CN217176212U

CN217176212U - Concealed hinge

Info

Publication number: CN217176212U
Application number: CN202220895924.2U
Authority: CN
Inventors: 杜胜锋
Original assignee: Guangdong Xiongjin Metal Product Co ltd
Current assignee: Guangdong Xiongjin Metal Product Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-12
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a hidden hinge, it includes window frame connecting seat, casement connecting seat and linking arm subassembly, and the window frame connecting seat passes through the linking arm subassembly with the casement connecting seat and opens and shuts to be connected, the activity is provided with the regulation on the window frame connecting seat and keeps off piece, and linking arm subassembly at least partly keeps off the piece with the regulation and keeps off spacingly mutually, keeps off piece and window frame connecting seat relative position through changing the regulation to change the linking arm subassembly and adjust and keep off the position that the piece kept off mutually, realize injecing the biggest opening angle of casement connecting seat. The window frame connecting seat of the hidden hinge is movably provided with the adjusting stopper, and the adjusting stopper and the window frame connecting seat are in relative positions through changing, so that the adjusting stopper and the connecting arm assembly are in different positions and are blocked, the maximum opening angle of the window sash connecting seat is limited, and the universality of a product is improved.

Description

Concealed hinge

Technical Field

The utility model relates to a door and window hinge, especially a hidden hinge.

Background

As shown in fig. 13, the current hidden hinge comprises a window frame connecting seat 1, a window sash connecting seat 2 and a connecting arm assembly, wherein the window frame connecting seat 1 and the window sash connecting seat 2 are connected in an opening and closing mode through the connecting arm assembly, the connecting arm assembly comprises a long connecting arm 31 and a short connecting arm 32, the head end of the long connecting arm 31 is hinged to the head end of the window frame connecting seat 1, the tail end of the long connecting arm is hinged to the window sash connecting seat 2, the head end of the short connecting arm 32 is hinged to the window frame connecting seat 1, and the tail end of the short connecting arm is hinged to the head end of the window sash connecting seat 2. The window frame connecting seat 1 of the structure is used for being connected with a window frame, the window sash connecting seat 2 is used for being connected with a window sash, and the opening and closing of the window frame connecting seat and the window sash can be realized between 0 and 170 degrees as no specific opening angle is limited. The hinge is mainly applied to installation and use of household screen windows and mainly used in an inner opening mode. However, when the screen window is installed in the bay window, the angle of the window opening in the screen window cannot exceed 90 degrees, otherwise the screen window will collide with the wall of the windowsill.

In view of the above problems, some hinges are limited with respect to the maximum opening angle (for example, the maximum opening angle is limited to 90 degrees individually, the maximum opening angle is limited to 160 degrees individually, etc.), so the hinges have poor versatility, which results in that the hinge manufacturer needs to stock one or more products with different maximum opening angles to meet different requirements of customers, and the stock of multiple products will put great pressure on the whole process and stock.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hidden hinge that rational in infrastructure, open the maximum angle limit value adjustable, the commonality is strong.

The purpose of the utility model is realized like this:

the utility model provides a hidden hinge, includes window frame connecting seat, casement connecting seat and linking arm subassembly, and the window frame connecting seat opens and shuts through the linking arm subassembly with the casement connecting seat and is connected its characterized in that: the window frame connecting seat is movably (can be rotated, slid and the like) provided with an adjusting stopper, at least one part of the connecting arm assembly is blocked and limited by the adjusting stopper, and the maximum opening angle of the window sash connecting seat is limited by changing the relative position of the adjusting stopper and the window frame connecting seat so as to change the blocking position of the connecting arm assembly and the adjusting stopper.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, the adjusting stopper is an eccentric nail, and comprises a nail cap and an eccentric shaft, and the eccentric shaft is in running fit with the window frame connecting seat. By rotating the eccentric pin, the position of the nut is then changed, thereby defining the maximum swing angle of the connecting arm assembly.

