CN217481059U - Transmission structure of general bathroom door system of EMUs train - Google Patents

Abstract

The utility model discloses a general bathroom door system transmission structure of EMUs train belongs to EMUs technical field, bearing mechanism, door carrying frame subassembly, belt including the door and fixing and compress tightly assembly, door plant, threshold assembly, door switch button, urgent release button and gating system down, will be located the belt of door guide rail section bar below and adjust to door guide rail section bar inside, both can practice thrift the space, can also avoid the belt to cut with the fixed bolster when moving and rub. The door opening and closing control is carried out on the whole door system by pressing the inner button and the outer button of the door, door opening and closing signals are transmitted to the door control system through the inner button and the outer button of the door, and the door control system gives door opening and closing signal instructions to a motor on the door bearing mechanism, so that the motor rotates forwards or backwards and moves with a belt to complete the movement of the door system. The belt is fixed and the pressing wheel in the pressing assembly and the tension wheel in the door bearing mechanism are used for pressing the belt, so that the phenomena of slow door opening and closing, untight door closing and the like caused by belt looseness are avoided.

Description

Transmission structure of universal toilet door system of motor train unit train

Technical Field

The utility model relates to a EMUs technical field especially relates to a general bathroom door system transmission structure of EMUs train.

Background

With the continuous development and progress of science and technology, the concern and attention degree of any service industry to special groups is gradually increased, and the rail transit industry also really pays attention to the special groups gradually in the process of continuously introducing, digesting and absorbing driven vehicle groups. When the design representative aiming at special groups on the train of the motor train unit belongs to an accessible general toilet (namely a general toilet for disabled people), the door transmission structure of the toilet is gradually improved from manual door opening and closing to electric door opening and closing. Considering the space utilization rate on the motor train unit, the toilet door is designed to be the most suitable sliding door structure from the design point of view. Therefore, the existing sliding doors of the toilet of the motor train unit are divided into manual sliding doors (used for common squatting type and sitting type toilets) and electric sliding doors (used for common toilets).

The existing electric sliding door system transmission structure of the general toilet gradually exposes a plurality of problems in the running of the train, and mainly has the following aspects:

1. the door system has large integral radian and seriously shakes in the opening and closing process, and the door plate is easy to derail if misoperation of passengers occurs;

2. the transmission part interferes with the fixed bracket, and a belt rubs and rubs the bracket in operation;

3. because of not having locking device, lead to the door system to bear the weight of the wheel and appear not hard up dislocation, lead to the door system to sink, interfere with the threshold, influence the normal function of opening the door of the door system.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current electric sliding door system transmission structure and moving unstably, the interference easily appears, the problem of jamming, and provide a EMUs general bathroom door system transmission structure of train that designs to electric sliding door, guarantee that ordinary passenger and special passenger are more smooth and easy and risk-free when using general bathroom door.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a transmission structure of a general toilet door system of a motor train unit train comprises a door bearing mechanism, a door carrying frame assembly, a door plate, a lower doorsill assembly, a mechanical locking knob and a built-in lock switch, wherein the door bearing mechanism consists of a door guide rail section bar, a built-in lock, a motor, a tension pulley, a driven wheel and a slow punch head, wherein the built-in lock, the motor, the tension pulley, the driven wheel and the slow punch head are fixedly connected to the door guide rail section bar through bolts; the door carrying frame assembly is pressed on the door guide rail profile through a bearing wheel arranged on the door carrying frame assembly, the door carrying frame assembly is in sliding fit with the door guide rail profile, meanwhile, a gap is reserved between an anti-bouncing wheel in the door carrying frame assembly and the door guide rail profile, and the door carrying frame assembly is fastened above the door panel through screws; the door plate is internally provided with a mechanical locking knob, the door plate and the lower doorsill assembly are connected in a manner that a lower chute arranged in the lower part of the door plate is in sliding connection with a long guide strip and a short guide strip in the lower doorsill assembly, a built-in lock switch is arranged on a built-in lock through screws and nuts, and a lock tongue is triggered to be jointed with or separated from the built-in lock through rotating the mechanical locking knob. A belt is clamped between the synchronous belt clamp and the pressing sheet, and when the screw is fastened, the belt clamped between the pressing sheet and the synchronous belt clamp is fixed by the pressing sheet and the synchronous belt clamp; the door switch button and the motor in the door bearing mechanism are connected to the door control system through cables with the diameter of 1.5 mm; the motor is controlled to rotate through a door control system, and the motor drives the belt to rotate synchronously along with the belt.

