CN113638195A - Suspender component and washing machine - Google Patents
Suspender component and washing machine Download PDFInfo
- Publication number
- CN113638195A CN113638195A CN202010391888.1A CN202010391888A CN113638195A CN 113638195 A CN113638195 A CN 113638195A CN 202010391888 A CN202010391888 A CN 202010391888A CN 113638195 A CN113638195 A CN 113638195A
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- Prior art keywords
- damping
- sleeve
- spring seat
- suspension rod
- cylinder
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- 238000005406 washing Methods 0.000 title claims abstract description 67
- 238000013016 damping Methods 0.000 claims abstract description 175
- 239000000725 suspension Substances 0.000 claims description 80
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 239000013013 elastic material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000035939 shock Effects 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 239000004519 grease Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a suspender component and a washing machine, wherein the suspender component comprises a suspender and a damping device arranged on the suspender, the damping device comprises an upper spring seat, a lower spring seat and a spring, the spring is sleeved on the suspender and is arranged between the upper spring seat and the lower spring seat, the lower spring seat is relatively fixedly arranged with the bottom end of the suspender, one side of the upper spring seat far away from the spring is provided with a damping module, the damping module comprises a damping strip and an upper bracket, the upper spring seat and the upper bracket are relatively fixedly arranged at least in the axial direction of the suspender and are used for clamping the damping strip between the upper spring seat and the upper bracket. The friction damping force and the elastic damping force in the suspender component are generated in a matching way, so that the damping force generated by the suspender component is more stable and has better durability.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a suspender assembly and a washing machine.
Background
When the full-automatic washing machine is in dehydration starting and dehydration operation, the outer barrel can rock or swing along with the starting of the motor, so that larger vibration and noise are formed. Therefore, in order to weaken the vibration and noise of the washing machine during dehydration, the conventional full-automatic washing machine is generally provided with a damping device, one end of the damping device is hung on a box body of the washing machine, the other end of the damping device is hung on a hanging seat of an outer barrel of the washing machine, a damping spring is arranged in the damping device, and when the outer barrel shakes or swings, the damping device relieves the eccentricity of the outer barrel through the buffering effect of the damping spring, so that the aim of damping is fulfilled. However, with the development of the washing machine, when the eccentricity of the washing machine is large, the shaking and swinging of the outer tub cannot be effectively prevented only by the damping action of the damping spring.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a suspender assembly, aiming at enabling the generated damping force to have better durability and effectively reducing the vibration noise of a washing machine.
It is another object of the present invention to provide a washing machine including a hanger assembly as described above.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a suspender component, includes the jib and sets up damping device on the jib, damping device includes spring holder, lower spring holder and spring, the spring housing is established set up in on the jib go up the spring holder with down between the spring holder, down the spring holder with the bottom relatively fixed of jib sets up, it keeps away from to go up the spring holder one side of spring is equipped with damping module, damping module includes damping strip and last bracket, go up the spring holder with go up the bracket and be in at least the axial of jib is relative fixed to be set up, be used for with damping strip centre gripping go up the spring holder with go up between the bracket.
Further, in the above-mentioned case,
the upper spring seat comprises a first cylinder and a second cylinder which are connected up and down, the first cylinder and the second cylinder are sleeved on the suspension rod, the inner diameter of the first cylinder is larger than that of the second cylinder, and the interior of the first cylinder is matched with the suspension rod to form an accommodating cavity for accommodating the damping strip;
preferably, one end of the first cylinder is provided with an annular folded edge, and one side end face of the annular folded edge is abutted to the spring;
preferably, the first cylinder and/or the second cylinder are/is provided with reinforcing ribs on the outer portion.
Further, in the above-mentioned case,
the upper bracket comprises a ring-shaped supporting sheet and a plurality of damping blocks which are arranged on one side of the ring-shaped supporting sheet and distributed along the inner ring of the ring-shaped supporting sheet, the damping blocks are positioned in the accommodating chamber, an elastic groove is formed between every two adjacent damping blocks, and a through hole which is positioned in the center and used for the suspension rod to pass through is formed between the damping blocks;
preferably, the upper spring seat and the upper bracket are in interference fit with the damping strip;
preferably, the damping strip is made of elastic material;
preferably, the end surface of the side of the annular supporting sheet opposite to the damping block is inclined from the suspension rod to the direction of the damping block along the radial direction, and the end surface of the other side of the annular supporting sheet abuts against the annular folded edge.