As a further proposal, the connecting arm component is provided with at least two positioning grooves, and each positioning groove is selectively matched with the nail cap of the adjusting stopper.

As a further scheme, the nail cap is provided with positioning reference marks, the window frame connecting seat is provided with positioning indication marks, and the number of the positioning indication marks corresponds to the number of the positioning grooves. Through the eccentric nail of rotation regulation, make the location benchmark sign of its nail cap align with one of them location indicator sign, then can realize that the nail cap keeps off with a corresponding positioning groove mutually, realize that the hinge is opened the angle spacing.

As a further scheme, the connecting arm assembly comprises a long connecting arm and a short connecting arm, the head end of the long connecting arm is hinged with the head end of the window frame connecting seat, the tail end of the long connecting arm is hinged with the window sash connecting seat, the head end of the short connecting arm is hinged with the window frame connecting seat, and the tail end of the short connecting arm is hinged with the head end of the window sash connecting seat; the positioning groove is arranged on the periphery of the head end of the short connecting arm and faces the adjusting stopper side.

As a further scheme, a rubber mat is arranged between the hinged positions from the head end of the window frame connecting seat to the head end of the short connecting arm, and the long connecting arm is hinged with the window frame connecting seat and the rubber mat. The cushion can increase the thickness of window frame connecting seat on the one hand, improves its intensity, and on the other hand can improve the smooth and easy degree when long linking arm rotates.

As a further scheme, the window frame connecting seat is provided with at least two quick-mounting buckles, each quick-mounting buckle comprises a lock rod and a lock catch, the lock rods are in transfer fit with the window frame connecting seat, and the lower ends of the lock rods extend to the bottom of the window frame connecting seat and are fixedly connected with the lock catches; the middle part of the lock catch is raised, and the two sides of the lock catch are turned outwards to form a lock tongue. When the window frame is a section bar with a C-shaped groove, the lock tongue of the quick fastener is clamped into the groove bottoms on the two sides of the C-shaped groove by rotating the quick fastener, so that quick clamping installation is realized.

As a further scheme, the window frame connecting seat is provided with a limiting boss for limiting the short connecting arm from being excessively closed; the head end of the short connecting arm is provided with a limiting column used for limiting the excessive closing of the long connecting arm.

As a further scheme, the middle part of the long connecting arm is bent to form a first abdicating step, the periphery of the first abdicating step is provided with a limiting groove close to the side of the limiting column, and the middle part of the short connecting arm is bent to form a second abdicating step. The stepping step is convenient for the long connecting arm and the short connecting arm to be staggered up and down when being stored, the structure is more compact, and on the other hand, the rigidity of the connecting arm can be improved, and the supporting capacity is improved.

As a further scheme, the middle part of the window sash connecting seat is of a groove structure, the groove extends and is communicated along the length direction, fastening flanges are outwards arranged on two sides of the groove, connecting holes are further formed in the surface of the groove, and the head end of each fastening flange protrudes to form a limit stop. The tightening screw can be screwed into the connecting hole and is abutted against the bottom of the section groove of the window sash so that the tightening flanging is pressed and fixed with the side groove of the section groove. The limit stop can be conveniently positioned, can be quickly and conveniently positioned and installed, and is convenient to adjust.

The utility model has the advantages that:

(1) the window frame connecting seat of the hidden hinge is movably provided with the adjusting stopper, and the adjusting stopper and the window frame connecting seat are in relative positions through changing, so that the adjusting stopper and the connecting arm assembly are in different positions and are blocked, the maximum opening angle of the window sash connecting seat is limited, and the universality of a product is improved.

(2) The window frame connecting seat of the hidden hinge is provided with the rubber pad, so that the hinge is smoother in the opening and closing process, the noise is reduced, and the appearance of the product is more attractive.

(3) The fastening flanges are outwards arranged on two sides of the window sash connecting seat of the hidden hinge, so that the window sash connecting seat is conveniently assembled with a sectional material groove of a window sash in a through groove mode; the window frame connecting seat is provided with a quick fastener, so that the quick installation function can be realized.

