CN211645719U

CN211645719U - Washing machine door seal and front outer barrel structure

Info

Publication number: CN211645719U
Application number: CN201921957769.7U
Authority: CN
Inventors: 陈新虹
Original assignee: Suzhou Niang Technology Co ltd
Current assignee: Suzhou Niang Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-10-09
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a washing machine door seals and preceding urceolus structure relates to the washing machine field, and it includes preceding urceolus and door seal, and the urceolus front edge before the door seals the setting, and the door seals moulds plastics at the urceolus front edge in the front. The utility model has the advantages that: because the front edge of urceolus sets up interlock portion and the door seal fixed part that extends to the inner circle in the front, through with the door seal through the through-hole of secondary injection moulding on interlock portion, door seal fixed part and door seal fixed part, make door seal and preceding urceolus through moulding plastics into an organic whole structure, there is not the gap between the two, seamless connection, the risk that does not leak, and it is tight to need not the clamp or the clamp part of door seal ring presss from both sides, there is not unnecessary part, can not produce and hide dirty dirt, and there is not other equipment parts behind the integrative structure, the assembly process has been simplified.

Description

Washing machine door seal and front outer barrel structure

Technical Field

The utility model relates to a drum type washing machine field, in particular to washing machine door seals and preceding urceolus structure.

Background

The drum washing machine can avoid the entanglement of clothes and reduce the wear of the clothes, and the drum washing machine is widely used in modern society. A circle of sealing structure is arranged between the outer cylinder and the front door plate at the front part of the drum washing machine, and is called as a door seal, and the sealing structure is mainly used for sealing the outer cylinder and the front door plate, preventing washing water from leaking out of the cylinder in the washing and dewatering processes, and isolating vibration generated when the inner cylinder assembly runs from being transmitted to a washing machine box body. The door seal is usually made of elastic materials, the door seal and the outer cylinder are sealed through elasticity, and the door seal is sealed with the door of the washing machine through the door seal lip edge to prevent water leakage. In the prior art, a door seal and a front outer cylinder are generally in a split structure, the door seal is sleeved on the front edge of the front outer cylinder, and the door seal and the front outer cylinder are clamped on an outer ring through a door seal clamp. The mode has more parts and complex assembly process; a gap is inevitably formed between the door seal and the front outer cylinder, dirt can be hidden, and the risk of water leakage exists in front of the door seal and the front outer cylinder. And because the existence of clearance, in the laundry process, because vibrations lead to preceding urceolus can produce great vibration, and preceding door plant is connected with the box and is the relative static door that leads to having the clearance and the friction and wear between the urceolus is great to lead to the door to seal the problem such as softening of leaking after the friction easily, influence the sealed effect of door seal. In the prior art, the door seal ring of the door seal is arranged on the front cover additionally arranged on the front outer cylinder, so that the thickness of the door seal ring is reduced, and the phenomenon that dirt is hidden in the door seal ring is avoided. For example, the chinese patent application publication No. CN109652956A discloses a washing machine, a door seal device thereof, and a front cover of an outer tub. The door sealing device comprises an outer cylinder front cover, a machine door and a door sealing ring, wherein the outer cylinder front cover is used for being installed and connected to the edge of an opening of the outer cylinder of the washing machine, the outer cylinder front cover is provided with a through hole, and the through hole is communicated with the opening of the outer cylinder of the washing machine; the machine door is used for sealing the opening of the outer barrel of the washing machine and comprises a door plate and a covering piece, the covering piece is convexly arranged on one surface of the door plate facing the front cover of the outer barrel, and the width of the covering piece is smaller than that of the door plate; one side of the door seal ring is connected with the front cover of the outer cylinder or connected with the cover piece. The front cover is used for installing the door seal ring and performing compression fixation, so that the thickness of the door seal ring is reduced. The door seal ring still exists, a large gap still exists between the door seal and the front outer barrel, dirt can be hidden, more parts are arranged, the process is complex in the assembling process, and the assembling is inconvenient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a washing machine door that can effectually prevent to leak, sealed effectual, integrative seamless seals and preceding urceolus structure.

In order to solve the technical problem, the utility model discloses a technical scheme does: a washing machine door seal and front outer barrel structure comprises a front outer barrel and a door seal, wherein the door seal is used for fixing the front edge of the front outer barrel, and the door seal is fixed on the front edge of the front outer barrel in a plastic sealing mode.

Furthermore, the front edge of the front outer cylinder is provided with a connecting part, and the door seal is fixed on the connecting part in a plastic sealing mode.

