Vertical pp shutter

Abstract

The utility model relates to the technical field of shutters, and discloses a vertical pp shutter which comprises two side frames, the top ends of the two side frames are jointly connected with a top frame, and the bottom ends of the two side frames are fixedly connected with a bottom frame. The blade assembly comprises a blade body; the bottom frame is hollow, the transmission unit is arranged in a cavity of the bottom frame, and the transmission unit comprises a rack; and a push block. The side frames, the top frame and the bottom frame are arranged to form a frame of the shutter, screws are arranged to facilitate installation, disassembly and transportation, the transmission unit is arranged in a cavity of the bottom frame, the pushing block achieves adjustment of the rotation angle of the blade assembly through the transmission unit in the moving process, and in order to reduce the change of the rotation angle of the blade assembly caused by wind flow, the adjustment is convenient. And the limiting clamping plate is arranged in the bottom frame cavity, the bottom end of the connecting sliding block is connected with the shifting piece in a matched mode, the pushing block is limited, and the practicability of the device is improved through the reasonable structural design.

Description

Technical Field

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

[0002] Vertical blinds, with adjustable louvers, are supported by multiple pulleys movably mounted on a hanging rail. Each louver is then extended along the hanging rail and its angle adjusted to adjust the amount of light entering the room. In narrow and long spaces, vertical blinds can be more effective for vertical ventilation than horizontal ventilation.

[0003] Some Venetian blinds use mechanical components such as cords, chains, or rockers to control the opening and closing of the blades and adjust their angles. These mechanical components are prone to wear, breakage, or seizure over time. For example, the cord of a cord-operated blind may wear out or even break with frequent use, resulting in improper operation of the blades. The rocker connection of a rocker-operated blind may become loose due to wear, affecting the precise control of the blades.

[0004] Therefore, those skilled in the art provide vertical PP blinds to solve the problems raised in the above background technology. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a vertical PP blind, which solves the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A vertical PP blind comprises: a side frame, wherein there are two side frames, the top ends of the two side frames are commonly connected to a top frame, and the bottom ends of the two side frames are fixedly connected to a bottom frame; a blade assembly, wherein the blade assembly is movably arranged between the top frame and the bottom frame, and there are multiple blade assemblies, and the blade assembly and the side frames are parallel to each other, and the blade assembly includes a blade body; a transmission unit, wherein the bottom frame is hollow, and the transmission unit is arranged in the bottom frame cavity for adjusting the rotation angle of the blade assembly, and the transmission unit includes a rack; a push block, wherein the push block is arranged at the front end of the bottom frame for adjusting the movement of the rack.

[0008] According to the vertical PP blinds, screws are provided between the top frame, the bottom frame and the side frames, and the top frame and the bottom frame are fixedly connected to the side frames by the screws.

[0009] According to the vertical PP blinds, the top end of the blade body is fixedly connected to the top rotating shaft, the bottom end of the blade body is fixedly connected to the bottom rotating shaft, the top frame is provided with a snap-fit ​​groove at the position corresponding to the top rotating shaft, and the bottom frame is provided with a snap-fit ​​hole at the position corresponding to the bottom rotating shaft.

[0010] According to the vertical PP blinds, the bottom rotating shaft is fixed with a gear running through it in the bottom frame cavity, and the rack is movably engaged with the gear.

[0011] According to the vertical PP blinds, both sides of the bottom end of the rack are fixedly connected with fixed piles, and a guide rod is fixedly installed in the cavity of the bottom frame. The guide rod movably passes through the fixed pile, and the guide rod and the rack are parallel to each other.

[0012] According to the vertical PP blinds, a slide groove is opened on the front end wall of the bottom frame, and a connecting slider is movably engaged in the slide groove. One end of the connecting slider is fixedly connected to the rack, and the other end of the connecting slider is fixedly connected to the push block.

