Positioning wind bracing

Abstract

The present invention discloses a positioning wind brace, comprising a positioning component and a connecting arm (2), characterized in that the positioning component comprises a slide rail (6), a sliding member (7), a positioning strip (3) and a moving strip (4) are sequentially arranged in the slide rail (6), the connecting arm (2) is hinged to the sliding member (7), a protrusion (11) is arranged on one side of the positioning strip (3), an elastic member (15) is arranged between the sliding member (7) and the positioning strip (3), and a trapezoidal protrusion (5) with inclined surfaces (10) on both sides cooperating with the protrusion (11) is arranged on the moving strip (4). The present invention has a simple structure and a reasonable design, and can further improve the stability and reliability of the opening and closing positioning of doors and windows.

Description

Technical Field

[0001] The invention relates to door and window hardware, and in particular to a positioning wind brace. Background Art

[0002] Wind bracing is a connecting mechanism that is widely used in openable and closeable devices such as doors and windows, and plays the role of fixing and limiting. A Chinese patent document (publication number: 104912411B; publication date: March 1, 2017) discloses a positioning wind brace, comprising a wind brace positioning assembly, and a connecting rod assembly connected to the wind brace positioning assembly, characterized in that: the connecting rod assembly comprises a connecting rod, and a sliding member pivotally connected to one end of the connecting rod; the wind brace positioning assembly comprises a slide rail for sliding the sliding member, a handle transmission member slidingly matched with the slide rail, and an extrusion member matched with the handle transmission member for stopping the sliding of the sliding member; the lower bottom surface of the extrusion member is axially uniformly distributed with a plurality of first steps in sequence, and a side wall of the first step is inclined; the upper surface of the handle transmission member is axially uniformly distributed with a plurality of second steps in sequence, and a side wall of the second step is inclined, and the second step is matched with the first step; the handle transmission member comprises a transmission plate matched with the slide rail, a first transmission bar arranged on the upper surface of the transmission plate, and a transmission compensation device arranged at the rear end of the transmission plate for hand transmission distance compensation, and the upper surface of the first transmission bar is provided with the second step.

[0003] The defects of the above structure are: first, the wind brace positioning assembly as a whole needs to be provided with a large number of parts such as an extrusion plate, a first transmission bar and a second transmission bar to realize the sliding positioning of its sliding part, and the structure is relatively complex and troublesome to produce and assemble; second, due to the provision of the first and second positioning steps that cooperate with each other, and the matching surfaces between the two steps are unidirectional, this makes its first transmission bar can only move in one direction, but there are also some doors and windows with functions such as micro-ventilation on the market, which require the transmission bar to move in two directions to realize the functions of micro-ventilation and opening and locking, and the above structure cannot meet this function. Third, the positioning of the sliding part is limited by friction between the sliding part and the extrusion part, and the positioning effect is limited. In addition, the contact surface between the two will wear during long-term use, which will affect its normal use. Summary of the invention

[0004] In view of the shortcomings of the background technology, the technical problem to be solved by the present invention is to provide a positioning wind brace with a simple structure and reasonable design, which can further improve the stability and reliability of the opening and closing positioning of doors and windows.

[0005] To this end, the present invention is implemented by adopting the following scheme:

[0006] A positioning wind brace includes a positioning component and a connecting arm, wherein the positioning component includes a slide rail, a sliding member, a positioning bar and a moving bar are sequentially arranged in the upper and lower parts of the slide rail, the connecting arm is hinged to the sliding member, a protrusion is arranged on one side of the positioning bar, an elastic member is arranged between the sliding member and the positioning bar, and the moving bar is provided with a trapezoidal protrusion with inclined surfaces on both sides cooperating with the protrusion.

[0007] The positioning bar is provided with a rack, and the sliding member is provided with a toothed portion that can cooperate with the rack.

[0008] The positioning bar is provided with a groove on one side of the rack.

[0009] A limit spring is arranged inside the slide rail, and the limit spring can resist the sliding member.

[0010] The advantages of the present invention by adopting the above technical solution are as follows: first, the structure is simple and the design is reasonable, which effectively reduces the number of required parts and facilitates production and assembly; second, because the moving bar is provided with a trapezoidal protrusion with inclined surfaces on both sides that cooperate with the protrusion, the moving bar can move in two directions, thereby meeting the use requirements of adding functions such as micro-ventilation. In addition, the positioning bar and the sliding part are structures that can be matched and connected. When the door and window are opened and closed, the positioning bar will be matched and connected with the sliding part, and then the sliding part will be stuck, thereby realizing the positioning of the door and window after opening and closing. Compared with the traditional positioning method that only relies on friction, its stability and reliability are better. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention has the following accompanying drawings:

[0012] Figure 1 It is a split structure diagram of the present invention;

[0013] Figure 2 for Figure 1 A partial enlarged view of the area pointed by A in the middle;

[0014] Figure 3 for Figure 1 A view from another perspective;