Further, in the above-mentioned case,
and the side wall of the outer side of at least one damping block is provided with a clamping jaw or a clamping buckle, and the side wall of the inner side of the containing cavity is provided with a clamping buckle or a clamping jaw corresponding to the clamping jaw or the clamping buckle.
Further, in the above-mentioned case,
the lower spring seat comprises a bottom support and a sleeve, the bottom end of the hanging rod is connected with the bottom support, the sleeve is sleeved on the hanging rod, the bottom support and the sleeve are axially and relatively fixedly arranged on the hanging rod, and the upper spring seat, the damping strip and the upper bracket are sequentially sleeved outside the sleeve from bottom to top.
Further, in the above-mentioned case,
the bottom support comprises a supporting seat and a connecting pipe fixedly connected with the supporting seat, a through hole for the suspension rod to pass through is formed in the centers of the supporting seat and the connecting pipe, the bottom end of the suspension rod is fixedly connected with the supporting seat, and the sleeve and the connecting pipe are relatively fixedly arranged at least in the axial direction of the suspension rod;
preferably, the support seat and the connecting pipe are integrally formed.
Further, in the above-mentioned case,
the inner diameter of the end part of the sleeve connected with the connecting pipe is at least larger than the outer diameter of the connecting pipe, and the end part of the sleeve is sleeved outside the connecting pipe and is riveted with the connecting pipe.
Further, in the above-mentioned case,
the end of the sleeve far away from the connecting pipe is provided with a guide pipe, and the guide pipe is sleeved on the suspender and is relatively fixed with the sleeve at least in the axial direction of the suspender.
Further, in the above-mentioned case,
the inner diameter of the end part of the sleeve connected with the guide pipe is larger than the outer diameter of the guide pipe, the guide pipe is nested and clamped between the sleeve and the suspender, and the sleeve is riveted with the guide pipe.
A washing machine comprising a hanger assembly as described above.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The spring arranged between the lower spring seat and the upper spring seat is compressed to generate elastic damping force, meanwhile, the upper spring seat sleeved on the suspension rod, the upper bracket fixedly connected with the upper spring seat and the damping strip clamped by the upper bracket slide relative to the suspension rod, the upper spring seat, the upper bracket and the part where the damping strip is in contact friction with the suspension rod generate frictional damping force, and the frictional damping force is matched with the elastic damping force generated by the compressed spring to enable the damping force generated by the suspension rod assembly to be more stable and have better durability.
2. The upper bracket is fixedly connected with the upper spring seat, the damping strip is clamped between the upper bracket and the upper spring seat, when the washing barrel shakes or swings, eccentric force directly acts on the upper bracket and the upper spring seat, when the washing barrel shakes or swings greatly, the generated eccentric force is larger, and the damping block of the upper bracket is positioned in the accommodating cavity of the upper spring seat, so that the eccentric force can be further transmitted to the upper spring seat through the damping block, the damping strip and the suspension rod are clamped between the upper bracket and the upper spring seat to jointly squeeze and rub to generate sliding damping force, and the damping effect is further improved.
3. According to the invention, the sleeve is sleeved outside the suspender, the sleeve and the bottom support form the lower spring seat for supporting the spring, the upper bracket, the damping strip and the upper spring seat are sleeved outside the sleeve, when the spring is compressed, the upper bracket, the upper spring seat and the damping strip clamped between the upper bracket and the upper spring seat slide relative to the sleeve, so that the friction area between the damping strip and the sleeve is greatly higher than that between the damping strip and the suspender, and the frictional damping force generated between the damping strip and the sleeve is more stable.
4. The damping strip provided by the invention does not directly rub with the suspension rod to generate damping force, but rubs with the outer wall of the sleeve to generate damping force, so that the material of the sleeve only needs to be designed into a wear-resistant material, the requirement on the material of the suspension rod is lower, the sleeve only needs to be ensured to have the characteristics of difficult deformation, high surface finish and the like, and the cost of the suspension rod assembly is reduced.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic illustration of the construction of the boom assembly of the present invention;
FIG. 2 is a front view of the boom assembly of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is a schematic view of the explosive connection of the upper bracket, upper spring seat, and damping strip;
FIG. 6 is a cross-sectional view of the explosive connection of the upper bracket, upper spring seat, and damping strip;
fig. 7 is a cross-sectional view of the lower spring seat.
