EP4242404A1 - Scharnier und elektrische vorrichtung - Google Patents

Scharnier und elektrische vorrichtung Download PDF

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Publication number
EP4242404A1
EP4242404A1 EP22187942.2A EP22187942A EP4242404A1 EP 4242404 A1 EP4242404 A1 EP 4242404A1 EP 22187942 A EP22187942 A EP 22187942A EP 4242404 A1 EP4242404 A1 EP 4242404A1
Authority
EP
European Patent Office
Prior art keywords
arm
hinge
door body
guide
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22187942.2A
Other languages
English (en)
French (fr)
Inventor
Jianxun ZHAO
Junjie Zhang
Wenbin Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Original Assignee
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202220523534.2U external-priority patent/CN217439777U/zh
Priority claimed from CN202210236070.1A external-priority patent/CN116771221A/zh
Application filed by Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd filed Critical Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Publication of EP4242404A1 publication Critical patent/EP4242404A1/de
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/18—Hinges with pins with two or more pins with sliding pins or guides
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/06—Bent flaps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/302—Application of doors, windows, wings or fittings thereof for domestic appliances for built-in appliances

Definitions

  • the present disclosure relates to the field of electrical appliances, in particular to a hinge suitable for a front panel of an electrical appliance and an electrical device including the hinge.
  • decorative hanging boards are usually installed on the revolving doors, so that the overall style of the electrical appliance is more compatible with the surrounding environment.
  • the built-in dishwasher is usually embedded in the cabinet, and a decorative hanging board covering the front of the dishwasher is installed on the outside of the revolving door.
  • the main purpose of the present disclosure is to provide a hinge and an electrical device including the hinge, so that the outer side panel of the door body can move up relative to the door body during the opening process of the revolving door.
  • the present disclosure provides a hinge connected to a door body and a main body to make the door body rotatable relative to the main body, a movable panel is stacked on one side of the door body, and the panel moves relative to the door body in response to the door body being rotated, the hinge includes:
  • the drive arm moves along with rotation of the hinge arm, and the first guide mechanism restricts the drive arm from rotating along with the rotation of the hinge arm.
  • rotational connection between the drive arm and the hinge arm is spaced from the rotating shaft, and the drive arm revolves around the rotating shaft along with the rotation of the hinge arm in response to the door body being rotated.
  • the drive arm has a first drive end, a second drive end and a middle section between the first drive end and the second drive end, the first guide mechanism is provided between the first drive end and the mounting member, the second guide mechanism is provided between the second drive end and the moving member, and the middle section is rotatably connected to the hinge arm.
  • the first guide mechanism includes a first guide pin and a first guide groove, one of the drive arm and the mounting member is provided with the first guide pin, the other one of the drive arm and the mounting member is provided with the first guide groove, the first guide pin is inserted into the first guide groove, and the first guide pin moves along an extension direction of the first guide groove in response to the door body being rotated.
  • the first guide groove extends from the main body toward the door body.
  • the second guide mechanism makes the moving member and the drive arm rotate relative to each other in response to the door body being rotated, to guide the moving member to move along with movement of the drive arm.
  • the second guide mechanism includes a second guide pin and a second guide groove, one of the drive arm and the mounting member is provided with the second guide pin, the other one of the drive arm and the mounting member is provided with the second guide groove, the second guide pin is inserted into the second guide groove, and the second guide pin moves along an extension direction of the second guide groove in response to the door body being rotated.
  • the second guide groove extends along a stacking direction between the panel and the door body.
  • the moving member is slidably connected to the hinge arm, to make the panel move relative to the door body.
  • the hinge arm includes a first arm connected to the door body, the first arm is provided with a sliding groove, and the moving member is slidably provided in the sliding groove.
  • the moving member includes a sliding portion and a guide portion connected to the sliding portion, the sliding portion is slidably installed in the sliding groove, the sliding portion is connected to the panel, and the guide portion protrudes outward from a notch of the sliding groove, and is connected to the drive arm through the second guide mechanism.
  • the first arm is provided with an escape groove on a side facing the panel, and the moving member is connected to the panel at the escape groove.
  • the hinge arm includes a first arm and a second arm, the first arm is connected to the door body, and the second arm is elastically connected to the main body.
  • an included angle is formed between the first arm and the second arm, a connection portion is formed at an intersection of the first arm and the second arm, and the connection portion is connected to the rotating shaft.
