Base-free handle mounting structure

Abstract

A base-free handle mounting structure is used for being matched with a mounting seat assembly to enable a handle to be fixed to a window sash profile, the handle is connected with a driving shaft for unlocking or locking a window sash, the mounting structure comprises a positioning ring, a pressing plate and a blocking piece, the positioning ring is provided with a connecting hole for the driving shaft to penetrate through, and the pressing plate is arranged in the connecting hole. The pressing plate is provided with at least one guide hole matched with the positioning ring, the positioning ring penetrates through the guide hole through the guide part and is fixedly connected with the blocking piece located below the pressing plate, so that the pressing plate can axially move along the guide part, and then the mounting base assembly is connected and matched through a screw to fix the lever handle. Through the cooperation of the positioning ring, the pressing plate and the blocking piece and the cooperation of the guide part on the positioning ring and the guide hole of the pressing plate, the pressing plate can axially move in the fixed direction, the length of a screw does not need to be adjusted when the lever handle is installed, installation convenience is improved, the technical requirement for installation personnel is reduced, and installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a handle mounting structure without base belongs to door and window handle field. BACKGROUND

[0002] The handle is an indispensable component on the door and window, and the opening and locking of the door and window can be realized through the handle. Since the base of the existing handle is limited by the process, the base part is mostly exposed, which not only reduces the visual effect, but also affects the grade of the commodity to some extent. Therefore, the handle without base appears on the market. The handle without base is not without base, but the base is not exposed.

[0003] The existing handle mounting without base is connected through a screw and a special transmission, which leads to the need to adjust the length of the mounting screw of the handle according to the installation position of the transmission, which is very inconvenient to install and is not conducive to improving the installation efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the shortcomings and deficiencies of the prior art and provides a handle mounting structure without base.

[0005] A handle mounting structure without base is used to fix the handle on the window sash profile by cooperating with the mounting seat assembly. The handle is connected with a driving shaft for unlocking or locking the window sash. The mounting structure includes a positioning ring, a pressing plate and a baffle. The positioning ring is provided with a connecting hole for the driving shaft to pass through. The pressing plate is provided with at least one guide hole matched with the positioning ring. The positioning ring is fixedly connected with the baffle below the pressing plate through the guide part passing through the guide hole, so that the pressing plate can move axially along the guide part, and then the handle is fixed by screw connection and cooperation with the mounting seat assembly. Through the cooperation of the positioning ring, the pressing plate and the baffle, the guide part on the positioning ring is matched with the guide hole of the pressing plate, so that the pressing plate can move axially in a fixed direction, the length of the screw does not need to be adjusted during the installation of the handle, the installation convenience is improved, the technical requirements for the installation personnel are reduced, and the installation efficiency is improved. The mounting structure is suitable for different models of window sash profiles, and the screw specifications do not need to be adjusted for different transmissions, which reduces the uncertainty in the installation process and has stronger adaptability. The handle can be stably connected with the window sash profile, the reliable unlocking and locking of the driving shaft are ensured, and the safety and durability of the door and window are improved.

[0006] Preferably, the pressing plate is provided with threaded holes on both sides for cooperation and connection with the screw, so that the abutting and fixed position of the pressing plate and the inner wall of the profile cannot move. The threaded holes are connected with the inner wall of the profile by cooperating with the screw, which can effectively prevent the pressing plate from sliding or loosening after installation, thereby ensuring the stability and firmness of the overall structure of the handle.

[0007] Further, the pressing plate is provided with a limiting part protruding therefrom, and the profile is provided with a positioning hole matched with the limiting part, and the limiting part is located on both sides of the threaded hole. The protruding limiting part on the pressing plate is matched with the positioning hole on the profile, so that the position of the pressing plate can be accurately limited, and the pressing plate is prevented from deviating due to external force during installation or use. The design of the limiting part can effectively prevent the pressing plate from moving or sliding excessively during installation, reduce the risk of mechanical looseness or deviation caused by assembly error, and ensure that the handle structure maintains good performance during long-term use.

[0008] Preferably, the pressing plate is integrally or separately provided, and a connecting channel for the driving shaft to pass through is formed in the pressing plate. The pressing plate is integrally or separately provided, which can meet the requirements of the overall integrated manufacturing process, and can also be combined in a separate manner according to specific installation environment or process requirements, thereby improving the flexibility and adaptability of the design.

