CN115305688A - Positioning ring and washing machine - Google Patents

Abstract

The invention provides a positioning ring which is in a ring shape and comprises a positioning end surface perpendicular to the axial direction, wherein a positioning groove which is sunken towards the inside of the positioning ring is arranged on the positioning end surface, and an opening of the positioning groove is arranged on the positioning end surface. The positioning ring provided by the invention can realize the positioning function through the positioning groove. The invention also provides a washing machine, wherein the positioning ring is arranged in the washing machine and is fixed on the washing drum; the washing machine also comprises a telescopic positioning rod which can correspondingly extend into the positioning groove of the positioning ring. The washing machine provided by the invention can utilize the positioning ring fixed on the washing drum to realize the locking of the washing drum.

Description

Positioning ring and washing machine

Technical Field

The invention relates to the field of drying household appliances, in particular to a positioning ring and a washing machine.

Background

The washing machine is internally provided with a washing drum for washing clothes, and the washing drum is locked at a preset position after washing is finished so as to ensure that the washing drum cannot rotate when a user opens a machine door after washing is finished. In order to lock the washing drum, a telescopic positioning rod is usually fixed in the washing machine, a positioning groove is correspondingly arranged at a fixed structure on the washing drum and/or the washing drum, and the positioning rod extends into the positioning groove to lock the washing drum. At present, a positioning groove is usually formed in a side wall of the washing drum, and the positioning rod extends into the positioning groove to lock the washing drum at a preset position, as in patent CN111041769. This results in the positioning groove on the side wall of the washing drum, which occupies the space of the side wall of the washing drum and reduces the space for accommodating the clothes in the washing machine. The prior washing machine lacks a positioning piece which can be simply and fixedly arranged on the washing drum and is used for the positioning rod to extend into the washing drum for positioning, and the positioning groove can be prevented from being arranged on the side wall of the washing drum through the positioning piece.

The present invention has been made in view of the above problems.

Disclosure of Invention

The invention aims to provide a positioning ring, which can realize the positioning function through the positioning ring. The invention also aims to provide the washing machine, the positioning ring is arranged on the washing drum, and the space in the washing drum is prevented from being occupied by the positioning of the washing drum.

The invention provides a positioning ring, which is in a ring shape and comprises a positioning end surface vertical to the axial direction, wherein a positioning groove sunken towards the inside of the positioning ring is arranged on the positioning end surface, and an opening of the positioning groove is arranged on the positioning end surface. The positioning ring provided by the invention can realize the positioning function through the positioning groove.

Furthermore, the holding ring includes the annular slice body of circle, and the setting of location terminal surface is on the terminal surface that is on a parallel with the radial of slice body, and the constant head tank extends to the holding ring is inside.

Furthermore, a limiting groove which is sunken towards the inner part is arranged on the outer end surface of the flaky body which is parallel to the radial direction; the limiting groove opening is arranged on the outer end face of the sheet-shaped body, and the end face, which is embedded in the sheet-shaped body and is opposite to the limiting groove opening, of the limiting groove is a positioning end face. The positioning rod extending into the sheet body can be limited by arranging the limiting groove, and the positioning rod extending into the positioning groove according to the set track is guaranteed.

Furthermore, the limiting groove is annular and is coaxial with the sheet body; a plurality of positioning grooves are arranged on the positioning end face of the limiting groove embedded in the sheet body; preferably, the radial center line of the limiting groove is coincident with the radial center line of the flaky body; further preferably, a plurality of positioning grooves are all arranged on the limiting groove and located on the radial central line. The position that the spacing groove set up on the slice body is reasonable, and the position that a plurality of constant head tanks set up on the slice body is reasonable, the location of the locating lever of being convenient for.

Further, the specific structure of constant head tank does: the positioning groove extends along the direction vertical to the positioning end surface; the constant head tank is cylindrical groove, and the centre of a circle of constant head tank is located the radial central line of spacing groove.

Furthermore, the outer end face of the flaky body, which is opposite to the positioning end face, is provided with reinforcing ribs protruding outwards, and the protruding direction of each reinforcing rib is consistent with the recessed direction of each positioning groove; preferably, the reinforcing ribs comprise circular arc-shaped reinforcing ribs coaxial with the flaky body, and radial reinforcing ribs which extend along the radial direction of the flaky body and are vertically intersected with the circular arc-shaped reinforcing ribs. The positioning ring is also provided with the reinforcing ribs, and the strength of the positioning ring can be improved through the structure of the reinforcing ribs.

Furthermore, the edge of the sheet-shaped body is provided with a mounting part which protrudes outwards along the radial direction, and the mounting part is provided with a mounting hole; the mounting part is provided with a groove, one end of the groove is provided with an opening, one end of the groove is embedded in the mounting part, the direction of the opening of the groove is consistent with the direction of the opening of the limiting groove, the mounting hole is arranged on the end face of the groove embedded in the mounting part, and the mounting hole penetrates through the mounting part; preferably, two end faces of the sheet-shaped body parallel to the radial direction are respectively flush with two end faces of the mounting part parallel to the radial direction, and the opening of the groove is flush with the opening of the limiting groove. The positioning ring is fixedly connected through the arrangement of the mounting part and the mounting hole. According to the invention, through the arrangement of the groove on the mounting part, the connecting piece required to be arranged in the mounting hole can be embedded in the groove, so that the effect of protecting the connecting piece is achieved. And the appearance of the mounting part and the sheet body is flat and beautiful.

