A door and window anti-pinch device

Abstract

The utility model relates to door and window technical field discloses a door and window anti -pinching device, including the casing, be equipped with the cavity in the casing, be equipped with the connecting barrel in the cavity, the connecting barrel is equipped with the swing arm, and the swing arm other end passes through the casing and is equipped with the anti -pinching block in the end part, is equipped with the fixed component that can drive the casing and the base body can be detachably connected together in the connecting barrel, the utility model has the advantages compared with prior art: convenient to dismantle and shift, convenient to avoid the damage, convenient to switch in the anti -pinching state and the non -anti -pinching state.

Description

Technical Field

[0001] This utility model relates to the field of door and window technology, specifically to a door and window anti-pinch device. Background Technology

[0002] In daily life, children often accidentally place their hands on the closing or hinged parts of door frames. When the door closes, their fingers can easily be pinched, posing a safety risk. To prevent this, L-shaped anti-pinch blocks are often glued to the door frame. While this can partially reduce the risk of children being pinched, because they are made entirely of rubber, they can deform under excessive pressure. If a child does not remove their hand in time, injury can still occur. Furthermore, once glued on, the device is difficult to move or adjust. Utility Model Content

[0003] The technical problem this invention aims to solve is whether the anti-pinch block can deform to adapt to compression or still cause damage; and whether it is inconvenient to move or adjust after being pasted.

[0004] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a door and window anti-pinch device, including a housing, a cavity inside the housing, a connecting cylinder inside the cavity, a swing arm sleeved on the connecting cylinder, the other end of the swing arm passing through the housing and having an anti-pinch block at the end, and a fixing component inside the connecting cylinder that can drive the housing and the base to be detachably connected together.

[0005] Furthermore, the fixing assembly includes a piston plate that is slidably sealed inside the connecting cylinder, a hinge rod that is hinged to the piston plate, a telescopic connecting seat that is provided on the housing, an eccentric wheel that is hinged in the middle of the telescopic connecting seat, a lever that is provided on the side wall of the eccentric wheel, the eccentric wheel abutting against the housing, a through hole that is provided on the eccentric wheel, and the hinge rod that passes through the housing and engages with the through hole at the other end.

[0006] Furthermore, the housing has a through hole at one end of the connecting cylinder, and an abutment plate in the middle of the through hole is provided for the eccentric wheel to abut and limit its movement.

[0007] Furthermore, the telescopic connecting seat includes sliding cylinders on both sides of the through hole, a U-shaped rod is slidably connected between the sliding cylinders, and a spring is provided between the end of the U-shaped rod and the bottom wall of the sliding cylinder.

[0008] Furthermore, the other end of the connecting cylinder is provided with a suction cup, the other end of which penetrates the housing and is provided with a sealing ring circumferentially at the penetration end.

[0009] Furthermore, the housing has a circumferential notch with a fan-shaped angle of 90 degrees.

[0010] Furthermore, the swing arm has a Z-shaped structure, with a first magnetic attractor in the middle of the swing arm, and second magnetic attractors respectively on both sides of the housing and the notch, and the second magnetic attractors can be attracted to the first magnetic attractor.

[0011] Furthermore, the swing arm is provided with a sliding column, and the outer wall of the connecting cylinder is provided with a Z-shaped groove that cooperates with the sliding column.

[0012] The advantages of this utility model compared with the prior art are as follows:

[0013] 1. The fixed components make it easy to connect the housing to door and window frames, which facilitates the positioning of the device and ensures that the anti-pinch block is maintained on the side of the door or window.

[0014] 2. The swing arm and anti-pinch block are designed to facilitate the adjustment of the position of the anti-pinch block by means of the swing arm, so that the anti-pinch block can switch and be positioned between the limit anti-pinch and non-anti-pinch states. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a door and window anti-pinch device according to this utility model. Figure 1 .

[0016] Figure 2 This is a schematic diagram of the structure of a door and window anti-pinch device according to this utility model. Figure 2 .

[0017] Figure 3 This is a top view structural schematic diagram of a door and window anti-pinch device according to this utility model.

[0018] Figure 4 yes Figure 3 A schematic diagram of the cross-sectional structure of AA.

[0019] Figure 5 yes Figure 4 A magnified structural diagram of B in the diagram.