[0009] Further, the pressing plate is provided in a separate manner, and the end of the pressing plate on the side facing the connecting channel is protruding, which is used for limiting connection with the driving shaft. The design of the separately provided pressing plate allows each component to be manufactured and assembled independently, and the protruding end of the pressing plate on the side facing the connecting channel is specially used for limiting connection with the driving shaft, so as to ensure that the driving shaft is accurately positioned during installation and use, and prevent functional abnormalities caused by displacement or looseness. The design of the separate pressing plate can adapt to different driving shaft sizes and assembly requirements, and the protruding limiting part further ensures that the driving shaft can be effectively limited and connected in various installation scenarios, thereby improving the universality and market competitiveness of the product.

[0010] Preferably, one end of the guide part is fixedly connected with one of the positioning ring and the stop piece, and the other end of the guide part is fixedly connected with the other after passing through the guide hole. The double-end fixed design of the guide part can accurately limit the axial movement of the pressing plate, and the fixed connection can be connected by riveting, welding or the like.

[0011] Further, one end of the guide part passing through the guide hole is provided with a positioning block, and the other end of the guide part passing through the guide hole is provided with a positioning block. The positioning ring or the stop piece is provided with a mounting hole matched with the positioning block. After the guide part passes through the guide hole, the positioning block is arranged at one end, and the positioning ring or the stop piece is provided with a matching mounting hole to form accurate positioning.

[0012] Further, the shape of the stop piece is a curved arc. The curved design helps to achieve more stable guiding and locking effect, and can better cooperate with the corresponding components (such as mounting holes) during assembly, so as to ensure that the overall structure is not easy to loosen or deviate during work. The shape has certain self-adaptability and inclusiveness, and can adapt to the small size difference and assembly error between parts. The shape of the stop piece can also be designed in other shapes according to actual use requirements.

[0013] Preferably, the number of guide holes is four, and the number of guide portions matches the number of guide holes. The four guide holes form a symmetrical positioning system, enabling the guide portions to be accurately inserted into corresponding positions, ensuring the precise alignment of each connecting component, and helping to reduce assembly errors, thereby improving the overall assembly accuracy. The number of guide holes can also be increased or decreased, facilitating the matching of handles of different models and designs.

[0014] The utility model discloses the beneficial effect is as follows: through the cooperation of positioning ring, pressing plate and baffle, the guide portion on positioning ring and the guide hole of pressing plate cooperate, makes the pressing plate axial movement along the fixed direction, makes handle installation not to need to adjust screw length, has improved the installation convenience, has reduced the technical requirement to the installation personnel, has improved the installation efficiency. The installation structure is suitable for different model window sash section bar, need not to adjust screw specification for different transmission, has reduced the uncertainty in the installation process, and the adaptability is stronger. Make handle can stably connect window sash section bar, and ensure the reliable unlocking and locking of drive shaft, improve the security and durability of door and window use. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the present utility model.

[0016] Figure 1 It is the main structure diagram of the present utility model;

[0017] Figure 2 It is the structure diagram of the present utility model installed on section bar;

[0018] Figure 3 It is Figure 2 The enlarged view of details in A of the present utility model;

[0019] Figure 4 It is Figure 2 The explosion diagram of the present utility model;

[0020] Figure 5 It is the structure diagram of installation structure;

[0021] Figure 6 It is the explosion diagram of installation structure;

[0022] Figure 7 It is the explosion diagram of installation structure and Figure 6 Different embodiments of the present utility model;

[0023] In the diagram, 1. Handle; 11. Drive shaft; 2. Mounting assembly; 3. Profile; 31. Positioning hole; 4. Positioning ring; 41. Connecting hole; 5. Pressure plate; 51. Guide hole; 52. Threaded hole; 53. Limiting part; 54. Connecting channel; 6. Baffle; 61. Mounting hole; 7. Guide part; 71. Positioning block; 8. Screw. Detailed Implementation

[0024] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.

[0025] It should be noted that all uses of "first" and "second" in the embodiments of this utility model are for the purpose of distinguishing two entities or parameters with the same name but different names. It is clear that "first" and "second" are only for the convenience of expression and should not be construed as limiting the embodiments of this utility model. Subsequent embodiments will not explain this in detail.

