CN112899965B - Washing machine impeller mounting structure and washing machine - Google Patents
Washing machine impeller mounting structure and washing machine Download PDFInfo
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- CN112899965B CN112899965B CN201911226322.7A CN201911226322A CN112899965B CN 112899965 B CN112899965 B CN 112899965B CN 201911226322 A CN201911226322 A CN 201911226322A CN 112899965 B CN112899965 B CN 112899965B
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- washing machine
- extrusion deformation
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- 238000005406 washing Methods 0.000 title claims abstract description 54
- 238000001125 extrusion Methods 0.000 claims abstract description 69
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 230000009471 action Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
Abstract
The invention discloses a pulsator mounting structure of a washing machine and the washing machine, wherein the pulsator mounting structure comprises a pulsator mounting part and a connecting piece, the pulsator mounting part comprises a mounting through hole, the connecting piece comprises a fixing part and a limiting part, one end of the limiting part is connected with one end of the fixing part, the pulsator mounting structure further comprises an extrusion deformation part clamped between the connecting piece limiting part and the pulsator mounting part, the extrusion deformation part is provided with a through hole and is communicated with the mounting through hole in a matching way, and the other end of the fixing part sequentially penetrates through the through hole and the mounting through hole; the extrusion deformation part has a structure for converting a pressure part between the limiting part and the impeller mounting part into an acting force for extruding the penetrating Kong Sujing to lock the fixing part. According to the invention, the limiting part is arranged to press the extrusion deformation part, so that the inner wall of the through hole is locked with the fixing part, and the connecting piece is prevented from loosening from the mounting through hole.
Description
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a washing machine pulsator mounting structure and a washing machine.
Background
At present, the existing pulsator washing machine mainly fixes the pulsator on the pulsator shaft through screws, and the pulsator washing machine is easy to appear due to the fact that the washing machine needs to continuously rotate positively and negatively, rotate at a variable speed and the like in the washing or dehydrating process. In particular to a double-power pulsator washing machine, when the double-power pulsator washing machine is used for washing, a pulsator and an inner barrel are arranged to rotate simultaneously and the rotation directions are opposite, and the washing mode can improve washing power, increase washing effect and reduce clothes winding; however, compared with the full-automatic pulsator washing machine, when only the pulsator is rotated during washing, the drum and the pulsator of the double-power pulsator washing machine are reversely rotated at the same time, and the stress of the pulsator is increased by the action of water flow, so that a screw for fastening the pulsator can bear larger impact and is easier to loosen from the installation through hole. In order to solve the problem that the screw of the pulsator washing machine is easy to loosen, a screw tightening agent is generally added when the pulsator screw is tightened, and two defects exist in the mode: 1. the solidification time of the thread tightening agent is long, and generally about two days are needed; 2. disassembly is difficult during maintenance and requires addition for each fastening, which is too costly.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a washing machine pulsator mounting structure and a washing machine.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: the utility model provides a washing machine pulsator installation structure, which comprises a pulsator installation part and a connecting piece, wherein the pulsator installation part comprises an installation through hole, the connecting piece comprises a fixing part and a limiting part, one end of the limiting part is connected with one end of the fixing part, and further comprises,
The extrusion deformation part is clamped between the connecting piece limiting part and the impeller mounting part and is provided with a through hole which is matched and communicated with the mounting through hole, and the other end of the fixing part sequentially penetrates through the through hole and the mounting through hole;
The extrusion deformation part has a structure for converting a pressure part between the limiting part and the impeller mounting part into an acting force for extruding the penetrating Kong Sujing to lock the fixing part.
Through setting up extrusion deformation portion, works as the connecting piece is installed on the installation through-hole, spacing portion supports and presses extrusion deformation portion, works as the connecting piece is not hard up with the installation through-hole takes place relative rotation, because spacing portion with extrusion deformation portion supports tightly produces frictional force, can prevent the connecting piece is not hard up. Simultaneously, the limiting part is propped against the extrusion deformation part to enable the extrusion deformation part to deform inwards, and the inner wall of the through hole can displace slightly, so that the extrusion deformation part locks the fixing part of the connecting piece to prevent the connecting piece from loosening from the mounting through hole.
