CN217852848U - Sealing element and cleaning machine with sealing structure and applying same - Google Patents

Abstract

The utility model relates to a sealing element and use cleaning machine that has seal structure of this sealing element, the sealing element includes integrative first installation department and the first sealing portion that links to each other, first sealing portion includes first lateral wall, second lateral wall and third lateral wall, the third lateral wall links to each other with first installation department, first lateral wall and second lateral wall all one end link to each other with the third lateral wall, the other end of first lateral wall and second lateral wall all inclines towards the other side and links to each other, first lateral wall, second lateral wall and third lateral wall enclose into first cavity jointly, and the other end of first lateral wall extends its junction with the second lateral wall and forms the fourth lateral wall; an included angle between the fourth side wall and the second side wall is defined as ≦ C, an included angle between the third side wall and the second side wall is defined as ≦ B, and both of the angle B and the angle C are acute angles, and ≦ B ≦ C. Therefore, the second side wall is easier to deform relative to the fourth side wall and the first side wall, the sealing performance of the fourth side wall and the first side wall is enhanced, and the sealing compression force is reduced.

Description

Sealing element and cleaning machine with sealing structure and applying same

Technical Field

The utility model relates to a cleaning machine technical field, concretely relates to sealing member and applied this sealing member's cleaning machine that has seal structure.

Background

In the existing kitchen appliances, such as steam boxes, steam ovens, cleaning machines and the like, the existing kitchen appliances comprise box bodies with functional inner cavities and door bodies which are arranged at openings of the box bodies and can open or close the openings. For example, the washing machine comprises a door body and an inner container forming a washing space, and the washing mechanism is arranged in the washing space. In order to ensure that the water for washing cannot leak out from the gap between the groove body and the door body when washing, a sealing structure is arranged between the periphery of the door body and the inner container.

For a cleaning machine with a top opening door (namely a door cover is arranged at an opening at the top of an inner container), an integrated annular sealing ring is arranged on a door body in the prior art, as shown in the sealing structure of a water tank type dish-washing machine door disclosed in the Chinese utility model patent with the patent number of CN202122957229.2 (with the publication number of CN 216417111U).

However, for the cleaning machine with the side part rotating to open the door (namely, the door body is rotatably arranged at the open part of the side part of the inner container), the bottom of the inner door is positioned in the inner container, the upper part of the inner door can swing back and forth, and an avoiding opening which avoids the inner container when the inner door rotates is arranged at the position, close to the bottom, on the side wall of the inner door, so that the side wall and the bottom wall of the inner door are not completely communicated, namely, an annular structure for sleeving an integral annular sealing ring does not exist on the inner door. If the integrated annular sealing ring is arranged in the inner container, the bottom wall of the inner container needs to be riveted with a frame which can form an accommodating groove (used for accommodating the sealing ring) with the bottom wall surface of the inner container, and the bottom wall surface of the inner container is not a plane, so that the frame is difficult to rivet. Therefore what embedded dishwasher door body was sealed at present adopts is that left, right, last trilateral sealing strip installs on inner bag subassembly, forms end face seal with the inner door, like the chinese utility model patent of patent number CN201520328405.8 (the publication number is CN 204850983U) < dishwasher door seal structure and dish washer including it, door seal structure includes the sealing strip, and the sealing strip includes top seal, left sealing strip and right sealing strip, top seal, left sealing strip and right sealing strip are welded and are become an organic whole.

The sealing strip can adopt a specific structure as the sealing strip for the dish washing machine and the dish washing machine with the sealing strip disclosed in Chinese utility model patent with the patent number of CN201710237679.X (with the publication number of CN 107049197B), wherein the sealing strip comprises a sealing bag which is provided with a sealing cavity with variable volume and defined by a first side wall, a second side wall, a third side wall and a fourth side wall; the sealing bag is provided with a cantilever which is positioned outside the sealing cavity, and the cantilever is connected at the joint of the third side wall and the fourth side wall and is arranged in parallel with the third side wall.

However, the sealing chamber is easily deformed and the sealing performance of the third side wall is improved only by the measure of arranging the second side wall and the third side wall to have a thickness greater than that of each of the first side wall and the fourth side wall, but the arrangement of the included angle between the first side wall and the fourth side wall and the included angle between the fourth side wall and the cantilever arm is not proper, the deformation difficulty of the sealing chamber is still easily increased, and the structure of the sealing strip is still further improved.