Furthermore, a magnet mounting hole for mounting a magnet is arranged on the positioning ring. Because set up the magnet mounting hole on the holding ring for can install magnet on the holding ring, and then the specific position when the holding ring stall is judged to the magnetic force of accessible detection magnet.

The invention also provides a washing machine, wherein the positioning ring is arranged in the washing machine and is fixed on the washing drum; the washing machine also comprises a telescopic positioning rod which can correspondingly extend into the positioning groove of the positioning ring. The positioning ring is arranged in the washing machine, the locking and positioning of the washing drum can be realized through the positioning ring, the positioning rod can be positioned without extending into the wall of the washing drum, the internal space of the washing drum is saved, and the capacity of the washing drum is ensured.

Further, the specific structure of the positioning ring installed on the washing drum is as follows: the positioning ring is arranged on the bottom end surface of the washing barrel, the positioning ring and the washing barrel are coaxially arranged, the opening of the limiting groove faces downwards, and the radial outer edge of the positioning ring is arranged inside the radial outer edge of the bottom end surface; a triangular supporting structure is fixed on the bottom end face of the washing barrel, and a positioning ring is fixed with the supporting structure; preferably, the bottom end surface of the washing barrel is provided with an installation groove, and the reinforcing rib of the positioning ring is embedded in the installation groove. By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1) The positioning ring provided by the invention is internally provided with the positioning groove, and can correspondingly extend into the positioning groove through other structures such as the positioning rod and the like to realize positioning. And the positioning ring provided by the invention is of a sheet structure, so that the structure is relatively space-saving and simple.

2) The positioning ring is also provided with a limiting groove structure, so that the positioning ring can limit a positioning rod extending into the positioning ring, and the positioning rod can be ensured to extend into the positioning hole according to a set track. The fixing part is also provided with a groove, and the mounting hole is embedded in the groove, so that a connecting piece needing to be arranged in the mounting hole is embedded in the groove, and the connecting piece can be protected by the groove. And the design of the structures such as the mounting part and the sheet body on the positioning ring enables the appearance of the positioning ring to be relatively flat and beautiful.

3) The positioning ring is further provided with the reinforcing ribs, the strength of the positioning ring is enhanced through the reinforcing ribs, and the structure of the positioning ring is guaranteed not to be damaged no matter the positioning ring is fixed through a screw or a positioning rod penetrates into the positioning groove. The positioning ring is provided with the magnet mounting hole, so that the magnet can be mounted on the positioning ring, and the specific position of the positioning ring during stalling can be judged by detecting the magnetic force of the magnet.

4) The invention also provides a washing machine, wherein the positioning ring is arranged in the washing machine, the locking of the washing drum can be realized through the positioning ring arranged outside the washing drum, the positioning rod is prevented from extending into the side wall of the washing drum, the space occupied in the washing drum is reduced, and the capacity of the washing drum is ensured.

5) The positioning ring is arranged on the bottom end face of the washing barrel, so that the positioning rod extends into the washing barrel from the bottom of the washing barrel with a larger space, and the space at the bottom of the washing barrel is fully utilized. And the positioning ring is arranged on the bottom end face of the washing barrel, so that the positioning ring cannot protrude out of the side part of the washing barrel along the radial direction, and the space of the side part of the washing barrel is ensured. The positioning ring is also fixed with a triangular support which supports the bottom of the washing barrel and has higher strength, so that the stable fixation of the positioning ring is ensured.

The following detailed description of embodiments of the invention refers 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 also be derived from them without inventive effort.

FIG. 1 is a schematic view of a positioning ring according to embodiments 1 and 2 of the present invention;

FIG. 2 is a schematic cross-sectional view of a retaining ring in alignment according to embodiments 1 and 2 of the present invention;

FIG. 3 is a schematic cross-sectional view of the retaining ring in embodiments 1 and 2 of the present invention in an inverted position;

FIG. 4 is a schematic view of the positioning ring installed at the bottom of the washing tub in embodiment 2 of the present invention;

FIG. 5 is a schematic view of the positioning ring mounted on the bottom of the washing tub and cooperating with the positioning rod in embodiment 2 of the present invention;

FIG. 6 is a schematic view showing a positioning ring mounted on the front end of a washing tub in embodiment 2 of the present invention;

fig. 7 is a schematic view of the first housing in embodiment 3 of the present invention when the first housing is upright;

FIG. 8 is a schematic view showing the first casing in the inverted state according to embodiment 3 of the present invention;

fig. 9 is a schematic view of the second housing in the embodiment 3 of the present invention when the second housing is upright;

FIG. 10 is a schematic view showing the second casing in the inverted state in embodiment 3 of the present invention;

FIG. 11 is an overall view of a positioning ring according to embodiment 3 of the present invention;

FIG. 12 is a schematic view showing the positioning ring mounted on the front end of the washing tub in embodiment 4 of the present invention;

FIG. 13 is a schematic view of the positioning ring mounted on the bottom of the washing tub in embodiment 4 of the present invention.

