Handle transmission system suitable for narrow-side doors and windows and mounting structure of handle transmission system

Abstract

The utility model discloses a handle transmission system suitable for narrow-side doors and windows and a mounting structure thereof, the handle transmission system comprises a handle body and a driver body, the handle body is provided with a handle, and the handle is in driving connection with an unlocking pin; the driver body is provided with a transmission rack and a transmission rod, the transmission rack is in driving connection with the transmission rod, and the transmission rack is provided with a driving groove; the handle body is provided with a first mounting side, the driver body is provided with a second mounting side, and the first mounting side and the second mounting side are oppositely arranged during assembly. Thus, by arranging the handle transmission system, the handle body is designed to be installed on the side face of the installation profile and connected with the driver body, the defect that an existing door and window frame cannot be narrowed due to limitation of the handle installation position is overcome, the daylighting area of a door and window sash is increased, and the visual field is expanded; meanwhile, the material consumption of the door and window sash is reduced, the material cost is reduced, and the door and window sash is more environment-friendly.

Description

Technical Field

[0001] The utility model relates to the field of doors and windows, and in particular to a handle transmission system suitable for narrow-edge doors and windows and an installation structure thereof, which is mainly but not limited to being used in the fields of casement windows, sliding windows, sliding doors, etc. Background Art

[0002] For casement windows / sliding windows / sliding doors of ordinary specifications, a first mounting groove is usually provided on the indoor side or outdoor side of the frame profile of the window leaf / door leaf for installing a handle, and a second mounting groove is provided on the sliding side of the frame profile (for sliding windows / doors) for installing a transmission. The assembly is completed by connecting screws to finally achieve a driving connection between the handle and the transmission; that is, the installation directions of the existing handle and transmission are usually staggered at a 90-degree angle.

[0003] However, this installation method of the handle transmission system is not suitable for installation on narrow-edged (or fully concealed) doors and windows; specifically, for narrow frames, the width of the indoor side / outdoor side is insufficient for installing the handle. If a handle is required, the width of the frame needs to be increased accordingly. This will reduce the lighting area of ​​the window (door) leaf and narrow the field of vision of indoor users. At the same time, more frame profiles are required, which increases the installation cost and is not conducive to saving resources and protecting the environment.

[0004] Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content

[0005] In order to solve the defects and shortcomings of the above-mentioned prior art, the utility model provides a handle transmission system suitable for narrow-edged doors and windows and an installation structure thereof. By setting up a handle transmission system, the handle body is designed to be installable on the side of the mounting profile and connected to the transmission body, thereby solving the problem that the existing door and window frames cannot be made narrower due to the limitation of the handle installation position, thereby increasing the lighting area of ​​the door and window sashes and expanding the field of view; at the same time, it also reduces the materials used for the door and window sashes, reduces the material cost, and is more environmentally friendly.

[0006] By installing the handle body on the side of the mounting profile, the width of the door and window frames can be made smaller, increasing the lighting area of ​​the door / window sash and expanding the field of vision. This solves the problem that the existing door and window frames cannot be made narrower due to the limitation of the handle installation position.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A handle transmission system suitable for narrow-edge doors and windows includes a handle body and a transmission body, wherein the handle body has a handle, and the handle is driven and connected to an unlocking pin; the transmission body has a transmission rack and a transmission rod, the transmission rack is driven and connected to the transmission rod, and the transmission rack has a driving groove adapted to the unlocking pin; the handle body has a first installation side, and the transmission body has a second installation side. When assembled, the first installation side and the second installation side are arranged opposite to each other.

[0009] As a preferred solution, the handle is fixedly connected to a first gear, the first gear is drivingly connected to a first rack, and the unlocking pin is arranged on the first rack.

[0010] As a preferred solution, the handle body further includes a base, the handle can be rotatably mounted on the base, and a positioning mechanism is provided between the base and the handle.

[0011] As a preferred embodiment, the positioning mechanism includes a positioning steel ball and a positioning spring, the handle is provided with a mounting groove, the positioning spring and the positioning steel ball are installed in the mounting groove, and the positioning steel ball is located on the side of the positioning spring away from the handle, and the base is provided with a positioning hole adapted to the positioning steel ball.

