CN111042692A - Door opening and closing device and kitchen appliance - Google Patents

Door opening and closing device and kitchen appliance Download PDF

Info

Publication number
CN111042692A
CN111042692A CN201911260770.9A CN201911260770A CN111042692A CN 111042692 A CN111042692 A CN 111042692A CN 201911260770 A CN201911260770 A CN 201911260770A CN 111042692 A CN111042692 A CN 111042692A
Authority
CN
China
Prior art keywords
rod
closing
door
door opening
crank
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
CN201911260770.9A
Other languages
Chinese (zh)
Inventor
王庚辉
李金龙
朱丽珊
梁少棠
王大维
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201911260770.9A priority Critical patent/CN111042692A/en
Publication of CN111042692A publication Critical patent/CN111042692A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00Hinges with pins
    • E05D3/06Hinges with pins with two or more pins
    • E05D3/18Hinges with pins with two or more pins with sliding pins or guides
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1246Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis

Abstract

The invention discloses a door opening and closing device, which is used for driving a door body to open and close an opening of a shell, wherein the door body is provided with a swing arm, and the shell is provided with a slide block, a connecting rod and a driver; one end of the swing arm is provided with a crank part, and the crank part, the connecting rod and the sliding block form a crank-sliding block mechanism; the driver drives the sliding block to repeatedly translate, so that the door body is opened and closed along with the swinging of the swinging arm. According to the kitchen appliance, the door opening and closing device is arranged, so that the door can be automatically opened and closed.

