CN116412215B - Self-locking quick-release nut for washing machine inner drum, washing machine - Google Patents
Self-locking quick-release nut for washing machine inner drum, washing machineInfo
- Publication number
- CN116412215B CN116412215B CN202111661533.0A CN202111661533A CN116412215B CN 116412215 B CN116412215 B CN 116412215B CN 202111661533 A CN202111661533 A CN 202111661533A CN 116412215 B CN116412215 B CN 116412215B
- Authority
- CN
- China
- Prior art keywords
- self
- nut
- locking
- rotating shaft
- locking member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/12—Couplings for rigidly connecting two coaxial shafts or other movable machine elements allowing adjustment of the parts about the axis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a self-locking quick-release nut for an inner barrel of a washing machine, which comprises a nut piece and a self-locking piece, wherein the nut piece is used for fixing the end part of a rotating shaft from the inside of the inner barrel of the washing machine and propping against the inner barrel to install the inner barrel, when the nut piece props against the inner barrel, the self-locking piece is inserted into a gap between the nut piece and an extension part of the end part of the rotating shaft so as to lock the nut piece on the bottom wall of the inner barrel, and when the nut piece is unlocked, the self-locking piece is pulled away so as to loosen the nut piece. The invention also provides a washing machine. The nut assembly is used for mounting the inner cylinder of the washing machine on the rotating shaft, the inner cylinder can be disassembled after the nut assembly is disassembled, and a user can rapidly assemble and disassemble the inner cylinder by himself, so that the cleaning of the inner cylinder and the outer cylinder is facilitated. When the nut piece and the rotating shaft are assembled in place, the nut piece abuts against the inner cylinder, and the self-locking piece is adopted from the gap between the nut piece and the end part of the rotating shaft, so that the stability of the threaded connection of the nut piece and the rotating shaft is improved, and the nut piece is prevented from falling off. The self-locking piece can be pulled away to unlock, the operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a self-locking quick-release nut for an inner barrel of a washing machine and the washing machine.
Background
The drum washing machine structure comprises an inner drum and an outer drum, wherein the inner drum is arranged inside the outer drum and is used for containing clothes, a washing space for placing washing water is formed between the outer drum and the inner drum, and the motor can drive the inner drum to rotate relative to the outer drum, so that the effect of washing the clothes is achieved. After the drum washing machine is used for a period of time, a large amount of dirt and bacteria remain on the inner wall of the outer drum and the outer wall of the inner drum, so that a user cannot clean the drum washing machine by himself, and a professional is required to detach the drum washing machine for cleaning.
Disclosure of Invention
In order to facilitate the self-disassembly of the inner cylinder by a user, the invention provides a self-locking quick-disassembly nut for the inner cylinder of a washing machine, and the inner cylinder is fixed with a rotating shaft from the inner part of the inner cylinder. The nut component is provided with a self-locking piece to realize a self-locking function, so that the stability of the assembly of the nut component and the rotating shaft is improved.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
The invention provides a self-locking quick-release nut for an inner barrel of a washing machine, which comprises a nut piece and a self-locking piece, wherein the nut piece is used for fixing the end part of a rotating shaft from the inner part of the inner barrel of the washing machine and propping against the inner barrel to install the inner barrel,
When the nut piece is propped against the inner cylinder, the self-locking piece is inserted into a gap between the nut piece and the extension part of the end part of the rotating shaft so as to lock the nut piece on the bottom wall of the inner cylinder;
When unlocking, the self-locking piece is pulled away to loosen the nut piece.
Preferably, an end cap is also included, which encloses the nut member.
Preferably, the end cap is provided with a guide rail, the self-locking member is an elastic member, one end of the self-locking member extends into the guide rail, and the end of the self-locking member is driven by external force to move in the guide rail so that the self-locking member is far away from the rotating shaft.
Preferably, the self-locking member is fixed in the end cap, the guide rail is a through groove, and one end of the self-locking member extends out of the through groove and is shifted to enable the self-locking member to move.
Preferably, the self-locking device also comprises a fixed block, wherein the outer periphery of the fixed block is in sliding connection or screwed connection with the inner surface of the end cap;
The guide rail is a groove, one end of the self-locking piece is clamped into the groove, and the external force drives the end cap to rotate relative to the fixed block, so that the groove rotates to drive the self-locking piece to move.