In the figure: 10. a boom; 20. a spring; 30. a lower spring seat 30; 31. a bottom support; 311. a supporting seat; 312. a connecting pipe; 32. a sleeve; 33. a reinforcing structure; 40. an upper spring seat 40; 41. a housing chamber; 42. a first cylinder; 43. a second cylinder; 44. annularly folding; 45. reinforcing ribs; 50. an upper bracket; 51. an annular support sheet; 52. a damping block; 53. an elastic groove; 60. a damping strip; 70. a claw; 80. buckling; 90. a shock pad; 100. a waterproof member; 101. a waterproof ring; 102. a waterproof edge; 110. a lifting rod seat.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7, the present invention provides a suspension rod assembly, which includes a suspension rod 10 and a shock absorbing device disposed on the suspension rod 10, wherein the shock absorbing device includes an upper spring seat 40 and a lower spring seat 30, a spring 20 disposed between the upper spring seat 40 and the lower spring seat 30 and sleeved on the suspension rod 10, a damping module is disposed on a side of the upper spring seat 40 away from the spring 20, the damping module includes a damping bar 60 and an upper bracket 50, and the upper spring seat 40 and the upper bracket 50 are relatively fixedly disposed at least in an axial direction of the suspension rod 10, and are configured to clamp the damping bar 60 between the upper spring seat 40 and the upper bracket 50.
It should be noted that a washing tub (not shown) of a washing machine (not shown) is connected to a cabinet (not shown) by a plurality of hanger assemblies having a damping characteristic, and generally, an upper end of the hanger 10 is connected to the cabinet of the washing machine, and the upper bracket 50 is connected to the washing tub. The hanger rod assembly bears the weight of the washing tub of the washing machine and absorbs the impact energy of the washing tub produced during washing and dewatering to ensure the stable operation of the washing machine.
In detail, in some embodiments of the present invention, as shown in fig. 1 to 4, one end of the spring 20 abuts against the upper spring seat 40, and the other end abuts against the lower spring seat 30, when vibration is generated during operation of the washing machine, the suspension rod 10 drives the lower spring seat 30 to move upwards, and the upper spring seat 40 moves downwards under the action of the washing tub, that is, the distance between the lower spring seat 30 and the upper spring seat 40 is reduced, the spring 20 disposed between the lower spring seat 30 and the upper spring seat 40 is compressed, damping force is generated, impact energy generated by the vibration to the washing machine is absorbed, meanwhile, the upper spring seat 40 sleeved on the suspension rod 10, the upper bracket 50 fixedly connected to the upper spring seat 40, and the damping bar 60 clamped by the upper bracket and the upper bracket are slid relative to the suspension rod 10 together, and the upper bracket 40, the upper bracket 50, and the part where the damping bar 60 and the suspension rod 10 contact and rub each other, it makes the damping force that the jib subassembly produced more stable with the elastic damping force cooperation that spring 20 was compressed the production, and the durability is better, especially to the washing machine of large capacity, can effectively reduce washing machine's vibration noise, is favorable to washing machine's even running, provides the laundry experience of silence washing better for the user.
In some embodiments of the present invention, as shown in fig. 1 to 6, the upper spring seat 40 includes a first cylinder 42 and a second cylinder 43 connected up and down, an inner diameter of the first cylinder 42 is larger than an inner diameter of the second cylinder 43, and an inner portion of the first cylinder 42 forms a receiving chamber 41 for receiving the damping bar 60 in cooperation with the suspension rod 10;
preferably, an annular flange 44 is arranged at one end of the first cylinder 42, and one side end face of the annular flange 44 abuts against the spring;
preferably, the first cylinder 42 and/or the second cylinder 43 are provided with a reinforcing rib 45 on the outside.
Preferably, the damping strip 60 is an interference fit with the first cylinder 42.
In the above scheme, the first cylinder 42 and the second cylinder 43 are sleeved on the suspension rod 10, and the inner diameter of the first cylinder 42 is larger than the inner diameter of the second cylinder 43, so that the joint of the first cylinder 42 and the second cylinder 43 forms a step-shaped structure, and thus, an accommodating space for accommodating the damping bar 60 is formed between the inside of the first cylinder 42 and the suspension rod 10 in a matching manner, and the upper bracket 50 and the upper spring seat 40 can conveniently clamp the damping bar 60 to slide together.
Further, the upper bracket 50 includes a ring-shaped supporting plate 51 and a plurality of damping blocks 52 disposed at one side of the ring-shaped supporting plate 51 and distributed along an inner ring thereof, the plurality of damping blocks 52 are located in the accommodating chamber 41, an elastic groove 53 is provided between two adjacent damping blocks 52, and a through hole is formed between the plurality of damping blocks 52 at the center for the suspension rod 10 to pass through;
preferably, the upper spring seat 40 and the upper bracket 50 are in interference fit with the damping strip 60;
preferably, the damping strip 60 is an elastic material;
preferably, an end surface of the annular support piece 51 opposite to the damper block 52 is inclined in a radial direction from the suspension rod 10 toward the damper block 52, and the other end surface abuts against the annular flange 44.
