CN108979416B - Double-opening sliding plug door system - Google Patents
Double-opening sliding plug door system Download PDFInfo
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- CN108979416B CN108979416B CN201811009680.8A CN201811009680A CN108979416B CN 108979416 B CN108979416 B CN 108979416B CN 201811009680 A CN201811009680 A CN 201811009680A CN 108979416 B CN108979416 B CN 108979416B
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- synchronous belt
- cylinder
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- 230000003287 optical effect Effects 0.000 claims abstract description 106
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000001360 synchronised effect Effects 0.000 claims description 62
- 230000007704 transition Effects 0.000 claims description 35
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/047—Doors arranged at the vehicle sides characterised by the opening or closing movement
- B60J5/0477—Doors arranged at the vehicle sides characterised by the opening or closing movement with two doors opening in opposite direction
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a double-opening sliding plug door system which comprises an air cylinder, a linkage mechanism, a first door and a second door which are matched with each other, wherein a pair of optical axes are arranged above the first door and the second door, the two optical axes are relatively arranged in parallel, the first door is in sliding connection with one optical axis, the second door is in sliding connection with the other optical axis, the air cylinder is connected with the first door and is used for driving the first door to slide along the axial direction of the corresponding optical axis, and the first door and the second door are both connected with the linkage mechanism, so that the first door and the second door can move in opposite directions and move in opposite directions under the driving of the air cylinder. The first door and the second door are opened and closed by adopting the air cylinder and the pair of optical axes, so that the cost is reduced, the installation space is saved, and the applicability and the overall safety and reliability of the double-opening sliding plug door system are improved.
Description
Technical Field
The invention relates to the field of traffic equipment, in particular to a double-opening sliding plug door system.
Background
In the field of traffic equipment, sliding plug doors have high usability and are widely used. Depending on the type of power source, sliding plug doors mainly include motor drives and cylinder drives. Generally, a sliding plug door driven by an air cylinder realizes transmission through a steel wire rope, and then a linear guide rail and a sliding block are matched to realize guiding, or a single optical axis is adopted to realize guiding, so that the opening and closing processes of the sliding plug door are realized. However, the safety and reliability of the structural design cannot be guaranteed, so that the service performance is poor.
Disclosure of Invention
Based on this, it is necessary to provide a double-opening sliding-plug door system to improve the safety and reliability of use.
The utility model provides a two sliding plug door systems that open, includes cylinder, link gear, first door and the second door of mutual matching, is equipped with a pair of optical axis in the top of first door and second door, relative parallel arrangement between two optical axes, first door and one of them optical axis sliding connection, second door and another optical axis sliding connection, the cylinder is connected with first door, is used for the drive first door is along the axial slip of corresponding optical axis, first door and second door all with link gear connects, makes first door and second door can move in opposite directions and back to back under the drive of cylinder.
The above-mentioned scheme provides a two sliding plug door system, realizes the switching of first door and second door through adopting cylinder and a pair of optical axis, has realized higher performance with less cost. Specifically, the cylinder is adopted to directly drive the first door to move along the axial direction of the optical axis, so that the movement process of the first door and the second door along the axial direction of the corresponding optical axis is more reliable. Moreover, the first door and the second door are respectively guided through the two optical axes, and under the condition that the opening degree of the door is fixed, the whole span of the door is smaller, so that the installation space is saved, and the applicability and the safety and reliability of the whole double-opening sliding-plug door system are improved.
In one embodiment, the cylinder is arranged above the optical axis, the piston rod of the cylinder is parallel to the axis of the optical axis, one end of the cylinder body of the cylinder, through which the piston rod passes, is a first end, the first end faces to the side where the first door is located, and the cylinder body is correspondingly located above the second door.
In one embodiment, the linkage mechanism comprises a synchronous belt and a pair of belt pulleys for supporting the synchronous belt, the two belt pulleys respectively correspond to two ends of the optical axis, the synchronous belt is arranged between the two optical axes in parallel, the synchronous belt is divided into a first section of belt and a second section of belt by the two belt pulleys, the first section of belt is positioned above the second section of belt, the first car door is connected with the first section of belt, and the second car door is connected with the second section of belt.
In one embodiment, the dual sliding plug door system further comprises a synchronous belt adjusting unit, wherein the first section belt or the second section belt is cut off and is connected through the synchronous belt adjusting unit, and the length of the synchronous belt adjusting unit along the length direction of the synchronous belt is adjustable.
