CN112196393A - Kitchen appliance box door driving device capable of prolonging service life of motor - Google Patents
Kitchen appliance box door driving device capable of prolonging service life of motor Download PDFInfo
- Publication number
- CN112196393A CN112196393A CN202010845087.8A CN202010845087A CN112196393A CN 112196393 A CN112196393 A CN 112196393A CN 202010845087 A CN202010845087 A CN 202010845087A CN 112196393 A CN112196393 A CN 112196393A
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- Prior art keywords
- connecting rod
- driving
- motor
- door
- seat
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- 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
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
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- 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
-
- 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
- E05Y2900/308—Application of doors, windows, wings or fittings thereof for domestic appliances for ovens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kitchen appliance box door driving device capable of prolonging the service life of a motor, wherein the bottom of a box door is hinged with a box body, and the box door driving device comprises: the driving installation seat is provided with a connecting rod seat; the driving rod is connected with the box door and is hinged to the connecting rod seat; the connecting rod assembly is hinged with the connecting rod seat and the driving rod; the driving motor is provided with a linear telescopic rod, and the linear telescopic rod drives the driving rod through a connecting rod assembly; the buffer spring is connected with the connecting rod assembly and generates backward pulling force to the connecting rod assembly in the opening and closing process of the box door. The buffer spring is adopted to play a buffer role, so that the load sudden change of the driving motor and the corresponding driving transmission mechanism can be avoided, the service life is prolonged, and the effect of keeping constant speed when the box door is opened and closed can be kept.
Description
Technical Field
The invention belongs to the technical field of kitchen appliances, and particularly relates to a door driving device of a kitchen appliance box, which can prolong the service life of a motor.
Background
The door of the traditional kitchen appliance adopts a manual opening mode. Of course, in order to realize automatic opening and closing, at present, a door of a kitchen appliance is opened and closed by driving a hinge by a driving motor.
For example, reference may be made to chinese patent publication No. CN 209780570U, which discloses an oven door driver, comprising a housing, a direct-connection type reduction motor, and a hinge connected to a lid; one end of the shell is fixedly provided with an installation plate, the outer end of the installation plate is provided with a speed reducing motor, and one end of the hinge, which is opposite to the speed reducing motor, is hinged on the shell through a hinge shaft; the power transmission unit is connected with the speed reducing motor and the hinge, transmits the output power of the speed reducing motor to the hinge and realizes the turnover of the hinge; the power transmission unit is mounted in the housing through a support assembly.
Because many kitchen appliances, such as the oven door, the bottom of the oven door is hinged with the oven body, the mode of turning and opening towards the front lower side is adopted. When the box door is opened, the box door is heavier, and can generate larger impact force to the driving device when being turned downwards under the action of gravity, and when the box door is closed, the gravity of the box door needs to be overcome, and then a larger load can be generated, so that the failure rate of the driving motor and the corresponding driving transmission mechanism is higher, and the service life is shortened.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a kitchen appliance box door driving device capable of prolonging the service life of a motor, so that the driving motor and a corresponding driving transmission mechanism are prevented from having larger loads, and the service life is prolonged.
In order to solve the technical problems, the invention adopts the following technical scheme: kitchen appliance chamber door drive arrangement that can prolong motor life, chamber door bottom articulate in the box, chamber door drive arrangement drive chamber door is opened to the upset of downside below in the front, chamber door drive arrangement includes:
the driving installation seat is provided with a connecting rod seat;
the driving rod is connected with the box door and is hinged to the connecting rod seat;
the connecting rod assembly is hinged with the connecting rod seat and the driving rod;
the driving motor is provided with a linear telescopic rod, and the linear telescopic rod drives the driving rod through a connecting rod assembly;
the buffer spring is connected with the connecting rod assembly and generates backward pulling force to the connecting rod assembly in the opening and closing process of the box door.
Preferably, the driving motor is installed on the motor installation plate, and the motor installation plate is hinged to the driving installation seat.
Preferably, the rear end of the buffer spring is connected with an adjusting slide block which can adjust the front and rear positions to adjust the compression degree of the buffer spring.