Preferably, the groove extends in a direction away from the direction of rotation of the end cap towards the outside of the end cap so that the self-locking member moves in its direction of extension.
Preferably, the inner wall of the groove, which abuts against the end part of the self-locking member, is a curved surface.
Preferably, the inner surface of the end cap is provided with a lug, the periphery side of the fixing block is provided with a clamping groove, and the lug is clamped into the clamping groove.
Preferably, the end cap is rotated by 15 ° -45 ° relative to the fixed block when unlocked.
Preferably, the self-locking member comprises:
the lock column comprises a first end, a second end and a third end, wherein the second end is used for being clamped into the gap;
One end of the first spring is used for fixing, and the other end of the first spring is sleeved outside the third end;
The first end is driven by external force to enable the first spring to stretch and retract, and further enable the lock cylinder to move.
Preferably, the device also comprises an elastic top piece, one end of the inner tube is propped against the outer wall of the bottom of the inner tube, the other end faces the self-locking piece;
when the nut component is assembled on the rotating shaft, the self-locking piece compresses the elastic top piece, and when the nut component is unlocked, the elastic top piece pushes the self-locking piece open.
The invention also provides a washing machine, which comprises a motor, a rotating shaft, an inner cylinder and the self-locking quick-release nut for the inner cylinder of the washing machine, wherein one end of the rotating shaft is coaxially connected with the motor, the other end of the rotating shaft extends into the inner cylinder from the outside of the bottom of the inner cylinder, and the nut component is in threaded connection with the rotating shaft from the inside of the inner cylinder and is locked on the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a self-locking quick-release nut for an inner barrel of a washing machine, which is used for mounting the inner barrel of the washing machine on a rotating shaft through a nut component, the inner barrel can be detached after the nut component is detached, a user can quickly assemble and disassemble the inner barrel by himself, cleaning of the inner barrel and the outer barrel is facilitated, and the user can maintain the cleanliness of the barrel regularly. The nut component is provided with a self-locking piece, when the nut piece and the rotating shaft are assembled in place, the nut piece is propped against the inner barrel at the moment, and the self-locking piece is adopted from the gap between the nut piece and the end part of the rotating shaft so as to enable the nut piece to be positioned on the rotating shaft, so that the stability of the threaded connection of the nut piece and the rotating shaft is improved, and the nut piece is prevented from falling off. The self-locking piece can be pulled away to unlock, the operation is simple and convenient.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the technical means of the present invention, and is to be implemented in accordance with the contents of the specification, as follows, in accordance with the preferred embodiments of the present invention, as hereinafter described in detail with reference to the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
Fig. 1 is a partial structural sectional view of a washing machine in a first embodiment of the present invention;
fig. 2 is a partial enlarged view of a sectional view of a washing machine in accordance with a first embodiment of the present invention;
FIG. 3 is an exploded view of the structure of the nut assembly according to the first embodiment of the present invention;
FIG. 4 is a schematic diagram showing an assembly structure of an end cap and a self-locking member according to a first embodiment of the present invention;
Fig. 5 is a schematic perspective view of a fixing block according to a first embodiment of the present invention;
fig. 6 is a partial perspective view illustrating a washing machine in accordance with a first embodiment of the present invention;
Fig. 7 is an exploded view showing a partial structure of a washing machine in accordance with a second embodiment of the present invention;
fig. 8 is a partial structural sectional view of a washing machine in accordance with a second embodiment of the present invention;
FIG. 9 is a partial assembly block diagram of a nut assembly and a spindle in a second embodiment of the invention;
FIG. 10 is a schematic perspective view of an end cap according to a second embodiment of the present invention;
FIG. 11 is a schematic perspective view of a nut assembly according to a second embodiment of the present invention;
fig. 12 is a partial perspective view illustrating a washing machine in accordance with a second embodiment of the present invention;
fig. 13 is a partial perspective view of a washing machine according to the present invention.
