WO2023160335A1

WO2023160335A1 - Inner drum of drum-type washing machine, and drum-type washing machine

Info

Publication number: WO2023160335A1
Application number: PCT/CN2023/073868
Authority: WO
Inventors: 张术国; 李逸飞; 夏浩; 李敬德
Original assignee: 青岛海尔洗涤电器有限公司; 海尔智家股份有限公司
Priority date: 2022-02-28
Filing date: 2023-01-30
Publication date: 2023-08-31
Also published as: CN116695387A

Abstract

An inner drum of a drum-type washing machine, and a drum-type washing machine. The inner drum comprises an inner drum ring (1), a first inner drum flange (2), and a second inner drum flange (3); a connecting seam (11) is formed on the inner drum ring (1), the connecting seam (11) is provided with a first protective member (12), and the first protective member (12) is configured to be capable of at least partially covering the connecting seam (11) in the axial direction of the inner drum ring (1); both ends of the inner drum ring (1) are respectively connected to the first inner drum flange (2) and the second inner drum flange (3), a first protective portion is formed between the first inner drum flange (2) and the inner drum ring (1), a second protective portion is formed between the second inner drum flange (3) and the inner drum ring (1), and the first protective portion and the second protective portion are configured to be capable of preventing the connecting seam (11) from cracking. The first protective member (12) can prevent the inner drum ring (1) from cracking; and the first protective portion and the second protective portion can improve the connection strength of the inner drum ring (1) and the first and second inner drum flanges (2) and (3) so as to prevent the inner drum from cracking, such that the problem that welded seams of inner drums of existing drum-type washing machines are prone to cracking is solved.

Description

Inner drum and drum type washing machine of drum type washing machine

This application claims the priority of the Chinese patent application CN202210188306.9 filed on February 28, 2022, the invention title is "Inner drum of drum washing machine and drum washing machine", the entire content of the above Chinese patent application is incorporated herein by reference Applying.

technical field

The invention relates to the technical field of washing machines, and specifically provides an inner drum of a drum-type washing machine and a drum-type washing machine.

Background technique

With the continuous development of washing machines, there are various kinds of washing machines on the market. The inner barrel of the existing drum type washing machine is generally formed by curling stainless steel sheets end to end, and the stainless steel sheets are connected end to end by laser welding. The appearance of the welding method is neat, the welding uniformity is high, and the tensile strength of the welding is good. However, because the stainless steel sheet is in a curled state, it always maintains a huge springback trend, and the bumps during transportation may cause welding seams Cracking will cause unnecessary property loss, and in severe cases, it will cause injury to transport personnel, and even endanger life safety. As time goes by, the increase in the number of times the inner cylinder is used will also cause cracking at the welding seam; there are still There are drum-type washing machines with an inner drum rotating at 1600 rpm or above. At such a high-intensity rotating speed, there is also a potential safety hazard of inner drum cracking. To sum up, the existing drum type washing machine has the problem that the welding seam of the inner cylinder is easy to crack.

Correspondingly, there is a need in the art for a new inner tub of a drum-type washing machine and a drum-type washing machine to solve the above problems.

Contents of the invention

The present invention aims to solve the above-mentioned technical problem, that is, to solve the problem that the welding seam of the inner cylinder of the existing drum type washing machine is easy to crack.

In a first aspect, the present invention provides an inner tub of a front-loading washing machine, the inner tub includes The inner cylinder ring, the first inner cylinder flange and the second inner cylinder flange, a connection seam is formed on the inner cylinder ring, a first protection member is arranged on the connection seam, and the first protection member is arranged to be able to The connecting seam is at least partially covered in the axial direction of the inner cylinder ring; both ends of the inner cylinder ring are respectively connected to the first inner cylinder flange and the second inner cylinder flange, and the first inner cylinder flange is connected to the second inner cylinder flange. A first protection part is formed between an inner cylinder flange and the inner cylinder ring, a second protection part is formed between the second inner cylinder flange and the inner cylinder ring, and the first protection part and the inner cylinder ring are formed. The second protection part is configured to prevent the connection seam from cracking.

In a preferred technical solution of the inner drum of the drum-type washing machine, the first protective member is a connecting plate, and the shape of the connecting plate matches the shape of the inner drum ring.

In the preferred technical solution of the inner drum of the drum type washing machine, when the connecting plate and the connecting seam are connected in place, the distance between the connecting plate and the two ends of the inner drum ring is equal.

