Anti-pinch lift window

Abstract

The utility model relates to the technical field of lifting window, and disclose a kind of anti-pinch hand lifting window, including window frame, second sash is fixed in window frame inboard bottom, first sash is equipped in second sash side, and glass is installed in the inboard of first sash and second sash;Photoelectric switch is equipped on the both sides of window frame inner wall, and photoelectric switch is used to detect obstacle to prevent hand from being pinched when first sash lifts;The side of window frame is equipped with the limiting component for the dismounting of photoelectric switch;The limiting component includes two push rod and fixed frame, lock slot is opened in the bottom of fixed frame, and limiting block is fixed in the top of fixed frame;When user's hand is inserted between the photoelectric switch of the top of second sash, hand blocks photoelectric switch, photoelectric switch detects obstacle and transmits signal to controller, prevents first sash from continuing to lift, effectively avoids the occurrence of hand clamping situation, greatly improves the security of using lifting window.

Description

Technical Field

[0001] This utility model relates to the field of lifting window technology, specifically an anti-pinch lifting window. Background Technology

[0002] Electric lift windows are door and window devices that automatically raise and lower window sashes using a motor. They are widely used in residential, office, and commercial buildings, and have gradually become a common door and window choice in modern buildings due to their convenience, intelligence, and security.

[0003] Roller windows are widely used due to their unique opening mechanism and good ventilation. Traditional roller windows typically consist of a window frame and a retractable sash, which is controlled manually or electrically to open and close the window. However, in actual use, traditional roller windows pose many safety hazards, especially the frequent occurrence of hand-pinching problems. Therefore, an anti-hand-pinching roller window is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide an anti-pinch lifting window to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an anti-pinch lifting window, comprising a window frame, a second window sash fixed to the bottom inner side of the window frame, a first window sash provided on one side of the second window sash, and glass installed on the inner sides of both the first and second window sashes;

[0006] Photoelectric switches are provided on both sides of the inner wall of the window frame. The photoelectric switches are used to detect obstacles to prevent hands from being pinched when the first window sash is raised or lowered.

[0007] One side of the window frame is equipped with a limiting component for the installation and removal of the photoelectric switch;

[0008] The limiting assembly includes two push rods and a fixing frame. The bottom of the fixing frame is provided with a locking groove, and the top of the fixing frame is fixed with a limiting block.

[0009] A sliding frame is fixed to one side of the push rod. A first inclined surface is provided on the top side of the sliding frame. A locking block is adapted to the inner side of the locking groove. A second inclined surface is provided on the bottom side of the locking block.

[0010] Preferably, the inner wall of the window frame is provided with a first sliding groove, and the top of the inner wall of the first sliding groove is provided with an insertion groove.

[0011] Preferably, the fixing bracket is adapted to the inner side of the first sliding groove, and the outer side of the limiting block is adapted to the inner side of the insertion groove.

[0012] Preferably, the outer side of the sliding bracket is slidably connected to the inner side of the window frame, and a spring is connected between one side of the sliding bracket and the inner wall of the window frame.

[0013] Preferably, one side of the push rod is slidably connected to the inner side of the window frame, and the inner side of the fixing bracket is fixedly sleeved to the outer side of the photoelectric switch.

[0014] Preferably, the window frame has two second sliding grooves on its inner side. A servo motor is fixed to the top of the inner wall of the second sliding groove, a right-angle reducer is fixed to one side of the servo motor, and a lead screw is fixed to the output shaft end of the right-angle reducer.

[0015] Preferably, the lead screw is threaded to a slider on its outer side, one side of which is fixed to the top two sides of the first window sash, and the outer side of which is slidably connected to the inner side of the second groove.

[0016] Preferably, the output shaft of the servo motor is fixed to the input shaft of the right-angle reducer, and one end of the bottom of the lead screw is rotatably connected to the inner wall of the second slide groove.