Reference numerals in the drawings indicate:

1. a sheet-like body; 2. positioning a groove; 3. an installation part; 4. mounting holes; 5. a limiting groove; 6. opening the limiting groove; 7. an opening; 8. reinforcing ribs; 9. a groove; 10. an opening of the groove; 11. a positioning ring; 12. positioning a rod; 13. a bottom end face; 14. a support structure; 15. mounting grooves; 16. a first housing; 17. a second housing; 18. positioning a groove; 19. a screw fixing groove; 20. the opening of the positioning groove; 21. a top plate; 22. a nut fixing groove; 23. the nut fixing groove is opened; 24. a base plate; 25. a screw slot; 26. clamping holes; 27. clamping convex; 28. An upper housing opening; 29. a first reinforcing rib; 30. a lower housing opening; 31. a second reinforcing rib; 32. A positioning ring; 33. washing a front flange of the cylinder; 34. a screw; 35. and positioning the end face.

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

Washing machine should control the washing section of thick bamboo locking at predetermined position after the washing, often sets up the telescopic locating lever among the washing machine, stretches into the realization through the locating lever and fixes a position the locking of washing section of thick bamboo in the constant head tank. However, in the current washing machine, the positioning groove is usually disposed on the sidewall of the washing drum, which causes the positioning groove to occupy the space on the sidewall of the washing drum, and reduces the capacity inside the washing drum. Therefore, there is a need for a positioning ring mountable on a washing drum, wherein the positioning rod can be locked to the washing drum by extending into the positioning groove on the positioning ring, so as to prevent the positioning groove from occupying the space on the side wall of the washing drum and affecting the capacity of the washing drum.

Example 1

The present embodiment provides a positioning ring 11, and the positioning ring 11 can be in various structural forms, for example, the positioning ring 11 can be a single-layer sheet or a multi-segment single-layer sheet structure. The positioning ring 11 is arranged in a circular ring shape in this embodiment, and since the washing drum is generally cylindrical, the circular ring-shaped positioning ring 11 is easier to arrange on the washing drum. Set up perpendicular to axial location terminal surface 35 on the holding ring 11 at least, set up on the location terminal surface 35 to the inside sunken constant head tank 2 of holding ring 11, the opening setting of constant head tank 2 is on location terminal surface 35. By the arrangement, the positioning rod 12 can be contacted with the positioning ring 11 on the positioning end surface 35, and the positioning rod 12 can finally extend into the positioning groove 2 to position the washing barrel.

The whole positioning ring 11 is a sheet structure, so that the positioning ring can be easily installed at any position and saves space. Specifically, the positioning ring 11 includes a sheet body 1, and the sheet body 1 has a circular ring shape. As shown in fig. 2 and 3, the positioning groove 2 axially recessed toward the inside of the positioning ring is formed in the sheet body 1, and the opening 7 is formed in the middle of the positioning groove 2 and the position where the positioning groove 2 is connected with the sheet body 1. Set up constant head tank 2 to the structure of inside sunken certain distance for when positioning rod 12 penetrated constant head tank 2 by opening 7, positioning rod 12 can be with constant head tank 2 limit mutually cooperation, guarantee that positioning rod 12 will wash barrel locking. And because the positioning groove 2 is arranged to be of an inward sunken structure, the sheet body 1 can be arranged to be of a thinner structure and save space. The positioning groove 2 can be a groove structure with an opening 7 at one end and a closed end, or a groove structure with openings at both ends, and it is only necessary to ensure that the opening 7 at one end of the positioning groove 2 is arranged on the positioning end face 35, so that the positioning rod 12 can be inserted from the positioning end face 35. The positioning ring 11 itself may be provided as an integral ring structure, or the positioning ring 11 may be formed by splicing a plurality of circular arc structures as shown in fig. 1. Preferably, as shown in fig. 1, the positioning ring 11 is formed by splicing a plurality of circular arc structures, and the positioning grooves 2 are arranged at the splicing positions of the circular arc structures.

The sheet-like body 1 is provided with a mounting part 3, and the mounting part 3 is provided with a mounting hole 4. When it is desired to fix the positioning ring 11, the fixation of the positioning ring 11 can be achieved by a connecting piece passing through the mounting hole 4. The specific installation part 3 is arranged at the edge of the sheet body 1 and protrudes outwards along the radial direction, so that the installation part 3 can be prevented from occupying the space on the positioning ring 11 sheet body 1, and the positioning groove 2 is conveniently arranged on the sheet body 1. And the mounting portion 3 extends from the edge of the sheet body 1 to either side as necessary. Because the holding ring 11 of this embodiment is more suitable for and installs on the washing section of thick bamboo, and in order to prevent that the holding ring 11 from taking up the more space in washing section of thick bamboo outside, can all set up the installation department 3 of holding ring 11 in the one side that is close to the washing section of thick bamboo axle center, the installation department 3 all sets up the inboard that is close to its centre of a circle on convex holding ring 11 promptly, and installation department 3 all extends to inside, avoids taking up the outside space of washing section of thick bamboo. Preferably, a plurality of mounting portions 3 are arranged on the sheet body 1, and the centers of the mounting holes 4 on the plurality of mounting portions 3 are all arranged on the same circular arc track coaxial with the sheet body 1. Set up a plurality of installation departments 3 and make the fixed more firm to holding ring 11, and all set up a plurality of mounting holes 4 on same circular arc orbit for the relatively even, the messenger atress of arranging of mounting hole 4 is more steady.

