CN213359741U - Force arm combined structure of driving device of kitchen appliance box door - Google Patents
Force arm combined structure of driving device of kitchen appliance box door Download PDFInfo
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- CN213359741U CN213359741U CN202021753951.3U CN202021753951U CN213359741U CN 213359741 U CN213359741 U CN 213359741U CN 202021753951 U CN202021753951 U CN 202021753951U CN 213359741 U CN213359741 U CN 213359741U
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- connecting rod
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- chamber door
- kitchen appliance
- driving device
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Abstract
The utility model discloses a kitchen appliance chamber door drive arrangement arm of force integrated configuration, chamber door bottom articulate in the box, chamber door drive arrangement drive chamber door is opened to the upset of below of downside forward, arm of force integrated configuration is including articulating in the driving motor of drive mount pad, the actuating lever of being connected with the chamber door, be equipped with link assembly between driving motor and the actuating lever, link assembly includes connecting rod seat, first connecting rod and second connecting rod, the connecting rod seat is fixed in the drive mount pad, the front end and the actuating lever of first connecting rod are articulated, the rear end of first connecting rod is articulated with the upper end of second connecting rod, the lower extreme and the connecting rod seat of second connecting rod are articulated, driving motor is equipped with sharp telescopic link, sharp telescopic link is articulated with the upper portion of second connecting rod. The utility model discloses can form a perfect curvilinear motion hinge, reach power arm length, and laborsaving effect.
Description
Technical Field
The utility model belongs to the technical field of kitchen appliance, especially, relate to kitchen appliance chamber door drive arrangement.
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 utility model patent publication No. CN 209780570U, which discloses an oven door driver including a housing, a direct-type reduction motor, and a hinge connecting a cover; 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 door is opened, the door is heavy, which causes a heavy load on the driving motor, a high cost, a high failure rate and a shortened service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a kitchen appliance chamber door drive arrangement arm of force integrated configuration is just provided, reduces driving motor's load, reaches laborsaving effect.
In order to solve the technical problem, the utility model adopts the following technical scheme: kitchen electrical apparatus chamber door drive arrangement arm of force integrated configuration, chamber door bottom articulate in the box, chamber door drive arrangement drive chamber door is opened to the upset of below of downside forward, arm of force integrated configuration is including articulating in the driving motor of drive mount pad, the actuating lever of being connected with the chamber door, be equipped with link assembly between driving motor and the actuating lever, link assembly includes connecting rod seat, first connecting rod and second connecting rod, the connecting rod seat is fixed in the drive mount pad, the front end and the actuating lever of first connecting rod are articulated, the rear end of first connecting rod is articulated with the upper end of second connecting rod, the lower extreme and the connecting rod seat of second connecting rod are articulated, driving motor is equipped with sharp telescopic link, sharp telescopic link is articulated with the upper portion of second connecting rod.
Preferably, the motor is installed on a motor installation plate, and the motor installation plate is hinged to the driving installation seat.
Preferably, the motor mounting panel includes the horizontal flat plate portion that extends around and the bent portion of buckling downwards from horizontal flat plate portion rear end, the drive mount pad includes the backplate of rear side, the front side of backplate is equipped with articulated ear, the bent portion is articulated with articulated ear through the round pin axle.
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 toward a front side.
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 utility model discloses a technical scheme, following beneficial effect has:
the driving motor adopts a hinged installation mode and is matched with the connecting rod assembly to form a perfect curvilinear motion hinge, and according to the lever principle, the effects of long arm and labor saving can be achieved, so that the load of the driving motor can be reduced.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial structural diagram of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
fig. 4 is a 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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", etc., indicating orientations or positional relationships are based only on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device/element referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus 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, e.g., as meaning fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
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 the kitchen appliance box door driving device shown in fig. 1 to 4, the bottom of the box door is hinged to the box body, and the box door is driven to be opened towards the lower part of the front side by the kitchen appliance box door driving device.
The kitchen appliance box door driving device comprises:
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 can be applied to various appliances such as an oven, etc. which employ a structure in which the door is opened by being turned downward toward the front side.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. 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 (6)
1. Kitchen appliance chamber door drive arrangement arm of force integrated configuration, 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 arm of force integrated configuration is including articulating in the driving motor of drive mount pad, the actuating lever of being connected with the chamber door, be equipped with link assembly between driving motor and the actuating lever, link assembly includes connecting rod seat, first connecting rod and second connecting rod, the connecting rod seat is fixed in the drive mount pad, the front end of first connecting rod is articulated with the actuating lever, the rear end of first connecting rod is articulated with the upper end of second connecting rod, the lower extreme of second connecting rod is articulated with the connecting rod seat, driving motor is equipped with sharp telescopic link, sharp telescopic link is articulated with the upper portion of second connecting rod.
2. The force arm assembly structure of a door driving device of a kitchen appliance according to claim 1, wherein: the motor is installed in the motor mounting panel, the motor mounting panel is articulated with the drive mount pad.
3. The force arm assembly structure of a door driving device of a kitchen appliance according to claim 2, wherein: the motor mounting panel includes the horizontal flat plate portion that extends around and the head of bending downwards from horizontal flat plate portion rear end, the drive mount pad includes the backplate of rear side, the front side of backplate is equipped with articulated ear, the head of bending is articulated with articulated ear through the round pin axle.
4. The moment arm assembly structure of a door driving device of a kitchen appliance according to any one of claims 1 to 3, wherein: the connecting rod seat is connected with a limiting baffle plate for limiting the forward rotation angle of the second connecting rod.
5. The force arm assembly structure of a door driving device of a kitchen appliance according to claim 4, 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.
6. The force arm assembly structure of a door driving device of a kitchen appliance according to claim 5, 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 |
|---|---|---|---|
| CN202021753951.3U CN213359741U (en) | 2020-08-20 | 2020-08-20 | Force arm combined structure of driving device of kitchen appliance box door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021753951.3U CN213359741U (en) | 2020-08-20 | 2020-08-20 | Force arm combined structure of driving device of kitchen appliance box door |
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| CN213359741U true CN213359741U (en) | 2021-06-04 |
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| CN202021753951.3U Active CN213359741U (en) | 2020-08-20 | 2020-08-20 | Force arm combined structure of driving device of kitchen appliance box door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113273889A (en) * | 2021-07-06 | 2021-08-20 | 浙江蓝炬星电器有限公司 | Automatic opening and closing structure for door body of steam box or oven |
-
2020
- 2020-08-20 CN CN202021753951.3U patent/CN213359741U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113273889A (en) * | 2021-07-06 | 2021-08-20 | 浙江蓝炬星电器有限公司 | Automatic opening and closing structure for door body of steam box or oven |
| CN113273889B (en) * | 2021-07-06 | 2022-12-02 | 浙江蓝炬星电器有限公司 | Automatic opening and closing structure for door body of steam box or oven |
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