CN110424867B - Handle-hidden door device - Google Patents

Handle-hidden door device Download PDF

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Publication number
CN110424867B
CN110424867B CN201910728867.1A CN201910728867A CN110424867B CN 110424867 B CN110424867 B CN 110424867B CN 201910728867 A CN201910728867 A CN 201910728867A CN 110424867 B CN110424867 B CN 110424867B
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China
Prior art keywords
groove
door
door body
button
electrode
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CN201910728867.1A
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CN110424867A (en
Inventor
蔡立
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Sheyang County coastal Investment Co.,Ltd.
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Anhui Guandong Technology Co Ltd
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Priority to CN201910728867.1A priority Critical patent/CN110424867B/en
Publication of CN110424867A publication Critical patent/CN110424867A/en
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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
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • 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
    • A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
    • A47J37/0664—Accessories
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B5/00—Handles completely let into the surface of the wing
    • 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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers 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
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves

Abstract

The invention relates to the technical field of oven doors, in particular to a hidden handle type door device, which comprises: the side blowing device comprises a main body, a door body, a hinge, an opening and closing mechanism and a side blowing mechanism; the oven door is characterized in that the left side of the door body is slightly shorter than the left side of the main body, the outer wall of the right side of the door body is provided with a holding position, the holding position is a groove which is formed by the front wall surface to the rear wall surface of the door body and gradually sinks towards the inner wall surface and the rear wall surface of the door body, and the holding position is an arc shape extending towards the center direction of the door body when viewed from the upper side.