[0026] The directional and positional terms used in this utility model, such as "up," "down," "front," "back," "left," "right," "inner," "outer," "top," "bottom," and "side," are merely for reference to the accompanying drawings. Therefore, the directional and positional terms used are for the purpose of explaining and understanding this utility model, and not for limiting the scope of protection of this utility model.

[0027] like Figures 1-6 The diagram illustrates an embodiment of a baseless handle mounting structure of this utility model. It is used to fix the handle 1 to the window sash profile 3 in conjunction with the mounting base assembly 2. The handle 1 is connected to a drive shaft 11 for unlocking or locking the window sash. The mounting structure includes a positioning ring 4, a pressure plate 5, and a baffle 6. The positioning ring 4 has a connecting hole 41 for the drive shaft 11 to pass through. The pressure plate 5 has at least one guide hole 51 that mates with the positioning ring 4. The positioning ring 4 is fixedly connected to the baffle 6 located below the pressure plate 5 via a guide portion 7 passing through the guide hole 51, allowing the pressure plate 5 to move axially along the guide portion 7. The handle 1 is then fixed to the mounting base assembly 2 via screws 8. Through the cooperation of the positioning ring 4, pressure plate 5, and baffle 6, and the cooperation between the guide portion 7 on the positioning ring 4 and the guide hole 51 on the pressure plate 5, the pressure plate 5 can move axially in a fixed direction. This eliminates the need to adjust the length of the screws 8 during handle 1 installation, improving installation convenience, reducing the technical requirements for installers, and increasing installation efficiency. This mounting structure is suitable for different models of window sash profiles 3, eliminating the need to adjust the screw 8 specifications for different drive mechanisms, reducing uncertainties during installation and enhancing adaptability. It allows the handle 1 to securely connect to the window sash profile 3 and ensures reliable unlocking and locking of the drive shaft 11, improving the safety and durability of doors and windows.

[0028] The pressing plate 5 is provided with threaded holes 52 on both sides for cooperating with the screws 8, so that the pressing plate 5 cannot move after being fixed at the abutting position with the inner wall of the profile 3. The threaded holes 52 cooperate with the screws 8 to realize the connection with the inner wall of the profile 3, which can effectively prevent the pressing plate 5 from sliding or loosening after installation, thereby ensuring the stability and firmness of the overall structure of the handle 1.

[0029] Different from the above-mentioned embodiments, the pressing plate 5 is provided with a limiting part 53 protruding therefrom, the profile 3 is provided with a positioning hole 31 cooperating with the limiting part 53, and the limiting part 53 is located on both sides of the threaded hole 52. The protruding limiting part 53 on the pressing plate 5 cooperates with the positioning hole 31 on the profile 3 to accurately limit the position of the pressing plate 5, preventing the pressing plate 5 from deviating due to external force during installation or use. The design of the limiting part 53 can effectively prevent the pressing plate 5 from moving or sliding excessively during installation, reducing the risk of mechanical loosening or deviation caused by assembly errors, and ensuring that the handle 1 structure maintains good performance during long-term use. The limiting part 53 can also be omitted according to design needs.

[0030] The pressing plate 5 is integrally or separately provided, and the connecting channel 54 for the driving shaft 11 to pass through is formed in the pressing plate 5. The pressing plate 5 is integrally or separately provided, which can meet the requirements of the overall integrated manufacturing process, and can also be combined in a separate manner according to specific installation environment or process requirements, improving the flexibility and adaptability of the design.

[0031] Different from the above-mentioned embodiments, the pressing plate 5 is separately provided, and the end of the pressing plate 5 on the side facing the connecting channel 54 is protruding for limiting connection with the driving shaft 11. The design of the separately provided pressing plate 5 allows each component to be manufactured and assembled independently, and the protruding end of the pressing plate 5 on the side facing the connecting channel 54 is specially designed for limiting connection with the driving shaft 11, ensuring accurate positioning of the driving shaft 11 during installation and use, and preventing functional abnormalities caused by displacement or loosening. The design of the separate pressing plate 5 can adapt to different sizes and assembly requirements of the driving shaft 11, and the protruding limiting part 53 further ensures that the driving shaft 11 can be effectively limited and connected in various installation scenarios, thereby improving the universality and market competitiveness of the product.