In one embodiment, the synchronous belt adjusting unit comprises a middle connecting piece, two bolt rods, two nuts, two synchronous belt fixing plates and two synchronous belt toothed plates, wherein the synchronous belt fixing plates are in one-to-one correspondence with the synchronous belt toothed plates and are oppositely arranged, two ends of the middle connecting piece are respectively provided with a perforation, one ends of the bolt rods are connected with the synchronous belt fixing plates, the other ends of the bolt rods penetrate through the perforations and are connected with the nuts, and the end parts of the truncated synchronous belt are clamped between the corresponding synchronous belt fixing plates and the synchronous belt toothed plates.
In one embodiment, the dual-plug sliding door system further comprises a left door carrying frame assembly and a right door carrying frame assembly, the first door is connected with the piston rod of the air cylinder, the linkage mechanism and the corresponding optical axis through the left door carrying frame assembly, the second door is connected with the linkage mechanism and the corresponding optical axis through the right door carrying frame assembly, the edge, close to the second door, of the first door is connected with the left door carrying frame assembly, and the edge, close to the first door, of the second door is connected with the right door carrying frame assembly.
In one embodiment, the position on the first door connected with the left portal frame component and the position on the second door connected with the right portal frame component are both provided with door connectors, the door connectors corresponding to the first door are connected with the left portal frame component, the door connectors corresponding to the second door are connected with the right portal frame component, the door connectors are provided with adjusting holes, adjusting screws used for fastening connection are installed in the adjusting holes, and the adjusting screws can move in the adjusting holes along the longitudinal direction of the first door or the second door.
In one embodiment, the dual-opening sliding plug door system further comprises a sliding plug guide rail, the two ends of the optical axis are provided with supporting frames, the optical axis, the linkage mechanism and the air cylinder are in sliding connection with the supporting frames and can synchronously move back and forth along the direction perpendicular to the first vehicle door, the sliding plug guide rail is connected with the supporting frames and is correspondingly arranged with the second vehicle door, the right door carrying frame assembly comprises a cam bearing assembly, a right synchronous belt connecting piece, a right optical axis connecting piece and a right door carrying frame, the right optical axis connecting piece is sleeved on the optical axis corresponding to the second vehicle door and is in sliding connection, the right door carrying frame is respectively connected with the right optical axis connecting piece and the second vehicle door, the right door carrying frame is connected with the linkage mechanism through the right synchronous belt connecting piece, the cam bearing assembly comprises a cam bearing and a mounting seat for supporting the cam bearing, the mounting seat is connected with the right door carrying frame, and the cam bearing is mounted in the sliding plug guide rail.
In one embodiment, the dual-opening sliding plug door system further comprises a synchronous linkage assembly and two upright post assemblies, the two upright post assemblies are respectively and correspondingly arranged with the first car door and the second car door and are in rotary connection, the synchronous linkage assembly comprises a cross rod, a connecting rod mechanism arranged at two ends of the cross rod and a transition support plate connected with the connecting rod mechanism, both ends of the optical axis and the connecting rod mechanism are connected with the transition support plate, a rolling bearing is arranged at the part, corresponding to the optical axis, of the transition support plate, the rolling bearing is located at one side, opposite to the optical axis, of the transition support plate, sliding rails are arranged on the inner side surfaces of the two support frames, the sliding rails are arranged along the direction perpendicular to the first car door, the rolling bearing is arranged in the sliding rails, the upright post assemblies are in one-to-one correspondence with the transition support plates, and the upright post assemblies are in rotary connection with the corresponding transition support plates, and are used for realizing synchronous movement of the first car door and the second car door.
In one embodiment, the stand assembly comprises a stand and a first connecting rod and a support connecting rod which are respectively arranged at two ends of the stand, the stand is supported on a frame bottom plate, a support rod is suspended at one end of the stand, which is close to the transition support plate, the first connecting rod is horizontally arranged, one end of the first connecting rod is hinged to the transition support plate, the other end of the first connecting rod is hinged to the support rod, the support connecting rod is of a bending structure, the support connecting rod is connected with one end, which is far away from the transition support plate, of the stand, a guide bearing is arranged at the other end of the support connecting rod, horizontal guide rails are respectively arranged on inner side surfaces of the first door and the second door, the guide bearing corresponding to the first door is arranged in the horizontal guide rail on the first door, and the guide bearing corresponding to the second door is arranged in the horizontal guide rail on the second door.
