Hinge bearing structure
By setting a combined structure of corner codes and latch connectors at the corner corners of the window sash, the load-bearing performance of the hinge is enhanced, the problem of sagging window sash is solved, and safety hazards are reduced.
Patent Information
- Application Number
- CN202422064268.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The load-bearing properties of the existing casement window hinges are insufficient, resulting in the sash sagging, posing safety hazards.
By setting corner codes at the corners of the sash and using a combined structure of pins and connectors to form a right-angle structure, the load-bearing performance of the hinge is enhanced and the sash is prevented from sagging.
Improve the load-bearing performance of the hinge, prevent the sash from falling angles, and reduce safety hazards.
Smart Images

Figure CN223119759U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of casement window hinges, in particular to a hinge load-bearing structure. Background Art
[0002] The casement window is a common window style in civil residential houses. The opening and closing of the window sash move along a certain horizontal direction. The casement window includes a window frame profile group and a window sash profile group, and the hinge is one of the essential accessories for the casement window. Referring to the heavy-duty casement window hinge with the publication (announcement) number: CN217380152U, the hinge includes a frame connection seat fixedly installed on the window frame, a support arm fixedly installed on the window sash, and a plurality of connecting rods. The support arm is inserted into the hardware groove on the upper or lower side of the window sash and is fixedly connected by screws. The mounting block is fixedly installed in the hardware groove on the side of the window sash through a clamping member to assist in fixing, so as to realize the fixed connection between the support arm and the window sash. As the quality of the casement window becomes heavier and heavier, although hinges are provided on both the upper and lower sides of the window sash, the current hinges have insufficient load-bearing capacity. Only a single-sided connection is formed between the support arm structure and the upper or lower side of the window sash, making it difficult to effectively support the window sash. If the support force of the hinge is insufficient, the window sash will sag, that is, the so-called "corner dropping", which poses a safety hazard. Summary of the Utility Model
[0003] The utility model aims to provide a hinge load-bearing structure to improve the load-bearing performance of the hinge and prevent the window sash from dropping corners.
[0004] To achieve the above object, the utility model provides the following technical solution: A hinge load-bearing structure includes a window frame, a window sash, and a hinge body. A corner block is provided at the corner of the window sash. The hinge body includes a frame fixing plate installed on the window frame, a sash fixing plate installed on the window sash, and a plurality of connecting rods. The frame fixing plate and the sash fixing plate are connected by the plurality of connecting rods. A plug pin is vertically provided at one end of the sash fixing plate. The plug pin is rotatably connected to a connecting member, and the connecting member is slidably connected to the window sash, and the connecting member is connected to one side of the window sash by a locking screw.
[0005] Further, corner blocks are provided at the corners of the window sash, and the setting height of the locking screw is higher than the setting height of the corner block.
[0006] Further, a connecting portion is provided on one side of the connecting member, and a hardware groove is provided on the outer side of the window sash, and the connecting portion is slidably connected to the hardware groove.
[0007] Further, the sash fixing plate is inserted into the hardware groove.
[0008] Further, a load-bearing plate is fixedly provided at the bottom of the frame fixing plate.
[0009] Further, a plurality of mounting holes penetrating to the bottom of the load-bearing plate are provided on the frame fixing plate.
[0010] Further, the plurality of connecting rods include a long connecting rod, a short connecting rod and an auxiliary connecting rod. One ends of the long connecting rod and the short connecting rod are respectively hinged to two end portions on the lower side of the fan fixing plate, and one end of the auxiliary connecting rod is hinged to the frame fixing plate, and the other end is hinged to one end portion of the long connecting rod close to the fan fixing plate.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: by connecting the provided fan fixing plate to the side of the horizontal row of the window sash, a bolt is provided on the fan fixing plate, and a connecting member is detachably connected by using the bolt. The connecting member is fixedly connected to the side of the vertical row of the window sash, and the connecting member and the fan fixing plate form a right-angle structure corresponding to the corner of the window sash, so as to improve its load-bearing performance, prevent the window sash from sagging and dropping corners, and thus reduce potential safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic structural diagram of the hinge body in the present utility model.
[0013] Figure 2 It is a side view of the hinge body in the present utility model.
