CN220014849U

CN220014849U - Protective hinge

Info

Publication number: CN220014849U
Application number: CN202320691349.9U
Authority: CN
Inventors: 赖丽丹; 徐添宝; 卢国文
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-11-14
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a protection hinge which comprises a bottom plate, a connecting rod mechanism, a supporting arm and a sliding block assembly, wherein a sliding groove is formed in the bottom plate along the length direction of the bottom plate, the sliding block assembly is in sliding connection with the sliding groove, the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, the first connecting rod and the third connecting rod are respectively hinged between the supporting arm and the bottom plate, and the third connecting rod is hinged between the sliding block assembly and the third connecting rod.

Description

Protective hinge

Technical Field

The utility model relates to the technical field of door and window accessories, in particular to a door and window hinge structure.

Background

In the door and window industry, casement windows generally adopt hinges to fix themselves on window frame profiles so as to realize the fixed installation of window sashes. The door and window hinges existing in the market at present are hidden hinges, three-connecting-rod sliding-support hinges, four-connecting-rod sliding-support hinges and the like, and the window sashes can be fixedly installed. The folding and the unfolding of the existing door and window hinge are generally realized through the linkage among the bracket arms, the connecting rods and the bottom plate, the bottom plate is provided with a strip-shaped chute along the length direction, the strip-shaped chute is slidably provided with a sliding block assembly, the connecting rods are hinged with the sliding block assembly, and the sliding block assembly performs linear motion on the strip-shaped chute by applying external force, so that the folding and the unfolding of the door and window hinge are realized. However, due to the fact that the door and window with the hinge structure is installed, the opening angle of the door and window can reach 90 degrees, and due to the fact that the opening space of the window is large, children can easily fall from the window to the outside when climbing the window, and certain potential safety hazards exist. If the Chinese patent is authorized, the publication number is CN218598007U, a guide plate type door and window hinge is disclosed, comprising a bottom plate, a supporting arm, a sliding block component and a connecting rod structure, wherein the bottom plate, the supporting arm, the sliding block component and the connecting rod mechanism are connected, so that the supporting arm and the bottom plate can be relatively opened and closed, a guide plate is arranged on the bottom plate, a gap is reserved between the left side and the right side of the guide plate and the bottom plate to form a guide groove, clamping strips are arranged on the left side and the right side of the sliding block component, and the sliding block component can be slidably arranged on the guide plate by embedding the clamping strips in the guide groove. The door and window hinge replaces the original integrated structure of the bottom plate clamping groove through the assembling structure of the guide plate, and has the characteristics of simple structure and easy installation. However, the disadvantage is that the hinge lacks the function of controlling and locking the opening angle, and the hidden safety trouble is high, so that the hinge needs to be further improved.

Disclosure of Invention

The utility model aims to solve the defects of the prior art, and provides the protective hinge which is convenient to operate and adjust and high in safety coefficient.

The utility model adopts the following technical proposal to realize the aim: the utility model provides a protection hinge, including the bottom plate, link mechanism, trailing arm and slider subassembly, the bottom plate is provided with the spout along its length direction, slider subassembly and spout sliding connection, link mechanism includes first connecting rod, second connecting rod and third connecting rod, first connecting rod and third connecting rod articulate respectively between trailing arm and bottom plate, the third connecting rod articulates between slider subassembly and third connecting rod, a serial communication port, be provided with angle stop gear between third connecting rod and the bottom plate, angle stop gear includes mutual joint complex locating part and screens, the locating part activity sets up on the third connecting rod, the screens sets up on the bottom plate, can restrict the swing angle of third connecting rod through angle stop gear, thereby can lock window open-ended size, can satisfy the ventilation requirement, also can avoid child to drop from window mouth when climbing door and window.

As a further explanation of the above scheme, the positions of the limiting member and the clamping position are interchanged.

Further, the third connecting rod is provided with an arc-shaped slotted hole corresponding to the limiting piece, and the limiting piece can slide along the arc-shaped slotted hole.

Further, the clamping position is a protruding block arranged on the surface of the bottom plate, a bayonet is arranged on the side portion of the protruding block, and the limiting piece can be clamped in the bayonet, so that the third connecting rod is locked and cannot swing.

Further, the limiting piece is a limiting nail, the upper and lower sides of the limiting nail are respectively provided with a flange, and the limiting is more stable through the clamping fit of the upper flange and the lower flange with the bayonet.

Further, be provided with the windage stopper on the bottom plate, the windage stopper sets up in the articulated position outside of first connecting rod with the bottom plate for the first connecting rod rotates to the back of certain angle and receives the stopper of windage stopper and stop, can not continue to rotate forward, and the anti-wind is effectual.