Further, the press-deformed portion and the pulsator mounting portion are relatively fixed at least in a circumferential direction of a center axis of the through-hole;
Preferably, the extrusion deformation part is detachably connected with the impeller mounting part, and the contact surface of the extrusion deformation part and the impeller mounting part is provided with a positioning structure;
Or the extrusion deformation part is fixedly connected with the impeller mounting part, and preferably, the extrusion deformation part is integrally connected with the impeller mounting part.
Further, the extrusion deformation part is provided with a bell-mouth-shaped flanging, one end with a small caliber of the flanging is connected with the impeller mounting part, and the limiting part extrudes one end with a large caliber of the flanging;
preferably, the limiting part presses the inner wall of the end with the larger caliber of the flanging.
Through setting up the turn-ups, when the connecting piece is installed the through-hole with in the installation through-hole, spacing portion supports and presses the one end that the turn-ups bore is big, when the connecting piece is not hard up takes place relative rotation, produces frictional force, can prevent the connecting piece is not hard up. Meanwhile, when the connecting piece is installed in place, the limiting part is pressed against the flanging, the limiting part and the flanging are subjected to interaction force in opposite directions, the flanging is subjected to downward acting force F, the acting force F can be decomposed into partial force F Shaft acting on the axial direction, when the flanging surface is subjected to the axial force F Shaft , the axial force F Shaft generates torque P, the joint of the impeller installation part and the flanging is a fulcrum, the impeller installation part is extruded inwards along the small-caliber end of the flanging to deform, and when the small-caliber end of the flanging is bent inwards to deform under the action of the torque, the inner wall of the impeller is slightly displaced, so that the aperture of the inner wall of the flanging is reduced. The phenomenon that the pulsator connecting piece of the pulsator washing machine is easy to loosen can be solved through the fastening mode formed by the connecting piece and the extrusion deformation part.
Further, the extrusion deformation part further comprises a sleeve, one end of the sleeve extends to the periphery to form a horn-shaped flanging, and the other end of the sleeve is connected with the impeller mounting part.
Further, the flange extends outwards in the radial direction in an arc shape from one end of the sleeve, and the sleeve is connected with the flange fillets.
Through setting up sleeve and turn-ups, works as the connecting piece passes the sleeve with during the installation through-hole, spacing portion supports presses the turn-ups, the turn-ups receives decurrent effort F of direction, and effort F can decompose into partly and act on axial power F Shaft , works as when the turn-ups surface receives axial power F Shaft , axial power F Shaft produces moment of torsion P, the sleeve with the junction of turn-ups is the fulcrum, follows the inward extrusion of sleeve produces deformation, works as when the sleeve receives the effect of moment of torsion to buckle inwards deformation, its inner wall can take place tiny displacement, has reduced the aperture of sleeve inner wall. The phenomenon that the pulsator connecting piece of the pulsator washing machine is easy to loosen can be solved through the fastening mode formed by the connecting piece and the extrusion deformation part.
Further, a protruding portion protruding towards the direction of the impeller mounting portion is arranged on the periphery of one end, connected with the fixing portion, of the limiting portion, and the protruding portion abuts against the flanging.
Through spacing portion with the periphery of the one end that fixed part is connected sets up the bulge, the bulge can support and press on the turn-ups that extrusion deformation portion is close to the outside, apart from the length grow of fulcrum, the arm of force grow, under the unchangeable circumstances of atress, the moment of torsion grow, the extrusion deformation that the sleeve inwards produced just is big also, the connecting piece installation is firm more.
Further, a concave cavity is formed between the protruding part and the fixing part, and the protruding part is obliquely arranged from the bottom of the concave cavity to the edge direction of the limiting part;
preferably, the protruding portion is an annular boss, and the concave cavity is an annular concave cavity.
Further, an operation part is arranged at the other end of the limiting part, and is used for receiving an operation force from the outside and transmitting the operation force to the connecting piece;
preferably, the operation part is a concave cavity structure arranged at the other end of the limiting part.
Through setting the operating portion to the cavity structure, when using the instrument installation the connecting piece, can increase the instrument with the area of contact of operating portion, the operation installation is more convenient to be difficult for damaging the operating portion.
The invention also provides a washing machine, which is characterized in that: the pulsator mounting structure of the washing machine has any one of the above.