Further, the main part of door carrying frame subassembly is connected with carrier wheel, anticreep wheel through hexagon nut respectively to be provided with locking pawl gasket in door carrying frame subassembly and hexagon nut junction.

The general bathroom door system transmission structure of EMUs train, its characterized in that: the emergency unlocking button is connected to the door control system through a cable with the diameter of 1.5mm, and meanwhile, the emergency unlocking button is connected to a main circuit power supply end of the general toilet door system of the motor train unit train in series.

Further, the gating system has a display window.

Through the above design scheme, the utility model discloses following beneficial effect can be brought: the utility model discloses a general bathroom door system transmission structure of EMUs train through using the less door plant of radian, has practiced thrift the holistic space utilization of bathroom greatly to through the fixed and the assembly that compresses tightly of belt that updates the optimization reduce the door system and shake the momentum in service, promoted security and stability greatly. In the aspect of adjusting the belt position, the transmission belt in the position below the door guide rail section bar is adjusted to the inside of the door guide rail section bar, so that the interference of the belt and a fixed support to influence the operation of the door is avoided, the space above the vehicle body is enlarged, and great space and convenience are provided for the operation of follow-up maintenance after-sales personnel. The locking effect that newly-increased locking pawl gasket structure played is extremely effective, has guaranteed the stability of bearing wheel structure in service, can avoid appearing the phenomenon of door in service jamming, reduces the fault rate.

Drawings

The description of the drawings herein is intended to provide a further understanding of the invention, constitute a part of the application of the invention, and illustrative embodiments and descriptions thereof are provided for understanding the invention, and do not constitute an undue limitation of the invention, in the drawings:

FIG. 1 is a schematic diagram of a transmission structure of a universal toilet door system of a motor train unit train;

fig. 2 is a schematic view of a door carrying mechanism.

FIG. 3 is a schematic view of the position relationship between the door track profile and the belt in the prior art;

FIG. 4 is a schematic view of the position relationship between the door rail section and the belt of the present invention;

FIG. 5 is a partial enlarged view I of a transmission structure of a universal toilet door system for a motor train unit train;

FIG. 6 is a schematic view of the connection of the door carrying assembly to the door panel;

FIG. 7 is a second enlarged partial view of a transmission structure of a universal toilet door system for a motor train unit train;

FIG. 8 is a third partial enlarged view of a transmission structure of a universal toilet door system of a motor train unit train;

FIG. 9 is a schematic view showing a state where a pressing wheel presses a belt;

FIG. 10 is an assembly view of a door carrying assembly and a belt in a transmission structure of a universal toilet door system for a motor train unit train;

FIG. 11 is a block diagram of a door control system;

FIG. 12 is a fourth enlarged partial view of the transmission structure of the universal toilet door system for the motor train unit train;

FIG. 13 is a schematic view of a lower threshold assembly;

FIG. 14 is a schematic view of a pawl lock washer;

FIG. 15 is a schematic view of the pawl lock washer assembled with the door carrying frame assembly;

FIG. 16 is a fifth partial enlarged view of a transmission structure of a universal toilet door system of the motor train unit train;

FIG. 17 is a sixth enlarged partial view of a transmission structure of a universal toilet door system for a motor train unit train;

fig. 18 is a seventh enlarged partial view of the transmission structure of the universal toilet door system for the motor train unit train.

In the figure: 1-door bearing mechanism, 2-door carrying frame assembly, 3-belt fixing and pressing assembly, 4-door plate, 5-lower doorsill assembly, 6-door switch button, 7-emergency unlocking button, 8-door control system, 9-belt, 10-fixing support, 11-mechanical locking knob, 12-train wiring harness of motor train unit, 13-wiring unit box, 14-door mechanism main control plate, 15-hidden lock switch, 16-bolt, 101-door guide rail profile, 102-hidden lock, 103-motor, 104-tensioning wheel, 105-driven wheel, 106-buffer head, 201-pawl locking gasket, 301-pressing wheel, 302-belt fixing structure, 303-synchronous belt clamp, 304-pressing sheet, 501-short guide strip, 502-long guide bar, 601-in button, 602-out button, 801-gated system output port.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings. Obviously, the present invention is not limited by the following embodiments, and specific embodiments can be determined according to the technical solution and practical circumstances of the present invention.