Description

Door opening and closing device and kitchen appliance
Technical Field
The invention belongs to the field of door opening and closing, and particularly relates to a door opening and closing device and a kitchen appliance.
Background
With the improvement of living standard of people, various electric appliances begin to enter people's lives, such as embedded ovens, embedded dish washers and other high-end large kitchen appliances, the cabinet door often has a heavy structure, and when people hold bowls or food, the door is not convenient to open manually.
Disclosure of Invention
The invention aims to provide a door opening and closing device and a kitchen appliance so as to realize automatic door opening and closing.
In order to achieve the purpose, the specific technical scheme of the door opening and closing device and the kitchen appliance is as follows:
a door opening and closing device is used for driving a door body to open and close an opening of a shell, the door body is provided with a swing arm, and the shell is provided with a slide block, a connecting rod and a driver; one end of the swing arm is provided with a crank part, and the crank part, the connecting rod and the sliding block form a crank-sliding block mechanism; the driver drives the sliding block to repeatedly translate, so that the door body is opened and closed along with the swinging of the swinging arm.
Furthermore, the door opening and closing device also comprises a hinge seat; the slider is connected with the hinge base in a sliding manner, and the crank part is connected with the hinge base in a rotating manner through the central shaft.
Furthermore, the connecting rod comprises a front rod and a rear rod, the front end of the front rod is hinged to the tail end of the sliding block through a front shaft, the front end of the rear rod is hinged to the rear end of the front rod through a rear shaft, and the rear end of the rear rod is hinged to the crank portion through an eccentric shaft.
Furthermore, a rear track which is obliquely arranged is formed on the hinge seat; the rear shaft is connected with the rear rail in a sliding manner.
Further, a front rail horizontally arranged is formed on the hinge seat; the front shaft is connected with the front rail in a sliding mode.
Furthermore, a limiting slide way is arranged on the front rod, and a limiting rod penetrating through the limiting slide way is fixedly connected with the hinge seat.
Furthermore, the hinge seat is provided with a mounting plate, the mounting plate is provided with a through hole, and the sliding block penetrates through the through hole.
Furthermore, the slider overcoat is equipped with reset spring, and the slider is equipped with spacing end keeping away from mounting panel one end, and reset spring centre gripping is between mounting panel and spacing end.
Furthermore, the driving mechanism comprises a push rod motor, and the push rod motor comprises a motor, a transmission screw rod and a transmission block; the motor drives the transmission screw to rotate, the transmission screw and the transmission block form a screw nut pair, and the transmission block is abutted to the sliding block.
A kitchen appliance comprises a shell, a door body and the door opening and closing device; the door body is driven to swing through the door opening and closing device, so that the door body is automatically opened and closed.
The door opening and closing device and the kitchen appliance have the following advantages: the electric appliance door body can be automatically opened, the problem that the door body is difficult to open for thin and weak groups such as women and the like is solved, and the situation that oil stains are distributed on hands, the operation is inconvenient and the like during cooking is solved.
Drawings
FIG. 1 is a schematic view of a door body and shell connection structure of the present invention;
fig. 2 is a sectional view of the opening and closing device in a closed state according to the present invention;
FIG. 3 is a sectional view of the door opening and closing apparatus in the open state according to the present invention;
fig. 4 is a schematic diagram of a gate opening and closing device according to the present invention.
The notation in the figure is:
1. a housing; 2. a door body; 3. a hinge mount; 31. a central shaft; 32. a rear rail; 33. a front rail; 34. a limiting rod; 35. mounting a plate; 4. swinging arms; 41. a crank portion; 5. a slider; 51. a limiting end; 6. a connecting rod; 61. a front bar; 62. a rear bar; 63. a front axle; 64. a rear axle; 65. an eccentric shaft; 66. a limiting slide way; 7. a push rod motor; 71. an electric motor; 72. a drive screw; 73. a transmission block; 8. a return spring.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a door opening and closing device and a kitchen appliance of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the kitchen appliances of the present invention, such as an oven, a steam box, a dishwasher, etc., each include a housing 1, and a door 2 hinged to the housing 1. Because the door body 2 is relatively thick and heavy, in order to facilitate the opening and closing of the door body 2, the kitchen appliance also comprises a door opening and closing device, and the door opening and closing device drives the door body 2 to swing, so that the automatic opening and closing of the door body 2 are realized.
As shown in fig. 2 and 3, the opening and closing door apparatus includes a hinge base 3, a swing arm 4, a slider 5, a link 6, and an actuator. The hinge base 3 is installed on the installation groove of the base of the shell 1, the slide block 5 and the connecting rod 6 are both installed on the hinge base 3, and the swing arm 4 is installed on the door body 2. One end of the swing arm 4 is provided with a crank part 41, and the crank-slider mechanism is composed of the crank part 41, the connecting rod 6 and the slider 5. The driver drives the sliding block 5 to repeatedly translate, so that the door body 2 can be automatically opened and closed along with the swinging of the swinging arm 3.
In order to adapt to the scarce design space of the shell 1, the connecting rod 6 comprises a front rod 61 and a rear rod 62, the front end of the front rod 61 is hinged at the tail end of the sliding block 5 through a front shaft 63, the front end of the rear rod 62 is hinged at the rear end of the front rod 61 through a rear shaft 64, the rear end of the rear rod 62 is hinged on the crank part 41 through an eccentric shaft 65, and the rear end of the crank part 41 is hinged on the hinge base through a central shaft 31, so that the swing arm 4 is driven by the eccentric shaft 65 to rotate around the central shaft 31 through the pushing of the sliding block 5.
Referring to fig. 4, the hinge base 3 is formed with a rear rail 32 disposed obliquely. The rear axle 64 is mounted on the rear rail 32 at both ends thereof and slidably connected to the rear rail 32. The hinge base 3 is also formed with a horizontally disposed front rail 33. The front axle 63 is mounted on the front rail 33 at both ends thereof and slidably connected to the front rail 33. Thereby ensuring that the force is effectively transmitted from the driver to the swing arm 3 by limiting the moving relation of the front shaft 63 and the rear shaft 64.
In addition, in order to further limit the moving path of the connecting rod 6, a limit slide way 66 is opened on the front rod 61, and a limit rod 34 penetrating through the limit slide way 66 is fixedly connected to the hinge base 3. Similarly, a limit slide 66 may be provided on the rear bar 62.
In order to ensure the translation of the sliding block 5, the hinge base 3 is provided with a mounting plate 35, the mounting plate 35 is provided with a through hole, and the sliding block 5 penetrates through the through hole, so that the sliding block 5 is connected with the hinge base 3 in a sliding manner.
The drive mechanism includes a driver and a reset member. The driver is push rod motor 7, and the driver includes motor 71, drive screw 72 and driving block 73, and the motor drives drive screw 72 and rotates, and drive screw 72 and driving block 73 constitute lead screw nut pair, rotates the rotary motion who conveys screw and turns into the linear motion of driving block 73, and conveying block butt slider 5 to drive slider 5 translation.
And the piece that resets is reset spring 8, and reset spring 8 cover is established outside slider 5, and slider 5 is being kept away from mounting panel 35 one end and is being equipped with spacing end 51, and reset spring 8 centre gripping is between mounting panel 35 and spacing end 51 to reset spring 8 drives slider 5 and resets, the migration of being convenient for next time.
In order to ensure the stability of opening and closing of the door body 2, at least one door opening and closing device is respectively arranged on two sides of the shell 1, and the door opening and closing devices on the two sides are symmetrically arranged about the central line of the door body 2, so that the door body 2 is stably opened and closed due to the same force arm.
In order to fix the swing arm 4 and the door body 2, various fixing methods may be adopted. As shown in fig. 1, the door body 2 is formed with slots at both sides, and the swing arms 4 at both sides are respectively inserted into the two slots and respectively connected with the door body 2 by bolts. In addition, the method can be realized by single practical insertion or bolt connection, or welding and the like.
Therefore, the door body 2 is driven to rotate by only pressing the switch or through the voice recognition system and the door opening and closing device, the door body 2 does not need to be manually closed, and the door opening and closing device is convenient and fast.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A door opening and closing device is used for driving a door body (2) to open and close an opening of a shell (1), and is characterized in that the door body (2) is provided with a swing arm (4), and the shell (1) is provided with a slide block (5), a connecting rod (6) and a driver; one end of the swing arm (4) is provided with a crank part (41), and the crank part (41), the connecting rod (6) and the sliding block (5) form a crank sliding block mechanism; the driver drives the sliding block (5) to repeatedly translate, so that the door body (2) is opened and closed along with the swinging of the swinging arm (4).
2. A door opening and closing device according to claim 1, characterized by further comprising a hinge base (3); the sliding block (5) is connected with the hinge seat (3) in a sliding way, and the crank part (41) is connected with the hinge seat (3) in a rotating way through the central shaft (31).
3. Door opening and closing device according to claim 2, characterized in that the connecting rod (6) comprises a front rod (61) and a rear rod (62), the front end of the front rod (61) is hinged at the end of the slider (5) by a front shaft (63), the front end of the rear rod (62) is hinged at the rear end of the front rod (61) by a rear shaft (64), and the rear end of the rear rod (62) is hinged at the crank portion (41) by an eccentric shaft (65).
4. Door opening and closing device according to claim 3, characterized in that the hinge base (3) is formed with a rear rail (32) disposed obliquely; the rear shaft (64) is connected with the rear rail (32) in a sliding manner.
5. Door opening and closing device according to claim 3, characterized in that the hinge base (3) is formed with a horizontally arranged front rail (33); the front shaft (63) is connected with the front rail (33) in a sliding way.
6. The door opening and closing device as claimed in claim 3, wherein the front rod (61) is provided with a limiting slide way (66), and the hinge base (3) is fixedly connected with a limiting rod (34) penetrating through the limiting slide way (66).
7. A door opening and closing device as claimed in claim 2, wherein the hinge base (3) is provided with a mounting plate (35), the mounting plate (35) is provided with a through hole, and the slider (5) penetrates through the through hole.
8. Door opening and closing device according to claim 7, characterized in that the slide (5) is provided with a return spring (8) around it, the slide (5) being provided with a limit stop (51) at the end remote from the mounting plate (35), the return spring (8) being clamped between the mounting plate (35) and the limit stop (51).
9. Door opening and closing device according to claim 1, characterized in that the drive mechanism comprises a push rod motor (7), the push rod motor (7) comprising an electric motor (71), a drive screw (72) and a drive block (73); the motor drives the transmission screw rod (72) to rotate, the transmission screw rod (72) and the transmission block (73) form a screw rod nut pair, and the transmission block is abutted to the sliding block (5).
10. A kitchen appliance, characterized by comprising a housing (1) and a door body (2), and a door opening and closing device according to any one of claims 1-9; the door opening and closing device drives the door body (2) to swing, so that the door body (2) is automatically opened and closed.
CN201911260770.9A 2019-12-10 2019-12-10 Door opening and closing device and kitchen appliance Pending CN111042692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911260770.9A CN111042692A (en) 2019-12-10 2019-12-10 Door opening and closing device and kitchen appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911260770.9A CN111042692A (en) 2019-12-10 2019-12-10 Door opening and closing device and kitchen appliance