Further, the washing machine includes a pulsator shaft, and the other end of the fixing part is connected with the pulsator shaft through the through hole and the mounting through hole.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.
(1) Through setting up extrusion deformation portion, works as the connecting piece is installed on the installation through-hole, spacing portion supports and presses extrusion deformation portion, works as the connecting piece is not hard up with the installation through-hole takes place relative rotation, because spacing portion with extrusion deformation portion supports tightly produces frictional force, can prevent the connecting piece is not hard up. Simultaneously, the limiting part is propped against the extrusion deformation part to enable the extrusion deformation part to deform inwards, and the inner wall of the through hole can displace slightly, so that the extrusion deformation part locks the fixing part of the connecting piece to prevent the connecting piece from loosening from the mounting through hole.
(2) Through with the sleeve, from the outside extension of telescopic one end forms the turn-ups, spacing portion supports when pressing the turn-ups, the sleeve with the junction of turn-ups can be regarded as the turn-ups bears the fulcrum of moment of torsion, when the turn-ups receives the moment of torsion, can directly act on the sleeve with the junction of turn-ups makes telescopic inner wall inwards produces the displacement, makes telescopic aperture reduces, makes the sleeve with the contact of connecting piece is inseparabler, can prevent the pine of connecting piece takes off.
(3) Through spacing portion with the periphery of the one end that fixed part is connected sets up the bulge, the bulge can support and press on the turn-ups that extrusion deformation portion is close to the outside, apart from the sleeve with the length grow of the junction of turn-ups, the arm of force grow, under the unchangeable circumstances of atress, the moment of torsion grow, the more the extrusion deformation that the sleeve inwards produced also is just bigger, the more firm of connecting piece installation.
(4) Through setting the operating portion to the cavity structure, when using the instrument installation the connecting piece, can increase the instrument with the area of contact of operating portion, the operation installation is more convenient to be difficult for damaging the operating portion.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a schematic view of a washing machine according to the present invention;
FIG. 2 is a schematic view of a pulsator mounting structure of a washing machine in accordance with the present invention;
FIG. 3 is a schematic view of the structure of the connector of the present invention;
fig. 4 is a schematic structural view of the pulsator in the present invention.
In the figure: 1. the extrusion deformation part, 11, the sleeve, 12, the flanging, 13 and the through hole; 2. the connecting piece, 21, the fixing part, 22, the limiting part, 221, the protruding part, 222, the concave cavity, 223 and the operating part; 3. a pulsator shaft; 4. the impeller comprises an impeller, 41, an impeller mounting part, 411, a mounting through hole, 412, a mounting hole, 413 and a stud bolt; 5. an inner barrel.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the pulsator mounting structure for a washing machine according to the present invention includes a pulsator mounting part 41 and a connection member 2, the pulsator mounting part 41 including a mounting through hole 411, the connection member 2 including a fixing part 21 and a limiting part 22, one end of the limiting part 22 being connected with one end of the fixing part 21, and further including,
The extrusion deformation part 1 is clamped between the limiting part 22 of the connecting piece 2 and the impeller mounting part 41, the extrusion deformation part 1 is provided with a through hole 13 and is communicated with the mounting through hole 411 in a matching way, and the other end of the fixing part 21 sequentially passes through the through hole 13 and the mounting through hole 411;
The press-deformed portion 1 has a structure in which a pressure portion between the stopper portion 22 and the pulsator mounting portion 41 is converted into a force that presses the through-hole 13 and reduces an inner diameter of the through-hole 13 to lock the fixing portion 21.
By providing the extrusion deformation portion 1, when the connector 2 is mounted on the mounting through hole 411, the limiting portion 22 abuts against the extrusion deformation portion 1, and when the connector 2 loosens and rotates relative to the mounting through hole 411, friction force is generated due to the fact that the limiting portion 22 abuts against the extrusion deformation portion 1, and the connector 2 can be prevented from loosening. Meanwhile, the limiting part 22 presses against the extrusion deformation part 1 to deform the extrusion deformation part 1 inwards, and the inner wall of the through hole 13 is slightly displaced, so that the extrusion deformation part 1 locks the fixing part 21 of the connecting piece 2 to prevent the connecting piece 2 from loosening from the mounting through hole 411.
