CN204982450U - Drum washing machine - Google Patents

Abstract

The utility model discloses a drum washing machine, which belongs to the technical field of household appliances, and solves the problems of complex door connection structure and high cost of the existing drum washing machine. The drum washing machine of the utility model includes a machine body, a machine door and a hinged device. One side of the door is connected to the body through the hinge device so that the door can rotate relative to the body to open or close the opening. The hinge device includes a hinge seat, a connecting frame and a rotating shaft. The hinged seat is fixed on the side of the body near the opening, the connecting frame includes a body connecting portion and at least two connecting arms extending from the body connecting portion, the connecting arms are fixedly connected to the machine door, and the body connecting portion It is rotatably connected with the hinge seat through the rotating shaft.

Description

Drum washing machine

【Technical field】

The utility model relates to a drum washing machine and belongs to the technical field of household appliances.

【Background technique】

The drum-type washing machine in the prior art mainly includes a body and a machine door, and the door is connected to the body through a hinge device. At present, there are two commonly used assembly structures: one is that the hinge device adopts a connecting frame with an alloy structure, and adopts a biaxial structure; The other is to use a two-piece upper and lower sheet metal structure connecting frame. The two sheet metal structure connecting frames are connected by a shaft. It is difficult to control the assembly gap when assembling with a biaxial structure, which will easily lead to problems such as drooping of the machine door. Using the upper and lower two-piece sheet metal structure connecting frame, although it can be installed through one shaft, the two sheet metal structure connecting frames are relatively independent, which is inconvenient to assemble and reduces assembly efficiency.

【Content of utility model】

The purpose of the utility model is to propose a drum washing machine, which can realize the convenient assembly of the door at low cost while satisfying the function and safety of the door.

For reaching above-mentioned purpose, the utility model adopts following technical scheme:

A drum washing machine includes a body, a cover and a hinge device, the body has an opening, one side of the cover is connected to the body through the hinge device, so that the cover can rotate relative to the body for To open or close the opening, the hinged device includes a hinged seat, a connecting frame and a rotating shaft, the hinged seat is fixed on the side of the body close to the opening, the connecting frame includes a connecting portion of the body and the At least two connecting arms extending from the connecting part of the body, the connecting arms are fixedly connected to the cover, and the connecting part of the body is rotatably connected to the hinge seat through the rotating shaft.

In the drum washing machine proposed by the utility model, one side of the machine door is connected to the body through the hinged device. The hinged device includes a hinged seat, a connecting frame and a rotating shaft. The connecting frame includes a connecting part of the body and at least two The connecting arm is fixedly connected with the machine door, and the connecting part of the machine body is rotatably connected to the hinge seat through the rotating shaft. At least two connecting arms are designed on a connecting part of the body to form an integrated connecting frame, which avoids the problem of inconvenient assembly of the upper and lower two-piece sheet metal structure connecting frame in the prior art, and effectively improves the assembly efficiency; at the same time, the integrated On the basis of the type connecting frame, a single axis is used for connection, which facilitates the control of the assembly gap and avoids problems such as door sagging caused by the double-axis connection in the prior art.

The first specific embodiment of the present utility model: the hinged seat includes a rotating shaft connecting portion, a first shaft hole is provided on the rotating shaft connecting portion, a second shaft hole is provided on the body connecting portion, and the rotating shaft passes through The first shaft hole and the second shaft hole.

The second specific embodiment of the utility model: the two ends of the connecting part of the rotating shaft are provided with a first installation part, the body is provided with a first positioning step matched with the first installation part, and the first installation part is fixed on the first positioning step. Such assembly ensures that the connecting portion of the rotating shaft is fixed reliably, which can effectively reduce the amount of torsional deformation of the rotating shaft, so that the door of the washing machine can still be opened and closed freely after long-term use.

The third specific embodiment of the present utility model: the first positioning step corresponds to the stepped surface at the end of the rotating shaft to limit the rotating shaft. Directly use one of the first positioning steps to limit the rotation shaft, which can prevent the rotation shaft from moving in a large way, and then prevent the rotation shaft from falling out. Compared with the method of adding retaining ribs and shaft limit pins in the prior art, the structure of this scheme is simple ,low cost.

