Shutter switching connecting piece

Abstract

The utility model relates to a shutter switching connecting piece which comprises an installation frame, a first shaft rod and a second shaft rod are respectively installed in the installation frame in a rotating mode, blades are fixed on the first shaft rod and the second shaft rod, the two blades can be oppositely opened or oppositely closed in the installation frame, and when the blades are oppositely closed, the interior of the installation frame is blocked. A conversion linkage mechanism is arranged on one side of the mounting frame and used for driving the first shaft rod and the second shaft rod to rotate reversely at the same time so as to drive the two blades to be oppositely opened or oppositely closed in the mounting frame. The blades on the two sides can be controlled to be adjusted synchronously through the same control system, the cost investment is reduced, meanwhile, control and adjustment are more convenient and faster, in addition, meshing driving of the worm and the worm gear has a one-way transmission effect, the self-locking effect is achieved, it is guaranteed that the first connecting shaft cannot rotate at will when the worm is not adjusted, and the service life of the first connecting shaft is prolonged. And therefore, the two blades are prevented from rotating at will, and the state of the two blades can be maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of blinds, in particular to a blind conversion connector. Background Art

[0002] Venetian blinds are window decorations consisting of a series of parallel horizontal or vertical curtain pieces. Venetian blinds are mainly composed of louvers, beams and control devices. The louvers are opened and closed by adjusting the louvers to different angles through the control device.

[0003] In the prior art, the blades of the double-leaf blinds rotate at opposite angles on both sides, and the double-leaf blinds rotate in opposite directions at the same time to achieve the double-leaf blinds and double-leaf blinds. However, since the blades on both sides rotate in opposite directions, two sets of control devices are required to control the rotation of the blades on both sides respectively, which undoubtedly increases the investment of equipment costs. In addition, the two sets of control devices are time-consuming and labor-intensive to operate, and are not convenient enough. Utility Model Content

[0004] The purpose of the utility model is to provide a shutter conversion connector, which effectively solves the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0006] A shutter conversion connector comprises a mounting frame, in which a first shaft rod and a second shaft rod are rotatably mounted respectively, blades are fixed on the first shaft rod and the second shaft rod, and the two blades can be opened or matched in the mounting frame, and when matched, the mounting frame is blocked, and a conversion linkage mechanism is provided on one side of the mounting frame, and the conversion linkage mechanism is used to drive the first shaft rod and the second shaft rod to rotate in opposite directions at the same time, so as to drive the two blades to open or match in the mounting frame.

[0007] It can be seen that by operating the conversion linkage mechanism, the first shaft rod and the second shaft rod can be driven to rotate in opposite directions at the same time, and then the two blades can be driven to open or close in the installation frame. The same control system is used to control the blades on both sides to adjust synchronously, and there is no need to install two sets of control devices. This not only reduces the cost investment, but also makes the control and adjustment more convenient and quick.

[0008] Furthermore, the conversion linkage mechanism includes a first connecting shaft, a second connecting shaft, a fan-shaped block, a first connecting arm, a second connecting arm and a driving and adjusting mechanism. The first connecting shaft and the second connecting shaft are respectively rotatably installed on one side of the mounting frame. The first connecting shaft extends into the interior of the mounting frame and is fixedly connected to one end of the first shaft rod. The second connecting shaft extends into the mounting frame and is fixedly connected to one end of the second shaft rod. The fan-shaped block is fixed to the top end of the first connecting shaft, one end of the first connecting arm is fixed to the top end of the second connecting shaft, the other end of the first connecting arm is hinged to one end of the second connecting arm, and the other end of the second connecting arm is hinged to the fan-shaped block. The driving and adjusting mechanism is arranged on the side of the mounting frame, which is used to drive the first connecting shaft to rotate forward or reverse.

[0009] By operating the driving and adjusting mechanism, the first connecting shaft is driven to rotate in the forward direction, and the first connecting shaft drives the sector block to rotate synchronously. Under the traction connection action of the driving and adjusting mechanism and the first connecting arm, the second connecting shaft is driven to rotate, and the rotation direction of the second connecting shaft is opposite to the rotation direction of the first connecting shaft, thereby driving the first shaft rod and the second shaft rod to rotate in opposite directions at the same time. At this time, the two blades can be driven to rotate and engage to achieve blocking in the installation frame. By operating the driving and adjusting mechanism, the first connecting shaft is driven to rotate in the reverse direction. Similarly, the two blades can be driven to rotate and engage to cancel the blocking in the installation frame.