In addition, although the sealing head passes through the interlock along the mounting groove of seal installation on the door body in, water still gets into the interlock that is closest to the mounting groove notch along with seal in the contained angle between the head, lead to in water gets into the mounting groove, and then produce the problem of leaking, influence the leakproofness between sealing head and the mounting groove.

The bottom sealing strip is arranged on the door body, for example, the sealing strip for the water retaining under the door for the dish washing machine, which is disclosed in the patent application of the Chinese utility model with the patent number of CN200920050045.4 (the publication number of CN 201346193Y), the sealing strip comprises a body clamped on the inner door, a first sealing soft foot and a second sealing soft foot, wherein the included angle theta between the first sealing soft foot and the second sealing soft foot is more than or equal to 90 degrees and less than or equal to 180 degrees, the first sealing soft foot is arranged at the bottom of the inner container chassis, and the second sealing soft foot is arranged at the side part of the inner container chassis. The utility model discloses because the contained angle theta that adopts between 2 sealed soft feet of sealing strip is 90 and is less than or equal to theta and is less than or equal to 180, the bottom on inner bag chassis is arranged in to first sealed soft foot, and the structure of the lateral part on inner bag chassis is arranged in to the sealed soft foot of second, and during the use, the inner door is closed, and 2 sealed soft feet compress tightly the inner wall on inner bag chassis simultaneously when the atress, under the impact of rivers, seal more tightly.

In the existing sealing structure, the corners of the left sealing strip, the right sealing strip and the bottom sealing strip are not sealed, namely, the upper sealing strip, the left sealing strip, the right sealing strip and the bottom sealing strip do not form a closed ring under the closing state of a door body, sealing dead angles exist at the left corner and the right corner of the liner, water can enter the region of the liner, which is positioned outside the bottom sealing strip, from the left sealing dead angle and the right sealing dead angle during cleaning, and if the water flow intensity is high, the risk of overflowing from a cleaning machine exists;

in addition, the door body of dish washer generally comprises interior door body and outer door body (as shown like above-mentioned patent), and two-layer door body links into a whole, but can have the gap between interior door body and the outer door body, and the temperature when the cleaning machine washs is high, if sealed between the inner bag and the door body not can produce between a large amount of steam and enter interior outer door, damage the electrical components of installing in the door body to water also can flow from the gap between the interior outer door, drips on the mesa.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is to prior art's current situation, thereby provides the sealing member that the leakproofness is good that deforms easily.

The utility model discloses the second technical problem that will solve is the current situation to prior art, provides a cleaning machine who has seal structure who uses above-mentioned sealing member.

The utility model aims to solve the third technical problem is to prior art's current situation, provides one kind and can carry out the cleaning machine with seal structure sealed to the sealed dead angle between side seal strip and the bottom seal strip.

The utility model provides a technical scheme that above-mentioned first technical problem adopted is: a sealing element is strip-shaped and comprises a first mounting part and a first sealing part which are integrally connected, wherein the first sealing part comprises a first side wall, a second side wall and a third side wall, the third side wall is connected with the first mounting part, one end of each of the first side wall and the second side wall is connected with the third side wall, the other end of each of the first side wall and the second side wall inclines towards the other side and is connected with the other end of the first side wall, the second side wall and the third side wall jointly enclose a first cavity capable of elastic deformation, and the other end of the first side wall extends out of the connection part of the first side wall and the second side wall to form a fourth side wall;

the method is characterized in that: an included angle between the fourth side wall and the second side wall is defined as ≦ C, an included angle between the third side wall and the second side wall is defined as ≦ B, and the included angle between the fourth side wall and the second side wall is defined as ≦ C.

Preferably, the included angle between the third side wall and the first side wall is defined as ^ E,35 degrees <50 degrees, and the fourth side wall is easy to twist without being in the range.

In order to further facilitate the second side wall to be compressed, thereby deforming the first cavity, the thickness of the second side wall is smaller than the thickness of the first side wall and the fourth side wall.

In order to prevent the first installation part from being separated from the accommodating groove, a sealing arm is arranged on the outer wall surface of the first installation part, the sealing arm inclines towards the direction far away from the first installation part along the direction from the first installation part to the first sealing part, and the included angle between the sealing arm and the outer wall surface of the first installation part is an acute angle. The first installation part is used for installing the sealing element in the containing groove, the sealing arm deforms and extrudes when being installed, the direction of the sealing arm is opposite to the direction of the installation entering the containing groove, and a reverse buckle is formed after the installation is completed, so that the first installation part is not easy to deviate from, a cavity can be arranged on the first installation part, and the installation part deforms by extrusion during installation, and is convenient to install.