The fourth specific embodiment of the present utility model: the hinge seat further includes a second installation part extending from the shaft connection part toward the opening, and the body is provided with a The second positioning step. The second mounting part cooperates with the second positioning step on the machine body to increase the strength of the hinge seat.

The fifth specific embodiment of the present utility model: the second installation part is provided with a hook, and the hinged seat is hooked to the body through the hook to realize pre-assembly positioning. It is convenient for further fixing of the hinged seat.

The sixth specific embodiment of the present utility model: the hinge seat further includes a third installation part extending from the second installation part to the direction of the opening, and the body is equipped with a The third positioning step. The third installation part is added to improve the firmness of the hinged seat after installation.

The seventh specific embodiment of the present utility model: an avoidance hole is provided between the third installation part and the second installation part, the connecting arm passes through the avoidance hole and is connected to the machine cover, and the When the connecting arm abuts against the second installation part, the cover is at a maximum door opening angle.

The eighth specific embodiment of the utility model: the hinge device further includes a torsion spring sleeved on the shaft, one end of the torsion spring is connected to the hinge seat, and the other end of the torsion spring is connected to the connection On the frame, the torsion spring provides the active force for the cover to turn in the opening direction. Balance the closing force generated by the self-weight of the door to prevent the door from automatically closing and causing dangers such as pinching hands.

The ninth specific embodiment of the utility model: the end of the connecting arm is provided with a mounting plate, and the cover is hooked to the mounting plate for pre-positioning.

These features and advantages of the present utility model will be disclosed in detail in the following specific embodiments and accompanying drawings.

【Description of drawings】

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is a schematic diagram of the connection between the body cover plate and the door of the drum washing machine in the preferred embodiment of the utility model (the door is opened);

Fig. 2 is a schematic diagram of an exploded structure of a hinged device in a preferred embodiment of the present invention;

Fig. 3 is a schematic diagram of the assembly structure of the hinged device in the preferred embodiment of the present invention;

Fig. 4 is a schematic structural view of the body cover plate in a preferred embodiment of the present invention;

Fig. 5 is a partial enlarged view of A place in Fig. 4;

Fig. 6 is a schematic diagram of the installation of the hinged device and the body cover in the preferred embodiment of the present invention;

Fig. 7 is a partial enlarged view of place B in Fig. 6;

Fig. 8 is a cross-sectional view of the door in the preferred embodiment of the present invention when the door is at the maximum opening angle.

【detailed description】

The technical solutions of the embodiments of the present invention will be explained and described below in conjunction with the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all of them. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present utility model.

Referring to Fig. 1, the drum washing machine proposed by the preferred embodiment of the present utility model includes a body, a machine door 1, a drum, a water tub and a drum support member, the drum is rotatably arranged inside the water tub, and the water tub passes through an elastic suspension system and vibration damping The system is installed inside the shell, and the front side of the body is provided with a body cover 4. The body cover 4 has an opening 41 corresponding to the mouth of the bucket, and one side of the machine door 1 is connected to the body through a hinge so that the door 1 can face The rotation of the machine body is used to open or close the opening 41 , and the user puts clothes into the drum by opening the machine door 1 to achieve the function of washing clothes. Other components and their functions of the drum washing machine are well known to those skilled in the art, and will not be described in detail in this embodiment.

In view of the defects of the hinge device used in the current drum washing machine, the hinge device proposed in this embodiment includes a hinge seat 3, a connecting frame 2 and a rotating shaft 5, the hinge seat 3 is fixed on the side of the body adjacent to the opening 41, and the connecting frame 2 includes a body connecting part 20 and two connecting arms 21 extending from the body connecting part 20, each connecting arm 21 is fixedly connected with the machine door 1, and the body connecting part 20 and the hinged seat 3 are rotatably connected through the rotating shaft 5. It can be understood that the two connecting arms 21 in this embodiment are equivalent to the upper and lower two-piece sheet metal structure connecting frames in the prior art, however, in this embodiment, the two connecting arms 21 are designed on one body connecting portion 20, An integrated connection frame 2 is formed, which avoids the inconvenience of assembly of the upper and lower two-piece sheet metal structure connection frame, and effectively improves assembly efficiency; at the same time, on the basis of the integrated connection frame 2, a single rotating shaft 5 is used for connection , it is convenient to control the assembly gap, and avoids problems such as machine door sagging caused by biaxial connection in the prior art.

