CN109653621A - A kind of oven hinge of Multiple-Equilibrium door body weight - Google Patents
A kind of oven hinge of Multiple-Equilibrium door body weight Download PDFInfo
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- CN109653621A CN109653621A CN201811477861.3A CN201811477861A CN109653621A CN 109653621 A CN109653621 A CN 109653621A CN 201811477861 A CN201811477861 A CN 201811477861A CN 109653621 A CN109653621 A CN 109653621A
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- Prior art keywords
- connecting rod
- door body
- oven
- limit
- door
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- 230000037396 body weight Effects 0.000 title claims abstract description 28
- 238000003032 molecular docking Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
-
- 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
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
-
- 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
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1269—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
-
- 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)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- General Engineering & Computer Science (AREA)
- Hinges (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The present invention relates to oven hinge technical fields, it discloses a kind of oven hinges of Multiple-Equilibrium door body weight, including door body attachment beam, cabinet body linking arm, one end of the door body attachment beam and one end of the cabinet body linking arm are realized by central pin shaft relatively rotates connection, the pulling assembly for tensing the cabinet body linking arm is provided in the door body attachment beam, the pulling assembly includes the first connecting rod, second connecting rod, third connecting rod and tension spring of successively adjacent connection；Wherein, it is provided with limit shaft on first connecting rod, limit sliding chutes are provided on door body attachment beam, the limit sliding chutes include respectively arranged curved shape limit sliding chutes and linear limit sliding chutes, and the spindle nose of the limit shaft is positioned in the curved shape limit sliding chutes；Friction block is installed on the third connecting rod, rubbing surface is provided on the friction block, the rubbing surface is in contact with the door body attachment beam.The invention enables the opening and closing of oven door operation is more convenient, reliable.
Description
Technical field
The present invention relates to oven hinge technical fields, and in particular to a kind of oven hinge of Multiple-Equilibrium door body weight.
Background technique
Oven is a kind of electric appliance for toasting food or drying product.Oven hinge is then to be used to connect oven in oven
A kind of connection component of door and oven cabinet body.
In the prior art, typical oven hinge includes the bottom for connecting the swing arm of oven door, connecting oven cabinet body
Seat, swing arm is hinged with pedestal, while spring and pull rod are additionally provided between swing arm and pedestal, and spring is socketed on pull rod,
Pull rod transmission connection relies on the pulling force or elastic force of spring on pedestal and swing arm, come real by the way of torsion drawing
The opening and closing of existing oven door.When unlatching, pulling open oven door can be elongated or compressed spring, realize that oven door is opened；When closing, only need
Oven door is decontroled, oven door can be closed because of the reset response of spring on oven cabinet.
Oven in the prior art has the following problems when in use:
First, for the leakproofness of oven, generally use pulling force or the stronger spring of elastic force, cause oven door open or
It is relatively elaborate when closing.
Second, using spring, the drive mechanism of pull rod, when operation, is easy to make pull rod and pedestal friction, and noise is big, and reduces
The stability of oven rotation.
Third, oven door use state limitation, that is, or can only fully open or completely close, it is difficult to according to
Practical application and oven door is arbitrarily stopped, influencing using effect.