(4) The hidden hinge can be used as a window screening hinge.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is another angle structure diagram of fig. 1.

Fig. 3 is an exploded schematic view of the present invention.

Fig. 4 is a schematic view of the structure of the main view when the opening angle of the utility model is 90 degrees (the maximum opening angle).

Fig. 5 is a schematic view of the front view structure of the utility model with an opening angle of 160 degrees (the maximum opening angle).

Fig. 6 is a schematic view of the folding (storage) state of the present invention.

Fig. 7 is a schematic structural view of another embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the window of the present invention when connected.

Fig. 9 is an enlarged schematic view of the structure at C in fig. 8.

Fig. 10 is a schematic view of the cross-sectional structure of the connecting seat and the sectional material of the window sash.

Fig. 11 is another angle structure diagram of fig. 8.

Fig. 12 is an enlarged schematic view of the structure at D in fig. 11.

Fig. 13 is a schematic diagram of a prior art structure.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

as shown in fig. 1 to 6, a hidden hinge comprises a window frame connecting seat 1, a window sash connecting seat 2 and a connecting arm assembly 3, wherein the window frame connecting seat 1 and the window sash connecting seat 2 are connected through the connecting arm assembly 3 in an opening and closing manner, the connecting arm assembly 3 comprises a long connecting arm 31 and a short connecting arm 32, the head end of the long connecting arm 31 is hinged to the head end of the window frame connecting seat 1, the tail end of the long connecting arm is hinged to the window sash connecting seat 2, the head end of the short connecting arm 32 is hinged to the window frame connecting seat 1, and the tail end of the short connecting arm is hinged to the head end of the window sash connecting seat 2. A rubber pad 6 is arranged between the hinged positions of the head end of the window frame connecting seat 1 and the head end of the short connecting arm 32, and the long connecting arm 31 is hinged with the window frame connecting seat 1 and the rubber pad 6 at the same time. The lower surface of the rubber mat 6 is provided with two positioning bosses 62, the window frame connecting seat 1 is provided with positioning holes 12 corresponding to the positions of the positioning bosses 62 of the rubber mat 6, and the positioning bosses 62 penetrate into the positioning holes 12.

The window frame connecting seat 1 is movably provided with an adjusting stopper 4, the adjusting stopper 4 is an eccentric nail, the eccentric nail comprises a nail cap 41 and an eccentric shaft 42, and the eccentric shaft 42 is in running fit with the window frame connecting seat 1. The method comprises the following steps: the eccentric shaft 42 is riveted after penetrating through the rubber gasket 6 and the window frame connecting seat 1.

The periphery of the head end of the short connecting arm 32 is provided with two positioning grooves 5, the two positioning grooves 5 are respectively a 90-degree positioning groove 51 and a 160-degree positioning groove 52, and the nail cap 41 of the eccentric nail is selectively blocked and limited with the 90-degree positioning groove 51 or the 160-degree positioning groove 52.

The nail cap 41 is provided with a positioning reference mark 43, the rubber pad 6 of the window frame connecting seat 1 is provided with positioning indication marks 61, and the number of the positioning indication marks 61 corresponds to the number of the positioning grooves 5. The method comprises the following steps: the positioning indicators 61 include a 90 degree positioning indicator a labeled "90" and a 160 degree positioning indicator B labeled "180".

The window frame connecting seat 1 is provided with at least two quick fasteners 7, each quick fastener comprises a lock rod 71 and a lock catch 72, the lock rods 71 are in transfer fit with the window frame connecting seat 1, and the lower ends of the lock rods 71 extend to the bottom of the window frame connecting seat 1 and are fixedly connected with the lock catches 72; the middle part of the lock catch 72 is raised, and the two sides of the lock catch are turned outwards to form a lock tongue 73.