In the preferred technical solution of the inner cylinder of the drum-type washing machine, the first inner cylinder flange and the inner cylinder ring are sequentially connected by a spin riveting process and a point riveting process to form the first protection part, and/or

The second inner cylinder flange and the inner cylinder ring are sequentially connected by a spin riveting process and a point riveting process to form the second protection part.

In the second aspect, the present invention also provides a drum-type washing machine, which includes an inner cylinder and a casing, the inner cylinder is located in the casing, and at least one second protective member is arranged on the casing, and the first The two protective members are arranged to be able to connect the left side plate and the right side plate of the casing, and the inner cylinder is the inner cylinder described in any one of the above optional technical solutions.

In a preferred technical solution of the drum-type washing machine above, the drum-type washing machine further includes a reinforcement assembly, the reinforcement assembly is arranged on the casing, the second protective member is connected to the reinforcement assembly through fasteners, The second protective member is connected to the casing through the reinforcement assembly.

In a preferred technical solution of the above-mentioned drum-type washing machine, the reinforcement assembly includes a first reinforcement member and a second reinforcement member, and when the first reinforcement member and the second reinforcement member are connected in place, they can jointly form a fastener installation cavity , the fastener mounting cavity matches the fastener.

In the preferred technical solution of the drum-type washing machine above, an elastic member is provided on one of the first reinforcement member and the second reinforcement member, and a reinforcement assembly is provided on the casing to accommodate cavity, and the reinforcement component is clipped into the reinforcement component accommodating cavity through the elastic member.

In the preferred technical solution of the drum type washing machine above, at least one first installation hole is provided on the second protection member, at least one second installation hole is correspondingly provided on the casing, and at least one second installation hole is correspondingly provided on the first reinforcement member. At least one third mounting hole is provided, and at least one fourth mounting hole is correspondingly provided on the second reinforcing member, and the third mounting hole and the fourth mounting hole jointly form the fastener mounting cavity, so The fasteners pass through the first mounting hole, the second mounting hole, the third mounting hole and the fourth mounting hole in sequence and are fixed so that the second guard member is fixed to the casing superior.

In the preferred technical solution of the drum type washing machine above, at least one first installation hole is provided on the second protection member, at least one second installation hole is correspondingly provided on the casing, and at least one second installation hole is correspondingly provided on the first reinforcement member. At least one third installation hole is provided, the fastener installation cavity is provided on the second reinforcement, and the fastener installation cavity can accommodate the head of the fastener, and the fasteners in turn pass through the third installation hole, the second installation hole and the first installation hole and fix so that the second protection member is fixed on the casing.

In the case of adopting the above technical solution, the inner cylinder of the present invention includes an inner cylinder ring, a first inner cylinder flange and a second inner cylinder flange, the inner cylinder ring is formed with a connection seam, and the connection seam is provided with There is a first protective member, and the first protective member is configured to at least partially cover the connecting seam in the axial direction of the inner cylindrical ring; the two ends of the inner cylindrical ring are respectively connected to the first inner cylindrical ring The flange is connected to the second inner cylinder flange, a first protection part is formed between the first inner cylinder flange and the inner cylinder ring, and a first protection part is formed between the second inner cylinder flange and the inner cylinder ring. A second protection part is formed between them, and the first protection part and the second protection part are configured to prevent the connection seam from cracking. The present invention can prevent the inner cylindrical ring from cracking through the arrangement of the first protective member; the inner cylindrical ring and the first inner cylindrical flange and the second protective portion can be lifted The connection strength of the second inner cylinder flange is improved to prevent the inner cylinder ring from cracking.

Furthermore, in the present invention, the shape of the connecting plate is set to match the shape of the inner cylindrical ring, so that the connection between the connecting plate and the inner cylindrical ring is tighter, thereby improving the stability of the connection.

Further, the present invention can also prevent the inner cylinder ring from flying out after the inner cylinder is cracked through the arrangement of the second protective member.

Further, the present invention also facilitates the second protective Component disassembly.

Further, the present invention also facilitates the disassembly and assembly of the fasteners and further facilitates the disassembly and assembly of the second protective member through the arrangement of the first reinforcement member and the second reinforcement member.

Further, in the present invention, the arrangement of the elastic member facilitates the fastening of the reinforcing component on the casing.