4th, oven door when closed often due to the reset response of elasticity and larger impact sound occurs with oven cabinet, make an uproar
Sound is big；Alternatively, oven door is opened certainly quickly when opening, since oven door gravity is heavier, it is easily damaged the other of oven
Transmission parts influence the normal use of oven.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of oven of Multiple-Equilibrium door body weight hinges
Chain, so that the opening and closing operation of oven door is more convenient, reliable.Specific technical solution is as follows:
A kind of oven hinge of Multiple-Equilibrium door body weight, including for connecting oven door door body attachment beam, for connecting
The cabinet body linking arm of oven cabinet body is connect, one end of the door body attachment beam and one end of the cabinet body linking arm pass through central pin shaft
It realizes and relatively rotates connection, the pulling assembly for tensing the cabinet body linking arm is provided in the door body attachment beam, it is described
Pulling assembly includes the first connecting rod, second connecting rod, third connecting rod and tension spring of successively adjacent connection；
Wherein, the first connecting rod is connected by the first hinged shaft with the cabinet body linking arm, and the second connecting rod passes through
Second hinged shaft is connected with the first connecting rod, and the third connecting rod is connected by third hinged shaft with the second connecting rod, institute
One end connection third connecting rod, the other end for stating tension spring are fixed on the other end of the door body attachment beam；
Wherein, it is provided with limit shaft on the first connecting rod, limit sliding chutes, the limit are provided on the door body attachment beam
Position sliding slot includes respectively arranged curved shape limit sliding chutes and linear limit sliding chutes, and the spindle nose of the limit shaft is positioned at described
In curved shape limit sliding chutes, the spindle nose of the third hinged shaft is positioned in the linear limit sliding chutes；Wherein, the curved shape
One section of locking sliding slot and oven door when limit sliding chutes include oven door closing for locking oven door are roasting for balancing after opening
One section of balance sliding slot of chamber door weight, and the locking sliding slot is obliquely installed relative to the linear limit sliding chutes；
Wherein, friction block is installed on the third connecting rod, is provided with rubbing surface on the friction block, the rubbing surface with
The door body attachment beam is in contact.
In the technical solution of above-mentioned oven hinge, connected by the way that first connecting rod, second connecting rod, third are arranged in pulling assembly
The combined connecting structure of bar and tension spring, and limit sliding chutes (including the curved shape limit sliding chutes of three link motion tracks of control
With linear limit sliding chutes), following functions may be implemented:
First is that the spindle nose of limit shaft is located at inclination and sets in one section of working range (such as 0~15 °) that oven door has just been opened
In the locking sliding slot set, its one side will overcome the pulling force of tension spring and the resistance of friction block when opening oven door, on the other hand want
Overcome what is be obliquely installed to lock sliding slot for the resistance of the limit shaft, it is therefore desirable to biggish opening force, if at oven door
In the lesser position of opening angle, then oven door has the function of the closing that automatically resets.
Second is that limit shaft enters balance from locking sliding slot after oven door is opened to certain angle (such as 15~70 °)
In sliding slot, the torque that the self weight of oven door generates is increasing, while tension spring is gradually elongated, pulling force is increasing therefore roasting
The torque that the torque and pulling assembly that the self weight of chamber door generates generate oven door reaches balance, and oven door is stopped automatically
Stay in any position.
Third is that opening in oven door to close to after completely open angle (such as 70~90 °), the self weight generation of oven door
Torque be greater than the torque that generates to oven door of pulling assembly so that oven door automatic fully-open.
Wherein, the balance sliding slot shape in pulling assembly is curve shape, can be according to oven door in different open positions
The frictional force of door body weight torque, the pulling force of tension spring and friction block caused by setting carries out Multiple-Equilibrium design, above-mentioned to realize
Automatic stop function and automatic fully-open function of the oven door in different location.
One of as a preferred solution of the present invention, the friction block is rotatably connected on the third connecting rod.
The rotatable setting of friction block, can well adapt to the third in oven door opening process in above-mentioned pulling assembly
Change in location of the connecting rod relative to door body attachment beam, to improve the service life of friction block.
As a preferred solution of the present invention two, one section of balance sliding slot is docked with one section of locking sliding slot
Place is provided with turn.
It is turned round by being arranged in balance sliding slot with the place of docking for locking sliding slot, oven door can be formed in small opening angle
The automatic stacking area to automatically reset when closing area and larger opening angle.
As a preferred solution of the present invention three, it is respectively arranged on the spindle nose of the limit shaft, the spindle nose of third hinged shaft
Sliding sleeve, the outer circle of the sliding sleeve and the limit sliding chutes are slidably connected.
As a preferred solution of the present invention four, the door body attachment beam includes connection beam body and is mounted on the connection
Sliding chute seat in beam body is provided with the limit sliding chutes on the sliding chute seat.
The above-mentioned combined connection component that door body attachment beam is designed as to connection beam body and sliding chute seat, can significantly facilitate door body
The manufacture of attachment beam.