In the above solution, the suspension rod 10 of the present embodiment is simultaneously sleeved with the upper spring seat 40 and the upper bracket 50, and the damping bar 60 clamped between the upper spring seat 40 and the upper bracket 50, and the upper spring seat 40, the upper bracket 50, and the damping bar 60 are mounted in the following manner for the three to generate good sliding damping: as shown in fig. 4 to 6, the upper bracket 50 includes a supporting ring 51 and a plurality of damping blocks 52 disposed at one side of the supporting ring 51 and distributed along an inner ring thereof, the plurality of damping blocks 52 are located in the accommodating chamber 41, an elastic groove 53 is formed between two adjacent damping blocks 52, and a through hole is formed between the plurality of damping blocks 52 and centrally located for the suspension rod 10 to pass through.
Because the upper bracket 50 and the upper spring seat 40 of the embodiment are relatively fixedly connected in the axial direction of the suspension rod 10, and the damping strip 60 is clamped between the upper bracket 50 and the upper spring seat 40, when the washing barrel shakes or swings, the eccentric force directly acts on the upper bracket 50 and the upper spring seat 40, when the washing barrel shakes or swings greatly, the generated eccentric force is larger, and because the damping block 52 of the upper bracket 50 is positioned in the accommodating chamber 41 of the upper spring seat 40, the eccentric force can be further transmitted to the upper spring seat 40 by the damping block 52, the upper bracket 50 and the upper spring seat 40 clamp the damping strip 60 and the suspension rod 10 to generate sliding damping force by common extrusion friction, and the damping effect is further increased.
Preferably, an end surface of the annular support piece 51 opposite to the damping block 52 is inclined in a radial direction from the suspension rod 10 toward the spring 20 to have an umbrella-shaped structure. This arrangement facilitates the transmission of the eccentric force from the upper bracket 50 to the upper spring seat 40.
Further, since the damping mass 52 and the damping strips 60, which serve as main friction, are accommodated in the accommodating chamber 41 in the first cylinder 42, for example, to enhance the strength of the first cylinder 42 and/or the second cylinder 43, a plurality of reinforcing ribs 45 are provided outside the first cylinder 42 and/or the second cylinder 43, and the plurality of reinforcing ribs 45 are provided on the outer sidewall of the first cylinder 42 from top to bottom in the circumferential direction, preferably, the plurality of reinforcing ribs 45 are uniformly provided.
The height of the reinforcing ribs 45 arranged on the first cylinder 42 protruding outwards from the outer side wall of the first cylinder 42 is basically the same, and the height of the reinforcing ribs 45 arranged on the second cylinder 43 protruding outwards from the outer side wall of the second cylinder 43 is gradually reduced from top to bottom, i.e. the reinforcing ribs 45 arranged on the second cylinder 43 are in a wedge shape.
In the above scheme, the upward end of the first cylinder 42 is provided with the annular flange 44, one end surface of the annular flange 44 abuts against the annular support sheet 51, the other end surface abuts against the spring, the outer edge of the annular flange 44 is matched with the outer edge of the annular support sheet 51, when the eccentric force of the washing tub acts on the upper bracket 50, part of the eccentric force is transmitted to the annular flange 44 from the annular support sheet 51, and the annular flange 44 compresses the spring.
Further, as shown in fig. 5 and 6, a catch 70 or a catch 80 is disposed on an outer side wall of at least one damping block 52, and a catch 80 or a catch 70 corresponding to the catch 70 or the catch 80 is disposed on an inner side wall of the accommodating chamber 41.
In the above-described aspect, the snap 80 or the claw 70 is provided on the inner sidewall of the receiving chamber 41 of the upper spring seat 40 on the side toward the upper bracket 50, the pawl 70 or the buckle 80 is arranged on the outer side wall of the damping block 52 positioned in the accommodating chamber 41, the buckle 80 on the inner side wall of the accommodating chamber 41 is matched with the pawl 70 or the buckle 80 on the outer side wall of the damping block 52, so that the upper bracket 50 and the upper spring seat 40 are clamped with the pawl 70 through the buckle 80, the fixed connection of the upper bracket 50 and the upper spring seat 40 is realized, when spring 20 is compressed, upper spring seat 40, together with upper bracket 50, clamps damping bar 60 to slide relative to hanger rod 10, effectively reducing the wobbling and swinging of the washing tub, especially, the washing machine with large capacity can play a better shock absorption effect, so that the washing machine can keep quiet and stable dehydration starting and running, and a better washing experience of quiet washing is provided for a user.