In the figure:
100. a washing machine;
10. Nut component, 11, nut piece, 12, end cap, 121, through slot, 122, cavity, 123, opening, 1231, first opening, 1232, first opening, 124, groove, 125, bump, 13, self-locking piece, 131, lock post, 1311, first end, 1312, second end, 1313, third end, 132, first spring, 14, elastic top piece, 141, second spring, 142, cover, 1421, edge, 143, fixing piece, 1431, abutting plate, 1432, protruding part, 15, fixing block, 151, through hole, 152, clamping slot, 153, yielding notch, 154, containing slot, 16, cavity;
20. A rotating shaft;
30. An inner cylinder;
40. A void;
50. and a flange plate.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a device for practicing the invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Example 1
The invention provides a self-locking quick-release nut for an inner barrel of a washing machine, which comprises a nut member 11 and a self-locking member 13, as shown in fig. 2 and 8, wherein the nut member 11 is used for fixing the end part of a rotating shaft 20 from the inside of the inner barrel 30 of the washing machine and abutting against the inner barrel 30 to install the inner barrel 30,
When the nut 11 is abutted against the inner barrel 30, the self-locking member 13 is inserted into the gap 40 between the nut 11 and the extension 21 at the end of the spindle 20 to lock the nut 11 to the bottom wall of the inner barrel 30;
When unlocked, the self-locking member 13 is pulled away to loosen the nut member 11.
In this embodiment, the nut assembly 10 is used to mount the inner cylinder 30 of the washing machine 100 on the rotating shaft 20, the inner cylinder 30 can be detached after the nut assembly 10 is detached, the user can rapidly detach the inner cylinder 30 by himself, cleaning of the inner cylinder 30 and the outer cylinder is facilitated, and periodic maintenance of the cleanliness of the cylinder is facilitated for the user. The nut assembly 10 is provided with the self-locking piece 13, when the nut piece 11 and the rotating shaft 20 are assembled in place, the nut piece 11 abuts against the inner cylinder 30 at the moment, and the self-locking piece 13 is adopted from the gap 40 between the nut piece 11 and the end part of the rotating shaft 20 so as to enable the nut piece 11 to be positioned on the rotating shaft 20, so that the stability of the threaded connection of the nut piece 11 and the rotating shaft 20 is improved, and the nut piece 11 is prevented from falling off. The self-locking piece 13 can be pulled away to unlock, the operation is simple and convenient.
In one embodiment, the nut assembly 10 further includes an end cap 12 surrounding the nut member 11 to cover the assembly of the nut member 11 with the shaft 20 and enhance the aesthetic appearance of the bottom surface of the inner barrel 30. The end cap 12 is mounted on the bottom of the inner barrel 30 or on the nut member 11.
Further, the end cap 12 is provided with a guide rail, the self-locking member 13 is an elastic member, one end of the elastic member extends into the guide rail, and an external force drives the end of the self-locking member 13 to move in the guide rail, so that the end of the self-locking member 13, which faces the rotating shaft 20, is far away from the rotating shaft 20. The end cap 12 is provided with a guide rail to limit the movement track of the self-locking member 13 so as to facilitate the user to operate locking or unlocking. In addition, the self-locking member 13 is an elastic member, and can be elastically deformed and restored to match with external force to realize self-movement.
In one embodiment, as shown in fig. 1,2, 3 and 6, the nut assembly 10 further comprises a fixing block 15, the outer periphery of which is slidably connected or screwed to the inner surface of the end cap 12, the self-locking member 13 is fixed on the fixing block 15, the fixing block 15 is provided with a through hole 151 for the end of the rotating shaft 20 to extend in;
The guide rail is a groove 124, one end of the self-locking piece 13 is clamped into the groove 124, and the external force drives the end cap 12 to rotate relative to the fixed block 15, so that the groove 124 rotates to drive the self-locking piece 13 to move. Specifically, the groove 124 is configured to conceal the self-locking member 13, so as to prevent clothes from colliding with the self-locking member 13 and unlocking when the washing machine is running. Through the relative movement of the end cap 12 and the fixed block 15, the contour of the inner surface of the groove 124 plays a role in pushing the end part of the self-locking piece 13, so that the self-locking piece 13 is driven to move away from the rotating shaft 20 towards the end part of the rotating shaft 20, unlocking is realized, and the operation is simple and convenient.