The position of the mounting hole 4 on the mounting part 3 needs to be provided with a connecting piece such as a screw, and in order to protect the connecting piece and prevent the connecting piece from contacting water, a groove 9 can be arranged at the position of the mounting hole 4, so that the connecting piece can be embedded in the groove 9 after mounting, and the water which can contact with the connecting piece can be blocked by the groove 9. As shown in fig. 1 and 3, a groove 9 is arranged on the mounting part 3, one end of the groove 9 is provided with an opening, one end of the groove is embedded in the mounting part 3, the opening 10 of the groove is consistent with the orientation of the limiting groove opening 6, a mounting hole 4 is arranged on the end face of the groove 9 embedded in the mounting part 3, and the mounting hole 4 penetrates through the mounting part 3. Thus, when the connecting piece is arranged in the mounting hole 4, the groove 9 can play a role in protecting the connecting piece. Preferably, two end faces of the sheet-shaped body 1 parallel to the radial direction are respectively flush with two end faces of the mounting part 3 parallel to the radial direction, and the opening 10 of the groove is flush with the limiting groove opening 6. The appearance is more pleasing to the eye like this to installation department 3 is level mutually with slice body 1, makes installation department 3 can not occupy the axial more space of wash bowl.

As shown in fig. 2 and 3, the sheet body 1 of the positioning ring 11 is provided with a limiting groove 5, and the motion trail of the positioning rod 12 is limited by the limiting groove 5. The limiting groove 5 is a groove sunken towards the inside of the sheet-shaped body 1, the positioning rod 12 can slide in the limiting groove 5, and finally the positioning rod 12 extends into the positioning groove 2 to lock the washing drum. Since the washing drum is generally cylindrical, when the washing drum rotates, the contact position between the fixed positioning rod 12 and the rotating washing drum changes continuously, and the track of the contact position finally forms an arc shape. Therefore, the limiting groove 5 is arc-shaped and is coaxial with the sheet body 1, when the washing drum rotates, the positioning rod 12 can stretch into the limiting groove 5, and the limiting groove 5 limits the positioning rod 12.

Because the positioning rod 12 only needs to extend into the limiting groove 5 for rotation, the limiting groove 5 can be set to a groove structure with an opening at only one end, so that the positioning rod 12 extends into the limiting groove from the limiting groove opening 6. As shown in fig. 2 and 3, the limiting groove 5 has a limiting groove opening 6 at one end, and the one end is embedded in the sheet body 1, the limiting groove opening 6 is disposed on an outer end face of the sheet body 1 parallel to the radial direction, and the limiting groove 5 is recessed toward the positioning groove 2 from the outer end face. The positioning rod 12 can extend into the limiting groove 5 along the direction perpendicular to the radial direction of the flaky body 1, and the positioning rod 12 slides along the limiting direction of the limiting groove 5 in the rotating process of the washing drum. When the washing drum needs to be locked, the washing drum stops rotating, the positioning rod 12 embedded in the limiting groove 5 extends into the positioning groove 2 along the axial direction of the limiting groove 5, and finally the positioning rod 12 extends into the positioning groove 2 to complete locking of the washing drum. The end face of the limiting groove 5 embedded in the sheet body 1 is a positioning end face 35, the opening 7 of the positioning groove 2 is arranged on the positioning end face 35, and the positioning groove 2 is sunken from the opening 7 to the inside of the positioning ring 11; the positioning rod 12 which is embedded in the limiting groove 5 conveniently and directly extends into the positioning groove 5.

In practice, the positioning slots 2 can be provided at various positions on the sheet-like body 1 in order to lock the washing drum in a plurality of different positions. Specifically, as shown in fig. 1, a plurality of positioning grooves 2 are provided on the sheet body 1 of the positioning ring 11, and the plurality of positioning grooves 2 are arranged along a certain circular arc track coaxial with the sheet body 1. The rotary washing drum can be communicated with any set position according to requirements, the positioning rod 12 is opposite to the positioning groove 2 at a certain position on the washing drum at the set position, and the positioning rod 12 extends into the opposite positioning groove 2 to complete the locking of the washing drum.

As shown in fig. 2, since the screws are needed to fix the positioning ring 11 and the positioning rod 12 needs to extend into the positioning groove 2 of the positioning ring 11, the strength of the positioning ring 11 has certain requirements, so that the reinforcing rib 8 can be arranged on the positioning ring 11. The radial space on the lamellar body 1 is bigger, the reinforcing rib 8 can be arranged on the radial end surface of the lamellar body 1, and in order to give the positions of the limiting groove 5 and the mounting part 3, the reinforcing rib 8 can be arranged on the end surface opposite to the opening 6 of the limiting groove, and the protruding direction of the reinforcing rib 8 is consistent with the sunken direction of the positioning groove 2. Preferably, the reinforcing ribs 8 include circular arc reinforcing ribs coaxial with the sheet-like body 1, and radial reinforcing ribs extending in the radial direction of the sheet-like body 1 and perpendicularly intersecting the circular arc reinforcing ribs. That is, the structure of the reinforcing rib 8 includes a structure staggered in the transverse direction and the longitudinal direction, and can correspondingly strengthen the strength of the positioning ring 11 in various different directions.

