition, and disc spring starts to press Contracting, at this moment entire disc spring and the conjunction rigidity of spring are exactly k1+k2, and the torque being able to bear also just increases, and entire spring and torsion The maximum compressibility of spring is exactly N.The utility model patent can adjust resistance by the rigidity of adjustment spring and the rigidity of disc spring The torque that leading portion and back segment when Buddhist nun's device works are able to bear.

In this way, the scheme using spring and disc spring that this patent provides, can easily and efficiently adjust the torque of damper； And after damper long-time use, the tail portion of damper still keeps leakproofness, is not in that oil leak, breakage etc. are existing As；And compared with power-assisted damper in the market, the utility model patent can be square by the rigidity of adjustment spring or disc spring Just the torque of each working stage of damper is adjusted.

Further, this patent can be used for a folding field, guarantee that door component can be closed automatically, such as applied to Washing machine field is used in the junction of door closure component and table assembly.

When the door closure component of washing machine just starts to fall, the leading portion process of damper is used in this, because of door closure at this time Component is shorter for the arm of force of damper, so torque is little.When door closure component will close, door closure component is to damper The arm of force increases, and torque increases with it, so damper back segment overall stiffness increases at this time, gives door closure component one opposite torsion Square guarantees that door closure component slowly falls, and prevents door closure component from rapidly falling to crush user, safety coefficient is high.In addition, In In door closure component opening procedure, damper plays the role of power-assisted again, reduces power needed for user is lifted up door closure component.By This, this patent can replace the torsional spring of identical effect, to reach identical purpose.

In conclusion damper provided by the utility model, stifled come connected with outer casing and tail using fixing axle, compared to fastening The connection types such as part can increase the contact area that shell and tail block up, to improve the connection reliability that shell and tail block up, reduce After prolonged use there is the probability of oil leakage phenomenon to damper in tail portion.

In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as Indication or suggestion relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain Justice.

In the description of the utility model, it is to be understood that term " on ", "lower", "left", "right", "front", "rear" etc. refer to The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and Simplify description, rather than the device or unit of indication or suggestion meaning there must be specific direction, with specific orientation construction And operation, it is thus impossible to be construed as a limitation of the present invention.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (12)

1. a kind of damper (100) characterized by comprising

Shell (10), the shell (10) include that the shell (11) of open at one end and tail block up (12), and the tail blocks up (12) and blocks institute It states the open end of shell (11) and is fixedly connected by fixing axle (13) with the shell (11)；

Transmission component (20), including the driven member (21) being located in the shell (10), the driven member (21) and the tail are stifled (12) limit damping cavity between, and the driven member (21) can the relatively described shell (10) along stifled close to or far from the tail (12) direction moves back and forth；

Damper assembly (30), is mounted in the damping cavity, and bullet can occur with the reciprocating motion of the driven member (21) Property deformation.

2. damper (100) according to claim 1, which is characterized in that

The shape of the inner wall of the open end of the shell (11) is adapted with the shape for the outside wall surface that the tail blocks up (12), described Tail blocks up the open end that (12) are inserted into the shell (11) and block the shell (11), and the cross section of the tail stifled (12) is It is non-circular, (12) are blocked up relative to the shell (11) rotation to limit the tail.

3. damper (100) according to claim 2, which is characterized in that

The shell (11) is equipped with the first connecting hole (111), and the tail blocks up (12) and is equipped with the second connecting hole (122), described Fixing axle (13) be inserted into first connecting hole (111) and second connecting hole (122) and with first connecting hole (111) And the second connecting hole (122) tight fit, so that the tail is blocked up (12) and is fixedly connected with the shell (11).

4. damper (100) according to claim 3, which is characterized in that

The fixing axle (13) includes the first shaft part (131), the second shaft part (132) and third shaft part (133) being sequentially connected, institute It states the first shaft part (131) and the third shaft part (133) is located in first connecting hole (111) and respectively with described the One connecting hole (111) tight fit, second shaft part (132) are located in second connecting hole (122) and connect with described second Connect hole (122) tight fit.

5. damper (100) according to claim 4, which is characterized in that

Glide direction of the fixing axle (13) perpendicular to the driven member (21).

6. damper (100) according to any one of claim 1 to 5, which is characterized in that

The position that the fixing axle (13) contacts with the shell (10) is at least partly equipped with rough layer.

7. damper (100) according to claim 6, which is characterized in that

It include the first shaft part (131), the second shaft part (132) and third shaft part being sequentially connected for the fixing axle (13) (133) the case where, the rough layer are arranged in the outside wall surface of first shaft part (131)；And/or

The rough layer is the flower-pattern layer of annular knurl technological forming.

8. damper (100) according to any one of claim 1 to 5, which is characterized in that

The tail, which blocks up, is equipped with sealing element between (12) and the shell (11)；And/or

The quantity of the fixing axle (13) is multiple.

9. damper (100) according to any one of claim 1 to 5, which is characterized in that

The damper assembly (30) includes helical spring (31) and the butterfly spring that is sleeved on the outside of the helical spring (31) (32), the both ends of the helical spring (31) block up (12) with the driven member (21) and the tail respectively and are engaged.

10. damper (100) according to claim 9, which is characterized in that

The driven member (21) is equipped with the first limit shaft (211), and the tail blocks up (12) and is equipped with the second limit shaft (121), described The both ends of helical spring (31) are set on first limit shaft (211) and second limit shaft (121), and described There are compression spaces between first limit shaft (211) and second limit shaft (121).

11. a kind of door closure component for washing machine characterized by comprising

Workbench (300), the workbench (300) define clothing and place mouth (310)；

Door closure (200), lid are located on the workbench (300), and are rotatablely connected with the workbench (300), to play on or off It closes the clothing and places mouth (310)；With

At least one damper (100) as described in any one of claims 1 to 10, be mounted on the workbench (300) with At the rotatable connecting portion of the door closure (200), and the driven member (21) of the damper (100) and the door closure (200) phase Cooperation can compress the damper assembly (30) of the damper (100) during the door closure (200) are closed.

12. a kind of washing machine characterized by comprising

Fuselage, the fuselage define accommodating chamber open at one end；With

Door closure component as claimed in claim 11, is mounted on the top of the fuselage, and cover the open end of the accommodating chamber, And its clothing places mouth (310) and is connected with the accommodating chamber.