[0017] A controller is installed inside the window frame, and a switch assembly is installed inside the window frame. The output terminals of the switch assembly and the photoelectric switch are both connected to the input terminal of the controller, and the output terminal of the controller is connected to the input terminal of the servo motor.

[0018] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0019] 1. When a user's hand is inserted between the photoelectric switches at the top of the second window sash, the hand blocks the photoelectric switches. The photoelectric switches detect the obstacle and transmit a signal to the controller, preventing the first window sash from continuing to rise or fall. This effectively avoids the occurrence of hand pinching and greatly improves the safety of using the lift window.

[0020] 2. When the photoelectric switch needs to be removed for maintenance, simply press the push rod to one side. Through a series of inclined planes, the locking block will move away from the locking groove. Then, pull the photoelectric switch to remove it from the inside of the first slide groove. This makes the disassembly process of the photoelectric switch simple and easy to understand, and convenient to operate. No complicated tools or professional skills are required, which greatly reduces the difficulty of maintenance and saves maintenance time and labor costs. When installing the photoelectric switch, after connecting the wires, align the limit block with the insertion groove, let the fixing bracket slide into the inside of the first slide groove, press the push rod to move the locking block downward, push the photoelectric switch to the bottom, and then release the push rod. Under the action of the spring force, the locking block will automatically insert into the locking groove to complete the installation. This quickly completes the installation of the photoelectric switch and improves the installation efficiency. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a first-view structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure at the position of the photoelectric switch of this utility model;

[0025] Figure 4 This is a schematic diagram of the lead screw connection structure of this utility model;

[0026] Figure 5 This is a schematic diagram of the locking block structure of this utility model;

[0027] Figure 6 This is a schematic diagram of the limiting block structure of this utility model.

[0028] Explanation of reference numerals in the attached drawings: 1. Window frame; 2. First window sash; 3. Glass; 4. Switch assembly; 5. Second window sash; 6. Photoelectric switch; 7. Limiting assembly; 71. Push rod; 72. First slide groove; 73. Insertion groove; 74. Limiting block; 75. Fixing bracket; 76. Lock groove; 77. Spring; 78. Locking block; 79. Sliding bracket; 710. First inclined plane; 711. Second inclined plane; 8. Controller; 9. Servo motor; 10. Right angle reducer; 11. Slider; 12. Lead screw; 13. Second slide groove. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0031] Example

[0032] Please see Figure 1-6 This utility model provides a technical solution: an anti-pinch lifting window, including a window frame 1, a drainage hole at the bottom of the outer side of the window frame 1, a second window sash 5 fixed at the bottom of the inner side of the window frame 1, a first window sash 2 on one side of the second window sash 5, glass 3 installed on the inner side of both the first window sash 2 and the second window sash 5, and sealing strips (not shown in the figure) fixed at the connection between the first window sash 2, the second window sash 5 and the window frame 1 to ensure sound insulation and dust prevention during lifting. The first window sash 2 is a movable sash, and the second window sash 5 is a fixed sash.

[0033] Photoelectric switches 6 are installed on both sides of the inner wall of the window frame 1. The photoelectric switches 6 are used to detect obstacles to prevent the first window sash 2 from pinching the hand when it is raised or lowered. When the user's hand is inserted between the photoelectric switches 6 at the top of the second window sash 5, the hand blocks the photoelectric switches 6 to prevent the first window sash 2 from pinching the hand when it is raised or lowered. After the photoelectric switches 6 detect the obstacle, they immediately send a signal to the controller 8. The controller 8 then cuts off the power to the servo motor 9 and stops the raising and lowering of the first window sash 2 to avoid the risk of pinching the hand. A limiting component 7 for the removal and installation of the photoelectric switches 6 is provided on one side of the window frame 1.