Preferably, the bottom of the driving installation seat is provided with an adjusting sliding groove extending forwards and backwards, and the adjusting sliding block slides forwards and backwards along the adjusting sliding groove.
Preferably, the adjusting slide block is in threaded connection with an adjusting screw rod, and the adjusting slide block is driven to slide back and forth along the adjusting sliding groove by rotating the adjusting screw rod.
Preferably, the rear portion of the driving mounting seat is provided with a back plate, the adjusting screw penetrates through a through hole in the back plate, and the adjusting screw is provided with a hexagon socket head on the rear side of the back plate.
Preferably, the connecting rod assembly comprises a first connecting rod and a second connecting rod, the front end of the first connecting rod is hinged to the driving rod, the rear end of the first connecting rod is hinged to the upper end of the second connecting rod, and the lower end of the second connecting rod is hinged to the connecting rod seat.
Preferably, the connecting rod seat is connected with a limit baffle plate for limiting the forward rotation angle of the second connecting rod.
Preferably, the limit baffle includes a horizontal portion and a limit portion bent obliquely upward from a rear end of the horizontal portion.
Preferably, the limit baffle is fixed on the connecting rod seat by screws, the connecting rod seat is provided with screw holes, the horizontal part is provided with waist-shaped holes extending from front to back, and the screws penetrate through the waist-shaped holes and are connected with the screw holes.
The technical scheme adopted by the invention has the following beneficial effects:
1. buffer spring plays the cushioning effect, opens at the chamber door and produces backward pulling force with closed in-process to link assembly, therefore when the chamber door is opened, can avoid the chamber door upset back to drop suddenly, produces the impact force to the driving motor telescopic link, and when the chamber door was closed, produce supplementary pulling force, reduce driving motor load, but also can make the chamber door open when closed, keep the effect at the uniform velocity. Therefore, the drive motor and the corresponding drive transmission mechanism can be prevented from generating large load and sudden load change, and the service life is prolonged.
2. The driving motor adopts a hinged installation mode and is matched with the connecting rod assembly to form a perfect curvilinear motion hinge, and the effects of long arm strength and labor saving can be achieved according to the lever principle.
3. And a driving motor is adopted to control the stroke of the connecting rod assembly, and meanwhile, a limit baffle is arranged to limit the forward rotation angle of the second connecting rod.
The following detailed description of the present invention will be provided in conjunction with the accompanying drawings.
Drawings
The invention is further described with reference to the accompanying drawings and the detailed description below:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first partial schematic view of the present invention;
FIG. 3 is a second partial schematic view of the present invention;
FIG. 4 is a third schematic view of a partial structure of the present invention;
in the figure: 1-driving installation seat, 11-back plate, 111-hinge lug, 12-bottom part, 121-adjusting sliding groove, 13-side plate, 131-arc groove, 2-driving motor, 21-motor installation plate, 211-elbow part, 22-linear telescopic rod, 3-driving rod, 31-rear protrusion part, 4-connecting rod component, 41-connecting rod seat, 42-first connecting rod, 43-second connecting rod, 44-limit baffle, 441-horizontal part, 442-limit part, 443-waist-shaped hole, 5-buffer spring, 6-adjusting sliding block, 61-hook hanging hole, 7-adjusting screw rod and 71-hexagon socket head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper," "lower," "front," "rear," "left," "right," and the like, which indicate orientation or positional relationship, are based only on the orientation or positional relationship shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
Referring to fig. 1 to 4, in the door driving device for a kitchen appliance, which can prolong the service life of a motor, the bottom of a door is hinged to a box body, and the door driving device drives the door to be opened towards the lower part of the front side in a turnover manner.
The door driving device includes:
the driving installation base 1 is provided with a connecting rod base 41;
the driving rod 3 is connected with the box door, and the bottom of the driving rod 3 is hinged to the front end of the connecting rod seat 41;
the connecting rod assembly 4 is hinged with the connecting rod seat 41 and the driving rod 3;
the driving mechanism comprises a driving motor 2, wherein the driving motor 2 is provided with a linear telescopic rod 22, and the linear telescopic rod 22 drives a driving rod 3 through a connecting rod assembly 4;
and the buffer spring 5 is connected with the connecting rod assembly 4, and generates backward pulling force on the connecting rod assembly 4 in the process of opening and closing the box door.