[0013] According to the vertical PP blinds, the bottom end of the connecting slider is fixedly connected with a pick, and a limiting card is fixedly installed on the bottom wall surface of the bottom frame cavity. Rectangular grooves are evenly opened on the top of the limiting card. The material of the limiting card is plastic. The bottom end of the pick is arc-shaped, and the bottom end of the pick is in contact with the rectangular groove.

[0014] The utility model provides a vertical PP blinds with the following beneficial effects:

[0015] (1) The frame of the blinds is formed by setting side frames, top frames and bottom frames, and screws are set to facilitate installation, disassembly and transportation. The blade assembly is movably set between the top frame and the bottom frame. By setting a transmission unit in the cavity of the bottom frame, the push block can adjust the rotation angle of the blade assembly through the transmission unit during the movement. In order to reduce the change of the rotation angle of the blade assembly caused by wind flow, a limit card is set in the cavity of the bottom frame, which cooperates with the connecting piece at the bottom end of the slider to limit the push block. The practicality of the device is improved through reasonable structural design.

[0016] (2) By fixing the fixed piles on both sides of the bottom end of the rack, the guide rod movably passes through the fixed piles, and the guide rod is fixedly installed in the bottom frame cavity, which plays a role in limiting and guiding the movement of the rack.

[0017] (3) By fixing the connecting paddle at the bottom end of the connecting slider, the limiting card is fixedly installed on the bottom wall of the bottom frame cavity, and the top of the limiting card is provided with evenly distributed rectangular grooves. During the movement of the paddle, the bottom end is engaged in the rectangular groove, and a "click" sound is emitted during the movement, which plays a role in limiting the push block, thereby reducing the change in the rotation angle of the blade assembly caused by the wind flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the vertical PP blinds of the utility model;

[0019] Figure 2This is a top view of the vertical PP blinds of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the blade assembly of the vertical PP blinds of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection relationship between the transmission unit and the blade body of the vertical PP blinds of the present invention;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the transmission unit of the vertical PP blinds of the utility model;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the limiting card plate of the vertical PP blinds of the utility model.

[0024] Legend:

[0025] 10. Side frame; 11. Top frame; 12. Bottom frame; 13. Blade assembly; 14. Screw; 15. Blade body; 16. Top shaft; 17. Bottom shaft; 18. Gear; 19. Transmission unit; 20. Rack; 21. Fixed pile; 22. Guide rod; 23. Connecting slider; 24. Push block; 25. Paddle; 26. Limiting plate; 27. Rectangular groove. DETAILED DESCRIPTION

[0026] like Figure 1-6 The vertical PP blinds are shown as follows: They include: side frames 10, two of which are connected at their top ends to a top frame 11, and bottom ends to a bottom frame 12; blade assemblies 13, which are movably disposed between the top and bottom frames 11, 12; multiple blade assemblies 13, which are parallel to the side frames 10 and include blade bodies 15; a transmission unit 19, which is disposed within the hollow bottom frame 12 and is used to adjust the rotation angle of the blade assembly 13; and a push block 24, which is disposed at the front end of the bottom frame 12 and is used to adjust the movement of the rack 20. Screws 14 are provided between the top and bottom frames 11, 12, and the side frames 10, and the top and bottom frames 11, 12 are fixedly connected to the side frames 10 via the screws 14.

[0027] Specifically, the frame of the blinds is formed by setting side frames 10, top frame 11 and bottom frame 12, and screws 14 are set to facilitate installation, disassembly and transportation. The blade assembly 13 is movably set between the top frame 11 and the bottom frame 12, and a transmission unit 19 is set in the cavity of the bottom frame 12. The push block 24 adjusts the rotation angle of the blade assembly 13 through the transmission unit 19 during the movement. In order to reduce the change in the rotation angle of the blade assembly 13 caused by wind flow, a limiting card plate 26 is set in the cavity of the bottom frame 12, which cooperates with the connecting piece 25 at the bottom end of the slider 23 to limit the push block 24. The practicality of the device is improved through reasonable structural design.