[0014] Figure 3 It is a perspective view of the fan fixing plate in the present utility model.
[0015] Figure 4 It is a perspective view of the connecting member in the present utility model.
[0016] Figure 5 It is an installation schematic diagram of the present utility model.
[0017] In the figure: hinge body 1, connecting member 2, frame fixing plate 11, fan fixing plate 12, connecting portion 21, window sash 99, bolt 102, load-bearing plate 110, mounting hole 111, long connecting rod 131, short connecting rod 132, auxiliary connecting rod 133, first through hole 200, corner code 991. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.
[0019] As shown in the drawings, a hinge load-bearing structure of the present utility model includes a window frame, a window sash 99, and a hinge body 1. It should be noted that the window frame and the window sash are existing structures, so they are not shown in the drawings. Figure 5It is only for showing the position of the corner fitting 991 inside the window sash 99 and the installation height of the corner fitting 991 and the bolt 102. A corner fitting 991 is provided at the corner of the window sash 99. The hinge body 1 includes a frame fixing plate 11 installed on the window frame, a sash fixing plate 12 installed on the window sash 99, and a plurality of connecting rods. The frame fixing plate 11 and the sash fixing plate 12 are connected by the plurality of connecting rods. A bolt 102 is vertically provided at one end of the sash fixing plate 12. The bolt 102 is rotatably connected to a connecting member 2. The connecting member 2 is provided with a first through hole for the bolt 102 to insert. The connecting member 2 is slidably connected to the window sash 99, and the connecting member 2 is connected to one side of the window sash 99 by a locking screw. The window sash 99 is provided with a second through hole for the locking screw to pass through. The connecting member 2 is installed on the side of the window sash 99 to increase the force on the side of the window sash 99, so that the hinge body 1 no longer relies only on the force points connecting the upper and lower sides of the window sash 99.
[0020] In a hinge load-bearing structure of the present utility model, the sash fixing plate 12 provided is connected to the horizontal side of the window sash 99. A bolt 102 is provided on the sash fixing plate 12, and a connecting member 2 is detachably connected by using the bolt 102. The connecting member 2 is fixedly connected to the vertical side of the window sash 99. The connecting member 2 and the sash fixing plate 12 form a right-angle structure corresponding to the corner of the window sash 99 to improve its load-bearing performance, prevent the window sash 99 from sagging and dropping corners, thereby reducing potential safety hazards. Combining with the existing structure, generally, a flat window is equipped with two hinge bodies 1, and the two hinge bodies 1 are symmetrically placed above and below the window sash 99. The connecting members 2 on the two hinge bodies 1 are first inserted into the window sash 99. At this time, the connecting member 2 can slide on the window sash 99. The upper hinge body 1 is inserted into the upper profile of the window sash 99 through the sash fixing plate 12 and fixedly connected. The corresponding connecting member 2 is inserted onto the bolt 102, and the locking screw passes through the connecting member 2 and penetrates into the profile of the window sash 99, so that the hinge body 1 forms a right-angle bracket on the upper part of the window sash 99. The other hinge body 1 is inserted into the lower profile of the window sash 99 through the sash fixing plate 12 and fixedly connected. The connecting member 2 of this hinge body 1 is inserted onto the corresponding bolt 102, and the locking screw passes through the connecting member 2 and penetrates into the profile of the window sash 99. This hinge body 1 forms a right-angle bracket on the lower part of the window sash 99 through the sash fixing plate 12 and the connecting member. The upper and lower two hinge bodies 1 jointly fix the window sash 99.
[0021] In this embodiment, corner fittings 991 are provided at the corners of the window sash 99. The installation height of the locking screw is higher than the installation height of the corner fitting 991. The corner fitting 991 is a connecting device for connecting the profiles of the window sash 99, which belongs to the existing structure. The two adjacent profiles on the existing window sash 99 are leveled and connected by the corner fitting 991, and caulking is applied at the corner fitting 991 for reinforcement. The reason for setting the installation height of the locking screw higher than the installation height of the corner fitting 991 is to avoid the corner fitting 991 structure and prevent the locking screw from damaging the corner fitting 991 when driving into the profile.