[0012] As a preferred solution, the transmission body is a bidirectional transmission, and the transmission rod includes a first transmission rod and a second transmission rod arranged in the up-down direction.

[0013] As a preferred solution, the transmission rack is a shift fork rack, and the driving groove is a shift fork groove arranged on the shift fork rack.

[0014] As a preferred solution, the transmission rack is a bar-shaped rack, and the driving groove is a limiting portion arranged on the bar-shaped rack.

[0015] A mounting structure for a handle transmission system suitable for narrow-edge doors and windows, comprising a mounting profile, wherein the mounting profile is provided with a mounting groove, wherein the mounting groove has a first mounting opening and a second mounting opening which are arranged opposite to each other, wherein the handle body is installed into the mounting profile from the first mounting opening, and the transmission body is installed into the mounting profile from the second mounting opening, and the handle body and the transmission body are fixedly connected by a connecting piece.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that it mainly solves the problem that the existing door and window frames cannot be made narrower due to the limitation of the handle installation position by setting a handle transmission system, and the handle body is designed to be installed on the side of the installation profile and connected to the transmission body, thereby increasing the lighting area of ​​the door and window sashes and expanding the field of vision; at the same time, it also reduces the materials used for the door and window sashes, reduces the material cost, and is more environmentally friendly;

[0017] Secondly, the handle transmission system of the present application has many advantages such as simple and ingenious structure, smooth transmission, compact structure, and easy installation; furthermore, the fork of the present application is detachably installed on the transmission body, and for installation profiles of different sizes (widths), the adaptation of different installation profiles can be completed by replacing the fork, which has the advantage of good versatility.

[0018] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional schematic diagram of an embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the installation of an embodiment of the utility model;

[0021] Figure 3 It is a front view of an embodiment of the utility model;

[0022] Figure 4 This is a three-dimensional schematic diagram of the handle body in the embodiment of the utility model;

[0023] Figure 5 It is a side view of the handle body in the embodiment of the utility model;

[0024] Figure 6 It is a cross-sectional schematic diagram of the handle body in the embodiment of the utility model;

[0025] Figure 7 It is a three-dimensional schematic diagram of the transmission body in the embodiment of the utility model;

[0026] Figure 8 It is a partial cross-sectional schematic diagram of the transmission body in the embodiment of the utility model;

[0027] Fig. 9 A bottom view schematically showing an embodiment of the utility model;

[0028] Fig.10 for Fig. 9 Schematic diagram of the cross section at AA in the middle;

[0029] Fig.11 It is a cross-sectional schematic diagram of a transmission rack as a single rack in an embodiment of the present utility model.

[0030] Description of the accompanying drawings:

[0031] 10. Mounting profile; 11. Mounting portion; 12. Mounting groove; 20. Handle body; 201. Unlocking pin; 21. Handle; 211. First gear; 212. First rack; 22. Base; 23. Positioning steel ball; 24. Positioning spring; 25. Wear-resistant washer; 30. Transmission body; 301. Bottom shell; 302. C-groove panel; 31. Transmission rack; 311. Driving groove; 312. Limiting portion; 32. First transmission rod; 33. Second transmission rod. DETAILED DESCRIPTION

[0032] The following will provide a clear and complete description of the technical solutions in the present embodiment of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only preferred embodiments of the present invention.

[0033] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] See attached Figures 1 to 11 In the embodiment of the utility model, a handle transmission system and its installation structure suitable for narrow-edge doors and windows include a handle body 20 and a transmission body 30. The handle body 20 has a handle 21, and the handle 21 is driven and connected to an unlocking pin 201; the transmission body 30 has a transmission rack 31 and a transmission rod, and the transmission rack 31 is linked to the transmission rod, and the transmission rack 31 has a driving groove 311 adapted to the unlocking pin 201; the handle body 20 has a first installation side, and the transmission body 30 has a second installation side arranged opposite to the first installation side. Figure 2 and Fig.10As shown, during installation, the first installation side and the second installation side are located on a pair of sides of the mounting profile 10 and are connected by a connecting piece (usually a connecting screw). After installation, the unlocking pin 201 is located in the driving groove 311; when the handle 21 is rotated, the unlocking pin 201 pushes the transmission rack 31 to move, and the transmission rack 31 links the transmission rod to extend or retract; it should be supplemented that the first installation side is the side where the handle body 20 is installed on the mounting profile 10, and the second installation side is the side where the transmission body 30 is installed on the mounting profile 10.