  • the rotating shaft connects the mounting member and the hinge arm; and/or the mounting member is provided on the main body.
  • an electrical device including a hinge, the hinge including:
  • the electrical device further includes:
  • the electrical device is a dishwasher.
  • the dishwasher further includes a basket provided in the inner cavity.
  • the hinge connects the door body and the main body.
  • a panel is provided on one side of the door body.
  • the hinge arm and the drive arm are driven to rotate, the arrangement of the first guide mechanism and the second guide mechanism can convert the rotation of the drive arm into the movement of the moving member, and the moving member is linked with the panel, so that the panel can move upward with the opening of the door.
  • the hinge provided by the present disclosure has the characteristics of simple and reliable transmission, easy manufacture and low production cost.
  • the directional indication is only used to explain the relative positional relationship, movement, etc. of the components in a certain posture (as shown in the drawings). If the specific posture changes, the directional indication will change accordingly.
  • the descriptions associated with, e.g., "first” and “second,” in the present disclosure are merely for descriptive purposes, and cannot be understood as indicating or suggesting relative importance or impliedly indicating the number of the indicated technical feature. Therefore, the feature associated with “first” or “second” can expressly or impliedly include at least one such feature.
  • the meaning of "and/or” appearing in the disclosure includes three parallel scenarios. For example, “A and/or B” includes only A, or only B, or both A and B.
  • the technical solutions between the various embodiments can be combined with each other, but they must be based on the realization of those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist, nor is it within the scope of the present disclosure.
  • decorative hanging boards are usually installed on the revolving doors, so that the overall style of the electrical appliance is more compatible with the surrounding environment.
  • this may cause the decorative hanging board to interfere with the ground or other structures below when the revolving door is opened.
  • the decorative hanging board may slide relative to the revolving door, so that during the opening process of the revolving door, the decorative hanging plate slides upward to avoid the lower end of the decorative hanging board from colliding with the ground or other structures.
  • this usually needs to be equipped with a complex transmission structure such as multi-stage gears, which is difficult to process, high in production cost, easily stuck by foreign objects, and has low reliability.
  • the present disclosure provides a hinge 100, during the rotation and opening process of the door body 300 (equivalent to a revolving door), the hinge 100 can realize that the outer panel 400 (equivalent to the decorative hanging board) moves upward (upward, that is, toward the top of the door body 300), for example, slides upward, or translates upward, and during the rotation and closing process of the door body 300, the panel 400 is reset accordingly.
  • the hinge 100 can be applied to furniture, and can also be applied to the built-in electrical device, such as built-in dishwashers 1, built-in ovens, and the like.
  • the present disclosure also provides an electrical device including the hinge 100.
  • the electrical device is a dishwasher 1
  • the dishwasher 1 has an inner cavity for loading tableware, a basket is provided in the inner cavity, and the tableware is loaded in the basket.
  • a dishwasher 1 is taken as an example to describe the structure of the electrical device and the hinge 100 in detail.
  • the built-in dishwasher 1 is usually embedded in the cabinet, and a decorative hanging board covering the front of the dishwasher 1 is installed on the outside of the revolving door.
  • the material or design style of the decorative hanging board is usually the same as the door panel of the cabinet, so that the dishwasher 1 and the cabinet form a beautiful whole in appearance and play a decorative role.
  • the size of the decorative hanging board can be designed according to the shape of the adjacent cabinets to meet the needs of users.
  • the length of the decorative hanging board needs to be designed to be longer to cover the dishwasher 1 more completely, such that the outer side of the dishwasher 1 and the adjacent cabinet door panel are more unified and beautiful, but this may cause the lower end of the decorative hanging board to interfere with the cabinet body or the ground when the revolving door of the dishwasher 1 is opened, causing inconvenience to the user.
  • the horizontal direction refers to a direction substantially parallel to the horizontal plane
  • the up-down direction refers to a direction substantially parallel to the direction of gravity, or a direction that forms a certain angle with the direction of gravity and is not perpendicular to each other.
  • the electrical device of the present disclosure includes a hinge 100.
  • the hinge 100 includes a rotating shaft 110, a hinge arm 120, a drive arm 130, a mounting member 140 and a moving member 160.
  • the hinge arm 120 is provided on the rotating shaft 110 and is rotational relative to the main body 200.
  • the hinge arm 120 is configured to connect the door body 300 and the main body 200.
  • the drive arm 130 is rotatably connected to the hinge arm 120.
  • a first guide mechanism 150 is provided between the mounting member 140 and the drive arm 130.
  • the moving member 160 is connected to the panel 400 and is movable relative to the door body 300, and a second guide mechanism 170 is provided between the moving member 160 and the drive arm 130.
  • the first guide mechanism 150 and the second guide mechanism 170 guide the drive arm 130 to drive the panel 400 to move relative to the door body 300 when the door body 300 is rotated.
  • the hinge 100 connects the door body 300 and the main body 200.
  • a panel 400 is provided on one side of the door body 300.
  • the hinge arm 120 and the drive arm 130 are driven to rotate, the arrangement of the first guide mechanism 150 and the second guide mechanism 170 can convert the rotation of the hinge arm 120 into the movement of the moving member 160, and the moving member 160 is linked with the panel 400, so that the panel 400 can move upward with the opening of the door body 300.
  • the hinge 100 provided by the present disclosure has the characteristics of simple and reliable transmission, easy manufacture and low production cost.
  • the electrical device further includes: a main body 200 having an inner cavity; a door body 300 rotatably connected to the main body 200 through the hinge 100 to open or close the inner cavity; and a panel 400 movably provided on one side of the door body 300.
  • the first guide mechanism 150 matches with the second guide mechanism 170, such that when the door body 300 is rotated to open the inner cavity, the drive arm 130 moves along with the rotation of the hinge arm 120, the first drive end 131 of the drive arm 130 moves along the first guide groove 152 of the first guide mechanism 150 and approaches the door body 300, the second drive end 132 of the drive arm 130 moves along the second guide groove 172 of the second guide mechanism 170 and drives the moving member 160 to move in the direction away from the hinge 100, such that the panel 400 moves relative to the door body 300 in a direction away from the hinge 100.
  • the main body 200 may be a housing structure of an electrical device, or may be a body of the electrical device, for example, the body of the built-in dishwasher 1.
  • the main body 200 is formed with an inner cavity, the inner cavity has an opening, and the opening can be formed in any part of the main body 200, for example, formed on the top or any side of the main body 200.
  • the opening is formed on the side of the main body 200 and the opening is disposed forward as an example for description.
  • the door body 300 is connected to the main body 200 and is movably provided relative to the opening, to open and cover the opening during its moving stroke.
  • the door body 300 can move relative to the main body 200 in various ways, such as translation and/or flip.
  • the door body 300 has an installation end and a moving end which are oppositely arranged along the board surface thereof, the installation end is rotatably mounted on one side of the opening, and the rotation axis of the installation end extends along the length direction of the side of the opening, such that the moving end can be rotated toward the opening to cover the opening, and can be rotated away from the opening to open the opening.
  • the bottom end of the door body 300 constitutes the installation end.
  • the top end of the door body 300 constitutes the moving end
  • the bottom end of the door body 300 constitutes the installation end
  • the hinge 100 is disposed at the lower end of the installation end.
  • the turning direction of the door body 300 is also the front-rear direction.
  • the door body 300 may be turned forward to open the opening, and turned backward to cover the opening.
  • the panel 400 is movably provided on one side of the door body 300. Since both the panel 400 and the door body 300 are generally arranged in a plate shape, the two are equivalent to being stacked along the thickness direction, that is, the front panel surface of the door body 300 and the rear panel surface of the panel 400 are at least partially stacked, and the door body 300 and the panel 400 have movable strokes that are substantially translated along the laminated board surface.
  • the door body 300 can be set to translate relative to the panel 400.
  • the panel 400 is translated relative to the door body 300 as an example for description, and the panel 400 is translated along the front panel surface of the door body 300.
  • the moving direction of the panel 400 relative to the door body 300 is defined as the first direction below.
  • the panel 400 moves in a direction away from the installation end along the front panel of the door body 300.
  • the panel 400 moves along the front panel surface of the door body 300 toward the direction close to the installation end.
  • the panel 400 may be a decorative hanging board, or may be other plate-like structures that can move relative to the door body 300.
  • the panel 400 since the panel 400 moves from the installation end to the moving end as the door body 300 rotates and opens, it is possible to avoid interference and collision between one end of the panel 400 close to the installation end and surrounding structures, such as cabinets, floors, and the like.
  • the first guide mechanism 150 and the second guide mechanism 170 guide the drive arm 130 to drive the panel 400 to move relative to the door body 300 when the door body 300 is rotated.
