CN211897466U - Inner barrel of drum washing machine and drum washing machine - Google Patents
Inner barrel of drum washing machine and drum washing machine Download PDFInfo
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- CN211897466U CN211897466U CN201922287260.2U CN201922287260U CN211897466U CN 211897466 U CN211897466 U CN 211897466U CN 201922287260 U CN201922287260 U CN 201922287260U CN 211897466 U CN211897466 U CN 211897466U
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- washing machine
- drum
- drum washing
- annular body
- convex hull
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Abstract
The utility model relates to a life electrical apparatus technical field especially relates to a drum type washing machine's inner tube and drum type washing machine. The inner cylinder of the drum washing machine comprises a cylinder body and a rear cover, and further comprises a front cover, wherein the front cover, the cylinder body and the rear cover are sequentially connected; specifically, the front cover comprises an annular body, a plurality of concave pit parts and a plurality of convex hull parts are arranged on the annular body, and the concave pit parts and the convex hull parts are both of annular structures coaxial with the annular body; wherein, be provided with a convex closure portion between the adjacent pit portion, and same pit portion and same convex closure portion are all isotropic. The utility model provides a drum type washing machine's inner tube and drum type washing machine improve the global rigidity of the protecgulum of drum type washing machine's inner tube under the prerequisite that does not increase structural thickness, and then improve in the course of the work, the anti deformability of drum type washing machine's inner tube.
Description
Technical Field
The utility model relates to a life electrical apparatus technical field especially relates to a drum type washing machine's inner tube and drum type washing machine.
Background
The inner tub of a drum washing machine is generally composed of a front cover, a tub body, and a rear cover. Among these, the inner cylinder is a part of a rotation system when rotating at a high speed, and is required to withstand a large mechanical force. Therefore, the inner tube must be structurally designed to ensure a certain rigidity to withstand various loads.
In the existing front cover design, in order to consider the deformation resistance of the front cover, a stamping structure is arranged along the circumferential direction of the front cover. At present, the stamping structure is mostly a plurality of circular arc structures and pits arranged along the circumferential direction, so that the stamping structure becomes a non-rotational symmetric body. The main drawbacks of this construction are the inconsistent resistance to deformation in one circumferential direction and the difference in resistance to deformation in the radial and axial directions, and some stamped constructions may result in excessive localized stresses and cracking during manufacture. In addition, when the front cover is assembled with the barrel body and the rear cover, the circumferential positioning needs to be considered, for example, the pit structure needs to be corresponding to the position of the barrel body where the lifting rib needs to be installed, so that the procedure before assembly is added, and the technical problem that the design structure of the front cover is unreasonable exists
SUMMERY OF THE UTILITY MODEL
The utility model provides a drum type washing machine's inner tube and drum type washing machine, this drum type washing machine's inner tube and drum type washing machine improve the global rigidity of the protecgulum of drum type washing machine's inner tube under the prerequisite that does not increase structural thickness, and then improve in the course of the work, the anti deformability of drum type washing machine's inner tube.
The utility model discloses a first aspect provides a drum type washing machine's inner tube, including stack shell and back lid, still include the protecgulum, the protecgulum the stack shell with the back lid connects gradually:
the front cover comprises an annular body, a plurality of concave pit parts and a plurality of convex hull parts are arranged on the annular body, and the concave pit parts and the convex hull parts are both of annular structures coaxial with the annular body;
the convex hull part is arranged between the adjacent pit parts, and the same pit part and the same convex hull part are all isotropic.
The utility model provides a drum type washing machine's inner tube, this drum type washing machine's inner tube is including the protecgulum, stack shell and the back lid that connect gradually, and is concrete, and the protecgulum includes the annular body, is provided with a plurality of pit portions and a plurality of convex closure portion on the annular body, and pit portion and convex closure portion are the loop configuration with annular body coaxial line, wherein, are provided with a convex closure portion between the adjacent pit portion, and same pit portion and the equal isotropy of same convex closure portion. This kind of project organization for the protecgulum all has stronger anti deformability in the inboard and outboard of diameter direction, simultaneously, because same pit portion and same convex closure portion are all isotropic, consequently, the deflection of same pit portion and same convex closure portion along circumference round is similar, has reduced the risk of local buckling, deformation or fracture, and then when the same thickness, the rigidity of protecgulum has obtained great promotion, in addition, the protecgulum still need not the location before the assembly, reduces the technology on the production process.