[0036] As a preferred embodiment, the handle 21 is fixedly connected to the first gear 211 through a locking screw, the first gear 211 is drivingly connected to the first rack 212, and the unlocking pin 201 is arranged on the first rack 212; the first gear 211 has a pushing convex portion for pushing the first rack 212. It should be noted that the first gear 211 is only named as a component, and in actual application, it can also be a cam or other components. In this way, through the specific design of the handle body 20, it has many advantages such as simple structure, good transmission stability, small space occupation, more suitable for profile installation in narrow edge and small space, and convenient assembly; it is also easier to achieve a larger travel distance of the transmission rod in a limited space.

[0037] Typically, the handle body 20 further includes a base 22, and the handle 21 is rotatably mounted on the base 22. Preferably, a positioning mechanism is provided between the base 22 and the handle 21.

[0038] As a preferred embodiment, the positioning mechanism includes a positioning steel ball 23 and a positioning spring 24, the handle 21 is provided with a mounting groove 12, the positioning spring 24 and the positioning steel ball 23 are installed in the mounting groove 12, and the positioning steel ball 23 is located on the side of the positioning spring 24 away from the handle 21 (the side close to the base 22), and the base 22 is provided with a positioning hole adapted to the positioning steel ball 23; when the handle 21 is rotated and accommodated in the mounting profile 10 (when the handle 21 and the mounting profile 10 are in the same vertical plane), the positioning steel ball 23 is partially located in the positioning hole to achieve positioning. In actual use, the handle 21 is usually designed to be able to rotate and open 90 degrees. When the handle 21 is opened 90 degrees, the moving stroke of the first transmission rod 32 and the second transmission rod 33 of the transmission body 30 is 17 mm. It should be noted that the first gear 211 and the first rack 212 are also mounted on the base 22 . Preferably, a wear-resistant gasket 25 is also provided between the handle 21 and the base 22 , so as to extend the service life of the handle 21 .

[0039] As a preferred embodiment, the transmission body 30 is a bidirectional transmission, and the transmission rod includes a first transmission rod 32 and a second transmission rod 33 arranged in the up and down directions, and the first transmission rod 32 and the second transmission rod 33 are both driven (linked) connected to the transmission rack 31; after the unlocking pin 201 pushes the transmission rack 31 to move, the transmission rack 31 drives the first transmission rod 32 and the second transmission rod 33 to extend or retract upward or downward accordingly.

[0040] In actual application, the transmission body 30 also includes a bottom shell 301, and the transmission rack 31, the first transmission rod 32, and the second transmission rod 33 are all installed on the bottom shell 301. The bottom shell 301 is also installed with other components such as a C-groove panel 302 and a rivet shaft. It should be noted that the transmission rack 31 can be a fork rack, and the driving groove 311 is a fork groove set on the fork rack. In actual application, the fork rack can be detachably installed on the bottom shell 301, so that corresponding to the installation profiles 10 of different sizes, fork racks of different widths can be replaced to adapt to the handle body. It should be added that, if Fig.11 As shown, the transmission rack 31 can also be a single or multiple strip-shaped racks, and it is only necessary to provide a driving portion on the strip-shaped rack that is compatible with the unlocking pin 201, such as a limiting portion provided on the strip-shaped rack; and the specific structure for driving the movement of the first transmission rod 32 and the second transmission rod 33 by means of a shift fork or a strip-shaped rack or a square shaft is a conventional setting of an existing bidirectional transmission, and is not the focus of protection of this application, and will not be elaborated here.