Further, as shown in fig. 2, 3, and 4, the groove 124 extends toward the outside of the end cap 12 in a direction away from the rotation direction of the end cap 12, so that the self-locking member 13 moves in the extending direction thereof. Specifically, the second end 1312 of the self-locking member 13 is configured to lock the rotating shaft 20, when the end cap 12 rotates relative to the fixed block 15, the groove 124 rotates along with the end cap 12, and the profile of the inner surface of the groove 124 pushes the second end 1312, so that the second end 1312 moves along the extending direction of the self-locking member 13, and elastic distortion of the self-locking member 13 is avoided.
Further, as shown in fig. 2,3 and 4, the inner wall of the groove 124 abutting against the end of the self-locking member 13 is curved, so as to reduce the friction between the groove 124 and the self-locking member 13, and facilitate the movement of the end of the self-locking member 13 relative to the groove 124.
In one embodiment, as shown in fig. 2,3, 4 and 5, the inner surface of the end cap 12 is provided with a protruding block 125, the outer periphery of the fixing block 15 is provided with a clamping groove 152, and the protruding block 125 is clamped into the clamping groove 152. Specifically, the length of the protrusion 125 is smaller than the length of the slot 152, and an external force acts on the end cap 12 to move the protrusion 125 within the slot 152 to rotate the end cap 12 and unlock. The bump 125 is connected with the clamping groove 152 in a clamping way, so that on one hand, the installation stability of the end cap 12 and the fixed block 15 is improved, the end cap 12 is prevented from being unlocked and falling off due to collision of underwear in the inner barrel 30, and on the other hand, the bump 125 can be driven to move in the clamping groove 152 due to the action of external force on the end cap 12.
Further, when unlocked, the end cap 12 rotates 15 ° -45 ° relative to the fixed block 15. Specifically, when the self-locking member 13 is locked on the rotating shaft 20, the position of the protruding block 125 in the clamping groove 152 is the initial position, the position of the protruding block 125 when the self-locking member 13 is unlocked and the protruding block 125 touches the inner wall of the end portion of the clamping groove 152 is the important position, the arc length of the initial position and the end position is designed to limit the rotating structure of the end cap 12 to 15 ° -45 ° during unlocking, the fool-proof function is achieved, the user can stop rotating only by rotating the end cap 12 until the end cap 12 collides with the fixed block 15, and in addition, the rotating angle accords with the rotating comfort of hands. Preferably, the end cap 12 is rotated at an angle of 30 ° relative to the fixed block 15.
In one embodiment, as shown in fig. 2 and 4, the self-locking member 13 includes:
The lock cylinder 131 comprises a first end 1311, a second end 1312 and a third end 1313, wherein the second end 1312 is used for being clamped into the gap 40;
the first spring 132 has one end fixed and the other end sleeved outside the third end 1313;
The first end 1311 is driven by an external force to expand and contract the first spring 132, thereby allowing movement of the lock cylinder 131. Specifically, a first spring 132 is provided, the lock cylinder 131 is driven by an external force to move towards the first spring 132, so that the first spring 132 is stressed to be compressed, and unlocking is achieved, and when the external force is removed, the lock cylinder 131 is driven by the restoring force of the first spring 132 to move towards the rotating shaft 20, so as to be clamped into the gap 40 between the nut member 11 and the extension part 21, and locking is achieved.
In an embodiment, as shown in fig. 3 and 5, the fixing block 15 is provided with a through hole 151 for the end of the rotating shaft 20 to extend into, and a yielding gap 153 is formed on one side of the through hole 151 facing the self-locking member 13 to allow the second end 1312 of the self-locking member 13 to extend into and abut against the end face of the nut member 11, so as to be clamped into the gap 40 between the nut member 11 and the extension portion 21.
In one embodiment, as shown in fig. 2, a cavity 16 is provided between the fixed block 15 and the end cap 12 to accommodate the self-locking member 13.
Further, as shown in fig. 2 and 5, since the outer peripheral side of the fixing block 15 is assembled with the end cap 12, and the fixing block 15 has a certain thickness, a surface of the fixing block 15 facing the end cap 12 is concaved inward to form the receiving groove 154 for partially receiving the self-locking member 13, so as to reduce the thickness of the cavity 16, thereby reducing the size of the nut assembly 10.