Furthermore, the front edge of the connecting part is an engaging part protruding towards the inner ring, and the engaging part is in a concave edge shape protruding towards the front edge from the inner ring.

Further, the inner ring of the front edge of the connecting part is provided with a door seal fixing part, the door seal fixing part is in a ring strip shape, and the door seal fixing part is wrapped in the door seal.

Furthermore, the periphery of the door seal fixing part is provided with an injection molding through hole along the direction from the front edge to the rear edge, and the door seal part is injected into the injection molding through hole and is connected with other parts of the door seal into an integral structure through injection molding.

Further, the through-hole of moulding plastics evenly sets up on the door seals fixed part.

Further, the door seal is integrated into one piece's door seal, the door seal includes door seal front lip, door seal inner lip and door seal main part, door seal front lip is the sealing lip that extends to the leading edge direction, door seal inner lip is the sealing lip that extends to urceolus inner circle, the door seal main part is the sealing ring body structure of urceolus front edge before the plastic envelope is fixed, door seal front lip, door seal inner lip and door seal main part integrated into one piece.

Further, preceding urceolus includes installation department, barrel portion and bobbin base portion, installation department, barrel portion and bobbin base portion integrated into one piece, the installation department is located barrel portion trailing edge, the bobbin base portion is located barrel portion leading edge, barrel base portion inner circle integrated into one piece has connecting portion, the direction that sets up of connecting portion is for extending to leading edge direction, the leading edge of connecting portion is provided with the interlock portion that extends to the inner circle direction, the inner circle integrated into one piece of interlock portion has banded door to seal the fixed part, it is provided with the through-hole to trailing edge direction along the leading edge on the fixed part to seal, door seals door as integrated into one piece and seals, door seals through the secondary cladding in the through-hole on door seal fixed part, door seal fixed part and interlock portion surface formation integral structure.

Adopt above-mentioned technical scheme, because the front edge of urceolus sets up interlock portion and the door seal fixed part that extends to the inner circle in the front, through sealing integrated into one piece with the door and moulding plastics and fix in interlock portion, in the through-hole on door seal fixed part and the door seal fixed part, make door seal and preceding urceolus through moulding plastics into an organic whole structure, there is not the gap between the two, seamless connection, the risk that does not leak, and the clamping part who need not clamp hoop or door seal ring presss from both sides tightly, there is not unnecessary part, can not produce and hide dirty dirt, and there is not other equipment parts behind the integrative structure, assembly process has obtained the simplification.

Drawings

FIG. 1 is a schematic view of a partially cut-off three-dimensional structure of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a longitudinal sectional view of the present invention at a in fig. 1.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 and 2, the present embodiment discloses a door seal and front outer cylinder structure of a washing machine, comprising a front outer cylinder 1 and a door seal 2, wherein the door seal 2 is arranged at the front edge of the front outer cylinder 1, and the front edge is understood to be relative to the direction installed at the front in the washing machine. The utility model discloses an innovation lies in sealing 2 and preceding urceolus 1 at first shaping with the door, and the rethread secondary is moulded plastics and is made the door seal 2 fix to the structure of preceding urceolus 1 leading edge.

Feasible, preceding urceolus 1 can adopt following structure, and it includes installation department 11, barrel portion 12, bobbin base 13 and connecting portion 14, installation department 11, barrel portion 12, bobbin base 13 and connecting portion 14 integrated into one piece adopt integrative injection moulding's mode in this particular embodiment, specifically can be the mode shaping that adopts PP plastics injection moulding, the utility model discloses a other plastic molding also can be adopted in other particular embodiments. The mounting part 11 is located at the flanging position of the inner side of the barrel part 12, the mounting part 11 is in an annular flanging shape, the surface of the mounting part is in a plane shape or an arc-shaped bulge shape, a mounting through hole 111 is formed in the mounting part, the mounting through hole 111 is provided with a circle for mounting the front outer barrel 1 on the washing machine, and the mounting part can be specifically fixed on the outer barrel of the drum washing machine through a bolt matched with a sealing gasket.

The barrel 12 is cylindrical, the barrel bottom 13 is located inside the front edge of the barrel 12, and the barrel 12 may be a cylindrical structure with inclination, specifically a structure with a small front edge and a large rear edge, as required. Preferably, the junction of the barrel 12 and the barrel bottom 13 may be a convex rounded structure. Preferably, the outer surface of the cylindrical body 12 may be provided with a cylindrical reinforcing rib 121, the cylindrical reinforcing rib 121 is disposed along the rear edge toward the front edge, and the cylindrical reinforcing rib 121 is uniformly arranged around the cylindrical body 12. The cylinder reinforcing rib 121 may extend to the mounting portion 11 and the cylinder bottom portion 13.