Description of drawings

Describe preferred embodiment of the present invention below in conjunction with accompanying drawing, in the accompanying drawing:

Fig. 1 is the structural diagram of inner tube of the present invention;

Fig. 2 is a sectional view of the inner cylinder of the present invention;

Fig. 3 is a connection structure diagram of the casing and the second protective member of the present invention;

Fig. 4 is a connection structure diagram of the casing with the second plate hidden and the second protective member;

Fig. 5 is a connection structure diagram of the second protective member and the reinforcement assembly of the present invention;

Fig. 6 is a structural diagram of the first reinforcing member of the first preferred embodiment of the present invention;

Fig. 7 is a structural diagram of a second reinforcing member of the first preferred embodiment of the present invention;

Fig. 8 is another perspective structural view of the second reinforcing member of the first preferred embodiment of the present invention;

Fig. 9 is a structural diagram of a reinforcement assembly of a second preferred embodiment of the present invention;

Fig. 10 is a structural diagram of the first reinforcing member of the second preferred embodiment of the present invention;

Fig. 11 is a structural diagram of a second reinforcement member in a second preferred embodiment of the present invention;

Fig. 12 is a structural diagram of another viewing angle of the second reinforcing member of the second preferred embodiment of the present invention;

Reference signs:

1. Inner cylinder ring; 11. Connecting seam; 12. First protective member; 2. First inner cylinder flange; 3. Second inner cylinder flange; 4. Case; 41. Left side panel; 411. The first One plate; 412, second plate; 42, rear side plate; 43, right side plate; 5, second protective component; 6, reinforcement component; 7, bolt; 8, nut;

The reference numerals of the reinforcing components of the first preferred embodiment:

61', first reinforcement; 611', third mounting hole; 612', first clamping structure; 62', second reinforcement; 621', bolt groove; 622', second clamping structure; 623 ', support rib; 624', elastic sheet; 625', block; 626', avoidance groove;

The reference signs of the reinforcing components of the second preferred embodiment:

61", the first reinforcement; 611", the third installation hole; 612", the first clamping structure; 62", the second reinforcement; 621", the fourth mounting hole; 622", the second clamping structure; 623", support rib; 624", elastic sheet; 625", clamping block; 626", avoidance groove.

Detailed ways

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention. Those skilled in the art can make adjustments as needed so as to adapt to specific applications.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "rear", "left", "right", "inner", "outer", "bottom" etc. indicate directions or positions The terms of the relationship are based on the orientation or positional relationship shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be interpreted as Limitations on the Invention. In addition, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In addition, it should be noted that, in the description of the present invention, unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection ; It can be directly connected, or indirectly connected through an intermediary, and can be internally connected between two components. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Referring first to Figures 1 and 2, Figure 1 is a structural view of the inner cylinder of the present invention, and Figure 2 is a cross-sectional view of the inner cylinder of the present invention. As shown in Figures 1 and 2, in a first aspect, the present invention provides an inner tub of a drum type washing machine, the inner tub includes an inner tub ring 1, a first inner tub flange 2 and a second inner tub flange 3 , a connection seam 11 is formed on the inner cylinder ring 1, and a first protective member 12 is arranged on the connection seam 11, and the first protection member 12 is arranged to at least partially cover the connection seam 11 in the axial direction of the inner cylinder ring 1; the inner cylinder The two ends of the ring 1 are respectively connected with the first inner cylinder flange 2 and the second inner cylinder flange 3, and a first protective part is formed between the first inner cylinder flange 2 and the inner cylinder ring 1, and the second inner cylinder method A second protection part is formed between the flange 3 and the inner cylindrical ring 1, and the first protection part and the second protection part are arranged to prevent the connection seam from cracking.

The first protective member 12 can connect the inner cylinder ring 1 on both sides of the connecting seam 11, further strengthen the tightness of the joints at both ends of the inner cylinder ring 1, and can prevent the connecting seam 11 from cracking; take the direction shown in Figure 1 as a reference Direction, the first protection part can strengthen the connection strength between the inner cylinder ring 1 and the first inner cylinder flange 2 so as to prevent the connection seam 11 from cracking from above, and the second protection part can strengthen the inner cylinder ring 1 and the second The connection strength of the inner cylinder flange 3 further prevents the connection seam 11 from cracking from below.