  • the movement stroke of the door body 300 rotation includes the open of the door body 300 and the closing of the door body 300.
  • the drive arm 130 rotates relative to the panel 400, that is, as long as either the drive arm 130 and the panel 400 can rotate relative to the other, it can be regarded as a rotational connection.
  • the door body 300 is opened, because the hinge arm 120 is directly or indirectly connected to the door body 300, the door body 300 can drive the hinge arm 120 to move.
  • a first guide mechanism 150 is provided between the mounting member 140 and the drive arm 130, and a second guide mechanism 170 is provided between the drive arm 130 and the moving member 160, such that the first guide mechanism 150 and the second guide mechanism 170 act together on the drive arm 130, thereby urging the drive arm 130 to rotate relative to the panel 400 and drive the panel 400 to move relative to the door body 300.
  • the drive arm 130 moves along with the rotation of the hinge arm 120, and the first guide mechanism 150 restricts the drive arm 130 from rotating along with the rotation of the hinge arm 120.
  • the hinge arm 120 is rotatably connected to the drive arm 130 (e.g., rotatably connected through a pin).
  • the hinge arm 120 rotates, it can drive the drive arm 130 to approach the door body 300, so it is considered that the drive arm 130 moves with it, this movement can also be regarded as following rotation to a certain extent, and restricting the rotation of the drive arm 130 along with the rotation of the hinge arm 120 can be understood as the inconsistency of the movement range of the drive arm 130 and the hinge arm 120.
  • the drive arm 130 and the hinge arm 120 can rotate relative to each other. It may be that the drive arm 130 does not rotate while the hinge arm 120 rotates, or the rotation range of the drive arm 130 is smaller than the rotation range of the hinge arm 120. It is also possible that the rotation direction of the drive arm 130 is different from the rotation direction of the hinge arm 120 (the drive arm 130 rotates in an opposite direction relative to the hinge arm 120), or the drive arm 130 is restricted to reciprocate in a straight line while the hinge arm 120 rotates.
  • the second guide mechanism 170 makes the moving member 160 and the drive arm 130 rotate relative to each other, to drive the moving member 160 to move along with the movement of the drive arm 130. That is to say, the second guide mechanism 170 acts as a reversing mechanism, which can convert the rotational movement of the hinge arm 120 into the movement of the moving member 160 through the drive arm 130.
  • the function of the second guide mechanism 170 can be embodied not only in the switching between the two motion forms of rotation and translation, but also in the switching of the direction of movement, the limitation of the amount of movement, etc., such that when the door body 300 is opened, the entire rotation stroke of the drive arm 130 just drives the panel 400 to move to the set position relative to the door body 300. When the door body 300 is closed, the entire rotation stroke of the drive arm 130 just drives the panel 400 to move to the reset position relative to the door body 300.
  • the technical solution provided in this embodiment can be achieved only through the restraint between the hinge arm 120, the drive arm 130, the mounting member 140 and the moving member 160 in the hinge 100.
  • the linkage between the rotation of the door body 300 and the movement of the panel 400 can be realized, the structure of the hinge 100 is simple and reliable, and the structure of the hinge 100 is easy to manufacture, the production cost is low, the transmission is simple, the jamming phenomenon is not easy to occur, and the reliability is high.
  • the hinge 100 connects the door body 300 and the main body 200, and is disposed closer to the installation end than the moving end.
  • the hinge 100 connects the panel 400.
  • the hinge 100 can convert the rotation of the door body 300 relative to the main body 200 into driving the panel 400 to translate relative to the door body 300, such that the door opening and closing actions of the door body 300 form a linkage with the translational relocation and reset actions of the panel 400, and no additional driving device is required, which is helpful for simplifying the structure and reducing energy consumption.
  • the rotating shaft 110 may be provided on the rotation axis of the installation end of the door body 300. Based on this, according to actual needs, the installation end can be further arranged to be rotated and mounted on the main body 200 through the rotating shaft 110.
  • the hinge arm 120 is rotatably mounted on the main body 200 through the rotating shaft 110.
  • the rotating shaft 110 may be spaced apart from the rotation axis of the installation end.
  • the position of the rotating shaft 110 may not be limited, as long as the hinge arm 120 can be rotated relative to the main body 100.