Furthermore, the included angle between the two side walls of the concave pit part and the included angle between the two side walls of the convex hull part are sequentially increased from inside to outside.
The utility model discloses in, contained angle between the both sides wall through pit portion and the contained angle between the both sides wall of convex closure portion all increase in proper order from inside to outside and improved the axial and the radial anti deformability of protecgulum, further ensured the structural strength of protecgulum.
Further, an included angle between two side walls of the concave pit part farthest from the axis of the annular body is 180 degrees.
The utility model discloses in, will be apart from the contained angle design between the both sides wall of the pit portion that the axis of annular body is the farthest for 180, can ensure that the protecgulum locates radially ascending structural strength in the outside and reaches the biggest.
Furthermore, the depth of the concave pit part is reduced from inside to outside in sequence, and the height of the convex hull part is reduced from inside to outside in sequence.
The utility model discloses in, this kind of design can further improve the protecgulum in radial and the ascending anti deformability of axial.
Further, the method also comprises the following steps:
a flange connected to the pocket furthest from the axis of the annular body;
wherein a connecting line at the lowest point of the concave pit part and a connecting line at the highest point of the convex hull part intersect on the flange.
The utility model discloses in, intersect the line of the minimum point department of pit portion and the line of the maximum point department of convex closure portion on the flange, when satisfying protecgulum structural strength design demand, still make things convenient for the assembly of protecgulum.
Further, the cross sections of the concave pit part and the convex hull part are both arc-shaped.
The utility model discloses in, convex structural design can the homodisperse stress in convex hull portion and pit portion for the design of protecgulum is more reasonable, improves the structural strength of protecgulum.
Further, the concave pit portion and the convex hull portion are both formed by punching the annular body.
The utility model discloses in, can ensure the yield through punching press formation pit portion and convex closure portion, reduce the technological requirement.
Furthermore, a flanging with a rolling structure is arranged at the ring opening of the annular body.
The utility model discloses in, the turn-ups can avoid cutting bad clothing when drum type washing machine's inner tube is high-speed rotatory, simultaneously, also can prevent to get when taking the clothing, the fish tail user.
A second aspect of the present invention provides a drum washing machine, including the above drum washing machine's inner tube.
In the present invention, the drum washing machine has the same advantages as the drum washing machine's inner barrel, which has been described above, and thus the description thereof is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a front cover of an inner drum of a drum washing machine according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural diagram of an inner drum of a drum washing machine according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the cylinder and the lifting rib according to an embodiment of the present invention.
Reference numerals:
1-an annular body;
11-a dimple;
12-convex hull part;
121-sidewalls;
2-a flange;
3-flanging;
4-a barrel body;
5-rear cover;
6-lifting the ribs.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following specific embodiments, which are obviously some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2 and 3, the present embodiment provides an inner cylinder of a drum washing machine, the inner cylinder of the drum washing machine includes a cylinder body 4 and a rear cover 5, further, the inner cylinder of the drum washing machine further includes a front cover, the cylinder body 4 and the rear cover 5 are sequentially connected, wherein the front cover includes an annular body 1, specifically, the annular body 1 is provided with a plurality of concave portions 11 and a plurality of convex portions 12, the concave portions 11 and the convex portions 12 are both of an annular structure coaxial with the annular body 1, wherein one convex portion 12 is provided between adjacent concave portions 11, and the same concave portion 11 and the same convex portion 12 are both isotropic. This kind of design structure for the protecgulum all has stronger anti deformability in the inside and outside of diameter direction, simultaneously, because same pit portion 11 and same convex closure portion 12 are all isotropic, consequently, the deflection of same pit portion 11 and same convex closure portion 12 along circumference round is similar, has reduced the risk of local buckling, deformation or fracture, and then when the same thickness, the rigidity of protecgulum has obtained great promotion, in addition, the protecgulum still need not the location before the assembly, reduces the technology on the production process.