Further, as a preferred setting method, the first protective member 12 is a connecting plate, and the shape of the connecting plate matches the shape of the inner cylinder ring 1, when the connecting plate and the connecting seam 11 are connected in place Next, the distance between the connecting plate and the two ends of the inner cylinder 1 is equal. Specifically, taking the direction shown in Figure 1 as the reference direction, the contact surface of the connecting plate and the inner cylinder 1 is an arc surface, and its radian is equal to that of the inner cylinder 1, so that the connecting plate and the inner cylinder 1 are curved. The outer wall of the inner cylinder 1 can be seamlessly abutted, the connecting plate is fixed with the inner cylinder 1 by laser welding, and the connecting seam 11 is a welded seam, that is, the inner cylinder 1 is a stainless steel sheet curled end to end and connected Welded, the connecting plate can connect the inner cylinder ring 1 on both sides of the connection seam 11, and can still play the role of fixing the connection seam 11 after the connection seam 11 cracks, preventing the inner cylinder ring 1 from further cracking; the connection The distance between the upper end of the plate and the uppermost end of the inner cylindrical ring 1 is equal to the distance between the lower end of the connecting plate and the lowermost end of the inner cylindrical ring 1 .

It should be noted that the present invention does not impose any restrictions on the specific length of the connecting plate and the connection method between the connecting plate and the inner cylinder ring 1, for example, the length of the connecting plate is equal to the length of the connecting seam; the connecting The plate and the inner cylinder ring 1 are connected by fasteners; technicians can set it by themselves according to the actual situation.

In addition, it should be noted that the present invention does not impose any restrictions on the specific structure of the first protective member 12, for example, the first protective member 12 is a plurality of connecting pieces arranged at the connecting seam 11, and the connecting pieces are arranged laterally at At the connecting seam 11, a plurality of the connecting pieces are evenly distributed on the connecting seam 11, and technicians can set it according to the actual situation.

In addition, in this preferred embodiment, the first inner cylinder flange 2 and the inner cylinder ring 1 are sequentially connected through a spin riveting process and a point riveting process to form the first protective part, and the second inner cylinder flange 3 and the inner cylinder The ring 1 is sequentially connected by a spin riveting process and a spot riveting process to form the second protection part. Specifically, after the first inner cylinder flange 2 and the inner cylinder ring 1 are fixed by the spin riveting process, another spot riveting process is added, so that the first inner cylinder flange 2 and the inner cylinder ring 1 are further punched to increase the connection strength by The formation principle of the first protection part and the second protection part is the same, and will not be repeated here; in the case that the first protection member 12 cannot completely cover the connecting seam 11, the first protection part and the second protection part The second protection part can prevent the connecting seam 11 of the uncovered part from cracking; at the same time, in the case of cracking of the inner cylinder ring 1, the first protection part and the second protection part can prevent the inner cylinder ring 1 from further cracking and Preventing the inner cylindrical ring 1 from moving irregularly after cracking can play a protective role, preventing damage to other components or injury to users.

It should be noted that, taking the direction shown in FIG. 1 as the reference direction, the first guard part and the second guard part of the present invention may also be guard rings arranged up and down the inner cylindrical ring 1 respectively, and the guard rings connected to the side wall of the inner cylinder ring 1; it is also possible that one of the first guard part and the second guard part is the guard ring, and the first guard part and the second guard part The other one is formed by connecting the spin riveting process and the point riveting process in turn; technicians can set it by themselves according to the actual situation.

Next refer to Figures 3 and 4, wherein Figure 3 is a connection structure diagram of the casing and the second protection member of the present invention, and Figure 4 is a connection structure diagram of the casing with the second plate hidden and the second protection member. Fig. 4 is to show the installation position of reinforcement assembly 6 and the connection relationship between reinforcement assembly 6 and second protective member 5 and casing 4, so hides the second plate 412, as shown in Fig. 3 and 4, in the second On the one hand, the present invention also claims to protect a drum type washing machine, including the inner cylinder and the casing 4, the inner cylinder is located in the casing 4 (not shown in the figure), and the casing 4 is provided with at least one second The protective member 5 and the second protective member 5 are arranged to be able to connect the left side plate 41 and the right side plate 43 of the casing 4, and the inner cylinder is the inner cylinder described in the preferred embodiment above. Specifically, taking the direction shown in FIG. 3 as a reference direction, the casing 4 includes a left side plate 41, a rear side plate 42, and a right side plate 43 connected in sequence so that the casing 4 has a U-shaped plate structure, and the casing 4 The top of the second protective member 5 is provided with a left and right arrangement, the left side of the second protective member 5 is connected to the top of the left side plate 41, and the right side of the second protective member 5 is connected to the top of the right side plate 43. After the tube ring 1 is cracked, the second protective member 5 can prevent the deformation of the left side plate 41 or the right side plate 43 caused by the cracking and deformation of the inner tube ring 1 hitting the left side plate 41 or the right side plate 43, while the second The arrangement of the protective member 5 can strengthen the stability of the left side plate 41 and the right side plate 43 , and prevent the inner cylindrical ring 1 from flying out of the casing 4 after cracking.

