CN212927480U

CN212927480U - Gravity automatic closing type single-rail hinge

Info

Publication number: CN212927480U
Application number: CN202022106587.8U
Authority: CN
Inventors: 胡涛; 杨文明; 张翔; 徐德雅
Original assignee: Jiangsu Xinghui Precision Technology Co ltd
Current assignee: Jiangsu Jiuxing Precision Technology Group Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-04-09
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a single track hinge of automatic closed type of gravity, including mounting panel and door groove piece, seted up the rotation groove in the door groove piece, dead axle piece hole and axle slip bending groove have been seted up respectively to the both sides of rotation groove tank bottom, interval vertical fixation has gasket axle and sliding shaft around on the top surface of mounting panel, the top slip cartridge of sliding shaft is in axle slip bending groove, the horizontal rotation cover is equipped with the connecting plate on the pole wall of gasket axle, the outside end top surface of connecting plate rotates and is fixed with the dead axle, the top slip cartridge of dead axle is in dead axle piece hole, the bottom surface of axle slip bending groove sets up slotted slope, joint gravity slider between slot slope top and the rotation inslot wall, the top surface of gravity slider is equipped with the gravity inclined plane that slides and meets with the slot slope; the utility model discloses cooperation single track hinge's structural feature realizes the self-closing to the door body through gravitational potential energy, has simplified single track hinge's overall structure size, has the cost advantage more, and installation space occupies for a short time.

Description

Gravity automatic closing type single-rail hinge

Technical Field

The utility model particularly relates to a single track hinge specifically is an automatic closed type single track hinge of gravity.

Background

The single-rail hinge generally refers to a hinge structure capable of realizing sectional opening and closing of a door body, and generally comprises a bending guide rail capable of driving the door body to open and close in sections, although the general single-rail hinge is provided with door opening actions in different action forms, the single-rail hinge is generally opened and closed manually, and particularly for application scenes of refrigerators, in order to prevent the refrigerator door from being opened for a long time and consuming electricity, an automatic door closing mechanism is generally arranged, the general automatic door closing mechanism usually adopts a return mechanism of a damping or a spring, potential energy is stored when the refrigerator door is opened under stress, and then the door is closed by pulling back in a transverse direction, but the return mechanisms are generally difficult to be combined with the structure of the single-rail hinge, an auxiliary mechanism is usually additionally arranged, the installation space is occupied, the structure is complicated, the manufacturing cost is increased.

Therefore, in response to such problems, there is a need for a single track hinge that can be incorporated into a single track hinge structure to provide automatic door closing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic closed single track hinge of gravity to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a gravity automatic closing type single-rail hinge comprises a mounting plate and a door groove block, wherein the mounting plate is horizontally mounted at the bottom of a hinged side edge of a box body, the door groove block is used for being mounted at the bottom of the hinged side edge of a door body, a rotating groove is formed in the door groove block, a fixed shaft block hole and a shaft sliding bending groove are respectively formed in two sides of the bottom of the rotating groove, a gasket shaft and a sliding shaft are vertically fixed on the top surface of the mounting plate at the front and back intervals, the top end of the sliding shaft is inserted into the shaft sliding bending groove in a sliding mode, a connecting plate is horizontally and rotatably sleeved on the rod wall of the gasket shaft, a fixed shaft is rotatably fixed on the top surface of the outer side end of the connecting plate, the top end of the fixed shaft is inserted into the fixed shaft block hole in the sliding mode, a groove slope is arranged on the bottom surface of the shaft sliding bending groove, the, the gravity slider is characterized in that a sliding hole is formed in the center of the gravity slider, the gravity slider is slidably sleeved on the rod wall of the sliding shaft through the sliding hole, and a gravity inclined plane connected with the groove slope in a sliding mode is arranged on the top face of the gravity slider.

