CN2321901Y - Driving assembly for controlling bus door open/close - Google Patents
Driving assembly for controlling bus door open/close Download PDFInfo
- Publication number
- CN2321901Y CN2321901Y CN 97222300 CN97222300U CN2321901Y CN 2321901 Y CN2321901 Y CN 2321901Y CN 97222300 CN97222300 CN 97222300 CN 97222300 U CN97222300 U CN 97222300U CN 2321901 Y CN2321901 Y CN 2321901Y
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- CN
- China
- Prior art keywords
- door
- driven unit
- vertical rod
- piston
- linear actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a driving assembly for controlling a bus door to be opened or closed, which comprises a pneumatic cylinder (24) provided with a piston (28) which can make rectilinear motion in the pneumatic cylinder (24) in a reciprocating mode, a device for transforming the rectilinear motion of the piston into the rotary motion of upright rods (18, 48) connected with a door (14), wherein the upright rod (18) is provided with a pair of spiral slot channels (44), and a radial protrusion (42) fixed on the piston (28) is engaged with the spiral slot channels (44).
Description
The utility model relates to the driven unit of control motor bus door contact interrupter, and this assembly comprises that one has therein that pneumatic linear actuator and the rectilinear motion with piston of the piston of linear reciprocating motion are converted into the device that rotatablely moves that is connected in the vertical rod on the door.
The purpose of this utility model provides a kind of improved driven unit, and it is simpler than one type of prior art syringe structure, reliability is higher.
According to the utility model, this purpose realizes by the driven unit with following characteristics.
A kind of driven unit of controlling the motor bus door contact interrupter, comprise that one has therein that pneumatic linear actuator and the rectilinear motion with piston of the piston of linear reciprocating motion are converted into the device that rotatablely moves that is connected in the vertical rod on the door, wherein, vertical rod has a pair of spiral channel, is fixed on radially projection and the engagement of described spiral channel on the piston.
A kind of driven unit of controlling the motor bus door contact interrupter, wherein it also comprises and is used to the safety device that prevents that car door from unexpectedly opening, this device comprises the stop component with the vertical rod associated working, prevents the lower position the when raised position of vertical rod with respect to closing of the door the time drops to respect to car door opening.
A kind of driven unit of controlling the motor bus door contact interrupter, wherein said safety device comprises the hydraulic actuator that has moving-member, and it can and shrink off-position and determine lockset position of coupler and locked position of coupler in the outstanding operating position that corresponds to stop component respectively.
A kind of driven unit of controlling the motor bus door contact interrupter, wherein it also comprises the device that is used for emergency opening of doors of vehicle, comprises a manually-operated bar with the control assembly associated working, it can move to moving-member its lockset position of coupler.
A kind of driven unit of controlling the motor bus door contact interrupter wherein is used for the control assembly and No. five valve synergy of emergency opening of doors of vehicle, the compressed air in the pneumatic linear actuator is discharged in the atmosphere goes.
A kind of driven unit of controlling the motor bus door contact interrupter, wherein it also comprises the safety device that prevents that people or thing from being pressed from both sides, comprise a pair of vertically spaced and with the symphyogenetic contact-making switch in vertical rod bottom.
A kind of driven unit of controlling the motor bus door contact interrupter, wherein it also comprises a jettron, this switch is communicated with the top of pneumatic linear actuator and inserts the loop that is used for contact-making switch, only is used for could allowing switch to open door again when the pressure of the upper chamber of pneumatic linear actuator is higher than preset range.
Feature and advantage of the present utility model are by becoming clearer below in conjunction with the accompanying drawing detailed description of preferred embodiments.
Fig. 1 is a phantom drawing, shows the motor bus car door that driven unit of the present utility model is housed;
Fig. 2 is the phantom drawing along the pointed part of arrow II among Fig. 1;
Fig. 3 shows that driven unit shown in Figure 2 is in the phantom drawing of different operating position;
Fig. 4 is the sectional view along IV among Fig. 3-IV line;
Fig. 5 is the phantom drawing along the pointed part of arrow V among Fig. 2;
Fig. 6 is the sectional view along VI among Fig. 2-VI line.
