A quick-installation and quick-disassembly connection device for door and window sashes

Abstract

This utility model discloses a quick-installation and quick-disassembly connection device for door and window sashes, including a first connecting seat for connecting the door and window sashes and a second connecting seat for connecting the hinges. The first connecting seat has a receiving cavity, and the second connecting seat has a limiting part that can extend into the receiving cavity. A locking member that can lock with the limiting part is movably connected in the receiving cavity, thereby connecting the second connecting seat and the first connecting seat. A pressing member that can drive the locking member to disengage from the limiting part is also movably connected in the first connecting seat. The locking member is elastically connected to the first connecting seat, thereby enabling the pressing member to reset and lock the locking member with the limiting part. The user only needs to press once to trigger the separation of the locking member from the limiting part, realizing the quick disassembly of the movable sash. After releasing the pressing member, the locking member can automatically reset under the drive of the elastic connection and re-lock with the limiting part. The entire process does not require the use of screwdrivers or other tools, greatly simplifying the operation steps, eliminating screw fixation, and improving installation efficiency and aesthetics.

Description

Technical Field

[0001] This utility model relates to the field of door and window accessories, and in particular to a quick-installation and quick-disassembly connection device for door and window sashes. Background Technology

[0002] With the continuous development of modern building door and window technology, users have placed higher demands on the ease of installation, disassembly efficiency, and aesthetic appearance of door and window sashes. Traditional door and window sash connection structures often use screw fixing methods, such as rigidly connecting the door and window sash to the frame using bolts or self-tapping screws. However, this type of structure reveals significant drawbacks in practical use: when it is necessary to disassemble the door and window sash for cleaning, repair, or replacement, users must loosen and remove each fixing screw individually, a cumbersome and time-consuming process. Repeated disassembly and reassembly can easily cause the screw holes to loosen, affecting the stability of the connection. Furthermore, exposed screw heads not only detract from the overall appearance of the product.

[0003] To address these issues, quick-installation and quick-disassembly connection technologies have gradually emerged in the market. Existing quick-installation structures mainly fall into the following two categories:

[0004] 1. Bushing-fixed structure: This type of structure achieves quick installation through the cooperation of a bushing and a connector, but requires an additional independent unlocking component, such as a pull-type unlocking rod or slider, for disassembly. Users need to apply significant pulling or pushing force to trigger the unlocking. However, the mounting base of this type of structure still relies on screws or fastening bolts to be fixed to the door and window frame, making the installation process still complex and not truly achieving "tool-free" disassembly and assembly. In addition, the exposed design of the unlocking component can easily cause visual clutter, and after long-term use, the unlocking mechanism is prone to wear and tear, leading to jamming and failure.

[0005] 2. Screw-unlocking structure: It can release the locking component from the limit by loosening the built-in screw. Although it can simplify the disassembly and assembly steps to a certain extent, it still requires the use of tools such as screwdrivers to tighten the screw. In essence, it still does not get rid of the dependence on auxiliary tools. Moreover, frequent tightening can easily cause the screw to strip, reducing the reliability of the structure.

[0006] More notably, existing quick-installation structures generally have components such as fasteners, screws, or pins exposed on the surface of the connecting device, affecting the simplicity and aesthetics of the door and window sashes.

[0007] This utility model is based on the above-mentioned circumstances. Utility Model Content

[0008] This utility model overcomes the shortcomings of the prior art and provides a quick-installation and quick-disassembly connection device for door and window sashes that can eliminate screw fixing, achieve tool-free operation, and at the same time take into account structural simplicity, connection reliability and aesthetic appearance.

[0009] This utility model is achieved through the following technical solution:

[0010] A quick-installation and quick-disassembly connection device for door and window sashes includes a first connecting seat for connecting the door and window sashes and a second connecting seat for connecting hinges. The first connecting seat has a receiving cavity, and the second connecting seat has a limiting part that can extend into the receiving cavity. A locking member that can lock with the limiting part is movably connected in the receiving cavity, thereby connecting the second connecting seat and the first connecting seat. A pressing member that can drive the locking member to disengage from the limiting part is also movably connected in the first connecting seat. The locking member is elastically connected to the first connecting seat, thereby enabling the pressing member to reset and thus locking the locking member with the limiting part.