[0034] The limiting component 7 includes two push rods 71 ​​and a fixing frame 75. The bottom of the fixing frame 75 has a locking groove 76, and the top of the fixing frame 75 is fixed with a limiting block 74. A sliding frame 79 is fixed to one side of the push rod 71. The top side of the sliding frame 79 has a first inclined surface 710. The inner side of the locking groove 76 is fitted with a locking block 78. Under the limiting action of the inner wall of the first sliding groove 72, the locking block 78 can only slide up and down. The bottom side of the locking block 78 has a second inclined surface 711. The second inclined surface 711 cooperates with the first inclined surface 710. When the fixing frame 75 slides completely into the first sliding groove 72, the push rod 71 is released, the spring 77 rebounds and pushes the sliding frame 79 to reset. The locking block 78 inserts upward into the locking groove 76 under its own weight and the cooperation of the inclined surface, thus completing the locking.

[0035] The inner wall of the window frame 1 has a first sliding groove 72, and the top of the inner wall of the first sliding groove 72 has an insertion slot 73. When the photoelectric switch 6 needs to be removed for maintenance, simply press the push rod 71 to one side. The push rod 71 pushes the sliding bracket 79 to move inward, so that the second inclined surface 711 on one side of the locking block 78 slides along the first inclined surface 710, and the locking block 78 moves downward to the inside of the sliding bracket 79. At this time, the locking block 78 leaves the inside of the locking groove 76. Pull the photoelectric switch 6 to one side to make it leave the inside of the first sliding groove 72, and the photoelectric switch 6 can be maintained. The fixing bracket 75 is adapted to the first The inner side of the slide groove 72 and the outer side of the limiting block 74 are adapted to the inner side of the insertion groove 73. After the photoelectric switch 6 wires are connected, the limiting block 74 is aligned with the insertion groove 73, so that the fixing bracket 75 slides inside the first slide groove 72. Then, the push rod 71 is pressed, so that the locking block 78 moves downward. When the photoelectric switch 6 is pushed to the bottom, the pushing force of the push rod 71 is released. Under the elastic force of the spring 77, the sliding bracket 79 is pushed to one side. With the cooperation of the first inclined surface 710 and the second inclined surface 711, the locking block 78 is inserted upward into the inner side of the locking groove 76, completing the installation of the photoelectric switch 6.

[0036] The outer side of the sliding bracket 79 is slidably connected to the inner side of the window frame 1. A spring 77 is connected between one side of the sliding bracket 79 and the inner wall of the window frame 1. One side of the push rod 71 is slidably connected to the inner side of the window frame 1. The inner side of the fixing bracket 75 is fixedly sleeved to the outer side of the photoelectric switch 6.

[0037] Two second slide grooves 13 are provided on the inner side of the window frame 1. A servo motor 9 is fixed to the top of the inner wall of the second slide groove 13. The output shaft end of the servo motor 9 has a self-locking brake structure through an electrical signal. A right-angle reducer 10 is fixed to one side of the servo motor 9. A lead screw 12 is fixed to the output shaft end of the right-angle reducer 10. A slider 11 is threaded to the outside of the lead screw 12. One side of the slider 11 is fixed to the top two sides of the first window sash 2. The outside of the slider 11 is slidably connected to the inner side of the second slide groove 13. The output shaft end of the servo motor 9 is fixed to the input shaft end of the right-angle reducer 10. One bottom end of the lead screw 12 is rotatably connected to the inner wall of the second slide groove 13. A lead screw protective cover is sleeved on the outside of the lead screw 12. The lead screw protective cover is installed on the inner side of the slider 11 and the second slide groove 13 to prevent foreign objects from contacting the lead screw 12. At the same time, lubricating oil is applied to the outside of the lead screw 12 for lubrication.

[0038] A controller 8 is installed inside the window frame 1, and a switch group 4 is also installed inside the window frame 1. The output terminals of the switch group 4 and the photoelectric switch 6 are both connected to the input terminal of the controller 8. The output terminal of the controller 8 is connected to the input terminal of the servo motor 9. In daily use, pressing the switch group 4 can control the up and down movement of the first window sash 2. During normal operation, pressing the switch group 4 can control the raising and lowering of the first window sash 2. If the photoelectric switch 6 detects an obstacle, the controller 8 will respond to the anti-pinch signal first and stop the motor operation.