The bottom 13 is a flanged structure in which the front edge of the barrel 12 is flanged inwards, and preferably, the bottom 13 may be a structure with an arc-shaped convex surface. The direction of the front edge to the inside here should be considered as a direction in which the washing machine is facing the inside of the tub. In addition, a door opening 131 is arranged in the middle of the barrel bottom 13, and the door opening 131 is used for being communicated with a door opening of the washing machine.

It is feasible that the end of the bottom 13 is provided with a connecting part 14 along the extension direction of the front edge, and the connecting part 14 and the bottom 13 are in an arc structure. The connecting portion 14 includes an extended horizontal portion 142 and a snap portion 141 for mating with the dock seal 2, the snap portion 141 being located on the horizontal portion 142, the snap portion 141 being an outwardly protruding flange structure for injection molding of the dock seal 2 to be snugly secured to the snap portion 141 during processing.

Further, the inner ring of the connecting portion 14 is provided with a door seal fixing portion 143, the door seal fixing portion 143 is an annular band structure along the direction in which the engaging portion 141 protrudes inward, the door seal fixing portion 143 is used for thermoplastically fixing the door seal 2, preferably, the width of the door seal fixing portion 143 is larger than the width of the engaging portion 141, and the outside of the front edge of the connecting portion of the engaging portion 141 and the door seal fixing portion 143 forms a concave angle toward the rear edge. Preferably, the door seal fixing portion 143 is uniformly provided with injection molding fixing holes 144 in one circle, and in the thermoplastic fixing process of the door seal 2, a part of the material passes through the injection molding fixing holes 144 and then is thermoplastic-bonded with the other part of the door seal 2 to form a fixing structure.

Feasible, the mode setting that the fixed orifices 144 of moulding plastics can adopt evenly arranging is at door seal fixed part 143 all round the utility model discloses a mode setting that also can adopt non-uniform arrangement among other embodiments, and the shape and the size of the fixed orifices 144 of just moulding plastics also can be different, as long as can let the structure of part door seal 2 mould plastics when fixed effect can be reached through the fixed orifices 144 of moulding plastics, can keep better leakproofness certainly when evenly arranging and through-hole shape size unanimity.

The door seal 2 may be formed by injection molding, and the structure includes a front door seal lip 21, an inner door seal lip 22, a door seal engaging sealing portion 23, and an injection fixing portion 24, which are integrally formed by injection molding. The front edge of the front outer cylinder is injection-molded with the front lip 21 of the dock seal, the inner lip 22 of the dock seal, the dock seal engaging seal portion 23, and the injection-molded fixing portion 24. The door seal engaging seal portion 23 and the injection-molded fixing portion 24 are injection-molded to the connecting portion 14 to cover the fixing portion. The front door seal lip 21, the inner door seal lip 22 and the door seal engaging sealing portion 23 form sealing structures in all directions of the door seal.

The injection fixing part 24 is filled in the injection fixing hole 144, the door seal engaging sealing part 23 and the door seal inner lip 22 which are coated on the connecting part 14 in front and back of the injection fixing hole 24 and the injection fixing hole 144 are connected together in an injection molding mode to form an integral structure, and the door seal engaging sealing part 23 is coated on the door seal fixing part 143 and the engaging part 141 in a secondary injection molding mode. After injection molding, the door seal engaging sealing portion 23 forms a structure mutually staggered and engaged with the engaging portion 141, that is, the door seal engaging sealing portion 23 around the engaging portion 141 forms an engaging structure by injection molding. The portion of the dock seal engaging sealing portion 23 that is molded into the engaging portion 141 is molded into a recessed corner in the direction of the rear edge that is formed outside the front edge at the junction of the engaging portion 141 and the dock seal fixing portion 143. Preferably, the leading edge corner of the segment is arc-shaped, so that the sealing effect can be improved.

Preferably, the front door seal lip 21 is an annular seal lip structure extending towards the front edge, and the shape of the front door seal lip can be a structure with an arc-shaped outer side, so that the sealing effect can be effectively improved.

Preferably, the door seal inner lip 22 is an annular sealing lip structure extending towards the inner side, the shape of the door seal inner lip can be a structure with an arc-shaped front edge, the sealing effect can be effectively improved, and the door seal inner lip 22 can be preferably arranged obliquely towards the front edge, namely, obliquely with the plane direction of the barrel bottom 13, so that the pressing force between the door seal inner lip and the door can be improved, and the sealing performance is improved. In order to increase the contact area between the inner lip 22 of the door seal and the door of the washing machine, the position of the inner lip 22 of the door seal close to the inner ring can adopt a plane, and an arc-shaped surface is adopted between the plane and the outer ring of the inner lip 22 of the door seal.