Description

Handle-hidden door device
Technical Field
The invention relates to the technical field of oven doors, in particular to a handle-hidden door device.
Background
The temperature requirement of the handle of the existing oven or steam box cooking equipment is high, so that the hand of a user is prevented from being scalded due to overhigh temperature of the handle when the door of the high-temperature cooking equipment is opened or closed, the existing high-temperature cooking equipment generally uses the outward convex open handle, but the outward convex open handle is easy to be scraped with other objects in the carrying or transporting process or collide when a kitchen person walks;
in the in-service use, through the restraint of pulling operating handle complete release door for the fixed frame body for the door can be opened completely immediately, consequently, opens the door completely after cooking heating, and inside high temperature air current is by quick release, directly blows to the user face, causes the potential safety hazard, and is opening the back, because the influence of inside high temperature air current, is difficult to see the state of being cooked the object.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a hidden handle type door apparatus, which achieves the above object by the following means:
a hidden handle door apparatus comprising: the side blowing device comprises a main body, a door body, a hinge, an opening and closing mechanism and a side blowing mechanism;
the main body is a main body of a built-in hollow steam box or oven and is connected with the door body through a hinge;
the left side of the door body is slightly shorter than the left side of the main body, the outer wall of the right side of the door body is provided with a holding position, and the holding position is a groove which is formed by sinking towards the inner wall and the rear wall of the door body from the front wall surface to the rear wall surface of the door body;
the opening and closing mechanism includes: the upper right groove, the lower right groove, the door right bin, the upper button, the upper support shaft, the lower button, the lower support shaft, the upper spring and the lower spring;
the right upper groove is a rectangular groove which penetrates through the upper part of the front wall surface of the right frame of the main body, and a trapezoidal upper extending groove extends downwards from the tail end of the rectangular groove;
the right lower groove is a rectangular groove which penetrates through the lower part of the front wall surface of the right frame of the main body, a trapezoidal lower extension groove extends upwards from the tail end of the rectangular groove, and the length of the bottom edge of the lower extension groove is greater than that of the upper extension groove;
the door right bin is a rectangle with a hollow interior close to the right part of the door body;
the upper button is an L-shaped strip, one end of the L shape of the upper button is provided with a trapezoidal upper bulge, the shape of the trapezoidal upper bulge is the same as that of the right upper groove, the trapezoidal upper bulge is mutually embedded when the door body is opened and closed, and the other end of the L-shaped upper bulge is movably connected to the inner side wall of the right bin groove of the door through an upper support shaft;
the button is pressed down to be the same as the structure of the upper button buckle, one end of the L shape of the button is provided with a trapezoidal lower bulge, the lower right groove is embedded when the door body is opened and closed, the other end of the lower button buckle is movably connected onto the inner side wall of the groove of the right door cabin through a lower supporting shaft, the other end of the L shape of the button and the other end of the upper button buckle are arranged oppositely in the upper and lower directions, and a through hole for accommodating the upper button buckle and the lower button buckle to pass through is formed in the door body of the right door cabin close to the main body direction. A key hole for allowing a finger to press through is arranged in the direction of the door body close to a user;
one end of the upper spring is fixedly connected with the inner wall surface of the L-shaped lower part of the upper button, and the other end of the upper spring is abutted against the wall surface of the right bin of the door;
one end of the lower spring is fixedly connected with the inner wall surface of the L-shaped upper part of the lower button, the other end of the lower spring is abutted against the wall surface of the right bin of the door, and when the door body is closed, the upper spring and the lower spring are under the supporting points of the upper supporting shaft and the lower supporting shaft, so that the upper button buckle and the lower button buckle are always buckled in the upper right groove and the lower right groove;