The extrusion deformation part 1 and the impeller mounting part 41 are relatively fixed at least in the circumferential direction of the central axis of the through hole, so that the extrusion deformation part 1 is prevented from being driven to rotate when the connecting piece 2 is loosened, and the connecting piece 2 is prevented from being locked. The squeeze deformation part 1 is detachably connected with the pulsator mounting part 41, and a positioning structure (not shown) is arranged on the contact surface of the squeeze deformation part 1 and the pulsator mounting part 41, or the squeeze deformation part 1 is fixedly connected with the pulsator mounting part 41. Preferably, the press-deformed portion 1 is integrally connected to the pulsator mounting portion 41.
The pulsator mounting structure may further include a pulsator shaft 3, and the other end of the fixing part 21 sequentially passes through the through hole 13 and the mounting through hole 411 to be connected with the pulsator shaft 3. The fixing portion 21 of the connecting piece 2 is a fixing rod, the limiting portion 22 is a limiting head, one end of the limiting portion 22 in the axial direction is connected with one end of the fixing rod, and the other end of the fixing rod passes through the through hole 13 and the mounting through hole 411 to be connected with the pulsator shaft 3, so that the pulsator 4 is fixed on the pulsator shaft 3. The fixing portion 21 may be a screw, and the screw is screwed with the through hole 13, the mounting through hole 411, and the pulsator shaft 3.
As shown in fig. 1 to 2, the squeeze deformation portion 1 has a bell-mouth-shaped flange 12, one end of the flange 12 having a small diameter is connected to the pulsator mounting portion 1, and the stopper portion 22 squeezes one end of the flange 12 having a large diameter. Preferably, the limiting portion 22 presses the inner wall of the end of the flange 12 with a larger diameter.
By providing the bell-mouth-shaped flange 12, when the connecting piece 2 is mounted in the through hole 13 and the mounting through hole 411, the limiting portion 22 abuts against the flange 12, and when the connecting piece 2 is loosened and relatively rotates, friction force is generated due to the abutting of the limiting portion 22 and the flange 12, so that the connecting piece 2 can be prevented from loosening. Meanwhile, when the connecting piece 2 is installed in place, the limiting part 22 abuts against the flange 12, the limiting part 22 and the flange 12 are subjected to interaction force in opposite directions, the flange 12 is subjected to downward acting force F, the acting force F can be decomposed into part of axial force F Shaft , when the surface of the flange 12 is subjected to axial force F Shaft , the axial force F Shaft generates torque P, the joint of the impeller mounting part 41 and the flange 12 is used as a fulcrum, and when one end of the flange 12 with small caliber is bent inwards under the action of torque, the inner wall of the flange is slightly displaced, so that the aperture of the inner wall of the flange 12 is reduced. The fastening mode formed by the connecting piece 2 and the extrusion deformation part 1 can solve the problem that the connecting piece 2 of the pulsator washing machine is easy to loosen.
The extrusion deformation part 1 further comprises a sleeve 11, one end of the sleeve 11 is connected with one end of the flange 12 with a small caliber, and the other end of the sleeve 11 is connected with the impeller mounting part 41. Specifically, one end of the sleeve 11 is connected to one end of the flange 12 with a small caliber, and one end of the flange 12 with a large caliber is sleeved outside the sleeve 11 and faces the pulsator mounting part 41; or one end of the sleeve 11 is connected with one end of the flange 12 with small caliber, and one end of the flange 12 with large caliber faces the pressing part.
The sleeve 11 may also be provided with a matched fixed connection structure, such as a thread, in the fixing portion 21.
Through setting up sleeve 11 and turn-ups 12, when connecting piece 2 passes sleeve 11 with installation through-hole 411, spacing portion 22 supports presses turn-ups 12, turn-ups 12 receives decurrent effort F, and effort F can decompose into partly and act on axial power F Shaft , when turn-ups 12 surface receives axial power F Shaft , axial power F Shaft produces moment of torsion P, sleeve 11 with the junction of turn-ups 12 is the fulcrum, along sleeve 11 with the one end that turn-ups 12 is connected inwards extrudees and produces deformation, when sleeve 11 receives the effect of moment of torsion to buckle inwards deformation, its inner wall can take place tiny displacement, has reduced the aperture of sleeve 12 inner wall. The fastening mode formed by the connecting piece 2 and the extrusion deformation part 1 can solve the problem that the connecting piece 2 of the pulsator washing machine is easy to loosen.
