Adjustable door and window connecting structure
By combining the central plate and fasteners, the door and window frames are engaged using U-shaped side pressure parts and serrated parts. Combined with elastic corrugated steel sheets and threaded connections, the problems of difficult adjustment of the fixed steel sheets and loosening due to wind pressure are solved, thus achieving stable installation and flexible adjustment of the door and window frames.
Patent Information
- Application Number
- CN202520397236.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-08
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-08
AI Technical Summary
In the existing technology, it is difficult to adjust the position of the fixing steel plate when it is fixed on the door and window frame, and it is easy to loosen when the wind pressure is high, resulting in unstable installation of the door and window frame.
The system employs a combination structure of a central connecting plate and fasteners. The central connecting plate engages with the door and window frames via a U-shaped side pressing section and a serrated section. The connecting plate and the fixing plate are flexibly fixed through elastic corrugated steel sheets and threaded connections, avoiding the use of steel nails.
It achieves stable installation and flexible adjustment of door and window frames, reduces the risk of instability caused by wind pressure and vibration, and is simple and convenient to operate.
Smart Images

Figure CN223881002U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to door and window connecting technical field especially relates to adjustable door and window connecting structure. BACKGROUND
[0002] At present, door frame or window frame is pre-installed on the wall during door and window installation, and the installation of door frame or window frame basically adopts fixed steel sheet, the thickness of fixed steel sheet is greater than or equal to 1.5mm, the width is greater than or equal to 15mm, the surface is generally treated by hot-dip galvanizing, and door frame, window frame and wall body are connected and fixed by shooting nail or metal expansion bolt, which is suitable for various wall body materials, however, when fixed steel sheet is fixed on door frame or window frame, fixed steel sheet is fixed on door and window frame by shooting nail, on the one hand, it is difficult to adjust the position of fixed steel sheet and wall fixed by the deflection of fixed steel sheet, on the other hand, it is also easy to cause the problem that fixed steel sheet cannot fix door frame or window frame when a nail is used to connect fixed steel sheet and wall due to large wind pressure.
[0003] Therefore, it is necessary to provide a new adjustable door and window connecting structure to solve the above technical problems. CONTENT OF UTILITY MODEL
[0004] In order to solve the above technical problems, the utility model provides an adjustable door and window connecting structure.
[0005] The adjustable door and window connecting structure provided by the utility model comprises a middle connecting plate for clamping door and window and a fixing piece for being fixed on wall body.
[0006] Among them, the both side plate surfaces of the middle connecting plate are fixedly embedded with integrally formed U-shaped side pressing parts, and the U-shaped side pressing parts are provided with sawtooth parts away from the plate head of the middle connecting plate.
[0007] Among them, the fixing piece comprises a connecting plate, one end of the connecting plate is fixedly connected with an elastic corrugated steel sheet, the other end of the elastic corrugated steel sheet is fixedly connected with a fixed plate, and the connecting plate is rotationally connected with the middle connecting plate.
[0008] Preferably, a through hole is formed in the middle connecting plate, and a convex ring coaxially arranged with the through hole is fixedly embedded in the connecting plate surface of the middle connecting plate.
[0009] Preferably, a sleeve ring is fixedly embedded in the connecting plate surface of the connecting plate, and the sleeve ring is sleeved on the convex ring and rotationally connected with the convex ring.
[0010] Preferably, a protruding piece is fixedly installed on one side wall of the sleeve ring, a threaded through hole is formed in the protruding piece, and a fastening screw is inserted into the threaded through hole in threaded connection.
[0011] Preferably, a through cavity coaxial with the threaded through hole and used for fastening the screw rod is arranged on the connecting plate.
[0012] Preferably, a plurality of mounting holes are arranged on the fixing plate.
[0013] Compared with the related art, the adjustable door and window connecting structure has the following beneficial effects:
[0014] 1. In the utility model, the connecting plate cooperates with the U-shaped side pressing parts on both sides to be clamped in the grooves of the side end surface of the door and window frame, the sawtooth part is arranged to enhance the strength of the inner wall of the U-shaped side pressing part in the groove of the door and window, the connecting plate is more stable in installation in the groove of the side end surface of the door and window frame, compared with the traditional technology of fixing the door and window frame by using the fixed steel sheet, the steel nails are not needed to be used to fix the fixed steel sheet on the door and window frame, the operation is simple and convenient.