Preferably: the above-mentioned connecting arm 21 is curved in an arc shape, and the bending range of the two connecting arms 21 is basically the same, so as to ensure the smooth rotation of the door 1 and facilitate the control of the gap between the connecting arm 21 and the hinge seat 3 . A reinforcing rib 211 is added on each connecting arm 21 to effectively improve the strength of the connecting arm 21 .

During specific implementation: with reference to Fig. 2, 3, hinged seat 3 comprises rotating shaft connecting portion 30, is provided with first shaft hole 303 on rotating shaft connecting portion 30, is provided with second shaft hole 203 on the body connecting portion 20 of connecting frame 2, rotating shaft 5 passes through the first shaft hole 303 and the second shaft hole 203 to rotatably connect the connecting part 20 of the body to the hinge base 3 . Since this embodiment has two connecting arms 21, and adopts single-axis connection, in order to improve the reliability of the connection of the rotating shaft 5, this embodiment is respectively provided with two assembly parts 301 on the rotating shaft connection part 30, and each assembly part 301 Both ends are provided with a first folded edge 302, and a first shaft hole 303 is arranged on the first folded edge 302; two matching parts 201 are respectively arranged on the body connecting part 20, and a second folded edge 202 is arranged at both ends of each matching part 201 , the second shaft hole 203 is provided on the second folded edge 202 , and the distance between the two second folded edges 202 of the matching portion 201 is less than or equal to the distance between the two first folded edges 302 of the fitting portion 301 . During installation, the matching part 201 is embedded in the fitting part 301, the first folded edge 302 and the second folded edge 202 are basically attached, and the first shaft hole 303 corresponds to the second shaft hole 203. Under normal circumstances, except that the connecting frame 2 can rotate freely relative to the hinge seat 3, there will be basically no displacement in the axial direction of the rotating shaft 5, so that the door 1 can be opened and closed stably and freely, and the machine door will not be caused by the up and down movement of the connecting frame 2. The opening and closing of door 1 is not smooth, which reduces the user experience.

The hinged device of this embodiment also includes a torsion spring 6. In order to cooperate with the two connecting arms 21, two torsion springs 6 are provided. The first connection hole 2011, the second connection hole 3011 is set on the assembly part 301, one end of the torsion spring 6 is clipped to the first connection hole 2011 to realize the connection with the connection frame 2, and the other end of the torsion spring 6 is clipped to the second connection hole 3011 To realize the connection with the hinge base 3 , the rotating shaft 5 passes through four first shaft holes 303 , four second shaft holes 203 and two torsion springs 6 at the same time, thereby realizing the rotational connection between the connecting frame 2 and the hinge base 3 . When the door 1 is unlocked, the torsion spring 6 provides the force to rotate the door 1 in the opening direction, balances the closing force generated by the weight of the door 1, and prevents the door 1 from automatically closing and causing dangers such as pinching hands.

The first shaft hole 303 in this embodiment is a flanging hole, that is, the first shaft hole 303 is punched out on the first flanging 302 through a stamping process, and the stamped and deformed material of the first flanging 302 extends outward to form a flanging. This can effectively increase the contact area between the first shaft hole 303 and the rotating shaft 5 , avoid scratching the rotating shaft 5 by the sharp edge formed by the punching, and reduce problems such as sagging of the door 1 caused by the wear of the rotating shaft 5 . In other embodiments, the second shaft hole may also be designed as a flanged hole, or both the first shaft hole and the second shaft hole may be designed as flanged holes.