As shown in fig. 5, further, in the present embodiment, the inner drum of the drum washing machine further includes lifting ribs 6, the lifting ribs 6 are disposed on the drum body 4, and the lifting ribs 6 are used for lifting the laundry. The clothes are lifted to a certain height through the lifting ribs 6 and then fall freely, and the clothes are fully contacted with hot air when turning over in the air, so that a good heat exchange effect is achieved. Preferably, the lifting rib 6 may be a triangular structure, and a vertex angle of the triangular lifting rib 6 points to the center of the barrel 4, and the vertex angle is a transitional arc vertex angle, which is not easy to scrape clothes, and of course, the shape of the lifting rib 6 is not limited thereto, and may be various structures.
Wherein, the bottom edge of the pit portion 11 can be arranged along the horizontal direction, as shown in fig. 3, in this embodiment, in order to improve the deformation resistance of the pit portion 11 in the radial direction of the annular body 1, preferably, the cross section of the pit portion 11 is circular arc, and the pit portion 11 of the circular arc structure can uniformly disperse the stress on the pit portion 11, so that the design is more reasonable.
Similarly, the bottom edge of the convex hull 12 may be arranged along the horizontal direction, as shown in fig. 3, in this embodiment, in order to improve the deformation resistance of the convex hull 12 in the radial direction of the annular body 1, preferably, the cross section of the convex hull 12 is circular arc, and the convex hull 12 with circular arc structure can uniformly disperse the stress on the convex hull 12, so that the design is more reasonable.
In the present embodiment, the concave portion 11 and the convex hull portion 12 may be formed by bending the annular body 1, and in order to improve the processing efficiency and reduce the process requirement, preferably, both the concave portion 11 and the convex hull portion 12 are formed by stamping the annular body 1.
As shown in fig. 1, 2 and 3, further, for making the structure world of protecgulum more reasonable, improve user's experience and feel, in this embodiment, the ring mouth department of annular body 1 is provided with turn-ups 3 of edge rolling structure, and turn-ups 3 can avoid cutting bad clothing when drum type washing machine's inner tube is high-speed rotatory, simultaneously, also can prevent to get when taking the clothing, fish tail user.
Based on the above reasons, as shown in fig. 3, in this embodiment, specifically, an included angle between two side walls 121 of the concave portion 11 and an included angle between two side walls 121 of the convex hull portion 12 are sequentially increased from inside to outside, and since the smaller the included angle between the two side walls 121 of the concave portion 11 and the two side walls 121 of the convex hull portion 12 is, the larger the axial force is, and meanwhile, the deformation at the position close to the axis of the annular body 1 is mainly dominated by the axial force, the smaller the included angle between the two side walls 121 of the concave portion 11 and the convex hull portion 12 at the position close to the axis of the annular body 1 is; further, since the larger the angle between the side walls 121 of the convex hull portion 12 and the concave portion 11 is, the larger the radial force is, and at the same time, the deformation at the position away from the axis of the annular body 1 is mainly dominated by the radial force, the larger the angle between the side walls 121 of the convex hull portion 12 and the concave portion 11 at the position away from the axis of the annular body 1 is.
As shown in fig. 3, more specifically, when the inner drum of the drum washing machine rotates at a high speed, the radial force at the outer edge of the inner drum of the drum washing machine is the largest, in this embodiment, in order to improve the structural strength of the front cover, wherein the included angle between the two side walls 121 of the concave portion 11 farthest from the axis of the annular body 1 is 180 °, and this structural design can ensure that the radial deformation-resistant effect of the concave portion 11 is the best, and avoid the outer edge of the front cover from tearing and deforming.