Drawings
Fig. 1 is a schematic structural view of a closed state of a dual sliding plug door system according to the present embodiment;
fig. 2 is a schematic structural diagram of an opened state of the dual sliding plug door system according to the present embodiment;
fig. 3 is a schematic structural view of the optical axis, the cylinder, the left portal frame assembly, the synchronous linkage assembly and other assembled states according to the embodiment;
FIG. 4 is an enlarged view of a portion of the left portal frame assembly of the present embodiment;
FIG. 5 is an enlarged view of a portion of the right portal frame assembly of the present embodiment;
fig. 6 is a schematic structural diagram of the linkage mechanism according to the present embodiment;
FIG. 7 is a schematic structural view of the pillar assembly according to the present embodiment;
fig. 8 is a schematic structural diagram of the synchronous linkage assembly according to the present embodiment.
Reference numerals illustrate:
10. a double-opening sliding plug door system, 11, a cylinder, 111, a piston rod, 112, a cylinder body, 1121, a first end, 113, a cylinder mounting plate, 12, a linkage, 121, a timing belt, 1211, a first stage belt, 1212, a second stage belt, 122, a pulley, 13, an optical axis, 131, a support structure, 14, a timing belt unit, 141, an intermediate connection member, 142, a bolt lever, 143, a nut, 144, a timing belt fixing plate, 145, a timing belt tooth plate, 15, a left portal frame assembly, 151, a piston rod connection member, 152, a left timing belt connection member, 153, a left optical axis connection member, 154, a left portal frame, 16, right portal frame assembly, 161, cam bearing assembly, 1611, cam bearing, 1612, mount, 162, right optical axis connector, 163, right portal frame, 17, stopper rail, 18, support frame, 181, slide rail, 19, synchronous linkage assembly, 191, cross bar, 192, link mechanism, 193, transition support plate, 20, first door, 21, door connector, 211, adjustment hole, 212, adjustment screw, 30, second door, 31, pillar assembly, 311, pillar, 3111, support bar, 312, first link, 313, bracket link, 3131, guide bearing, 32, horizontal rail.
Detailed Description
As shown in fig. 1 to 3, in one embodiment, there is provided a dual sliding plug door system 10, comprising a cylinder 11, a linkage 12, a first door 20 and a second door 30 matched with each other, a pair of optical axes 13 disposed above the first door 20 and the second door 30, the two optical axes 13 being disposed in parallel relative to each other, the first door 20 being slidably connected to one of the optical axes 13, the second door 30 being slidably connected to the other optical axis 13, the cylinder 11 being connected to the first door 20 for driving the first door 20 to slide in an axial direction along the corresponding optical axis 13, the first door 20 and the second door 30 being connected to the linkage 12 such that the first door 20 and the second door 30 are movable toward each other and away from each other upon driving of the cylinder 11.
The above-described solution provides a dual sliding plug door system 10 that achieves high usability at a low cost by employing a cylinder 11 and a pair of optical axes 13 to effect opening and closing of the first door 20 and the second door 30. Specifically, the cylinder 11 is adopted to directly drive the first door 20 to move along the axial direction of the optical axis 13, an intermediate transmission mechanism is not needed, and the two optical axes 13 are adopted to respectively guide the first door 20 and the second door 30, so that the manufacturing cost is reduced, meanwhile, the two optical axes 13 are adopted to respectively guide, and under the condition that the opening of the door is fixed, the whole span of the door is smaller, so that the installation space is saved, and the applicability and the whole safety and reliability of the double-opening sliding-plug door system 10 are improved.
Further, since the first door 20 and the second door 30 are guided by the respective optical axes 13, as shown in fig. 1 to 3, the support structure 131 may be provided at the middle portion of the optical axis 13 while avoiding the area where the corresponding door needs to slide, so as to further support the optical axis 13, thereby improving the stability of the guiding of the optical axis 13 as a whole.
Specifically, the first door 20 may be a left door or a right door, and the corresponding second door 30 may be a right door or a left door, which falls within the scope of the foregoing embodiments, as long as the first door 20 and the second door 30 are matched to form a pair of doors. In other words, in the above-mentioned scheme, the cylinder 11 is connected with the first door 20 to directly drive the first door 20 to move, and the linkage mechanism 12 drives the second door 30 to move correspondingly, so that the first door 20 and the second door 30 move towards each other or away from each other. The cylinder 11 can realize the linkage of the right door by directly controlling the left door, and can realize the linkage of the left door by directly controlling the right door, and both schemes belong to the range of the previous scheme.