[0010] Furthermore, the drive adjustment mechanism includes a bracket, a worm and a worm wheel. A pair of brackets are fixed to the side of the mounting frame. The worm is rotatably mounted on the two brackets. The worm wheel is fixed on the first connecting shaft and is located below the fan-shaped block, and is correspondingly engaged with the worm.

[0011] By rotating the adjusting worm, the worm meshes with the worm wheel and drives the first connecting shaft to rotate, thereby providing drive for the rotation of the first connecting shaft. In addition, the meshing drive of the worm and the worm wheel has a one-way transmission effect, thereby playing a self-locking role. When the worm is not adjusted, it ensures that the first connecting shaft will not rotate at will, thereby ensuring that the two blades will not rotate at will, which helps to maintain the status of the two blades.

[0012] Furthermore, an arc-shaped guide groove is provided on the fan-shaped block near its outer edge surface, and the curvature of the arc-shaped guide groove is consistent with the curvature of the outer edge surface of the fan-shaped block. A vertical rod is fixed on the side of the mounting frame, and the vertical rod passes through the arc-shaped guide groove and extends vertically to the top of the fan-shaped block. The vertical rod slides and fits with the inner wall of the arc-shaped guide groove.

[0013] When the sector block rotates following the first connecting shaft, the vertical rod can slide along the arc-shaped guide groove to play a supporting and guiding role.

[0014] Furthermore, an angle scale line is provided on the upper surface of the sector block, and an indicator sheet is fixed to the top of the vertical rod. When the two blades are matched to seal the installation frame, the indicator sheet indicates the zero scale of the angle scale line.

[0015] When the first connecting shaft rotates to adjust the angle of the two blades, the position of the indicator piece on the angle scale line can change with the angle change of the blade, that is, the cooperation between the indicator piece and the angle scale line makes it easy to grasp the rotation angle of the blade in time.

[0016] Furthermore, one end of the worm extends through the side of the mounting frame and is fixedly mounted with a rocker.

[0017] By pinching the rocker, it is convenient to apply force to adjust the worm gear.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows.

[0019] 1. The utility model drives the first connecting shaft to rotate forward and reversely by operating the driving and adjusting mechanism, and the first connecting shaft drives the fan-shaped block to rotate synchronously. Under the traction connection between the driving and adjusting mechanism and the first connecting arm, the second connecting shaft is driven to rotate, and the rotation direction of the second connecting shaft is opposite to the rotation direction of the first connecting shaft, thereby driving the first shaft rod and the second shaft rod to rotate simultaneously in opposite directions, and driving the two blades to rotate to achieve alignment or opening. The same control system can be used to control the blades on both sides to be adjusted synchronously, thereby reducing the cost investment and making the control and adjustment more convenient and quick.

[0020] 2. The utility model adjusts the worm by rotating the worm, which meshes with the worm wheel and drives the first connecting shaft to rotate, thereby providing drive for the rotation of the first connecting shaft. In addition, the meshing drive of the worm and the worm wheel has a one-way transmission effect, thereby playing a self-locking role. When the worm is not adjusted, it is ensured that the first connecting shaft will not rotate at will, thereby ensuring that the two blades will not rotate at will, which helps to maintain the status of the two blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0023] Figure 3 It is a detailed structural diagram of the conversion linkage mechanism in the utility model;

[0024] Figure 4 It is a detailed structural diagram of the driving and adjusting mechanism in the utility model;

[0025] Figure 5 for Figure 4A schematic diagram of the enlarged structure in the middle.

[0026] In the figure: 1. mounting frame; 11. first shaft; 12. second shaft; 2. blades; 3. conversion linkage mechanism; 31. first connecting shaft; 32. second connecting shaft; 33. sector block; 331. arc guide groove; 332. vertical rod; 3321. indicator sheet; 333. angular scale line; 34. first connecting arm; 35. second connecting arm; 36. drive adjustment mechanism; 361. bracket; 362. worm; 3621. rocker; 363. worm wheel. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "connection" can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed" means that they are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present utility model, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present utility model.

