CN212337013U

CN212337013U - Door opening and closing system and door opening household appliance

Info

Publication number: CN212337013U
Application number: CN202020635385.XU
Authority: CN
Inventors: 艾穗江; 黄良海; 李亚明
Original assignee: Guangdong Macro Gas Appliance Co Ltd; Guangdong Wanjiale Kitchen Technology Co Ltd
Current assignee: Guangdong Macro Gas Appliance Co Ltd; Guangdong Wanjiale Kitchen Technology Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-01-12
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a switch door system to a household electrical appliances that open door with switch door system is disclosed, wherein the switch door system includes: the door opening and closing device comprises a power source, a power gear and at least one door body rotating mechanism, wherein the power source drives the power gear, each door body rotating mechanism comprises an input end and an output end, the input end is in transmission connection with the output end, and each input end is in transmission connection with the power gear; the top door device comprises a top wheel, a top rod and a guide block, wherein the top wheel is a cam or an eccentric wheel, the power gear is coaxially connected with the top wheel, and the rotating path of the top wheel is intersected with the top rod. The utility model discloses be equipped with the door body of pivot outward, switching door system can loop through a door gear and a switch door gear when opening the door and rotate the door body and open, because the linkage has between switching door gear and the top door gear, consequently only need adopt the action of opening the door of a power supply just can accomplish the door body.

Description

Door opening and closing system and door opening household appliance

Technical Field

The utility model relates to a domestic appliance field, in particular to switch door system and household electrical appliances that open the door.

Background

Most of the existing door-opening household appliances, such as refrigerators or heat preservation boxes, have a door body which is opened and closed manually, but the manual opening and closing manner is inconvenient for realizing intellectualization and automation of the household appliances.

Although the door opening household appliance capable of automatically opening and closing the door is available in the market at present, the door pushing mechanism and the door opening and closing device are independent of each other, linkage is lacked, the door opening action is not smooth easily, and more than one power source is needed due to the fact that the door pushing mechanism and the door opening and closing device are independent of each other, and therefore manufacturing cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, for this reason, the utility model provides a switch door system.

The utility model also provides a household electrical appliances that open door that have above-mentioned switching door system.

According to the utility model discloses a switch door system of first aspect embodiment includes:

installing a panel;

the door opening and closing device is arranged on the installation panel and comprises a power source, a power gear and at least one door body rotating mechanism, the power source drives the power gear, each door body rotating mechanism comprises an input end and an output end, the input end is in transmission connection with the output end, and each input end is in transmission connection with the power gear;

the top door device is installed on the installation panel and comprises a top wheel, a top rod and a guide block, the top rod penetrates through the guide block, the top wheel is a cam or an eccentric wheel, the power gear is coaxially connected with the top wheel, and the rotating path of the top wheel is intersected with the top rod, so that the top wheel can push the top rod.

According to the utility model discloses switch door system has following beneficial effect at least: the output end of the door body rotating mechanism drives the door body to rotate to open or close; the door opening and closing system can open the door body sequentially through the door ejecting device and the door opening and closing device when the door is opened, and the door opening and closing device and the door ejecting device are linked, so that the door opening action of the door body can be completed only by adopting one power source, the manufacturing cost is saved, and the door opening action is smoother.

According to the utility model discloses a some embodiments, power gear is intermittent type gear, every the input all with power gear carries out intermittent type transmission, and the action that the apical wheel promoted the ejector pin is asynchronous with the action that power gear drove the input.

According to some embodiments of the invention, the top door device further comprises a return mechanism for causing the one end of the top rod to remain in abutment with the top wheel.

According to some embodiments of the utility model, but the one end of ejector pin is equipped with free rotation from the driving wheel, from the driving wheel with the top wheel keeps the butt.

According to the utility model discloses a household electrical appliances open door of second aspect embodiment, including box and foretell switching door system, the top surface or the bottom surface of box do the installation panel, one side pin joint of box has a door body, door body slewing mechanism's quantity with the quantity of the door body is unanimous, the box with the door body all is equipped with sealed magnetic stripe.

According to some embodiments of the utility model, the door body with be equipped with the pivot between the box, the output is installed at the door on the pivot.

According to some embodiments of the utility model, the door body is equipped with the topside, the topside with the ejector pin corresponds the setting.

According to the utility model discloses a household electrical appliances open door of second aspect embodiment, including box and foretell switching door system, the top surface or the bottom surface of box do the installation panel, the equal pin joint in both sides of box has a door body, door body slewing mechanism's quantity with the quantity of the door body is unanimous, the box with the door body all is equipped with sealed magnetic stripe.

