CN202450908U

CN202450908U - Novel box hinge assembly

Info

Publication number: CN202450908U
Application number: CN2011204813262U
Authority: CN
Inventors: 潘少萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-28
Filing date: 2011-11-28
Publication date: 2012-09-26
Anticipated expiration: 2021-11-28

Abstract

A novel box hinge assembly comprises a support and a door support which are movably connected through a first hinge. The novel box hinge assembly is characterized in that a draw bar is further hinged with a hinge plate of the door support through a second hinge, an idler wheel is arranged on the draw bar, a sliding groove is arranged on the support, the idler wheel slides in the sliding groove, a tension spring is arranged between the top end of the draw bar and the support, and the hinge plate is hinged to the same side of the support and the draw bar. The support is formed by a base, a connection plate and a sliding groove plate which are formed by integrally bending a same plate. A distance is retained between the sliding groove plate and the connection plate in a longitudinally-staggered mode. The sliding groove comprises a location sliding groove and a reset sliding groove, and the two sliding grooves are in transition connection to form a shape of an inverse 7 through circular arcs. The novel box hinge assembly has the advantages that a closed angle is larger than 20 degrees, the support can be stopped at any degrees after the closed angle is larger than 20 degrees, box door switch is smooth and nature, sealing performance is good after the box door is closed, and structure is simple and reliable, production cost is low and the like.

Description

Novel chest hinge assembly

Technical field

The utility model relates to a kind of like electric oven, and the door hinge technical field in the box electrical equipment such as micro-wave oven specifically belongs to a kind of novel chest hinge assembly.

Background technology

At present, in the box electrical equipment of all band doors, like electric oven; Micro-wave oven etc. become household appliances commonly used one of them, electric oven is convenient to use, liked by broad masses; Announce that like Patent Office of the People's Republic of China a utility model name is called: electric oven, the patent No. are that 00260107.9 its structure is said: comprise casing, chamber door, on the said tank ends face at least two guide pillars are arranged; The slot cross-section of said chamber door is a circular arc, and there is the bead of radially extending at its two ends, and empty edge inwall has chute; Have on the chute and corresponding at least two breach of the guide pillar of casing, but have weak point: chamber door can not reset, and opens or closes chamber door by manual work entirely.

And for example Patent Office of the People's Republic of China announces that a utility model name is called: a kind of baking box every articulated mounting, and the patent No. is: 200820188994.4, its structure is said: said door articulated mounting comprises vallecular cavity body, brute spring; rocking arm, Connection Block, on rocking arm, is provided with card and ends structure, and rocking arm off-centre is hinged on an end of vallecular cavity body; the vallecular cavity bottom at this end is provided with groove, and rocking arm passes the groove of vallecular cavity bottom and stretches out the vallecular cavity body, and Connection Block is hinged on the rocking arm near the hinged place of rocking arm and vallecular cavity body; an end of brute spring is connected on the Connection Block, and the other end is connected the other end of vallecular cavity body, and brute spring, Connection Block all place in the vallecular cavity of vallecular cavity body; rocking arm is stressed can to rotate around jointed shaft, and said structure also has reset function, but must chamber door be pushed into when spending less than 15 with the casing angle; could shut automatically, and the active force of perhaps opening user at closing time is bigger, complex structure; cost of production is high, and it is not smooth to close the door, use is inconvenient.

The utility model content

The purpose of the utility model shortcoming that the clothes said structure exists in the Dinke; And provide a kind of close angle at 20 degree and can arbitrarily angled pause after greater than 20 degree, smooth more nature during the switch chamber door, close chamber door after good airproof performance; Chest hinge assembly simple and reliable for structure, that cost of production is low.

The purpose of the utility model is that following mode realizes: a kind of novel chest hinge assembly; Comprise the support and the door frame that flexibly connect through first hinge, it is characterized in that: also be hinged with pull bar through second hinge on the flap of described door frame, pull bar is provided with roller; Offer chute on the support; Roller is arranged in the chute and slides, and an extension spring is arranged between pull bar top and the support, and described flap is hinged on the same side of support and pull bar.

Described support is made up of base and junction plate, coulisse, and the three is formed by same sheet material one bending.

Described base is 90 ° of vertical settings with junction plate.

Vertically stagger greater than the distance of a pull bar thickness between described coulisse and the junction plate.

Described chute comprises positioning runner and resets chute, connects into down " 7 " word shape by arc transition between two chutes.

Described positioning runner and base parallel transverse are provided with, and the chute that resets is provided with for vertical.

Described door frame and the hinged position of first hinge are positioned on the end of door frame, the position deflection door frame other end hinged with second hinge.