Further, in one embodiment, as shown in fig. 3, the cylinder 11 is disposed above the optical axis 13, and the piston rod 111 of the cylinder 11 is parallel to the axis of the optical axis 13, the end of the cylinder body 112 of the cylinder 11 through which the piston rod 111 passes is a first end 1121, the first end 1121 faces the side of the first door 20, and the cylinder body 112 is correspondingly located above the second door 30.
Through the rational arrangement of the optical axis 13 and the air cylinder 11, the requirements of driving and guiding are met, and meanwhile, the whole structure is compact, and the occupied space is small. Specifically, the piston rod 111 of the cylinder 11 is disposed parallel to the optical axis 13, and the first end 1121 faces the first door 20, so that the movement of the first door 20 can be controlled more conveniently and reliably during the expansion and contraction process of the piston rod 111, and the synchronous closing and opening process of the first door 20 and the second door 30 can be realized under the action of the linkage mechanism 12.
Specifically, in one embodiment, as shown in fig. 3, a cylinder mounting plate 113 is disposed above the optical axis 13, the cylinder mounting plate 113 is disposed vertically, and the cylinder 11 is mounted on a side surface of the cylinder mounting plate 113.
Further, in one embodiment, as shown in fig. 6, the linkage 12 includes a timing belt 121 and a pair of pulleys 122 supporting the timing belt 121, the two pulleys 122 respectively correspond to two ends of the optical axis 13, the timing belt 121 is disposed in parallel between the two optical axes 13, the timing belt 121 is divided into a first section belt 1211 and a second section belt 1212 by the two pulleys 122, the first section belt 1211 is located above the second section belt 1212, the first door 20 is connected to the first section belt 1211, and the second door 30 is connected to the second section belt 1212. Alternatively, the first door 20 may be connected to the second belt 1212, and the second door 30 may be connected to the first belt 1211, so long as the first door 20 and the second door 30 are capable of moving toward and away from each other when the timing belt 121 rotates after the first door 20 and the second door 30 are connected to the timing belt 121.
In use, the second door 30 is connected to the second belt segment 1212 based on the first door 20 being connected to the first belt segment 1211, and when the cylinder 11 drives the first door 20, the first door 20 moves the first belt segment 1211, and the second door 30 connected to the second belt segment 1212 moves toward or away from the first door 20.
Further, as shown in fig. 6, in one embodiment, the dual sliding plug door system 10 further includes a timing belt adjusting unit 14, the first section belt 1211 or the second section belt 1212 is cut off, and the timing belt adjusting unit 14 is connected by the timing belt adjusting unit 14, and the length of the timing belt adjusting unit 14 along the length direction of the timing belt 121 is adjustable.
By adopting the synchronous belt adjusting unit 14, the distance between the two belt pulleys 122 is adjusted as required in the use process, and then the length of the synchronous belt adjusting unit 14 along the length direction of the synchronous belt 121 is adjusted, so that the synchronous belt 121 can adapt to the distance between the two belt pulleys 122, and the application range is enlarged.
Specifically, in one embodiment, as shown in fig. 6, the timing belt adjusting unit 14 includes an intermediate connecting member 141, two bolt rods 142, two nuts 143, two timing belt fixing plates 144, and two timing belt toothed plates 145, the timing belt fixing plates 144 are in one-to-one correspondence with the timing belt toothed plates 145 and are disposed opposite to each other, two ends of the intermediate connecting member 141 are provided with perforations, one end of the bolt rod 142 is connected with the timing belt fixing plates 144, the other end of the bolt rod 142 passes through the perforations and is connected with the nuts 143, and the end of the truncated timing belt 121 is clamped between the corresponding timing belt fixing plates 144 and the timing belt toothed plates 145. The pitch between the two ends of the truncated timing belt 121 is adjusted by adjusting the depth of the nut 143 screwed into the bolt shaft 142.
And specifically, a timing belt tooth plate 145 is provided on the first belt segment 1211, the first door 20 is connected to the first belt segment 1211 through the timing belt tooth plate 145, and the second door 30 is connected to the second belt segment 1212 through the timing belt tooth plate 145 on the second belt segment 1212, so as to achieve synchronous movement of the first door 20 and the second door 30.