the side-blowing mechanism includes: the side blowing device comprises a side blowing channel, a fan, a positive electrode, a negative electrode, an electrode groove, a positive movable column, a negative movable column and a pressing spring;
the side-blowing channel is a strip-shaped hole which penetrates through the door body and is diffused and extended towards the front wall of the door body, penetrates through the front wall surface of the door body through a plurality of air suction holes, and a fan is arranged in the channel which is abutted against the air suction holes;
the positive electrode and the negative electrode are cylindrical copper columns and are arranged at the left lower corner of the front wall of the main body;
the electrode grooves are two cylindrical groove holes, are arranged at the left lower corner of the door body and correspond to the positions of the positive electrode and the negative electrode, the diameter of the front end of each electrode groove is slightly larger than that of the positive electrode and the negative electrode, and the diameter of the rear end of each electrode groove is larger than that of the front end of each electrode groove;
the positive movable column and the negative movable column are cylindrical copper columns with the same structure, are communicated with the fan through external electric wires and are arranged at the rear end of the electrode groove, the diameters of the positive movable column and the negative movable column are larger than the front end of the electrode groove, the rear ends of the positive movable column and the negative movable column are respectively provided with a pressing spring, and when the door body is opened by ninety degrees, the positive electrode and the negative electrode are inserted into the electrode groove.
In one embodiment, the middle of the door body is inlaid with temperature-resistant glass.
In one embodiment, the side-blowing channel is a channel with a cross section from large to small.
In one embodiment, the upper supporting shaft is connected with the inner side wall of the groove of the door right bin by a bearing.
In one embodiment, the lower supporting shaft is connected with the inner side wall of the groove of the door right bin by a bearing.
In one embodiment, the upper right groove height is greater than the upper button plus the upper protrusion height.
In one embodiment, the lower right groove height is greater than the sum of the lower button press and the lower protrusion height.
In one embodiment, the trapezoidal protrusion of the upper protrusion and the trapezoidal groove of the upper extension groove are arranged in a triangular, quadrangular or semicircular embedding manner.
In one embodiment, the trapezoidal protrusion of the lower protrusion and the trapezoidal groove of the lower extension groove are arranged in a triangular, quadrangular or semicircular embedding manner.
The invention has the following beneficial effects:
1. the hidden key replaces a visible handle, and when the upper button is pressed, a part of the door is opened, so that the potential safety hazard that high-temperature air flow inside is released quickly and directly blows to the face of a user is solved.
2. When the door is opened by ninety degrees, the circuit is switched on, so that the fan blows off the released hot air flow through the strip-shaped hole, the internal condition of the oven can be observed conveniently, and the direction of the hot air flow is guided.
Drawings
FIG. 1 is an overall schematic view of the present invention.
Fig. 2 is a partially sectional comparative schematic view of the opening and closing mechanism of the present invention.
FIG. 3 is a partially cut-away comparative schematic view of a side-blowing mechanism of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
For more accurate and detailed description, in the description of the present invention, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, a hidden handle type door apparatus includes: the side blowing device comprises a main body 1, a door body 2, a hinge 3, an opening and closing mechanism 4 and a side blowing mechanism 5;
the main body 1 is a main body of a built-in hollow steam box or oven and is connected with the door body 2 through a hinge 3;
the left side of the door body 2 is slightly shorter than the left side of the main body 1, the outer wall of the right side of the door body 2 is provided with a holding position 21, the holding position 21 is a groove which gradually sinks towards the inner wall and the rear wall of the door body 2 from the front wall surface to the rear wall surface of the door body 2, the holding position 21 is an arc shape which extends towards the center direction of the door body 2 when viewed from the upper side and gradually extends towards the door body 2, and a user can conveniently extend a hand into the holding position 21 to toggle the door body;