The positioning ring 11 is further provided with a magnet mounting hole for mounting a magnet, and the position of the positioning ring 11 can be judged by sensing the magnetic force of the magnet mounted on the positioning ring 11 when the positioning ring 11 stops rotating to a plurality of different positions through mounting the magnet.

The positioning ring 11 provided by the embodiment is integrally flaky, occupies a small space, and is conveniently installed on a washing drum. Still through the structure of constant head tank 2, spacing groove 5 on the holding ring 11, realize accomplishing the locking location in the restriction, the locating lever 12 that stretch into constant head tank 2 to the motion of holding ring 12. The holding ring 11 that this embodiment provided promptly's structural design is reasonable, can conveniently install on the washing section of thick bamboo, realizes that the locating lever 12 stretches into the interior completion locking location of holding ring 11, avoids the locating lever 12 to stretch into the washing section of thick bamboo lateral wall and fixes the position.

Example 2

On the basis of the above embodiments, the present embodiment provides a washing machine, in which the positioning ring 11 described in embodiment 1 is fixed on the washing drum of the washing machine, and specifically, the positioning ring 11 is fixed on the washing drum 12 by arranging a connecting piece in the mounting hole 4. The installation position of the specific positioning ring 11 needs to be matched with the telescopic positioning rod 12 described in embodiment 1, so as to ensure that the positioning rod 12 can correspondingly extend into the positioning groove 2 of the positioning ring 11.

The positioning ring 11 can be disposed at any position of the front end or the rear end of the washing drum, and since the space of the rear end of the washing drum is large and the center of gravity of the washing drum tends to be relatively backward, the positioning ring 11 is disposed at the rear end of the washing drum in the embodiment as an example. As shown in fig. 4, 5, the positioning ring 11 is mounted on the bottom end face 13 of the washing drum 12. So that the positioning ring 11 takes up only a small space outside the bottom end face 13 of the washing tub. And the radial outer edge of the positioning ring 11 is arranged inside the radial outer edge of the bottom end surface 13, so that the positioning ring 11 does not occupy the space outside the side wall of the washing drum, and the space on the side part of the washing drum can be saved. The positioning ring 11 and the washing barrel are coaxially arranged, and the opening 6 of the limiting groove faces downwards; the arrangement is such that when the washing drum rotates, the positioning rod 12 at the bottom of the bottom end surface of the washing drum can be embedded into the limiting groove 5 and can slide along the limiting groove 5. Finally, after the positioning rod 12 axially extends into the positioning groove 2 along the positioning groove 2, the washing drum is locked. In this embodiment, the positioning ring 11 is fixed on the bottom end surface of the bottom of the washing barrel, so that the space can be saved; compared with the prior proposal that the positioning rod 12 extends into the side wall of the washing drum, the utility model can reduce the space occupied by the side wall of the washing drum and improve the capacity of the washing drum.

Specific fixing structure of positioning ring 11 in the washing machine as shown in fig. 4 and 5, a supporting structure 14 similar to a triangle is fixed on the bottom end surface 12 of the washing drum, and the positioning ring 11 is fixed with the supporting structure 14 through the mounting hole 4. Because the supporting structure 14 mainly plays a role of supporting the bottom of the washing drum, the strength of the supporting structure 14 is high, the positioning ring 11 is fixed with the supporting structure 14, and the stability of the positioning ring 11 can be guaranteed. Preferably, the support structure 14 is provided with an internally threaded hole opposite the mounting hole 4 of the positioning ring 11, into which the connecting element extends correspondingly through the mounting hole 4.

As shown in fig. 5, a mounting groove 15 is provided on the bottom end surface of the washing tub 12, and the reinforcing rib 8 of the positioning ring 11 is embedded in the mounting groove 15. When 5 openings in the spacing groove of holding ring 11 were fixed down at the bottom face 13 of a washing section of thick bamboo, the strengthening rib 8 on the holding ring 11 can be embedded in mounting groove 15, more saved space, and the structure that exposes on holding ring 11 at the washing section of thick bamboo bottom end face is spacing groove 5, installation department 3 etc. and as before the terminal surface of holding ring 5 flushes with the terminal surface of installation department 3 mutually for the outermost terminal surface level of holding ring 11 makes the outward appearance of holding ring 11 pleasing to the eye, level. The mounting groove 15 can be correspondingly provided with a structure fixed with the positioning ring 11, so as to position the positioning ring 11 when the positioning ring 11 is mounted.

As shown in fig. 6, the retaining ring 11 may also be mounted to the front end of the washing drum, and may be correspondingly mounted to the washing drum front flange 33.

The washing machine provided by the embodiment reasonably arranges the positioning ring 11 on the bottom end surface 13 of the washing drum, so that the space in the washing machine can be saved, and related structures such as the positioning rod 12 and the like are arranged at the bottom of the washing drum with larger space, so that the structural arrangement is more reasonable. The bottom end surface 13 of the washing barrel is also provided with an installation groove 15, so that the reinforcing ribs 8 of the positioning ring 11 can be fixed in the installation groove 15, the space can be saved, and the appearance can be ensured.