[0029] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0030] See also Figure 1-Figure 5The utility model provides a shutter conversion connecting piece, including a mounting frame 1, in which a first shaft rod 11 and a second shaft rod 12 are rotatably mounted respectively, and blades 2 are fixed on the first shaft rod 11 and the second shaft rod 12. The two blades 2 can be opened or matched in the mounting frame 1, and when matched, the mounting frame 1 is blocked. A conversion linkage mechanism 3 is provided on one side of the mounting frame 1, and the conversion linkage mechanism 3 is used to drive the first shaft rod 11 and the second shaft rod 12 to rotate in opposite directions at the same time, so as to drive the two blades 2 to open or match in the mounting frame 1.

[0031] When the conversion connecting piece provided by the utility model is used for a shutter, the first shaft rod 11 and the second shaft rod 12 can be driven to rotate in opposite directions at the same time by operating the conversion linkage mechanism 3, thereby driving the two blades 2 to open or close in the installation frame 1, and the same control system is used to control the blades 2 on both sides to be adjusted synchronously, without the need to configure two sets of control devices, which not only reduces the cost investment, but also makes the control and adjustment more convenient and quick.

[0032] Specifically, the conversion linkage mechanism 3 includes a first connecting shaft 31, a second connecting shaft 32, a fan-shaped block 33, a first connecting arm 34, a second connecting arm 35 and a driving adjustment mechanism 36. The first connecting shaft 31 and the second connecting shaft 32 are respectively rotatably mounted on one side of the mounting frame 1. The first connecting shaft 31 extends through the interior of the mounting frame 1 and is fixedly connected to one end of the first shaft rod 11. The second connecting shaft 32 extends through the interior of the mounting frame 1 and is fixedly connected to one end of the second shaft rod 12. The fan-shaped block 33 is fixed to the top end of the first connecting shaft 31, one end of the first connecting arm 34 is fixed to the top end of the second connecting shaft 32, the other end of the first connecting arm 34 is hinged to one end of the second connecting arm 35, and the other end of the second connecting arm 35 is hinged to the fan-shaped block 33. The mechanism 36 is arranged on the side of the installation frame 1, and is used to drive the first connecting shaft 31 to rotate forward or reverse. The first connecting shaft 31 is driven to rotate forward by operating the driving and adjusting mechanism 36, and the first connecting shaft 31 drives the fan-shaped block 33 to rotate synchronously. Under the traction connection action of the driving and adjusting mechanism 36 and the first connecting arm 34, the second connecting shaft 32 is driven to rotate, and the rotation direction of the second connecting shaft 32 is opposite to the rotation direction of the first connecting shaft 31, thereby driving the first shaft rod 11 and the second shaft rod 12 to rotate simultaneously in opposite directions. At this time, the two blades 2 can be driven to rotate and engage to achieve blocking in the installation frame 1. The first connecting shaft 31 is driven to rotate in the opposite direction by operating the driving and adjusting mechanism 36. Similarly, the two blades 2 can be driven to rotate and open, thereby canceling the blocking in the installation frame 1.

[0033] Specifically, the driving and adjusting mechanism 36 includes a bracket 361, a worm 362 and a worm wheel 363. A pair of brackets 361 are fixed on the side of the mounting frame 1. The worm 362 is rotatably mounted on the two brackets 361. The worm wheel 363 is fixed on the sleeve on the first connecting shaft 31 and is located below the fan-shaped block 33, and is meshed with the worm 362 accordingly. By rotating and adjusting the worm 362, the worm 362 meshes with the worm wheel 363 and drives the first connecting shaft 31 to rotate, thereby providing drive for the rotation of the first connecting shaft 31. In addition, the meshing drive of the worm 362 and the worm wheel 363 has a one-way transmission effect, thereby playing a self-locking role. When the worm 362 is not adjusted, it is ensured that the first connecting shaft 31 will not rotate at will, thereby ensuring that the two blades 2 will not rotate at will, which helps to maintain the state of the two blades 2.

[0034] Specifically, an arc-shaped guide groove 331 is provided on the fan-shaped block 33 near its outer edge surface, and the curvature of the arc-shaped guide groove 331 is consistent with the curvature of the outer edge surface of the fan-shaped block 33. A vertical rod 332 is fixed on the side of the mounting frame 1. The vertical rod 332 passes through the arc-shaped guide groove 331 and extends vertically to the top of the fan-shaped block 33. The vertical rod 332 slides and fits with the inner wall of the arc-shaped guide groove 331. When the fan-shaped block 33 rotates following the first connecting shaft 31, the vertical rod 332 can slide along the arc-shaped guide groove 331 to play a supporting and guiding role.

