CN213447701U

CN213447701U - Washing machine packing bolt assembly

Info

Publication number: CN213447701U
Application number: CN202021531407.4U
Authority: CN
Inventors: 朱凯
Original assignee: Haier Smart Home Co Ltd; Qingdao Jiaozhou Haier Washing Electric Appliance Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Jiaozhou Haier Washing Electric Appliance Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-06-15
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a washing machine packing bolt assembly, it is used for fixed washing machine box and outer bucket the through-hole has been seted up on the box, packing bolt assembly includes: a packing bolt passing through the through hole and fixed to the outer tub; the supporting piece is sleeved on the outer side of the packing bolt; the cushion pad is sleeved on the outer side of the packaging bolt and is positioned in the through hole; and the wear-resistant piece is sleeved on the buffer pad and is positioned in the through hole. Through setting up the wearing parts, its cover is established just be located on the blotter in the through-hole for wearing parts interval is between the edge of through-hole and blotter, the edge of through-hole is adjacent to be set up, has avoided the edge of through-hole and the direct contact of blotter, is favorable to increasing the wearability, has avoided the edge of through-hole to the damage of blotter, guarantees the validity of packing bolt subassembly, is favorable to the security of washing machine transportation.

Description

Washing machine packing bolt assembly

Technical Field

The utility model belongs to the technical field of washing machine, concretely relates to washing machine packing bolt assembly.

Background

The drum washing machine comprises a box body, a drum arranged in an outer barrel for storing water in the box body and in the outer barrel, and the outer barrel is suspended and supported in the box body of the drum washing machine through a spring hung on the upper part of the box body and a damper arranged on the lower part of the outer barrel for reducing vibration in the washing process.

In order to solve the problem, the outer barrel and the box body need to be fixedly connected by a packaging bolt to ensure the transportation safety in order to avoid the damage of the machine in the transportation process; the casing has through hole for the packing bolt to pass through and to be fixed onto the outer tub, so that the packing bolt can bear the stress and outer impact of the outer tub during moving the drum type washing machine. In order to relieve the impact on the packaging bolt and avoid the deformation of the box body under stress, a buffer cushion is arranged; however, in the transportation process, especially when the washing machine jolts for a long time, the cushion pad is seriously worn, so that the packaging bolt shakes, the effect of fixing the outer cylinder cannot be achieved, and the washing machine is possibly damaged.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to foretell problem among the prior art, provide a washing machine packing bolt assembly, increase the wearability, avoid guaranteeing packing bolt assembly's validity to the damage of blotter, be favorable to the security of washing machine transportation.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a washing machine packing bolt assembly is used for fixing a washing machine box body and an outer barrel, a through hole is formed in the box body, and the packing bolt assembly comprises:

a packing bolt passing through the through hole and fixed to the outer tub;

the supporting piece is sleeved on the outer side of the packing bolt;

the cushion pad is sleeved on the outer side of the packaging bolt and is positioned in the through hole;

and the wear-resistant piece is sleeved on the buffer pad and is positioned in the through hole.

Further, the wear-resistant part is arranged adjacent to the edge of the through hole.

Furthermore, the edge of the through hole is provided with a folded edge which is bent forwards and extends, and the wear-resistant part is provided with a wear-resistant main body which is positioned on the inner side of the folded edge.

Furthermore, the wear-resistant piece is also provided with a flanging which is bent outwards along the front end of the wear-resistant main body.

Further, after the packaging bolt assembly is installed and fixed, the folded edge is located in a notch formed by the abrasion-proof main body and the folded edge in a surrounding mode.

Furthermore, the wear-resistant part is an annular sheet which is provided with a gap in the circumferential direction and can realize diameter change.

Furthermore, a groove for accommodating the wear-resistant part is formed in the outer side of the cushion pad, and the wear-resistant part is located in the groove.

Furthermore, the buffer pad is provided with a buffer cylinder and a buffer cap arranged at the rear part of the buffer cylinder, the groove is arranged on the buffer cylinder and is abutted to the buffer cap, and the buffer cap is positioned at the rear side of the through hole.

Furthermore, the box body is provided with an annular groove which is convex backwards and surrounds the outer side of the through hole.