The window frame connecting seat 1 is provided with a limiting boss 13 for limiting the short connecting arm 32 from being excessively closed; the head end of the short connecting arm 32 is provided with a limiting column 8 for limiting the over-closing of the long connecting arm 31. Long connecting arm 31 tail end periphery is provided with spacing groove 312 by angle adjusting nail 4 side, during the hinge closed condition, when hinge opening angle was 0 degrees promptly, spacing post 8 and spacing boss 13 combined action made each component of hinge can not appear excessively drawing in the phenomenon in, specifically be: the limiting column 8 abuts against the limiting groove 312 to prevent the long connecting arm 31 from being excessively folded; the limiting boss 13 abuts against the tail end of the short connecting arm 32 to prevent the short connecting arm 32 from being excessively folded.

The middle part of the long connecting arm 31 is bent to form a first abdicating step 311, the periphery of the first abdicating step 311 is provided with a limiting groove 312 close to the side of the limiting column 8, and the middle part of the short connecting arm 32 is bent to form a second abdicating step 321. The long connecting arm 31 adopts a stamping and bending process to form a first abdicating step 311, the short connecting arm 32 adopts a stamping and bending process to form a second abdicating step 321, the rigidity of the long connecting arm 31 or the short connecting arm 32 can be improved through stamping and bending, and the first abdicating step 311 and the second abdicating step 321 vacate an assembly space, so that related components can be smoothly opened or closed, and the interference between the related components is avoided.

The middle part of the window sash connecting seat 2 is of a groove 21 structure, the groove 21 extends and penetrates along the length direction, fastening flanges 22 are outwards arranged on two sides of the groove 21, a connecting hole is further formed in the surface of the groove 21, and a limit stop 23 is formed by the protrusion of the head end of each fastening flange 22.

Since the hinge is divided into left and right (or up and down, etc.), it is shown in fig. 7, which is a schematic view of another hinge structure installed symmetrically with respect to the hinge shown in fig. 1.

Fig. 8 to 12 are schematic views of connection structures of hinges and a window body, the hinge at the upper part of the window body is the hinge shown in fig. 7, and the hinge at the lower part of the window body is the hinge shown in fig. 1.

The window frame connecting seat 1 is matched with a window frame C-shaped groove 101 of a window frame 100 section in a fastening mode, the lock catch 72 is driven to rotate through the lock rod 71, the lock tongues 73 on two sides of the lock catch 72 are clamped into groove bottoms on two sides of the window frame C-shaped groove 101, and the window frame connecting seat 1 is installed in a rapid clamping mode.

The window sash connecting seat 2 is in inserting fit with a window sash C-shaped groove 201 of a window sash 200 section bar, fastening flanges 22 on two sides of the window sash connecting seat 2 are inserted into groove bottoms on two sides of the window sash C-shaped groove 201, a fastening screw 9 is screwed into a connecting hole of the window sash connecting seat 2, and the fastening screw 9 abuts against the groove bottom of the window sash C-shaped groove 201, so that the fastening flanges 22 are pressed and fixed with side grooves of the window sash C-shaped groove 201 (see figure 10).

The working principle is as follows: referring to fig. 4, the eccentric nail is screwed, so that the positioning reference mark 43 of the nail cap 41 points to the 90-degree positioning indication mark a marked as "90" (the position is already shielded by the nail cap 41 in fig. 4, and the 160-degree positioning indication mark B marked as "180" is exposed), at this time, the 90-degree positioning slot 51 of the short connecting arm 32 is limited by the nail cap 41, and the maximum opening angle of the sash connecting seat 2 relative to the frame connecting seat 1 is 90 degrees. Referring to fig. 5, the positioning reference mark 43 of the nut 41 is directed to the 160-degree positioning indicator mark B marked as "180" (this position is already blocked by the nut 41 in fig. 5, and the 90-degree positioning indicator mark a marked as "90" is exposed), at this time, the 160-degree positioning slot 52 of the short connecting arm 32 is stopped and limited with the nut 41, and the maximum opening angle of the sash connecting seat 2 relative to the frame connecting seat 1 is 160 degrees.