[0015] 2. In the utility model, after the connecting plate is fixed, the connecting plate is rotated, the fixing plate at the tail of the connecting plate is attached to the appropriate position of the wall according to the need, the flexibility of the fixing plate and the wall during the fixing is improved, after the completion, the screw is used to pass through the mounting hole to fix the fixing plate on the wall, the risk that the steel nails are fallen from the door and window frame to cause the unstable installation of the door and window frame is solved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of a preferable embodiment of the adjustable door and window connecting structure provided by the utility model;
[0017] Figure 2 It is a structural schematic view of the connecting plate shown in the utility model; Figure 1
[0018] It is a structural schematic view of the connecting plate shown in the utility model; Figure 3 Figure 1 It is a structural schematic view of the fixing part shown in the utility model.
[0019] Marked number in the figure: 1, connecting plate; 1a, through hole; 11, U-shaped side pressing part; 12, sawtooth part; 13, convex ring; 2, fixing part; 21, connecting plate; 211, sleeve ring; 212, convex piece; 213, fastening screw; 22, elastic folded steel sheet; 23, fixing plate; 23a, mounting hole. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0021] The specific implementation of the utility model is described in detail below by combining with the specific embodiments.
[0022] Please refer to Figures 1 to 3 The utility model discloses an adjustable door and window connecting structure, the adjustable door and window connecting structure includes the middle connecting plate 1 for the joint of door and window and the fixed part 2 for fixing in the wall body.
[0023] In the embodiment of the utility model, please refer to Figures 1 to 3 The both side plate surfaces of the middle connecting plate 1 are fixedly embedded with the integrally-formed U-shaped side pressing part 11, and the U-shaped side pressing part 11 is provided with a sawtooth part 12 away from the plate head of the middle connecting plate 1, and the fixed part 2 includes a connecting plate 21, one end of the connecting plate 21 is fixedly connected with an elastic corrugated steel sheet 22, and the other end of the elastic corrugated steel sheet 22 is fixedly connected with a fixed plate 23, the connecting plate 21 is rotationally connected with the middle connecting plate 1, and the connecting plate surface of the connecting plate 21 is fixedly embedded with a sleeve ring 211, and the sleeve ring 211 is sleeved on the convex ring 13 and rotationally connected with the convex ring 13, and a plurality of mounting holes 23a are formed in the fixed plate 23.
[0024] It should be noted that: when installing, the middle connecting plate 1 is placed in the recess of the side end surface of the door and window frame, at this time, the outer edges of the U-shaped side pressing parts 11 on both sides of the middle connecting plate 1 are erected between the recesses, then the middle connecting plate 1 is hammered into the recesses by a hammer, and when the middle connecting plate 1 is subjected to external force, the U-shaped side pressing parts 11 fold and slide inwardly to the recesses of the side end surface of the door and window frame, when the U-shaped side pressing parts 11 slide into the recesses of the side end surface of the door and window frame, the U-shaped side pressing parts 11 rebound under the action of the elastic restoring force of the U-shaped side pressing parts 11, so that the middle connecting plate 1 can be firmly clamped in the recesses of the side end surface of the door and window frame in cooperation with the U-shaped side pressing parts 11 on both sides, and the sawtooth part 12 enhances the strength of the U-shaped side pressing parts 11 engaging the inner wall of the recess of the door and window, so that the middle connecting plate 1 is more stable in the recesses of the side end surface of the door and window frame, compared with the traditional technology of fixing the door and window frame with fixed steel sheets, the fixed steel sheets do not need to be fixed on the door and window frame with steel nails, which is simple and convenient to operate.
[0025] When the middle connecting plate 1 is fixed, the connecting plate 21 is rotated, so that the fixed plate 23 at the tail of the connecting plate 21 is attached to the appropriate position of the wall as required, improving the flexibility of the fixed plate 23 when being fixed to the wall, and after completion, the fixed plate 23 is fixed on the wall by using screws passing through the mounting holes 23a, solving the risk that the steel nails will fall off from the door and window frame when the wind pressure is large, resulting in unstable installation of the door and window frame.
[0026] Further, the elastic corrugated steel sheet 22 is arranged between the connecting plate 21 and the fixing plate 23, so that the elastic corrugated steel sheet 22 can be compressed or stretched, and the length of the plate member formed by the connecting plate 21 and the fixing plate 23 can be adjusted, the flexibility of the fixing plate 23 is greatly improved, on the other hand, when the door and window frame vibrates and causes the connecting plate 1 to vibrate synchronously, the elastic corrugated steel sheet 22 can eliminate part of the vibration force, and the hidden danger that the fixing plate 23 is not stable in connection with the wall due to vibration is reduced.
[0027] In the embodiment of the utility model, please refer to Figures 1 to 3 The side wall of the sleeve ring 211 is fixedly provided with a protruding piece 212, a threaded hole is formed in the protruding piece 212, a fastening screw 213 is inserted into the threaded hole in a threaded connection mode, and a through cavity is formed in the connecting plate 21 and is coaxially arranged with the threaded hole and used for allowing the fastening screw 213 to pass through.
[0028] It should be noted that when the position of the fixing plate 23 is adjusted by rotating the connecting plate 21, the fastening screw 213 is rotated to abut against the connecting plate 1, so that the rotating angle of the fixing plate 23 is fixed.
[0029] The working principle of the adjustable door and window connecting structure is as follows:
[0030] When installing, the middle connecting plate 1 is placed at the recess of the side end surface of the door and window frame, at this time, the outer edges of the U-shaped side pressing parts 11 on both sides of the middle connecting plate 1 are erected between the recesses, then the middle connecting plate 1 is hammered into the recesses by a hammer, and after the middle connecting plate 1 is subjected to external force, the U-shaped side pressing parts 11 are folded and slid inwardly to the recesses of the side end surface of the door and window frame, when the U-shaped side pressing parts 11 slide into the recesses of the side end surface of the door and window frame, the U-shaped side pressing parts 11 rebound under the action of the elastic restoring force of the U-shaped side pressing parts 11, so that the middle connecting plate 1 cooperates with the U-shaped side pressing parts 11 on both sides to be firmly clamped in the recesses of the side end surface of the door and window frame, and the sawtooth part 12 is arranged to enhance the strength of the U-shaped side pressing part 11 biting the inner wall of the recess of the door and window, so that the middle connecting plate 1 is more stable in the recess of the side end surface of the door and window frame, compared with the traditional technology of fixing the door and window frame by using a fixed steel sheet, the fixed steel sheet does not need to be fixed on the door and window frame by using a steel nail, and the operation is simple and convenient; when the middle connecting plate 1 is fixed, the connecting plate 21 is rotated, so that the fixed plate 23 at the tail of the connecting plate 21 is attached to the appropriate position of the wall as needed, improving the flexibility of the fixed plate 23 when fixed to the wall, and after completion, the fixed plate 23 is fixed on the wall by using a screw passing through the mounting hole 23a, solving the risk that the steel nail will fall off from the door and window frame when the wind pressure is large, resulting in unstable installation of the door and window frame; the elastic corrugated steel sheet 22 is arranged between the connecting plate 21 and the fixed plate 23, so that the elastic corrugated steel sheet 22 can be compressed or stretched, and the length of the plate formed by the connecting plate 21 and the fixed plate 23 can be adjusted, greatly improving the flexibility of the fixed plate 23 adjustment, on the other hand, when the middle connecting plate 1 is vibrated synchronously due to vibration of the door and window frame, the elastic corrugated steel sheet 22 can eliminate part of the vibration force, thereby reducing the hidden danger that the fixed plate 23 is not stably connected with the wall due to vibration.
[0031] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.
Claims
1. An adjustable door and window connection structure, characterized by, The application relates to a middle connecting plate (1) for connecting doors and windows and a fixing part (2) for fixing on a wall body. The two side plate surfaces of the middle connecting plate (1) are fixedly embedded with integrally-formed U-shaped side pressing parts (11), and the U-shaped side pressing parts (11) are provided with sawtooth parts (12) away from the plate head of the middle connecting plate (1). The fixing part (2) comprises a connecting plate (21), one end of the connecting plate (21) is fixedly connected with an elastic corrugated steel sheet (22), the other end of the elastic corrugated steel sheet (22) is fixedly connected with a fixing plate (23), and the connecting plate (21) is rotationally connected with the middle connecting plate (1).
2. The adjustable door and window connection of claim 1, wherein, A through hole (1a) is formed in the middle connecting plate (1), and a convex ring (13) coaxially arranged with the through hole (1a) is fixedly embedded in the connecting plate surface of the middle connecting plate (1).
3. The adjustable door and window connection of claim 2, wherein, A sleeve ring (211) is fixedly embedded in the connecting plate surface of the connecting plate (21), and the sleeve ring (211) is sleeved on the convex ring (13) and rotationally connected with the convex ring (13).
4. The adjustable door and window connection of claim 3, wherein, A convex sheet (212) is fixedly installed on one side wall of the sleeve ring (211), a threaded through hole is formed in the convex sheet (212), and a fastening screw (213) is inserted into the threaded through hole in a threaded mode.
5. The adjustable door and window connection of claim 4, wherein, A through cavity coaxially arranged with the threaded through hole and used for allowing the fastening screw (213) to pass through is formed in the connecting plate (21).
6. The adjustable door and window connection of claim 1, wherein, A plurality of mounting holes (23a) are formed in the fixing plate (23).