  • the rotating shaft 110 is fixed on the mounting member 140, the mounting member 140 is disposed on the main body 100, and the hinge arm 120 is rotatably disposed on the rotating shaft 110.
  • the rotating shaft 110 connects the mounting member 140 and the hinge arm 120 (the rotating shaft 110 is fixed on the mounting member 140, and the hinge arm 120 is rotatably connected to the rotating shaft 110, or the rotating shaft 110 is fixed on the hinge arm 120, and the rotating shaft 110 is rotatably connected to the mounting member 140).
  • the hinge arm 120 includes a first arm 121, a second arm 122, and a connection portion 125 connecting the first arm 121 and the second arm 122.
  • the first arm 121 is connected to the door body 300
  • the second arm 122 is connected to the main body 200
  • the connection portion 125 is connected to the rotating shaft 110.
  • the first arm 121, the connection portion 125 and the second arm 122 can be arranged to extend in line, so that the hinge arm 120 is generally in the shape of a straight arm.
  • the hinge arm 120 is disposed near the installation end, when the door body 300 moves to form a corner with the main body 200, the hinge arm 120 is provided at the corner.
  • the first arm 121 and the second arm 122 may be further arranged at an angle, and a connection portion 125 is formed at the intersection of the first arm 121 and the second arm 122, such that the hinge arm 120 is generally arranged in a curved shape, which can better adapt to the installation environment of the above-mentioned corner, and achieve better force transmission.
  • the first arm 121 may be fixedly connected to the door body 300.
  • the connection mode of the two is not limited, and may be one or more of screw fixing, snap fixing, adhesive fixing and adsorption fixing.
  • threaded holes are provided at the corresponding positions of the first arm 121 and the door body 300, the first arm 121 and the threaded hole on the door body 300 are sequentially connected by a screw member, to realize the connection and fixation between the first arm 121 and the door body 300.
  • the second arm 122 can be elastically connected to the main body 200.
  • the second arm 122 can be connected to the main body 200 by elastic structures such as a pull cord and/or a tension spring.
  • the second arm 122 may be provided with a hook portion, the second arm 122 is detachably connected to the elastic structure such as the pull cord and/or the tension spring through the hook portion, which is more convenient for disassembly and fixation.
  • connection portion 125 is provided with a shaft hole, the shaft hole may be provided with a notch on one side, and the rotating shaft 110 is rotatably matched with the shaft hole.
  • the connection portion 125 may further be provided with a reinforcing rib protruding from the periphery of the shaft hole, and the reinforcing rib can increase the connection and matching strength of the shaft hole.
  • the drive arm 130 is rotatably connected to the hinge arm 120.
  • the drive arm 130 has a first drive end 131, a second drive end 132 and a middle section 133 located between the first drive end 131 and the second drive end 132.
  • the first drive end 131 and the second drive end 132 may be arranged opposite to each other, or may be arranged at intervals of any angle.
  • the first drive end 131 is closer to the main body 200, and the first guide mechanism 150 is disposed between the first drive end 131 and the mounting member 140.
  • the second drive end 132 is closer to the door body 300, the second guide mechanism 170 is disposed between the second drive end 132 and the moving member 160, and the middle section 133 is rotatably connected to the hinge arm 120.
  • the movable stroke of the first drive end 131 is restricted by the first guide mechanism 150.
  • the first guide mechanism 150 constrains the drive arm 130, so that the rotation trajectory and the rotation stroke amount of the drive arm 130 can be defined.
  • the drive arm 130 rotates relative to the hinge arm 120 to a preset stroke, which drives the second drive end 132 to change its position.
  • the position change of the second drive end 132 may be a linear trajectory or an arc-shaped trajectory.
  • the setting of the second guide mechanism 170 is to restrict the linear translation of the moving member 160 along the first direction, to achieve the purpose of linking the panel 400 to translate along the first direction through the opening and closing movement of the door body 300.
  • the drive arm 130 rotates along with the rotation of the hinge arm 120. That is, the hinge arm 120 is rotationally connected to the drive arm 130, and through the rotational connection between the two, the purpose of linking the drive arm 130 to rotate with the hinge arm 120 is achieved.
  • the drive arm 130 is rotatably mounted on the hinge arm 120 through a rotation connection shaft.
  • the rotation connection shaft may be coaxially disposed with the rotating shaft 110, which is equivalent to making the drive arm 130 rotate around the rotating shaft 110 along with the rotation of the hinge arm 120.