According to some embodiments of the utility model, every the door body with all be equipped with the pivot between the box, two the input is installed respectively power gear's both sides, two the output is installed respectively two on the pivot.

According to some embodiments of the invention, one of the input with be equipped with reversing gear between the power gear, the other the input with the power gear meshing.

According to some embodiments of the utility model, two the door body all is equipped with the topside, two the topside all with the ejector pin corresponds the setting.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a single-door box according to an embodiment of the present invention;

FIG. 2 is a top plan view of the single door chest shown in FIG. 1;

fig. 3 is a schematic perspective view of a double-door box according to an embodiment of the present invention;

fig. 4 is another schematic perspective view of a double-door box according to an embodiment of the present invention;

FIG. 5 is a top plan view of the double door chest shown in FIG. 3;

fig. 6 is a schematic perspective view of a double-door box according to an embodiment of the present invention when the door is opened;

fig. 7 is a schematic view of a cam according to an embodiment of the present invention;

fig. 8 is a schematic view of an eccentric wheel according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1 and 2, according to the utility model discloses a household electrical appliance opens door, including box 500 and switching door system, wherein one side pin joint of box 500 has a door body 300 and forms the single-door box, door body 300 with be equipped with pivot (the attached drawing does not show) between the box 500, switching door system includes switch door gear 100 and top door gear 200, switch door gear 100 with top door gear 200 all installs on the top surface of box 500, the top of door body 300 is equipped with topside 310, be equipped with the sealing magnetic stripe (the attached drawing does not show) on the medial surface of door body 300, box 500 also be equipped with the sealing magnetic stripe that door body 300 matches and uses. It is understood that the door opening and closing device 100 and the top door device 200 may also be installed on the bottom surface of the cabinet 500, without being limited thereto; and two sealing magnetic stripes are not both magnetic, one sealing magnetic stripe can be magnetic, and the other sealing magnetic stripe is attracted.

Specifically, a convex mounting plate 510 is arranged on the top surface of the box 500, the door opening and closing device 100 includes a power source 110, a power gear 120 and a door rotating mechanism 130, the power source 110 is preferably a speed reduction motor, and the power source 110 is mounted below the mounting plate 510 and drives the power gear 120; the utility model discloses it is not right the setting of mounting panel 510 is injectd, if the utility model discloses do not be equipped with mounting panel 510, power supply 110 then direct mount is on box 500 top surface, even can additionally occupy box 500's top surface space like this still do not influence its normal use. The door body rotating mechanism 130 comprises an input end 131 and an output end 132, the input end 131 is a coaxial double-tooth gear, the output end 132 is a door gear located on a pivot of the door body 300, when the door gear rotates, the door body 300 also rotates, and vice versa; the input end 131 and the output end 132 are in transmission connection through a belt transmission structure or a gear transmission structure, and the power gear 120 is engaged with the input end 131, so that the power source 110 can drive the door 300 to rotate to open or close.

The top door device 200 comprises a top wheel 210, a top rod 220 and a guide block 230, wherein one end of the top rod 220 is provided with a top door piece 221, the top door piece 221 is close to the top edge 310 of the door body 300, the top door piece 221 is abutted against the top edge 310 of the door body 300 in the process of door lifting, namely, the top door piece 221 is mainly used for lifting the door body 300; in order to avoid the position deviation of the top bar 220 in the door pushing process, the number of the guide blocks 230 is two, the two guide blocks 230 are fixedly connected to the top surface of the box body 500, the two guide blocks 230 are both provided with guide holes, and the top bar 220 sequentially passes through the two guide holes, so that the top bar 220 has guidance. The top wheel 210 is coaxially connected with the power gear 120, that is, the top wheel 210 rotates along with the power gear 120, the shape of the top wheel 210 can be shown in fig. 7 and 8, and the top wheel 210 is a cam 211 or an eccentric 212; the rotation path of the top wheel 210 intersects with the top rod 220, so that the top wheel 210 can push the top rod 220 outwards, and the top door piece 221 on the top rod 220 can push the door body 300 open every time the top wheel 210 pushes the top rod 220 outwards. It is understood that the rotation path of the top wheel 210 specifically refers to the rotation path of the protrusion 201 on the cam 211 if the top wheel 210 is the cam 211, and specifically refers to the maximum rotation path of the eccentric 212 if the top wheel 210 is the eccentric 212. Compared with the eccentric wheel 212, the cam 211 can obviously reduce the moving frequency of the ejector rod 220, so the top wheel 210 in the utility model is preferably the cam 211, the cam 211 is provided with the convex outer edge 2111 of the circular arc, the two ends of the convex outer edge 2111 are respectively in transition connection with the outer edge 2112 of the circular wheel through the gradual transition curve 2113, the gradual transition curve 2113 is preferably the curve meeting the sine acceleration motion law of the ejector rod 220, the arrangement can make the motion of the ejector rod 220 more stable, and the ejector rod 220 has no rigid impact or flexible impact; the height of the cam 211 above the protrusion 201 should be controlled within a proper range, so that when the top door piece 221 jacks the door 300, the door 300 is not opened greatly, and the distance between the door 300 and the box 500 is about 3mm-8 mm; in order to open and close the door 300, the rotation path of the power gear 120 is a circular arc instead of a full circle, and the same applies to the rotation path of the top wheel 210. Because the door opening and closing device 100 and the door top device 200 are linked, the door opening and closing system can open the door body 300 sequentially through the door top device 200 and the door opening and closing device 100 when opening the door, but in order to avoid the abrasion of the gear caused by the passive engagement of the power gear 120 and the input end 131 when opening the door, the power gear 120 is preferably an intermittent gear which is provided with one or more than one tooth part 121, the intermittent gear is not engaged with the input end 131 when the door body 300 is opened, the intermittent gear is engaged with the input end 131 after the door body 300 is opened, that is, the action of the cam 211 pushing the push rod 220 is not synchronous with the action of the intermittent gear driving the input end 131.