as shown in fig. 2, the opening/closing mechanism 4 includes: a right upper groove 41, a right lower groove 42, a door right bin 43, an upper button buckle 44, an upper support shaft 45, a lower button buckle 46, a lower support shaft 47, an upper spring and a lower spring;
the right upper groove 41 is a rectangular groove penetrating through the upper part of the front wall surface of the right frame of the main body 1, and a trapezoidal upper extension groove 411 extends downwards from the tail end of the rectangular groove;
the right lower groove 42 is a rectangular groove which penetrates through the lower part of the front wall surface of the right frame of the main body 1, a trapezoidal lower extension groove 421 extends upwards from the tail end of the rectangular groove, and the length of the bottom side of the lower extension groove 421 is greater than that of the upper extension groove 411;
the door right bin 43 is a rectangle with a hollow interior close to the right part of the door body 2;
the upper button buckle 44 is an L-shaped strip, one end of the L shape is provided with a trapezoidal upper bulge 441, the shape of the upper bulge is the same as that of the right upper groove 41, when the door body 2 is opened and closed, the upper bulge is mutually embedded, and the other end of the L shape is movably connected to the inner side wall of the groove of the right door bin 43 through an upper support shaft 45;
the lower button buckle 46 has the same structure as the upper button buckle 44, one end of the L shape is provided with a trapezoidal lower protrusion 461, when the door body 2 is opened and closed, the lower button buckle is embedded with the right lower groove 42, the other end of the lower button buckle 46 is movably connected on the inner side wall of the groove of the door right bin 43 through a lower support shaft 47, the L-shaped other end of the lower button buckle 46 and the other end of the upper button buckle 44 are oppositely arranged in the vertical direction, and the door body 2 of the door right bin 43 close to the main body 1 is provided with a through hole 431 for allowing the upper button buckle 44 and the lower button 46 to pass through. A key hole 432 for allowing a finger to pass therethrough is provided in a direction of the door body 2 close to the user;
one end of the upper spring is fixedly connected with the inner wall surface of the L-shaped lower part of the upper button 44, and the other end of the upper spring is abutted against the wall surface of the right door bin 43;
one end of the lower spring is fixedly connected with the inner wall surface of the L-shaped upper part of the lower button 46, the other end of the lower spring is abutted against the wall surface of the door right bin 43, and when the door body 2 is closed, the upper spring and the lower spring are under the supporting points of the upper supporting shaft 45 and the lower supporting shaft 47, so that the upper button buckle 44 and the lower button buckle 46 are always buckled in the upper right groove 41 and the lower right groove 42;
as shown in fig. 3, the side blow mechanism 5 includes: a side blowing channel 51, a fan 52, a positive electrode 53, a negative electrode 54, an electrode groove 55, a positive movable column 56, a negative movable column 57 and a pressing spring 58;
the side-blowing channel 51 is arranged in a hollow channel in the door body 2, the side-blowing channel 51 is close to the main body 1, is a strip-shaped hole 512 penetrating through the door body 2, is diffused and extended towards the front wall of the door body 2, penetrates through the front wall surface of the door body 2 through a plurality of air suction holes 511, is abutted against the channel of the air suction holes 511, and is provided with a fan 52, and when a circuit is connected, the fan 52 sucks air flow outside the door body 2 into the side-blowing channel 51 and blows out the air flow from the strip-shaped hole 512;
the positive electrode 53 and the negative electrode 54 are cylindrical copper columns and are arranged at the left lower corner of the front wall of the main body 1;
the electrode groove 55 is two cylindrical groove holes, is arranged at the left lower corner of the door body 2 and corresponds to the positions of the positive electrode 53 and the negative electrode 54, the diameter of the front end of the electrode groove 55 is slightly larger than that of the positive electrode 53 and the negative electrode 54, and the diameter of the rear end of the electrode groove 55 is larger than that of the front end;
the positive movable column 56 and the negative movable column 57 are cylindrical copper columns with the same structure, are communicated with the fan 52 through an external electric wire and are arranged at the rear end of the electrode groove 55, the diameters of the positive movable column 56 and the negative movable column 57 are larger than the front end of the electrode groove 55, the rear ends of the positive movable column 56 and the negative movable column 57 are respectively provided with a pressing spring 58, when the door body 2 is opened by ninety degrees, the positive electrode 53 and the negative electrode 54 are inserted into the electrode groove 55 and are abutted against the positive movable column 56 and the negative movable column 57 under the action of the pressing spring 58, and then the fan 52 is communicated through the external electric wire.
Preferably, as an implementation mode, the middle part of the door body 2 is embedded with temperature-resistant glass 22, so that the state in the oven can be observed conveniently.
Preferably, as an implementation mode, the side-blowing passage 51 is provided with a passage with a cross section from large to small, so that the fan 52 sucks in the air to form an accelerated blowing air flow.
As shown in fig. 2, preferably, as an implementation mode, the upper supporting shaft 45 is connected with the inner side wall of the groove of the door right bin 43 by a bearing, so that the rotation resistance is reduced.
Preferably, as an implementation mode, the lower supporting shaft 47 is connected with the inner side wall of the groove of the door right bin 43 by a bearing, so that the rotation resistance is reduced.
Preferably, as an implementation mode, the height of the upper right groove 41 is greater than the height of the upper button buckle 44 and the height of the upper protrusion 441, so that the upper protrusion 441 end of the upper button buckle 44 can be displaced upwards.
Preferably, as an implementation mode, the height of the right lower slot 42 is greater than the height of the lower button 46 plus the height of the lower protrusion 461, so as to facilitate the downward displacement of the lower protrusion 461 end of the lower button 46.
Preferably, as an embodiment, the trapezoidal protrusion of the upper protrusion 441 and the trapezoidal groove of the upper extension groove 411 are configured in a triangular, quadrangular or semicircular embedding manner, so as to increase the application range.
Preferably, as an embodiment, the trapezoidal protrusion of the lower protrusion 461 and the trapezoidal groove of the lower extension groove 421 are configured in a triangular, quadrangular or semicircular embedding manner, so as to increase the application range.
The working principle of the invention is as follows:
firstly, as shown in fig. 2 and 3, when the door needs to be opened, the thumb of the user is placed between the upper button 44 and the lower button 46 in the door body 2, and the remaining four fingers are placed on the arc-shaped part of the holding position 21, so that the door is very suitable for the operation habit of people, when the upper button 44 is pressed down and the holding position 21 is pulled, the upper protrusion 441 is separated from the upper extending groove 411, the door is opened, because the bottom edge of the extension part of the trapezoidal groove of the right lower groove 42 is larger than the length of the extension groove of the right upper groove 41, the lower button 46 runs to the waist edge of the extension part of the trapezoidal groove of the right lower groove 42 and is blocked, the door can only be opened partially, and the air flow in the oven is.
Secondly, when the door needs to be opened quickly, the thumb presses the space between the upper button buckle 44 and the lower button buckle 46, so that the upper button buckle 44 and the lower button buckle 46 are pressed simultaneously, the upper protrusion 441 is separated from the upper extension groove 411, the lower protrusion 461 is separated from the lower extension groove 421, and the door is opened quickly, thereby realizing the effects of two-stage opening and quick opening.
And thirdly, when the door is opened by ninety degrees, the positive electrode 53 and the negative electrode 54 are inserted into the electrode slot 55, are abutted against the positive movable column 56 and the negative movable column 57, and raise the low-voltage positive and negative power supply in the oven to the fan 52, the fan 52 sucks the air flow outside the oven into the side blowing channel 51, and the air flow is ejected from the strip-shaped hole 512, forms ninety degrees with the opening part of the oven main body 1, effectively blows the hot air flow to the right side, and is favorable for observing the inside of the oven main body 1 or taking out the cooked object.