Further, in the foregoing embodiment, the first door 20 and the second door 30 are respectively connected to the corresponding optical axis 13 and the timing belt 121, so as to implement the opposite and backward movement processes. Specifically, in one embodiment, as shown in fig. 1, the dual plug door system 10 further includes a left door-carrying frame assembly 15 and a right door-carrying frame assembly 16, the first door 20 is connected to the piston rod 111 of the cylinder 11, the linkage 12 and the corresponding optical axis 13 through the left door-carrying frame assembly 15, the second door 30 is connected to the linkage 12 and the corresponding optical axis 13 through the right door-carrying frame assembly 16, the edge of the first door 20 adjacent to the second door 30 is connected to the left door-carrying frame assembly 15, and the edge of the second door 30 adjacent to the first door 20 is connected to the right door-carrying frame assembly 16.
By connecting the edge of the first door 20 adjacent the second door 30 to the left door carrier assembly 15, the edge of the second door 30 adjacent the first door 20 is connected to the right door carrier assembly 16, thus further reducing the span of the opening process of the first and second doors 20, 30 in the event of a given opening.
Further, in one embodiment, as shown in fig. 1, a door connector 21 is disposed at a position on the first door 20 connected to the left door carrying frame assembly 15 and a position on the second door 30 connected to the right door carrying frame assembly 16, the door connector 21 corresponding to the first door 20 is connected to the left door carrying frame assembly 15, the door connector 21 corresponding to the second door 30 is connected to the right door carrying frame assembly 16, an adjusting hole 211 is disposed on the door connector 21, an adjusting screw 212 for fastening connection is mounted in the adjusting hole 211, and the adjusting screw 212 can move in the adjusting hole 211 along the longitudinal direction of the first door 20 or the second door 30.
In the use process, the positions of the adjusting screw 212 in the adjusting hole 211 can be adjusted, so that the heights of the first door 20 and the second door 30 are adjusted, the height of the frame door frame is adapted, and the tightness and the comfort are further improved.
Further, in one embodiment, as shown in fig. 1 to 8, the dual-opening sliding plug door system 10 further includes a sliding plug rail 17, two ends of the optical axis 13 are provided with a supporting frame 18, the optical axis 13, the linkage 12 and the cylinder 11 are slidably connected to the supporting frame 18 and can move synchronously back and forth along a direction perpendicular to the first door 20, the sliding plug rail 17 is connected to the supporting frame 18 and is disposed corresponding to the second door 30, as shown in fig. 5, the right sliding plug door assembly 16 includes a cam bearing assembly 161, a right timing belt connector 162 and a right sliding plug 163, the right optical axis connector 162 is sleeved on the optical axis 13 corresponding to the second door 30 and is slidably connected to the right optical axis connector 162 and the second door 30, the right sliding plug 163 is connected to the second door 30 through the right timing belt connector 12, the cam bearing assembly includes a cam bearing 1 and a mounting seat 161 for supporting the cam shaft 161 and a mounting seat 163, the right sliding plug 163 is mounted on the cam bearing assembly 161 and the right sliding plug rail 163, and the mounting seat 161 is mounted on the cam bearing assembly 161 and the right sliding plug rail 163.
In the use process, firstly, the air cylinder 11 drives the first door 20 to move through the left door carrying frame assembly 15 and simultaneously enables the linkage mechanism 12 to move, then the linkage mechanism 12 drives the second door 30 to move through the right door carrying frame assembly 16, in the process of moving the second door 30, the cam bearing 1611 of the right door carrying frame assembly 16 slides under the guiding action of the sliding plug guide rail 17, and integrally drives the optical axis 13, the linkage mechanism 12 and the air cylinder 11 to synchronously move back and forth along the direction perpendicular to the first door 20, so that the process of opening and closing the vehicle door is realized. Specifically, a top plate for mounting the stopper rail 17 is provided above the stopper rail 17, and spans above the optical axis 13 and is indirectly connected to both ends of the optical axis 13.
Further specifically, in one embodiment, as shown in fig. 1 to 8, the dual sliding plug door system 10 further includes a synchronization linkage assembly 19 and two upright assemblies 31, where the two upright assemblies 31 are disposed corresponding to the first door 20 and the second door 30, and are rotatably connected, the synchronization linkage assembly 19 includes a cross bar 191, a link mechanism 192 disposed at two ends of the cross bar 191, and a transition support plate 193 connected to the link mechanism 192, both ends of the optical axis 13 and the link mechanism 12 are connected to the transition support plate 193, a portion of the transition support plate 193 corresponding to the optical axis 13 is provided with a rolling bearing, the rolling bearing is disposed on a side of the transition support plate 193 facing away from the optical axis 13, the inner sides of the two support frames 18 are provided with sliding rails 181, the sliding rails 181 are disposed along a direction perpendicular to the first door 20, the rolling bearing is mounted in the sliding rails 181, the upright assemblies 31 are disposed in one-to-one correspondence with the transition support plate 193, and the upright assemblies 31 are rotatably connected to the corresponding transition support plate 193, and are used for realizing the synchronization movement of the first door 20 and the second door 30.
