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CN-224216923-U - Safety door control device

CN224216923UCN 224216923 UCN224216923 UCN 224216923UCN-224216923-U

Abstract

The utility model relates to the technical field of door control and discloses a safety door control device which comprises a controller body, wherein an optical fiber connecting pipe is arranged on the side surface of the controller body, a splicing mechanism is arranged at an interface of the optical fiber connecting pipe, the splicing mechanism comprises a circular connector fixedly arranged on the surface of the optical fiber connecting pipe, and a connecting piece is movably connected inside the circular connector. According to the safety door control device, the threaded sleeve is driven to rotate through the hexagonal block, mechanical fastening connection is realized by utilizing the self-locking characteristic of the threaded pair, the loose connection of the optical fiber connecting pipe caused by external vibration, impact or pulling is effectively resisted, the ball on the surface of the connecting piece and the inner wall of the accommodating cavity form low-friction rolling contact, the axial limiting of the limiting ring is matched, the small displacement space is reserved after the threaded sleeve is screwed, the deformation caused by installation errors or expansion and contraction can be automatically adapted, the contact area of the threads is enlarged, stress concentration is avoided, and the connection reliability is further improved.

Inventors

  • SHEN JUNQING
  • CHEN XING

Assignees

  • 施迈赛工业开关制造(上海)有限公司

Dates

Publication Date
20260508
Application Date
20250807

Claims (7)

  1. 1. The safety door control device is characterized by comprising a controller body (1), wherein an optical fiber connecting pipe (2) is arranged on the side surface of the controller body (1), a splicing mechanism (3) is arranged at an interface of the optical fiber connecting pipe (2), the splicing mechanism (3) comprises a circular connector (31) fixedly arranged on the surface of the optical fiber connecting pipe (2), and a connecting piece (34) is movably connected inside the circular connector (31); The connecting piece (34) penetrates through the side face of the round connector (31) and is fixedly provided with a hexagonal block (32), the side face of the hexagonal block (32) is fixedly provided with a thread bush (33), the end face of the thread bush (33) is provided with a chamfer end (39), and the inside of the thread bush (33) is provided with a cavity for accommodating the end part of the optical fiber adapter tube (2).
  2. 2. A safety gating device according to claim 1, wherein the circular connector (31) is internally provided with a receiving cavity (35), and the side of the circular connector (31) is provided with an annular hole of a size corresponding to the connector (34) for passing through the connector (34).
  3. 3. A safety door control device according to claim 2, characterized in that the outer surface of the connecting piece (34) is fixedly provided with a limiting ring (36) and a thickening ring (37) respectively, and the limiting ring (36) and the thickening ring (37) are both positioned in the accommodating cavity (35).
  4. 4. A safety door control according to claim 3, characterized in that the surface of the thickening ring (37) is rotatably connected with balls (38), the outer surface of the balls (38) being in movable contact with the inner wall of the receiving chamber (35).
  5. 5. A safety gating device according to claim 1, wherein the central part of the hexagonal block (32) is provided with a through hole for passing through the core of the fiber stub (2).
  6. 6. A safety gating device according to claim 1, characterized in that the axis of the thread bush (33) coincides with the axis of the fiber stub (2), and that the inner surface of the thread bush (33) is provided with a gap with the outer surface of the fiber stub (2).
  7. 7. A safety gating device according to claim 1, wherein the hexagonal block (32), the circular connector (31) and the threaded sleeve (33) are all made of low alloy wear resistant steel.

Description

Safety door control device Technical Field The utility model relates to the technical field of gating, in particular to a safety gating device. Background The safety gating refers to a safety solution for intelligently managing an entrance and exit passage through technologies such as an access control system, a sensor, a locking device and the like, and the core aims at realizing physical isolation, authority verification, state monitoring and emergency response and covering commercial buildings, industrial places, public facilities and family scenes. The traditional door control optical fiber connection mode, such as direct insertion, buckle fixation and the like, is easy to loosen under the action of external forces such as vibration, impact and the like, so that optical signal transmission is interrupted or attenuated, for example, mechanical impact generated by frequent opening and closing of a safety door is transmitted to an optical fiber interface, and the transmission effect of the optical fiber connection is affected. Disclosure of utility model In view of the shortcomings of the prior art, the present utility model provides a security gating apparatus that solves the problems mentioned in the background above. The safety door control device comprises a controller body, wherein an optical fiber connecting pipe is arranged on the side face of the controller body, a splicing mechanism is arranged at an interface of the optical fiber connecting pipe, the splicing mechanism comprises a round connector fixedly arranged on the surface of the optical fiber connecting pipe, a connecting piece is movably connected inside the round connector, a hexagonal block is fixedly arranged on the connecting piece penetrating through the side face of the round connector, a thread sleeve is fixedly arranged on the side face of the hexagonal block, a chamfer end is arranged on the end face of the thread sleeve, and a cavity for accommodating the end portion of the optical fiber connecting pipe is arranged inside the thread sleeve. Preferably, the circular connector is provided with a receiving cavity inside, and the side surface of the circular connector is provided with an annular hole which is consistent with the connecting piece in size and is used for penetrating through the connecting piece. Preferably, the outer surface of the connecting piece is fixedly provided with a limiting ring and a thickening ring respectively, and the limiting ring and the thickening ring are both positioned in the accommodating cavity. Preferably, the surface of the thickening ring is rotationally connected with a ball, and the outer surface of the ball can be movably contacted with the inner wall of the accommodating cavity. Preferably, a through hole for passing through the fiber connecting pipe core is formed in the center of the hexagonal block. Preferably, the axis of the thread sleeve coincides with the axis of the optical fiber connecting pipe, and a gap is formed between the inner surface of the thread sleeve and the outer surface of the optical fiber connecting pipe. Preferably, the hexagonal block, the round connector and the threaded sleeve are all made of low alloy wear resistant steel. Compared with the prior art, the utility model has the following beneficial effects: According to the safety door control device, the threaded sleeve is driven to rotate through the hexagonal block, mechanical fastening connection is realized by utilizing the self-locking characteristic of the threaded pair, the loose connection of the optical fiber connecting pipe caused by external vibration, impact or pulling is effectively resisted, the ball on the surface of the connecting piece and the inner wall of the accommodating cavity form low-friction rolling contact, the axial limiting of the limiting ring is matched, the small displacement space is reserved after the threaded sleeve is screwed, the deformation caused by installation errors or expansion and contraction can be automatically adapted, the contact area of the threads is enlarged, stress concentration is avoided, and the connection reliability is further improved. Drawings FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a schematic view of a split joint mechanism of the present utility model; FIG. 3 is an exploded view of a hexagonal block structure of the present utility model; FIG. 4 is a schematic view of the thickened ring structure of the present utility model. In the figure, 1, a controller body; 2, an optical fiber connecting pipe, 3, a splicing mechanism, 31, a circular connector, 32, a hexagonal block, 33, a threaded sleeve, 34, a connecting piece, 35, a containing cavity, 36, a limiting ring, 37, a thickening ring, 38, balls, 39 and a chamfer end. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which