Referring to Figures 2-7, the two ends of the shaft connecting portion 30 in this embodiment are provided with a first mounting portion 31, the cover plate 4 of the body is provided with a first positioning step 42 that cooperates with the first mounting portion 31, and the hinge seat 3 also includes a The second mounting portion 32 extending from the shaft connecting portion 30 toward the opening 41 and the third mounting 33 extending from the second mounting portion 32 toward the opening 41, the body cover 4 is also provided with the second mounting The second positioning step 43 matched with the mounting part 32 and the third positioning step 44 matched with the third mounting part 33 . Specifically: the first mounting part 31 of the hinged seat 3 in this embodiment is formed by bending the protruding parts at both ends of the rotating shaft connecting part 30 , and the second mounting part 32 and the third mounting part 33 are formed by protruding parts on one side of the rotating shaft connecting part 30 Bending in sequence toward the opening 41, in practical applications, the hinged seat 3 can be formed from a metal plate through sheet metal processing to form the above-mentioned shaft connecting portion 30, first mounting portion 31, second mounting portion 32, and third mounting portion 33, that is to say, the hinge seat 3 is an integrally formed metal sheet metal part. From the perspective of the overall structure, the shaft connection part 30, the first installation part 31, the second installation part 32 and the third installation part 33 on the hinge seat 3 of this embodiment present a stepped structure with varying heights, which can strengthen the hinge seat. 3 The overall strength, the bearing capacity is strengthened, and the deformation is not easy to occur, and the body is provided with a first positioning step 42 matching with the first mounting part 31, a second positioning step 43 matching with the second mounting part 32 and a third positioning part 33 Cooperating third positioning step 44, the cooperation described here refers to: the first mounting part 31 and the first positioning step 42, the second mounting part 32 and the second positioning step 43 and the third mounting part 33 and the third positioning step 44 are all in the form of surface contact to increase the contact area. In the case of being effectively fixed, the external force acting on the hinged seat 3 (for example, the weight of the door 1 carried by the hinged seat 3 during the opening and closing process of the machine door 1) can be Distributing to each mounting portion and positioning steps can reduce stress concentration and make the hinged seat 3 more firm as a whole.

According to the structure of the hinged seat 3 described in this embodiment, those skilled in the art can easily think that: the mounting part can be increased or decreased on the hinged seat to meet the actual process requirements, but the change of this structure, as long as it can meet the requirements of this embodiment For example, the function of the hinged seat should be within the protection scope of the present utility model.

In this embodiment, paired screw mounting holes are provided on the first mounting portion 31 and the first positioning step 42, the second mounting portion 32 and the second positioning step 43, and the third mounting portion 33 and the third positioning step 44. The hinge base 3 is further fixed by screw connection, of course, bolts, rivets or other known mechanical connection methods can also be used.

In order to facilitate the further fixing of the screws, in this embodiment, a hook 321 is provided at the upper end of the second mounting part 32, and a mounting hole 431 is provided at a corresponding position on the cover plate 4 of the body. When assembling, first hang the hook 321 on the second mounting part 32 to the mounting hole 431, to realize the assembly pre-positioning of the hinged seat 3, so that the first mounting portion 31 and the first positioning step 42, the second mounting portion 32 and the second positioning step 43, and the third mounting portion 33 and the third positioning step 44 The screw mounting holes 431 are preliminarily aligned, which is convenient for the operator to screw. The hook 321 is disposed on the second mounting portion 32, and the second mounting portion 32 is located in the middle of the hinge base 3, so the pre-positioning effect is better. Of course, providing a hook on the first mounting part and/or the third mounting part can also better realize the pre-positioning of the hinge seat.

After the hinge seat 3 and the body cover plate 4 are further fixed by screw connection, the installation of the hinge device on the body is basically completed. After installation, the step surface 421 of the first positioning step 42 corresponding to the end of the rotating shaft 5 is used to limit the rotating shaft 5. The limiting here is to allow a certain gap between the rotating shaft 5 and the stepped surface 421 for assembly, but this The gap should at least ensure that the rotating shaft 5 will not move in the large axial direction during use, so as to prevent the rotating shaft 5 from falling out. The rotating shaft 5 is limited, and the structure is simple and the cost is low. In other embodiments, the stepped surface can also cooperate with existing retaining ribs or shaft limiting pins to more reliably limit the rotating shaft.