[0028] The top end of the blade body 15 is fixedly connected to the top rotating shaft 16, and the bottom end of the blade body 15 is fixedly connected to the bottom rotating shaft 17. The top frame 11 has a locking groove at the position corresponding to the top rotating shaft 16, and the bottom frame 12 has a locking hole at the position corresponding to the bottom rotating shaft 17.

[0029] Specifically, a top rotating shaft 16 is fixedly connected to the top end of the blade body 15, and a locking groove is opened on the top frame 11 at a position corresponding to the top rotating shaft 16. The top rotating shaft 16 is movably engaged in the corresponding locking groove. A bottom rotating shaft 17 is fixedly connected to the bottom end of the blade body 15, and a locking hole is opened through the bottom frame 12 at a position corresponding to the bottom rotating shaft 17. The bottom rotating shaft 17 movably passes through the top end of the bottom frame 12 through the locking hole.

[0030] The bottom rotating shaft 17 is fixed in the cavity of the bottom frame 12 and has a gear 18 passing through it. The rack 20 is movably engaged with the gear 18 .

[0031] Specifically, the bottom rotating shaft 17 is fixed in the cavity of the bottom frame 12 and penetrates a gear 18 , and the rack 20 is movably engaged with the gear 18 . During the movement of the rack 20 , the gear 18 drives the bottom rotating shaft 17 and the blade body 15 to rotate synchronously.

[0032] Both sides of the bottom end of the rack 20 are fixedly connected with fixed piles 21, and a guide rod 22 is fixedly installed in the cavity of the bottom frame 12. The guide rod 22 movably passes through the fixed piles 21, and the guide rod 22 and the rack 20 are parallel to each other.

[0033] Specifically, by fixing the fixing piles 21 on both sides of the bottom end of the rack 20, the guide rod 22 movably passes through the fixing piles 21, and the guide rod 22 is fixedly installed in the cavity of the bottom frame 12, which plays a role in limiting and guiding the movement of the rack 20.

[0034] A sliding groove is formed on the front wall of the bottom frame 12 , and a connecting slider 23 is movably engaged in the sliding groove. One end of the connecting slider 23 is fixedly connected to the rack 20 , and the other end of the connecting slider 23 is fixedly connected to the push block 24 .

[0035] Specifically, a slide groove is opened at the front end of the bottom frame 12, and the connecting slider 23 is movably engaged in the slide groove. One end of the connecting slider 23 is fixedly connected to the rack 20, and the other end of the connecting slider 23 is fixedly connected to the pushing block 24, so that the movement of the pushing block 24 drives the connecting slider 23 and the rack 20 to move synchronously.

[0036] A paddle 25 is fixedly connected to the bottom end of the connecting slider 23, and a limiting clamp 26 is fixedly installed on the bottom wall surface of the cavity of the bottom frame 12. Rectangular grooves 27 are evenly opened on the top of the limiting clamp 26. The limiting clamp 26 is made of plastic. The bottom end of the paddle 25 is arc-shaped, and the bottom end of the paddle 25 contacts the rectangular groove 27.

[0037] Specifically, by fixing the connecting paddle 25 at the bottom end of the connecting slider 23, the limiting card 26 is fixedly installed on the bottom wall surface of the cavity of the bottom frame 12, and the top of the limiting card 26 is provided with evenly distributed rectangular grooves 27. During the movement of the paddle 25, the bottom end is engaged in the rectangular groove 27, and a "click" sound is emitted during the movement, which plays a role in limiting the push block 24, thereby reducing the change in the rotation angle of the blade assembly 13 caused by the wind flow.