Synchronous movement of the first door 20 and the second door 30 is achieved by the synchronous linkage assembly 19 cooperating with the linkage mechanism 12. Specifically, the two transition support plates 193 of the synchronizing linkage assembly 19 move the optical axis 13 and the linkage 12 in a direction perpendicular to the first door 20 in synchronization. When the second door 30 moves in the direction perpendicular to the first door 20 under the guiding action of the sliding plug guide 17, the optical axis 13 connected to the second door 30 also moves in the same direction, and further the optical axis 13 corresponding to the first door 20 is driven to move in the same direction under the action of the transition support plate 193, so that the movement of the whole in the direction perpendicular to the first door 20 is realized.
And specifically, when the linkage mechanism 12 includes the timing belt 121 and the pulleys 122, the two pulleys 122 are respectively connected to the two transition support plates 193, and the axis of the pulleys 122 is perpendicular to the axis of the optical axis 13. Alternatively, the linkage 12 may be a belt structure supported by a pair of rotating wheels, and tooth shapes are provided on inner sides of the belt structure, so that the left portal 154 and the right portal 163 are connected to the linkage 12 through gear racks, so as to realize synchronous movement of the first door 20 and the second door 30.
Further, in one embodiment, as shown in fig. 7, the pillar assembly 31 includes a pillar 311, and a first link 312 and a bracket link 313 respectively disposed at two ends of the pillar 311, the pillar 311 is supported on a frame floor, a support bar 3111 is suspended at one end of the pillar 311 near the transition support plate 193, the first link 312 is horizontally disposed, one end of the first link 312 is hinged with the transition support plate 193, the other end of the first link 312 is hinged with the support bar 3111, the bracket link 313 is in a bent structure and horizontally disposed, the bracket link 313 is connected with one end of the pillar 311 far from the transition support plate 193, the other end of the bracket link 313 is provided with a guide bearing 3131, the guide bearings 3131 corresponding to the first door 20 and the second door 30 are mounted in the horizontal guide rail 32 on the first door 20, and the guide bearing 3131 corresponding to the second door 30 is mounted in the horizontal guide rail 32 on the second door 30.
Through the combined action of the upright post assembly 31 and the synchronous linkage assembly 19, the upper and lower sides of the first door 20 and the second door 30 can bear force, synchronous opening or synchronous closing is realized, and the reliability of synchronous movement of the two doors is improved. Specifically, during use, the cylinder 11 imparts motive force to the movement of the first door 20, causing the first door 20 to move while the second door 30 moves toward or away from the first door 20 under the influence of the linkage 12. The cam bearing 1611 of the right portal frame assembly 16 corresponding to the second door 30 slides in the stopper rail 17, and moves back and forth perpendicular to the direction of the first door 20 under the guiding action of the stopper rail 17, where the first door 20, the second door 30, the left portal frame assembly 15, the right portal frame assembly 16, the two optical axes 13, the cylinder 11, the linkage 12, etc. are directly or indirectly connected to the transition support plate 193, and slide relative to the support frame 18 under the action of the rolling bearing on the side of the transition support plate 193. Meanwhile, the first connecting rod 312 connected with the transition support plate 193 is hinged to a support rod 3111 suspended at one end of the upright post 311, so that the transition support plate 193 drives the upright post 311 to rotate in the moving process. The rotation of the upright post 311 is transmitted to the corresponding vehicle door through the supporting connecting rod at the other end of the upright post 311, the corresponding guide bearing 3131 slides in the horizontal guide rail 32 on the corresponding vehicle door, and based on the fact that the support connecting rod 313 is of a bending structure, in the rotation process of the upright post 311, the support connecting rod 313 also gives the corresponding motion trend of the corresponding vehicle door and the plug guide rail 17, so that the upper and lower parts of the two vehicle doors can synchronously move, and the motion reliability is improved.