[0041] The present application also discloses an installation structure of a handle transmission system suitable for narrow-edge doors and windows, including a mounting profile 10, the aforementioned handle body 20, and the aforementioned transmission body 30. The front side of the mounting profile 10 is provided with a mounting portion 11, and the mounting portion 11 is provided with a mounting groove 12. The mounting groove 12 has a first mounting opening (located on the right side of the mounting groove 12) and a second mounting opening (located on the left side of the mounting groove 12) that are relatively arranged. The first mounting side of the handle body 20 is installed into the mounting profile 10 from the first mounting opening, and the second mounting side of the transmission body 30 is installed into the mounting profile 10 from the second mounting opening. The handle body 20 and the transmission body 30 are fixedly connected by connecting screws; the mounting profile 10 is usually a door profile or a window profile.

[0042] In this way, by installing the handle body 20 on the right side or left side of the mounting profile 10, the problem that the existing narrow-side door and window width space is too small to install a conventional handle is solved. After the improvement of the present application, the frame of the door and window (profile width A, such as Figure 3) can be made narrower, and compared to a wide-frame design, it can also increase the lighting area of ​​the window sash and expand the field of view of the window sash.

[0043] The design focus of the utility model is that it mainly sets a handle transmission system, designs the handle body to be installed on the side of the mounting profile and connected to the transmission body, solves the problem that the existing door and window frames cannot be made narrower due to the limitation of the handle installation position, increases the lighting area of ​​the door and window sashes, and expands the field of vision; at the same time, it also reduces the material used for the door and window sashes, reduces the material cost, and is more environmentally friendly;

[0044] Secondly, the handle transmission system of the present application has many advantages such as simple and ingenious structure, smooth transmission, compact structure, and easy installation; furthermore, the fork of the present application is detachably installed on the transmission body, and for installation profiles of different sizes (widths), the adaptation of different installation profiles can be completed by replacing the fork, which has the advantage of good versatility.

[0045] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A handle transmission system suitable for narrow-side doors and windows, characterized in that: It includes a handle body and a transmission body, the handle body has a handle, and the handle is driven and connected to an unlocking pin; the transmission body has a transmission rack and a transmission rod, the transmission rack is driven and connected to the transmission rod, and the transmission rack has a driving groove adapted to the unlocking pin; the handle body has a first installation side, and the transmission body has a second installation side. When assembled, the first installation side and the second installation side are arranged opposite to each other.

2. A handle transmission system suitable for narrow-side doors and windows according to claim 1, characterized in that: The handle is fixedly connected to a first gear, the first gear is drivingly connected to a first rack, and the unlocking pin is arranged on the first rack.

3. A handle transmission system suitable for narrow-side doors and windows according to claim 2, characterized in that: The handle body also includes a base, the handle is rotatably mounted on the base, and a positioning mechanism is provided between the base and the handle.

4. A handle transmission system suitable for narrow-side doors and windows according to claim 3, characterized in that: The positioning mechanism includes a positioning steel ball and a positioning spring. The handle is provided with a mounting groove. The positioning spring and the positioning steel ball are installed in the mounting groove. The positioning steel ball is located on the side of the positioning spring away from the handle. The base is provided with a positioning hole adapted to the positioning steel ball.

5. The handle transmission system for narrow-side doors and windows according to claim 1, characterized in that: The transmission body is a bidirectional transmission, and the transmission rod comprises a first transmission rod and a second transmission rod arranged in the up-down direction.

6. A handle transmission system suitable for narrow-side doors and windows according to claim 5, characterized in that: The transmission rack is a shift fork rack, and the driving groove is a shift fork groove arranged on the shift fork rack.

7. The handle transmission system for narrow-side doors and windows according to claim 5, characterized in that: The transmission rack is a bar-shaped rack, and the driving groove is a limiting portion arranged on the bar-shaped rack.

8. An installation structure for a handle transmission system for narrow-side doors and windows according to any one of claims 1 to 7, characterized in that: It includes a mounting profile, the mounting profile is provided with a mounting groove, the mounting groove has a first mounting opening and a second mounting opening arranged opposite to each other, the handle body is installed into the mounting profile from the first mounting opening, the transmission body is installed into the mounting profile from the second mounting opening, and the handle body and the transmission body are fixedly connected by a connecting piece.

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