The beneficial effect of the utility model is :Have the angle of closing more than 20 degree, and can arbitrarily angled pause after greater than 20 degree, smooth more nature during the switch chamber door, close chamber door after sealing, simple and reliable for structure, advantage such as cost of production is low.

Description of drawings

Fig. 1, Fig. 2 are the utility model structural representation.

Fig. 3 is an A portion structure enlarged drawing among Fig. 1.

Fig. 4 is the utility model user mode sketch map.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further, a kind of novel chest hinge assembly comprises the support and the door frame 6 that flexibly connect through first hinge 8; It is characterized in that: also be hinged with pull bar 1 on the flap 61 of described door frame 6 through second hinge 7; Pull bar 1 is provided with roller 3, offers chute on the support, and roller 3 is arranged in the chute and slides; One extension spring 9 is arranged between pull bar 1 top and the support, and described flap 61 is hinged on the same side of support and pull bar 1.

Described support is made up of base 12 and junction plate 2, coulisse 21, and the three is formed by same sheet material one bending.

Described base 12 is 90 ° of vertical settings with junction plate 2.

Vertically stagger greater than the distance of a pull bar thickness between described coulisse 21 and the junction plate 2.

Described chute comprises that

positioning runner

5 and 5,4 of chute 4, two chutes of resetting connect into down " 7 " word shape by arc transition.

Described positioning runner 5 and base 12 parallel transverse settings, the chute 4 that resets is provided with for vertical.

[0022]Described door frame 6 and first hinge, 8 hinged positions are positioned on the end of door frame 6, are partial to door frame 6 other ends with second hinge, 7 hinged positions.

[0023]Operating principle: the utility model is applicable to the casing of flip-shell up and down, and is as shown in Figure 4, during installation; The base 12 of hinge is installed on the casing 10, and door frame 6 is installed on the chamber door 11, in the time of unpacking 11; Pull chamber door 11, drive door frame 6 and rotate round first hinge 8, pull bar 1 overcomes extension spring 9 pulling force; Drag out roller 3 away from the chute 4 that resets, chamber door is opened.After roller gets in the positioning runner 5, at the pulling force of extension spring 9, reach positioning runner 5 and itself be under the selenodont effect of circular arc indent, when chamber door was not pulled by external force, chamber door can be in arbitrarily angled pause under greater than 20 ° situation.When roller 3 arrives positioning runners 5 and reset arc transition junction between the chute 4; Chamber door 11 is in the critical point of 20 ° of angles, and during less than 20 °, chamber door is under the pulling force of spring like chamber door 11 angles; Roller 3 is pulled in the chute that resets; Produce the effect of closing the door automatically, extension spring simultaneously also keeps certain pulling force, guarantees the leakproofness of closing the door.In addition, in this case, the flap 61 of door frame 6 is hinged on the same side of support and pull bar 1; Flap 61 is arranged to one chip, effectively reduces the thickness of hinge, the also corresponding minimizing of width of the installing hole of therefore on chamber door 11, offering; Help the airtight of chamber door, and aesthetic property.Advantages such as moreover the flap 61 of one chip is simple in structure, is easy to processing, and cost of production is low are suitable for extensively promoting the use of.

Claims

1. novel chest hinge assembly; Comprise the support and the door frame (6) that flexibly connect through first hinge (8); It is characterized in that: also be hinged with pull bar (1) on the flap (61) of described door frame (6) through second hinge (7); Pull bar (1) is provided with roller (3), offers chute on the support, and roller (3) is arranged in the chute and slides; One extension spring (9) is arranged between pull bar (1) top and the support, and described flap (61) is hinged on the same side of support and pull bar (1).

2. novel chest hinge assembly according to claim 1 is characterized in that: described support is made up of base (12) and junction plate (2), coulisse (21), and the three is formed by same sheet material one bending.

3. novel chest hinge assembly according to claim 2 is characterized in that: described base (12) is 90 ° of vertical settings with junction plate (2).

4. novel chest hinge assembly according to claim 2 is characterized in that: vertically stagger greater than the distance of a pull bar thickness between described coulisse (21) and the junction plate (2).

5. novel chest hinge assembly according to claim 1 is characterized in that: described chute comprises positioning runner (5) and the chute that resets (4), and two chutes connect into down " 7 " word shape by arc transition between (5,4).

6. novel chest hinge assembly according to claim 5 is characterized in that: described positioning runner (5) and base (12) parallel transverse setting, the chute that resets (4) is provided with for vertical.

7. novel chest hinge assembly according to claim 1 is characterized in that: described door frame (6) is positioned on the end of door frame (6) with the hinged position of first hinge (8), position deflection door frame (6) other end hinged with second hinge (7).