[0020] Figure 6 This is a schematic diagram of the explosion structure of a door and window anti-pinch device according to this utility model.

[0021] Figure 7 yes Figure 6 A magnified structural diagram of C.

[0022] As shown in the figure: 1. Shell, 2. Cavity, 3. Connecting cylinder, 4. Swing arm, 5. Anti-pinch block, 6. Fixing assembly, 7. Piston plate, 8. Hinge rod, 9. Telescopic connecting seat, 10. Eccentric wheel, 11. Toggle rod, 12. Through hole, 13. Abutment plate, 14. Slide cylinder, 15. U-shaped rod, 16. Spring, 17. Sealing ring, 18. First magnetic attraction component, 19. Second magnetic attraction component, 20. Z-shaped groove, 21. Sliding column, 22. Notch. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] Combined with appendix Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 and attached Figure 5 A door and window anti-pinch device includes a housing 1, a cavity 2 inside the housing 1, a notch 22 circumferentially provided in the housing 1, the fan-shaped angle of the notch 22 being 90 degrees, a connecting cylinder 3 inside the cavity 2, a swing arm 4 sleeved on the connecting cylinder 3, the swing arm 4 having a Z-shaped structure, a sliding column 21 provided on the swing arm 4, a Z-shaped groove 20 on the outer wall of the connecting cylinder 3 cooperating with the sliding column 21, the other end of the swing arm 4 passing through the housing 1 and having an anti-pinch block 5 at the end, the anti-pinch block 5 being made of flexible rubber and having several gap holes inside.

[0025] In real life, children often mistakenly place their hands on the closing or hinged parts of door frames. When the door closes, it can easily pinch a child's fingers, posing a safety risk. To prevent this, L-shaped anti-pinch blocks are often attached to the door frame. While this can partially reduce the risk of children being pinched, because they are made entirely of rubber, they can deform under excessive pressure. If a child does not remove their hand in time, injury can still occur.

[0026] The notch 22 allows for the limitation of the swing stroke of the swing arm 4, ensuring that the swing arm 4 can only swing within a 90-degree range.

[0027] In order to enable the swing arm 4 to cooperate with the side wall of the door and window, the swing arm 4 is designed as a Z-shaped structure. When the swing arm 4 is located at one end of the notch 22 and is placed horizontally, the bottom end of the free end of the swing arm 4 extends out of the lower surface of the housing 1 and can be in contact with the inner side of the L side of the door frame. At this time, the anti-pinch block 5 is located at the hinge or closing point of the door frame, and the free end of the swing arm 4 is set as a skeleton, which can prevent the door frame from closing completely and retain buffer space for children's fingers to be protected from pinching while maintaining flexible compression.

[0028] When it is necessary to switch from the anti-pinch state to the anti-pinch release state, the swing arm 4 is driven to rotate through the cooperation of the sliding column 21 and the Z-shaped groove 20 on the connecting cylinder 3. During the rotation of the swing arm 4, it will also slide along the axis of the connecting cylinder 3 until the swing arm 4 swings 90 degrees and is in a vertical state. At this time, the lower surface of the free end of the swing arm 4 is not higher than the lower surface of the housing 1.

[0029] Combined with appendix Figure 4 and attached Figure 6 The swing arm 4 is provided with a first magnetic attractor 18 in the middle, and the housing 1 and the notch 22 are respectively provided with second magnetic attractors 19 on both sides. The second magnetic attractor 19 can be attracted to the first magnetic attractor 18.

[0030] When the swing arm 4 is in a vertical position, the second magnetic 19 can be attracted to the first magnetic 18 to position the swing arm 4.

[0031] Combined with appendix Figure 5 Appendix Figure 6 and attached Figure 7 The connecting cylinder 3 is provided with a fixing component 6 that can drive the housing 1 to be detachably connected to the base. The fixing component 6 includes a piston plate 7 that is slidably sealed in the connecting cylinder 3. A hinge rod 8 is hinged on the piston plate 7. A telescopic connecting seat 9 is provided on the housing 1. An eccentric wheel 10 is hinged in the middle of the telescopic connecting seat 9. A lever 11 is provided on the side wall of the eccentric wheel 10. A through hole 12 is provided at one end of the housing 1 and a stop plate 13 is provided in the middle of the through hole 12 for the eccentric wheel 10 to abut and limit its movement. A through hole is provided on the eccentric wheel 10. The hinge rod 8 passes through the through hole 12 and engages with the through hole at the other end.

