CN217461812U

CN217461812U - Door and window hinge

Info

Publication number: CN217461812U
Application number: CN202221131103.8U
Authority: CN
Inventors: 齐祥春
Original assignee: Foshan Baianbao Intelligent Hardware Technology Co ltd
Current assignee: Foshan Baianbao Intelligent Hardware Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-20
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a door and window hinge, including slide rail, slider, long cantilever, short cantilever and trailing arm, slider slidable mounting is on the slide rail, and the one end of long cantilever is articulated with the slide rail, the other end is articulated with the trailing arm, and the one end of short cantilever is articulated with the slider, the other end is articulated with the trailing arm, and its characterized in that is provided with the screens piece in the T-slot that can pack into other objects on the trailing arm, is provided with on the screens piece can block the convex part in the T-slot and break away from the T-slot with restriction screens piece. When the window sash is arranged on the hinge, the window sash can be operated by only one person, and the manual installation cost is favorably reduced.

Description

Door and window hinge

Technical Field

The utility model belongs to the technical field of door and window accessories, especially, relate to a door and window hinge.

Background

The existing door and window hinge generally comprises a slide rail, a slide block, a long cantilever, a short cantilever and a supporting arm, wherein the slide block is slidably connected and installed on the slide rail; when the window sash is opened, the long cantilever and the short cantilever are unfolded and support the window sash through the support arm.

When the window sash is installed on the support arm, the window sash frame needs to be drilled firstly, then the window sash is locked on the support arm through the screw, and the window sash can swing relative to the support arm all the time in the process of locking the first screw and the second screw, so that two persons are needed to operate in the process, one person holds the window sash, the other person removes the locking screw, the labor cost is high, the time consumption in the process of installing the window sash is long, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a door and window hinge only needs when installing the casement on this kind of hinge just can operate alone, is favorable to reducing artifical installation cost.

The utility model discloses a solve its technical problem and the technical scheme who adopts is:

the utility model provides a door and window hinge, includes slide rail, slider, long cantilever, short cantilever and trailing arm, slider slidable mounting in on the slide rail and can slide along the slide rail, the one end of long cantilever with the slide rail is articulated, the other end with the trailing arm is articulated, the one end of short cantilever with the slider is articulated, the other end with the trailing arm is articulated, its characterized in that, be provided with the screens piece in the T-slot that can pack into other objects on the trailing arm, be provided with on the screens piece can block the convex part in the T-slot in order to restrict the screens piece breaks away from in the T-slot.

As a further optimization scheme of the technical scheme, the supporting arm is also provided with a through hole capable of mounting a screw.

As a further optimization scheme of the above technical solution, the blocking member includes a boss disposed on the bracket arm, and the protrusion includes a first protrusion disposed on the boss and protruding forward. Preferably, the boss is a structure that is stamped directly onto the bracket arm.

As a further optimization scheme of the above technical scheme, the clamping member further comprises a pin arranged on the bracket arm, the convex part further comprises a limiting table arranged on an outer side wall of one end of the pin, the first convex part and the limiting table are positioned on the same side of the bracket arm, and the front side edge of the first convex part and the rear side edge of the limiting table are staggered so that the first convex part and the limiting table can be respectively clamped on two sides of the same T-shaped groove.

As a further optimization scheme of the technical scheme, the long cantilever is hinged with the supporting arm through the pin.

As a further optimization scheme of the technical scheme, one end of the supporting arm is detachably connected with a side connecting block, and a T-shaped block which can be clamped into a T-shaped groove of other objects is arranged on the side connecting block.

As a further optimization scheme of the technical scheme, a set screw is arranged on the side connecting block, and when the T-shaped block is clamped into a T-shaped groove of another object, the side connecting block can be locked with the other object through the set screw.

As a further optimization scheme of the technical scheme, vertical holes are formed in the side connecting blocks, and the side connecting blocks are detachably connected with the supporting arms through bolts penetrating through the vertical holes.

As a further optimization scheme of the above technical scheme, one side of the long cantilever is provided with a positioning plane, and the short cantilever is provided with a clamping plane which is attached to the positioning plane when the long cantilever and the short cantilever are both unfolded.

As a further optimization scheme of the technical scheme, transition fillets located on two sides of the clamping plane are arranged on the short cantilever.