As a preferred solution of the present invention five, first positioned at first hinged shaft one end on the first connecting rod connects
Club head position has cam structure, and the cam includes the one section of cam arc surface and a nose of cam being disposed adjacent,
The central coaxial of the center of arc of the cam arc surface and first hinged shaft, the cam arc surface and the cam lobe
A groove is formed between portion, positive stop hook is provided on the cabinet body linking arm, and the head of the positive stop hook is mutually fitted with the groove
Match.
It is furthermore preferred that the arc chord angle formed between its circular arc both ends of one section of cam arc surface on the cam be 50~
60°。
It is above-mentioned that in first connecting rod head position, cam structure is set, and it is provided with positive stop hook on cabinet body linking arm, it limits
Locking when position hook can make oven door close is more reliable, and the setting of cam arc surface ensure that oven door can open
Larger angle.
As a preferred solution of the present invention six, limit plate is equipped on the cabinet body linking arm, is set on the limit plate
It is equipped with the positive stop hook.
Wherein, the limit plate is fixed together with the cabinet body linking arm by rivet and riveting mouth.
As a preferred solution of the present invention seven, the connection beam body, sliding chute seat, limit plate, first connecting rod, third connect
Bar all has double panel structures, and double wallboards include a pair of spaced parallel flat.
Above-mentioned connection beam body, sliding chute seat, limit plate, first connecting rod, third connecting rod are made using the design of double panel structures
Obtain oven hinge has preferable symmetry in overall structure, while also improving the integral strength of oven hinge.
In the present invention, the both ends of the tension spring pass through the attachment beam master in tension spring connecting pin and the door body attachment beam respectively
Body and the third connecting rod are connected.
The beneficial effects of the present invention are:
First, the oven hinge of a kind of Multiple-Equilibrium door body weight of the invention, by the way that first is arranged in pulling assembly
Connecting rod, second connecting rod, third connecting rod and tension spring combined connecting structure, and control three link motion tracks limit sliding chutes
(including curved shape limit sliding chutes and linear limit sliding chutes), so that oven door is automatic multiple with having in smaller opening angle
Position closing function, have the function of in larger opening angle to stop automatically, when close to completely open angle with automatically complete
Full opening function, to realize pulling assembly for the Multiple-Equilibrium of oven door weight.
Second, a kind of oven hinge of Multiple-Equilibrium door body weight of the invention, the balance sliding slot shape in pulling assembly
For curve shape, according to the pulling force of oven door door body weight torque, tension spring caused by different open positions and can rub
The frictional force of cleaning block carries out Multiple-Equilibrium design, to realize automatic stop function of the above-mentioned oven door in different location and automatic
Fully open function.
Third, a kind of oven hinge of Multiple-Equilibrium door body weight of the invention, friction block can be rotated in pulling assembly
Setting, can well adapt to change in location of the third connecting rod relative to door body attachment beam in oven door opening process, thus
Improve the service life of friction block.
4th, the oven hinge of a kind of Multiple-Equilibrium door body weight of the invention, by balance sliding slot and locking sliding slot
Docking at be arranged and turn round, when can form oven door automatically reseting in small opening angle and closing area and larger opening angle
Automatic stacking area.
5th, a kind of oven hinge of Multiple-Equilibrium door body weight of the invention, door body attachment beam is designed as attachment beam master
The combined connection component of body and sliding chute seat can significantly facilitate the manufacture of door body attachment beam.
6th, a kind of oven hinge of Multiple-Equilibrium door body weight of the invention is arranged convex in first connecting rod head position
Wheel construction, and positive stop hook is provided on cabinet body linking arm, locking when positive stop hook can make oven door close more may be used
It leans on, the setting of cam arc surface ensure that oven door can open larger angle.
7th, a kind of oven hinge of Multiple-Equilibrium door body weight of the invention, connection beam body, sliding chute seat, limit plate,
First connecting rod, third connecting rod use the design of double panel structures, so that oven hinge has preferably symmetrically in overall structure
Property, while also improving the integral strength of oven hinge.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the oven hinge of Multiple-Equilibrium door body weight of the invention；
Fig. 2 is the structural schematic diagram of the oven hinge after disassembling door body attachment beam in Fig. 1；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 is the attachment structure schematic diagram of pulling assembly and sliding chute seat；
Fig. 5 is the structural schematic diagram of door body attachment beam；
Fig. 6 is the configuration schematic diagram of Fig. 1.
