Blade lock for blind window

Abstract

The utility model discloses a blade lock for a shutter, and relates to the technical field of shutters. The blade lock for the blind window comprises a window frame, a locking mechanism and a positioning mechanism, at least two sets of blades are rotationally installed between the inner walls of the two sides of the window frame, the locking mechanism is arranged on the window frame and used for locking when the blades are in a closed state, the positioning mechanism is arranged on the window frame and comprises a positioning piece, a connecting rod and a grip, and the connecting rod is connected with the positioning piece. A positioning piece is arranged on the inner wall of one side of the window frame, two connecting rods are fixedly mounted on the outer surface of one side of the positioning piece, a grip is arranged on one side of the window frame, and one ends of the two connecting rods penetrate through one side of the window frame, extend out of one side of the window frame and are fixedly connected with the grip. According to the blade lock for the blind window, the blades can be fixed at any angle in the rotating range of the blades in an abutting mode through the positioning mechanism, the rotating range of the blades is widened, and the practicability of the blade lock is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blinds, in particular to a blade lock for blinds. Background Art

[0002] The application document with publication number CN209586175U discloses a blade lock for a Venetian blind, comprising a latch seat installed in the inner cavity of a Venetian blind blade and an opening formed in a column, a slide groove being formed on the latch seat, and a latch being installed in the slide groove; the latch comprises a sliding portion and a hand-held portion, the sliding portion and the hand-held portion forming an L-shaped latch, the sliding portion being embedded in the slide groove, and the hand-held portion being exposed from the slide groove; a sliding hole is formed on the Venetian blind blade to facilitate the exposure of the hand-held portion, the opening cooperates with the slide groove, the latch passes through the slide groove and then extends into the opening to lock the Venetian blind blade, the structure is simple, the design is reasonable, the operation is flexible and easy, the handle ball is held to make the latch move along the slide groove and then extend into the opening, the Venetian blind blade is locked and fixed at this angle and cannot move; when the handle ball is held to make the latch move along the slide groove and then leave the opening on the column, the Venetian blind blade can be rotated to adjust the angle.

[0003] However, when adjusting the angle of the blade, the blade lock can only be adjusted to the angle of only a few groups of openings, and cannot be adjusted at will. The adjustment range is limited. Therefore, we propose a blade lock for blinds. Utility Model Content

[0004] The utility model aims to provide a blade lock for a shutter, which can solve the problem that some existing blade locks are limited in adjustment.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a blade lock for a blind, comprising:

[0006] A window frame, with at least two groups of blades rotatably mounted between inner walls on both sides;

[0007] A locking mechanism, which is arranged on the window frame and is used to lock the blade when it is in a closed state;

[0008] A positioning mechanism is arranged on the window frame, and the positioning mechanism includes a positioning plate, a connecting rod and a handle. A positioning plate is arranged on the inner wall of one side of the window frame, and two groups of connecting rods are fixedly installed on the outer surface of one side of the positioning plate. A handle is arranged on one side of the window frame, and one end of the two groups of connecting rods passes through one side of the window frame, extends to the outside of one side of the window frame, and is fixedly connected to the handle.

[0009] Preferably, the positioning mechanism also includes springs, and a group of springs are sleeved on the two groups of connecting rods. One end of the two groups of springs is fixedly connected to the outer surface of one side of the positioning plate, and the other end of the two groups of springs is fixedly connected to the inner wall of one side of the window frame.

[0010] Preferably, the locking mechanism includes a locking plate, a pull ring, a magnet plate, a metal plate and a slot. A locking plate is provided through one side of the window frame, a pull ring is fixedly installed on the outer surface of one side of the window frame, a magnet plate is fixedly installed on the outer surface of one side of the window frame, a metal plate with a size corresponding to that of the magnet plate is fixedly installed on the front outer surface of the locking plate, and a slot with a size corresponding to that of the blade is provided through the locking plate.

[0011] Preferably, a transmission device is fixedly installed on the outer surface of the other side of the window frame, and at least two sets of meshing gears are provided for internal rotation of the transmission device. The rotating shaft of each set of gears is transmission-connected to the corresponding blades, so that the blades can open and close synchronously.