Example 3

In the present embodiment, on the basis of the above embodiment, another type of positioning ring 32 is provided, as shown in fig. 7, the positioning ring 32 is formed by buckling the first casing 16 and the second casing 17. The first shell 16 and the second shell 17 are buckled to form a circular shell with a hollow space inside; the outer end face of the first shell 16 or the second shell 17 perpendicular to the axial direction of the positioning ring 32 is provided with a positioning groove 18 recessed toward the inside of the positioning ring 32, and the positioning groove 18 is embedded in the hollow space. The positioning ring 32 of this embodiment is formed by a two-part housing that is assembled together such that the positioning slot 18 is located within the hollow interior of the positioning ring 32. When the positioning ring 32 is installed, the internal structure of the washing machine does not need to be changed due to the avoidance of the positioning groove 18, and only the shell structure of the positioning ring 32 needs to be directly fixed.

The first housing 16 and the second housing 17 can be fastened in various ways, so that the first housing 16 and the second housing 17 can have various structures, and this embodiment is described by taking the first housing 16 and the second housing 17 as "n" shaped grooves as an example. The first shell 16 and the second shell 17 are both arc-shaped, and are both grooves with openings on one end surfaces parallel to the radial direction, and the openings of the first shell 16 and the second shell 17 are oppositely buckled to form a positioning ring 32. The first housing 16 and the second housing 17 are divided up and down along the axial direction of the positioning ring 32. The first casing 16 and the second casing 17 can be provided with positioning slots 18, and the embodiment will be described by taking the positioning slot 18 provided on the first casing 16 as an example. The positioning groove 18 is provided on an outer end surface of the first housing 16 perpendicular to the axial direction of the positioning ring 32, so that the positioning rod 12 can be inserted into the positioning groove 18 from the outside of the first housing 16. Specifically, the positioning groove 18 is disposed on the first housing 16, so that the positioning rod 12 is correspondingly inserted into the positioning groove 18 from the upper end of the positioning ring 32 to be positioned. It is also practical to provide the positioning groove 18 on the outer end surface of the second housing 17 perpendicular to the axial direction of the positioning ring 32.

As shown in fig. 7-10, the first housing 16 has a top plate 21, and two side portions of the top plate 21 are connected to a side wall perpendicular thereto to form an "n" type structure; the second housing 17 has a bottom plate 24, and two side portions of the bottom plate 24 are connected to side walls perpendicular thereto to form an inverted "n" shaped structure. The first housing 16 and the second housing 17 are mainly engaged with each other by engaging holes 26 and engaging projections 27. Two side walls of the first shell 16 perpendicular to the top plate 21 are respectively provided with a clamping hole 26, and the clamping hole 26 penetrates through the side wall where the clamping hole is located; two side walls of the second housing 17 perpendicular to the bottom plate 24 are respectively and correspondingly provided with a locking protrusion 27, and the locking protrusions 27 protrude from the side walls to the outside of the second housing 17. When the openings of the first housing 16 and the second housing 17 are opposite and the second housing 17 is buckled inside the first housing 16, the locking protrusion 27 can be correspondingly inserted into the locking hole 26. That is, the engagement of the first housing 16 and the second housing 17 is achieved by the engagement of the engagement projection 27 and the engagement hole 26. The first housing 16 and the second housing 17 can also be fastened according to other forms, for example, two side walls of the first housing 16 are opposite to two side walls of the second housing 17, and fastening structures capable of being fastened are correspondingly disposed at opposite positions of the two side walls. The first housing 16 and the second housing 17 of this embodiment can be engaged with each other in the manner shown in fig. 11 and 12, so that the engaging operation is simple, the second housing 17 only needs to be inserted into the first housing 16, and the position of the engaging protrusion 27 is opposite to the position of the engaging hole 26, so that the engaging operation between the first housing 16 and the second housing 17 is automatically achieved by engaging the engaging protrusion 27 with the engaging hole 26.

The specific structure of the positioning slot 18 on the first casing 16, as shown in fig. 7 and 8, the positioning slot 18 is a groove-shaped structure with an opening at one end and a closed end. A detent opening 20 is provided on an outer end face of the first housing 16 parallel to a radial direction, top plate 21 where no opening is provided, and the detent 18 extends in the axial direction toward the open end of the first housing 16. The detent opening 20 is provided on the outer end face of the top plate 21 so that the detent lever 12 can extend from a position above the detent ring 32 into the detent 18. The positioning groove 18 may be provided as a groove body having openings at both ends, if necessary.

The outer end face of the first shell 16 or the second shell 17 perpendicular to the axial direction of the positioning ring 32 is provided with a screw fixing groove 19, the position where the screw fixing groove 19 is connected with the outer end face is provided with an opening, and the screw fixing groove 19 is embedded in the hollow space of the positioning ring 32 and is arranged in a staggered mode with the positioning groove 18. The fixation of the positioning ring 32 is realized by passing screws in the screw fixation grooves 19. And because the screw fixing groove 19 is arranged in the hollow space, the screw 34 for fixing the positioning ring 32 is finally embedded in the hollow space, so that the screw 34 and the positioning rod 12 can be arranged in the hollow space in a staggered manner, and the effect of saving space can be achieved. The present embodiment will be described by taking an example in which the screw fixing groove 19 is provided in the second housing 17.