Claims (9)

1. A hidden handle door apparatus comprising: the side blowing door comprises a main body (1), a door body (2), a hinge (3), an opening and closing mechanism (4) and a side blowing mechanism (5);
the main body (1) is a main body of a built-in hollow steam box or oven and is connected with the door body (2) through a hinge (3);
the left side of the door body (2) is slightly shorter than the left side of the main body (1), the outer wall of the right side of the door body (2) is provided with a holding position (21), and the holding position (21) is a groove which is formed by gradually sinking towards the inner wall and the rear wall of the door body (2) from the front wall to the rear wall of the door body (2);
the method is characterized in that:
the opening/closing mechanism (4) includes: a right upper groove (41), a right lower groove (42), a door right bin (43), an upper button (44), an upper support shaft (45), a lower button (46), a lower support shaft (47), an upper spring and a lower spring;
the right upper groove (41) is a rectangular groove which penetrates through the upper part of the front wall surface of the right frame of the main body (1), and a trapezoidal upper extending groove (411) extends downwards from the tail end of the rectangular groove;
the right lower groove (42) is a rectangular groove which penetrates through the lower part of the front wall surface of the right frame of the main body (1), the tail end of the rectangular groove upwards extends to form a trapezoidal lower extension groove (421), and the length of the bottom side of the lower extension groove (421) is greater than that of the bottom side of the upper extension groove (411);
the door right bin (43) is hollow in the rectangular shape close to the right part of the door body (2);
the upper button (44) is an L-shaped strip, one end of the L shape is provided with a trapezoidal upper bulge (441), the shape of the trapezoidal upper bulge is the same as that of the right upper groove (41), the trapezoidal upper bulge and the right upper groove are mutually embedded when the door body (2) is opened and closed, and the other end of the trapezoidal upper bulge is movably connected to the inner side wall of the groove of the right door bin (43) through an upper supporting shaft (45);
the lower button (46) and the upper button (44) are the same in structure, one end of the L shape is provided with a trapezoidal lower bulge (461), the trapezoidal lower bulge is mutually embedded with the right lower groove (42) when the door body (2) is opened and closed, the other end of the lower button (46) is movably connected to the inner side wall of the groove of the door right bin (43) through a lower support shaft (47), the L-shaped other end of the lower button (46) and the other end of the upper button (44) are oppositely arranged in the vertical direction, and the door body (2) of the door right bin (43) close to the main body (1) is provided with a through hole (431) for the upper button (44) and the lower button (46) to pass through; a key hole (432) for allowing a finger to press through is arranged in the direction of the door body (2) close to a user;
one end of the upper spring is fixedly connected with the inner wall surface of the L-shaped lower part of the upper button (44), and the other end of the upper spring is abutted against the wall surface of the right door bin (43);
one end of the lower spring is fixedly connected with the inner wall surface of the L-shaped upper part of the lower pressing button (46), the other end of the lower spring abuts against the wall surface of the right door bin (43), and when the door body (2) is closed, the upper spring and the lower spring are under the supporting points of the upper supporting shaft (45) and the lower supporting shaft (47), so that the upper pressing button (44) and the lower pressing button (46) are always buckled in the right upper groove (41) and the right lower groove (42);
the side blowing mechanism (5) comprises: the device comprises a side blowing channel (51), a fan (52), a positive electrode (53), a negative electrode (54), an electrode groove (55), a positive movable column (56), a negative movable column (57) and a pressing spring (58);
the side-blowing channel (51) is arranged in a hollow channel in the door body (2), the side-blowing channel (51) is close to the main body (1), is a strip-shaped hole (512) penetrating through the door body (2), is diffused and extended towards the front wall of the door body (2), penetrates through the front wall surface of the door body (2) through a plurality of air suction holes (511), and a fan (52) is arranged in the channel abutting against the air suction holes (511);
the positive electrode (53) and the negative electrode (54) are cylindrical copper cylinders and are arranged at the left lower corner of the front wall of the main body (1);
the electrode grooves (55) are two cylindrical groove holes, are arranged at the lower left corner of the door body (2) and correspond to the positions of the positive electrode (53) and the negative electrode (54), the diameter of the front end of the electrode groove (55) is slightly larger than that of the positive electrode (53) and the negative electrode (54), and the diameter of the rear end of the electrode groove (55) is larger than that of the front end of the electrode groove;
positive movable post (56) and negative movable post (57) are the cylinder copper post that the structure is the same, communicate fan (52) through outside electric wire, the setting is in electrode trough (55) rear end, positive movable post (56) and negative movable post (57) diameter are greater than electrode trough (55) front end, and all be provided with at the rear end of positive movable post (56) and negative movable post (57) and support pressure spring (58), when door body (2) opened ninety degrees, positive electrode (53) and negative electrode (54) insert in electrode trough (55), under the effect that supports pressure spring (58), with positive movable post (56) and negative movable post (57) butt, and communicate fan (52) through outside electric wire.
2. A hidden handle door apparatus as claimed in claim 1, wherein: the middle part of the door body (2) is embedded with temperature-resistant glass (22).
3. Door arrangement according to claim 2, characterized in that the side blow channel (51) is arranged as a channel with a cross-section that increases from large to small.
4. A handle concealed door apparatus according to claim 3, wherein: and the upper supporting shaft (45) is connected with the inner side wall of the groove of the door right bin (43) by adopting a bearing.
5. The hidden handle door apparatus as claimed in claim 4, wherein: and the lower support shaft (47) is connected with the inner side wall of the groove of the door right bin (43) by adopting a bearing.
6. The hidden handle door apparatus as claimed in claim 5, wherein: the height of the upper right groove (41) is larger than the sum of the height of the upper button (44) and the height of the upper bulge (441).
7. A hidden handle door apparatus as claimed in claim 6, wherein: the height of the right lower groove (42) is greater than the sum of the height of the lower button (46) and the height of the lower protrusion (461).
8. A hidden handle door apparatus as claimed in claim 7, wherein: the trapezoidal protrusion of the upper protrusion (441) and the trapezoidal groove of the upper extension groove (411) are arranged in a trilateral, quadrilateral or semicircular embedding mode.
9. A hidden handle door apparatus as claimed in claim 8, wherein: the trapezoidal protrusion of the lower protrusion (461) and the trapezoidal groove of the lower extension groove (421) are arranged in a trilateral, quadrilateral or semicircular embedding mode.
CN201910728867.1A 2019-08-09 2019-08-09 Handle-hidden door device Active CN110424867B (en)

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CN110424867B true CN110424867B (en) 2020-09-01

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Publication number Priority date Publication date Assignee Title
CN111493687A (en) * 2020-05-26 2020-08-07 三幸机械(上海)有限公司 Oven door and oven comprising same

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* Cited by examiner, † Cited by third party
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CN1566760A (en) * 2003-06-30 2005-01-19 乐金电子(天津)电器有限公司 Opening and closing device for microwave oven door
CN1942712A (en) * 2004-03-05 2007-04-04 松下电器产业株式会社 Door opening/closing part of heating device
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