Adopt buffer spring 5 can play the cushioning effect, open and produce backward pulling force to link assembly 4 with closed in-process at the chamber door, therefore when the chamber door is opened, can avoid the chamber door upset back to drop suddenly, produce the impact force to the driving motor telescopic link, when the chamber door was closed, produce supplementary pulling force, reduce the driving motor load. Therefore, the drive motor and the corresponding drive transmission mechanism can be prevented from generating large load and sudden load change, and the service life is prolonged.
The driving motor 2 is mounted on the motor mounting plate 21, and the motor mounting plate 21 is hinged to the driving mounting seat 1. Specifically, motor mounting panel 21 is including the horizontal flat plate portion that extends around and the elbow portion 211 of buckling downwards from horizontal flat plate portion rear end, drive mount pad 1 includes backplate 11, the front side of backplate 11 is equipped with articulated ear 111, elbow portion 211 is articulated with articulated ear 111 through the round pin axle.
The front end of the link base 41 extends forward from the bottom 12 of the drive mounting base 1 and is hinged to the bottom of the drive rod 3.
In one embodiment, the link assembly 4 includes a first link 42 and a second link 43, a front end of the first link 42 is hinged to the driving rod 3, a rear end of the first link 42 is hinged to an upper end of the second link 43 through a pin, and a lower end of the second link 43 is hinged to the link base 41. The driving installation seat 1 comprises side plates 13 on the left side and the right side, the side plates 13 are provided with arc-shaped grooves 131, and the pins are matched with the arc-shaped grooves. The driving motor 2 is hinged and mounted and matched with the connecting rod assembly 4 to form a perfect curvilinear motion hinge, and the effects of long arm strength and labor saving can be achieved according to the lever principle.
As can be understood by those skilled in the art, since the door needs to be opened and closed frequently, the deformation coefficient k of the buffer spring 5 changes after a long time of use, and the buffering effect is deteriorated. In order to offset the change of the deformation coefficient, the rear end of the buffer spring 5 is connected with an adjusting slide block 6 which can adjust the front and rear positions so as to adjust the compression degree of the buffer spring 5.
Specifically, the bottom 12 of the driving mounting seat 1 is provided with an adjusting sliding groove 121 extending forward and backward, and the adjusting sliding block 6 slides forward and backward along the adjusting sliding groove 121. The adjusting slide block 6 is in threaded connection with an adjusting screw rod 7, and the adjusting slide block 6 is driven to slide back and forth along the adjusting sliding groove 121 by rotating the adjusting screw rod 7. And the adjusting screw 7 can be connected with a locking nut, and the locking nut is locked after being adjusted in place.
The adjusting screw 7 penetrates through a through hole in the back plate 11, and the adjusting screw 7 is provided with a hexagon socket head 71 on the back side of the back plate and matched with a hexagon socket wrench, so that adjustment is convenient. The adjusting slide block 6 is a rectangular open body with an opening at the upper part, a front side plate of the adjusting slide block 6 is provided with a hook hole 61 hooked with the rear end of the buffer spring 5, and a threaded hole connected with the adjusting screw rod 7 in a threaded manner is arranged on a rear side plate of the adjusting slide block 6.
In the present embodiment, two adjusting screws 7 are arranged side by side.
The driving motor 2 is adopted to control the stroke of the connecting rod assembly 4, and meanwhile, the reliability is further improved. The link base 41 is connected with a limit baffle 44 for limiting the forward rotation angle of the second link 43.
As an embodiment, referring to fig. 2, the limit stop 44 includes a horizontal portion 441 and a limit portion 442 bent obliquely upward from a rear end of the horizontal portion. The limit baffle 44 is fixed on the connecting rod seat 41 by screws, the connecting rod seat 41 is provided with screw holes, the horizontal part 441 is provided with a waist-shaped hole 443 extending forwards and backwards, and the screws penetrate through the waist-shaped hole 443 and are connected with the screw holes, so that the front and back positions of the limit baffle 44 can be adjusted by sliding along the waist-shaped hole 443, and the limit stroke is adjusted.
