Connecting device of driver extension rod

By designing a connecting device for the transmission extension rod, the problems of vibration and sealing of the transmission extension rod on high doors and windows were solved, achieving a stable connection and improving wind pressure resistance, reducing installation difficulty, and enhancing the smoothness of opening and closing of doors and windows.

CN223647633UActive Publication Date: 2025-12-09GT (QINGDAO) ARCHI TEC CO LTD
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Patent Information

Application Number
CN202423058926.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-09
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The existing transmission extension rod lacks a transmission device, which causes the high doors and windows to vibrate easily when locked, resulting in poor wind pressure resistance and sealing performance, posing a safety hazard.

Method used

A connecting device for a transmission extension rod is designed, including a main transmission bar, an extension rod transmission bar, and a connecting device. The combination of the connecting rod, connecting block, and fasteners ensures a stable connection between the main transmission bar and the extension rod transmission bar, and is equipped with a housing and a groove to improve stability.

Benefits of technology

It effectively prevents the transmission strip from coming loose, reduces the difficulty of installing door and window hardware, improves the stability of opening and closing, eliminates the safety hazard of door and window sash shaking, and enhances wind pressure resistance and sealing performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a connecting device of a driver extension rod, which comprises a main transmission strip and an extension rod transmission strip, the connecting device is arranged between the main transmission strip and the extension rod transmission strip, and the connecting device comprises a connecting rod and a connecting block. According to the utility model, the wind pressure resistance and the sealing performance of the higher door and window sash are improved, the connection looseness of the extension rod transmission strip and the main transmission strip can be effectively avoided, the installation difficulty of door and window hardware is reduced, and meanwhile, the stability in the opening and locking states is improved, so that the opening and locking of the door and window are smoother, and the service life of the door and window is prolonged. And the potential safety hazard that the door and window sash is easy to shake is eliminated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door and window accessory technical field, specifically, relate to a transmission device extension rod's connecting device. BACKGROUND

[0002] The existing transmission device extension rod does not set transmission device, only has the decorative effect, when the door and window fan is higher, the wind pressure resistance and the sealing performance are poor, the door and window fan is easy to shake under the lock -in state, and there is a security risk. UTILITY MODEL CONTENTS

[0003] The utility model provides a transmission device extension rod's connecting device, improved the wind pressure resistance and the sealing performance of higher door and window fan, can effectively avoid the connection of extension rod transmission strip and main transmission strip and loosen, reduce the installation difficulty of door and window hardware, improve the stability under the opening and lock -in state simultaneously, make the opening and lock -in of door and window more smooth, eliminate the security risk that the door and window fan is easy to shake.

[0004] In order to realize above -mentioned purpose, the utility model discloses the following technical schemes to realize:

[0005] A transmission device extension rod's connecting device, including main transmission strip, extension rod transmission strip, the main transmission strip and extension rod transmission strip between configuration connecting device, the connecting device includes connecting rod, connecting block.

[0006] Further, the connecting block includes at least two, a plurality of fasteners and corresponding fastening holes are configured on each connecting block, a first connecting hole is further provided thereon, one end of the connecting rod is matched with the first connecting hole of the connecting block and is fastened through the fastener, and a second connecting hole is arranged at the end to be connected of the main transmission strip and the extension rod transmission strip.

[0007] Further, a plurality of fasteners and corresponding fastening holes are configured on the connecting block, a first connecting hole is further provided thereon, one end of the connecting rod is matched with the first connecting hole of the connecting block and is fastened through the fastener, a second connecting hole is arranged at the end to be connected of the main transmission strip, the connecting block is connected with the main transmission strip through the fastener, and the other end of the connecting rod is fixed with the extension rod transmission strip in the following modes: directly welded, or pinned, or screwed.

[0008] Further, the main transmission strip and the extension rod transmission strip are externally configured with corresponding housings.

[0009] Further, a sliding groove is arranged inside the housing, and sliding wings are arranged on both sides of the connecting block.

[0010] Further, the first connecting hole is located at the end of the connecting block. Advantages

[0011] The connecting device of the extension rod of the transmission device can effectively avoid the connection of the extension rod transmission strip and the main transmission strip from loosening, reduces the installation difficulty of the door and window hardware, improves the stability in the opening and locking states, makes the opening and locking of the door and window more smooth, and eliminates the security risk that the door and window fan is easy to shake. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 Figure 1 is a schematic diagram of the overall assembly structure of the connecting device of the extension rod of the transmission device according to the first embodiment of the present application;

[0013] Figure 2 Figure 1 is a schematic diagram of the overall assembly structure of the connecting device of the extension rod of the transmission device according to the first embodiment of the present application; Figure One

[0014] Figure 3 Figure 1 is a schematic diagram of the overall assembly structure of the connecting device of the extension rod of the transmission device according to the first embodiment of the present application; Figure Two

[0015] In the figure, 10 is a main transmission strip, 11 is a second connecting hole, 12 is a main transmission strip shell, 13 is a sliding groove, 20 is an extension rod transmission strip, 21 is a second connecting hole, 22 is an extension rod transmission strip shell, 30 is a connecting rod, 40 is a connecting block, 41 is a fastener, 42 is a fastening hole, 43 is a first connecting hole, and 44 is a sliding wing. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0017] REFERENCE Figures 1-2 ​​As shown, the connecting device of the extension rod of the transmission device is a specific embodiment of the utility model, including main transmission bar 10, extension rod transmission bar 20, the connecting device is configured between main transmission bar 10 and extension rod transmission bar 20, and the connecting device includes connecting rod 30 and connecting block 40. Connecting block 40 includes two, three fasteners 41 and corresponding three fastening holes 42 are configured on each connecting block 40, a first connecting hole 43 is further arranged thereon, and the first connecting hole 43 is located at the end of the connecting block 40. The first connecting hole 43 of the two ends of the connecting rod 30 is matched with the first connecting hole 43 of the two connecting blocks 40 and is fastened by the fastener 41, the to-be-connected end of the main transmission bar 10 is provided with a second connecting hole 11, the to-be-connected end of the extension rod transmission bar 20 is provided with a second connecting hole 21, and the two connecting blocks 40 are connected with the main transmission bar 10 and the extension rod transmission bar 20 respectively by the fastener 41.

[0018] In order to play a better decorative effect, the outside of the main transmission bar 10 is provided with a main transmission bar shell 12, and the outside of the extension rod transmission bar 20 is provided with an extension rod transmission bar shell 22. The main transmission bar shell 12 and the extension rod transmission bar shell 22 are both provided with a sliding groove 13, and the two sides of the connecting block 40 are provided with a sliding wing 44, so that the connecting block 40 can be directly slidably installed in the shell.

[0019] Of course, in addition to the structure of the above-mentioned embodiment, the connecting device can also be connected by the following structure: one end of the connecting rod 30 is connected by the structure of the connecting block 40 in the above-mentioned embodiment one, and the other end of the connecting rod 30 is directly welded and fixed with the extension rod transmission bar 20. Or pin shaft fixation, or screw fixation.

[0020] The connecting device of the extension rod of the transmission device of the utility model improves the stability in the opening and locking state, makes the opening and locking of the door and window more smooth, and eliminates the security hidden danger that the door and window fan is easy to shake.

[0021] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A connecting device for a transmission extension rod, comprising a main transmission bar and an extension rod transmission bar, characterized in that: A connecting device is configured between the main drive bar and the extension rod drive bar, the connecting device including a connecting rod and a connecting block; The connecting block includes at least two, each connecting block is configured with multiple fasteners and corresponding fastening holes, and is also provided with a first connecting hole. The two ends of the connecting rod respectively cooperate with the first connecting hole of the connecting block and are fastened by the fastener. The ends of the main drive bar and the extension rod drive bar to be connected are respectively provided with second connecting holes. The connecting block is connected to the main drive bar and the extension rod drive bar respectively by the fastener.

2. The connecting device for the transmission extension rod according to claim 1, characterized in that: The connecting block is equipped with multiple fasteners and corresponding fastening holes, and a first connecting hole is also provided thereon. One end of the connecting rod engages with the first connecting hole of the connecting block and is fastened by the fastener. The end of the main drive bar to be connected is provided with a second connecting hole. The connecting block is connected to the main drive bar by the fastener. The other end of the connecting rod is fixed to the extension rod drive bar by welding, pin, or screw.

3. The connecting device for the transmission extension rod according to claim 1 or 2, characterized in that: The main drive bar and the extension rod drive bar are respectively equipped with corresponding housings.

4. The connecting device for the transmission extension rod according to claim 3, characterized in that: The housing is provided with a sliding groove, and the connecting block is provided with sliding wings on both sides.

5. The connecting device for the transmission extension rod according to claim 3, characterized in that: The first connection hole is located at the end of the connection block.