Referring to Figure 8, after the connection between the hinged seat 3 and the body cover 4 is completed, the door 1 needs to be connected to the connecting frame 2, and two avoidance holes are provided between the above-mentioned third installation part 33 and the second installation part 32 34 , the connecting arm 21 passes through the escape hole 34 and is connected to the machine door 1 . In order to facilitate installation, the end of the connecting arm 21 is provided with a mounting plate 22. Firstly, the door 1 is hooked to the mounting plate 22 for pre-positioning. The mounting method is the same as that of the aforementioned hinged seat 3, which is convenient for the operator to screw. , to further fix the door 1 and the connecting arm 21. Thus, the assembly of the machine door 1 and the machine body is completed. Since the avoidance hole 34 is located between the third mounting portion 33 and the second mounting portion 32, the second mounting portion 32 cooperates with the connecting arm 21 to limit the maximum opening of the machine door 1. The effect of the angle, that is, during the opening process of the machine door 1 , when the connecting arm 21 abuts against the second mounting portion 32 , the machine door 1 is at a maximum opening angle. In addition, as shown in Figure 8, a box belt 7 is usually provided on the outside of the body cover plate 4, and the box belt 7 is usually installed on the body cover plate 4 after the hinge seat 3 is connected with the body cover plate 4. The hinged seat 3 and the body cover 4 are basically covered to ensure the appearance of the product.

According to the structure of the connecting frame described in the embodiment of the present invention, those skilled in the art can easily think that the number of connecting arms on the connecting frame is not limited to two. , the number of connecting arms can be appropriately increased, for example: three connecting arms extending from the connecting part of the body, and all three connecting arms are connected to the machine door. Other similar schemes will not be described in detail.

The embodiment of the utility model is mainly applied to a drum washing machine.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, those skilled in the art should understand that the utility model includes but is not limited to the accompanying drawings and the above specific implementation described in the content. Any modifications that do not deviate from the functional and structural principles of the present utility model shall be included in the scope of the claims.

Claims (10)

1. A drum washing machine, comprising a body, a cover and a hinge device, the body has an opening, one side of the cover is connected to the body through the hinge device, so that the cover can rotate relative to the body It is used to open or close the opening, and it is characterized in that: the hinge device includes a hinge base, a connecting frame and a rotating shaft, the hinge base is fixed on the side of the body adjacent to the opening, and the connecting frame includes The body connecting part and at least two connecting arms extending from the body connecting part, the connecting arms are fixedly connected to the cover, and the body connecting part is rotatably connected to the hinge seat through the rotating shaft . 2. The front-loading washing machine according to claim 1, wherein the hinged seat includes a shaft connection portion, a first shaft hole is provided on the shaft connection portion, and a second shaft hole is provided on the body connection portion , the rotating shaft passes through the first shaft hole and the second shaft hole. 3. The drum washing machine according to claim 2, characterized in that: first installation parts are provided at both ends of the connecting part of the rotating shaft, and a first positioning step matched with the first installation part is provided on the body, so that The first installation part is fixed on the first positioning step. 4. The drum washing machine according to claim 3, wherein the first positioning step corresponds to a stepped surface at the end of the rotating shaft for limiting the rotating shaft. 5. The drum washing machine according to claim 2, characterized in that: the hinged seat further includes a second mounting portion extending from the connecting portion of the rotating shaft toward the opening, and the body is provided with a The second positioning step matched with the second installation part. 6 . The drum washing machine according to claim 5 , wherein a hook is provided on the second installation part, and the hinge seat is hooked to the machine body through the hook to realize pre-installation positioning. 7 . 7. The drum washing machine according to claim 5, wherein the hinge seat further includes a third installation part extending from the second installation part to the direction of the opening, and the body is provided with a The third positioning step matched with the third installation part. 8. The drum washing machine according to claim 7, characterized in that: an avoidance hole is provided between the third installation part and the second installation part, and the connecting arm passes through the avoidance hole and is connected to the washing machine. When the cover is closed and the connecting arm abuts against the second installation part, the cover is at a maximum door opening angle. 9. The drum washing machine according to any one of claims 1 to 8, characterized in that: the hinge device further includes a torsion spring sleeved on the rotating shaft, one end of the torsion spring is connected to the hinge base, so that The other end of the torsion spring is connected to the connecting frame, and the torsion spring provides the active force for the cover to rotate in an opening direction. 10. The drum washing machine according to any one of claims 1 to 8, characterized in that: a mounting plate is provided at the end of the connecting arm, and the cover is hooked to the mounting plate for pre-positioning.