In one embodiment, as shown in fig. 2 and 3, the elastic top piece 14 further comprises an elastic top piece, one end of the elastic top piece abuts against the outer wall of the bottom of the inner barrel 30, and the other end of the elastic top piece faces the self-locking piece 13;
When the nut assembly 10 is assembled on the rotating shaft 20, the self-locking piece 13 compresses the elastic top piece 14, and when the nut assembly is unlocked, the elastic top piece 14 pushes the self-locking piece 13 open. The elastic top piece 14 plays a role in assisting in bouncing off the self-locking piece 13, drives the self-locking piece 13 to move away from the inner barrel 30 along the axial direction of the rotating shaft 20, releases hands of a user, does not need the user to pull the self-locking piece 13 and take off the end cap 12, and simplifies the operation. In a specific embodiment, the end cap 12 cooperates with the fixing block 15 to mount the self-locking member 13, one end of the elastic top member 14 is opposite to a surface of the fixing block 15, and when the elastic top member 14 rebounds, it pushes against the outer wall of the fixing block 15, and the end cap 12, the self-locking member 13 and the fixing block 15 are sprung together.
Further, the elastic top 14 includes:
The second spring 141 is sleeved outside the nut member 11;
a cover 142 provided at an end of the second spring 141 facing the end cap 12;
When the second spring 141 rebounds, it abuts against the inner surface of the cover 142, so as to push the self-locking member 13 through the cover 142. Specifically, the deformation restoring force is stored by being compressed when the self-locking member 13 is self-locked by the deformation force of the second spring 141, and when the self-locking member 13 is unlocked, the deformation restoring force of the second spring 141 is restored to form the urging force toward the end cap 12. The cover 142 has a simple structure, and the cover 142 bears the collision force when the second spring 141 rebounds, so as to avoid cutting the self-locking piece 13 and prolong the service life of the self-locking piece 13. In a specific embodiment, the cover 142 is propped against the outer wall of the fixed block 15 when being propped up by the second spring 141, so as to avoid rubbing the outer wall of the fixed block 15.
In one embodiment, the cover 142 is a flat plate structure covering one end of the second spring 141. In yet another embodiment, the peripheral profile of the cover 142 extends toward the second spring 141 to form a rim 1421 to enclose the end of the second spring 141.
Further, the elastic top member 14 further includes a fixing member 143 sleeved on the outer side of the nut member 11 and abutting against the outer wall of the bottom of the inner cylinder 30, and one end of the second spring 141 abuts against the fixing member 143. When the second spring 141 stretches, an acting force is applied to the fixing piece 143 so as not to scratch the outer wall of the inner cylinder 30.
Further, as shown in fig. 2, the fixing member 143 includes an abutment plate 1431 and a protrusion 1432, the abutment plate 1431 abuts against the outer wall of the bottom of the inner cylinder 30, and the protrusion 1432 surrounds the end of the nut member 11 facing the inner cylinder 30, so as to reduce the scratch of the nut member 11 during the expansion and contraction process of the second spring 141.
Example 2
The invention provides a self-locking quick-release nut for an inner barrel of a washing machine, which comprises a nut member 11 and a self-locking member 13, as shown in fig. 7, 8, 11 and 12, wherein the nut member 11 is used for fixing the end part of a rotating shaft 20 from the inside of the inner barrel 30 of the washing machine and abutting against the inner barrel 30 to install the inner barrel 30, and the nut assembly 10 comprises an end cap 12 which surrounds the nut member 11, the end cap 12 is provided with a guide rail, the self-locking member 13 is an elastic member, and the self-locking member 13 is fixed in the end cap 12;
When the nut member 11 is abutted against the inner cylinder 30, the self-locking member 13 is inserted into the gap 40 between the nut member 11 and the extension portion 21 of the end portion of the rotating shaft 20 to lock the nut member 11 to the bottom wall of the inner cylinder 30, and in addition, since the self-locking member 13 is fixed to the end cap 12, the end portion of the self-locking member 13 is clamped between the nut member 11 and the rotating shaft to fix the end cap 12 to the nut member 11;
The guide rail is a through groove 121, one end of the self-locking piece 13 extends out of the through groove 121, and when the self-locking piece is unlocked, the end is shifted to enable the self-locking piece 13 to move, and then the self-locking piece 13 is pulled away to loosen the nut piece 11. Specifically, the end of the self-locking member 13 is exposed outside the end cap 12, and the user pulls the end of the self-locking member 13 to withdraw the end inserted into the gap 40 between the nut member 11 and the extension portion 21, thereby realizing unlocking and having simple operation.