Consult Fig. 1, motor bus 10 has the door opening 12 of coming in and going out for the passenger, and it is connected with the door 14 by driven unit 16 gauge taps.Door 14 is connected in the rotating vertical rod 18 by a pair of arm 20.The rotation of driven unit 16 control vertical rods 18, thereby the switch of control gate 14.Vertical rod 18 also can be along its Y small distance that slides, so that door lock is lived by the knocker that is positioned on doorframe and the door in the fastening position of door.
Consult Fig. 2,3 and 4, this driven unit 16 comprises the double acting pneumatic linear actuator 24 that is supported by base 26, and having one in pneumatic linear actuator 24 inside can be along the piston 28 (Fig. 4) of its longitudinal axis 30 slips.As shown in Figure 4, piston 28 has a hole 32, and the edge is with respect to basic bar 34 slips of the axialy offset of piston 30 hermetically in this hole 32, and described basic bar 34 is used for preventing that piston 28 is in pneumatic linear actuator 24 rotations.
Consult Fig. 4 again, the packing ring 38 of piston 28 liquid sealings is fixed on the bar 36 slidably.Have a protrudent pin 40 radially in the end of bar 36, a pair of rotation running roller 42 be housed on this pin 40, described running roller 42 respectively with the sleeve 48 that is fixed on vertical rod 18 lower ends in spiral channel 44 engagements,
Fig. 2 shows the structural behavior of driven unit 16 when car door 14 is shown in an open position.In this state, piston is in the lower end of pneumatic linear actuator 24, and vertical rod 18 is supported on the pedestal 26 by sleeve 48.For closed door 14, pressed gas is conveyed into pneumatic linear actuator 24 inner carriers 28 lower chamber, thereby drive rod 36 rises.The result of bar 36 ascending motions causes sleeve 48 and vertical rod 18 to be rotated along the direction shown in the arrow among Fig. 3 50.
The rotation of vertical rod 18 makes car door 14 move to fastening position from open position.When door 14 arrives the terminal of its closing movements, when door 14 was in it with abutment that doorframe combines, vertical rod 18 still can be rotated further.In this point, the continuation of bar 36 is moved sleeve 48 and vertical rod 18 are moved upward.This will make door 14 move upward, thereby the knocker parts that are fixed on the door 14 are locked car door 14 in the fastening position of door with being fixed on the knocker parts engagements (shown in Figure 1) on the doorframe.
When the closed condition of door 14 was opened car door, it opened the door to move through compressed air is input to the upper chamber of pneumatic linear actuator 24 and bar 36 is moved downward and realizes.The first step of bar 36 motion poly-rapid in, door 14 is by keyed, so vertical rod 18 can not rotate, bar 36 moves downward sleeve 48 and vertical rod 18 are moved downward.By this way, the student fall and disengaging and doorframe on the engagement of knocker 22.This moment door-lock opening, bar 36 moves downward and causes sleeve 48 and vertical rod 18 to be rotated.
Also have a series of auxiliary safety devices according to driven unit of the present invention, it at first is safety device 54 shown in Fig. 2,3,4 and 6, it can prevent that door unexpectedly is opened, this safety device 54 comprises that one is the hydraulic actuator 56 of monolithic shape metallic object, and it is fixed on the position of pedestal 26 near sleeve 48 lower ends.As shown in Figure 4, form porose 58 on the hydraulic actuator 56 of metallic object, the stop component 60 of a setting can be cut in this hole 58, and the sphere that moves between the lockset position of coupler (not shown) of outstanding latched position and withdrawal by an energy for example shown in Figure 4 is cut.