It should be noted that, the present invention does not impose any limitation on the specific quantity and specific arrangement position of the second protective member 5, for example, one end of the second protective member 5 is connected to the right side of the left side plate 41 On the side, the other end of the second protective member 5 is connected to the left side of the right side plate 43; it can also be that the second protective member 5 is arranged on the top and the bottom of the casing 4; technicians can set it by themselves according to the actual situation .

Continuing to refer to FIG. 4 , taking the direction shown in FIG. 4 as the reference direction, the drum type washing machine further includes a reinforcement assembly 6 , the reinforcement assembly 6 is arranged on the casing 4 , and the second protective member 5 is connected to the reinforcement assembly 6 through fasteners. , so that the second protective member 5 is connected to the casing 4 through the reinforcement assembly 6 . Specifically, the left side panel 41 includes a first panel 411 and a second panel 412, a flanging structure is arranged above the first panel 411, the second panel 412 is an "L" shaped structure, and the second panel 412 abuts against the flange structure and is fixed by bolts. When the first plate 411 and the second plate 412 are connected in place, a mounting structure is formed between the first plate 411 and the second plate 412. gap, the installation gap is provided with a reinforcement assembly 6, and the fasteners pass through the second protective member 5, the first plate 411, the second plate 412 and the reinforcement assembly 6 in sequence; the installation gap can limit The movement of the reinforcing assembly 6 further makes the connection of the second protective member 5 more stable, and the reinforcing assembly 6 makes the disassembly and assembly of the second protective member 5 more convenient. 5 are connected in the same way, and will not be repeated here.

Referring next to Figures 5 to 8, wherein, Figure 5 is a connection structure diagram of the second protective member and the reinforcing assembly of the present invention, and Figure 6 is a structural diagram of the first reinforcement member of the first preferred embodiment of the present invention, Figure 7 is a structural view of the second reinforcing member of the first preferred embodiment of the present invention, and FIG. 8 is a structural view of the second reinforcing member of the first preferred embodiment of the present invention from another perspective. As shown in Figures 5 to 8, as a first preferred embodiment of the reinforcement assembly 6, the reinforcement assembly 6 includes a first reinforcement 61' and a second reinforcement 62', and the first reinforcement 61' and the second reinforcement 62 When connected in place, they can jointly form a fastener installation cavity, and the fastener installation cavity and the fastener are matched.

Specifically, at least one first installation hole (not shown in the figure) is provided on the second protective member 5, at least one second installation hole (not shown in the figure) is correspondingly provided on the casing 4, and the first reinforcement The part 61' is correspondingly provided with at least one third installation hole 611', the second reinforcement part is provided with a bolt groove 621', the bolt groove 621' can accommodate the head of the bolt 7, and the screw rod of the bolt 7 passes through the first The three mounting holes 611 ′, the second mounting hole and the first mounting hole are fixed with nuts 8 so that the second protective member 5 is fixed to the casing 4 .

Further, both ends of the first reinforcing member 61' are provided with a first engaging structure 612', the first The clamping structure 612' is a plate-shaped convex structure and has a certain inclination angle relative to the body of the first reinforcement 61', so that the first reinforcement 61' is arched, and the second reinforcement 62' is correspondingly provided with The second locking structure 622', the second locking structure 622' is a groove structure matching the plate-shaped protrusion structure, and the groove structure also has a certain inclination angle. Based on the above structure, the first The reinforcing member 61' is translated into the second engaging structure 622' through the first engaging structure 612' to realize the connection between the first reinforcing element 61' and the second reinforcing element 62', and because the first engaging structure 612' and the second engaging structure 612' The two clamping structures 622' both have a certain inclination angle, which can limit the phase separation of the first reinforcement member 61' and the second reinforcement member 62', and is convenient for installation and disassembly.