Preferably, be equipped with the sealing lip that extends towards first installation department on the third lateral wall, the sealing lip is located the side of first installation department, just have the clearance between the outer wall of sealing lip and first installation department.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the kitchen appliance with the sealing structure, which applies the sealing element, is characterized in that: comprises that

The front side of the inner container is open, a containing groove for containing the first installation part is formed in the inner container, and the containing groove is arranged close to the opening of the inner container;

the door body can be rotatably arranged on the front side of the inner container so as to open or close the opening of the inner container, the door body comprises an outer door and an inner door which are connected with each other, the inner door is at least partially embedded in the inner container in a closed state of the door body, and the first side wall and the fourth side wall are abutted against the inner door to form sealing.

The containing groove can be formed in the wall surface of the inner container, but the strength of the inner container is easily reduced, preferably, an installation part with a Z-shaped section is arranged in the inner container, the installation part comprises a first plate body, a second plate body and a third plate body which are sequentially connected, the first plate body is arranged on the inner container, and the second plate body, the third plate body and the inner wall surface of the inner container jointly form the containing groove in a surrounding mode. The mounting part has a simple structure and is convenient to form a containing groove by being matched with the inner container.

In order to prevent that water from entering into the storage tank, be equipped with the seal lip that extends towards first installation department on the third lateral wall, the seal lip is located the side of first installation department, just have the clearance between the outer wall of seal lip and first installation department, under the state of first installation department holding in the storage tank, the third plate body inlays to be established and forms sealedly in aforementioned clearance. The sealing lip can prevent water from entering an included angle between the sealing arm closest to the notch of the containing groove and the sealing head.

Can both form sealedly around for the inner bag and the door body, the sealing member is the U type, including two lateral part sealing strips of the vertical extension of relative setting and with the top of two lateral part sealing strips link to each other about the top sealing strip that extends, the storage tank also is the U type that corresponds, on the roof of inner bag was located to the top sealing strip, two lateral part sealing strips corresponded respectively and install on the lateral wall about the inner bag, the bottom of inner door is equipped with the bottom sealing strip that extends along left right direction. The sealing member seals the upper, left and right sides, and the bottom sealing strip seals the bottom area.

The utility model provides a technical scheme that above-mentioned third technical problem adopted does: the utility model discloses a door body, including the inner bag, the inner bag is provided with the lateral part sealing strip, the lateral part sealing strip is provided with the bottom sealing strip, the tip of bottom sealing strip has the interval between the lower extreme of the lateral part sealing strip of corresponding side with, all is equipped with the seal segment between every lateral part sealing strip and the bottom sealing strip, under the state that the door body was closed, the seal segment supports and presses on the bottom wall of inner bag, seal segment one end links to each other or offsets with the lateral part sealing strip that corresponds the side, the seal segment other end links to each other or offsets with the bottom sealing strip.

In order to form the sealing section, the lower end of the side sealing strip is transversely bent and extended to form the sealing section, and the free end of the sealing section is abutted to the bottom sealing strip. Therefore, the length of the side sealing strip is only required to be longer, and when the side sealing strip is installed, the side sealing strip is partially bent to form a sealing section. In order to prevent the bottom sealing strip from interfering with the sealing section, the bottom sealing strip or the sealing section is twisted, affecting the tightness therebetween, preferably said sealing section is pressed against the end of the corresponding side of the bottom sealing strip.

In order to prevent the sealing section from vertically displacing, the abutting firmness of the sealing section and the bottom sealing strip is affected, and further the sealing effect is affected, a positioning block is fixedly arranged in the liner and pressed on the upper surface of the first installation part of the sealing section, and the positioning block plays a role in positioning the sealing section, so that stable and reliable corner sealing is formed.

The bottom sealing strip can have various structural forms, and preferably comprises

The body is connected with the bottom of the inner door;

the first sealing sheet extends forwards and backwards, and the middle part of the first sealing sheet is connected with the bottom of the body;

the second sealing piece is arranged on the bottom wall surface of the first sealing piece, the upper end of the second sealing piece is connected with the rear end of the first sealing piece, the front end of the first sealing piece is abutted against the front wall surface of the liner in the state that the door body is closed, the lower end of the second sealing piece is abutted against the bottom wall surface of the liner, and the end part of the second sealing piece is abutted against the fourth side wall of the sealing section. The first sealing piece forms sealedly with the front side of inner bag bottom plate, and the second sealing piece contradicts with the diapire of inner bag bottom plate and with the sealed section and forms sealedly.