In one embodiment, as shown in fig. 8, the self-locking member 13 includes:
The lock cylinder 131 comprises a first end 1311, a second end 1312 and a third end 1313, wherein the second end 1312 is used for being clamped into the gap 40;
a first spring 132, one end of which is fixed to the end cap 12, and the other end of which is sleeved outside the third end 1313;
the first end 1311 is driven by an external force to expand and contract the first spring 132, thereby allowing movement of the lock cylinder 131. Specifically, as shown in fig. 8 and 9, the outer surface of the nut member 11 and the extending portion 21 at the end of the rotating shaft 20 together form a gap 40, and the second end 1312 of the self-locking member 13 is locked in the gap 40 to realize self-locking. Since the second end 1312 can be locked by abutting against the end of the extension 21 away from the end cap 12, the end surface of the second end 1312 may or may not abut against the lateral surface of the shaft 20. Since the second end 1312 moves within the gap 40 toward the shaft 20 to overcome the friction between the second end 1312 and the gap 40, the self-locking member 13 needs to have a matched resilience. In order to reduce the requirement for the resilience force of the self-locking member 13, the end surface of the second end 1312 does not abut against the lateral surface of the rotating shaft 20, so that in order to stabilize the movement of the self-locking member 13 towards the rotating shaft 20, when the second end 1312 of the self-locking member 13 extends into the gap 40 and can firmly abut against the extension portion 21, the first end 1311 of the self-locking member 13 abuts against the inner wall of the through slot 121, and at this time, a gap exists between the end surface of the second end 1312 facing the rotating shaft 20 and the outer surface of the rotating shaft 20. The first spring 132 is arranged, the first spring 132 is stressed and compressed under the driving of the external force of the lock column 131, so that the lock column 131 can move away from the rotating shaft 20, unlocking is realized, and after the external force is removed, the lock column 131 is driven to move towards the rotating shaft 20 under the restoring force of the first spring 132, so that the lock column is clamped into the gap 40 between the nut piece 11 and the extension part 21, and locking is realized.
In one embodiment, as shown in fig. 8 and 9, the end cap 12 is provided with a cavity 122, the self-locking member 13 is disposed in the cavity 122, and one end of the self-locking member abuts against or is clamped on a side wall of the cavity 122 to achieve fixation, and an opening 123 is provided in the cavity 122 facing a side wall of the inner cylinder 30 for the end portion of the rotating shaft 20 to extend into. Specifically, the cavity 122 accommodates the self-locking member 13, so that on one hand, the arrangement of the self-locking member 13 is hidden to improve the aesthetic appearance, and on the other hand, the self-locking member 13 is prevented from being exposed to be damaged or knocked down due to external force collision. When assembled, the end of the shaft 20 extends into the cavity 122 from the opening 123 to cooperate with the self-locking member 13 to achieve locking.
In one embodiment, as shown in FIG. 9, the end cap 12 is an integral piece and the self-locking member 13 is received in the cavity 122 through the opening 123. In yet another embodiment, a side wall of the cavity 122 facing the inner cylinder 30 is a detachable sheet structure, and the sheet structure is installed after the self-locking member 13 is assembled.
In an embodiment, as shown in fig. 9 and 10, the opening 123 includes a first opening portion 1231 and a first opening portion 1232, which are connected to each other, the first opening portion 1232 has a circular contour for the shaft 20 to pass through, and the first opening portion 1232 has a rectangular contour for facilitating the movement of the second end 1312 of the self-locking element 13 along a direction away from or close to the shaft 20.