[0032] Different from the above-mentioned embodiments, referring to Figures 6-7 , one end of the guide part 7 is fixedly connected with one of the positioning ring 4 and the blocking piece 6, and the other end of the guide part 7 passes through the guide hole 51 and is fixedly connected with the other. The other end of the guide part 7 passes through the guide hole 51 and is fixedly connected with the other, and this double-end fixed design can accurately limit the axial movement of the pressing plate 5. The fixed connection can be connected by riveting, welding or other methods.

[0033] The guiding part 7 is provided with a positioning block 71 at one end of the guiding hole 51, and the positioning ring 4 or the blocking piece 6 is provided with a mounting hole 61 matched with the positioning block 71. After the guiding part 7 passes through the guiding hole 51, the positioning block 71 at one end is matched with the pre-set mounting hole 61 on the positioning ring 4 or the blocking piece 6 to form accurate positioning.

[0034] Different from the above-mentioned embodiments, the shape of the blocking piece is a curved arc. The curved design helps to realize more stable guiding and locking effects, and can better cooperate with the corresponding parts (such as the mounting hole 61) during assembly, so as to ensure that the overall structure is not easy to loosen or deviate during work. The shape has certain self-adaptability and inclusiveness, can adapt to the small size difference and assembly error between parts, and the shape of the blocking piece can also be designed in other shapes according to actual use requirements.

[0035] Different from the above-mentioned embodiments, the number of the guiding hole 51 is four, and the number of the guiding part 7 is matched with the guiding hole 51. The four guiding holes 51 form a symmetrical positioning system, so that each guiding part 7 can be accurately embedded in the corresponding position, and the accurate alignment of each connecting part is ensured, which helps to reduce assembly error, thereby improving the overall assembly precision. The number of the guiding hole 51 can also be increased or decreased, so as to match different models and designs of the handle 1.

[0036] The above only discloses the preferred embodiments of the utility model, and of course cannot limit the scope of the utility model, so equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

[0037] Although the utility model has been described with reference to a number of specific embodiments, it should be understood that the utility model is not limited to the disclosed specific embodiments. The utility model is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A baseless handle mounting structure for fitting with a mounting bracket assembly to secure a handle to a sash profile, the handle having a drive shaft connected to unlock or lock the sash, characterised in that: The mounting structure comprises a positioning ring, a pressing plate and a baffle, the positioning ring is provided with a connecting hole for the driving shaft to pass through, the pressing plate is provided with at least one guide hole matched with the positioning ring, the positioning ring is fixedly connected with the baffle below the pressing plate through a guide portion passing through the guide hole, so that the pressing plate can move axially along the guide portion, and then the handle is fixed by screw connection and cooperation with the mounting seat assembly.

2. The escutcheonless handle mounting structure according to claim 1, wherein: Sides of the pressing plate are provided with threaded holes for cooperation with the screws, so that the pressing plate cannot move in the abutting and fixed position with the inner wall of the profile.

3. The escutcheonless handle mounting structure according to claim 2, wherein: The pressing plate is provided with a limiting portion protruding, the profile is provided with a positioning hole matched with the limiting portion, and the limiting portion is located on both sides of the threaded hole.

4. The escutcheonless handle mounting structure according to claim 1, wherein: The pressing plate is integrally or separately provided, and a connecting channel for the driving shaft to pass through is formed in the pressing plate.

5. The escutcheonless handle mounting structure according to claim 4, wherein: The pressing plate is separately provided, and an end portion on a side of the pressing plate facing the connecting channel is protruding, for limiting connection with the driving shaft.

6. The escutcheonless handle mounting structure according to claim 1, wherein: One end of the guide portion is fixedly connected with one of the positioning ring and the baffle, and the other end of the guide portion is fixedly connected with the other after passing through the guide hole.

7. The escutcheonless handle mounting structure according to claim 6, wherein: One end of the guide portion passing through the guide hole is provided with a positioning block, and the positioning ring or the baffle is provided with a mounting hole matched with the positioning block.

8. The escutcheonless handle mounting structure according to claim 1 or 6, wherein: The baffle is in the shape of a curved arc.

9. The escutcheonless handle mounting structure according to claim 1, wherein: The number of the guide holes is four, and the number of the guide portions matches the number of the guide holes.

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