Publications (1)

Publication Number Publication Date
CN111042692A true CN111042692A (en) 2020-04-21

Family

ID=70235504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911260770.9A Pending CN111042692A (en) 2019-12-10 2019-12-10 Door opening and closing device and kitchen appliance

Country Status (1)

Country Link
CN (1) CN111042692A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112274016A (en) * 2020-10-22 2021-01-29 华帝股份有限公司 Top door structure of embedded kitchen appliance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112274016A (en) * 2020-10-22 2021-01-29 华帝股份有限公司 Top door structure of embedded kitchen appliance

Similar Documents

Publication Publication Date Title
EP2425076B1 (en) Improvements in hinge assemblies
CA2733303C (en) Cash dispensing automated banking machine with service monitor
AU2016304607A1 (en) Hinge device with long reciprocating stroke of a front panel
CN111042692A (en) Door opening and closing device and kitchen appliance
CN211397120U (en) Door opening and closing device and kitchen appliance
CN111344472B (en) Opening and closing device fitting for furniture, side wall of furniture body and furniture with side wall
CN109267883A (en) Oven gate driver
CN108468488A (en) A kind of hinge component and the utensil for being equipped with the hinge component
CN104165009B (en) A kind of oven door can optional position stop oven hinge
CN208837347U (en) A kind of drawer electric device and its cabinet for TV
CN211666497U (en) Manual-automatic integrated electric hinge
CN211380356U (en) Integrated kitchen drawer basket
CN207513428U (en) A kind of Novel unpowered rotates clamshell doors
CN207380823U (en) Fruit juice Vending Machine send cup mechanism
CN111053459A (en) Baking oven
CN211626920U (en) Hinge test equipment
CN110213916B (en) Linkage self-locking explosion-proof control cabinet
CN210292021U (en) Oil smoke processing apparatus and kitchen appliance
CN215761116U (en) Door opening and closing mechanism of double-door domestic oven with handle
CN111503981B (en) Automatic door opening and closing device of refrigerator and refrigerator
CN214849802U (en) Valve device and switch cabinet
CN211549258U (en) Electric hinge
CN209855522U (en) Hinge capable of electrically opening and closing door
CN211673842U (en) Baking oven
CN209780570U (en) Oven door driver

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination