A hand-clamping-preventing door body structure

Abstract

The utility model discloses a kind of anti-pinch hand door body structures, including protection mechanism and lock mechanism, the protection mechanism includes door frame and switch door, the switch door is connected with door frame movably by hinge, lock mechanism, the lock mechanism includes the slot opening in the top of the door frame, the electric push rod of the slot inner bottom surface solid connection with cylinder body, the insert of the movable end solid connection with the electric push rod, two infrared beam emitters embedded in the inner top of the door frame, top cover buckling in the slot inside.The utility model, switch door closing process, infrared beam emitter detects hinge area in real time, when it detects finger and so on object, will pass this signal to external PLC, then external PLC controls electric push rod movable end contraction, makes insert block before switch door or insert slot, to avoid switch door close dead, effectively prevent pinching situation, by mechanical blocking mode, realize long life purpose.

Description

Technical Field

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

[0002] Doors and windows were originally used as partitions, but now they are no longer just used for ordinary partitions. While fulfilling the function of partitioning, modern doors and windows have added many functions, such as anti-theft and anti-pinch.

[0003] Traditional door anti-pinch designs mainly rely on soft materials such as air cushions or sealing strips. Although this design can effectively buffer the pinching force through material deformation in the early stages, its protective effect is difficult to last. Due to the repeated squeezing and friction from frequent opening and closing of the door, the material will inevitably undergo permanent deformation, thinning, and elasticity loss (i.e., "hardening"), causing the anti-pinch function to gradually decline until it is completely lost, resulting in a limited service life. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] An anti-pinch door structure includes a protective mechanism and a locking mechanism. The protective mechanism includes a door frame and a switch door, the switch door being movably connected to the door frame via hinges. The locking mechanism includes a slot formed at the top of the door frame, an electric push rod whose cylinder body is fixedly connected to the bottom surface of the slot, a plug fixedly connected to the movable end of the electric push rod, two infrared beam emitters embedded in the top surface of the door frame, a top cover fastened to the inside of the slot, and a slot formed at the top of the switch door and suitable for plug insertion.

[0007] By adopting the above technical solution, during the opening and closing process of the door, the infrared beam emitter detects the hinge area in real time. When it detects an object such as a finger, it transmits this signal to the external PLC. Then, the external PLC controls the movable end of the electric push rod to retract, so that the plug-in blocks the front of the door or inserts into the slot, thereby preventing the door from closing completely and effectively eliminating the possibility of pinching. The purpose of long service life is achieved through mechanical blocking.

[0008] In a preferred embodiment, the present invention can be further configured as follows: the plug consists of a horizontal plate, a left plug, a right plug, and a plug rod. The horizontal plate is attached to the bottom of the top cover. The left and right plugs are located on both sides of the electric push rod, and both are fixedly connected to the bottom of the horizontal plate. The left plug is movably inserted into the slot, and the plug rod is fixedly connected to the bottom end of the right plug. The right plug and the plug rod are slidably embedded inside the door frame.

[0009] In a preferred embodiment, the present invention can be further configured such that the plug is made of a metal material and the top cover is made of a plastic material.

[0010] In a preferred embodiment, this utility model can be further configured as follows: two infrared beam emitters are connected in series, and both the electric push rod and the infrared beam emitters are electrically connected to an external PLC.

[0011] In a preferred embodiment, the present invention can be further configured such that the top of the top cover is flush with the top of the door frame, and the top of the top cover is provided as a corrugated surface.

[0012] In a preferred embodiment, the present invention can be further configured such that a sealing gasket is fixedly connected to one side of the door, and the sealing gasket is interference-fitted with one side wall of the door frame.

[0013] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0014] In this invention, during the opening and closing process of the door, the infrared beam emitter detects the hinge area in real time. When it detects an object such as a finger, it transmits this signal to the external PLC. Then, the external PLC controls the movable end of the electric push rod to retract, so that the plug-in blocks the front of the door or inserts into the slot, thereby preventing the door from closing completely and effectively eliminating the possibility of pinching. The mechanical blocking method achieves the purpose of long service life. Attached Figure Description

[0015] Figure 1 This is a front view of the overall structure of this utility model;

[0016] Figure 2 This is a three-dimensional view of the overall structure of the door of this utility model after it is opened;

[0017] Figure 3 This is a schematic diagram of the protective mechanism of this utility model;

[0018] Figure 4 This is a schematic diagram of the locking mechanism of this utility model;

[0019] Figure 5 This is a three-dimensional view of the plug-in of this utility model.

[0020] Figure label:

[0021] 100. Protective mechanism; 110. Door frame; 120. Door opening and closing mechanism;

[0022] 200. Locking mechanism; 210. Slot; 220. Electric push rod; 230. Insert; 231. Horizontal plate; 232. Left insert block; 233. Right insert block; 234. Insert rod; 240. Infrared beam emitter; 250. Top cover; 260. Slot;

[0023] 300. Sealing gasket. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0025] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0026] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, providing an anti-pinch door structure.

[0027] Example 1:

[0028] Combination Figure 1-5 As shown, the present invention provides an anti-pinch door structure, including a protective mechanism 100 and a locking mechanism 200. The protective mechanism 100 includes a door frame 110 and an opening / closing door 120, and the opening / closing door 120 is movably connected to the door frame 110 via a hinge.

