Shield door locking transmission device

Abstract

The utility model relates to the technical field of locking devices, and discloses a shielding door locking transmission device which comprises a curtain wall, a locking mechanism is installed on the upper side of the curtain wall, two shielding door leaves are installed on the lower portion of the locking mechanism, and anti-pinch mechanisms are arranged on the opposite sides of the two shielding door leaves. Manual unlocking mechanisms are arranged on the front side and the rear side of the lower middle portion of the curtain wall. According to the shielding door locking transmission device, the rotary knob is rotated, so that the shaft rod drives the handle rod to rotate, the movable electric connection terminal and the static electric connection terminal are separated, an external control terminal cannot supply power to the electromagnet, the electromagnet cannot magnetically attract the iron block, a shielding door leaf is manually pushed open towards the two sides, escape is convenient, and the shielding door is safe and reliable. When a passenger is clamped by the shielding door leaf, the anti-clamping plate can extrude the pressure sensor, and an electric signal is sent to the external control terminal through the pressure sensor, so that the external control terminal controls the self-locking motor to stop operating or reversely operating in time, and the passenger is prevented from being clamped by the shielding door leaf.

Description

Technical Field

[0001] The utility model relates to the technical field of locking devices, in particular to a locking transmission device for a shielding door. Background Art

[0002] The existing shield door is a double-closed shield door consisting of two door panels on the left and right. It is usually locked and unlocked by a locking mechanism designed separately for each door. The subway environment has special safety requirements. After the movable door is closed, the locking mechanism can prevent the door from being opened by external force; when the movable door is opened and in normal operation mode, the door lock of the movable door can be automatically unlocked; in emergency operation mode, the platform staff or passengers can manually open the movable door to unlock it. The current shield door uses infrared sensors for anti-pinch detection, which is prone to wrong judgments, resulting in entrapment of passengers. Utility Model Content

[0003] The main purpose of the utility model is to provide a locking transmission device for a shielding door, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the utility model is: a locking transmission device for a shielding door, comprising a locking mechanism installed on the upper side of a curtain wall, two shielding door leaves are installed at the lower part of the locking mechanism, an anti-pinch mechanism is arranged on the opposite side of the two shielding door leaves, and a manual unlocking mechanism is arranged on the front and rear sides of the lower middle part of the curtain wall;

[0005] The locking mechanism includes a support plate, a limit rod, a two-way threaded screw, a self-locking motor, a traction block, a traction assembly, a slider and a slide rail, one side of the support plate is fixedly connected to the left and right sides of the upper part of the curtain wall, the left and right ends of the limit rod are fixedly connected to the upper part of the opposite side of the support plate, the left and right ends of the two-way threaded screw are rotatably connected to the lower part of the opposite side of the support plate, the self-locking motor is installed on the outside of one of the support plates, the output end of the self-locking motor passes through the support plate and is fixedly connected to one end of the two-way threaded screw, the upper part of the traction block is slidably connected to the left and right sides of the limit rod, the lower part of the traction block is threadedly connected to the left and right sides of the two-way threaded screw, the lower part of the traction block is connected to the slider through the traction assembly, the lower part of the slider is fixedly connected to the upper part of the shielding door leaf, and the middle part of the slider is slidably connected to the left and right sides of the slide rail.

[0006] Preferably, the traction assembly includes two brackets, an iron block and an electromagnet, one of the brackets is installed at the lower part of the traction block, the other bracket is installed at the upper part of the slider, the outer periphery of the iron block is installed in the middle of one of the brackets, the outer periphery of the electromagnet is installed in the middle of the other bracket, and the electromagnet magnetically attracts the iron block.

[0007] Preferably, the manual unlocking mechanism includes a round box, a shaft, a handle, a dynamic electric terminal, a static electric terminal, a support block and a knob, the middle part of the shaft is rotatably connected to the middle part of the round box, the middle part of the knob is fixedly connected to the end of the shaft away from the curtain wall, one end of the handle is fixedly connected to the end of the shaft close to the curtain wall, the upper part of the dynamic electric terminal is installed at the lower part of the other end of the handle, the lower part of the static electric terminal is installed at the upper part of the support block, the support block is installed on the inner wall of the round box, the dynamic electric terminal is electrically connected to the external control terminal, and the static electric terminal is electrically connected to the electromagnet.

[0008] Preferably, a protective cover is provided on the side of the round box away from the curtain wall.