The utility model has the advantages that: with the utility model discloses the bottom of the window sash frame of adaptation, door frame all has the T-slot to this door and window hinge uses on the flat-open window as the example, during installation window sash frame, only needs alone to operate can install the completion. The specific installation method is as follows: firstly, a worker fixedly installs the sliding rail on the window frame, then the supporting arm is unfolded for a certain angle, then the T-shaped groove at the bottom of the window sash frame is aligned to the clamping piece on the supporting arm, then the window sash frame is moved, the clamping piece is clamped into the T-shaped groove at the bottom of the window sash frame, the convex part on the clamping piece can limit the swinging of the window sash frame, at the moment, the worker can vacate two hands, and then the window sash frame is fixed on the supporting arm through screws. The whole installation process is simple and convenient, and the installation process can be operated by only one person, so that the manual installation cost is reduced.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view showing the usage state of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a sectional view showing a use state of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a bottom view of the present invention;

fig. 7 is an enlarged view of a portion B in fig. 6.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear …) in the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. In addition, the descriptions related to "preferred", "less preferred", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "preferred" or "less preferred" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 to 7, the utility model provides a door and window hinge, including slide rail 1, slider 2, long cantilever 3, short cantilever 4 and trailing

arm

5, 2 slidable mounting of slider can slide along slide rail 1 on slide rail 1, long cantilever 3's one end is articulated with slide rail 1, the other end is articulated with trailing arm 5, short cantilever 4's one end is articulated with slider 2, the other end is articulated with trailing arm 5, be provided with the screens piece in the T-slot 71 that can pack into other objects on the trailing arm 5, be provided with on the screens piece can block the convex part in T-slot 71 and break away from T-slot 71 with the restriction screens piece.

Furthermore, the bracket arm 5 is provided with a through hole 501 for mounting a screw.

Referring to fig. 2 and 4, with the bottom of window sash frame 7, the door frame of the utility model discloses the adaptation all has T-slot 71 to this door and window hinge uses on the flat-open window as an example, and during installation window sash frame 7, only need alone the operation can install the completion. The specific installation method is as follows: firstly, a worker fixedly installs the sliding rail 1 on the window frame 8, then the supporting arm 5 is unfolded by a certain angle, then the T-shaped groove 71 at the bottom of the window sash frame 7 is aligned to the clamping piece on the supporting arm 5, then the window sash frame 7 is moved, the clamping piece is clamped into the T-shaped groove 71 at the bottom of the window sash frame 7, the convex part on the clamping piece can limit the swinging of the window sash frame 7, at the moment, the worker can vacate two hands, and then the window sash frame 7 is fixed on the supporting arm 5 through screws. The whole installation process is simple and convenient, and can be operated by only one person, so that the manual installation cost is favorably reduced.

In a preferred scheme of the utility model, the screens piece is including setting up boss 51 on trailing arm 5 and setting up pin 52 on trailing arm 5, and the convex part is including setting up on boss 51 and forward bellied first convex part 511 and setting up in the spacing platform 521 of the one end of pin 52. The first convex portion 511 and the limiting base 521 are located on the same side of the bracket 5, and the front edge of the first convex portion 511 and the rear edge of the limiting base 521 are staggered so that the first convex portion 511 and the limiting base 521 can be respectively clamped on the front side and the rear side of the same T-shaped groove 71. With this design, a firm abutment is obtained. Preferably, the boss 51 is a structure that is directly stamped and formed on the bracket arm 5.

In particular, the long cantilever 3 is hinged to the bracket arm 5 by means of a pin 52. The pin 52 is dual-purpose, which is beneficial to reducing the cost.

In some embodiments of the present invention, the above-mentioned blocking element may also adopt other structural forms, such as: a T-block 61 is used which is fixed to the bracket 5 and can be engaged with a T-shaped slot 71 of another object.

In a preferred embodiment of the present invention, the one end of the bracket 5 is detachably connected to the side connecting block 6, and the side connecting block 6 is provided with a T-shaped block 61 that can be inserted into a T-shaped groove 71 of another object. The side connecting block 6 is provided with a set screw 62, and when the T-shaped block 61 is clamped into the T-shaped groove 71 of other objects, the side connecting block 6 can be locked with the other objects through the set screw 62. The side connecting block 6 is provided with a vertical hole 63, and the side connecting block 6 is detachably connected with the bracket 5 through a bolt 64 penetrating the vertical hole 63. The window sash frame 7 and the door frame which are adapted to the scheme not only have T-shaped grooves 71 at the bottoms, but also have T-shaped grooves 71 matched with the T-shaped blocks 61 on the side connecting blocks 6 at the side parts. Taking the application of the door and window hinge on a casement window as an example, before the window sash frame 7 is installed, the T-shaped block 61 of the side connecting block 6 can be clamped in the T-shaped groove 71 at the side part of the window sash frame 7, after the clamping piece is clamped in the T-shaped groove 71 at the bottom of the window sash frame 7, the side connecting block 6 and the support arm 5 are fixed through the bolt 64, and finally the side connecting block 6 and the window sash frame 7 are locked and fixed through the fastening screw 62.

Furthermore, one side of the long cantilever 3 is provided with a positioning plane 31, and the short cantilever 4 is provided with a clamping plane 41 which is attached to the positioning plane 31 when the long cantilever 3 and the short cantilever 4 are both unfolded. When the bracket arm 5, the long cantilever 3 and the short cantilever 4 are unfolded, the clamping plane 41 is attached to the positioning plane 31, so that the positioning effect can be achieved, and the stability of the unfolded state is improved.

Furthermore, transition fillets 42 are arranged on the short cantilever 4 and located on two sides of the clamping plane 41. The transition round angle 42 is arranged, so that the door and window hinge is smoother when being switched between the unfolding state and the folding state.

The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. The utility model provides a door and window hinge, includes slide rail (1), slider (2), long cantilever (3), short cantilever (4) and trailing arm (5), slider (2) slidable mounting in on slide rail (1), the one end of long cantilever (3) with slide rail (1) are articulated, the other end with trailing arm (5) are articulated, the one end of short cantilever (4) with slider (2) are articulated, the other end with trailing arm (5) are articulated, its characterized in that, be provided with the screens piece in the T-slot that can pack into other objects on trailing arm (5), be provided with the convex part that can block in the T-slot on the screens piece and with the restriction the screens piece breaks away from in the T-slot.

2. A door and window hinge according to claim 1, characterized in that the bracket arm (5) is further provided with a through hole (501) for mounting a screw.

3. A door and window hinge according to claim 1, wherein said catch member comprises a boss (51) provided on said bracket arm (5), and said protrusion comprises a first protrusion (511) provided on said boss (51) and protruding forward.

4. The door and window hinge according to claim 3, wherein the blocking part further comprises a pin (52) arranged on the bracket arm (5), the convex part further comprises a limiting table (521) arranged on the outer side wall of one end of the pin (52), the first convex part (511) and the limiting table (521) are positioned on the same side of the bracket arm (5), and the front edge of the first convex part (511) and the rear edge of the limiting table (521) are staggered so that the first convex part (511) and the limiting table (521) can be respectively blocked on two sides of the same T-shaped groove.

5. A hinge according to claim 4, characterized in that said long cantilever (3) is hinged to said bracket (5) by means of said pin (52).

6. A door and window hinge as claimed in claim 1, wherein one end of the bracket arm (5) is detachably connected with a side connecting block (6), and a T-shaped block (61) capable of being snapped into a T-shaped groove of other objects is arranged on the side connecting block (6).

7. A door and window hinge according to claim 6, characterized in that the side connecting block (6) is provided with a set screw (62), and the T-shaped block (61) is locked with other objects through the set screw (62) when being clamped into the T-shaped groove of other objects.

8. A hinge as claimed in claim 6, characterized in that the side connecting pieces (6) are provided with vertical holes (63), the side connecting pieces (6) being detachably connected to the bracket arms (5) by means of bolts (64) extending through the vertical holes (63).

9. Door and window hinge according to claim 1, characterized in that one side of the long cantilever (3) is provided with a positioning plane (31), and the short cantilever (4) is provided with a blocking plane (41) which is attached to the positioning plane (31) when both the long cantilever (3) and the short cantilever (4) are unfolded.

10. Door and window hinge according to claim 9, characterized in that said short cantilever (4) is provided with transition fillets (42) on both sides of said blocking plane (41).