[0039] The photoelectric switch 6 is model M18, manufactured by Zhejiang Luoge Intelligent Technology Co., Ltd.; the right-angle reducer 10 is model ZPLF060-L1-10-S2-P2, manufactured by Suzhou Maichuan Precision Transmission Co., Ltd.; the controller 8 is model MM32SPIN423C, manufactured by Shenzhen Yingshang Microelectronics Co., Ltd.; and the servo motor 9 is model SMH40S-0010-30AAK.

[0040] Working principle: Photoelectric switches 6 are installed on both sides of the inner wall of the window frame 1. Their function is to detect obstacles to prevent the first window sash 2 from being pinched when it is raised and lowered. When the user's hand is inserted between the photoelectric switches 6 at the top of the second window sash 5, the hand will block the photoelectric switches 6. At this time, the photoelectric switches 6 detect the obstacle and transmit the signal to the controller 8, thereby preventing the first window sash 2 from continuing to rise and fall and avoiding the occurrence of pinching the hand.

[0041] When the photoelectric switch 6 needs to be removed for maintenance, press the push rod 71 to one side. The push rod 71 pushes the sliding frame 79 to move inward. Since the second inclined surface 711 on the bottom side of the locking block 78 is in contact with the first inclined surface 710 on the top side of the sliding frame 79, the second inclined surface 711 slides along the first inclined surface 710 during the movement of the sliding frame 79, so that the locking block 78 moves downward to the inside of the sliding frame 79. At this time, the locking block 78 leaves the inside of the locking groove 76. Then pull the photoelectric switch 6 to one side to make it leave the inside of the first sliding groove 72, so that the photoelectric switch 6 can be maintained.

[0042] After connecting the wires of the photoelectric switch 6, align the limiting block 74 with the insertion slot 73, and let the fixing bracket 75 slide inside the first sliding groove 72. Then press the push rod 71 to move the locking block 78 downward. When the photoelectric switch 6 is pushed to the bottom, release the pushing force of the push rod 71. Under the elastic force of the spring 77, push the sliding bracket 79 to one side. With the cooperation of the first inclined surface 710 and the second inclined surface 711, the locking block 78 is inserted upward into the inner side of the locking groove 76, completing the installation of the photoelectric switch 6.

[0043] When the servo motor 9 starts, its output shaft drives the input shaft of the right-angle reducer 10 to rotate. After being reduced by the right-angle reducer 10, the output shaft drives the lead screw 12 to rotate. Since the slider 11 is threadedly connected to the lead screw 12 and the outside of the slider 11 is restricted by the second slide groove 13 to move only up and down, the rotation of the lead screw 12 will drive the slider 11 to move up and down in the second slide groove 13, thereby driving the first window sash 2 to move up and down.

[0044] In daily use, pressing switch group 4 transmits a control signal to controller 8. Controller 8 then controls servo motor 9 to rotate forward or backward based on the received signal, thereby enabling the first window sash 2 to move up and down. When photoelectric switch 6 detects an obstacle, it transmits a signal to controller 8, which then controls servo motor 9 to stop rotating, preventing the first window sash 2 from pinching a hand.

[0045] In summary, when a user's hand is inserted between the photoelectric switches 6 at the top of the second window sash 5, the hand blocks the photoelectric switches 6. The photoelectric switches 6 detect the obstacle and transmit a signal to the controller 8, preventing the first window sash 2 from continuing to rise or fall. This effectively avoids the occurrence of hand pinching and greatly improves the safety of using the lifting window.