In order to facilitate the installation of the second installation part, the bottom of the inner door is bent forwards to form an embedded groove, the upper end of the body is bent backwards and downwards to form a second installation part which can be embedded in the embedded groove, the part between the body and the second installation part is called a bent part, in order to prevent the bottom sealing strip from generating displacement in the left and right directions, limiting blocks are arranged at the positions of the left and right ends of the embedded groove on the inner door, and the two ends of the bent part are respectively abutted to the two limiting blocks on the corresponding side.

Compared with the prior art, the utility model has the advantages that: 1. the utility model discloses a define the contained angle between fourth lateral wall and the second lateral wall as ^ C, the contained angle between third lateral wall and the second lateral wall is defined as ^ B, angle B and angle C are the acute angle, and ^ B < angle C, thereby make the second lateral wall warp for fourth lateral wall, first lateral wall more easily, strengthened the sealing performance of fourth lateral wall, first lateral wall, and reduced sealed compressive force; 2. the utility model discloses a lower extreme at two lateral part sealing strips sets up the seal segment, the seal segment is inconsistent with the bottom sealing strip to link together lateral part sealing strip and bottom sealing strip, avoid not junction to leak between lateral part sealing strip and the bottom sealing strip, form reliable bight sealing area, a large amount of water spills over when can preventing to wash, only have a small amount of infiltration, make the steam greatly reduced that the regional a in the bottom sealing strip front side produced simultaneously (in figure 3), reduce the prevention degree of difficulty of steam between interior door and the outer door.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view (longitudinal cut) of FIG. 1;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a cross-sectional view of the inner door of FIG. 2 with the inner door removed;

FIG. 6 is a schematic structural view of the inner door of FIG. 5;

FIG. 7 is a cross-sectional view (transverse) in another direction of FIG. 1;

FIG. 8 is an enlarged view at C of FIG. 7;

FIG. 9 is an enlarged view of FIG. 8 at D;

FIG. 10 is a schematic view of the seal of FIG. 2;

FIG. 11 is a cross-sectional view of FIG. 10;

FIG. 12 is a schematic view of the positioning block of FIG. 2;

FIG. 13 is a structural view of the positioning block of FIG. 2 in another direction;

FIG. 14 is a structural view of the positioning block of FIG. 2 in another direction;

fig. 15 is a schematic structural view of a positioning block according to embodiment 2 of the present invention;

fig. 16 is a schematic structural view of a mounting member according to embodiment 2 of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

As shown in fig. 1 to 14, the kitchen appliance with a sealing structure of the preferred embodiment is a washing machine, which comprises an inner container 1, a door body 2, a sealing member 3, a bottom sealing strip 4 and a positioning block 5, wherein the sealing member 3 and the bottom sealing strip 4 jointly form a sealing structure.

As shown in fig. 1 to 7 and 10, the front side of the liner 1 is open, the sealing element 3 is disposed in the liner 1 and is adjacent to the opening of the liner 1, the sealing element 3 includes two side sealing strips 31 extending vertically and a top sealing strip 32 extending left and right above the two side sealing strips 31, the top sealing strip 32 is disposed on the top wall of the liner 1, and the side sealing strips 31 are respectively and correspondingly mounted on the left and right side walls of the liner 1.

The side weather strip 31 and the top weather strip 32 may be designed separately, but in order to prevent a sealing dead angle between the upper end of the side weather strip 31 and the top weather strip 32 and water leakage, in the present embodiment, the two side weather strips 31 and the top weather strip 32 are integrally formed into the U-shaped sealing member 3. As shown in fig. 4 and 9, a mounting part 6 with a Z-shaped cross section is arranged in the inner container 1, the mounting part 6 includes a first plate body 61, a second plate body 62 and a third plate body 63 which are connected in sequence, the first plate body 61 is mounted on the inner container 1, the second plate body 62, the third plate body 63 and the inner wall surface of the inner container 1 jointly enclose a containing groove 64, the containing groove 64 is arranged near the opening of the inner container 1, the containing groove 64 is U-shaped and is adapted to the sealing element 3, and the sealing element 3 is locally contained in the containing groove 64.

As shown in fig. 2 to 4, the door 2 is rotatably provided at the front side of the inner container 1 to open or close the opening of the inner container 1. The door body 2 comprises an outer door 21 and an inner door 22 which are connected with each other, the bottom of the inner door 22 is positioned in the inner container 1, the upper part of the inner door 22 can deflect back and forth relative to the inner container 1, and the rotating connection structure of the door body 2 and the inner container 1 can adopt the existing structure. The lower side of the inner door 22 is bent forward and upward to form a folded edge 221, and the folded edge 221 and the front wall surface of the inner door 22 enclose a caulking groove 222.

As shown in fig. 2 to 4 and 6, the bottom weather strip 4 extends in the left-right direction, the bottom weather strip 4 includes a body 41, a first sealing sheet 42, a second sealing sheet 43, and a second mounting portion 44, the body 41 is connected to the bottom of the inner door 22, specifically: the upper end of the body 41 is bent backwards and downwards to form a second mounting portion 44 which can be embedded in the embedding groove 222. In order to prevent the bottom weather strip 4 from being displaced in the left-right direction, a portion between the body 41 and the second mounting portion 44 is called a bent portion 45, the inner door 22 is provided with limit blocks 223 at left and right ends of the insertion groove 222, and two ends of the bent portion 45 respectively abut against the two limit blocks 223 at the corresponding sides.

The first sealing sheet 42 extends front and back, the middle of the first sealing sheet is connected with the bottom of the body 41, the second sealing sheet 43 is arranged on the bottom wall surface of the first sealing sheet 42, the upper end of the second sealing sheet 43 is connected with the rear end of the first sealing sheet 42, the front end of the first sealing sheet 42 abuts against the front wall surface of the inner container 1 when the door body 2 is closed, the lower end of the second sealing sheet 43 abuts against the bottom wall surface of the inner container 1, and the end part of the second sealing sheet 43 abuts against the fourth side wall 84 of the sealing section 33 below.

The rear region of the first sealing fin 42 wraps the bottom wall of the inner door 22, and prevents water from entering the caulking groove 222 from a gap between the bottom wall of the inner door 22 and the body 41.

As shown in fig. 3, 5, and 8, because the end of the bottom sealing strip 4 has a distance from the lower end of the side sealing strip 31 on the corresponding side, there is a sealing dead angle, a sealing section 33 is provided between each side sealing strip 31 and the bottom sealing strip 4, when the door body 2 is closed, the sealing section 33 is pressed against the bottom wall surface of the inner container 1, one end of the sealing section 33 is connected or abutted to the side sealing strip 31 on the corresponding side, and the other end of the sealing section 33 is connected or abutted to the bottom sealing strip 4.

As shown in fig. 3, in this embodiment, the lower end of the side sealing strip 31 is bent and extended transversely to form the sealing section 33, the free end of the sealing section 33 abuts against the bottom sealing strip 4, and the sealing section is used to connect the side sealing strip 31 and the bottom sealing strip 4 to prevent water from leaking out of the gap between the two.

As shown in fig. 5, both left and right ends of the second seal fin 43 are in contact with the seal segment 33, and it is needless to say that both left and right ends of the second seal fin 43 may extend beyond the seal segment 33, but this may easily cause interference between the second seal fin 43 and the seal segment 33, and may cause distortion between the second seal fin 43 and the seal segment 33 when the door is closed, thereby affecting the sealing performance.

As shown in fig. 8 and 12 to 14, the positioning block 5 is fixedly arranged in the liner 1, and the positioning block 5 can be made of plastic. The positioning block 5 is connected to the inner container 1 through a connecting member (e.g., a screw) installed in the connecting hole 50, and specifically, in this embodiment, since the door body 2 and the inner container 1 are rotatably connected by a hinge structure, a hinge support block (not shown in the figure) for supporting a hinge is provided, the hinge support block is attached to the outer wall surface of the inner container 1, the screw passes through the hinge support block, the inner container 1 and the screw hole to be connected, and of course, the screw can also be directly passed through the inner container 1 to be connected with the screw hole.

The bottom of locating piece 5 is seted up and is supplied the guide way 51 that sealing segment 33 passed, and the one end of guide way 51 is towards the lower extreme of lateral part sealing strip 31, and the other end is towards bottom sealing strip 4, is equivalent to locating piece 5 presses the upper surface at sealing segment 33, plays the effect of location sealing segment 33, prevents that sealing segment 33 from producing the displacement in vertical, influences its and bottom sealing strip 4 support and press firm nature, and then influences sealed effect.