Specifically, in one embodiment, as shown in fig. 4, the left portal frame assembly 15 includes a piston rod connector 151, a left timing belt connector 152, a left optical axis connector 153, and a left portal frame 154, where the left optical axis connector 153 is sleeved on the optical axis 13 corresponding to the first portal frame 20 and is slidingly connected, the left portal frame 154 is connected between the left optical axis connector 153 and the first portal frame 20, the piston rod connector 151 is connected between the piston rod 111 of the cylinder 11 and the left portal frame 154, and the left timing belt connector 152 is connected between the first section belt 1211 and the left portal frame 154. The cylinder 11, by acting on the piston rod connection 151, brings about a corresponding movement of the first door 20.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The double-opening sliding plug door system is characterized by comprising a cylinder, a linkage mechanism, a first door and a second door which are matched with each other, wherein a pair of optical axes are arranged above the first door and the second door, a supporting structure is arranged in the middle of each optical axis and is used for supporting the optical axis, the two optical axes are oppositely arranged in parallel, the first door is in sliding connection with one optical axis, the second door is in sliding connection with the other optical axis, the cylinder is connected with the first door and is used for driving the first door to slide along the axial direction of the corresponding optical axis, and the first door and the second door are both connected with the linkage mechanism, so that the first door and the second door can move oppositely and back to each other under the driving of the cylinder;
the linkage mechanism comprises a synchronous belt and a pair of belt pulleys for supporting the synchronous belt, the two belt pulleys correspond to two ends of the optical axis respectively, the synchronous belt is arranged between the two optical axes in parallel, the synchronous belt is divided into a first section of belt and a second section of belt by the two belt pulleys, the first section of belt is positioned above the second section of belt, the first car door is connected with the first section of belt, and the second car door is connected with the second section of belt;
the synchronous belt adjusting unit is connected with the first section belt or the second section belt through the synchronous belt adjusting unit, and the length of the synchronous belt adjusting unit along the length direction of the synchronous belt is adjustable;
the synchronous belt adjusting unit comprises a middle connecting piece, two bolt rods, two nuts, two synchronous belt fixing plates and two synchronous belt toothed plates, wherein the synchronous belt fixing plates are in one-to-one correspondence with the synchronous belt toothed plates and are oppositely arranged, two ends of the middle connecting piece are provided with perforations, one ends of the bolt rods are connected with the synchronous belt fixing plates, the other ends of the bolt rods penetrate through the perforations and are connected with the nuts, and the truncated end parts of the synchronous belt are clamped between the corresponding synchronous belt fixing plates and the synchronous belt toothed plates.
2. The dual sliding-plug door system according to claim 1, wherein the cylinder is disposed above the optical axis, and a piston rod of the cylinder is parallel to the axis of the optical axis, an end of a cylinder body of the cylinder through which the piston rod passes is a first end, the first end faces a side where the first door is located, and the cylinder body is correspondingly located above the second door.
3. The dual opening sliding plug door system of claim 1, further comprising a left door-carrying frame assembly and a right door-carrying frame assembly, wherein the first door is connected with a piston rod of the cylinder, a linkage mechanism and a corresponding optical axis through the left door-carrying frame assembly, the second door is connected with the linkage mechanism and the corresponding optical axis through the right door-carrying frame assembly, an edge of the first door, which is close to the second door, is connected with the left door-carrying frame assembly, and an edge of the second door, which is close to the first door, is connected with the right door-carrying frame assembly.
4. The dual opening sliding plug door system according to claim 3, wherein the left portal frame assembly comprises a piston rod connecting piece, a left synchronous belt connecting piece, a left optical axis connecting piece and a left portal frame, wherein the left optical axis connecting piece is sleeved on an optical axis corresponding to the first portal frame and is in sliding connection, the left portal frame is connected between the left optical axis connecting piece and the first portal frame, the piston rod connecting piece is connected between the piston rod of the cylinder and the left portal frame, and the left synchronous belt connecting piece is connected between the first section belt and the left portal frame.
5. A double-opening sliding-plug door system according to claim 3, wherein the position on the first door connected with the left door-carrying frame assembly and the position on the second door connected with the right door-carrying frame assembly are both provided with door connectors, the door connector corresponding to the first door is connected with the left door-carrying frame assembly, the door connector corresponding to the second door is connected with the right door-carrying frame assembly, the door connector is provided with an adjusting hole, an adjusting screw for fastening connection is installed in the adjusting hole, and the adjusting screw can move along the longitudinal direction of the first door or the second door in the adjusting hole.