[0032] Combined with appendix Figure 5 The telescopic connecting seat 9 includes a sliding cylinder 14 on both sides of the through hole 12, and a U-shaped rod 15 is slidably connected between the sliding cylinders 14. A spring 16 is provided between the end of the U-shaped rod 15 and the bottom wall of the sliding cylinder 14.

[0033] Combined with appendix Figure 2 The other end of the connecting cylinder 3 is provided with a suction cup, the other end of which is disposed through the housing 1, and a sealing ring 17 is provided circumferentially at the through end.

[0034] When it is necessary to fix the device to the door frame closure or hinge, firstly, the swing arm 4 can be driven to a horizontal state and the free end of the swing arm 4 can be extended to the inside of the door frame side to determine the installation position of the housing 1; then, the sealing ring 17 is made to abut against the door frame surface and the lever 11 is moved. The lever 11 drives the eccentric wheel 10 to rotate. At this time, the telescopic connecting seat 9 is stretched and stored, so that the eccentric wheel 10 is stably abutted against the abutment plate 13. The eccentric wheel 10 drives the hinge rod 8 to drive the piston plate 7 to slide out along the connecting cylinder 3, so that a negative pressure is formed in the connecting cylinder 3, which facilitates the stable attraction of the device to the door frame surface.

[0035] Since the line connecting the eccentric wheel 10 and the abutment plate 13 is collinear with the driving direction of the U-shaped rod 15 to the spring 16, the eccentric wheel 10 can maintain a stable state by driving the piston plate 7 through the hinge rod 8.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0038] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A door / window anti-pinch device, comprising a housing (1), characterized in that: The housing (1) has a cavity (2) inside, and a connecting cylinder (3) is provided inside the cavity (2). A swing arm (4) is fitted on the connecting cylinder (3). The other end of the swing arm (4) passes through the housing (1) and has an anti-pinch block (5) at the end. A fixing component (6) is provided inside the connecting cylinder (3) to drive the housing (1) and the base to be detachably connected together.

2. The anti-pinch device for doors and windows according to claim 1, characterized in that: The fixing component (6) includes a piston plate (7) that is slidably sealed inside the connecting cylinder (3). A hinge rod (8) is hinged on the piston plate (7). A telescopic connecting seat (9) is provided on the housing (1). An eccentric wheel (10) is hinged in the middle of the telescopic connecting seat (9). A lever (11) is provided on the side wall of the eccentric wheel (10). The eccentric wheel (10) abuts against the housing (1). A through hole is provided on the eccentric wheel (10). The hinge rod (8) passes through the housing (1) and engages with the through hole at the other end.

3. The anti-pinch device for doors and windows according to claim 2, characterized in that: The housing (1) has a through hole (12) at one end of the connecting cylinder (3), and an abutment plate (13) is provided in the middle of the through hole (12) for the eccentric wheel (10) to abut and limit its movement.

4. The anti-pinch device for doors and windows according to claim 2, characterized in that: The telescopic connecting seat (9) includes a sliding cylinder (14) on both sides of the through hole (12), and a U-shaped rod (15) is slidably connected between the sliding cylinders (14). A spring (16) is provided between the end of the U-shaped rod (15) and the bottom wall of the sliding cylinder (14).

5. A door and window anti-pinch device according to claim 1, characterized in that: The other end of the connecting cylinder (3) is provided with a suction cup, the other end of which is provided through the housing (1), and a sealing ring (17) is provided circumferentially at the through end.

6. A door and window anti-pinch device according to claim 1, characterized in that: The shell (1) has a notch (22) in the circumferential direction, and the fan-shaped angle of the notch (22) is 90 degrees.

7. A door and window anti-pinch device according to claim 6, characterized in that: The swing arm (4) has a Z-shaped structure. A first magnetic attractor (18) is provided in the middle of the swing arm (4). A second magnetic attractor (19) is provided on both sides of the housing (1) and the notch (22). The second magnetic attractor (19) can be attracted to the first magnetic attractor (18).

8. A door and window anti-pinch device according to claim 7, characterized in that: The swing arm (4) is provided with a sliding column (21), and the outer wall of the connecting cylinder (3) is provided with a Z-shaped groove (20) that cooperates with the sliding column (21).

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