[0012] Preferably, two sets of rain shields are fixedly mounted on the rear outer surface of the window frame.

[0013] Preferably, a water channel is provided through the bottom of the window frame to prevent rainwater from accumulating and seeping into the room.

[0014] Preferably, an anti-skid pad is fixedly mounted on the outer surface of the other side of the positioning piece, and the anti-skid pad contacts the corresponding blade, thereby improving the positioning effect of the positioning piece by increasing the friction force of the contact.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The blade lock for the Venetian blind can fix the blade at any angle within the range of blade rotation by means of a positioning mechanism, thereby increasing the blade rotation range. This solves the problem that some existing blade locks can only adjust the blade angle to the angle of only a few groups of openings and cannot be adjusted at will, resulting in a limited adjustment range. This improves the practicality of the blade lock.

[0017] (2) The leaf lock of the venetian blind can replace the positioning mechanism to lock the position of the leaf when the leaf is closed through the locking mechanism, thereby preventing the locking state from being affected by the external environment, such as strong wind, by the resistance force of the positioning mechanism. This ensures the use effect of the leaf lock and is conducive to the promotion and use of the leaf lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a front perspective view of the utility model;

[0020] Figure 2 It is a rear perspective view of the utility model;

[0021] Figure 3 It is a partial stereogram of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the card board of the present utility model.

[0023] Figure numerals: 1. Window frame; 2. Blade; 3. Positioning mechanism; 31. Positioning plate; 32. Connecting rod; 33. Handle; 34. Spring; 4. Locking mechanism; 41. Locking plate; 42. Pull ring; 43. Magnet sheet; 44. Metal sheet; 45. Slot; 5. Transmission device; 6. Rain shield; 7. Gutter; 8. Anti-slip pad. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] See also Figure 1-4 The utility model provides a technical solution: a blade lock for a Venetian blind, comprising a window frame 1, at least two groups of blades 2 are rotatably mounted between the inner walls of both sides of the window frame 1, a locking mechanism 4 is arranged on the window frame 1, and the locking mechanism 4 is used to lock the blades 2 when they are in a closed state, a transmission device 5 is fixedly mounted on the outer surface of the other side of the window frame 1, at least two groups of meshing gears are rotatably arranged inside the transmission device 5, and the rotating shaft of each group of gears is transmission-connected with the corresponding blade 2, two groups of rain shields 6 are fixedly mounted on the outer surface of the rear side of the window frame 1, and a water channel 7 is provided through the bottom of the window frame 1;

[0026] The positioning mechanism 3 is arranged on the window frame 1, and the positioning mechanism 3 includes a positioning plate 31, a connecting rod 32 and a handle 33. A positioning plate 31 is arranged on the inner wall of one side of the window frame 1, and two groups of connecting rods 32 are fixedly installed on the outer surface of one side of the positioning plate 31. A handle 33 is arranged on one side of the window frame 1, and one end of the two groups of connecting rods 32 passes through one side of the window frame 1, extends to the outside of one side of the window frame 1, and is fixedly connected to the handle 33.

[0027] The positioning mechanism 3 also includes a spring 34. A group of springs 34 are sleeved on the two groups of connecting rods 32. One end of the two groups of springs 34 is fixedly connected to the outer surface of one side of the positioning plate 31, and the other end of the two groups of springs 34 is fixedly connected to the inner wall of one side of the window frame 1. The outer surface of the other side of the positioning plate 31 is fixedly installed with an anti-skid pad 8, and the anti-skid pad 8 conflicts with the corresponding blade 2. Through the positioning mechanism 3, the blade 2 can be fixed at any angle within the rotation range of the blade 2 by means of conflict, thereby increasing the rotation range of the blade 2, solving the problem that some existing blade locks can only adjust to the angle of only a few groups of openings when adjusting the angle of the blade, cannot be adjusted at will, and the adjustment range is limited, thereby improving the practicality of the blade lock.