[0029] The locking mechanism 200 includes a slot 210 formed at the top of the door frame 110, an electric push rod 220 whose cylinder body is fixedly connected to the bottom surface of the slot 210, an insert 230 fixedly connected to the movable end of the electric push rod 220, two infrared beam emitters 240 embedded in the top surface of the door frame 110, a top cover 250 fastened to the inside of the slot 210, and a slot 260 formed at the top of the door 120 and suitable for insertion of the insert 230.

[0030] Furthermore, the plug-in 230 is composed of a horizontal plate 231, a left plug 232, a right plug 233, and a plug rod 234. The horizontal plate 231 is attached to the bottom of the top cover 250. The left plug 232 and the right plug 233 are located on both sides of the electric push rod 220, and both are fixed to the bottom of the horizontal plate 231. The left plug 232 is movably inserted into the slot 260. The plug rod 234 is fixed to the bottom end of the right plug 233. The right plug 233 and the plug rod 234 are slidably embedded inside the door frame 110. The structural design of the plug-in 230 allows it to firmly limit the opening and closing of the door 120.

[0031] Furthermore, the plug-in 230 is made of metal, and the top cover 250 is made of plastic. Using metal to make the plug-in 230 can prevent it from breaking, while the plastic top cover 250 makes it convenient for users to open the top cover 250 and then inspect the components inside the slot 210.

[0032] Furthermore, the two infrared beam emitters 240 are connected in series, and both the electric push rod 220 and the infrared beam emitter 240 are electrically connected to an external PLC. This structural design provides conditions for intelligent prevention of pinching injuries.

[0033] Example 2:

[0034] Combination Figure 2 As shown, based on Embodiment 1, the top of the top cover 250 is flush with the top of the door frame 110, and the top of the top cover 250 is set as a corrugated surface. The structural design of the top cover 250 further improves the ease of disassembling the top cover 250.

[0035] Example 3:

[0036] Combination Figure 1-2 As shown, in the above embodiment, a sealing gasket 300 is fixedly connected to one side of the switch door 120. The sealing gasket 300 is interference-fitted with one side wall of the door frame 110. The sealing gasket 300 can ensure the sealing between the switch door 120 and the door frame 110.

[0037] The working principle and usage process of this utility model are as follows: When this device is put into actual use, with the door 120 open, a clamping space is formed at the hinge. Then, two infrared beam emitters 240 work together to detect the clamping space area. When an object such as a child's finger is present, this information is transmitted to the external PLC. When the external PLC calculates a safety hazard based on its preset algorithm, it controls the movable end of the electric push rod 220 to retract, and then the plug 230 moves downward to block the front of the door 120, preventing the door 120 from suddenly closing due to external forces such as wind, thereby avoiding pinching injuries. In addition, when the door 120 is closed manually, if an object such as a child's finger is present in the clamping space area, the electric push rod 220 will control the plug 230 to insert into the slot 260, thereby fixing the door 120 that is about to be closed, further preventing pinching injuries.

[0038] Although embodiments of the present invention have been shown and described, those skilled in the art will understand 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 claims and their equivalents.

Claims

1. A door structure for preventing hand pinching, characterized in that, include: A protective mechanism (100) includes a door frame (110) and a switch door (120), wherein the switch door (120) is movably connected to the door frame (110) via a hinge; The locking mechanism (200) includes a slot (210) opened on the top of the door frame (110), an electric push rod (220) whose cylinder body is fixedly connected to the bottom surface of the slot (210), a plug (230) fixedly connected to the movable end of the electric push rod (220), two infrared beam emitters (240) embedded in the top surface of the door frame (110), a top cover (250) fastened to the inside of the slot (210), and a slot (260) opened on the top of the switch door (120) and suitable for the plug (230) to be inserted.

2. The anti-pinch door structure according to claim 1, characterized in that, The plug-in (230) consists of a horizontal plate (231), a left plug (232), a right plug (233), and a plug rod (234). The horizontal plate (231) is attached to the bottom of the top cover (250). The left plug (232) and the right plug (233) are located on both sides of the electric push rod (220). Both are fixed to the bottom of the horizontal plate (231). The left plug (232) is movably inserted into the slot (260). The plug rod (234) is fixed to the bottom of the right plug (233). The right plug (233) and the plug rod (234) are slidably embedded inside the door frame (110).

3. The anti-pinch door structure according to claim 1, characterized in that, The plug (230) is made of metal, and the top cover (250) is made of plastic.

4. The anti-pinch door structure according to claim 1, characterized in that, Two infrared beam emitters (240) are connected in series, and the electric push rod (220) and the infrared beam emitters (240) are both electrically connected to an external PLC.

5. The anti-pinch door structure according to claim 1, characterized in that, The top of the top cover (250) is flush with the top of the door frame (110), and the top of the top cover (250) is corrugated.

6. The anti-pinch door structure according to claim 1, characterized in that, A sealing gasket (300) is fixedly connected to one side of the switch door (120), and the sealing gasket (300) is interference-fitted with one side wall inside the door frame (110).

Images