As shown in fig. 1 to 18, a driving structure of a motor train unit train general-purpose toilet door system comprises a door carrying mechanism 1, a door carrying frame assembly 2, a belt fixing and pressing assembly 3, a door panel 4, a lower doorsill assembly 5, a door switch button 6, an emergency unlocking button 7 and a door control system 8, wherein the door carrying frame assembly 2 is pressed on a door guide rail profile 101 through a carrying wheel arranged on the door carrying frame assembly 2, the door carrying frame assembly 2 is in sliding fit with the door guide rail profile 101, meanwhile, a gap is reserved between an anti-bouncing wheel in the door carrying frame assembly 2 and the door guide rail profile 101, and the door carrying frame assembly 2 is fastened above the door panel 4 through screws, as shown in fig. 5 and 6; the belt fixing and pressing assembly 3 comprises a pressing wheel 301 and a belt fixing structure 302, the fixing part of the pressing wheel 301 and the belt fixing structure 302 are fixed at the upper end of the door panel 4 through screws, the pressing wheel 301 in the belt fixing and pressing assembly 3 is matched with a tension pulley 104 in the door bearing mechanism 1 to press the belt 9, so that the belt 9 is in a tightening state, the belt fixing structure 302 comprises a synchronous belt clamp 303 and a pressing sheet 304 which are connected through screws, the belt 9 is clamped between the synchronous belt clamp 303 and the pressing sheet 304, and the pressing sheet 304 and the synchronous belt clamp 303 fix the belt 9 clamped between the synchronous belt clamp 303 and the pressing sheet 304 when the screws are fastened; as shown in fig. 12, the pressing wheel 301 is fixed on the upper end of the door panel 4 by screws, and the belt 9 can be pressed by adjusting the position of the pressing wheel 301, which means that the belt 9 is clamped and fixed by two structures, which are shown in fig. 7 and 9 in detail; because the pressing sheet 304 applies pressure to the belt 9 after the screw fastening, the teeth on the synchronous belt clip 303 are meshed with the teeth of the belt 9 to fix the fixing belt 9, and the door panel 4 can move along with the belt 9 after the belt 9 is driven by the fixed door panel part, namely when the integral door mechanism is electrified, the motor 103 rotates to drive the belt 9, the belt 9 drives the door panel 4, and the door carrying frame assembly 2 above the door panel 4 moves along the door guide rail section bar 101, which is shown in fig. 5, so that transmission is realized; the belt fixing and pressing assembly 3 is connected with the door bearing mechanism 1 through the belt 9, and the belt fixing and pressing assembly 3 is fastened above the door panel 4 through M6 screws; the door panel 4 and the lower threshold assembly 5 are connected in a manner that a lower sliding groove in the lower portion of the door panel 4 is connected with a long guide strip 502 and a short guide strip 501 in the lower threshold assembly 5, the guide strips are used for ensuring the stability of the door panel 4 when the door is opened and closed, and the length is not limited because the short guide strips 501 save space and facilitate the wheelchair of the disabled to pass through. See FIG. 13; the door switch button 6, the emergency unlocking button 7 and the motor 103 in the door carrying mechanism 1 are all connected to the door control system 8 by cables with the diameter of 1.5mm, and are controlled and send execution commands through the door control system 8, and the door switch button 6 comprises an inner door button 601 and an outer door button 602, which are shown in detail in fig. 11.

As shown in fig. 2, the door carrying mechanism 1 is a component, the door carrying mechanism 1 is composed of a door guide rail profile 101, and a built-in lock 102, a motor 103, a tension pulley 104, a driven pulley 105 and a slow punch 106 which are fixedly connected to the door guide rail profile 101 through bolts, wherein the built-in lock 102 performs a door locking function, the motor 103 performs a door opening and closing function, and the tension pulley 104 performs a tightening and loosening function of the control belt 9; the driven pulley 105 functions to assist the running of the belt 9; the bumper head 106 acts as a door closing stop.