In some embodiments of the present invention, the top door apparatus 200 further includes a return mechanism 240, the return mechanism 240 includes a spring 241 and a limiting plate 242, the limiting plate 242 is fixedly connected to the top rod 220, the limiting plate 242 is specifically located between the cam 211 and the guide block 230, the spring 241 is sleeved on the top rod 220, two ends of the spring 241 are respectively abutted to the limiting plate 242 and the guide block 230, at this time, the spring 241 has a pre-pressing elastic force, and the end of the top rod 220 provided with the limiting plate 242 is kept abutted to the cam 211. When the cam 211 pushes the top bar 220 outwards, the spring 241 is further compressed, and after the protrusion 201 of the cam 211 rotates over the top bar 220, the top bar 220 starts to return and always keeps abutting with the cam 211 under the action of the spring 241. In addition, in order to reduce the friction between the push rod 220 and the cam 211, a freely rotatable driven wheel 222 is provided at the end of the push rod 220 close to the cam 211, the driven wheel 222 is in contact with the cam 211, and each time the cam 211 rotates, the driven wheel 222 rotates along with the cam to reduce the friction between the cam 211 and the driven wheel.

In some embodiments of the present invention, the return mechanism 240 may further include a sliding groove (not shown in the drawings) disposed on the circumferential surface of the cam 211 and the driven wheel 222, where the cam 211 is a grooved cam, and the driven wheel 222 is slidably connected in the sliding groove in a limited manner, so that the push rod 220 can move along with the grooved cam.

For the single door case, the door opening and closing modes can be divided into a manual mode and an automatic mode, in the manual mode, since the power gear 120 is an intermittent gear, as long as the power source 110 does not drive the intermittent gear to rotate, the intermittent gear is not engaged with the input end 131, and thus a user can manually open or close the door 300. In addition, in the automatic mode, after the user presses the automatic opening button, the power source 110 will drive the intermittent gear and the cam 211 to rotate simultaneously, after the cam 211 starts to rotate, the top rod 220 will be pushed outwards by the cam 211 and the top door 221 thereof will be pushed to open the door 300, and then the intermittent gear will start to engage with the input end 131, so that the output end 132 can drive the door 300 to open; after the user pressed the self-closing button, power supply 110 drove the intermittent gear carries out the antiport, makes output 132 can drive the door body 300 closes, closes to a certain degree at door body 300 after, the intermittent gear with input 131 breaks away from the meshing, because at this moment door body 300 has certain inertia and the magnetic attraction that the stack has sealed magnetic stripe, therefore door body 300 can continue to close. It should be further noted that after the intermittent gear is disengaged from the input end 131, the push rod 220 still has an ejection state under the action of the cam 211, which is interfered with the motion path of the door 300 for closing, but because the door 300 is in an inertial closing state at this time, the door closing speed lags behind the return speed of the cam 211 driving the push rod 220, the door 300 is orderly staggered from the interference possibly existing with the push rod 220 in the closing process, and because the amplitude of the push rod 221 capable of ejecting the door 300 is small, about 3mm to 8mm of gap, in which the sealing magnetic stripe can close the door 300 by magnetic attraction.