Claims

1. The utility model provides a hidden hinge, includes window frame connecting seat (1), casement connecting seat (2) and linking arm subassembly (3), and window frame connecting seat (1) opens and shuts through linking arm subassembly (3) with casement connecting seat (2) and is connected its characterized in that: the window frame connecting seat (1) is movably provided with an adjusting stopper (4), at least one part of the connecting arm assembly (3) and the adjusting stopper (4) are blocked and limited, and the position of the connecting arm assembly and the adjusting stopper (4) which are blocked is changed by changing the relative position of the adjusting stopper (4) and the window frame connecting seat (1), so that the maximum opening angle of the window sash connecting seat (2) is limited.

2. The concealed hinge according to claim 1, wherein: the adjusting stopper (4) is an eccentric nail, the adjusting stopper (4) comprises a nail cap (41) and an eccentric shaft (42), and the eccentric shaft (42) is in running fit with the window frame connecting seat (1).

3. The concealed hinge according to claim 2, wherein: at least two positioning grooves (5) are formed in the connecting arm assembly (3), and each positioning groove is selectively matched with the nail cap (41) of the adjusting stopper (4).

4. The concealed hinge according to claim 3, wherein: be equipped with location benchmark sign (43) on nail cap (41), be equipped with location indicator (61) on window frame connecting seat (1), the quantity of location indicator (61) with constant head tank (5) quantity corresponds.

5. The concealed hinge according to claim 3 or 4, wherein: the connecting arm assembly (3) comprises a long connecting arm (31) and a short connecting arm (32), the head end of the long connecting arm (31) is hinged with the head end of the window frame connecting seat (1), the tail end of the long connecting arm is hinged with the window sash connecting seat (2), the head end of the short connecting arm (32) is hinged with the window frame connecting seat (1), and the tail end of the short connecting arm is hinged with the head end of the window sash connecting seat (2); the positioning groove (5) is arranged on the periphery of the head end of the short connecting arm (32) and faces the adjusting stopper (4).

6. The concealed hinge according to claim 5, wherein: a rubber mat (6) is arranged between the hinged positions from the head end of the window frame connecting seat (1) to the head end of the short connecting arm (32), and the long connecting arm (31) is hinged to the window frame connecting seat (1) and the rubber mat (6) at the same time.

7. The concealed hinge according to claim 1, wherein: the window frame connecting seat (1) is provided with at least two quick fasteners (7), each quick fastener comprises a lock rod (71) and a lock catch (72), the lock rods (71) are in transfer fit with the window frame connecting seat (1), and the lower ends of the lock rods (71) extend to the bottom of the window frame connecting seat (1) and are fixedly connected with the lock catches (72); the middle part of the lock catch (72) is convex, and the two sides of the lock catch are turned outwards to form a lock tongue (73).

8. The concealed hinge according to claim 5, wherein: the window frame connecting seat (1) is provided with a limiting boss (13) for limiting the short connecting arm (32) from being excessively closed; the head end of the short connecting arm (32) is provided with a limiting column (8) used for limiting the excessive closing of the long connecting arm (31).

9. The concealed hinge according to claim 5, wherein: the middle part of long linking arm (31) is bent and is formed first step (311) of stepping down, and first step (311) periphery of stepping down is provided with spacing groove (312) by spacing post (8) side, the middle part of short linking arm (32) is bent and is formed second step (321) of stepping down.

10. The concealed hinge according to claim 1, wherein: the window sash connecting seat is characterized in that the middle of the window sash connecting seat (2) is of a groove (21) structure, the groove (21) extends along the length direction and is communicated, fastening flanges (22) are outwards arranged on two sides of the groove (21), a connecting hole is further formed in the surface of the groove (21), and a limit stop block (23) is formed at the front end of each fastening flange (22) in a protruding mode.