The door seal with other structures can be adopted in other embodiments of the present invention, and any door seal structure can be adopted as long as the body portion can be connected to the engaging portion 141 and the door seal fixing portion 143 through the secondary injection molding to form an integral structure.

Preferably, the front edge of the door seal engaging sealing portion 23 covering the engaging portion 141 is of a planar structure, and the corner is of an arc structure, and this section serves as a connecting sealing section of the door seal 2. Because the door seal 2 is coated on the connecting part 14 in a secondary injection molding mode and is injected into the injection molding fixing hole 144, the door seal fixing part 143 for fixing the door seal 2 is completely coated by the whole door seal 2, and no gap exists between the door seal meshing sealing part 23 and the meshing part 141 as well as between the door seal fixing part 143, so that the door seal 2 and the front outer cylinder 1 form an integral structure, and the door seal is connected seamlessly without water leakage risk.

Feasible, the utility model provides a washing machine door seals and preceding urceolus structure's shaping mode, its step is as follows, step one, adopt PP plastics and glass fiber to pour into the urceolus structure before the cooling shaping in the mould, its structure is as in embodiment 1. And secondly, adding an ethylene propylene diene monomer material from a flow channel through a forming cavity with a door seal structure in the injection mold, heating, melting, cooling and injection molding, pressing the front outer cylinder and the secondary injection mold in the injection molding process, and removing the secondary injection mold after molding to obtain a part with the door seal and front outer cylinder integrated structure. The whole injection molding process can be automatically molded through automatic equipment. The traditional rubber injection molding process is adopted in the door seal injection molding process, the process is not different from the traditional rubber injection molding process, and the molded door seal and the front outer barrel form an integrated structure.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a washing machine door seals and preceding urceolus structure, includes preceding urceolus and door seal, the door seal sets up at preceding urceolus leading edge, its characterized in that: the gate seal is injected on the front edge of the front outer cylinder and is integrated with the front outer cylinder into a whole.

2. A washing machine door seal and front outer cylinder structure as claimed in claim 1, wherein: the front edge of the front outer barrel is provided with a connecting part, and the door seal is molded on the connecting part.

3. A washing machine door seal and front outer cylinder structure as claimed in claim 2, wherein: the front edge of the connecting part is an engaging part protruding towards the inner ring, and the engaging part is in a concave edge shape protruding towards the front edge from the inner ring.

4. A washing machine door seal and front outer cylinder structure as claimed in claim 2, wherein: the inner ring of the front edge of the connecting part is provided with a door seal fixing part which is in a ring strip shape and is wrapped in the door seal.

5. A washing machine door seal and front outer cylinder structure as claimed in claim 4, wherein: the periphery of the door seal fixing part is provided with injection molding through holes along the direction from the front edge to the rear edge, and the door seal part is injected into the injection molding through holes and is connected with other parts of the door seal into an integral structure in an injection molding mode.

6. A washing machine door seal and front outer cylinder structure as claimed in claim 5, wherein: the through-hole of moulding plastics evenly sets up on the door seals fixed part.

7. A washing machine door seal and front outer cylinder structure as claimed in claim 1, wherein: the door seals as integrated into one piece's door seal, the door seals including door seal front lip, door seal inner lip and door seal main part, the door seals the front lip for the sealing lip that extends to the edge direction, the door seals the sealing lip that the inner lip extends for urceolus inner circle forward, the door seals the main part and fixes the sealing ring body structure at urceolus front edge in the front for moulding plastics, door seal front lip, door seal inner lip and door seal main part integrated into one piece.

8. A washing machine door seal and front outer cylinder structure as claimed in claim 1, wherein: preceding urceolus includes installation department, barrel portion and bobbin base, installation department, barrel portion and bobbin base integrated into one piece, the installation department is located barrel portion trailing edge, the bobbin base is located barrel portion leading edge, barrel base inner circle integrated into one piece has connecting portion, the direction that sets up of connecting portion is for extending to leading edge direction, the leading edge of connecting portion is provided with the interlock portion that extends to the inner circle direction, the inner circle integrated into one piece of interlock portion has banded door to seal the fixed part, be provided with the through-hole along leading edge to trailing edge direction on the door seals the fixed part, the door seals as integrated into one piece's door and seals, the door seals through the cladding of moulding plastics in the through-hole on door seals fixed part, door seals the fixed part and interlock portion surface formation body structure.