In the above scheme, the characteristics of the structures of the upper spring seat 40 and the upper bracket 50 are utilized to realize the fixed connection between the upper spring seat 40 and the upper bracket 50, so that the connection by using a fastener after the holes are formed in the upper spring seat 40 and/or the upper bracket 50 is avoided, the integrity of the structure is damaged, and the strength of the upper spring seat and the strength of the upper bracket are improved.
Preferably, the damping strip 60 is an annular friction plate, and an end surface of one end of the damping strip 60 abuts against an end surface of the damping block 52, and an end surface of the other end abuts against a bottom wall of the accommodating chamber 41; further, the damping bar 60 is in an interference fit with the upper spring seat 40 and the upper bracket 50.
Preferably, the damping strip 60 is an elastic material.
In the above solution, the damping bar 60 is in an interference fit with the upper spring seat 40 and the upper bracket 50, that is, the damping bar 60 is tightly clamped between the upper spring seat 40 and the upper bracket 50, when the spring 20 is compressed, the upper spring seat 40 and the upper bracket 50 slide together relative to the suspension rod 10, and the damping bar 60 clamped between the upper spring seat 40 and the upper bracket 50 also rubs against the suspension rod 10 to generate sliding damping, so that the suspension rod assembly of the present invention can play a better damping role for large capacity washing machines, so that the washing machine can maintain quiet and stable dewatering start and operation, and provide a better washing experience of quiet washing for users.
Preferably, the damping strip 60 of the present invention is made of an elastic material with strong elasticity, a rubber material with a higher damping coefficient can be used, and the damping strip 60 with corresponding specification can be selected as required to meet the requirements of sliding damping. Further, the damping bar 60 may be provided with grease, and at least a portion of the damping bar 60 in frictional contact with the suspension rod 10 is coated with grease or lithium grease for damping, so as to further increase the damping force between the damping bar 60 and the suspension rod 10.
In some embodiments of the present invention, as shown in fig. 1 to 7, the lower spring seat 30 includes a bottom base 31 and a sleeve 32 fixedly connected to the bottom base 31, the bottom end of the suspension rod 10 is connected to the bottom base 31, the sleeve 32 is sleeved on the suspension rod 10, and the upper spring seat 40, the damping strip 60 and the upper bracket 50 are sequentially sleeved outside the sleeve 32 from bottom to top.
In the foregoing embodiments of the present invention, the vibration reduction and noise reduction of the washing machine are mainly realized by the vibration reduction of the vibration reduction spring 20 and the damping force generated by the damping bar 60 directly rubbing the suspension rod 10, and the frictional contact area between the damping bar 60 and the suspension rod 10 is small, so that the pressure applied to the suspension rod 10 is large to obtain a large damping force, and the requirements on the materials of the suspension rod 10 and the damping bar 60 are very high, which is not favorable for reducing the cost of the suspension rod assembly.
In this embodiment, the sleeve 32 is sleeved outside the suspension rod 10, the sleeve 32 and the base plate 31 together form the lower spring seat 30 for supporting the spring 20, the upper bracket 50, the damping strip 60 and the upper spring seat 40 are sleeved outside the sleeve 32, when the spring 20 is compressed, the upper bracket 50, the upper spring seat 40 and the damping strip 60 clamped therebetween slide relatively to the sleeve 32, so that the friction area between the damping strip 60 and the sleeve 32 is greatly higher than the friction area between the damping strip 60 and the suspension rod 10, the frictional damping force generated between the damping strip 60 and the sleeve 32 is more stable, further, the damping strip 60 of the present invention does not directly rub against the suspension rod 10 to generate the damping force, but rubs against the outer wall of the sleeve 32 to generate the damping force, therefore, the material of the sleeve 32 only needs to be designed as a wear-resistant material, so that the requirement on the material of the suspension rod 10 in the present invention is low, only the sleeve 32 is required to be ensured to have the characteristics of difficult deformation, high surface finish and the like, so that the cost of the suspender component is reduced.
