Door and window connecting piece

Abstract

The utility model relates to the technical field of door and window connection, in particular to a door and window connecting piece. The door and window connecting piece comprises a fixed steel sheet, a threaded rod in threaded connection is installed on the fixed steel sheet, and a clamping assembly in rotary connection is installed on the threaded rod. The clamping assembly comprises a V-shaped elastic connecting steel sheet, V-shaped side abutting parts are fixedly connected to the two sides of the V-shaped elastic connecting steel sheet, the plate face, away from the V-shaped elastic connecting steel sheet, of each V-shaped side abutting part is a horizontal plate face, and a plurality of sawteeth are fixedly embedded in the corner of each V-shaped side abutting part. The door and window connecting piece provided by the utility model is simple and convenient to operate, the fixed steel sheet is mounted on the outer side frame edge of the window frame or the door frame without punching on the window frame or the door frame, and the door and window connecting piece is easy to mount and dismount.

Description

TECHNICAL FIELD

[0001] The utility model relates to door and window connecting technology field especially relates to a door and window connecting piece. BACKGROUND

[0002] When installing door and window, door frame or window frame is pre-installed on wall, and the installation of door frame or window frame basically adopts fixed steel sheet, and the fixed steel sheet is connected and fixed with door frame and window frame through nailing, and the fixed steel sheet is fixed with wall body by metal expansion bolt, however, when some wall body appears cavity, it is difficult to effectively fix the fixed steel sheet on the wall body through the metal expansion bolt on the fixed steel sheet, therefore, it is necessary to re-install the fixed steel sheet on the door frame or window frame, and the original fixed steel sheet is difficult to disassemble because of being fixed on the door frame and window frame by nailing, thereby causing the waste of the fixed steel sheet.

[0003] Therefore, it is necessary to provide a new door and window connecting piece to solve the above technical problems. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a door and window connecting piece.

[0005] The door and window connecting piece provided by the utility model comprises a fixed steel sheet, a threaded rod is installed on the fixed steel sheet in a threaded connection mode, and a clamping assembly is installed on the threaded rod in a rotary connection mode.

[0006] The clamping assembly comprises a V-shaped elastic connecting steel sheet, V-shaped side abutting portions are fixedly connected to the two sides of the V-shaped elastic connecting steel sheet, and the plate surface of the V-shaped side abutting portion away from the V-shaped elastic connecting steel sheet is a horizontal plate surface.

[0007] A plurality of sawteeth are fixedly embedded at the corners of the V-shaped side abutting portion.

[0008] Preferably, the threaded rod penetrates through a threaded through hole formed in the middle of the fixed steel sheet and is in threaded connection with the threaded through hole.

[0009] Preferably, a conversion stud head is fixedly embedded on the rod head of the threaded rod, and the conversion stud head is in rotary connection with a rotary connection seat fixedly embedded on the V-shaped elastic connecting steel sheet.

[0010] Preferably, the conversion stud head has a T-shaped structure in cross section, a groove with a T-shaped structure in cross section is formed in the rotary connection seat, and the conversion stud head is inserted into the groove formed in the rotary connection seat and is in rotary connection with the groove.

[0011] Preferably, a plurality of fixing holes are formed on the fixed steel sheet in a uniform distribution mode.

[0012] Preferably, a rod cap is fixedly embedded on the end head of the threaded rod, and a cross recess and / or a linear recess are formed in the rod cap.

[0013] Compared with the related art, the door and window connecting piece has the following beneficial effects:

[0014] When the fixed steel sheet is incorrectly installed at the outer frame of the window or door frame, the electric screwdriver drives the rod cap to rotate the screw rod reversely, and the screw rod is not pressed with the V-shaped elastic connecting steel sheet, at this time, the opening angle of the V-shaped elastic connecting steel sheet decreases under the action of the self elastic restoring force, so that the corner spacing of the V-shaped side abutting portions on both sides of the V-shaped elastic connecting steel sheet is continuously reduced, so that the V-shaped side abutting portions on both sides of the V-shaped elastic connecting steel sheet can be taken out from the groove of the outer frame of the window or door frame and repositioned, the overall operation is simple and convenient, and the installation of the fixed steel sheet at the outer frame of the window or door frame does not need to punch holes on the window or door frame, and is easy to install and disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A preferred embodiment of the door and window connecting piece is shown in the structural schematic view.

[0016] Figure 2 For Figure 1 The explosion structure schematic view is shown in the figure.

[0017] Figure 3 For Figure 1 The top view structural schematic view is shown in the figure.

[0018] Figure 4 For Figure 1 The sectional view structural schematic view is shown in the figure.

[0019] Figure 5 For Figure 4 The sectional view structural schematic view of the clamping assembly and the threaded rod connection is shown in the figure.

[0020] In the figure, 1 is a fixed steel sheet, 1a is a threaded through hole, 1b is a fixed hole, 2 is a clamping assembly, 21 is a V-shaped elastic connecting steel sheet, 22 is a V-shaped side abutting portion, 221 is a sawtooth, 23 is a rotating connection seat, 3 is a screw rod, and 31 is an adapter column head. DETAILED DESCRIPTION

[0021] 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 in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0022] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0023] Please refer to Figures 1 to 5The utility model discloses a door and window connecting piece, the door and window connecting piece includes fixed steel sheet 1, clamping component 2 and screw rod 3.

[0024] In the embodiment of the utility model, please refer to Figures 1 to 5 The fixed steel sheet 1 is provided with a plurality of uniformly distributed fixing holes 1b, and the screw rod 3 is installed on the fixed steel sheet 1 in a threaded connection mode, specifically, the screw rod 3 passes through the threaded through hole 1a formed in the middle of the fixed steel sheet 1 and is in threaded connection with the threaded through hole 1a, and the end of the screw rod 3 is fixedly embedded with a rod cap, and a cross and / or a linear groove is formed in the rod cap.

[0025] The clamping component 2 is rotatably installed on the screw rod 3, and the clamping component 2 comprises a V-shaped elastic connecting steel sheet 21, both sides of the V-shaped elastic connecting steel sheet 21 are fixedly connected with V-shaped side abutting portions 22, the plate surface of the V-shaped side abutting portion 22 away from the V-shaped elastic connecting steel sheet 21 is a horizontal plate surface, a rotating connecting seat 23 is fixedly embedded on the V-shaped elastic connecting steel sheet 21, and the rotating connecting seat 23 is rotatably connected with a rotating connecting head 31 of the screw rod 3, specifically, the rotating connecting head 31 has a T-shaped structure, a groove with a T-shaped structure is formed in the rotating connecting seat 23, the rotating connecting head 31 is inserted into the groove of the rotating connecting seat 23 and is rotatably connected with the groove, so that the screw rod 3 does not drive the clamping component 2 to rotate synchronously when rotating into the V-shaped elastic connecting steel sheet 21 along the threaded through hole 1a.

[0026] It should be noted that when the fixed steel sheet 1 is installed on the window frame or the door frame, the clamping part composed of the V-shaped elastic connecting steel sheet 21 and the two V-shaped side abutting portions 22 is inserted into the groove of the outer frame of the window frame or the door frame, and the horizontal plate surface at the bottom of the V-shaped side abutting portion 22 is abutted in the groove, then the fixed steel sheet 1 is pressed onto the outer frame of the window frame or the door frame, and the rod cap drives the screw rod 3 to rotate in the direction of the groove of the outer frame of the window frame or the door frame by using the electric screwdriver, so that the screw rod 3 presses the V-shaped elastic connecting steel sheet 21 to expand the opening angle of the V-shaped elastic connecting steel sheet 21, and as the opening angle of the V-shaped elastic connecting steel sheet 21 continuously expands, the corner spacing of the V-shaped side abutting portions 22 on both sides of the V-shaped elastic connecting steel sheet 21 also continuously increases, so that the corners of the V-shaped side abutting portions 22 are abutted with the groove of the outer frame of the window frame or the door frame, thereby effectively completing the installation of the fixed steel sheet 1 on the outer frame of the window frame or the door frame.

[0027] If the fixed steel sheet 1 is installed in the wrong position on the window frame or the door frame, the electric screwdriver is used to drive the rod cap to rotate the screw rod 3 in the opposite direction, so that the screw rod 3 is not pressed into the V-shaped elastic connecting steel sheet 21, at this time, the opening angle of the V-shaped elastic connecting steel sheet 21 decreases under the action of the elastic restoring force of the V-shaped elastic connecting steel sheet 21, so that the corner spacing of the V-shaped side abutting portion 22 on both sides of the V-shaped elastic connecting steel sheet 21 is continuously reduced, so that the V-shaped side abutting portion 22 on both sides of the V-shaped elastic connecting steel sheet 21 can be taken out from the groove of the window frame or the door frame and repositioned, the overall operation is simple and convenient, and the installation of the fixed steel sheet 1 on the window frame or the door frame does not need to be punched on the window frame or the door frame, and is easy to install and disassemble.

[0028] Further, a plurality of sawteeth 221 are embedded at the corners of the V-shaped side abutting portion 22, which enhances the resistance of the corners of the V-shaped side abutting portion 22 to the groove of the window frame or the door frame.

[0029] The working principle of the door and window connecting piece provided by the utility model is as follows:

[0030] When the fixed steel sheet 1 is installed on the window frame or the door frame, the clamping part composed of the V-shaped elastic connecting steel sheet 21 and the two V-shaped side abutting portions 22 is inserted into the groove of the window frame or the door frame, and the horizontal plate surface at the bottom of the V-shaped side abutting portion 22 is abutted in the groove, then the fixed steel sheet 1 is pressed onto the window frame or the door frame, and the electric screwdriver is used to drive the rod cap to rotate the screw rod 3 in the direction of the groove of the window frame or the door frame, so that the screw rod 3 presses the V-shaped elastic connecting steel sheet 21 to expand the opening angle of the V-shaped elastic connecting steel sheet 21, and as the opening angle of the V-shaped elastic connecting steel sheet 21 continuously expands, the corner spacing of the V-shaped side abutting portion 22 on both sides of the V-shaped elastic connecting steel sheet 21 is continuously increased, so that the corners of the V-shaped side abutting portion 22 can be abutted with the groove of the window frame or the door frame, thereby effectively completing the installation of the fixed steel sheet 1 on the window frame or the door frame;

[0031] If the fixed steel sheet 1 is installed in the wrong position on the window frame or the door frame, the electric screwdriver is used to drive the rod cap to rotate the screw rod 3 in the opposite direction, so that the screw rod 3 is not pressed into the V-shaped elastic connecting steel sheet 21, at this time, the opening angle of the V-shaped elastic connecting steel sheet 21 decreases under the action of the elastic restoring force of the V-shaped elastic connecting steel sheet 21, so that the corner spacing of the V-shaped side abutting portion 22 on both sides of the V-shaped elastic connecting steel sheet 21 is continuously reduced, so that the V-shaped side abutting portion 22 on both sides of the V-shaped elastic connecting steel sheet 21 can be taken out from the groove of the window frame or the door frame and repositioned, the overall operation is simple and convenient, and the installation of the fixed steel sheet 1 on the window frame or the door frame does not need to be punched on the window frame or the door frame, and is easy to install and disassemble.

[0032] The circuit and control involved in the utility model are prior art, and will not be described in detail here.

[0033] The above only describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection scope of the present application.

Claims

1. A door and window connector, characterized in that, The utility model relates to a fixing steel sheet (1), the fixing steel sheet (1) is installed with threaded connection screw rod (3), and the screw rod (3) is installed with rotation connection clamping assembly (2); The clamping assembly (2) includes a V-shaped elastic connecting steel sheet (21), both sides of the V-shaped elastic connecting steel sheet (21) are fixedly connected with V-shaped side abutting portions (22), and the plate surface away from the V-shaped elastic connecting steel sheet (21) of the V-shaped side abutting portions (22) is a horizontal plate surface; The corner of the V-shaped side abutting portions (22) is fixedly embedded with multiple sawteeth (221).

2. The door and window connector according to claim 1, wherein The screw rod (3) passes through the threaded through hole (1a) in the middle of the fixing steel sheet (1) and is screwed with the threaded through hole (1a).

3. The door and window connector according to claim 2, wherein The head of the screw rod (3) is fixedly embedded with an adapter stud (31), and the adapter stud (31) is rotationally connected with a rotation connecting seat (23) fixedly embedded on the V-shaped elastic connecting steel sheet (21).

4. The stile and rail connector of claim 3, wherein, The cross section of the adapter stud (31) is in T-shaped structure, a groove with T-shaped cross section is formed in the rotation connecting seat (23), the adapter stud (31) is inserted into the groove formed in the rotation connecting seat (23) and is rotationally connected with the groove.

5. The stile and rail connector of claim 1, wherein, Multiple fixing holes (1b) are formed in the fixing steel sheet (1) and are uniformly distributed.

6. The stile and rail connector of claim 1, wherein, The end of the screw rod (3) is fixedly embedded with a rod cap, and a cross and / or a linear groove is formed in the rod cap.

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