Further, a stop plate is arranged between the lower part of the supporting arm and the first connecting rod, the stop plate is fixedly connected with the supporting arm, and the end part of the stop plate is movably and propped and matched with the side part of the third connecting rod to limit the swinging angle of the supporting arm.

Further, the sliding block assembly comprises an upper clamping piece, a lower clamping piece and a fastener connected between the upper clamping piece and the lower clamping piece, the upper clamping piece and the lower clamping piece are respectively positioned on the front surface and the back surface of the chute, one end of the second connecting rod is hinged with the upper clamping piece, and the other end of the second connecting rod is hinged with the third connecting rod.

The beneficial effects achieved by adopting the technical proposal of the utility model are as follows:

according to the utility model, the angle limiting mechanism mainly composed of the limiting piece and the clamping position which are mutually clamped and matched is arranged between the third connecting rod and the bottom plate, the limiting piece is movably arranged on the third connecting rod, the clamping position is arranged on the bottom plate, and the swinging angle of the third connecting rod can be limited through the angle limiting mechanism, so that the size of the window opening can be locked, the ventilation requirement can be met, the normal use of a door and window can not be influenced, children can be prevented from falling from the window opening when climbing the door and window, the safety performance is improved, and the unlocking and locking functions can be realized due to the fact that the limiting piece can slide along the arc-shaped slotted hole, and the switching operation is convenient.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in a fully opened state;

FIG. 2 is a schematic perspective view of the present utility model in a fully opened state;

FIG. 3 is a schematic view of the structure of the present utility model in an open 15 degree state;

FIG. 4 is a bottom view of FIG. 3;

FIG. 5 is a schematic view of the structure of the present utility model in a fully closed state;

FIG. 6 is a schematic perspective view of the fully closed state of the present utility model;

fig. 7 is a schematic diagram of a base plate structure.

Reference numerals illustrate: 1. the novel wind-resistance limiting block comprises a bottom plate 1-1, a sliding chute 1-2, an end plate 1-3, an arc-shaped flange 2, a connecting rod mechanism 2-1, a first connecting rod 2-2, a second connecting rod 2-3, a third connecting rod 2-31, an arc-shaped slotted hole 3, a bracket arm 4, a sliding block assembly 4-1, an upper clamping piece 4-2, a lower clamping piece 4-3, a fastening piece 5, an angle limiting mechanism 5-1, a limiting piece 5-11, a flange 5-2, a clamping position 5-21, a bayonet 6, a stop plate 6-1, a positioning end head 7 and a wind-resistance limiting block.

Detailed Description

In the description of the present utility model, it should be noted that, for the azimuth words such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such features, and in the description of the utility model, "at least" means one or more, unless clearly specifically defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below the second feature.

The following description of the specific embodiments of the present utility model is further provided with reference to the accompanying drawings, so that the technical scheme and the beneficial effects of the present utility model are more clear and definite. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1-7, the utility model is a protection hinge, which comprises a bottom plate 1, a link mechanism 2, a bracket arm 3 and a sliding block assembly 4, wherein the link mechanism 2 comprises a first link 2-1, a second link 2-2 and a third link 2-3, the first link and the third link are respectively hinged between the bracket arm and the bottom plate, the third link is hinged between the sliding block assembly and the third link, and the bracket arm and the bottom plate can be relatively unfolded and folded through rotatable hinge between the components so as to realize the opening and closing of a door and window hinge. The second link has a length less than the first link and the third link. The bottom plate 1 is provided with a chute 1-1 along the length direction thereof, the sliding block component 4 is in sliding connection with the chute 1-1, the chute is a bar-shaped slotted hole, and a hinge point I of the first connecting rod and the bottom plate and a hinge point II of the third connecting rod and the bottom plate are arranged. The sliding block assembly 4 comprises an upper clamping piece 4-1, a lower clamping piece 4-2 and a fastening piece 4-3 connected between the upper clamping piece and the lower clamping piece, wherein the fastening piece adopts a screw mode, the distance between the upper clamping piece and the lower clamping piece can be adjusted, the upper clamping piece and the lower clamping piece are respectively positioned on the front surface and the back surface of the sliding groove, and when the fastening piece is adjusted, the friction force between the upper clamping piece, the lower clamping piece and the bottom plate can be adjusted, so that the sliding of the sliding piece is smoother. One end of the second connecting rod is hinged with the upper clamping piece, and the other end of the second connecting rod is hinged with the third connecting rod.