Specifically, the flange 12 extends radially outwards from one end of the sleeve 11 in an arc shape, and the sleeve 11 is in rounded connection with the flange 12.
Or the flange 12 comprises a first section and a second section, the first section is connected with the second section, the first section extends outwards along the arc shape of the sleeve 11, the second section extends along the radial direction of the mounting through hole 411, and the second section is matched with the shape of the limit part 22. The sleeve 11 is connected with the first section of the fillet of the flange 12. The first sections of the sleeve 11 and the flange 12 are arc fillets, and when the extrusion deformation part 1 is subjected to axial downward force, the joint of the sleeve 11 and the flange 12 is not easy to break.
Stress concentration is a phenomenon in which stress increases significantly in localized areas of a solid. Most of them occur in sharp corners, holes, notches, grooves, rigid constraints and their neighborhoods. If the sleeve 11 is connected to the flange 12 at right angles, stress concentration is likely to occur after the sleeve is pressed by the limiting portion 22, and the right angle connection is more likely to collapse due to excessive pressure.
The sleeve 11 and the flange 12 are connected by a round corner, and because the curve is characterized in that the pressure can be dispersed at each point of the curve instead of being concentrated at one point like a right angle, the pressure applied to the joint of the sleeve 11 and the flange 12 is dispersed after the joint is rounded, and the joint cannot be easily crushed when the joint is subjected to larger pressure in the use process.
As shown in fig. 3, a protruding portion 221 protruding toward the impeller mounting portion 1 is provided on the outer periphery of the end of the limiting portion 22 connected to the fixing portion 21, and the protruding portion 221 abuts against the flange 12. The outer portion of the limiting portion may be cylindrical, one end in the axial direction of the limiting portion is connected with the fixing rod, the protruding portion 221 is an annular boss, and the cavity 222 is an annular cavity. The protruding part 221 presses the part of the extrusion deformation part 1 near the outer side to be attached to the part of the flanging 22 near the outer side, and the protruding part 221 is matched with the shape of the extending part of the flanging 12 in the radial direction.
Through setting up bulge 221, bulge 221 supports tightly extrusion deformation portion 1, bulge 221 can take place deformation outwards expansion, at this moment connecting piece 2 can produce an ascending pretightning force owing to self deformation, and then makes fixed part 21 screw rod with the screw thread between through-hole 13 and the installation through-hole 411 produces a great effort each other, increases its friction moment, effectively prevents connecting piece 2 is not hard up.
Next, by providing the protrusion 221 on the outer periphery of the end of the stopper 22 connected to the fixing portion 21, the protrusion 221 can be pressed against the portion of the flange 12 near the outer side, and the distance from the fulcrum becomes large, so that the moment arm becomes large. The larger the moment arm, the larger the torque, the larger the inward compressive deformation of the compressive deformation portion 1, and the more firmly the attachment of the connector 2. The protrusion 221 may also press against the second section of the flange 12, so that the moment arm may also be increased and the torque may be increased.
A concave cavity 222 is formed between the protruding portion 221 and the fixing portion 21, and the protruding portion 221 is obliquely arranged from the bottom of the concave cavity 222 to the edge direction of the limiting portion 22; preferably, the cavity 222 is an annular cavity.
Through the above arrangement, the larger the connection area between the protruding portion 221 and the limiting portion 22 is, the more concentrated the protruding portion 221 is pressed against the extrusion deformation portion 1, the more concentrated the protruding portion is pressed against the portion of the extrusion deformation portion 1, which is close to the outer side, the more concentrated the stress is on the portion of the extrusion deformation portion 1, which is close to the outer side, the larger the torque is, the larger the extrusion deformation generated inwards by the through hole 13 is, and the more firm the connection piece 2 is installed.
The other end of the limiting part 22 is provided with an operating part 223, the operating part 223 is used for receiving an operating force from the outside and transmitting the operating force to the connecting piece 2, the connecting piece 2 can be mounted or dismounted by means of the operating part 223, and the operating part 223 is a concave cavity structure arranged on the other side of the limiting part 22.