[0009] Preferably, the anti-pinch mechanism includes a cavity, a limiting column, a spring, a push rod, an anti-pinch plate and a pressure sensor, the middle part of the anti-pinch plate is connected to the side facing the shielding door leaf through the pressure sensor, the upper and lower ends of the anti-pinch plate are fixedly connected to one end of the push rod, the other end of the push rod is connected to the limiting column, the outer periphery of the limiting column is slidably connected to the inside of the cavity, the cavity is opened on the upper and lower sides of the shielding door leaf, the spring is arranged inside the cavity, the spring is arranged on the side of the limiting column away from the push rod, and the pressure sensor is electrically connected to an external control terminal.

[0010] Preferably, a rubber protective sleeve is provided on the outer periphery of the anti-pinch plate, and the rubber protective sleeve is connected to the opposite side of the shielding door leaf.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The limit rod restricts the traction block, so that when the self-locking motor is driven, the rotating bidirectional threaded screw can drive the traction blocks to move closer to or away from each other. As the electromagnet is energized, the electromagnet magnetically attracts the iron block, so that the traction assembly connects the traction block and the slider together, so that the slider drives the shielding door leaf to close or open. When an accident occurs, the knob is turned to drive the handle to rotate through the shaft rod, thereby separating the dynamic electrical terminal and the static electrical terminal, so that the external control terminal cannot supply power to the electromagnet, so that the electromagnet cannot magnetically attract the iron block, and then the shielding door leaf is manually pushed to both sides to facilitate escape. When the shielding door leaf clamps the occupant, the anti-pinch plate will squeeze the pressure sensor and send an electrical signal to the external control terminal through the pressure sensor, so that the external control terminal can promptly control the self-locking motor to stop running or reverse running to prevent the shielding door leaf from clamping the occupant. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of a locking transmission device for a shielding door of the utility model;

[0014] Figure 2This is a schematic diagram of the locking mechanism structure of a locking transmission device for a shielding door of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of an anti-pinch mechanism of a locking transmission device for a shielding door of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of a manual unlocking mechanism of a locking transmission device for a shielding door of the utility model;

[0017] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0018] In the figure: 1. curtain wall; 2. locking mechanism; 201. support plate; 202. limit rod; 203. bidirectional threaded screw; 204. self-locking motor; 205. traction block; 206. traction assembly; 2061. bracket; 2062. iron block; 2063. electromagnet; 207. slider; 208. slide rail; 3. shielding door leaf; 4. anti-pinch mechanism; 401. cavity; 402. limit column; 403. spring; 404. push rod; 405. anti-pinch plate; 406. pressure sensor; 407. rubber protective sleeve; 5. manual unlocking mechanism; 501. round box; 502. shaft rod; 503. handle; 504. dynamic electrical terminal; 505. static electrical terminal; 506. support block; 507. knob; 508. protective cover. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-5 As shown, a shielding door locking transmission device includes a locking mechanism 2 installed on the upper side of a curtain wall 1, two shielding door leaves 3 are installed at the lower part of the locking mechanism 2, an anti-pinch mechanism 4 is arranged on the opposite side of the two shielding door leaves 3, and a manual unlocking mechanism 5 is arranged on the front and rear sides of the lower middle part of the curtain wall 1.

[0021] In this embodiment, the locking mechanism 2 includes a support plate 201, a limit rod 202, a bidirectional threaded screw 203, a self-locking motor 204, a traction block 205, a traction assembly 206, a slider 207 and a slide rail 208. One side of the support plate 201 is fixedly connected to the left and right sides of the upper part of the curtain wall 1, the left and right ends of the limit rod 202 are fixedly connected to the upper part of the opposite side of the support plate 201, the left and right ends of the bidirectional threaded screw 203 are rotatably connected to the lower part of the opposite side of the support plate 201, and the self-locking motor 204 is installed on the outside of one of the support plates 201. The output end 204 penetrates the support plate 201 and is fixedly connected to one end of the bidirectional threaded screw 203. The upper part of the traction block 205 is slidably connected to the left and right sides of the limit rod 202. The lower part of the traction block 205 is threadedly connected to the left and right sides of the bidirectional threaded screw 203. The lower part of the traction block 205 is connected to the slider 207 through the traction component 206. The lower part of the slider 207 is fixedly connected to the upper part of the shielding door leaf 3. The middle part of the slider 207 is slidably connected to the left and right sides of the slide rail 208. The traction component 206 includes two brackets 2061, an iron block 2062 and an electromagnet 20 63, one of the brackets 2061 is installed at the lower part of the traction block 205, the other bracket 2061 is installed at the upper part of the slider 207, the outer periphery of the iron block 2062 is installed at the middle of one of the brackets 2061, the outer periphery of the electromagnet 2063 is installed at the middle of the other bracket 2061, the electromagnet 2063 magnetically attracts the iron block 2062, and the manual unlocking mechanism 5 includes a round box 501, a shaft 502, a handle 503, a dynamic electric terminal 504, a static electric terminal 505, a support block 506 and a knob 507, and the middle part of the shaft 502 is rotatably connected to the round box 5 01, the middle part of the knob 507 is fixedly connected to the end of the shaft 502 away from the curtain wall 1, one end of the handle 503 is fixedly connected to the end of the shaft 502 close to the curtain wall 1, the upper part of the dynamic electric terminal 504 is installed on the lower part of the other end of the handle 503, the lower part of the static electric terminal 505 is installed on the upper part of the support block 506, the support block 506 is installed on the inner wall of the round box 501, the dynamic electric terminal 504 is electrically connected to the external control terminal, the static electric terminal 505 is electrically connected to the electromagnet 2063, and a protective cover 508 is arranged on the side of the round box 501 away from the curtain wall 1.