[0011] As described above, a quick-installation and quick-disassembly connection device for door and window sashes includes a push structure between the pressing member and the locking member that can push the locking member away from the limiting part when the pressing member moves towards the locking member. The push structure includes an inclined surface structure or an arc-shaped surface structure.

[0012] As described above, a quick-installation and quick-release connection device for door and window sashes includes a pushing structure on the pressing component and / or locking component.

[0013] As described above, a quick-installation and quick-disassembly connection device for door and window sashes has a guide groove or guide block on the side wall of the receiving cavity, and a slider that cooperates with the guide groove on the locking component or a sliding groove that cooperates with the guide block on the locking component.

[0014] As described above, a quick-installation and quick-disassembly connection device for a door and window sash is provided in which the first connecting seat is provided with a through hole communicating with the receiving cavity, and the pressing member includes a pushing part provided in the receiving cavity and a pressing part that can extend out of the through hole. A first limiting structure is provided between the pressing part and the pushing part to restrict the pressing member from being dislodged from the through hole.

[0015] As described above, a quick-installation and quick-disassembly connection device for door and window sashes includes an elastic reset member between the locking member and the side of the receiving cavity, which enables the locking member to reset and lock with the limiting part.

[0016] As described above, a quick-installation and quick-disassembly connection device for door and window sashes is provided on the locking member, which is provided with a first connecting post or a first embedded groove for connecting an elastic reset member, and the side wall of the receiving cavity is provided with a second connecting post or a second embedded groove for connecting an elastic reset member at the position corresponding to the first connecting post or the first embedded groove.

[0017] As described above, a quick-installation and quick-disassembly connection device for door and window sashes has a socket on one side of the first connecting seat for inserting the limiting part into the receiving cavity. The first connecting seat is provided with a first limiting block that extends into the socket, and the first limiting block circumferentially positions the limiting part within the socket.

[0018] As described above, a quick-installation and quick-disassembly connection device for door and window sashes is provided in the receiving cavity, wherein a second limiting block is provided to limit the upper part of the limiting part.

[0019] As described above, a quick-installation and quick-disassembly connection device for door and window sashes includes a second connecting seat comprising a connecting plate for connecting a limiting part. A limiting support plate for limiting the swing of the second connecting seat is clamped between the connecting plate and the hinge. A snap-fit ​​groove for engaging with the movable sash is provided between the connecting plate and the hinge. The limiting support plate is provided with a snap-fit ​​section that is narrower at the front and wider at the back. The two side walls of the snap-fit ​​section are the bottom of the snap-fit ​​groove. The lower part of the connecting plate is provided with a protrusion that extends into the snap-fit ​​groove to further clamp the movable sash.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] This product features a linked design between the pressing and locking components. Users only need to press once to trigger the separation of the locking component from the limiting part, enabling quick disassembly of the movable window. After releasing the pressing component, the locking component automatically resets under the drive of the elastic connection and re-locks with the limiting part. The entire process requires no screwdrivers or other tools, greatly simplifying the operation and making it especially suitable for scenarios such as screen windows that require frequent disassembly and cleaning. Eliminating screw fixation improves installation efficiency and aesthetics.

[0022] The locking mechanism between the fastener and the limiting part employs a rigid locking mechanism, combined with the continuous clamping force provided by the elastic connection, ensuring that the connection device has high tensile and shear strength in the closed state, effectively preventing the door and window sashes from accidentally disengaging due to external vibration or impact. At the same time, the fastener is concealed inside the receiving cavity, avoiding the risk of accidental activation and enhancing safety. Attached Figure Description

[0023] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is a cross-sectional schematic diagram of the present invention;

[0026] Figure 3 This is an exploded view of the present invention. Figure 1 ;

[0027] Figure 4 This is an exploded view of the present invention. Figure 2 ;

[0028] Figure 5 This is a schematic diagram of the locking mechanism of this utility model in the locked state;