The operation part 223 is arranged to be a non-circular concave cavity structure with a cross section, so that the installation tool and the circular cross section of the concave cavity structure are prevented from slipping; or the operation portion 223 is provided in a plurality of recess structures into which the mounting tool has a plurality of mounting claws to be inserted. When the connector 2 is mounted using a tool, the contact area between the tool and the operation portion 223 can be increased, the operation and the mounting are more convenient, and the operation portion 223 is less likely to be damaged.
A cover (not shown) may be further provided above the mounting through hole 411 and the connection member 2 to prevent scratch or entanglement of laundry.
When the extrusion deformation part 1 is extruded inwards by torque, the aperture of the through hole 13 of the extrusion deformation part 1 becomes smaller, the gap between the internal thread on the through hole 13 and the external thread on the fixing part 21 becomes smaller, the friction force increases, a self-locking structure is formed, and the connecting piece 2 is not easy to loosen from the mounting through hole 411.
The pulsator mounting structure may further include a pulsator shaft 3, and the other end of the fixing part 21 may be connected to the pulsator shaft 3 through the through hole 13 and the mounting through hole 411.
As shown in fig. 4, the pulsator mounting part 41 may be integrally connected to the pulsator 4, and the pulsator mounting part 41 may be fixedly connected to the pulsator 4 as a pulsator lining. The pulsator mounting part 41 on the outer periphery of the mounting through hole 411 is provided with a mounting hole 412, the pulsator 4 is provided with a corresponding mounting hole 412, and the pulsator mounting part 41 is fixedly connected with the pulsator 4 through a stud 413. A cover may be further provided above the mounting through hole 411 to cover the press-deformed portion 1, the connection member 2, the mounting through hole 411, and the stud 413, and may be used to prevent the laundry from being scratched or entangled.
As shown in fig. 1, the present invention also provides a washing machine having a pulsator mounting structure of the washing machine as described above. The washing machine includes a pulsator shaft 3, and the other end of the fixing part 21 is connected to the pulsator shaft 3 through the penetration hole 13 and the mounting through hole 411. The impeller shaft 3 is partially disposed in the impeller mounting portion 41, the impeller shaft 3 is fixedly connected with the impeller mounting portion 41, threads are disposed in the through hole 13 and the mounting through hole 411, and the fixing portion 21 is in threaded connection with the through hole 13 and the mounting through hole 411 and the impeller shaft 3. The pulsator shaft 3 and the pulsator mounting part 41 may be connected by a key, and the pulsator shaft 3 may be an assembly shaft of a reduction clutch.
The washing machine comprises a double-power pulsator washing machine, and comprises an inner barrel 5, wherein the inner barrel 5 and the pulsator 4 can rotate simultaneously and the rotation directions are opposite. The inner tub 5 and the pulsator 4 are reversely rotated at the same time, and the connecting member 2 for fastening the pulsator 4 receives a larger impact due to the force of the water current, so that the pulsator mounting structure of the washing machine according to the embodiment can effectively prevent the loosening of the connecting member 2.
By arranging the extrusion deformation part 1, when the connecting piece 2 fixes the impeller 4 on the impeller shaft 3, the limiting part 22 is propped against the extrusion deformation part 1, and because the limiting part 22 is propped against the extrusion deformation part 1, when the connecting piece 2 loosens and rotates relatively, friction force is generated between the limiting part 22 and the extrusion deformation part 1, so that the connecting piece 2 can be prevented from loosening. Meanwhile, when the connector 2 is mounted in place, the limiting part 22 presses the extrusion deformation part 1, so that the extrusion deformation part 1 is deformed inwards, and the inner wall of the through hole 13 is slightly displaced, so that the extrusion deformation part 1 locks the fixing part 21 of the connector 2, and the connector 2 is prevented from loosening from the impeller through hole 411, so that the connector 2 is prevented from loosening from the impeller shaft 3.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited to the above-mentioned embodiment, but is not limited to the above-mentioned embodiment, and any simple modification, equivalent change and modification made by the technical matter of the present invention can be further combined or replaced by the equivalent embodiment without departing from the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a washing machine impeller mounting structure, includes impeller installation department and connecting piece, impeller installation department includes the installation through-hole, the connecting piece includes fixed part and spacing portion, the one end of spacing portion with the one end of fixed part is connected, its characterized in that: also included is a method of manufacturing a semiconductor device,
The extrusion deformation part is clamped between the connecting piece limiting part and the impeller mounting part and is provided with a through hole which is matched and communicated with the mounting through hole, and the other end of the fixing part sequentially penetrates through the through hole and the mounting through hole;
the extrusion deformation part is provided with a structure for converting a pressure part between the limiting part and the impeller mounting part into external thread acting force for inwards extruding the penetrating Kong Sujing to lock the fixing part;
The extrusion deformation part and the impeller mounting part are relatively fixed at least in the circumferential direction of the central shaft of the through hole;
The extrusion deformation part comprises a sleeve, one end of the sleeve extends to the periphery to form a horn-shaped flanging, and the other end of the sleeve is connected with the impeller mounting part; the end with small flanging caliber is connected with the impeller mounting part, and the limiting part extrudes the end with large flanging caliber; the limiting part presses the inner wall of one end with a large caliber of the flanging;
the periphery of the end, connected with the fixing part, of the limiting part is provided with a protruding part protruding towards the direction of the impeller installation part, the protruding part is propped against the flanging, and the sleeve is inwards extruded to deform along the end, connected with the flanging, of the sleeve.