[0022] Specifically, the limit rod 202 limits the traction block 205, so that when the self-locking motor 204 is driven, the rotating bidirectional threaded screw 203 can drive the traction block 205 to move closer to or away from each other. Since the electromagnet 2063 is energized, the electromagnet 2063 magnetically attracts the iron block 2062, so that the traction assembly 206 connects the traction block 205 and the slider 207 together, so that the slider 207 drives the shielding door leaf 3 to close or open. When an accident occurs, the knob 507 is turned to drive the handle 503 to rotate through the shaft 502, thereby separating the dynamic power terminal 504 and the static power terminal 505, so that the external control terminal cannot supply power to the electromagnet 2063, so that the electromagnet 2063 cannot magnetically attract the iron block 2062, and then the shielding door leaf 3 is manually pushed to both sides for easy escape.

[0023] In this embodiment, the anti-pinch mechanism 4 includes a cavity 401, a limiting column 402, a spring 403, a push rod 404, an anti-pinch plate 405 and a pressure sensor 406. The middle part of the anti-pinch plate 405 is connected to the opposite side of the shielding door leaf 3 through the pressure sensor 406. The upper and lower ends of the anti-pinch plate 405 are fixedly connected to one end of the push rod 404, and the other end of the push rod 404 is connected to the limiting column 402. The outer periphery of the limiting column 402 is slidably connected to the inside of the cavity 401. The cavity 401 is opened on the upper and lower sides of the shielding door leaf 3. The spring 403 is arranged inside the cavity 401. The spring 403 is arranged on the side of the limiting column 402 away from the push rod 404. The pressure sensor 406 is electrically connected to the external control terminal. The outer periphery of the anti-pinch plate 405 is provided with a rubber protective sleeve 407, and the rubber protective sleeve 407 is connected to the opposite side of the shielding door leaf 3.

[0024] Specifically, when the shielding door leaf 3 pinches the occupant, the anti-pinch plate 405 will squeeze the pressure sensor 406, and send an electrical signal to the external control terminal through the pressure sensor 406, so that the external control terminal promptly controls the self-locking motor 204 to stop running or reverse running, thereby preventing the shielding door leaf 3 from pinching the occupant.

[0025] Working principle:

[0026] The limit rod 202 limits the traction block 205, so that when the self-locking motor 204 is driven, the rotating bidirectional threaded screw 203 can drive the traction block 205 to move closer to or away from each other. Since the electromagnet 2063 is energized, the electromagnet 2063 magnetically attracts the iron block 2062, so that the traction assembly 206 connects the traction block 205 and the slider 207 together, so that the slider 207 drives the shielding door leaf 3 to close or open. When an accident occurs, the knob 507 is turned, thereby driving the handle 503 to rotate through the shaft 502, and the shielding door leaf 3 is closed or opened. This causes the moving power terminal 504 and the static power terminal 505 to be separated, so that the external control terminal cannot supply power to the electromagnet 2063, and the electromagnet 2063 cannot magnetically attract the iron block 2062, and then the shielding door leaf 3 is manually pushed to both sides to facilitate escape. When the shielding door leaf 3 clamps the occupant, the anti-pinch plate 405 will squeeze the pressure sensor 406, and send an electrical signal to the external control terminal through the pressure sensor 406, so that the external control terminal can promptly control the self-locking motor 204 to stop running or reverse running to prevent the shielding door leaf 3 from clamping the occupant.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A locking transmission device for a shielding door, characterized in that: It comprises a locking mechanism (2) installed on the upper side of a curtain wall (1), two shielding door leaves (3) are installed at the lower part of the locking mechanism (2), anti-pinch mechanisms (4) are arranged on the opposite sides of the two shielding door leaves (3), and manual unlocking mechanisms (5) are arranged on the front and rear sides of the lower middle part of the curtain wall (1); The locking mechanism (2) comprises a support plate (201), a limit rod (202), a bidirectional threaded screw (203), a self-locking motor (204), a traction block (205), a traction assembly (206), a slider (207) and a slide rail (208); one side of the support plate (201) is fixedly connected to the left and right sides of the upper part of the curtain wall (1); the left and right ends of the limit rod (202) are fixedly connected to the upper part of the opposite side of the support plate (201); the left and right ends of the bidirectional threaded screw (203) are rotatably connected to the lower part of the opposite side of the support plate (201); and the self-locking motor (204) is installed on one of the support plates. On the outside of the support plate (201), the output end of the self-locking motor (204) passes through the support plate (201) and is fixedly connected to one end of the bidirectional threaded lead screw (203); the upper portion of the traction block (205) is slidably connected to the left and right sides of the limit rod (202); the lower portion of the traction block (205) is threadedly connected to the left and right sides of the bidirectional threaded lead screw (203); the lower portion of the traction block (205) is connected to the slider (207) via a traction assembly (206); the lower portion of the slider (207) is fixedly connected to the upper portion of the shielding door leaf (3); and the middle portion of the slider (207) is slidably connected to the left and right sides of the slide rail (208); The anti-pinch mechanism (4) comprises a cavity (401), a limiting column (402), a spring (403), a push rod (404), an anti-pinch plate (405) and a pressure sensor (406); the middle portion of the anti-pinch plate (405) is connected to the side of the shielding door leaf (3) facing each other via the pressure sensor (406); the upper and lower ends of the anti-pinch plate (405) are fixedly connected to one end of the push rod (404); the other end of the push rod (404) is connected to the limiting column (402); the outer periphery of the limiting column (402) is slidably connected to the inside of the cavity (401); the cavity (401) is opened at the upper and lower sides of the shielding door leaf (3); the spring (403) is arranged in the cavity (401); the spring (403) is arranged on the side of the limiting column (402) away from the push rod (404); and the pressure sensor (406) is electrically connected to an external control terminal.

2. A locking transmission device for a shielding door according to claim 1, characterized in that: The traction assembly (206) comprises two brackets (2061), an iron block (2062) and an electromagnet (2063), wherein one of the brackets (2061) is mounted on the lower part of the traction block (205), and the other bracket (2061) is mounted on the upper part of the slider (207); the outer periphery of the iron block (2062) is mounted on the middle part of one of the brackets (2061), and the outer periphery of the electromagnet (2063) is mounted on the middle part of the other bracket (2061); and the electromagnet (2063) magnetically attracts the iron block (2062).

3. The locking transmission device for a shielding door according to claim 1, characterized in that: The manual unlocking mechanism (5) comprises a round box (501), a shaft (502), a handle (503), a dynamic electrical terminal (504), a static electrical terminal (505), a support block (506) and a knob (507), wherein the middle portion of the shaft (502) is rotatably connected to the middle portion of the round box (501), the middle portion of the knob (507) is fixedly connected to one end of the shaft (502) away from the curtain wall (1), and one end of the handle (503) is fixedly connected to the middle portion of the round box (501). Connected to one end of the shaft rod (502) close to the curtain wall (1), the upper part of the dynamic electric terminal (504) is installed on the lower part of the other end of the handle rod (503), and the lower part of the static electric terminal (505) is installed on the upper part of the support block (506), and the support block (506) is installed on the inner wall of the round box (501). The dynamic electric terminal (504) is electrically connected to the external control terminal, and the static electric terminal (505) is electrically connected to the electromagnet (2063).

4. A locking transmission device for a shielding door according to claim 3, characterized in that: A protective cover (508) is provided on the side of the round box (501) away from the curtain wall (1).

5. The locking transmission device for a shielding door according to claim 1, characterized in that: A rubber protective sleeve (407) is provided on the outer periphery of the anti-pinch plate (405), and the rubber protective sleeve (407) is connected to the opposite side of the shielding door leaf (3).

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