Further, as shown in fig. 7, the shoe 31 includes a supporting seat 311 and a connecting tube 312 fixedly connected to the supporting seat 311, the centers of the supporting seat 311 and the connecting tube 312 have a through hole for the suspension rod 10 to pass through, the bottom end of the suspension rod 10 is fixedly connected to the supporting seat 311, and the sleeve 32 and the connecting tube 312 are relatively fixedly disposed at least in the axial direction of the suspension rod 10;
preferably, the supporting seat 311 is integrally formed with the connecting tube 312.
This embodiment sets up spring holder 30 down into upper and lower two part fixed connection's components of a whole that can function independently structure, only needs to make with damping strip 60 sliding friction's superstructure, and the material of sleeve pipe 32 is preferably the higher alloy material of intensity promptly, and its wear resistance is higher, stability is better, further promotes the quality performance of jib subassembly, reduces jib subassembly's cost.
Preferably, the diameter of at least the end of the sleeve 32 connected to the connecting pipe 312 is larger than the diameter of the connecting pipe 312, and the end of the sleeve 32 is sleeved on the outside of the connecting pipe 312 and riveted with the connecting pipe 312.
In detail, the supporting seat 311 is a disc-shaped structure, the center of the supporting seat is provided with a through hole for the suspension rod 10 to pass through, one side of the upper end surface of the supporting seat 311 is provided with a connecting pipe 312 which is integrally formed with the supporting seat 311, the central through hole of the connecting pipe 312 and the through hole of the supporting seat 311 have the same axial lead, the bottom end of the suspension rod 10 passes through the through holes of the connecting pipe 312 and the supporting seat 311 and then is connected with the lower end surface of the supporting seat 311, and when the washing barrel shakes or swings, the bottom end of the suspension rod 10 drives the bottom support 31 to move together; the sleeve 32 is an independent structure, the through hole of the sleeve 32 has the same axial lead with the connecting pipe 312 and the supporting seat 311, the sleeve 32 is fixedly connected with the connecting pipe 312, when the spring 20 is compressed, the bottom end of the suspender 10 drives the bottom support 31 to move together, and simultaneously drives the sleeve 32 to move upwards, so that the damping strip 60 sleeved on the sleeve 32 slides relative to the sleeve 32, and sliding damping force is generated, under the action of elastic damping force of the spring 20 and sliding friction damping force between the damping strip 60 and the sleeve 32, impact energy generated in the washing and dewatering processes of the washing bucket is absorbed, so that the damping force generated by the suspender component is more stable, the durability is better, the vibration noise of the washing machine can be effectively reduced, and the stable operation of the washing machine is facilitated. In the invention, the diameter of at least the end part of the sleeve 32 connected with the connecting pipe 312 is larger than that of the connecting pipe 312, the end part of the sleeve 32 is sleeved outside the connecting pipe 312 and riveted with the connecting pipe 312, and the fixing mode is simple and easy to realize.
The bottom end of the suspension rod 10 of the present invention is connected to the supporting seat 311, and when the washing tub sways or swings, the bottom end of the suspension rod 10 drives the bottom support 31 to move upward, therefore, in order to enhance the strength of the bottom support 31, a plurality of reinforcing structures 33 for enhancing the strength are disposed on the connecting tube 312, as shown in fig. 7, the reinforcing structures 33 are sheet structures protruding out of the surface of the connecting tube 312, the plurality of reinforcing structures 33 are uniformly disposed around the connecting tube 312, and the reinforcing structures 33 are formed by the supporting seat 311 extending upward along the axial direction of the connecting tube 312 toward the end surface of one side of the spring 20.
Further, a guide tube is arranged at one end of the sleeve 32 far away from the connecting tube 312, and the guide tube is sleeved on the suspension rod 10 and fixedly connected with the sleeve 32. The inner diameter of the end part of the sleeve 32 connected with the guide pipe is larger than the outer diameter of the guide pipe, the guide pipe is nested and clamped between the sleeve 32 and the suspender 10, and the sleeve 32 is riveted with the guide pipe.
Preferably, the guide tube is in interference fit with the hanger bar 10, and the sleeve 32 is riveted with the guide tube.