Further, as shown in fig. 9, 11 and 12, the through groove 121 is disposed on a side wall of the cavity 122 facing away from the inner cylinder 30. When the nut assembly 10 is screwed to the end of the spindle 20, a side wall of the cavity 122 facing away from the inner barrel 30 faces the user, and the through groove 121 is formed in the side wall, that is, the second end 1312 of the self-locking element 13 faces the user, so that the user can conveniently toggle the second end 1312 to unlock. In another embodiment, the through groove 121 is disposed on a side wall of the periphery of the cavity 122, and the user touches the second end 1312 of the self-locking element 13 by hand to toggle and unlock.
In an embodiment, as shown in fig. 7, 11 and 12, the through groove 121 is L-shaped, and when the lock is unlocked, the second end 1312 is pushed by an external force to move along the contour of the through groove 121 and abut against the corner of the inner wall of the through groove 121, so that the user can release the second end 1312, thereby facilitating the operation. In addition, the through groove 121 is L-shaped, and an external force is required to toggle the second end 1312 of the self-locking member 13 along the L-shaped path, i.e. the toggle direction is specific, and the movement track of the clothes is changeable when the washing machine is running, so as to prevent the clothes from striking the second end 1312 and being unlocked erroneously when the washing machine is running.
In one embodiment, as shown in fig. 7 and 8, the device further comprises an elastic top piece 14, one end of which abuts against the outer wall of the bottom of the inner barrel 30, and the other end of which faces the self-locking piece 13;
When the nut assembly 10 is assembled on the rotating shaft 20, the self-locking piece 13 compresses the elastic top piece 14, and when the nut assembly is unlocked, the elastic top piece 14 pushes the self-locking piece 13 open. The elastic top piece 14 plays a role in assisting in bouncing off the self-locking piece 13, drives the self-locking piece 13 to move away from the inner barrel 30 along the axial direction of the rotating shaft 20, releases hands of a user, does not need the user to pull the self-locking piece 13 and take off the end cap 12, and simplifies the operation. In one embodiment, the end cap 12 has a cavity 122, and the self-locking member 13 is disposed in the cavity 122, so that the elastic top member 14 is pushed against the outer wall of the cavity 122 when rebounding, and the end cap 12 is sprung together with the self-locking member 13.
In one embodiment, the resilient top 14 comprises:
The second spring 141 is sleeved outside the nut member 11;
a cover 142 provided at an end of the second spring 141 facing the end cap 12;
When the second spring 141 bounces back, it abuts against the inner surface of the cover 142 to push the end cap 12 through the cover 142. Specifically, the deformation restoring force is stored by being compressed when the self-locking member 13 is self-locked by the deformation force of the second spring 141, and when the self-locking member 13 is unlocked, the deformation restoring force of the second spring 141 is restored to form the urging force toward the end cap 12. The cover 142 is simple in construction and replacement less costly than the end cap 12. The cover 142 bears the collision force when the second spring 141 rebounds, so that the end cap 12 is prevented from being scratched, and the service life of the end cap 12 is prolonged.
In one embodiment, the cover 142 is a flat plate structure covering one end of the second spring 141. In yet another embodiment, as shown in fig. 8 and 9, the circumferential profile of the cover 142 extends toward the second spring 141 to form a rim 1421 to enclose the end of the second spring 141.
Further, the elastic top member 14 further includes a fixing member 143 sleeved on the outer side of the nut member 11 and abutting against the outer wall of the bottom of the inner cylinder 30, and one end of the second spring 141 abuts against the fixing member 143. When the second spring 141 stretches, an acting force is applied to the fixing piece 143 so as not to scratch the outer wall of the inner cylinder 30.
Further, as shown in fig. 7 and 9, the fixing member 143 includes an abutting plate 1431 and a protruding portion 1432, the abutting plate 1431 abuts against the outer wall of the bottom of the inner cylinder 30, and the protruding portion 1432 surrounds the end of the nut member 11 facing the inner cylinder 30, so as to reduce the scratch of the nut member 11 during the expansion and contraction process of the second spring 141.
In one embodiment, the nut member 11 and the end cap 12 are formed as a single piece, simplifying the assembly process. In order to improve the assembling strength of the nut member 11, the nut member 11 and the end cap 12 are formed as a single piece of metal. In this embodiment, when the nut assembly 10 is provided with the elastic top member 14, the opening 123 of the end cap 12 is larger in size, so that the elastic top member 14 directly abuts against the self-locking member 13 when rebounding, so that the self-locking member 13 is far away from the end of the rotating shaft 20 to facilitate the detachment of the nut assembly 10.