In figure: 1, door body attachment beam, 2, cabinet body linking arm, 3, central pin shaft, 4, pulling assembly, 5, first connecting rod, 6,
Two connecting rods, 7, third connecting rod, 8, tension spring, the 9, first hinged shaft, the 10, second hinged shaft, 11, third hinged shaft, 12, limit sliding chutes, 13, song
Linear limit sliding chutes, 14, linear limit sliding chutes, 15, locking sliding slot, 16, balance sliding slot, 17, friction block, 18, turn, 19,
Sliding sleeve, 20, connection beam body, 21, sliding chute seat, 22, cam arc surface, 23, nose of cam, 24, groove, 25, positive stop hook,
26, limit plate, 27, tension spring connecting pin, 28, limit shaft, 29, the center of rotation of friction block, 30, rivet, 31, riveting mouth.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
It is as shown in Figures 1 to 6 a kind of embodiment of the oven hinge of Multiple-Equilibrium door body weight of the invention, including is used for
Connect oven door door body attachment beam 1, the cabinet body linking arm 2 for connecting oven cabinet body, one end of the door body attachment beam 1 with
One end of the cabinet body linking arm 2 is realized by central pin shaft 3 relatively rotates connection, and setting is useful in the door body attachment beam 1
In the pulling assembly 4 for tensing the cabinet body linking arm 2, the pulling assembly 4 includes the successively first connecting rod 5 of adjacent connection, the
Two connecting rods 6, third connecting rod 7 and tension spring 8；
Wherein, the first connecting rod 5 is connected by the first hinged shaft 9 with the cabinet body linking arm 2, the second connecting rod 6
It is connected by the second hinged shaft 10 with the first connecting rod 5, the third connecting rod 7 passes through third hinged shaft 11 and the second connecting rod
6 are connected, and one end connection third connecting rod 7, the other end of the tension spring 8 are fixed on the other end of the door body attachment beam 1；
Wherein, it is provided with limit shaft 28 on the first connecting rod 5, is provided with limit sliding chutes 12 on the door body attachment beam 1,
The limit sliding chutes 12 include respectively arranged curved shape limit sliding chutes 13 and linear limit sliding chutes 14, the limit shaft 28
Spindle nose is positioned in the curved shape limit sliding chutes 13, and the spindle nose of the third hinged shaft 11 is positioned at the linear limit sliding chutes
In 14；Wherein, the curved shape limit sliding chutes 13 include when oven door is closed for locking one section of locking sliding slot 15 of oven door
For balancing one section of balance sliding slot 16 of oven door weight after opening with oven door, and the locking sliding slot 15 is relative to described straight
Linear limit sliding chutes 14 are obliquely installed；
Wherein, friction block 17 is installed on the third connecting rod 7, is provided with rubbing surface on the friction block 17, it is described to rub
Wiping face is in contact with the door body attachment beam 1.
In the technical solution of above-mentioned oven hinge, by the way that first connecting rod 5, second connecting rod 6, the are arranged in pulling assembly 4
The combined connecting structure of three-link 7 and tension spring 8, and (including the curved shape of limit sliding chutes 12 of three link motion tracks of control
Limit sliding chutes 13 and linear limit sliding chutes 14), following functions may be implemented:
First is that the spindle nose of limit shaft 28 is located at inclination in one section of working range (such as 0~15 °) that oven door has just been opened
In the locking sliding slot 15 of setting, its one side will overcome the pulling force of tension spring 8 and the resistance of friction block 17 when opening oven door, another
Aspect will overcome what is be obliquely installed to lock sliding slot 15 for the resistance of the limit shaft 28, it is therefore desirable to biggish opening force, such as
Fruit oven door is in the lesser position of opening angle, then oven door has the function of the closing that automatically resets.
Second is that limit shaft enters flat from locking sliding slot 15 after oven door is opened to certain angle (such as 15~70 °)
It weighing in sliding slot 16, the torque that the self weight of oven door generates is increasing, while tension spring 8 is gradually elongated, pulling force is increasing, because
The torque and the torque that generates to oven door of pulling assembly 4 that the self weight of this oven door generates reach balance, so that oven door can be with
It is automatic to stop at an arbitrary position.