As shown in fig. 9 and 13, in the present embodiment, the positioning block 5 is provided with an escape opening 53 for escaping the side weather strip, and a water blocking portion 52 is formed at a portion of the positioning block 5 surrounding the escape opening 53. The water blocking part 52 can block a large amount of water sprayed to the door body 2 and falling back during washing and spraying, so that the water surging close to the corner is reduced, and the sealing pressure is reduced.

As shown in fig. 9, the positioning block 5 has the following functions in addition to the functions of positioning the sealing section 33 as described above: guide rails 12 extending in the front-back direction are arranged on the left wall surface and the right wall surface of the inner container 1, the positioning block 5 is located at the front end of the guide rails 12, and the upper end surface of the positioning block 5 and the upper end surface of the guide rails 12 jointly form a channel on which the bowl basket can slide. When the bowl basket is pushed and pulled, the space between the tail end of the guide rail 12 and the inner door 22 is empty, when the roller of the bowl basket moves to the space between the tail end of the guide rail 12 and the inner door 22, the bowl basket is pushed and pulled to have a colliding feeling and unsmooth hand feeling, the positioning block 5 equivalently fills up the space, and the bowl basket pushing and pulling experience is improved.

In the present embodiment, the side weather strip 31 and the sealing section 33 have the same structure, and the sealing section 33 is described here:

as shown in fig. 11, the sealing section 33 includes a first mounting portion 7 and a first sealing portion 8 that are integrally connected, the first mounting portion 7 passes through the guide groove 51 of the positioning block 5, a sealing arm 71 is disposed on an outer wall surface of the first mounting portion 7, the sealing arm 71 is inclined in a direction away from the first mounting portion 7 along a direction from the first mounting portion 7 to the first sealing portion 8, and an included angle between the sealing arm 71 and the outer wall surface of the first mounting portion 7 is an acute angle. The seal arm 71 is deformable and thus brought into close contact with the positioning block 5, thereby preventing the first mounting portion 7 from moving relative to the positioning block 5 and affecting the sealing performance.

The first sealing portion 8 includes a first sidewall 81, a second sidewall 82, a third sidewall 83, a fourth sidewall 84, a fifth sidewall 85, and a sixth sidewall 86, the third sidewall 83 is connected to the first mounting portion 7, one end of each of the first sidewall 81 and the second sidewall 82 is connected to the third sidewall 83, specifically in this embodiment, the first sidewall 81 and the third sidewall 83 are connected to each other through the fifth sidewall 85, the second sidewall 82 and the third sidewall 83 are connected to each other through the sixth sidewall 86, the other ends of the first sidewall 81 and the second sidewall 82 are both inclined toward each other and connected to each other, the first sidewall 81, the second sidewall 82, the third sidewall 83, the fifth sidewall 85, and the sixth sidewall 86 together enclose an elastically deformable first cavity 87, and the other end of the first sidewall 81 extends out of a connection portion of the first sidewall 81 and the second sidewall 82 to form the fourth sidewall 84, and the thickness of the second sidewall 82 is smaller than the thicknesses of the first sidewall 81 and the fourth sidewall 84.

Of course, the first sidewall 81 may be directly connected to the third sidewall 83, and the second sidewall 82 may be directly connected to the third sidewall 83.

The included angle between the fourth side wall 84 and the second side wall 82 is defined as ℃, < B, and both ℃, < C are acute angles, and ℃, < B & C, the included angle between the third side wall 83 and the first side wall 81 is defined as ℃, < E & lt 50 ° at 35 °. The angles of ° B, ℃, ° E in fig. 11 are marked on the top sealing strip 32, and the angle of the sealing section 33 is the same as that of the top sealing strip 32.

In a state where the door body 2 is closed, the first side wall 81 and the fourth side wall 84 abut against the second seal fin 43. The first side wall 81 and the fourth side wall 84 are pressed by the second sealing sheet 43, the first cavity 87 is compressed, and therefore sealing is formed with the second sealing sheet 43 of the bottom sealing strip 4 under the resilience force of the first cavity 87, and because of the limitation of the magnitude relation of ≦ B and ≦ C, the second side wall 82 is more easily deformed relative to the first side wall 81 and the fourth side wall 84, the sealing performance of the first side wall 81 and the fourth side wall 84 is enhanced, and the sealing compression force is reduced.