As a further aspect of the present invention: the axle slides crooked groove and comprises interior groove and the abduction groove of contracting, and interior groove and the abduction groove of contracting are the horizontal cross-section and are curved open slot, and interior groove and the abduction groove of contracting are even as an organic whole, and the sliding shaft is in the initial end in interior groove of contracting under door groove piece and mounting panel closed condition, and the sliding shaft opens the in-process at the door groove piece and slides along the outside abduction groove of interior groove, and the ball heart that interior groove arc grooved surface of contracting corresponds is located the front side of dead axle and the ball heart that abduction groove arc grooved surface corresponds is located the rear side of dead axle, and the ball diameter that interior groove arc grooved surface of contracting corresponds is less than the ball diameter that abduction groove arc grooved surface corresponds.

As a further aspect of the present invention: be equipped with the gasket that is used for adjusting connecting plate level between the panel of connecting plate and mounting panel, the gasket cover is established on gasket axle bottom pole wall, the vertical fixation has the gag lever post that prevents gasket pivoted on the top panel of mounting panel, offer the bayonet socket that is used for blocking the gag lever post on the gasket lateral wall.

As a further aspect of the present invention: the gasket is provided with an arc-shaped notch in a clamping manner, the arc-shaped notch is clamped on the side wall of the contact ring, and the contact ring is fixed on the rod wall at the bottom end of the sliding shaft.

As a further aspect of the present invention: the lateral wall of the outer end of the connecting plate is arc-shaped, and the lateral wall of the gravity slider is provided with a plate corner arc surface matched with the outer end of the connecting plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can realize the self-closing to the door body through gravitational potential energy when realizing the action of opening the door that the first inboard edge of the door body contracts and then the outside limit is turned over, wireless spring or other return stroke structures, the structural feature of cooperation single track hinge, very ingenious realization automatic door action of closing, simplified single track hinge's overall structure size, had the cost advantage more, installation space occupies for a short time.

Drawings

FIG. 1 is a schematic view of a gravity-actuated self-closing single-track hinge.

FIG. 2 is an exploded view of a bottom view of the gravity self-closing monorail hinge.

FIG. 3 is a schematic view of the top of the mounting plate in the gravity-actuated single-track hinge.

FIG. 4 is a schematic view of the interior of the gate slot block with the gravity-actuated closing single-track hinge closed.

FIG. 5 is a bottom view of the mounting plate and gate slot block with the gravity self-closing single-rail hinge open.

FIG. 6 is a schematic view of the interior of the gate slot block when the gravity self-closing single-track hinge is opened.

FIG. 7 is a view showing the installation position of the gravity self-closing monorail hinge.

Fig. 8 is a partial enlarged view of a portion a in fig. 7.

In the figure: the door comprises a door groove block 1, a rotating groove 10, a fixed shaft block hole 11, a shaft sliding bending groove 12, a groove slope 13, a connecting plate 2, a fixed shaft 20, a gasket shaft 21, a limiting rod 22, a gasket 23, a sliding shaft 24, a contact ring 25, a mounting plate 3, a gravity sliding block 4, a sliding hole 40, a gravity inclined plane 41, a plate corner cambered surface 42, a box body 5 and a door body 50.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 8, in an embodiment of the present invention, a gravity self-closing type single-rail hinge includes a mounting plate 3 horizontally installed at the bottom of a hinged side of a box 5 and a door slot block 1 installed at the bottom of a hinged side of a door 50, a rotating slot 10 is formed in the door slot block 1, a fixed shaft block hole 11 and a shaft sliding bending slot 12 are respectively formed at two sides of the bottom of the rotating slot 10, a gasket shaft 21 and a sliding shaft 24 are vertically fixed on the top surface of the mounting plate 3 at a front-rear interval, a top end of the sliding shaft 24 is slidably inserted into the shaft sliding bending slot 12, a connecting plate 2 is horizontally rotatably sleeved on a rod wall of the gasket shaft 21, a fixed shaft 20 is rotatably fixed on the top surface of an outer side end of the connecting plate 2, a top end of the fixed shaft 20 is slidably inserted into the fixed shaft block hole 11, a slot slope 13 is formed on the bottom surface of the shaft sliding bending slot 12, the slot slope 13 is inclined downward along a direction in which the sliding, the top of the groove slope 13 and the inner wall of the rotating groove 10 are connected with the gravity slider 4 in a clamping mode, a sliding hole 40 is formed in the center of the gravity slider 4, the gravity slider 4 is slidably sleeved on the rod wall of the sliding shaft 24 through the sliding hole 40, and a gravity inclined plane 41 connected with the groove slope 13 in a sliding mode is arranged on the top face of the gravity slider 4.