The utility model discloses there is the part of great optimization for door bearing mechanism 1 and belt are fixed and compress tightly two big modules of assembly 3 with prior art.

1. The door bearing mechanism 1 adjusts the belt 9 which is positioned below the door guide rail profile 101 in the prior art into the door guide rail profile 101, so that the distance from the door guide rail profile 101 to a toilet can be reduced, the space is saved, and the belt 9 can be prevented from being scratched and rubbed with the fixed support 10 when moving, as shown in fig. 3 and 4, the fixed support 10 is a part for fixing the door bearing mechanism 1;

as shown in fig. 11, in a normal operation state, a passenger can press the inner button 601 or the outer button 602 to control the opening and closing of the entire door system, a door opening and closing signal is transmitted to the door control system 8 from the inner button 601 or the outer button 602, and the door control system 8 gives a door opening and closing signal instruction to the motor 103 on the door bearing mechanism 1, so that the motor 103 rotates forward or backward and drives the belt gear, thereby controlling the movement of the belt 9 and completing the movement of the door system, as shown in fig. 8.

2. As shown in fig. 10, the pressing of the belt 9 is realized by using a pressing wheel 301 in the belt fixing and pressing assembly 3 and a tension wheel 104 in the door bearing mechanism 1, and the pressing wheel 301 and the tension wheel 104 press the belt 9 to control the overall slack degree of the belt 9; ensuring that the belt 9 is tight during operation of the door system. The phenomena of slow door opening and closing, untight door closing and the like caused by the loosening of the belt 9 are avoided. The material selection of the whole door system mainly considers the practicability and stability, the door guide rail section bar 101 in the door bearing mechanism 1 adopts an aluminum section bar 6063-T5, and the section of the door guide rail section bar 101 is designed into a C-shaped sliding chute. See fig. 5, the C-shaped end surface facilitates the sliding of the door carrying frame assembly 2 in the section bar. The door carrying frame assembly 2 is an important part for promoting the movement of the door panel 4, is generally made of aluminum profiles and is fixedly connected with the door panel 4 through screws; specifically, the bearing wheels are lapped on the door guide rail section bar 101, and the anti-bouncing wheels have gaps with the door guide rail section bar 101, so that the anti-falling effect is achieved. The bearing wheel and the anti-jumping wheel are both made of high-strength composite materials, polyurethane or polyformaldehyde is generally selected, the anti-jumping wheel and the bearing wheel are both installed in an eccentric shaft mode (position change of a wheel body can be achieved by rotating an eccentric shaft through a hexagonal wrench, firstly, a gap between the door plate 4 and a lower threshold can be controlled, secondly, stability and resistance of door operation can be controlled through the anti-jumping wheel with the height different from that of the bearing wheel, tightness control over the belt 9 is achieved by adjusting the front position and the rear position of a pressing wheel support, and tightness control over the belt 9 is achieved by adjusting the front position and the rear position of a tension wheel 104.

In door carrying frame assembly 2, the utility model discloses locking pawl gasket 201 has been added, see fig. 14 and fig. 15, through the nut fastening, locking pawl gasket 201 is located door carrying frame assembly 2 in the hexagon nut below, hexagon nut is used for fixed carrier wheel and anti-skip wheel, the eccentric shaft contains the screw thread on carrier wheel and the anti-skip wheel, can fasten with the hexagon nut interlock, see fig. 15, compare prior art and strengthened locking function, six pawls when adjusting door system to suitable position back use tool with locking pawl gasket 201 are buckled to the nut surface, play the lock nut effect, ensure that whole transmission structure can not appear becoming flexible in the motion, door system sinks phenomenons such as.