  • the rotational connection of the drive arm 130 is spaced from the rotating shaft 110, so that when the door body 300 rotates, the drive arm 130 revolves around the rotating shaft 110 along with the rotation of the hinge arm 120. In this way, the drive arm 130 can follow the hinge arm 120 to move toward the door body 300, the drive arm 130 is approached in the first direction as a whole, which is more helpful for driving the moving member 160 to translate in the first direction.
  • the second drive end 132 of the drive arm 130 approaches the door body 300. Since the second drive end 132 is connected to the moving member 160 and the second guide mechanism 170 is connected therebetween, when it is ensured that at least the second drive end 132 on the drive arm 130 is close to the door body 300, that is, the second drive end 132 can realize the movement of the moving member 160 in the first direction through the second guide mechanism 170.
  • the specific structures of the first guide mechanism 150 and the second guide mechanism 170 are not limited in this embodiment, for example, which can be a sliding pin and a sliding groove that cooperate with each other, as long as the constraint on the drive arm 130 can be realized and the drive arm 130 can be driven to move.
  • the movement trajectory of the first drive end 131 gradually approaches the door body 300.
  • the drive arm 130 can drive the second drive end 132 to drive the panel 400 to move relative to the door body 300 along the first direction and away from the installation end.
  • the moving end rotates close to the main body 200.
  • the drive arm 130 can drive the second drive end 132 to drive the panel 400 to move relative to the door body 300 along the first direction and the direction close to the installation end, the movement trajectory of the first drive end 131 gradually moves away from the direction of the door body 300.
  • the first guide mechanism 150 may be provided between the drive arm 130 and the main body 200, for example, the sliding pin or sliding groove is directly formed on the main body 200, and the sliding groove or sliding pin is correspondingly provided on the drive arm 130.
  • the hinge 100 has fewer components and occupies a smaller space, which is beneficial to maximizing the size of the electrical device.
  • the first guide mechanism 150 is provided with a sliding pin or a sliding groove 123 through a mounting member 140 provided separately from the main body 200.
  • the mounting member 140 may be connected to the main body 200 by means of bolts, welding or the like.
  • the mounting member 140 provided separately is used to cooperate with the drive arm 130, the first guide mechanism 150 is provided between the mounting member 140 and the drive arm 130, so that the hinge 100 is easier to manufacture and has a lower production cost.
  • the structure of the existing electrical device can be used, and there is no need to re-open the mold, which reduces the cost of research and development, and is also beneficial to the application of different materials for the hinge 100 and the main body 200.
  • the mounting member 140 may be fixedly connected to the main body 200 through structural connections such as bolts.
  • the first guide mechanism 150 includes a first guide pin 151 and a first guide groove 152 respectively disposed on the drive arm 130 and the mounting member 140.
  • the first guide pin 151 may be provided on the first drive end 131 of the drive arm 130
  • the first guide groove 152 may be provided on the mounting member 140.
  • the first guide pin 151 may be provided on the mounting member 140
  • the first guide groove 152 may be provided on the first drive end 131 of the drive arm 130.
  • the first guide pin 151 matches with the first guide groove 152 (inserted into each other), such that when the door body 300 is opened, the movement trajectory of the second drive end 132 gradually approaches the direction of the door body 300. On the contrary, during the closing stroke of the door body 300, the movement trajectory of the second drive end 132 gradually moves away from the door body 300.
  • the linkage between the opening or closing of the door body 300 and the movement of the panel 400 along the door body 300 can be realized through the arrangement of the first guide pins 151 and the first guide grooves 152.
  • the structure is simple and reliable. Compared with complex transmission structures such as multi-stage gears, it is not easy to be stuck, easy to manufacture, and low in production cost.
  • the first guide pin 151 is disposed on the first drive end 131
  • the first guide groove 152 is disposed on the mounting member 140
  • the first guide groove 152 is bent from the main body 200 toward the door body 300.
  • the specific shape of the first guide groove 152 can be various, for example, it can be a straight line or an arc shape, or a combination of a straight line and an arc shape, as long as the drive arm 130 can be restricted.
  • the second drive end 132 of the drive arm 130 may drive the moving member 160 to move along the door body 300 toward the installation end or the moving end.
  • the first guide groove 152 may be linear (the whole is linear without obvious bending).
  • the first guide groove 152 may extend laterally or be inclined from the main body 200 toward the door body 300.