Furthermore, an installation notch is formed in the outer side of the rear portion of the supporting piece, and the cushion pad is sleeved on the installation notch.

Furthermore, the rear end of the mounting notch is provided with a clamping jaw which radially extends, a clamping groove matched with the clamping jaw is formed in the buffer pad, and the clamping jaw is positioned in the clamping groove.

Further, the packaging structure comprises a gasket sleeved on the packaging screw, and the gasket is located on the rear side of the cushion pad.

Furthermore, a convex column for fixing the packaging bolt is arranged on the outer barrel, and the front end of the supporting piece is adjacent to the convex column in the axial direction.

Furthermore, a matched concave-convex structure is arranged between the front end face of the supporting piece and the rear end face of the convex column.

Compared with the prior art, the utility model discloses an advantage is with positive effect: through setting up the wearing parts, its cover is established just be located on the blotter in the through-hole for wearing parts interval is between the edge of through-hole and blotter, the edge of through-hole is adjacent to be set up, has avoided the edge of through-hole and the direct contact of blotter, is favorable to increasing the wearability, has avoided the edge of through-hole to the damage of blotter, guarantees the validity of packing bolt subassembly, is favorable to the security of washing machine transportation.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a packing bolt assembly of a washing machine according to the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 4 is an enlarged schematic view of the bolt assembly of FIG. 3;

FIG. 5 is an enlarged schematic view of region A in FIG. 3;

FIG. 6 is a schematic structural view of the packing bolt of FIG. 5 when it is not tightened;

FIG. 7 is a schematic view of the housing of FIG. 2;

FIG. 8 is an exploded view of the package bolt assembly of FIG. 2;

FIG. 9 is a schematic view of a packing bolt;

FIG. 10 is a schematic view of the structure of the support member;

FIG. 11 is a schematic view of the structure of the cushion pad;

FIG. 12 is a schematic view of a wear part;

fig. 13 is a schematic view of the structure of fig. 12 at another angle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", etc. are positional relationships of the washing machine with respect to the user during normal use, and the directions close to the bolt axes are "inner" and "outer" on the contrary. The terminology is for the purpose of describing the invention only and is not intended to be limiting of the invention since it is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-13, which are an embodiment of a packing bolt assembly for a washing machine according to the present invention, a packing bolt assembly 30 for a washing machine is used to fix a casing 10 and an outer tub 20 of a washing machine, a through hole 11 is formed on the casing 10, and the packing bolt assembly 30 includes: the packing bolt 31, the supporting piece 32, the buffer cushion 33, the wear-resistant piece 34 and the gasket 35, the packing bolt 31 passes through the through hole 11 and is fixed on the outer barrel 20, so that the outer barrel 20 and the box body 10 are fixed; the supporting piece 32 is sleeved on the outer side of the packaging bolt 31 and plays a supporting role; the buffer cushion 33 is sleeved outside the packing bolt 31, the buffer cushion 33 is positioned in the through hole 11, the buffer cushion 33 is made of elastic material, preferably rubber and the like, and is used for buffering the impact between the box body 10 and the packing bolt 31, avoiding the deformation of the through hole of the box body 10 and avoiding the shaking of the packing bolt assembly 30 in the through hole 11, so that the packing bolt assembly 30, the box body 10 and the outer barrel 20 are firmly fixed; the wear-resistant part 34 is sleeved on the cushion pad 33, and the wear-resistant part 34 is positioned in the through hole 11.

Through setting up wear-resisting piece 34, its cover is established on blotter 33 and is located through-hole 11, and wear-resisting piece 34 interval is between the edge of through-hole 11 and blotter 33 promptly, and the edge of through-hole 11 is adjacent to be set up, has avoided the edge of through-hole 11 and blotter 33's direct contact, is favorable to increasing the wearability, has avoided the edge of through-hole 33 to the damage of blotter 33, guarantees the validity of packing bolt subassembly 30, is favorable to the security of washing machine transportation.