[0035] Specifically, an angle scale line 333 is provided on the upper surface of the fan-shaped block 33, and an indicator piece 3321 is fixed to the top of the vertical rod 332. When the two blades 2 are aligned to seal the installation frame 1, the indicator piece 3321 indicates the zero scale of the angle scale line 333. When the first connecting shaft 31 is rotated to adjust the angle of the two blades 2, the position indicated by the indicator piece 3321 on the angle scale line 333 can change with the angle change of the blade 2, that is, the indicator piece 3321 is used in coordination with the indication of the angle scale line 333, so as to timely grasp the rotation angle of the blade 2.

[0036] Specifically, one end of the worm 362 extends through the side of the mounting frame 1 and is fixedly mounted with a rocker 3621 , so that by pinching the rocker 3621 , it is convenient to apply force to screw and adjust the worm 362 .

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A shutter conversion connector, comprising a mounting frame (1), characterized in that: A first shaft (11) and a second shaft (12) are rotatably mounted in the installation frame (1), and blades (2) are fixed on the first shaft (11) and the second shaft (12). The two blades (2) can be opened or closed in the installation frame (1), and when closed, the installation frame (1) is sealed. A conversion linkage mechanism (3) is provided on one side of the installation frame (1), and the conversion linkage mechanism (3) is used to drive the first shaft (11) and the second shaft (12) to rotate in opposite directions at the same time, so as to drive the two blades (2) to open or close in the installation frame (1).

2. A shutter conversion connector according to claim 1, characterized in that: The conversion linkage mechanism (3) comprises a first connecting shaft (31), a second connecting shaft (32), a sector block (33), a first connecting arm (34), a second connecting arm (35) and a driving adjustment mechanism (36); The first connecting shaft (31) and the second connecting shaft (32) are respectively rotatably mounted on one side of the mounting frame (1); The first connecting shaft (31) extends through the interior of the installation frame (1) and is fixedly connected to one end of the first shaft (11); the second connecting shaft (32) extends through the interior of the installation frame (1) and is fixedly connected to one end of the second shaft (12); The fan-shaped block (33) is fixed to the top end of the first connecting shaft (31), one end of the first connecting arm (34) is fixed to the top end of the second connecting shaft (32), the other end of the first connecting arm (34) is hinged to one end of the second connecting arm (35), and the other end of the second connecting arm (35) is hinged to the fan-shaped block (33); The driving adjustment mechanism (36) is arranged on the side of the installation frame (1) and is used to drive the first connecting shaft (31) to rotate in the forward or reverse direction.

3. The shutter conversion connector according to claim 2, characterized in that: The driving adjustment mechanism (36) comprises a bracket (361), a worm (362) and a worm wheel (363); A pair of brackets (361) are fixed on the side of the mounting frame (1), and the worm (362) is rotatably mounted on the two brackets (361); The worm wheel (363) is fixed on the first connecting shaft (31) and is located below the sector block (33), and is correspondingly meshed with the worm (362).

4. The shutter conversion connector according to claim 2, characterized in that: The sector block (33) is provided with an arc-shaped guide groove (331) extending vertically and close to its outer edge surface, and the curvature of the arc-shaped guide groove (331) is consistent with the curvature of the outer edge surface of the sector block (33); A vertical rod (332) is fixed on the side of the installation frame (1), and the vertical rod (332) passes through the arc-shaped guide groove (331) and extends vertically to the top of the sector block (33); The vertical rod (332) is slidably fitted with the inner wall of the arc-shaped guide groove (331).

5. The shutter conversion connector according to claim 4, characterized in that: The upper surface of the sector block (33) is provided with an angle scale line (333), and the top end of the vertical rod (332) is fixed with an indicator sheet (3321); When the two blades (2) are aligned to seal the inside of the installation frame (1), the indicator sheet (3321) indicates the zero mark of the angle scale line (333).

6. The shutter conversion connector according to claim 3, characterized in that: One end of the worm (362) extends through the side of the mounting frame (1) and is fixedly mounted with a rocking plate (3621).

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