[0038] The working principle of the vertical PP blinds of the present application is as follows: the frame of the blinds is formed by setting side frames 10, top frame 11 and bottom frame 12, and screws 14 are provided to facilitate installation and disassembly and transportation. The blade assembly 13 is movably arranged between the top frame 11 and the bottom frame 12, and a transmission unit 19 is provided in the cavity of the bottom frame 12. The bottom rotating shaft 17 is fixed in the cavity of the bottom frame 12 and penetrates a gear 18. The rack 20 is movably engaged with the gear 18. During the movement of the rack 20, the gear 18 drives the bottom rotating shaft 17 and the blade body 15 to rotate synchronously. A paddle 25 is fixedly connected to the bottom end of the connecting slider 23, and a limiting card 26 is fixedly installed on the bottom end wall of the cavity of the bottom frame 12. The top of the limiting card 26 is provided with evenly distributed rectangular grooves 27. During the movement of the paddle 25, the bottom end is engaged in the rectangular groove 27, and a "click" sound is emitted during the movement, which plays a role in limiting the pushing block 24, reducing the change in the rotation angle of the blade assembly 13 caused by the wind flow. The practicality of the device is improved through reasonable structural design.

[0039] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. Vertical PP blinds, characterized by: include: Side frames (10), the number of the side frames (10) is two, the top ends of the two side frames (10) are commonly connected to a top frame (11), and the bottom ends of the two side frames (10) are fixedly connected to a bottom frame (12); A blade assembly (13), wherein the blade assembly (13) is movably arranged between the top frame (11) and the bottom frame (12), the number of the blade assemblies (13) is multiple, the blade assembly (13) and the side frame (10) are in a mutually parallel state, and the blade assembly (13) includes a blade body (15); A transmission unit (19), wherein the bottom frame (12) is hollow, and the transmission unit (19) is arranged in the cavity of the bottom frame (12) for adjusting the rotation angle of the blade assembly (13), and the transmission unit (19) includes a rack (20); A pushing block (24) is provided at the front end of the bottom frame (12) and is used for adjusting the movement of the rack (20).

2. The vertical PP blinds according to claim 1, characterized in that: Screws (14) are provided between the top frame (11), the bottom frame (12) and the side frame (10), and the top frame (11), the bottom frame (12) and the side frame (10) are fixedly connected via the screws (14).

3. The vertical PP blinds according to claim 1, characterized in that: The top end of the blade body (15) is fixedly connected to a top rotating shaft (16), and the bottom end of the blade body (15) is fixedly connected to a bottom rotating shaft (17). The top frame (11) is provided with a snap-fitting groove at a position corresponding to the top rotating shaft (16), and the bottom frame (12) is provided with a snap-fitting hole at a position corresponding to the bottom rotating shaft (17).

4. The vertical PP blinds according to claim 3, characterized in that: The bottom rotating shaft (17) is fixedly provided with a gear (18) in the cavity of the bottom frame (12), and the rack (20) is movably engaged with the gear (18).

5. The vertical PP blinds according to claim 4, characterized in that: Both sides of the bottom end of the rack (20) are fixedly connected with fixed piles (21), and a guide rod (22) is fixedly installed in the cavity of the bottom frame (12). The guide rod (22) movably passes through the fixed pile (21), and the guide rod (22) and the rack (20) are in a state of being parallel to each other.

6. The vertical PP blinds according to claim 1, characterized in that: A sliding groove is provided on the front end wall of the bottom frame (12), and a connecting slider (23) is movably engaged in the sliding groove. One end of the connecting slider (23) is fixedly connected to the rack (20), and the other end of the connecting slider (23) is fixedly connected to the pushing block (24).

7. The vertical PP blinds according to claim 6, characterized in that: The bottom end of the connecting slider (23) is fixedly connected with a plectrum (25), and a limiting card plate (26) is fixedly installed on the bottom end wall surface of the bottom frame (12) cavity. The top end of the limiting card plate (26) is evenly provided with rectangular grooves (27). The limiting card plate (26) is made of plastic. The bottom end of the plectrum (25) is arc-shaped, and the bottom end of the plectrum (25) contacts the rectangular groove (27).

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