The packing bolt 33 is fixedly installed to the outer tub 20 from the rear to the front, and after the packing bolt is fastened to the outer tub 20, the packing bolt 31 gives a pressing force to the cushion pad 33 in the forward direction, so that the cushion pad 33 is deformed in the forward and backward direction by the pressing, and the radial dimension is increased; preferably, the cushion pad 33 is disposed to fit over the support 32, so as to facilitate the cushion pad 33 to deform radially outward, so that the packing bolt assembly 30 applies a radial pressing force to the through hole 11, and the packing bolt assembly 30 is firmly fixed to the through hole 11.

Referring to fig. 4 and 5, the edge of the through hole 11 is provided with a folded edge 111 which is folded and extended forward, and by arranging the folded edge 111, the contact area between the edge of the through hole 11 and the packaging bolt assembly 30 is increased, the stress performance is increased, and the deformation of the edge of the through hole 11 is avoided; and the flange 111 is provided so that the axial distance is increased, which is advantageous for reducing the cutting force of the edge of the through-hole 11.

The wear-resistant piece 34 is provided with a wear-resistant main body 341 positioned at the inner side of the folded edge 111, so that the wear-resistant main body 341 is in contact with the folded edge 111, and the wear-resistant piece 34 is also provided with a folded edge 342 which is bent outwards along the front end of the wear-resistant main body 341; when the packing bolt assembly 30 is installed and fixed, the folded edge 111 is located in a notch 343 defined by the wear-proof main body 341 and the folded edge 342; so that the flange 111 is caught in the notch 343 to increase the fixing stability between the edge of the through-hole 11 and the packing bolt assembly 30.

When the packing bolt assembly 30 is installed, the cushion pad 33 is sleeved on the support member 32, the wear-resistant member 34 is sleeved on the cushion pad 33, and then the packing bolt extends into the support member 32; then, the packing bolt assembly 30 is inserted through the through hole 11, and the packing bolt 31 is fixed to the outer tub 20; when the packing bolt 31 is not fastened, the outer diameter of the wear-resistant part 34 is smaller than the diameter of the through hole, so that the installation and the removal of the packing bolt assembly 30 are facilitated, namely, the folded edge 111 is positioned at the outer side of the wear-resistant part 34, as shown in fig. 6; when the packing bolt assembly 30 is installed and fixed, the folded edge 111 is located in a notch 343 defined by the wear-proof main body 341 and the folded edge 342, and the cushion 33 is axially compressed, or compressed in the front-back direction, so that the cushion 33 is deformed, the radial dimension of the cushion 33 is increased, and the radial dimension of the cushion 33 is increased, so that the cushion 33 is outwardly deformed; in order to realize radial variation of the wear-resistant part 34, when the cushion pad 33 deforms radially outwards, the wear-resistant part 34 can be extruded to follow the deformation, so that the folded edge 111 is clamped in the notch 343; the wear-resistant part is of a variable-diameter structure, preferably, the wear-resistant part 34 is an annular sheet with a notch 343 in the circumferential direction, so that the outer diameter of the wear-resistant part 34 is smaller than that of the through hole 11 when the wear-resistant part is installed, the installation operation is convenient, and the installation efficiency is improved; after the tightening of the packing bolt 31 is ensured, the wear-resistant piece 34 is deformed under the compression of the cushion pad 33, so that the outer diameter of the wear-resistant piece 34 is increased, the folded edge 111 is clamped in the notch 343, and the wear-resistant body 341 is in contact with the folded edge 111, as shown in fig. 5.

The outer side of the cushion pad 33 is provided with a groove 333 for accommodating the wear-resistant part 34, the wear-resistant part 34 is located in the groove 333, and the groove 333 is formed, so that the wear-resistant part 34 is firmly arranged on the cushion pad 33, the axial positioning of the wear-resistant part 34 is facilitated, and the wear-resistant part 34 is located on the inner side of the folded edge 111 after being installed.

The cushion pad 33 has a cushion cylinder 331 and a cushion cap 332 provided at the rear of the cushion cylinder 331, a groove 333 is provided in the cushion cylinder 331, the groove 333 is annular, and the groove 333 is adjacent to the cushion cap 332; the buffer cap 332 is located at the rear side of the through-hole 11. The box body 10 is provided with an annular groove 12 protruding forwards, the annular groove 12 is arranged around the outer side of the through hole 11, and the structural strength of the through hole 11 is increased by arranging the annular groove 12.