6. A dual opening sliding plug door system according to claim 3, further comprising a sliding plug guide rail, wherein two ends of the optical axis are provided with supporting frames, the optical axis, the linkage mechanism and the air cylinder are all in sliding connection with the supporting frames and can move back and forth synchronously along the direction perpendicular to the first vehicle door, the sliding plug guide rail is connected with the supporting frames and is correspondingly arranged with the second vehicle door, the right door carrying frame assembly comprises a cam bearing assembly, a right synchronous belt connecting piece, a right optical axis connecting piece and a right door carrying frame, the right optical axis connecting piece is sleeved on the optical axis corresponding to the second vehicle door and is in sliding connection, the right door carrying frame is respectively connected with the right optical axis connecting piece and the second vehicle door, the right door carrying frame is connected with the linkage mechanism through the right synchronous belt connecting piece, the cam bearing assembly comprises a cam bearing and a mounting seat for supporting the cam bearing, the mounting seat is connected with the right door carrying frame, and the cam bearing is mounted in the sliding plug guide rail.
7. The system of claim 6, wherein a top plate for mounting the plug guide is provided above the plug guide, and the top plate spans above the optical axis and is indirectly connected to both ends of the optical axis.
8. The system of claim 6, further comprising a synchronous linkage assembly and two column assemblies, wherein the two column assemblies are respectively arranged corresponding to the first door and the second door and are rotatably connected, the synchronous linkage assembly comprises a cross rod, a connecting rod mechanism arranged at two ends of the cross rod and a transition support plate connected with the connecting rod mechanism, two ends of the optical axis and the two ends of the linkage mechanism are connected with the transition support plate, a rolling bearing is arranged at a part, corresponding to the optical axis, of the transition support plate, the rolling bearing is positioned at one side, opposite to the optical axis, of the transition support plate, sliding rails are arranged on inner side surfaces of the two support frames, the sliding rails are arranged along a direction perpendicular to the first door, the rolling bearing is arranged in the sliding rails, the column assemblies are arranged in one-to-one correspondence with the transition support plates, and the column assemblies are rotatably connected with the corresponding transition support plates, so that synchronous movement of the first door and the second door is realized.
9. The system of claim 8, wherein the linkage is a belt-like structure supported by a pair of rotating wheels, and a tooth form is provided on an inner side of the belt-like structure.
10. The double-opening sliding plug door system according to claim 8, wherein the upright post assembly comprises an upright post, a first connecting rod and a support connecting rod, wherein the first connecting rod and the support connecting rod are respectively arranged at two ends of the upright post, the upright post is supported on a frame bottom plate, a support rod is suspended at one end of the upright post, which is close to the transition support plate, the first connecting rod is horizontally arranged, one end of the first connecting rod is hinged with the transition support plate, the other end of the first connecting rod is hinged with the support rod, the support connecting rod is of a bending structure, the support connecting rod is connected with one end, which is far away from the transition support plate, of the upright post, the other end of the support connecting rod is provided with a guide bearing, the guide bearings corresponding to the first door and the second door are respectively arranged in the horizontal guide rails on the first door, and the guide bearing corresponding to the second door is arranged in the horizontal guide rails on the second door.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009680.8A CN108979416B (en) | 2018-08-31 | 2018-08-31 | Double-opening sliding plug door system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009680.8A CN108979416B (en) | 2018-08-31 | 2018-08-31 | Double-opening sliding plug door system |
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| CN108979416A CN108979416A (en) | 2018-12-11 |
| CN108979416B true CN108979416B (en) | 2023-12-05 |
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| CN201811009680.8A Active CN108979416B (en) | 2018-08-31 | 2018-08-31 | Double-opening sliding plug door system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110578442B (en) * | 2019-09-27 | 2023-11-17 | 厦门威迪思汽车设计服务有限公司 | Bus sliding plug door mechanism |
| CN111545684A (en) * | 2020-06-16 | 2020-08-18 | 江阴市新德建设工程有限公司 | Steel bar cutting equipment for building construction |
| CN114776156B (en) * | 2022-06-16 | 2022-10-18 | 云南昆船电子设备有限公司 | Device for preventing automatic door opening of double-opening sliding door of vehicle |
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| GB1474687A (en) * | 1973-06-07 | 1977-05-25 | Plc Eng Co Ltd | Sliding plug door gear |
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| CN108979416A (en) | 2018-12-11 |
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