[0029] Figure 6 This is a schematic diagram of the usage state of this utility model;

[0030] Figure 7 This is a schematic diagram of the structure of the second connecting seat in this utility model;

[0031] Figure 8 This is a schematic diagram of the limiting plate in this utility model. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings:

[0033] like Figures 1 to 8 The diagram shows a quick-installation and quick-disassembly connection device for door and window sashes, including a first connecting seat 1 for connecting the door and window sashes and a second connecting seat 2 for connecting the hinges. The first connecting seat 1 has a receiving cavity 10, and the second connecting seat 2 has a limiting part 3 that can extend into the receiving cavity 10. A locking member 4 that can lock with the limiting part 3 is movably connected in the receiving cavity 10, thereby connecting the second connecting seat 2 and the first connecting seat 1. A pressing member 5 that can drive the locking member 4 to disengage from the limiting part 3 is also movably connected in the first connecting seat 1. The locking member 4 is elastically connected to the first connecting seat 1, thereby allowing the pressing member 5 to reset and lock the locking member 4 with the limiting part 3.

[0034] This product utilizes a linkage design between the pressing component 5 and the locking component 4. Users only need to press once to trigger the separation of the locking component 4 from the limiting part 3, enabling quick disassembly of the movable sash 93. After releasing the pressing component 5, the locking component 4 automatically resets under the drive of the elastic connection and re-locks with the limiting part 3. The entire process requires no screwdrivers or other tools, significantly simplifying the operation, making it particularly suitable for scenarios such as screen windows that require frequent disassembly and cleaning. Eliminating screw fixation improves installation efficiency and aesthetics. The locking component 4 and the limiting part 3 employ a rigid locking mechanism, combined with the continuous clamping force provided by the elastic connection, ensuring high tensile and shear strength of the connection device in the closed state, effectively preventing accidental detachment of the door / window sash due to external vibration or impact. Simultaneously, the locking component 4 is concealed inside the receiving cavity 10, avoiding the risk of accidental activation and enhancing safety.

[0035] The door / window sash includes an outer frame 91 and a movable sash 93 connected to the outer frame 91 via a hinge 92. The first connecting seat 1 has locking structures 15 on both sides for engaging with the movable sash 93. The second connecting seat 2 has a connecting mechanism 16 that allows it to be fixedly connected to the hinge 92. The locking structure 15 can be a slot or a locking block, or other easily detachable structure. The connecting mechanism 16 can be a mounting hole, connected via a hinge pin or other connecting structure.

[0036] A pushing structure 6 is provided between the pressing member 5 and the locking member 4, which can push the locking member 4 away from the limiting part 3 when the pressing member 5 moves towards the locking member 4. The pushing structure 6 includes an inclined surface structure or an arc-shaped surface structure. In one embodiment, the pushing structure 6 is provided only at the end where the pressing member 5 abuts against the locking member 4; in another embodiment, the pushing structure 6 is provided only at the end where the locking member 4 abuts against the pressing member 5; in yet another embodiment, the pushing structures 6 are provided at both the end where the pressing member 5 abuts against the locking member 4 and the end where the locking member 4 abuts against the pressing member 5, and they can cooperate with each other.

[0037] In some embodiments, the pressing member 5 extends from the upper end of the first connecting seat 1 and slides in the vertical direction.

[0038] In some embodiments, the side wall of the receiving cavity 10 is provided with a guide groove or a guide block 71, and the locking member 4 is provided with a slider that cooperates with the guide groove or a sliding groove 72 that cooperates with the guide block 71. By constraining the sliding trajectory of the locking member 4, the locking accuracy of the locking member 4 is ensured.

[0039] In some embodiments, the first connecting seat 1 is provided with a through hole 11 communicating with the receiving cavity 10. The pressing member 5 includes a pushing part 51 disposed in the receiving cavity 10 and a pressing part 52 that can extend out of the through hole 11. A first limiting structure 53 is provided between the pressing part 52 and the pushing part 51 to prevent the pressing member 5 from disengaging from the through hole 11. The through hole 11 can guide the movement of the pressing part 52, thereby ensuring that the pushing part 51 is accurately pushed by the locking member 4. The aforementioned first limiting structure 53 can be a limiting structure such as a locking block or a locking ring.

[0040] In some implementations, the locking element 4 is made of an elastic material and can be reset by its own elasticity.

[0041] In some embodiments, an elastic reset member 8 is provided between the locking member 4 and the side of the receiving cavity 10, which can reset the locking member 4 and lock it with the limiting part 3. The elastic reset member 8 may be a reset spring or other elastic structure.

[0042] Furthermore, the locking member 4 is provided with a first connecting post or a first embedding groove 41 for connecting the elastic reset member 8, and the side of the receiving cavity 10 is provided with a second connecting post 12 or a second embedding groove for connecting the elastic reset member 8 at the position corresponding to the first connecting post or the first embedding groove 41; thereby facilitating the installation of the elastic reset member 8 and preventing the elastic reset member 8 from being misaligned when deformed.

[0043] In some embodiments, the limiting part 3 may be a connecting ear, hook, slot or pin, or other structure that can be fastened to the locking member 4. The locking member 4 may also be a connecting ear, hook, slot or pin, or other structure.

[0044] In some embodiments, the first connecting seat 1 includes an outer shell 17 and a baffle 18 connected to the outer shell 17. The receiving cavity 10 is formed by the outer shell 17 and the baffle 18. The outer shell 17 is provided with at least two positioning pins 171. The baffle 18 is provided with insertion holes 181 at the positions corresponding to the positioning pins 171. Of course, the baffle 18 can be connected to the outer shell 17 by interference fit between the positioning pins 171 and the insertion holes 181. The baffle 18 can also be connected to the outer shell 17 by connection structures such as snap-fit, welding, hot melt or glue.

[0045] In some embodiments, a socket 13 is provided on one side of the first connecting seat 1 for the limiting part 3 to be inserted into the receiving cavity 10. The first connecting seat 1 is provided with a first limiting block 14 that extends into the socket 13. The first limiting block 14 positions the limiting part 3 circumferentially within the socket 13. A second limiting block 141 is also provided in the receiving cavity 10 to limit the upper part of the limiting part 3. The cooperation of the first limiting block 14 and the second limiting block 141 restricts the left-right and front-back swaying of the limiting part 3, thereby reducing the shaking and abnormal noise of the movable fan 93 when it is opened and closed.

[0046] In some embodiments, the second connecting seat 2 includes a connecting plate 22 connecting the limiting part 3. A limiting support plate 21 for restricting the swing of the second connecting seat 2 is held between the connecting plate 22 and the hinge. A locking groove 24 for engaging with the movable fan 93 is provided between the connecting plate 22 and the hinge. The limiting support plate 21 has a locking section 211 that is narrower at the front and wider at the back. The two side walls of the locking section 211 form the bottom of the locking groove 24, thereby gradually locking the movable fan 93 when it is inserted. The lower part of the connecting plate 22 has a protrusion 221 that extends into the locking groove 24 to further lock the movable fan 93. The limiting support plate 21 can be connected to the hinge 92 via other connecting structures such as a hinge seat or an elastic buckle. The connecting plate 22 can be connected to the limiting plate 21 by other connecting structures such as hinge seats or elastic buckles. The connecting plate 22 or the limiting plate 21 is provided with positioning holes 200. When the connecting plate 22 is provided with positioning holes 200, the limiting plate 21 is provided with positioning blocks 23 that can be inserted into the positioning holes 200. When the limiting plate 21 is provided with positioning holes 200, the connecting plate 22 is provided with positioning blocks 23 that can be inserted into the positioning holes 200, thereby restricting the hinge 92 from swaying left and right or up and down.

[0047] Furthermore, the connecting plate 22 is a metal part and the limiting plate 21 is a plastic part. Compared with the noise caused by hard friction between metal parts, the cooperation between the metal parts and the plastic parts can further reduce the noise caused by friction between the limiting plate 21 and the hinge 92.

Claims

1. A quick-installation and quick-disassembly connection device for door and window sashes, characterized in that: The device includes a first connecting seat (1) for connecting door and window sashes and a second connecting seat (2) for connecting hinges. The first connecting seat (1) has a receiving cavity (10). The second connecting seat (2) has a limiting part (3) that can extend into the receiving cavity (10). The receiving cavity (10) is movably connected to a locking member (4) that can lock with the limiting part (3) so that the second connecting seat (2) is connected to the first connecting seat (1). The first connecting seat (1) is also movably connected to a pressing member (5) that can drive the locking member (4) to disengage from the limiting part (3). The locking member (4) is elastically connected to the first connecting seat (1) so that the pressing member (5) can be reset and the locking member (4) can be locked with the limiting part (3).

2. The quick-installation and quick-disassembly connection device for door and window sashes according to claim 1, characterized in that: A push structure (6) is provided between the pressing member (5) and the locking member (4) to push the locking member (4) away from the limiting part (3) when the pressing member (5) moves towards the locking member (4). The push structure (6) includes an inclined surface structure or an arc-shaped surface structure.

3. The quick-installation and quick-disassembly connection device for door and window sashes according to claim 2, characterized in that: The pressing member (5) and / or the locking member (4) are provided with a pushing structure (6).

4. The quick-installation and quick-disassembly connection device for door and window sashes according to claim 3, characterized in that: The cavity (10) has a guide groove or guide block (71) on its side wall, and the locking member (4) has a slider that cooperates with the guide groove or a sliding groove (72) that cooperates with the guide block (71).

5. The quick-installation and quick-disassembly connection device for door and window sashes according to claim 4, characterized in that: The first connecting seat (1) is provided with a through hole (11) communicating with the receiving cavity (10). The pressing member (5) includes a pushing part (51) provided in the receiving cavity (10) and a pressing part (52) that can extend out from the through hole (11). A first limiting structure (53) that can restrict the pressing member (5) from dislodging from the through hole (11) is provided between the pressing part (52) and the pushing part (51).

6. A quick-installation and quick-disassembly connection device for door and window sashes according to any one of claims 1-5, characterized in that: An elastic reset member (8) is provided between the locking member (4) and the side of the receiving cavity (10) to reset the locking member (4) and lock it with the limiting part (3).

7. The quick-installation and quick-disassembly connection device for door and window sashes according to claim 6, characterized in that: The locking member (4) is provided with a first connecting post or a first embedding groove (41) for connecting the elastic reset member (8), and the side wall of the receiving cavity (10) is provided with a second connecting post (12) or a second embedding groove for connecting the elastic reset member (8) at the position corresponding to the first connecting post or the first embedding groove (41).

8. A quick-installation and quick-disassembly connection device for door and window sashes according to any one of claims 1-5, characterized in that: The first connecting seat (1) has a socket (13) on one side for the limiting part (3) to be inserted into the receiving cavity (10). The first connecting seat (1) has a first limiting block (14) that extends into the socket (13). The first limiting block (14) positions the limiting part (3) circumferentially within the socket (13).

9. A quick-installation and quick-disassembly connection device for door and window sashes according to claim 8, characterized in that: The cavity (10) is also provided with a second limiting block (141) that can limit the upper part of the limiting part (3).

10. A quick-installation and quick-disassembly connection device for door and window sashes according to any one of claims 1-5, characterized in that: The second connecting seat (2) includes a connecting plate (22) connecting the limiting part (3). The connecting plate (22) and the hinge hold a limiting support plate (21) for limiting the swing of the second connecting seat (2). The connecting plate (22) and the hinge are provided with a snap-fit ​​groove (24) for snapping with the movable fan. The limiting support plate (21) is provided with a snap-fit ​​section (211) that is narrow at the front and wide at the back. The two side walls of the snap-fit ​​section (211) are the bottom of the snap-fit ​​groove (24). The lower part of the connecting plate (22) is provided with a protrusion (221) that extends into the snap-fit ​​groove (24) to further snap the movable fan.

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