The specific structure of the screw fixing groove 19 on the second housing 17 is shown in fig. 9 and 10. The screw fixing groove 19 is a stepped groove, and a nut fixing groove 22 is formed at a position of the screw fixing groove 19 adjacent to the bottom plate 24. The nut fixing groove 22 is a groove structure having an opening at one end and a blocking surface at the opposite end of the opening, the nut fixing groove opening 23 is provided on the outer end surface of the bottom plate 24 parallel to the radial direction of the second housing 17 where the opening is not provided, and the nut fixing groove 22 is recessed from the nut fixing groove opening 23 in the axial direction toward the open end of the second housing 17. And a screw hole for a screw to penetrate is provided on the blocking surface of the nut fixing groove 22. The nut fixing groove 22 may be directly embedded in the bottom plate 24 of the second housing 17. This arrangement allows the nuts to be directly inserted into the nut fixing grooves 22 of the bottom plate 24 of the second housing 17 from the bottom of the second housing 17. Thus, after the threaded connecting piece extends into the screw fixing groove 19, the threaded connecting piece can be matched with the embedded nut, and the fixing effect is realized.

As shown in fig. 9 and 10, the screw fixing groove 19 further includes a screw groove 25, and one end of the screw groove 25 is fixed to the end surface of the nut fixing groove 22 where no opening is provided, that is, one end of the screw groove 25 is fixed to the blocking surface of the nut fixing groove 22 and extends from the blocking surface in the axial direction toward the opening end of the second housing 17; both ends of the screw groove 25 have openings, and the opening at one end of the screw groove 25 is provided on the blocking surface of the nut fixing groove 22 so as to face the screw hole. That is, the screw fixing groove 19 is provided with the nut fixing groove 22 and the screw groove 25 in sequence from the bottom, and after the screw extends into the screw fixing groove 19, the screw passes through the screw hole of the nut fixing groove 22 and finally extends into the screw groove 25, so that the fixing of the positioning ring 32 can be realized by the screw penetrating into the screw fixing groove 19. Due to the shape and structure of the screw and the nut, the nut fixing groove 22 and the screw groove 25 are designed to be cylindrical grooves; and since the diameter of the nut is generally larger than that of the screw, the diameter of the nut fixing groove 22 is larger than that of the screw groove 25, that is, the screw fixing groove 19 is configured as a stepped groove from bottom to top. The screw fixing groove 19 formed in the second housing 17 of this embodiment facilitates fixing screws, so that the fixing of the positioning ring 32 can be completed only by fixing screws at a position where the positioning ring 32 needs to be installed, making the screw fixing groove 19 of the positioning ring 32 opposite to the screws, and penetrating the screws into the screw fixing groove 19.

In order to ensure the strength of the first and second cases 16 and 17, the present embodiment further provides reinforcing ribs in the first and second cases 16 and 17. As shown in the drawing, the top plate 21 of the first housing 16 is provided on its inner end surface near the upper housing opening 28 with a first reinforcing rib 29 extending from the inner end surface toward the upper housing opening 28 end; a second reinforcing rib 31 is provided on an inner end surface of the bottom plate 24 of the second housing 17 near the lower housing opening 30, and the second reinforcing rib 31 extends from the inner end surface toward the lower housing opening 30. The first reinforcing rib 29 and the second reinforcing rib 31 include arc-shaped reinforcing ribs respectively arranged along the arc-shaped structures of the first shell 16 and the second shell 17, and the arc-shaped reinforcing ribs are coaxial with the arc-shaped first shell 16 and the arc-shaped second shell 17. The first reinforcing ribs 29 and the second reinforcing ribs 31 further include reinforcing ribs extending in the radial direction of the first shell 16 and the second shell 17, and the radially extending reinforcing ribs may perpendicularly intersect the circular arc-shaped reinforcing ribs.

The retaining ring 32 provided in this embodiment may be split into two parts: the positioning rod 12 extends into the positioning groove 18 to be positioned through the structure of the first shell 16, and the positioning ring 32 is fixed through screws through the structure of the second shell 17. And due to the arrangement of the screw fixing groove 19, the fixing of the positioning ring 32 can be realized by penetrating a screw into the screw fixing groove 19 after the screw is fixed.

Example 4

This embodiment provides a washing machine based on the above embodiment, wherein the positioning ring 32 as described in embodiment 3 is disposed in the washing machine, and the positioning ring 32 can be fixed on the washing drum by passing screws through the screw fixing grooves 19. The washing machine also includes a retractable positioning rod 12, as described in embodiment 2, and the positioning rod 12 is correspondingly inserted into the positioning slot 18 of the positioning ring 32.

The front end of the washing drum of the washing machine often needs to be provided with a front flange 33 of the washing drum, and as shown in fig. 12, a screw 34 protruding upwards can be fixed on the upper end surface of the front flange 33 of the washing drum, and the positioning ring 32 can be fixed by the screw 34. Specifically, when the nut is fixed in the nut fixing groove 22 of the screw fixing groove 19, so that the screw fixing groove 19 is opposite to the screw 34, and the positioning ring 32 is correspondingly placed on the front flange 33 of the washing drum, the screw 34 correspondingly penetrates into the screw fixing groove 19 of the positioning ring 32 and is in threaded fit with the nut, so as to fix the positioning ring 32 on the front flange 33 of the washing drum. The screws 34 can be welded in advance to the washing tub front flange 33. Namely, the washing machine provided by the embodiment can realize convenient and quick installation of the positioning ring 32 after the screw 34 is fixed in advance.