As shown in fig. 3 to 6, according to the household electrical appliance with a door of another embodiment of the present invention, the two sides of the box 500 are all pivoted with a door 300 and form a double-door box, each of the door 300 and the box 500 is provided with a pivot therebetween, and the double-door box and the single-door box are different in that: the number of the door rotating mechanisms 130 of the double-door box body is two, the two door rotating mechanisms 130 are respectively arranged corresponding to the two doors 300, that is, the two input ends 131 are respectively arranged at two sides of the power gear 120, the two output ends 132 are respectively arranged on the two pivots, the power gear 120 is respectively in transmission connection with the two input ends 131, but in order to enable the two doors 300 to be opened or closed simultaneously, a reversing gear 400 is arranged between one of the input ends 131 and the power gear 120, and the other input end 131 is meshed with the power gear 120; when the power gear 120 is preferably an intermittent gear with two teeth 121, the top door 221 of the top rod 220 acts on the top edges 310 of the two door bodies 300 respectively.

The utility model discloses an in some embodiments, only need two input 131 replacement is the coaxial double gear of different dimensions or with two output 132 replacement is the door gear of different dimensions, and the range of opening of two door bodies 300 can also be controlled respectively to this embodiment to satisfy user's different demands.

For the above-mentioned double-door box, the door opening and closing modes can be divided into a manual mode and an automatic mode, in the manual mode, since the power gear 120 is an intermittent gear, as long as the power source 110 does not drive the intermittent gear to rotate, the intermittent gear will not be transmitted with the input end 131, so that the user can manually open or close the two door bodies 300. In addition, in the automatic mode, after the user presses the automatic opening button, the power source 110 will simultaneously drive the intermittent gear and the cam 211 to rotate, after the cam 211 starts to rotate, the top rod 220 will be pushed by the cam 211 and the top door 221 thereof will simultaneously open the two door bodies 300, and then the intermittent gear starts to drive the two input ends 131 to simultaneously rotate, so that the two output ends 132 can respectively drive the corresponding door bodies 300 to open; after the user pressed the self-closing button, power supply 110 drove the intermittent gear carries out antiport for two output 132 can drive the door body 300 that corresponds respectively and close, closes to a certain extent at two door bodies 300 after, the intermittent gear simultaneously with two input 131 breaks away from the meshing, because two this moment door bodies 300 have certain inertia and the magnetic attraction that the stack has sealed magnetic stripe, consequently two door bodies 300 can continue to close.

Based on the structure, compared with the prior art, the utility model, because the door opening and closing system can realize automatic opening or automatic closing of one or two door bodies 300 only by adopting one power source, the manufacturing cost of the door opening household appliance can be effectively saved, and the door opening and closing system has higher competitiveness in the market; and because the door opening and closing device 100 and the top door device 200 are linked, the control of the door opening household appliance is simpler and the automatic door opening action is smoother.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A switching door system, comprising:

installing a panel;

2. The door opening and closing system according to claim 1, wherein: the power gear is an intermittent gear, each input end is in intermittent transmission with the power gear, and the action of pushing the ejector rod by the ejector wheel is asynchronous with the action of driving the input end by the power gear.

3. The door opening and closing system according to claim 1, wherein: the top door device further comprises a return mechanism, and the return mechanism is used for enabling one end of the top rod to be kept in abutting joint with the top wheel.

4. The switching door system of claim 3, wherein: one end of the ejector rod is provided with a driven wheel which can rotate freely, and the driven wheel is abutted to the ejector wheel.

5. An electric door opening appliance comprising the door opening and closing system according to any one of claims 1 to 4, further comprising: the top surface or the bottom surface of the box body is provided with the installation panel, one side of the box body is pivoted with a door body, the number of the door body rotating mechanisms is consistent with that of the door bodies, and the box body and the door bodies are provided with sealing magnetic stripes.

6. The door-opening appliance of claim 5, wherein: a pivot is arranged between the door body and the box body, and the output end is arranged on the pivot of the door.

7. The door-opening appliance of claim 5, wherein: the door body is provided with a top edge, and the top edge is arranged corresponding to the ejector rod.

8. An electric door opening appliance comprising the door opening and closing system according to any one of claims 1 to 4, further comprising: the box, the top surface or the bottom surface of box do the installation panel, the both sides of box all the pin joint have a door body, door body slewing mechanism's quantity with the quantity of the door body is unanimous, the box with the door body all is equipped with sealed magnetic stripe.

9. The door-opening appliance of claim 8, wherein: and pivots are arranged between each door body and the box body, the two input ends are respectively arranged at two sides of the power gear, and the two output ends are respectively arranged on the two pivots.

10. The door-opening appliance of claim 8, wherein: a reversing gear is arranged between one of the input ends and the power gear, and the other input end is meshed with the power gear.

11. The door-opening appliance of claim 8, wherein: two the door body all is equipped with the topside, two the topside all with the ejector pin corresponds the setting.