With respect to the seal 3:

as shown in fig. 4, 7 and 11, the first mounting portion 7 of the sealing member 3 is received in the receiving groove 64, and the free end of the sealing arm 71 abuts against the wall surface of the receiving groove 64, so that the first mounting portion 7 is securely mounted in the receiving groove 64. When the installation, the sealing arm 71 deforms and extrudes, the direction of the sealing arm 71 is opposite to the direction of the installation entering the accommodating groove 64, and a back-off is formed after the installation is completed, so that the first installation part 7 is not easy to separate, a cavity can be arranged on the first installation part 7, and the installation part deforms by extrusion during the installation, thereby facilitating the installation.

The third side wall 83 of the sealing member 3 is provided with a sealing lip 88 extending toward the first mounting portion 7, the sealing lip 88 is located beside the first mounting portion 7, a gap is formed between the sealing lip 88 and the outer wall surface of the first mounting portion 7, and the third plate 63 is embedded in the gap to form a seal in a state that the door body 2 is closed, so as to prevent water from leaking into the accommodating groove 64.

In a state where the door body is closed, the first side wall 81 and the fourth side wall 84 of the sealing member 3 are pressed against the inner door 22. In a state where the door body 2 is closed, the first side wall 81 and the fourth side wall 84 are pressed against the rear wall surface (i.e., the inner wall surface) of the inner door 21. The first side wall 81 and the fourth side wall 84 are pressed by the inner door 21, the first cavity 87 is compressed, so that sealing is formed with the inner door 21 under the repulsive force of the first cavity 87, and because of the limitation of the magnitude relation of ≦ B and ≦ C, the second side wall 82 is more easily deformed relative to the first side wall 81 and the fourth side wall 84, the sealing performance of the first side wall 81 and the fourth side wall 84 is enhanced, and the sealing compression force is reduced.

Example 2

As shown in fig. 15 and 16, the present embodiment is different from embodiment 1 in that: the positioning manner of the positioning block 5 is different from that of embodiment 1.

The positioning block 5 of this embodiment is not positioned by screws, but a clamping piece 54 is disposed on the positioning block 5, the lower end of the clamping piece 54 is mounted on the positioning block 5, the upper end of the clamping piece 54 extends upward, and a clamping groove 621 is disposed on the second plate 62 and is used for clamping the clamping piece 54 therein. Therefore, an additional connecting piece for fixing the positioning block 5 is not required, the clamping piece 54 is only required to be arranged on the positioning block 5, and the clamping groove 621 is arranged on the second plate body 62, so that the structure is simple and compact.

Claims (15)

1. A sealing element is strip-shaped, the sealing element (3) comprises a first mounting part (7) and a first sealing part (8) which are integrally connected, the first sealing part (8) comprises a first side wall (81), a second side wall (82) and a third side wall (83), the third side wall (83) is connected with the first mounting part (7), one end of each of the first side wall (81) and the second side wall (82) is connected with the third side wall (83), the other ends of the first side wall (81) and the second side wall (82) incline towards each other and are connected with each other, a first cavity (87) capable of elastic deformation is defined by the first side wall (81), the second side wall (82) and the third side wall (83) together, and a fourth side wall (84) is formed by extending the other end of the first side wall (81) out of the joint of the first side wall and the second side wall (82);

the method is characterized in that: an included angle between the fourth side wall (84) and the second side wall (82) is defined as ≦ C, an included angle between the third side wall (83) and the second side wall (82) is defined as ≦ B, both of which are acute angles, and ≦ B ≦ C.

2. The seal of claim 1, wherein: the included angle between the third side wall (83) and the first side wall (81) is defined as < E, and 35 degrees < E <50 degrees.

3. The seal of claim 1, wherein: the thickness of the second side wall (82) is smaller than the thickness of the first side wall (81) and the thickness of the fourth side wall (84).

4. The seal of claim 1, wherein: the outer wall surface of first installation department (7) is equipped with seal arm (71), seal arm (71) along first installation department (7) to the direction slope of first installation department (7) towards the direction of keeping away from first installation department (7) of first installation department (8), contained angle between the outer wall surface of seal arm (71) and first installation department (7) is the acute angle.