In yet another embodiment, as shown in fig. 7, the nut member 11, the end cap 12 are a split assembly. The nut member 11 is a metal member for improving the fitting strength of the nut member 11, and the end cap 12 is a plastic member for saving costs.
Further, the end cap 12 is fixed outside the nut member 11 by locking the self-locking member 13 on the rotating shaft 20, or the end cap 12 is clamped on the outer wall of the bottom of the inner cylinder 30 while the self-locking member 13 is locked on the rotating shaft 20, or the nut assembly 10 is further provided with a fixing block which is assembled outside the nut member 11 or movably arranged outside the nut member 11, and the end cap 12 is connected with the fixing block while the self-locking member 13 is locked on the rotating shaft 20.
Example 3
The invention provides a washing machine, which is shown in fig. 1 to 12, and comprises a motor, a rotating shaft 20, an inner cylinder 30 and the self-locking quick-release nut for the inner cylinder of the washing machine, wherein one end of the rotating shaft 20 is coaxially connected with the motor, the other end of the rotating shaft extends into the inner cylinder 30 from the outside of the bottom of the inner cylinder 30, the rotating shaft 20 is used for transmitting the rotating driving force of the motor to the inner cylinder 30, and the nut assembly 10 is screwed on the rotating shaft 20 from the inside of the inner cylinder 30 and is locked on the rotating shaft 20 so as to quickly fix the inner cylinder 30 and the rotating shaft 20. The self-locking is realized through the self-locking part 13 of the nut assembly 10, so that the assembly stability of the inner cylinder 30 and the rotating shaft 20 is improved, and the unlocking is realized through the elasticity of the self-locking part 13, so that the quick disassembly of the inner cylinder 30 is realized.
In one embodiment, as shown in fig. 12, the washing machine 100 includes a flange 50 fixed on the bottom outer wall of the inner cylinder 30 and sleeved on the rotating shaft 20. The inner cylinder 30 is supported by the flange 50 and the rotational driving force of the rotation shaft 20 is transmitted to the inner cylinder 30.
The present invention is not limited to the preferred embodiments, and can be smoothly implemented by those skilled in the art as shown in the drawings and described above, but equivalent changes, modifications and variations of the present invention can be made by those skilled in the art without departing from the technical scope of the present invention, and at the same time, any equivalent changes, modifications and variations of the above embodiments according to the essential technology of the present invention are still within the scope of the technical scheme of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111661533.0A CN116412215B (en) | 2021-12-30 | 2021-12-30 | Self-locking quick-release nut for washing machine inner drum, washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111661533.0A CN116412215B (en) | 2021-12-30 | 2021-12-30 | Self-locking quick-release nut for washing machine inner drum, washing machine |
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| Publication Number | Publication Date |
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| CN116412215A CN116412215A (en) | 2023-07-11 |
| CN116412215B true CN116412215B (en) | 2025-10-21 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110592886A (en) * | 2019-08-05 | 2019-12-20 | 义乌市宏博机械科技有限公司 | Washing machine inner barrel locking and dismounting method |
| CN110629461A (en) * | 2019-08-05 | 2019-12-31 | 义乌市宏博机械科技有限公司 | Washing machine inner barrel dismounting and mounting method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200448095Y1 (en) * | 2008-05-06 | 2010-03-15 | 주식회사 세화 | Loosen Nut |
| JP6843795B2 (en) * | 2018-04-02 | 2021-03-17 | タキゲン製造株式会社 | Simple nuts and simple fasteners using them |
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2021
- 2021-12-30 CN CN202111661533.0A patent/CN116412215B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110592886A (en) * | 2019-08-05 | 2019-12-20 | 义乌市宏博机械科技有限公司 | Washing machine inner barrel locking and dismounting method |
| CN110629461A (en) * | 2019-08-05 | 2019-12-31 | 义乌市宏博机械科技有限公司 | Washing machine inner barrel dismounting and mounting method |
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| CN116412215A (en) | 2023-07-11 |
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