The shaft sliding bending groove 12 is composed of an inner contracting groove and an outer expanding groove, the inner contracting groove and the outer expanding groove are both open grooves with arc-shaped horizontal sections, the inner contracting groove and the outer expanding groove are connected into a whole, the sliding shaft 24 is positioned at the initial end of the inner contracting groove when the door groove block 1 and the mounting plate 3 are closed, the sliding shaft 24 slides along the inner contracting groove to the outer expanding groove in the opening process of the door groove block 1, the spherical center corresponding to the arc groove surface of the inner contracting groove is positioned at the front side of the fixed shaft 20, the spherical center corresponding to the arc groove surface of the outer expanding groove is positioned at the rear side of the fixed shaft 20, the spherical diameter corresponding to the arc groove surface of the inner contracting groove is smaller than that corresponding to the arc groove surface of the outer expanding groove, when the door groove block 1 and the mounting plate 3 are opened from closing to hinging, the shaft sliding bending groove 12 slides from the inner contracting groove to the outer expanding groove direction, the hinged side edge of the door groove block 1 rotates inwards from the inner contracting groove with a smaller radius, namely, the door block 1 is mounted integrally with the door groove block 1 and does not turn outwards, the door body 50 can not collide with an external wall or a panel of the box body 5, when the sliding shaft 24 slides to the outward expansion groove, the whole door groove block 1 slides by the arc surface of the outward expansion groove with the larger diameter corresponding to the ball, the non-hinged edge of the door body 50 is turned out by the larger rotating diameter, and the door opening action of firstly retracting the inner side edge and then turning the outer side edge of the door body 50 is completed.

Be equipped with between the panel of connecting plate 2 and mounting panel 3 and be used for adjusting connecting plate 2 level's gasket 23, gasket 23 cover is established on 21 bottom pole walls of gasket axle, the vertical fixation has the gag lever post 22 that prevents gasket 23 pivoted on the top panel of mounting panel 3, offer the bayonet socket that is used for blocking gag lever post 22 on the gasket 23 lateral wall, the gasket 23 of setting mainly increases the interval between connecting plate 2 and the mounting panel 3 and prevents connecting plate 2 at the panel of rotation in-process repeated friction mounting panel 3.

The gasket 23 is provided with an arc-shaped notch clamped on the side wall of the contact ring 25, the contact ring 25 is fixed on the rod wall at the bottom end of the sliding shaft 24, and the contact ring 25 is also used for preventing the gravity slider 4 from directly rubbing the surface of the mounting plate 3.

The outer end side wall of the connecting plate 2 is arc-shaped, the side wall of the gravity slider 4 is provided with a plate corner arc surface 42 matched with the outer end of the connecting plate 2, and the arranged plate corner arc surface 42 and the outer end of the arc-shaped connecting plate 2 mainly prevent the connecting plate 2 and the gravity slider 4 from rotating and being not interfered with each other, so that dislocation collision is prevented.