In the above-described solution, since the diameter of the sleeve 32 is larger than that of the connection pipe 312, the sleeve 32 does not directly contact the hanger bar 10, a gap exists between the sleeve 32 and the hanger bar 10 so that, when the spring 20 is compressed, when the bottom end of the suspension rod 10 drives the bottom support 31 to move together, the sleeve 32 is also driven to move upwards, so that when the upper spring seat 40, the damping strip 60 and the upper bracket 50 which are sleeved on the sleeve 32 slide relative to the sleeve 32, in order to prevent the suspension rod 10 from shaking in the sleeve 32 and affecting the damping effect of the suspension rod assembly, and simultaneously prevent the noise caused by the shaking of the suspension rod 10 and the sleeve 32, a guide tube is provided at the end of the sleeve 32 remote from the connection tube 312, with the guide tube being nestingly sandwiched between the sleeve 32 and the hanger bar 10, such that, when the lower spring seat 30 is moved upward as a whole, the boom 10 is moved under the guide of the guide pipe without the occurrence of the wobbling of the boom 10 in the casing 32.
Further, the guide tube provides some reinforcement to the sleeve 32 in addition to guiding the hanger bar 10.
Furthermore, grease can be filled at the contact part of the guide pipe and the suspension rod 10 and the contact part of the guide pipe and the sleeve 32, so that water is prevented from entering between the sleeve 32 and the suspension rod 10, abnormal sound is generated, and the damping effect of the suspension rod assembly is even affected.
In some embodiments of the present invention, as shown in fig. 1 to 3, a shock absorbing pad 90 is sleeved on the sleeve 32, and the shock absorbing pad 90 is disposed on a side of the upper bracket 50 away from the spring and movably connected to the sleeve 32.
In the hanger bar assembly of the present invention, the upper end of the hanger bar 10 is connected to the cabinet of the washing machine, and the upper bracket 50 is connected to the washing tub. In order to further increase the damping effect of the hanger rod assembly, a damping pad 90 is arranged between the upper bracket 50 and the washing tub, the damping pad 90 is also sleeved outside the sleeve 32 and movably connected with the sleeve 32, when the washing tub shakes or swings, the eccentric force of the washing tub directly acts on the damping pad 90, and then the damping pad 90 transmits the eccentric force to the upper spring seat 40.
In some embodiments of the present invention, as shown in fig. 1 to 3, a waterproof member 100 is sleeved on the suspension rod 10, and the waterproof member 100 is fixedly connected to the suspension rod 10 and disposed on a side of the casing 32 away from the spring for preventing water from entering the casing 32 and/or the accommodating chamber 41;
preferably, the waterproof member 100 includes a waterproof ring 101, and an end surface of the waterproof ring 101 near one side of the casing 32 is provided with a waterproof edge 102 folded outwards, and the waterproof edge 102 is inclined from the hanger bar 10 to the casing 32 in a radial direction.
In the above-mentioned solution, since the plurality of components generating the damping force of the present invention generate the damping force by friction with the sleeve 32 fitted outside the suspension rod 10, instead of directly contacting and rubbing with the suspension rod 10, in order to prevent water from entering between the sleeve 32 and the suspension rod 10 or water from entering into the accommodating chamber 41 of the upper spring seat 40, thereby generating abnormal noise or causing the damping force to fail, the waterproof member 100 is provided at the upper end of the sleeve 32 for preventing water from entering into the sleeve 32 and/or the accommodating chamber 41.
In detail, waterproof 100 includes waterproof ring 101, and waterproof ring 101 cover is established on jib 10, and between jib 10 zonulae occludens, waterproof ring 101 is close to a side end face of sleeve 32 is equipped with the waterproof edge 102 of turning over outwards, waterproof edge 102 certainly jib 10 is along radial to sleeve 32 direction slope presents the umbrella structure, and waterproof edge 102's outer fringe should cover sleeve 32's upper end at least, is favorable to water along waterproof 102 landing of following, avoids the water to get into sleeve 32 and/or hold chamber 41.
In order to increase the service life of the flashing 100, the flashing 100 is made of a flashing material, preferably the flashing 100 is made of a stainless steel material.
The hanger bar assembly of the present invention further comprises a hanger bar base 110 fixedly installed at an upper end of the hanger bar 10, and the hanger bar base 110 is hung at an upper portion of a cabinet of the washing machine. A gasket is additionally arranged between the hanging rod seat 110 and the box body of the washing machine, so that the damping effect is increased.