  • the curved first guide groove 152 may have lower resistance to a certain extent, and according to the design, the movement of the panel 400 may be non-uniform.
  • the first guide groove 152 extends in an arc shape, to make the sliding of the first guide pin 151 smoother and avoid the occurrence of j amming.
  • the first guide groove 152 is divided into different groove segments, and the shapes and extending directions of at least part of the groove segments can be set differently, not only can a variety of stroke designs be realized, but also easy to realize, with low R&D cost and high reliability.
  • the second guide mechanism 170 includes a second guide pin 171 and a second guide groove 172, and the second guide pin 171 is inserted into the second guide groove 172.
  • the second guide groove 172 may be provided on the moving member 160, and the second guide pin 171 may be provided on the second drive end 132 of the drive arm 130 or near the second drive end 132.
  • the second guide groove 172 may also be provided on the drive arm 130, and the second guide pin 171 may be provided on the moving member 160.
  • the second guide groove 172 is matched (inserted) with the second guide pin 171.
  • the second guide groove 172 extends along the stacking direction between the panel 400 and the door body 300. That is, the second guide groove 172 extends along the thickness direction of the panel 400 and the door body 300. It can be understood that when the second drive end 132 of the drive arm 130 moves toward the door body 300 following the movement of the middle section 133, can be decomposed to have components along the first direction and along the above-mentioned stacking direction.
  • the component along the stacking direction is consumed by the sliding connection of the second guide pin 171 and the second guide groove 172, the remaining component along the first direction pushes the moving member 160 to move along the first direction as a whole, and then pushes the panel 400 to move relative to the door body 300 along the first direction.
  • the moving member 160 can be directly slidably connected to the door body 300, that is, an elongated slot may be provided on the door body 300 or at the connection between the door body 300 and the panel 400, and the moving member 160 slides along the elongated slot.
  • the moving member 160 is slidably connected to the hinge arm 120 to realize the movement of the panel 400 relative to the door body 300.
  • the first arm 121 of the hinge arm 120 can be fixed relative to the door body 300.
  • the panel 400 connected to the moving member 160 can also translate relative to the door body 300.
  • the moving member 160 is slidingly connected to the hinge arm 120, such that at least the moving member 160 and the hinge arm 120 in the hinge 100 can be pre-installed to form a whole, which is beneficial to the compact structure of the hinge 100, at the same time, compared with the solution that needs to install the first arm 121 and the moving member 160 to the door body 300 one by one, it is helpful to simplify the installation operation.
  • the hinge arm 120 includes a first arm 121 for connecting with the door body 300, the first arm 121 is provided with a sliding groove 123, and the moving member 160 is slidably arranged on the sliding groove 123.
  • the second arm 122 and the connection portion 125 of the hinge arm 120 are generally plate-shaped and can be overlapped with the drive arm 130.
  • the first arm 121 of the hinge arm 120 may have a block-like structure, and the block-like structure is provided with the sliding groove 123 penetratingly disposed along the first direction.
  • the first arm 121 of the hinge arm 120 can be bent in sequence by the plate body to enclose and define the sliding groove 123.
  • the sliding groove 123 can be in the shape of a circumferentially closed hole, such that the moving member 160 slidably connected therewith can be accommodated in the closed area during the sliding process, which helps to increase the stability of the installation between the moving member 160 and the sliding groove 123.
  • the moving member 160 includes a sliding portion 161 and a guide portion 162 connected to each other, the sliding portion 161 is slidably installed in the sliding groove 123, the guide portion 162 protrudes outward from the notch of the sliding groove 123 and is connected to the drive arm 130 through the second guide mechanism 170.
  • the sliding portion 161 is slidably connected to the sliding groove 123 and is connected to the panel 400. It can be understood that the sliding portion 161 is generally arranged in a block shape, and the outer size and shape of the sliding portion 161 are adapted to the inner size and shape of the sliding groove 123.
  • the sliding groove 123 can basically limit the sliding track of the sliding portion 161.
  • the first arm 121 may further define a guide groove on one side of the sliding groove 123 that is consistent with the extending direction of the sliding groove 123.
  • the sliding portion 161 is protruded with a sliding protrusion corresponding to the guide groove, and the sliding protrusion is slidably connected to the guide groove.