The utility model discloses a theory of operation is: in the process that the door body 50 is opened and closed, the sliding shaft 24 slides along the shaft sliding bending groove 12, the gravity sliding block 4 moves along the groove slope 13 through the gravity inclined plane 41, the gravity sliding block 4 moves from the high end to the low end of the groove slope 13, in the process, the sliding shaft 24 and the fixed shaft 20 respectively slide in the vertical direction in the shaft sliding bending groove 12 and the fixed shaft block hole 11, when the sliding shaft 24 slides to the limit position, namely the door body 50 is completely opened, the gravity sliding block 4 moves to the limit position of the low end of the groove slope 13 at the moment, the top end of the gravity inclined plane 41 is mutually jointed with the tail end of the groove slope 13, under the action of the gravity of the whole door body 50, the groove slope 13 downwards presses the gravity inclined plane 41, under the condition that the external force is not applied, the gravity presses the gravity sliding block 4 to return to the high end along the groove slope 13, namely, the door body 50 is closed again on the box body 5, the automatic closing operation of the door 50 is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The single-rail hinge is characterized in that a rotating groove (10) is formed in the door groove block (1), a fixed shaft block hole (11) and a shaft sliding bending groove (12) are respectively formed in two sides of the bottom of the rotating groove (10), gasket shafts (21) and sliding shafts (24) are vertically fixed on the top surface of the mounting plate (3) at the front and back intervals, the top ends of the sliding shafts (24) are slidably inserted in the shaft sliding bending groove (12), a connecting plate (2) is horizontally rotatably sleeved on the rod wall of the gasket shaft (21), a fixed shaft (20) is rotatably fixed on the top surface of the outer side end of the connecting plate (2), and the top end of the fixed shaft (20) is slidably inserted in the fixed shaft block hole (11), the bottom surface of axle slip curved groove (12) is provided with slotted slope (13), and the slope of the direction slope that slides open along sliding shaft (24) in axle slip curved groove (12) sets up downwards in groove slope (13), and the card is followed gravity slider (4) between groove slope (13) top and rotation groove (10) inner wall, slide opening (40) have been seted up at gravity slider (4) center, and gravity slider (4) are through slide opening (40) sliding sleeve on the pole wall of sliding shaft (24), the top surface of gravity slider (4) is equipped with gravity inclined plane (41) that slide and meet with groove slope (13).

2. The single-rail hinge with the gravity automatic closing function as claimed in claim 1, wherein the shaft sliding bending groove (12) is composed of an inner contraction groove and an outer expansion groove, the inner contraction groove and the outer expansion groove are both open grooves with arc-shaped horizontal sections, the inner contraction groove and the outer expansion groove are connected into a whole, the sliding shaft (24) is located at the initial end of the inner contraction groove when the door groove block (1) and the mounting plate (3) are closed, the sliding shaft (24) slides along the inner contraction groove to the outer expansion groove in the opening process of the door groove block (1), the spherical center corresponding to the arc-shaped groove surface of the inner contraction groove is located on the front side of the fixed shaft (20), the spherical center corresponding to the arc-shaped groove surface of the outer expansion groove is located on the rear side of the fixed shaft (20), and the spherical diameter corresponding to the arc-shaped groove surface of the inner contraction groove is smaller than that corresponding to the arc-shaped groove surface of the outer expansion groove.

3. The gravity automatic closing type single-rail hinge as claimed in claim 1, wherein a gasket (23) for adjusting the horizontal height of the connecting plate (2) is arranged between the connecting plate (2) and the mounting plate (3), the gasket (23) is sleeved on the rod wall at the bottom end of the gasket shaft (21), a limiting rod (22) for preventing the gasket (23) from rotating is vertically fixed on the top panel of the mounting plate (3), and a bayonet for clamping the limiting rod (22) is arranged on the side wall of the gasket (23).

4. A single-track hinge of the gravity-actuated type, as claimed in claim 3, characterized in that said gasket (23) is provided with an arc-shaped notch which is engaged on the side wall of a contact ring (25), said contact ring (25) being fixed to the bottom end wall of the sliding shaft (24).

5. The gravity automatic closing type single-rail hinge is characterized in that the side wall of the outer end of the connecting plate (2) is arc-shaped, and the side wall of the gravity sliding block (4) is provided with a plate corner arc surface (42) matched with the outer end of the connecting plate (2).