[0028] The locking mechanism 4 includes a locking plate 41, a pull ring 42, a magnet plate 43, a metal plate 44 and a slot 45. The locking plate 41 is provided on one side of the window frame 1, and a pull ring 42 is fixedly installed on the outer surface of one side of the window frame 1. A magnet plate 43 is fixedly installed on the outer surface of one side of the window frame 1. A metal plate 44 with a size corresponding to the magnet plate 43 is fixedly installed on the front outer surface of the locking plate 41. A slot 45 with a size corresponding to the blade 2 is provided on the locking plate 41. Through the locking mechanism 4, when the blade 2 is closed, its position can be locked instead of the positioning mechanism 3, so that the locking state is not affected by the external environment, such as the force of strong wind, which only relies on the resistance of the positioning mechanism 3. The use effect of the blade lock is guaranteed, which is conducive to the promotion and use of the blade lock.

[0029] Working principle: when opening for use, pull the handle 33, and the positioning piece 31 will move away from the blade 2 through the two sets of connecting rods 32, and the positioning piece 31 will compress the springs 34 on the two sets of connecting rods 32. At this time, each blade 2 can be rotated to any angle at will. After determining the degree of opening and closing, release the handle 33. Under the rebound action of the two sets of springs 34, the positioning piece 31 is reset and contacts the corresponding blade 2 through the anti-slip pad 8 to fix it, that is, all the blades 2 are locked. When all the blades 2 are in the closed state, the blade 2 is in a vertical state. The locking piece 41 is clamped to the corresponding blade 2 through the card slot 45 through the pull ring 42, and the metal sheet 44 is also fitted and adsorbed with the magnet sheet 43 to prevent it from rotating, thereby further achieving locking.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A blade lock for a Venetian blind, characterized in that: include: A window frame (1) has at least two groups of blades (2) rotatably mounted between inner walls on both sides thereof; A locking mechanism (4) is arranged on the window frame (1), and the locking mechanism (4) is used to lock the blade (2) when it is in a closed state; A positioning mechanism (3) is arranged on a window frame (1), the positioning mechanism (3) comprising a positioning piece (31), a connecting rod (32) and a handle (33); a positioning piece (31) is arranged on an inner wall of one side of the window frame (1); two groups of connecting rods (32) are fixedly mounted on an outer surface of one side of the positioning piece (31); a handle (33) is arranged on one side of the window frame (1); one end of the two groups of connecting rods (32) penetrates through one side of the window frame (1), extends to the outside of one side of the window frame (1) and is fixedly connected to the handle (33).

2. The blade lock for a Venetian blind according to claim 1, characterized in that: The positioning mechanism (3) further comprises a spring (34), each of the two groups of connecting rods (32) being provided with a group of springs (34), one end of each of the two groups of springs (34) being fixedly connected to an outer surface of one side of the positioning plate (31), and the other end of each of the two groups of springs (34) being fixedly connected to an inner wall of one side of the window frame (1).

3. A blade lock for a Venetian blind according to claim 2, characterized in that: The locking mechanism (4) comprises a locking plate (41), a pull ring (42), a magnet plate (43), a metal plate (44) and a slot (45); a locking plate (41) is provided through one side of the window frame (1); a pull ring (42) is fixedly mounted on one side of the window frame (1) on the outer surface of one side of the locking plate (41); a magnet plate (43) is fixedly mounted on one side of the outer surface of the window frame (1); a metal plate (44) having a size corresponding to that of the magnet plate (43) is fixedly mounted on the front outer surface of the locking plate (41); and a slot (45) having a size corresponding to that of the blade (2) is provided through the locking plate (41).

4. The blade lock for a Venetian blind according to claim 3, characterized in that: A transmission device (5) is fixedly mounted on the outer surface of the other side of the window frame (1), and at least two sets of meshing gears are rotatably arranged inside the transmission device (5), and the rotating shaft of each set of gears is transmission-connected to the corresponding blade (2).

5. The blade lock for a Venetian blind according to claim 4, characterized in that: Two groups of rain shields (6) are fixedly mounted on the rear outer surface of the window frame (1).

6. The blade lock for a Venetian blind according to claim 5, characterized in that: A water channel (7) is provided through the bottom of the window frame (1).

7. The blade lock for a Venetian blind according to claim 6, characterized in that: An anti-skid pad (8) is fixedly mounted on the outer surface of the other side of the positioning piece (31), and the anti-skid pad (8) is in contact with the corresponding blade (2).

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