The mounting notch 321 has been seted up to the rear portion outside of support piece 32, and the blotter 33 cover is established in the mounting notch 321, through setting up mounting notch 321, is favorable to realizing the axial location to the buffer cap 332 to be favorable to improving the fixity between support piece 32 and the blotter 33. The rear end of the mounting notch 321 is provided with a clamping jaw 322 which extends radially, the buffer pad 33 is provided with a clamping groove 334 matched with the clamping jaw 332, and the clamping jaw 332 is positioned in the clamping groove 334; by providing the pawl 322 and catch 334, the engagement between the support member 32 and the cushion pad 33 is achieved.

The packing bolt 31 has a nut 311 and a screw 312, the support 32, the cushion 33, the wear-resistant part 34 and the washer 35 are all hollow structures, the support 32 and the washer 35 are sleeved on the screw 312 of the packing bolt 31, the cushion 33 is assembled on the support 32, the wear-resistant part 34 is assembled on the cushion 33, and the washer 35 is located between the cushion 33 and the nut 311. After the packing bolt assembly 30 is fixed, the folded edge 111 is clipped on the wear-resistant piece 34, that is, the cushion 33 at the rear end of the support 32, the wear-resistant piece 34 and the box 10 are fixed.

A boss 21 for fixing a packing bolt is provided on the outer tub 20, and a front end of the supporter 32 is abutted against a rear end of the boss 21, so that the supporter 32 plays a role of being supported between the cabinet 10 and the outer tub 20. Be equipped with the concave-convex structure of matcing between the preceding terminal surface of support piece 32 and the rear end face of projection 21 for increase the frictional force between the preceding terminal surface of support piece 32 and the rear end face of projection 21, play the supporting role when dashing the impact in the washing machine transportation, avoid packing bolt 31 directly to receive shear stress, and then lead to packing bolt fracture, and then damage the machine.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. The utility model provides a washing machine packing bolt assembly which is used for fixed washing machine box and outer bucket seted up the through-hole on the box, its characterized in that, packing bolt assembly includes:

a packing bolt passing through the through hole and fixed to the outer tub;

the supporting piece is sleeved on the outer side of the packing bolt;

2. A washing machine packing bolt assembly according to claim 1, characterised in that the edge of the through hole is provided with a flange extending forward, the wear part having a wear body located inside the flange.

3. A washing machine packing bolt assembly according to claim 2, characterised in that the wear part also has a flange which is bent outwardly along the front end of the wear body.

4. A washing machine packing bolt assembly according to claim 3, wherein the flange is located in a slot defined by the wear body and the flange when the packing bolt assembly is installed and secured.

5. A washing machine packing bolt assembly according to claim 1, characterized in that the wear resistant member is a ring-shaped sheet with notches formed in the circumferential direction and capable of realizing diameter change.

6. A washing machine packing bolt assembly according to any one of claims 1 to 5, wherein a recess is provided on the outside of the cushion pad for receiving the wear part, the wear part being located within the recess.

7. A packing bolt assembly for a washing machine as claimed in claim 6, wherein the cushion pad has a cushion cylinder and a cushion cap provided at a rear portion of the cushion cylinder, the recess is provided on the cushion cylinder, the recess abuts the cushion cap, and the cushion cap is provided at a rear side of the through hole.

8. A washing machine packing bolt assembly according to any one of claims 1 to 5, wherein the support member is provided with a mounting slot on the outside of the rear portion thereof, and the cushion pad is fitted over the mounting slot.

9. A washing machine packing bolt assembly according to claim 8, characterized in that a radially extending jaw is provided at the rear end of the mounting slot, a slot matching with the jaw is provided on the cushion pad, and the jaw is located in the slot.

10. A washing machine packing bolt assembly according to any one of claims 1 to 5, wherein a boss for fixing a packing bolt is provided on the outer tub, and a front end of the supporter is in axial abutment with the boss; and a matched concave-convex structure is arranged between the front end surface of the supporting piece and the rear end surface of the convex column.