As shown in fig. 11, for the functional aspect, since the transmission mechanism is suitable for the electric sliding door of the disabled person general toilet, a door control system 8 is required to control the opening and closing time and the functional logic of the door. The door opening and closing time is not suitable to be overlong, the door opening time is 3-5s, and the door closing time is 4-6 s. The door should be operated at a reduced speed for the last 10% of the door opening or closing stroke. The toilet door is normally closed, and when the passenger finishes using the toilet door but does not close the toilet door, the toilet door is closed automatically after no operation is carried out for 40s in the fully open state. Because the door is a power door rather than a manual door, the function of preventing pinching needs to be considered to protect passengers and personal belongings. In the process of opening or closing the door, when an obstacle is encountered, the door motor 103 stops running, and the door control system 8 receives electric signal feedback from different motor circuits (different motor circuits refer to different parallel circuits built in the door control system 8) so as to judge whether to clamp an object. When the door control system 8 determines that an object is clamped, the door panel 4 returns to the fully closed or fully open position and repeats the door opening or closing motion. If the clamped object is judged again, the actions are repeated, if the clamped object is judged for the third time, the door moves to the fully closed or fully opened position and does not act any more, a fault code is displayed on a visual window of the door control system 8, and fault information is transmitted to an upper-layer system.

The utility model discloses a door system drive mechanism still is equipped with the urgent unlock button 7 that can supply crew member, maintenance personal to operate, operates this urgent unlock button 7 back, can open and close the door through manual, and this urgent unlock button 7 is applicable to the motor 103 trouble when the bathroom still needs the use or when needing special circumstances such as rescue. The emergency unlocking button 7 is connected in series with the power supply end of the main circuit, when the emergency unlocking button 7 is pressed down, the whole door system is powered off, and the door can be opened and closed by pulling the door handle by hands, as shown in fig. 17; the door bearing mechanism 1 is provided with a built-in lock switch 15, the built-in lock switch 15 is arranged on a built-in lock 102 through a screw and a nut, when a person closes the door panel 4 and locks the door, a spring bolt 16 is popped out from the door panel 4 to jack up an internal spring of the built-in lock switch 15, the whole process is door locking, and the built-in lock 12, the built-in lock switch 15 and the spring bolt 16 are all in the prior art; the built-in lock 102 is a component above the bolt 16 in fig. 16, the bolt 16 is a door lock component inside the door panel 4, see fig. 16, and a mechanical locking knob 11 is arranged inside the door panel 4, see fig. 17, and the mechanical locking knob 11 is operated to mechanically lock the door. Referring to fig. 16, when the toilet is locked, the built-in lock switch 15 is triggered through the bolt 16, the information of the presence/absence of people using the toilet is fed back, the presence/absence of people outside the toilet is displayed as a person state, the switch door button lamp is turned off, and the door does not act no matter the button is operated from the inside or the outside. After the mechanical locking knob 11 is operated to unlock, the door function is recovered to normal. The mechanical locking knob 11 can be unlocked by a special four-corner key held by a crew member, so that the crew member can lock and unlock the door when a special condition occurs, as shown in fig. 17, the mechanical locking knob 11 provided on the door panel 4: rotating 90 degrees from "on" to "off", see fig. 16, the bolt 16 springs out and penetrates into the built-in lock 102 to complete the door locking action.

As shown in fig. 11, the motor 103, the emergency unlocking button 7, the door inside button 601, the door outside button 602, the built-in lock switch 15 and the train harness 12 of the motor train unit are all connected with the door mechanism main control board 14 through the wiring unit box 13, the door mechanism main control board 14 and the wiring unit box 13 integrally form a door control system, wherein the motor 103 and the built-in lock 102 are fastened to the door guide rail profile 101 in the door bearing mechanism 1 through a motor bracket, a lock catch bracket assembly and a bolt, and the rest of the components are connected through a 1.5mm cable.

The utility model discloses a door control system 8 among the general bathroom door system transmission structure of EMUs train possesses the record motion state, and the record function, functions such as record trouble and below code form are directly perceived to be expressed in the lower picture display window.