5. The seal of claim 1, wherein: be equipped with on third lateral wall (83) towards seal lip (88) that first installation department (7) extend, seal lip (88) are located the side of first installation department (7), just have the clearance between the outer wall surface of seal lip (88) and first installation department (7).

6. A cleaning machine having a sealing structure using the sealing member according to any one of claims 1 to 4, characterized in that: comprises that

The front side of the inner container (1) is open, a containing groove (64) for containing the first installation part (7) is formed in the inner container (1), and the containing groove (64) is arranged close to the opening of the inner container (1);

the door body (2) is rotatably arranged on the front side of the inner container (1) so as to open or close the opening of the inner container (1), the door body (2) comprises an outer door (21) and an inner door (22) which are connected with each other, the inner door (22) is at least partially embedded in the inner container (1) in a closed state of the door body (2), and the first side wall (81) and the fourth side wall (84) are pressed against the inner door (22) to form sealing.

7. The cleaning machine of claim 6, wherein: be equipped with installed part (6) that the cross-section is the Z type in inner bag (1), installed part (6) are including consecutive first plate body (61), second plate body (62) and third plate body (63), first plate body (61) are installed on inner bag (1), the internal face of second plate body (62) and third plate body (63) and inner bag (1) encloses jointly storage tank (64).

8. The cleaning machine of claim 7, wherein: be equipped with on third lateral wall (83) towards seal lip (88) that first installation department (7) extend, seal lip (88) are located the side of first installation department (7), just have the clearance between the outer wall of seal lip (88) and first installation department (7), under the state of first installation department (7) holding in storage tank (64), third plate body (63) are inlayed and are established and are formed sealedly in the aforesaid clearance.

9. The cleaning machine of claim 6, wherein: sealing member (3) are the U type, including two lateral part sealing strips (31) of the vertical extension of relative setting and with top sealing strip (32) of extending about the top of two lateral part sealing strips (31) links to each other, storage tank (64) also is the U type that corresponds, on the roof of inner bag (1) was located in top sealing strip (32), two lateral part sealing strips (31) correspond respectively and install on the lateral wall about inner bag (1), the bottom of interior door (22) is equipped with along bottom sealing strip (4) of controlling the direction extension.

10. The washing machine as claimed in claim 9, wherein: have the interval between the tip of bottom sealing strip (4) and the lower extreme that corresponds side sealing strip (31), all be equipped with sealing section (33) between every side sealing strip (31) and bottom sealing strip (4), under the state that the door body (2) was closed, sealing section (33) support and press on the end wall of inner bag (1), sealing section (33) one end links to each other or offsets with side sealing strip (31) that correspond the side, sealing section (33) other end links to each other or offsets sealing section (33) with bottom sealing strip (4).

11. The cleaning machine of claim 10, wherein: the lower end of the side sealing strip (31) is transversely bent and extended to form the sealing section (33), and the free end of the sealing section (33) is abutted to the bottom sealing strip (4).

12. The washing machine as claimed in claim 11, wherein: the sealing section (33) is pressed against the end part of the corresponding side of the bottom sealing strip (4).

13. The cleaning machine of claim 11, wherein: the inner container (1) is internally and fixedly provided with a positioning block (5), and the positioning block (5) is pressed on the upper surface of the first mounting part (7) of the sealing section (33).

14. The washing machine as claimed in claim 10, wherein: the bottom sealing strip (4) comprises

A body (41) connected to the bottom of the inner door (22);

a first sealing sheet (42) which extends forwards and backwards and is connected with the bottom of the body (41) in the middle;

the second sealing sheet (43) is arranged on the bottom wall surface of the first sealing sheet (42), the upper end of the second sealing sheet (43) is connected with the rear end of the first sealing sheet (42), the front end of the first sealing sheet (42) is abutted against the front wall surface of the inner container (1) in the state that the door body (2) is closed, the lower end of the second sealing sheet (43) is abutted against the bottom wall surface of the inner container (1), and the end part of the second sealing sheet (43) is abutted against and pressed against the fourth side wall (84) of the sealing section (33).

15. The cleaning machine of claim 14, wherein: the bottom of interior door (22) is buckled forward and is formed caulking groove (222), the upper end of body (41) is backward and is buckled downwards and is formed second installation department (44) that can inlay and establish in caulking groove (222), the position between body (41) and second installation department (44) is called kink (45), be equipped with stopper (223) in the position that lies in both ends about caulking groove (222) on interior door (22), the both ends of kink (45) offset with two stopper (223) of corresponding side respectively.

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