[0046] When the photoelectric switch 6 needs to be removed for maintenance, simply press the push rod 71 to one side. Through a series of inclined planes, the locking block 78 will move away from the locking groove 76. Then, pull the photoelectric switch 6 to remove it from the inside of the first slide groove 72. This makes the disassembly process of the photoelectric switch 6 simple and easy to understand, and convenient to operate. No complicated tools or professional skills are required, which greatly reduces the difficulty of maintenance and saves maintenance time and labor costs. When installing the photoelectric switch 6, after connecting the wires, align the limit block 74 with the insertion groove 73, so that the fixing bracket 75 slides into the inside of the first slide groove 72. Press the push rod 71 to move the locking block 78 downward. After pushing the photoelectric switch 6 to the bottom, release the push rod 71. Under the action of the spring 77, the locking block 78 will automatically insert into the locking groove 76 to complete the installation. This quickly completes the installation of the photoelectric switch 6 and improves the installation efficiency.

[0047] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A type of anti-pinch lifting window, comprising a window frame (1), characterized in that, The bottom inner side of the window frame (1) is fixed with a second window sash (5), and a first window sash (2) is provided on one side of the second window sash (5). Glass (3) is installed on the inner side of both the first window sash (2) and the second window sash (5). Photoelectric switches (6) are provided on both sides of the inner wall of the window frame (1). The photoelectric switches (6) are used to detect obstacles to prevent the first window sash (2) from pinching hands when it is raised or lowered. The window frame (1) is provided with a limiting component (7) for the installation and removal of the photoelectric switch (6) on one side. The limiting component (7) includes two push rods (71) and a fixing frame (75). The bottom of the fixing frame (75) is provided with a locking groove (76), and the top of the fixing frame (75) is fixed with a limiting block (74). A sliding frame (79) is fixed on one side of the push rod (71). A first inclined surface (710) is provided on one side of the top of the sliding frame (79). A locking block (78) is adapted to the inner side of the locking groove (76). A second inclined surface (711) is provided on one side of the bottom of the locking block (78).

2. The anti-pinch lifting window according to claim 1, characterized in that, The inner wall of the window frame (1) is provided with a first sliding groove (72), and the top of the inner wall of the first sliding groove (72) is provided with an insertion groove (73).

3. The anti-pinch lifting window according to claim 2, characterized in that, The fixing bracket (75) is adapted to the inner side of the first slide groove (72), and the outer side of the limiting block (74) is adapted to the inner side of the insertion groove (73).

4. A hand-pinch pleated window according to claim 3, characterized in that, The outer side of the sliding bracket (79) is slidably connected to the inner side of the window frame (1), and a spring (77) is connected between one side of the sliding bracket (79) and the inner wall of the window frame (1).

5. A hand-pinch vent window according to claim 4, characterized in that, The push rod (71) is slidably connected to the inner side of the window frame (1) on one side, and the fixing bracket (75) is fixedly sleeved on the outer side of the photoelectric switch (6) on the inner side.

6. A hand-pinch ventilated window according to claim 1, characterized in that, Two second slides (13) are opened on the inner side of the window frame (1). A servo motor (9) is fixed on the top of the inner wall of the second slide (13). A right-angle reducer (10) is fixed on one side of the servo motor (9). A lead screw (12) is fixed on the output shaft end of the right-angle reducer (10).

7. A hand-pinch ventilated window according to claim 6, characterized in that, The lead screw (12) is threaded to a slider (11) on the outside. One side of the slider (11) is fixed to the top two sides of the first window sash (2), and the outside of the slider (11) is slidably connected to the inside of the second groove (13).

8. A hand-pinch pleated window according to claim 7, characterized in that, The output shaft of the servo motor (9) is fixed to the input shaft of the right angle reducer (10), and one end of the bottom of the lead screw (12) is rotatably connected to the inner wall of the second slide groove (13). A controller (8) is installed inside the window frame (1), and a switch group (4) is installed inside the window frame (1). The output terminals of the switch group (4) and the photoelectric switch (6) are both connected to the input terminal of the controller (8). The output terminal of the controller (8) is connected to the input terminal of the servo motor (9).

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