Displaying the content: code 00 indicates wait; code 01 indicates the door opening process; code 02 represents a door open buffer; code 03 indicates the door closing process; code 04 represents a door closing buffer; code 05 indicates door closing pinch prevention; code 06 indicates door open pinch prevention; code 10 indicates anti-pinch is more than 3 times; code 11 indicates motor failure; code 12 indicates the fault of the code disc (when the motor 103 is driven, the coding mode is adopted for driving, the forward and reverse rotation and the start and stop of the motor 103 are controlled, when the system program has problems, the program can not normally run, a specific instruction can not be sent according to the requirements of opening and closing a door and the like to drive the motor 103 to move, the program is abnormal, namely the code disc fault is the code disc fault, the fault reason of the fault of a maintenance personnel can be reminded from the fault display port display 12, code 13 indicates the fault of the sensor (when the door is opened and closed to a specified position, an analog quantity signal needs to be provided and is judged by the program, the start and stop of the motor 103 are controlled, when the door-in-place sensor has the fault (the door-in-place sensor is arranged in a circuit in the motor, when the door is normally closed or normally opened to a full-open position, the signal is fed back to a door controller through the circuit), the system can not judge the opening and the stopping and other functions of the door can not be normally used, at the moment, a fault display port display 13 of the door controller reminds a maintainer of the fault reason, and the specific fault judgment mode judges whether the door controller moves according to the current generated when the door controller moves and a set program; code 14 indicates a gating system output port 801 fault. The door control system 8 is provided with a door control system output port 801, as shown in fig. 18, and the computer is connected with the door control system 8 through the door control system output port 801, so that fault information can be downloaded.

Claims (4)

1. A transmission structure of a universal toilet door system for motor train units and trains comprises a door bearing mechanism (1), a door carrying frame assembly (2), a door panel (4), a lower doorsill assembly (5), a mechanical locking knob (11) and a built-in lock switch (15), wherein the door bearing mechanism (1) consists of a door guide rail section bar (101), a built-in lock (102) fixedly connected to the door guide rail section bar (101) through bolts, a motor (103), a tension pulley (104), a driven pulley (105) and a slow punch (106); the door carrying frame assembly (2) is pressed on the door guide rail profile (101) through a bearing wheel arranged on the door carrying frame assembly, the door carrying frame assembly (2) is in sliding fit with the door guide rail profile (101), meanwhile, a gap is reserved between an anti-bouncing wheel in the door carrying frame assembly (2) and the door guide rail profile (101), and the door carrying frame assembly (2) is fastened above the door panel (4) through screws; the door is characterized by further comprising a belt fixing and pressing assembly (3), a door switch button (6) and a door control system (8), the belt fixing and pressing assembly (3) comprises a pressing wheel (301) and a belt fixing structure (302), the fixing part of the pressing wheel (301) and the belt fixing structure (302) are fixed at the upper end of the door panel (4) through screws, and the pressing wheel (301) in the belt fixing and pressing assembly (3) is supported by a tension pulley (104) in a supporting mechanism (1) of the pressing wheel (301) ) The belt (9) is in a tightened state by matching with the pressing belt (9), the belt fixing structure (302) consists of a synchronous belt clamp (303) and a pressing sheet (304), the synchronous belt clamp (303) and the pressing sheet (304) are connected through a screw, the belt (9) is clamped between the synchronous belt clamp (303) and the pressing sheet (304), and when the screw is fastened, the pressing sheet (304) and the synchronous belt clamp (303) fix the belt (9) clamped between the synchronous belt clamp (303) and the pressing sheet; the door switch button (6) and the motor (103) in the door bearing mechanism (1) are connected to the door control system (8) through cables with the diameter of 1.5 mm; the rotation of the motor (103) is controlled through a door control system (8), and the motor (103) drives the belt (9) to synchronously rotate along with the motor.

2. The universal lavatory door system transmission structure of motor train unit train according to claim 1, wherein: the main body of the door carrying frame assembly (2) is connected with the bearing wheel and the anti-falling wheel through the hexagon nuts respectively, and anti-loosening pawl gaskets (201) are arranged at the joint of the door carrying frame assembly (2) and the hexagon nuts.

3. The universal lavatory door system transmission structure of motor train unit train according to claim 1, wherein: the emergency unlocking device is characterized by further comprising an emergency unlocking button (7), wherein the emergency unlocking button (7) is connected to the door control system (8) through a cable with the diameter of 1.5mm, and meanwhile, the emergency unlocking button (7) is connected to a main circuit power supply end of a general toilet door system of the motor train unit train in series.

4. The universal lavatory door system transmission structure of motor train unit train according to claim 1, wherein: the gating system (8) has a display window.

Images