2. The pulsator mounting structure of a washing machine as claimed in claim 1, wherein:
The extrusion deformation part is detachably connected with the impeller mounting part, and a positioning structure is arranged on the contact surface of the extrusion deformation part and the impeller mounting part;
Or the extrusion deformation part is fixedly connected with the impeller mounting part.
3. The pulsator mounting structure of a washing machine as claimed in claim 2, wherein: the extrusion deformation part is integrally connected with the impeller mounting part.
4. A pulsator mounting structure for washing machines as claimed in any one of claims 1 to 3, wherein: the flanging extends outwards in the radial direction from one end of the sleeve in an arc shape, and the sleeve is connected with the flanging fillets.
5. The pulsator mounting structure of a washing machine as claimed in claim 4, wherein: the concave cavity is formed between the protruding part and the fixing part, and the protruding part is obliquely arranged from the bottom of the concave cavity to the edge direction of the limiting part.
6. The pulsator mounting structure of a washing machine as claimed in claim 5, wherein: the convex part is an annular boss, and the concave cavity is an annular concave cavity.
7. The pulsator mounting structure of a washing machine as claimed in claim 1, wherein: the other end of the limiting part is provided with an operating part, and the operating part is used for receiving an operating force from the outside and transmitting the operating force to the connecting piece.
8. The pulsator mounting structure of a washing machine as claimed in claim 7, wherein: the operation part is a concave cavity structure arranged at the other end of the limiting part.
9. A washing machine, characterized in that: a pulsator mounting structure for a washing machine as claimed in any one of claims 1 to 8.
10. A washing machine as claimed in claim 9, wherein: the washing machine comprises a pulsator shaft, and the other end of the fixing part penetrates through the through hole and the mounting through hole to be connected with the pulsator shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911226322.7A CN112899965B (en) | 2019-12-04 | 2019-12-04 | Washing machine impeller mounting structure and washing machine |
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| CN201911226322.7A CN112899965B (en) | 2019-12-04 | 2019-12-04 | Washing machine impeller mounting structure and washing machine |
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| CN112899965A CN112899965A (en) | 2021-06-04 |
| CN112899965B true CN112899965B (en) | 2024-04-26 |
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| JP5540275B1 (en) * | 2013-07-03 | 2014-07-02 | 有限会社Ｓｇｇ研究所 | Locking nut set and its production method |
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| JPH05296222A (en) * | 1992-04-17 | 1993-11-09 | Kitaura Kogyo Kk | Fixing method and fixing structure |
| FR2727478A1 (en) * | 1994-11-30 | 1996-05-31 | Valeo Systemes Dessuyage | DEVICE FOR FIXING AN ELEMENT ON THE BODY OF A MOTOR VEHICLE |
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|---|---|
| CN112899965A (en) | 2021-06-04 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20240401 Address after: 400026 Haier Industrial Park, No.1 Gangcheng South Road, Jiangbei District, Chongqing Applicant after: Chongqing Haier washing machine Co.,Ltd. Country or region after: China Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Country or region before: China Applicant before: Haier Zhijia Co.,Ltd. |
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