[0022] In this embodiment, a connecting portion 21 is provided on one side of the connecting member 2, a hardware groove is provided on the outer side of the window sash 99, the connecting portion 21 is slidably connected to the hardware groove, and the hardware groove is provided on the profile for installing door and window fittings, which belongs to the existing door and window structure. The fan fixing plate 12 is inserted into the hardware groove, and the fan fixing plates 12 are respectively inserted into and fixed to the hardware grooves on the upper and lower sides of the window sash 99, and the connecting portion 21 of the connecting member 2 is inserted into and fixed to the hardware groove on the vertical side of the window sash 99.
[0023] In this embodiment, a load-bearing plate 110 is fixedly provided at the bottom of the frame fixing plate 11, and the load-bearing plate 110 is used to increase the load-bearing performance of the hinge body 1. A plurality of mounting holes 111 penetrating to the bottom of the load-bearing plate 110 are provided on the frame fixing plate 11. The frame fixing plate 11 is fixedly connected to the load-bearing plate 110, and the mounting holes 111 are provided for connecting and fixing the window frame.
[0024] In this embodiment, the frame fixing plate 11 supports the fan fixing plate 12 through a plurality of connecting rods. The plurality of connecting rods include a long connecting rod 131, a short connecting rod 132, and an auxiliary connecting rod 133. As Figure 1 shown, from left to right are the short connecting rod 132, the auxiliary connecting rod 133, and the long connecting rod 131. One ends of the long connecting rod 131 and the short connecting rod 132 are respectively hinged to the two end portions on the lower side of the fan fixing plate 12. One end of the short connecting rod 132 is arranged near one end of the bolt 102, and one end of the long connecting rod 131 is arranged on the side of the fan fixing plate 12 away from the bolt 102. One end of the auxiliary connecting rod 133 is hinged to the frame fixing plate 11, and the other end is hinged to one end portion of the long connecting rod 131 close to the fan fixing plate 12, so as to improve the overall load-bearing capacity of the hinge body 1. Preferably, the long connecting rod 131 is arranged at the golden ratio point of the fan fixing plate 12, and the auxiliary connecting rod 133 is arranged at the golden ratio point of the long connecting rod 131.
[0025] The above embodiments are the preferred embodiments of the present invention. All structures similar to the present invention and equivalent changes made thereto shall fall within the protection scope of the present invention.
Claims
1. A hinge load-bearing structure, comprising a window frame, a window sash, and a hinge body. A corner fitting is provided at the corner of the window sash. The hinge body includes a frame fixing plate installed on the window frame, a sash fixing plate installed on the window sash, and a plurality of connecting rods. It is characterized in that: The frame fixing plate and the fan fixing plate are connected by a plurality of the connecting rods. A latch is vertically arranged at one end of the fan fixing plate. The latch is rotatably connected with a connecting piece, and the connecting piece is slidably connected to the window sash and fixed to the window sash by a locking screw.
2. The hinge load-bearing structure according to claim 1, wherein: Corner codes are arranged at the corners of the window sash, and the setting height of the locking screw is higher than the setting height of the corner code.
3. The hinge load-bearing structure according to claim 1, characterized in that: A connecting portion is arranged on one side of the connecting piece, and a hardware groove is arranged on the outer side of the window sash. The connecting portion is slidably connected to the hardware groove.
4. A hinge load-bearing structure according to claim 3, characterized in that: The fan fixing plate is inserted into the hardware groove.
5. A hinge load-bearing structure according to claim 1, characterized in that: A load-bearing plate is fixedly arranged at the bottom of the frame fixing plate.
6. The hinge load-bearing structure according to claim 5, wherein: A plurality of mounting holes penetrating to the bottom of the load-bearing plate are arranged on the frame fixing plate.
7. A hinge load-bearing structure according to claim 1, characterized in that: The plurality of connecting rods include a long connecting rod, a short connecting rod and an auxiliary connecting rod. One ends of the long connecting rod and the short connecting rod are respectively hinged to the two end parts at the lower side of the fan fixing plate. One end of the auxiliary connecting rod is hinged to the frame fixing plate, and the other end is hinged to one end part of the long connecting rod close to the fan fixing plate.
Citation Information
Patent Citations
Heavy hinge of casement window
CN217380152U