[0015] Figure 4 for Figure 3 A partial enlarged view of the area pointed by B in the middle. DETAILED DESCRIPTION

[0016] As shown in the figure, a positioning wind brace disclosed by the present invention includes a positioning component and a connecting arm 2, the positioning component includes a slide rail 6, and a sliding member 7, a positioning strip 3 and a moving strip 4 are sequentially arranged in the upper and lower parts of the slide rail 6, one end of the connecting arm 2 is hinged to the sliding member 7, and the other end is hinged to the window sash 1, a protrusion 11 is arranged on one side of the positioning strip 3, an elastic member 15 is arranged between the sliding member 7 and the positioning strip 3, one end of the elastic member 15 is connected to the sliding member 7, and a trapezoidal protrusion 5 with inclined surfaces 10 on both sides cooperating with the protrusion 11 is arranged on the moving strip 4. Since the inclined surfaces 10 are arranged at both ends of the trapezoidal protrusion 5, the trapezoidal protrusion 5 and the protrusion 11 will not be stuck to each other, ensuring that the moving strip 4 can move in two directions, thereby meeting the use requirements of adding functions such as micro-ventilation. Of course, inclined surfaces 12 can also be arranged at both ends of the protrusion 5 to make the cooperative contact between the two smoother. The moving bar 4 is connected to the handle on the door and window through a transmission mechanism. As the handle is turned, the moving bar 4 can be driven to move. This belongs to the prior art and does not involve the innovation of the present application, so it will not be repeated. A rack 8 is provided on the positioning bar 3, and a tooth portion 9 that can cooperate with the rack 8 is provided on the sliding member 7. When the positioning bar 3 is close to the sliding member 7, the tooth portion 9 on the sliding member 7 will be inserted into the rack 8 on the positioning bar 3 to achieve the positioning of the sliding member 7. Compared with the traditional structure that only relies on friction to achieve the positioning of the sliding member, this structure of the present application has better stability and reliability in the positioning of the sliding member 7. In addition, the positioning bar 3 is provided with a groove 13 on one side of the rack 8. The groove 13 corresponds to the position of the sliding member 7 when the window is closed. At this time, the tooth portion 9 on the sliding member 7 is located in the groove 13, so that when the window is closed, the tooth portion 9 will not be in a squeezed state for a long time, thereby improving its service life. A limit spring 14 is arranged inside the slide rail 6, and the limit spring 14 can be against the sliding member 7. The limit spring 14 corresponds to the maximum opening angle of the window sash. When the window sash is opened to the maximum opening angle, the sliding member 7 will be against the limit spring 14, and the limit spring 14 will feedback a rebound force to prevent the user from over-opening the window sash.

[0017] The working principle of the present invention is: by rotating the handle, the moving bar 4 is driven to move, so that the trapezoidal protrusion 5 on the moving bar 4 is staggered with the protrusion 11 on the positioning bar 3. At this time, due to the presence of the elastic member 15, there is a certain gap between the positioning bar 3 and the sliding member 7, and the sliding member 7 can slide conveniently in the slide rail 6 to ensure that the doors and windows can be opened and closed smoothly. When the doors and windows are opened and closed to a suitable angle, the handle is rotated to drive the moving bar 4 to move, so that the trapezoidal protrusion 5 contacts and pushes the protrusion 11 on the positioning bar 3 a certain distance, driving the positioning bar 3 to approach the sliding member 7 and squeeze the elastic member 15, and the tooth portion 9 on the sliding member 7 is inserted into the rack 8, thereby limiting the movement of the sliding member 7, positioning the sliding member 7, and ensuring the stability and reliability of the positioning after the doors and windows are opened and closed.

[0018] The present invention has a simple structure and a reasonable design, which effectively reduces the number of required parts and is easy to produce and assemble. After the doors and windows are opened and closed, the positioning stability and reliability are better, and the moving strip can move in two directions, thereby meeting the use requirements of adding functions such as micro-ventilation, and can provide a better user experience.

Claims

1. A positioning wind brace, comprising a positioning assembly and a connecting arm (2), characterized in that The positioning assembly comprises a slide rail (6), wherein a sliding member (7), a positioning strip (3) and a moving strip (4) are sequentially arranged in the upper and lower parts of the slide rail (6), the connecting arm (2) is hingedly connected to the slide rail (7), a protrusion (11) is arranged on one side of the positioning strip (3), an elastic member (15) is arranged between the slide rail (7) and the positioning strip (3), one end of the elastic member (15) is connected to the slide rail (7), the moving strip (4) is provided with a trapezoidal protrusion (5) with inclined surfaces (10) on both sides cooperating with the protrusion (11), the positioning strip (3) is provided with a rack (8), and the positioning strip (3) is provided with a groove (13) on one side of the rack (8), and a limit spring (14) is arranged inside the slide rail (6), and the limit spring (14) can abut against the slide rail (7).

2. A positioning wind brace according to claim 1, characterized in that The sliding member (7) is provided with a tooth portion (9) which can cooperate with the rack (8).

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