In view of the above, as shown in fig. 3, in the present embodiment, in order to further improve the structural strength of the front cover, the depth of the concave portion 11 is sequentially reduced from inside to outside, the height of the convex portion 12 is sequentially reduced from inside to outside, the greater the depth of the concave portion 11 is, the greater the height of the convex portion 12 is, the greater the axial force borne by both of them is, and at the same time, the deformation at the position close to the axis of the ring body 1 is mainly dominated by the axial force, and further, the smaller the depth of the concave portion 11 is, the smaller the height of the convex portion 12 is, the greater the radial force borne by both of them is, and at the same time, the deformation at the position far from the axis of the ring body 1 is mainly dominated by the radial force, so that, the depth of the concave portion 11 and the height of the convex hull portion 12 decrease from inside to outside.
More specifically, in this embodiment, while meeting the design requirement of the structural strength of the front cover, the front cover is convenient to assemble, the front cover further comprises a flange 2, the flange 2 is connected to the concave portion 11 farthest from the axis of the annular body 1, and a connecting line at the lowest point of the concave portion 11 and a connecting line at the highest point of the convex hull portion 12 intersect with each other on the flange 2.
As shown in fig. 4, the present embodiment further provides a drum washing machine, and specifically, the drum washing machine includes the inner drum of the drum washing machine in any one of the above embodiments.
The drum washing machine has the same advantages as the drum of the drum washing machine described in any of the above embodiments, and the above description is omitted here for brevity.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An inner drum of a drum washing machine comprises a drum body (4) and a rear cover (5), and is characterized by further comprising a front cover, wherein the front cover, the drum body (4) and the rear cover (5) are sequentially connected;
the front cover comprises an annular body (1), a plurality of concave pit parts (11) and a plurality of convex hull parts (12) are arranged on the annular body (1), and the concave pit parts (11) and the convex hull parts (12) are both of annular structures coaxial with the annular body (1);
the convex hull part (12) is arranged between the adjacent pit parts (11), and the same pit part (11) and the same convex hull part (12) are all isotropic.
2. The inner drum of a drum washing machine according to claim 1, characterized in that the included angle between the two side walls (121) of the concave pit portion (11) and the included angle between the two side walls (121) of the convex hull portion (12) are increased from inside to outside.
3. Inner drum of a drum washing machine according to claim 2, characterized in that the angle between the two side walls (121) of the hollows (11) furthest from the axis of the annular body (1) is 180 °.
4. Inner tub of a drum washing machine according to claim 1, characterized in that the depth of the dimples (11) decreases from the inside to the outside and the height of the protrusions (12) decreases from the inside to the outside.
5. The drum for a drum washing machine according to claim 4, further comprising:
a flange (2), said flange (2) being connected to said pocket (11) furthest from the axis of said annular body (1);
wherein a connecting line at the lowest point of the concave pit part (11) and a connecting line at the highest point of the convex hull part (12) intersect on the flange (2).
6. Inner tub of a drum washing machine according to claim 1, characterized in that the cross section of the concave pit (11) and convex hull (12) is circular arc shaped.
7. Inner tub of a drum washing machine according to claim 1, characterized in that the hollows (11) and the bulges (12) are each stamped and formed by the annular body (1).
8. Inner drum of a drum washing machine according to claim 1, characterized in that the annular body (1) is provided with a flange (3) with a rolling structure at the annular opening.
9. A drum washing machine characterized by comprising the inner drum of the drum washing machine according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922287260.2U CN211897466U (en) | 2019-12-18 | 2019-12-18 | Inner barrel of drum washing machine and drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922287260.2U CN211897466U (en) | 2019-12-18 | 2019-12-18 | Inner barrel of drum washing machine and drum washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211897466U true CN211897466U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922287260.2U Active CN211897466U (en) | 2019-12-18 | 2019-12-18 | Inner barrel of drum washing machine and drum washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211897466U (en) |
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2019
- 2019-12-18 CN CN201922287260.2U patent/CN211897466U/en active Active
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