As shown in Figure 6, comprise moving-member 62 in the hydraulic actuator 56 of metallic object, this moving-member 62 has the pivot pin 64 that moves along Y in axle sleeve 66.This moving-member 62 comprises: integrally formed thereon thin portion 68, and 70 described thin portions 68 are connected with pivot pin 64 by join domain; A piston head 72 that in cover for seat 74, slides hermetically and a push rod 76 of giving prominence to from metallic object 56.A spiral compression spring 78 suppresses moving-member 62 along arrow 80 directions.By compressed air piston head 72 is exerted pressure and to drive moving-member 62 and move along arrow 82 directions.
In state shown in Figure 6, the moving-member 62 of safety device 54 is in latched position, and being exerted pressure by spring 78 is located at the position on the left side.In this position, the pivot pin 64 of moving-member 62 is positioned at and stop component 60 corresponding positions, and it is outwards mobile in the following manner to promote these parts, promptly as shown in Figure 4, the bottom of the part conflict sleeve 48 of stop component 60, thus prevent that sleeve 48 and vertical rod 18 from moving down.In this case, door 14 keeps being locked together in its fastening position.In fact, can be clear that from Fig. 4 that both made not have compressed air in the pneumatic linear actuator below the piston 28, retainer 60 still can stop vertical rod 18 to move down.
When opening the door,, the thin portion 68 of moving-member is automatically unblanked safety device 54 with stop component 60 motions by to piston head 72 left injecting compressed airs.In this state, stop component 60 discharges and allows sleeve 48 and vertical rod 18 to move downward.
For can in case of emergency open the door (as shown in Figures 2 and 3) available bar 84 artificiallies are that safety device is unblanked.Bar 84 is connected to (see figure 6) on the push rod 76 symphyogenetic mechanical releasing parts 88 with moving-member 62 by operation drag-line 86.Releasing parts 88 also is discharged into bleed valve synergy in the atmosphere with an energy with the air in the pneumatic linear actuator 24.When therefore bar 84 was operated, moving-member 62 was discharged into the compressed air in the pneumatic linear actuator in the atmosphere simultaneously and goes towards its lockset position of coupler motion.Be used for the valve of pneumatic linear actuator emptying two (five tunnel) valves preferably, wherein cut off the incoming line of equipment and the compressed air of pneumatic linear actuator middle and upper reaches is discharged in the atmosphere and go in the first of valve, second portion at valve directly is communicated with pneumatic linear actuator with atmosphere, make its explosive decompression and can implement artificial opening door operation at once.
Fig. 2 to 5 shows second safety device 90, and it is used for protection people or thing when door is closed, and makes it not bad by folder.Device 90 comprises a support 92 that is connected with the pedestal 26 of driven unit 16 adjustably.Device 90 has the contact- making switch 94 and 96 of two mutual perpendicular separation short spaces.Contact-making switch 94 is connected with the inductive means 98 that suppresses on sleeve 48 lower external face 100 with 96.On the external surface 100 of sleeve 48, have groove 102 (Fig. 2), be used for when door is closed, making inductive means 98 location of corresponding contact- making switch 94 and 96.
Contact-making switch 94 is connected with a control loop with 96, by the compressed air of electromagnetic valve (not shown) control input pneumatic linear actuator 24.When contact- making switch 94 and 96 boths activated, then the expression door is opened or closes.On the contrary, both are in its off working state when contact-making switch, represent then that this switch is in the groove 102 corresponding with it and door is closed.
If door is run into obstruction when closing, then door is with respect to the obstruction stop motion and vertical rod 18 can not be rotated further.Therefore, bar 26 risings of piston 28 will cause sleeve 48 and vertical rod 18 to move up.When this situation occurred, the soffit 100 of sleeve 48 also rose, thereby discharged the contact-making switch 96 of bottom.At this moment, switch 94 activated, and switch 96 transfixions.This situation is judged as the abnormal conditions that door knob at closing time arrived obstacle with controlled loop and occurs.Therefore, control loop will start the upper chamber input compressed air to pneumatic linear actuator, and door is opened.
When installation system, can by adjust that support 92 comes in advance with respect to the position of pedestal 26 or hysteresis switch 94 and 96 with the combining of groove 102, even,, also can open car door effectively such as staff so that when door has almost been shut, run into very little obstruction.