Second is that opening in oven door to close to after completely open angle (such as 70~90 °), the self weight generation of oven door
Torque be greater than the torque that generates to oven door of pulling assembly 4 so that oven door automatic fully-open.
Wherein, 16 shape of balance sliding slot in pulling assembly 4 is curve shape, can be according to oven door in different unlatchings
The frictional force of door body weight torque, the pulling force of tension spring 8 and friction block 17 caused by position carries out Multiple-Equilibrium design, to realize
Automatic stop function and automatic fully-open function of the above-mentioned oven door in different location.
One of preferred embodiment as the present embodiment, the friction block 17 are rotatably connected on the third connecting rod 7.
The rotatable setting of friction block 17, can well adapt in oven door opening process in above-mentioned pulling assembly 4
Change in location of the third connecting rod 7 relative to door body attachment beam 1, to improve the service life of friction block 17.
Two of preferred embodiment as the present embodiment, one section of balance sliding slot 16 and one section of locking sliding slot 15
Docking at be provided with turn 18.
By the way that oven door can be formed in small unlatching in balance sliding slot 16 and the place's of the docking setting turn 18 for locking sliding slot 15
Automatically reseting when angle closes automatic stacking area when area and larger opening angle.
Three of preferred embodiment as the present embodiment, on the spindle nose of the limit shaft 28, the spindle nose of third hinged shaft 11 respectively
It is provided with sliding sleeve 19, the outer circle of the sliding sleeve 19 and the limit sliding chutes 12 are slidably connected.
Four of preferred embodiment as the present embodiment, the door body attachment beam 1 include connection beam body 20 and are mounted on institute
The sliding chute seat 21 in connection beam body 20 is stated, is provided with the limit sliding chutes 12 on the sliding chute seat 21.
The above-mentioned combined connection component that door body attachment beam 1 is designed as to connection beam body 20 and sliding chute seat 21, can be big generous
The manufacture of side door body attachment beam 1.
Five of preferred embodiment as the present embodiment, positioned at the of described first hinged shaft, 9 one end on the first connecting rod 5
One connecting rod, 5 head position has cam structure, and the cam includes the one section of cam arc surface 22 and a cam being disposed adjacent
Lug boss 23, the central coaxial of the center of arc of the cam arc surface 22 and first hinged shaft 9, the cam arc surface 22
A groove 24 is formed between the nose of cam 23, and positive stop hook 25, the positive stop hook are provided on the cabinet body linking arm 2
25 head is adapted with the groove 24.
It is furthermore preferred that the arc chord angle formed between its circular arc both ends of one section of cam arc surface 22 on the cam be 50~
60°。
It is above-mentioned that in 5 head position of first connecting rod, cam structure is set, and positive stop hook 25 is provided on cabinet body linking arm 2,
Locking when its positive stop hook 25 can make oven door close is more reliable, and the setting of cam arc surface 22 ensure that oven door
Larger angle can be opened.
Six of preferred embodiment as the present embodiment are equipped with limit plate 26, the limit plate on the cabinet body linking arm 2
The positive stop hook 25 is provided on 26.
Wherein, the limit plate 26 is fixed together with the cabinet body linking arm 2 by rivet 30 and riveting mouth 31.
Seven of preferred embodiment as the present embodiment, the connection beam body 20, sliding chute seat 21, limit plate 26, first connect
Bar 5, third connecting rod 7 all have double panel structures, and double wallboards include a pair of spaced parallel flat.
Above-mentioned connection beam body 20, sliding chute seat 21, limit plate 26, first connecting rod 5, third connecting rod 7 are using double panel structures
Design so that oven hinge has preferable symmetry in overall structure, while also improving the whole strong of oven hinge
Degree.