In the washing machine of this embodiment, a positioning ring 32 may be fixed to the bottom of the washing tub. The bottom of the washing drum has a bottom end surface 13 of the washing drum as described in embodiment 2, and the bottom end surface 13 of the washing drum is provided with a mounting groove 15, and a positioning ring 32 can be fixed by using the mounting groove 15. A screw may be fixed to the mounting groove 15, a nut may be fixed to the nut fixing groove 22 of the screw fixing groove 19, and the screw may be correspondingly inserted into the screw fixing groove 19 of the positioning ring 32 and threadedly engaged with the nut, thereby finally fixing the positioning ring 32 to the mounting groove 15.

The washing machine provided by the embodiment can realize the positioning function by arranging the positioning ring 32, and the positioning ring 32 can be installed at the front end of the washing drum or the rear end of the washing drum. The embodiment also provides a reasonable position arrangement scheme for fixing the positioning ring 32 at the front end and the rear end of the washing drum, and the positioning ring 32 can be installed quickly and conveniently by fixing the screw at the front end or the rear end of the washing drum.

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. A positioning ring, which is characterized in that the positioning ring (11) is in a ring shape,

the positioning device comprises a positioning end surface (35) vertical to the axial direction, a positioning groove (2) which is sunken towards the inner part of the positioning ring (11) is arranged on the positioning end surface (35),

the opening (7) of the positioning groove (2) is arranged on the positioning end surface (35).

2. Positioning ring according to claim 1, characterized in that the positioning ring (11) comprises a circular ring-shaped sheet-like body (1), that the positioning end surface (35) is arranged on an end surface of the sheet-like body (1) parallel to the radial direction, and that the positioning groove (2) extends towards the inside of the positioning ring (11).

3. The retaining ring according to claim 2, characterized in that the outer end surface of the sheet-like body (1) parallel to the radial direction is provided with a retaining groove (5) recessed towards the inside;

the limiting groove opening (6) is arranged on the outer end surface of the sheet-shaped body (1),

the end face of the limiting groove (5) embedded in the sheet-shaped body (1) and opposite to the limiting groove opening (6) is a positioning end face (35).

4. Retaining ring according to claim 3, characterized in that the retaining groove (5) is circular and is arranged coaxially to the sheet-like body (1); a plurality of positioning grooves (2) are arranged on a positioning end face (35) embedded in the sheet-shaped body (1) in the limiting groove (5);

preferably, the radial center line of the limiting groove (5) is coincided with the radial center line of the flaky body (1);

further preferably, the positioning grooves (2) are all distributed on the limiting groove (5) and located on the radial central line.

5. Retaining ring according to claim 4, characterized in that the retaining groove (2) extends in a direction perpendicular to the retaining end surface (35);

the locating slot (2) is a cylindrical slot, and the circle center of the locating slot (2) is positioned on the radial central line of the limiting slot (5).

6. The retaining ring according to any one of claims 2-5, characterized in that the outward protruding reinforcing ribs (8) are provided on the outer end surface of the sheet-like body (1) opposite to the retaining end surface (35), the protruding direction of the reinforcing ribs (8) is the same as the recessed direction of the retaining groove (2);

preferably, the reinforcing rib (8) comprises a circular arc-shaped reinforcing rib coaxial with the sheet-shaped body (1),

the radial reinforcing ribs extend along the radial direction of the flaky body (1) and are vertically crossed with the circular arc reinforcing ribs.

7. The retaining ring according to any one of claims 3-5, characterized in that the edge of the sheet-like body (1) is provided with a mounting portion (3) projecting radially outwards, the mounting portion (3) being provided with a mounting hole (4);

a groove (9) is arranged on the mounting part (3), one end of the groove (9) is provided with an opening, one end of the groove is embedded in the mounting part (3), the direction of the opening (10) of the groove is consistent with the direction of the limiting groove opening (6), a mounting hole (4) is arranged on the end face of the groove (9) embedded in the mounting part (3), and the mounting hole (4) penetrates through the mounting part (3);

preferably, two end faces of the sheet-shaped body (1) parallel to the radial direction are respectively flush with two end faces of the mounting part (3) parallel to the radial direction, and the opening (10) of the groove is flush with the limiting groove opening (6).

8. Positioning ring according to any of claims 1-7, c h a r a c t e r i z e d in that the positioning ring (11) is provided with magnet mounting holes for mounting magnets.

9. A washing machine, characterized in that a positioning ring (11) according to any one of claims 1-8 is provided in the washing machine, the positioning ring (11) being fixed to the washing tub;

the washing machine also comprises a telescopic positioning rod (12), and the positioning rod (12) can correspondingly extend into the positioning groove (2) of the positioning ring (11).

10. A washing machine as claimed in claim 9, characterized in that the positioning ring (11) is mounted on the bottom end face (13) of the washing drum, the positioning ring (11) being arranged coaxially with the washing drum, the limiting groove opening (6) facing downwards, the radially outer edge of the positioning ring (11) being arranged inwardly of the radially outer edge of the bottom end face (13);

a supporting structure (14) similar to a triangle is fixed on the bottom end surface (13) of the washing drum, and the positioning ring (11) is fixed with the supporting structure (14);

preferably, the bottom end surface (13) of the washing barrel is provided with a mounting groove (15), and the reinforcing rib (8) of the positioning ring (11) is embedded in the mounting groove (15).

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