In addition, in this preferred embodiment, the middle part of the second reinforcement 62' is provided with a bolt groove 621', and the bolt groove 621' communicates with the second engaging structure 622', between the first reinforcement 61' and When the second reinforcement 62' is connected in place, the bolt groove 621' and the first reinforcement 61' jointly form a fastener installation cavity to accommodate the head of the bolt 7, and the bottom of the bolt groove 621' is provided with a plurality of The support rib 623', the support rib 623' abuts with the bolt 7, can reduce the contact area between the bolt 7 and the bolt groove 621', thereby reducing friction and facilitating the installation and removal of the bolt 7; and the support rib 623' is provided with a guide structure, the guide structure facilitates the installation of the bolt 7, and when the bolt 7 and the bolt groove 621' are connected in place, the side wall of the bolt groove 621' can limit the rotation of the bolt 7 to facilitate the connection of the bolt 7 and the nut 8 .

In addition, in this preferred embodiment, an elastic member is provided on one of the first reinforcement member 61' and the second reinforcement member 62', and the housing 4 is provided with a reinforcement assembly receiving cavity, and the reinforcement assembly 6 passes through the elastic member. snapped into the accommodating cavity of the reinforcement component. Continuing to refer to FIG. 7 , specifically, the reinforcement component accommodating cavity is the installation gap formed between the first plate 411 and the second plate 412 mentioned above, and the second reinforcement 62 ′ and the casing 4 An elastic sheet 624' is provided on the contact surface. When the reinforcement assembly 6 is installed in the reinforcement assembly chamber, the elastic sheet 624' can prevent the reinforcement assembly 6 from moving by its own elastic force, thereby improving the stability of the connection.

It should be noted that the elastic member is an elastic sheet 624' is only a preferred arrangement, and the present invention does not impose any restrictions on the specific structure of the elastic member, for example, the elastic member can also be a spring or an elastic block , technicians can set it by themselves according to the actual situation.

Referring next to FIG. 8 , further, a clamping block 625 ′ is provided on the side opposite to the installation surface of the elastic sheet 624 ′ on the reinforcement assembly 6 , and a clamping hole (not shown in the figure) is correspondingly provided on the casing 4 . When the reinforcement assembly 6 and the accommodating cavity of the reinforcement assembly are connected in place, the clamping block 625' and all The above clamping holes are clamped and connected to further improve the stability of the connection between the reinforcement component 6 and the casing 4 .

Continuing to refer to FIG. 8 , an avoidance groove 626 ′ is provided under the block 625 ′ of the second reinforcing member 62 ′, and the avoidance groove 626 ′ has a certain inclination angle, and the avoidance groove 626 ′ can play a role of avoidance, so that There is a certain gap between the reinforcement component 6 and the casing 4, which is convenient for manual operation, and the reinforcement component 6 is installed and disassembled. The bottom of the second reinforcement 62' is a hollow structure, and the hollow structure can reduce the second The wall thickness of the reinforcing member 62 ′ is convenient for injection molding, prevents deformation caused by shrinkage during injection molding due to excessive wall thickness, and can save injection molding materials at the same time.

Referring next to Fig. 9 to 12, wherein Fig. 9 is a structural diagram of a reinforcing assembly of a second preferred embodiment of the present invention; Fig. 10 is a structural diagram of a first reinforcing member of a second preferred embodiment of the present invention; Fig. 11 is a structural view of the second reinforcing member of the second preferred embodiment of the present invention; FIG. 12 is a structural view of the second reinforcing member of the second preferred embodiment of the present invention from another perspective. As a second preferred embodiment of the reinforcement assembly 6, specifically, at least one first installation hole (not shown in the figure) is provided on the second protective member 5, and at least one second installation hole is provided on the casing 4 correspondingly. Holes (not shown in the figure), at least one third mounting hole 611" is correspondingly provided on the first reinforcing member 61", at least one fourth mounting hole 621" is correspondingly provided on the second reinforcing member, and the third mounting hole 611 " and the fourth mounting hole 621" jointly form the fastener mounting cavity, and the screw rod of the bolt 7 passes through the first mounting hole, the second mounting hole, the third mounting hole 611" and the fourth mounting hole in sequence 621" and fixed so that the second protective member 5 is fixed to the casing 4.