  • a guide groove that is consistent with the extending direction of the sliding groove 123 is provided on one side of the sliding portion 161, the sliding groove 123 is provided with a sliding protrusion corresponding to the guide groove, and the sliding protrusion can also be slidably connected and matched with the guide groove.
  • the first arm 121 is configured to be disposed between the door body 300 and the panel 400.
  • the side facing the panel 400 is provided with an escape groove 124, and the moving member 160 and the panel 400 are connected at the escape groove 124.
  • the escape groove 124 communicates with the sliding groove 123, and the sliding portion 161 of the moving member 160 can at least partially protrude outward from the escape groove 124 and be connected to the panel 400.
  • the hinge 100 further includes a connecting member 190, the connecting member 190 penetrates the escape groove 124 and connects the sliding portion 161 and the panel 400.
  • the connecting member 190 can be generally arranged in a plate shape.
  • the connecting member 190 has a first wall surface connected to the moving member 160 and a second wall surface connected to the panel 400. According to the different orientations of the moving member 160 relative to the panel 400, the first wall surface and the second wall surface may be arranged opposite to each other, or arranged at a cross angle.
  • the plate segment forming the first wall surface and the plate segment forming the second wall surface are arranged substantially vertically.
  • the guide portion 162 protrudes outward from the sliding groove 123, and as described above, the guide portion 162 is used for connecting with the second drive end 132 of the drive arm 130 through the second guide mechanism 170.
  • the guide portion 162 may be provided with the second guide groove 172.
  • the hinge 100 or the electrical device further includes a guide member 180.
  • the guide member 180 is disposed between the door body 300 and the panel 400, and is disposed closer to the moving end than the installation end.
  • the guide member 180 includes a guide rail 181 and a guide groove 182, one of the guide rail 181 and the guide groove 182 is provided on the door body 300, the other of the guide rail 181 and the guide groove 182 is provided on the panel 400, the guide rail 181 extends along the first direction, and the guide groove 182 is slidably connected to the guide rail 181.
  • the guide rail 181 can be protruded from the door body 300, one end of the guide rail 181 extends from the door body 300 toward the panel 400 and then bends and extends along the first direction.
  • the panel 400 is provided with a convex hull toward the door body 300.
  • the convex hull is provided with the guide groove 182 along the first direction.
  • the guide groove 182 may be located on the side of the guide rail 181 close to the installation end.
  • the moving member 160 drives the panel 400 to translate in the direction of the moving end, drives the guide groove 182 to fit on the guide rail 181 from the free end of the guide rail 181, and slides relative to the guide rail 181 following the translation of the panel 400.
  • the rotating shaft 110 can connect the hinge arm 120 to the main body 200, or the rotating shaft 110 can connect the hinge arm 120 to the mounting member 140.
  • the rotating shaft 110 is connected to the hinge arm 120 and the mounting member 140, the mounting member 140 provided separately is used to cooperate with the hinge arm 120, the hinge 100 is more independent, easier to manufacture, and lower in production cost.
  • the structure of the existing electrical device can be used, and there is no need to re-open the mold, which reduces the cost of research and development, and is also beneficial to the application of different materials for the hinge 100 and the main body 200.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP22187942.2A 2022-03-09 2022-07-29 Scharnier und elektrische vorrichtung Pending EP4242404A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202220523534.2U CN217439777U (zh) 2022-03-09 2022-03-09 铰链及电器设备
CN202210236070.1A CN116771221A (zh) 2022-03-09 2022-03-09 铰链及电器设备

Publications (1)

Publication Number Publication Date
EP4242404A1 true EP4242404A1 (de) 2023-09-13

Family

ID=87555994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22187942.2A Pending EP4242404A1 (de) 2022-03-09 2022-07-29 Scharnier und elektrische vorrichtung

Country Status (1)

Country Link
EP (1) EP4242404A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3108791A1 (de) * 2015-06-26 2016-12-28 Indesit Company S.p.A. Elektrisches haushaltsgerät und scharnier für ein elektrisches haushaltsgerät
US10244920B2 (en) * 2016-03-14 2019-04-02 Nuova Star S.P.A. Hinge for doors of electrical household appliances

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3108791A1 (de) * 2015-06-26 2016-12-28 Indesit Company S.p.A. Elektrisches haushaltsgerät und scharnier für ein elektrisches haushaltsgerät
US10244920B2 (en) * 2016-03-14 2019-04-02 Nuova Star S.P.A. Hinge for doors of electrical household appliances

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