The invention also provides a washing machine with the suspender assembly. The washing machine with the hanger rod assembly can keep quiet and stable dehydration starting and running, realizes silent washing, further reduces the cost of the washing machine, and improves the quality performance of the washing machine. In the scheme, the plurality of parts generate force together to generate the sliding damping force, so that the damping force of the suspender assembly is more stably generated, the durability is better, the influence of the ambient temperature, the humidity and the like is smaller, the vibration noise of the washing machine can be effectively reduced, and the user experience of the washing machine is improved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a suspender component, includes the jib and sets up damping device on the jib, damping device includes spring holder, lower spring holder and spring, the spring housing is established set up in on the jib go up the spring holder with between the lower spring holder, its characterized in that:
the lower spring seat and the bottom end of the suspension rod are relatively fixedly arranged, one side, away from the spring, of the upper spring seat is provided with a damping module, the damping module comprises a damping strip and an upper bracket, the upper spring seat and the upper bracket are at least relatively fixedly arranged in the axial direction of the suspension rod and used for clamping the damping strip between the upper spring seat and the upper bracket.
2. A boom assembly as claimed in claim 1, wherein:
the upper spring seat comprises a first cylinder and a second cylinder which are connected up and down, the first cylinder and the second cylinder are sleeved on the suspension rod, the inner diameter of the first cylinder is larger than that of the second cylinder, and the interior of the first cylinder is matched with the suspension rod to form an accommodating cavity for accommodating the damping strip;
preferably, one end of the first cylinder is provided with an annular folded edge, and one side end face of the annular folded edge is abutted to the spring;
preferably, the first cylinder and/or the second cylinder are/is provided with reinforcing ribs on the outer portion.
3. A boom assembly as claimed in claim 2, wherein:
the upper bracket comprises a ring-shaped supporting sheet and a plurality of damping blocks which are arranged on one side of the ring-shaped supporting sheet and distributed along the inner ring of the ring-shaped supporting sheet, the damping blocks are positioned in the accommodating chamber, an elastic groove is formed between every two adjacent damping blocks, and a through hole which is positioned in the center and used for the suspension rod to pass through is formed between the damping blocks;
preferably, the upper spring seat and the upper bracket are in interference fit with the damping strip;
preferably, the damping strip is made of elastic material;
preferably, the end surface of the side of the annular supporting sheet opposite to the damping block is inclined from the suspension rod to the direction of the damping block along the radial direction, and the end surface of the other side of the annular supporting sheet abuts against the annular folded edge.
4. A boom assembly as claimed in claim 3, wherein:
and the side wall of the outer side of at least one damping block is provided with a clamping jaw or a clamping buckle, and the side wall of the inner side of the containing cavity is provided with a clamping buckle or a clamping jaw corresponding to the clamping jaw or the clamping buckle.
5. A boom assembly according to any of claims 1-4, wherein:
the lower spring seat comprises a bottom support and a sleeve, the bottom end of the hanging rod is connected with the bottom support, the sleeve is sleeved on the hanging rod, the bottom support and the sleeve are axially and relatively fixedly arranged on the hanging rod, and the upper spring seat, the damping strip and the upper bracket are sequentially sleeved outside the sleeve from bottom to top.
6. A boom assembly as claimed in claim 5, wherein:
the bottom support comprises a supporting seat and a connecting pipe fixedly connected with the supporting seat, a through hole for the suspension rod to pass through is formed in the centers of the supporting seat and the connecting pipe, the bottom end of the suspension rod is fixedly connected with the supporting seat, and the sleeve and the connecting pipe are relatively fixedly arranged at least in the axial direction of the suspension rod;
preferably, the support seat and the connecting pipe are integrally formed.
7. A boom assembly as claimed in claim 6, wherein:
the inner diameter of the end part of the sleeve connected with the connecting pipe is at least larger than the outer diameter of the connecting pipe, and the end part of the sleeve is sleeved outside the connecting pipe and is riveted with the connecting pipe.
8. A boom assembly as claimed in claim 6 or 7, wherein:
the end of the sleeve far away from the connecting pipe is provided with a guide pipe, and the guide pipe is sleeved on the suspender and is relatively fixed with the sleeve at least in the axial direction of the suspender.
9. A boom assembly as claimed in claim 8, wherein:
the inner diameter of the end part of the sleeve connected with the guide pipe is larger than the outer diameter of the guide pipe, the guide pipe is nested and clamped between the sleeve and the suspender, and the sleeve is riveted with the guide pipe.
10. A washing machine characterized by: a boom assembly comprising a boom assembly as claimed in any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010391888.1A CN113638195A (en) | 2020-05-11 | 2020-05-11 | Suspender component and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010391888.1A CN113638195A (en) | 2020-05-11 | 2020-05-11 | Suspender component and washing machine |
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| CN113638195A true CN113638195A (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010391888.1A Pending CN113638195A (en) | 2020-05-11 | 2020-05-11 | Suspender component and washing machine |
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| CN (1) | CN113638195A (en) |
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Application publication date: 20211112 |