An angle limiting mechanism 5 is arranged between the third connecting rod 2-3 and the bottom plate 1, the angle limiting mechanism comprises a limiting piece 5-1 and a clamping position 5-2 which are matched in a clamping manner, the limiting piece is movably arranged on the third connecting rod, the clamping position is arranged on the bottom plate, and the swinging angle of the third connecting rod can be limited through the angle limiting mechanism, so that the size of an opening of a window can be locked, the ventilation requirement can be met, and a child can be prevented from falling from the opening of the window when climbing the door or window. In this embodiment, the third link is provided with an arc slot 2-31 corresponding to the limiting member, and the limiting member can slide along the arc slot. In the embodiment, the clamping position is a convex block which is arranged on the surface of the bottom plate and is formed by upward stamping, and the side part of the convex block is provided with a bayonet 5-21. The limiting piece slides along the arc-shaped slotted hole and slides to the tail end of the arc-shaped slotted hole and can be clamped in the bayonet, so that the third connecting rod is locked and cannot swing, and in the embodiment, the opening angle of the door and window is 15 degrees in the locking state; in contrast, in the unlocking state, the limiting piece slides to the front end of the arc-shaped slotted hole, so that the limiting piece can be completely separated from the limit of the lug, and the door and window can be completely opened. The limiting piece 5-1 is a limiting nail, the upper and lower parts of the limiting nail are respectively provided with a flange 5-11, and the stability is improved through the clamping fit of the upper flange and the lower flange with the bayonet.

A stop plate 6 is arranged between the lower part of the supporting arm and the first connecting rod, the stop plate is fixedly connected with the supporting arm, and the end part of the stop plate is movably and propped and matched with the side part of the third connecting rod to limit the swinging angle of the supporting arm. The tail end of the stop plate is provided with a positioning end head 6-1 extending outwards; the left end of the bottom plate is bent upwards to form an end plate 1-2, one side of the end plate is bent inwards to form an arc-shaped flange 1-3, an included angle position is formed between the end plate and the arc-shaped flange, and the locating end head can be clamped into the included angle position to achieve the anti-prying effect.

Further, be provided with windage stopper 7 on the bottom plate, windage stopper sets up in the articulated position outside of first connecting rod with the bottom plate for the first connecting rod rotates to the back of certain angle and receives the stopper of windage stopper spacing, can not continue to rotate forward, and the anti-wind is effectual.

It is noted that the positions of the limiting piece and the clamping position can be interchanged, and the design can be carried out according to actual needs.

Compared with the prior art, the utility model adopts the angle limiting mechanism which is mainly composed of the limiting piece and the clamping position which are mutually clamped and matched between the third connecting rod and the bottom plate, the limiting piece is movably arranged on the third connecting rod, the clamping position is arranged on the bottom plate, and the swinging angle of the third connecting rod can be limited through the angle limiting mechanism, so that the size of the window opening can be locked, the ventilation requirement can be met, the normal use of a door and window can not be influenced, the child can be prevented from falling from the window opening when climbing the door and window, and the safety performance is improved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present utility model.

Claims

1. The utility model provides a protection hinge, including the bottom plate, link mechanism, trailing arm and slider subassembly, the bottom plate is provided with the spout along its length direction, slider subassembly and spout sliding connection, link mechanism includes first connecting rod, second connecting rod and third connecting rod, first connecting rod and third connecting rod are articulated respectively between trailing arm and bottom plate, the third connecting rod articulates between slider subassembly and third connecting rod, a serial communication port, be provided with angle stop gear between third connecting rod and the bottom plate, angle stop gear includes mutual joint complex locating part and screens, the locating part activity sets up on the third connecting rod, the screens sets up on the bottom plate.

2. The protective hinge of claim 1, wherein the positions of the retainer and the detent are interchanged.

3. The protective hinge according to claim 1, wherein the third link is provided with an arc slot corresponding to the stopper, and the stopper slides along the arc slot.

4. The protective hinge according to claim 1, wherein the locking portion is a protrusion disposed on a surface of the base plate, and a bayonet is disposed on a side portion of the protrusion, and the stopper is movably locked in the bayonet.

5. The protective hinge according to claim 1, wherein the limiting member is a limiting pin, and flanges are respectively arranged on the upper and lower sides of the limiting pin, and the upper and lower flanges are in clamping fit with the bayonet.

6. The protective hinge according to claim 1, wherein the base plate is provided with a windage stopper, and the windage stopper is disposed outside the hinge position of the first link with the base plate.

7. The protective hinge according to claim 1, wherein a stop plate is arranged between the lower part of the bracket arm and the first connecting rod, the stop plate is fixedly connected with the bracket arm, and the end part of the stop plate is movably and in press fit with the side part of the third connecting rod.

8. The protective hinge according to claim 1, wherein the slider assembly comprises an upper clip, a lower clip, and a fastener connected between the upper clip and the lower clip, the upper clip and the lower clip being respectively located on the front and the back of the chute, one end of the second link being hinged to the upper clip, and the other end being hinged to the third link.