It will be understood by those skilled in the art that the above-described door driving apparatus for a kitchen appliance, which can prolong the life of a motor, can be used for various appliances such as an oven, etc., which employ a structure of opening the door by turning it forward and downward.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in other forms without departing from the spirit or essential characteristics thereof. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. Kitchen appliance chamber door drive arrangement that can prolong motor life, chamber door bottom articulate in the box, chamber door drive arrangement drive chamber door is opened its characterized in that to the upset of downside below forward: the door driving device includes: the driving installation seat is provided with a connecting rod seat;
the driving rod is connected with the box door and is hinged to the connecting rod seat;
the connecting rod assembly is hinged with the connecting rod seat and the driving rod;
the driving motor is provided with a linear telescopic rod, and the linear telescopic rod drives the driving rod through a connecting rod assembly;
the buffer spring is connected with the connecting rod assembly and generates backward pulling force to the connecting rod assembly in the opening and closing process of the box door.
2. The door driving device for kitchen appliances capable of extending the life of motor according to claim 1, wherein: the driving motor is arranged on the motor mounting plate, and the motor mounting plate is hinged to the driving mounting seat.
3. The door driving device for kitchen appliances capable of extending the life of motor according to claim 1, wherein: the rear end of the buffer spring is connected with an adjusting slide block which can adjust the front and rear positions to adjust the compression degree of the buffer spring.
4. A door driving device for kitchen appliances capable of extending the life of a motor according to claim 3, characterized in that: the bottom of drive mount pad is equipped with the regulation spout that extends from beginning to end, adjust the slider and slide from beginning to end along adjusting the spout.
5. The door driving device for kitchen appliances capable of extending the life of motor according to claim 4, wherein: the adjusting sliding block is in threaded connection with an adjusting screw rod, and the adjusting sliding block is driven to slide back and forth along the adjusting sliding groove by rotating the adjusting screw rod.
6. The spring adjusting structure of a door driving device of a kitchen appliance according to claim 5, which can prolong the service life of a motor, characterized in that: the rear portion of the driving mounting seat is provided with a back plate, the adjusting screw penetrates through a through hole in the back plate, and the adjusting screw is provided with a hexagon socket head on the rear side of the back plate.
7. The door driving device for kitchen appliances capable of extending the life of motor according to claim 1, wherein: the connecting rod assembly comprises a first connecting rod and a second connecting rod, the front end of the first connecting rod is hinged to the driving rod, the rear end of the first connecting rod is hinged to the upper end of the second connecting rod, and the lower end of the second connecting rod is hinged to the connecting rod seat.
8. The door driving apparatus for kitchen appliances capable of extending the life of motor according to claim 7, wherein: the connecting rod seat is connected with a limiting baffle plate for limiting the forward rotation angle of the second connecting rod.
9. The door driving apparatus for kitchen appliances capable of extending the life of motor according to claim 8, wherein: the limiting baffle comprises a horizontal part and a limiting part bent obliquely from the rear end of the horizontal part to the upper part of the front side.
10. The door driving device for kitchen appliances capable of extending the life of motor according to claim 9, wherein: the limiting baffle is fixed on the connecting rod seat through screws, the connecting rod seat is provided with a screw hole, the horizontal part is provided with a waist-shaped hole extending from front to back, and the screws penetrate through the waist-shaped hole and are connected with the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010845087.8A CN112196393A (en) | 2020-08-20 | 2020-08-20 | Kitchen appliance box door driving device capable of prolonging service life of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010845087.8A CN112196393A (en) | 2020-08-20 | 2020-08-20 | Kitchen appliance box door driving device capable of prolonging service life of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112196393A true CN112196393A (en) | 2021-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010845087.8A Pending CN112196393A (en) | 2020-08-20 | 2020-08-20 | Kitchen appliance box door driving device capable of prolonging service life of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112196393A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727282A (en) * | 2021-01-11 | 2021-04-30 | 南京思创特机电科技有限公司 | Adjustable upturning device |
-
2020
- 2020-08-20 CN CN202010845087.8A patent/CN112196393A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727282A (en) * | 2021-01-11 | 2021-04-30 | 南京思创特机电科技有限公司 | Adjustable upturning device |
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