In the present embodiment, the both ends of the tension spring 8 pass through the company in tension spring connecting pin 27 and the door body attachment beam 1 respectively
It connects beam body 20 and the third connecting rod 7 is connected.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of oven hinge of Multiple-Equilibrium door body weight, which is characterized in that including the door body connection for connecting oven door
One end of beam, the cabinet body linking arm for connecting oven cabinet body, one end of the door body attachment beam and the cabinet body linking arm is logical
It crosses central pin shaft and realizes relative rotation connection, the tension for tensing the cabinet body linking arm is provided in the door body attachment beam
Component, the pulling assembly include the first connecting rod, second connecting rod, third connecting rod and tension spring of successively adjacent connection；
Wherein, the first connecting rod is connected by the first hinged shaft with the cabinet body linking arm, and the second connecting rod passes through second
Hinged shaft is connected with the first connecting rod, and the third connecting rod is connected by third hinged shaft with the second connecting rod, the drawing
One end connection third connecting rod, the other end of spring are fixed on the other end of the door body attachment beam；
Wherein, it is provided with limit shaft on the first connecting rod, limit sliding chutes are provided on the door body attachment beam, the limit is slided
Slot includes respectively arranged curved shape limit sliding chutes and linear limit sliding chutes, and the spindle nose of the limit shaft is positioned at the curve
In shape limit sliding chutes, the spindle nose of the third hinged shaft is positioned in the linear limit sliding chutes；Wherein, the curved shape limit
One section of locking sliding slot and oven door when sliding slot includes oven door closing for locking oven door are used to balance oven door after opening
One section of balance sliding slot of weight, and the locking sliding slot is obliquely installed relative to the linear limit sliding chutes；
Wherein, friction block is installed on the third connecting rod, is provided with rubbing surface on the friction block, the rubbing surface with it is described
Door body attachment beam is in contact.
2. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 1, which is characterized in that the friction block
It is rotatably connected on the third connecting rod.
3. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 1, which is characterized in that described one section
Balance sliding slot is provided with turn with the place of docking of one section of locking sliding slot.
4. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 1, which is characterized in that the limit shaft
Spindle nose, third hinged shaft spindle nose on be respectively arranged with sliding sleeve, the outer circle of the sliding sleeve and the limit sliding chutes are slidably matched company
It connects.
5. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 1, which is characterized in that the door body connects
Connecing beam includes the sliding chute seat for connecting beam body and being mounted in the connection beam body, is provided with the limit on the sliding chute seat
Position sliding slot.
6. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 5, which is characterized in that described first
First connecting rod head position on connecting rod positioned at first hinged shaft one end has cam structure, and the cam includes being disposed adjacent
One section of cam arc surface and a nose of cam, the center of the center of arc of the cam arc surface and first hinged shaft
Coaxially, a groove is formed between the cam arc surface and the nose of cam, is provided with limit on the cabinet body linking arm
Hook, the head of the positive stop hook are adapted with the groove.
7. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 6, which is characterized in that on the cam
Its circular arc both ends of one section of cam arc surface between the arc chord angle that is formed be 50~60 °.
8. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 6, which is characterized in that the cabinet body connects
It connects and is equipped with limit plate on arm, the positive stop hook is provided on the limit plate.
9. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 8, which is characterized in that the limit plate
It is fixed together with the cabinet body linking arm by rivet and riveting mouth.
10. a kind of oven hinge of Multiple-Equilibrium door body weight according to claim 9, which is characterized in that the connection
Beam body, sliding chute seat, limit plate, first connecting rod, third connecting rod all have double panel structures, and double wallboards include a pair of of interval
The parallel flat of setting.
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| CN201811477861.3A CN109653621B (en) | 2018-12-05 | 2018-12-05 | Oven hinge of multiple balanced door body weight |
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| CN201811477861.3A CN109653621B (en) | 2018-12-05 | 2018-12-05 | Oven hinge of multiple balanced door body weight |
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| CN109653621B CN109653621B (en) | 2024-01-30 |
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| CN110259307A (en) * | 2019-05-30 | 2019-09-20 | 江苏星徽精密科技有限公司 | A kind of oven hinge with friction balance mechanism |
| 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 |
| CN115559628A (en) * | 2022-10-11 | 2023-01-03 | 江苏玖星精密科技集团有限公司 | Heavy-load hinge for steaming and baking box |
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|---|---|
| CN109653621B (en) | 2024-01-30 |
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