The difference between the reinforcement assembly 6 of the second preferred embodiment and the reinforcement assembly 6 of the first preferred embodiment: the specific structure and specific quantity of the fastener installation cavity, the first snap-in structure 612" and the second snap-in The specific structure of the structure 622", the specific number of the support rib 623", the elastic piece 624", the block 625" and the avoidance groove 626", the support rib 623" supports the first reinforcement 61" and facilitates the first reinforcement 61" And the disassembly and assembly of the second reinforcement 62". The rest of the setting methods and functions are the same as those of the two preferred embodiments, and will not be repeated here.

It should be noted that the present invention does not impose any restrictions on the specific number and specific structure of the fastener installation cavities, and the second guard member 5 is provided with the same number of first installation holes as the fastener installation cavities ; In the first preferred embodiment, the number of the fastener installation cavity is one, and its structure can be the structure of the fastener installation cavity in the second preferred embodiment; likewise, the second The number of fastener installation cavities in the preferred embodiment is two, and its structure can be the structure of the fastener installation cavity in the first preferred embodiment, and technicians can according to The actual situation is set by itself.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings, but those skilled in the art will easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

An inner tub of a drum-type washing machine, characterized in that the inner tub includes an inner tub ring, a first inner tub flange and a second inner tub flange, a connecting seam is formed on the inner tub ring, and the connecting A first protective member is arranged on the seam, and the first protective member is configured to at least partially cover the connecting seam in the axial direction of the inner cylindrical ring; the two ends of the inner cylindrical ring are respectively connected to the first The inner cylinder flange is connected to the second inner cylinder flange, a first protection part is formed between the first inner cylinder flange and the inner cylinder ring, and the second inner cylinder flange and the inner cylinder ring A second protection portion is formed between the collars, and the first protection portion and the second protection portion are configured to prevent the connection seam from cracking.
The inner tub of a drum-type washing machine according to claim 1, wherein the first protective member is a connecting plate, and the shape of the connecting plate matches the shape of the inner drum ring.
The inner drum of a drum-type washing machine according to claim 2, wherein when the connecting plate and the connecting seam are connected in place, the distance between the connecting plate and the two ends of the inner drum ring is equal.
The inner tub of a drum-type washing machine according to any one of claims 1 to 3, wherein the first inner tub flange and the inner tub ring are sequentially connected by a spin riveting process and a point riveting process to form a the first guard, and/or

The second inner cylinder flange and the inner cylinder ring are sequentially connected by a spin riveting process and a point riveting process to form the second protection part.
A drum-type washing machine, characterized in that it includes an inner cylinder and a casing, the inner cylinder is located in the casing, and at least one second protection member is arranged on the casing, and the second protection member is set to The left side plate and the right side plate of the casing can be connected, and the inner cylinder is the inner cylinder described in any one of claims 1 to 4 above.
The drum type washing machine according to claim 5, wherein the drum type The washing machine further includes a reinforcement assembly, the reinforcement assembly is arranged on the casing, the second protection member is connected to the reinforcement assembly through fasteners, so that the second protection member passes through the reinforcement assembly and the reinforcement assembly connected to the enclosure.
The drum-type washing machine according to claim 6, wherein the reinforcing assembly includes a first reinforcing member and a second reinforcing member, and the first reinforcing member and the second reinforcing member can jointly form a tight A firmware installation cavity, the fastener installation cavity matches the fastener.
The drum-type washing machine according to claim 7, wherein an elastic member is provided on one of the first reinforcement member and the second reinforcement member, and a reinforcement component accommodation cavity is provided on the casing, so that The reinforcement assembly is clamped into the reinforcement assembly accommodating cavity through the elastic member.
The drum-type washing machine according to claim 8, wherein at least one first installation hole is provided on the second protection member, at least one second installation hole is correspondingly provided on the casing, and the first The reinforcing member is correspondingly provided with at least one third mounting hole, and the second reinforcing member is correspondingly provided with at least one fourth mounting hole, and the third mounting hole and the fourth mounting hole jointly form the fastener the mounting cavity, and the fastener passes through the first mounting hole, the second mounting hole, the third mounting hole and the fourth mounting hole in sequence and is fixed so that the second protective member is fixed to the on the casing.
The drum-type washing machine according to claim 8, wherein at least one first installation hole is provided on the second protection member, at least one second installation hole is correspondingly provided on the casing, and the first The reinforcing member is correspondingly provided with at least one third installation hole, the second reinforcing member is provided with the fastener installation cavity, the fastener installation cavity can accommodate the head of the fastener, the Fasteners pass through the third mounting hole, the second mounting hole and the first mounting hole in sequence and are fixed to fix the second protective member to the casing.