No matter car is at the volley or is in dead ship condition, unexpectedly door is opened in order to prevent safety device, insert a jettron of demarcating locking at the control loop that is used for contact-making switch 94 and 96.When this switch is communicated with pneumatic linear actuator 24 upper chamber, the pneumatic linear actuator release, this moment can only be by driver's suitably control on instrument panel, and this switch could be opened door again.
Claims (7)
1. driven unit of controlling the motor bus door contact interrupter, comprise that a pneumatic linear actuator (24) and the rectilinear motion with piston that has the piston of linear reciprocating motion (28) therein is converted into the device that rotatablely moves that is connected in the vertical rod (18,48) on the door (14), it is characterized in that, vertical rod (18) has a pair of spiral channel (44), is fixed on radially projection (42) and described spiral channel (44) engagement on the piston (28).
2. driven unit as claimed in claim 1, it is characterized in that, it also comprises and is used to the safety device (54) that prevents that car door (14) from unexpectedly opening, this device (54) comprises and vertical rod (18,48) stop component of associated working (60), prevent the lower position the when raised position of vertical rod (18,48) with respect to closing of the door the time drops to respect to car door opening.
3. driven unit as claimed in claim 2, it is characterized in that, described safety device (54) comprises the hydraulic actuator (56 that has moving-member (62), 62), it can and shrink off-position and determine lockset position of coupler and locked position of coupler in the outstanding operating position that corresponds to stop component (60) respectively.
4. driven unit as claimed in claim 3, it is characterized in that, it also comprises the device that is used for emergency opening of doors of vehicle (14), comprises a manually-operated bar (84) with control assembly (88) associated working, and it can move to its lockset position of coupler with moving-member (62).
5. driven unit as claimed in claim 4 is characterized in that, is used for the control assembly (88) and No. five valve synergy of emergency opening of doors of vehicle (14), the compressed air in the pneumatic linear actuator (24) is discharged in the atmosphere goes.
6. driven unit as claimed in claim 1 is characterized in that, it also comprises the safety device (90) that prevents that people or thing from being pressed from both sides, comprise a pair of vertically spaced and with the symphyogenetic contact-making switch in vertical rod (18,48) bottom (100) (94,96).
7. drive unit as claimed in claim 6, it is characterized in that, it also comprises a jettron, this switch is communicated with the top of pneumatic linear actuator (24) and inserts the loop that is used for contact-making switch (94,96), only is used for could allowing switch (94,96) to open door again when the pressure of the upper chamber of pneumatic linear actuator (24) is higher than preset range.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR7602090U BR7602090U (en) | 1996-10-01 | 1996-10-01 | Actuator group to control the opening and closing of a bus door |
| BRMU7602090 | 1996-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2321901Y true CN2321901Y (en) | 1999-06-02 |
Family
ID=4000000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97222300 Expired - Fee Related CN2321901Y (en) | 1996-10-01 | 1997-09-30 | Driving assembly for controlling bus door open/close |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2321901Y (en) |
| BR (1) | BR7602090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410565C (en) * | 2005-11-29 | 2008-08-13 | 重庆海扶(Hifu)技术有限公司 | Rotating device and linear, rotating two-motion system containing same |
| TWI577625B (en) * | 2013-11-15 | 2017-04-11 | 富智康（香港）有限公司 | Suction head device |
-
1996
- 1996-10-01 BR BR7602090U patent/BR7602090U/en not_active IP Right Cessation
-
1997
- 1997-09-30 CN CN 97222300 patent/CN2321901Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410565C (en) * | 2005-11-29 | 2008-08-13 | 重庆海扶(Hifu)技术有限公司 | Rotating device and linear, rotating two-motion system containing same |
| TWI577625B (en) * | 2013-11-15 | 2017-04-11 | 富智康（香港）有限公司 | Suction head device |
Also Published As
| Publication number | Publication date |
|---|---|
| BR7602090U (en) | 1998-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |