CN209637509U - A kind of parking warning sign suitable for bus - Google Patents
A kind of parking warning sign suitable for bus Download PDFInfo
- Publication number
- CN209637509U CN209637509U CN201721616132.2U CN201721616132U CN209637509U CN 209637509 U CN209637509 U CN 209637509U CN 201721616132 U CN201721616132 U CN 201721616132U CN 209637509 U CN209637509 U CN 209637509U
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- warning sign
- parking warning
- bus
- push rod
- hole
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Abstract
The utility model discloses a kind of parking warning sign suitable for bus.The parking warning sign includes the housing for being mounted on bus exit door back upper place railroad car lateral wall inner wall, the lead screw being horizontally arranged in housing inner cavity, spinning is fixed on the push rod of feed screw nut right side, is fixed on the parking warning sign of push rod right side on lead screw, feed screw nut of the top with flange；It is fixed with slide cartridge on the bottom plate of housing, opens up through slot at the top of the ladder inner hole path section of slide cartridge, through slot is matched with the flange of feed screw nut, opens up blind hole at the top of the ladder inner hole major diameter section of slide cartridge, is equipped in blind hole through spring driven movable ligule pin；Stepped hole is offered on railroad car lateral wall, the path section of stepped hole is push rod through hole, major diameter section is return slot, is equipped with travel switch in the slot bottom groove of return slot；Chute board is fixed on the inner wall of railroad car lateral wall.The utility model can reduce the accident of passenger of getting off of wounding, and avoid scratching vehicle, guarantee the overall beautiful of vehicle.
Description
Technical field
The utility model relates to a kind of means of transportation, are more specifically a kind of parking warning signs suitable for bus.
Background technique
Existing bus all without parking warning sign, will have many security risks: since bus is every mostly
As soon as station needs to stop roadside, bus door needs to be opened and closed once, along with there are also one section for leaving from station of car door when stopping sometimes
Distance, just occupy the vehicles such as electric vehicle, bicycle walking non-motorized lane, vehicle behind it is electronic
Vehicle, bicycle slow down in time due to that can not see the opening and closing situation of bus door in advance, it is easy to which wound the passenger that gets off
Accident.
Currently, slowly occur parking warning sign on the school bus of pupil, when parking, is fitted in compartment lateral wall rear end
The school bus parking warning sign of middle position can rotate horizontally 90 degree of expansion clockwise, school bus parking warning sign energy again when Che Kaidong
90 degree of enough anticlockwise horizontal spinnings, which are withdrawn, to be fitted to outside railroad car lateral wall.School bus parking warning sign can remind vehicle below in advance
With pedestrian note that guarantee the safety that gets on and off of student.
But if directly current school bus parking warning sign is grafted directly on bus to use, still exist following
Shortcoming: since school bus parking warning sign is mounted on the middle position of railroad car lateral wall appearance surface rear end, in the open mode this
A height may touch pedestrian or cyclist, be easy to scratch other vehicles in retracted state, and due to being attached to
The overall beautiful of vehicle is directly influenced outside school bus compartment.
Summary of the invention
The purpose of this utility model exactly provides and a kind of stops suitable for bus in view of the above shortcomings of the prior art
Vehicle warning sign.When bus door is opened, the utility model is by reaching the LED in the parking warning sign outside railroad car lateral wall
Lamp flashing, buzzer sounding and parking warning sign rotate counterclockwise to warn pedestrian or electric vehicle and wound note that reducing
It gets off the accident of passenger；Since the installation site of the utility model is reasonable, pedestrian and cyclist will not be touched；In bus
When door is closed, the parking warning sign in the utility model is reset in the return slot of railroad car lateral wall, avoid bus just
Other vehicles are scratched during often advancing, also ensure the overall beautiful of vehicle.
The purpose of this utility model can be realized by following technique measures:
The parking warning sign suitable for bus of the utility model includes being mounted on bus exit door back upper place compartment
The housing of side wall inner wall is horizontally arranged in housing inner cavity through motor-driven lead screw, and spinning is on lead screw and top has
The feed screw nut of flange is fixed on the push rod that feed screw nut right side is in sleeve-like configuration, is fixed on the parking of push rod right side
Warning sign and corresponding sensing element；It is fixed on the bottom plate of the housing and (the slide cartridge conduct of the slide cartridge of lead screw coaxial line
Slideway when feed screw nut moves horizontally), the inner cavity of the slide cartridge is ladder inner hole structure, small in the ladder inner hole of the slide cartridge
The through slot axially extended is offered at the top of diameter section, and the flange of through slot and feed screw nut matches, in the rank of the slide cartridge
The blind hole radially extended is offered at the top of terraced inner hole major diameter section, is equipped in blind hole through spring driven movable ligule
Pin (during withdrawal, is limited, guarantee that the flange on feed screw nut returns in the through slot of slide cartridge) by movable ligule pin；
The stepped hole with push rod coaxial line is offered on the railroad car lateral wall, the path section of stepped hole is push rod through hole, major diameter section
For return slot (in retracted state, parking warning sign is reset in return slot), in the slot bottom groove of the return slot
Travel switch (extreme position inwardly moved horizontally for limiting feed screw nut and parking warning sign) is inside installed；In cabin side
It is fixed with and the chute board of the push rod through hole coaxial line (inner hole and push rod through hole of chute board on the inner wall of wall with laminating type
Together constitute slideway when push rod moves horizontally).
The housing closed end shell wall inner wall is fixed with horizontal seat plate in the present invention, in the upper surface of horizontal seat plate
Successively seat equipped with motor, be embedded with the bearing block I and bearing block II of bearing respectively, the input terminal of the lead screw by shaft coupling with
Motor is connected, and the output end of the lead screw successively runs through from the brearing bore of the brearing bore of bearing block I and bearing block II.
Inner hole, the push rod through hole of chute board described in the utility model match with the outer diameter of push rod.
The shape and size phase of the shape and size of return slot described in the utility model and the parking warning sign
Match.
Parking warning sign described in the utility model is hollow cylindrical structure, is built-in with LED light and buzzer.
The left half axle of lead screw described in the utility model is plain shaft structure, right axle shaft is external thread structure, and the outer spiral shell
The internal screw thread of line and feed screw nut matches；It is fixed in the right axle shaft axial end of the lead screw for carrying out axis to feed screw nut
To the spacer pin of limit.
Motor described in the utility model, travel switch and corresponding sensing element are electrically connected with the controller.
The working principle of the utility model is as follows:
The utility model is to adjust motor reversal according to the open/close states of car door or rotate forward (to face the output shaft of motor
End face is seen, is rotated counterclockwise to rotate forward, being rotated clockwise as reversion), by the transmission of lead screw and feed screw nut, and
Realize parking warning sign relative to railroad car lateral wall by the cooperation of the flange and through slot of feed screw nut, flange and movable ligule pin
It is overhanging or withdraw move horizontally and the reversion or rotating forward of parking warning sign.The utility model bus door open when at
In working condition, by reaching the flashing of the LED light in the parking warning sign outside railroad car lateral wall, buzzer sounding and parking
Warning sign rotates counterclockwise to warn pedestrian or electric vehicle note that reducing the accident of passenger of getting off of wounding；The utility model
Off working state is in when bus door is closed, parking warning sign resets in the return slot of railroad car lateral wall, avoids
Bus scratches other vehicles during normally advancing, and also ensures the overall beautiful of vehicle.Simultaneously as the utility model
It is mounted in the housing of bus exit door back upper place railroad car lateral wall inner wall, this highly exceeds the height of pedestrian and cyclist, i.e.,
Make the utility model be in overhanging working condition, stretch out railroad car lateral wall outside parking warning sign will not touch pedestrian and ride
Che Zhe.
More specifically, when bus, which stops, to open the door, motor reversal drives lead screw to rotate clockwise together, due to lead screw
In the through slot that the flange inlay card of nut is opened up at the top of the ladder inner hole path section of fixed slide cartridge, so feed screw nut at this time
It is not able to rotate, can only be moved horizontally outward along the ladder inner hole path section of slide cartridge, feed screw nut drives push rod horizontal outward together
Mobile, push rod pushes parking warning sign to the external mobile of railroad car lateral wall again；LED lamp circuit is connected at the same time, and LED light is opened
Beginning flashing, buzzer sounding, warn pedestrian or electric vehicle to pay attention to.When feed screw nut remove slide cartridge ladder inner hole path section,
Into slide cartridge ladder inner hole major diameter section when, since the flange of feed screw nut is limited departing from the radial direction of through slot, while lead screw spiral shell
Female right side and the axial limiting by the spacer pin being fixed on lead screw, then feed screw nut stops movement and with lead screw
Together rotationally clockwise (the output shaft end face in face of motor is seen, i.e., comes in terms of the behind of Fig. 4), i.e., on feed screw nut
Flange is the bevel direction rotation for aiming at movable ligule pin, and the pressure of suffered flange is passed to bullet by the inclined-plane of movable ligule pin
Spring, spring-compressed are retracted into movable ligule pin in the blind hole of slide cartridge, and push rod drives the parking warning of light flash at this time
Board is rotated with feed screw nut along the axis perpendicular to railroad car lateral wall, more observably continues to warn pedestrian or electric vehicle note
Meaning.
When bus closed door, motor is rotated forward, and drives lead screw and feed screw nut to rotate counterclockwise together, feed screw nut
Push rod is driven again and still in the parking warning sign turning anticlockwise of light flash；When the flange and movable ligule pin of feed screw nut
Vertical face contact after, the rotation of feed screw nut is obstructed, stops operating, and feed screw nut can only move horizontally, and due to active tongue
The vertical plane of shape pin is coplanar with the side of slide cartridge middle groove, i.e. inlet and outlet of the flange face through slot of feed screw nut at this time, so
Under the drive of lead screw, the flange of feed screw nut is returned in the through slot of slide cartridge again and back moves horizontally along through slot, fixed
Pull rod on feed screw nut also drives parking warning sign mobile towards railroad car lateral wall direction；At the same time in parking warning sign
LED lamp circuit disconnects, and LED light is closed, buzzer stops ringing.When in the return slot that parking warning sign resets to railroad car lateral wall completely
Travel switch is touched, controller is delivered a signal to, controller issues instruction control motor stalls.
The utility model advantageous effects are as follows:
When bus door is opened, the utility model is by reaching the LED in the parking warning sign outside railroad car lateral wall
Lamp flashing, buzzer sounding and parking warning sign rotate counterclockwise to warn pedestrian or electric vehicle and wound note that reducing
It gets off the accident of passenger；Since the installation site of the utility model is reasonable, pedestrian and cyclist will not be touched；In bus
When door is closed, the parking warning sign in the utility model is reset in the return slot of railroad car lateral wall, avoid bus just
Other vehicles are scratched during often advancing, also ensure the overall beautiful of vehicle.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model in closing of the door, parking warning sign withdrawal.
The structural schematic diagram that Fig. 2 is the utility model in the overhanging work of car door opening, parking warning sign.
Fig. 3 is the structural representation of the slide cartridge (comprising being placed in spring in its blind hole, movable ligule pin) in the utility model
Figure.
Fig. 4 is the left view of Fig. 3.
Serial number in figure: 1, motor, 2, controller, 3, shaft coupling, 4, bearing block I, 5, bearing block II, 6, lead screw, 7, lead screw
Nut, 7-1, flange, 8, slide cartridge, 8-1, through slot, 8-2, blind hole, 9, movable ligule pin, 10, spring, 11, railroad car lateral wall, 11-1,
Push rod through hole, 11-2, return slot, 12, travel switch, 13, chute board, 14, parking warning sign, 15, push rod, 16, limit
Pin, 17, horizontal seat plate, 18, housing.
Specific embodiment
The utility model is further described below in conjunction with attached drawing.
As shown in figures 1-4, the parking warning sign suitable for bus of the utility model includes being mounted on bus to get off
The housing 18 of top 11 inner wall of railroad car lateral wall behind the door is horizontally arranged at the lead screw 6 driven in 18 inner cavity of housing by motor 1, rotation
On lead screw 6 and top has the feed screw nut 7 of flange 7-1, is fixed on 7 right side of feed screw nut in sleeve-like configuration
Push rod 15 is fixed on the parking warning sign 14 and corresponding sensing element of 15 right side of push rod；In the bottom plate of the housing 18
On be fixed with slideway when moving horizontally with the slide cartridge 8(slide cartridge 8 of 6 coaxial line of lead screw as feed screw nut 7), the slide cartridge 8
Inner cavity is ladder inner hole structure, offers the through slot 8- axially extended at the top of the ladder inner hole path section of the slide cartridge 8
1, and through slot 8-1 and the flange 7-1 of feed screw nut 7 match, and offer at the top of the ladder inner hole major diameter section of the slide cartridge 8
The blind hole 8-2 radially extended is equipped with the movable ligule pin 9(driven by spring 10 in withdrawal process in blind hole 8-2
In, limited by movable ligule pin 9, guarantee that the flange 7-1 on feed screw nut 7 is returned in the through slot 8-1 of slide cartridge 8)；Institute
The stepped hole offered on railroad car lateral wall 11 with 15 coaxial line of push rod is stated, the path section of stepped hole is push rod through hole 11-1, greatly
Diameter section is return slot 11-2(in retracted state, and parking warning sign 14 is reset in return slot 11-2), in the return
Travel switch 12(is installed inwardly horizontal for limiting feed screw nut 7 and parking warning sign 14 in the slot bottom groove of slot 11-2
Mobile extreme position)；It is fixed with and push rod through hole 11-1 coaxial line on the inner wall of railroad car lateral wall 11 with laminating type
The inner hole and push rod through hole 11-1 of chute board 13(chute board 13 together constitute slideway when push rod 15 moves horizontally).
The 18 closed end shell wall inner wall of housing is fixed with horizontal seat plate 17 in the present invention, in horizontal seat plate 17
The input terminal of upper surface bearing block I 4 and bearing block II 5 that successively seat is equipped with motor 1, is embedded with bearing respectively, the lead screw 6 is logical
It crosses shaft coupling 3 to be connected with motor 1, the output end of the lead screw 6 is successively from the axis of the brearing bore of bearing block I 4 and bearing block II 5
It holds in inner hole through (referring to Fig. 1, Fig. 2).
Outer diameter of the inner hole, push rod through hole 11-1 of chute board 13 described in the utility model with push rod 15 matches
(referring to Fig. 1, Fig. 2).
The shape and ruler of the shape and size of the 11-2 of return slot described in the utility model and the parking warning sign 14
It is very little to match (referring to Fig. 1).
Parking warning sign 14 described in the utility model is hollow cylindrical structure, is built-in with LED light and buzzer.
The left half axle of lead screw 6 described in the utility model is plain shaft structure, right axle shaft is external thread structure, and the outer spiral shell
The internal screw thread of line and feed screw nut 7 matches；The right axle shaft axial end of the lead screw 6 be fixed with for feed screw nut 7 into
The spacer pin 16 of row axial limiting.
Motor 1 described in the utility model, travel switch 12 and corresponding sensing element are electrically connected with controller 2.
The particular condition in use of the utility model is as follows:
Controller 2 is passed to when the signal of car door opening opens and closes sensing element by car door, controller 2 issues instruction control
The reversion of motor 1 (is seen in face of the output shaft end face of motor, be rotated clockwise as reversion).Motor 1 passes through shaft coupling when rotating
Device 3 drives lead screw 6 to rotate in same direction and (rotate clockwise).Lead screw 6 is combined with feed screw nut 7 by screw thread, when feed screw nut 7
When by the ladder inner hole path section of slide cartridge 8, since the flange 7-1 of feed screw nut 7 is ladder inner hole path of the inlay card in slide cartridge 8
In the through slot 8-1 that is opened up of section top, thus at this time feed screw nut 7 be not able to rotate, can only be along the ladder inner hole path section of slide cartridge 8
It moves horizontally outward, while the push rod 15 being fixedly linked with feed screw nut 7 being driven to move horizontally outward together, push rod 15 pushes
External movement of the parking warning sign 14 to railroad car lateral wall 11；LED lamp circuit sensing device and controller 2 carry out signal at the same time
It exchanges, the LED lamp circuit in subsequent parking warning sign 14 is connected, and LED light starts flashing, buzzer sounding.When feed screw nut 7 moves
Out the ladder inner hole path section of slide cartridge 8, into slide cartridge 8 ladder inner hole major diameter section when, since the flange 7-1 of feed screw nut 7 is de-
Radial direction limit from through slot 8-1, while the right side of feed screw nut 7 is again by the axial direction limit for the spacer pin 16 being fixed on lead screw
Position, then feed screw nut 7 stop it is mobile and with lead screw 6 together rotationally clockwise, i.e. the flange 7-1 of feed screw nut 7 is
The bevel direction rotation for aiming at movable ligule pin 9 (referring to fig. 4, is seen in face of the output shaft end face of motor, i.e., in terms of the behind of Fig. 4
Come over), the pressure of suffered flange 7-1 is passed to spring 10 by the inclined-plane of movable ligule pin 9, and the compression of spring 10 makes movable ligule pin
9 are retracted into the blind hole 8-2 of slide cartridge 8, and push rod 15 drives the parking warning sign 14 of light flash with feed screw nut 7 one at this time
It rises and is rotated along the axis perpendicular to railroad car lateral wall.
When the signal of closing of the door passes to controller 2 by opening and closing sensing element by car door, controller 2 issues instruction
Control motor 1 is rotated forward and (is seen in face of the output shaft end face of motor, rotate counterclockwise to rotate forward).Motor 1 passes through when rotating
Shaft coupling 3 drives lead screw 6 and feed screw nut 7 to rotate counterclockwise together, and feed screw nut 7 drives push rod 15 again and still dodges in light
Bright 14 turning anticlockwise of parking warning sign；After the flange 7-1 of feed screw nut 7 is with the vertical face contact of movable ligule pin 9, silk
The rotation of thick stick nut 7 is obstructed, stops operating, and feed screw nut 7 can only move, and the vertical plane due to movable ligule pin 9 and slide cartridge 8
The side of middle groove 8-1 is coplanar, i.e. the inlet and outlet of the flange 7-1 face through slot 8-1 of feed screw nut 7 at this time, so in lead screw 6
Under drive, the flange 7-1 of feed screw nut 7 is returned in the through slot 8-1 of slide cartridge 8 again and back moves horizontally along through slot 8-1,
The pull rod 15 being fixed on feed screw nut 7 also drives parking warning sign 14 mobile towards 11 direction of railroad car lateral wall；LED at the same time
Circuit for lamp sensing device and controller 2 carry out signal exchange, and the LED lamp circuit in parking warning sign 14 disconnects, LED light closing,
Buzzer stops ringing.When touching travel switch in the return slot 11-2 that parking warning sign 14 resets to railroad car lateral wall 11 completely
12, controller 2 is delivered a signal to, controller 2 issues instruction control motor 1 and stops operating.
Claims (7)
1. a kind of parking warning sign suitable for bus, it is characterised in that: it includes being mounted on bus exit door back upper place
The housing (18) of railroad car lateral wall (11) inner wall is horizontally arranged at the lead screw (6) driven in housing (18) inner cavity by motor (1),
Spinning is on lead screw (6) and top has the feed screw nut (7) of flange (7-1), is fixed on feed screw nut (7) right side in set
The push rod (15) of tubular structure is fixed on the parking warning sign (14) and corresponding sensing element of push rod (15) right side；In
It is fixed on the bottom plate of the housing (18) and the slide cartridge (8) of lead screw (6) coaxial line, the inner cavity of the slide cartridge (8) is in ladder
Pore structure offers the through slot (8-1) axially extended, and through slot at the top of the ladder inner hole path section of the slide cartridge (8)
The flange (7-1) of (8-1) and feed screw nut (7) match, and offer at the top of the ladder inner hole major diameter section of the slide cartridge (8)
The blind hole (8-2) radially extended is equipped with the movable ligule pin (9) driven by spring (10) in blind hole (8-2)；Institute
State offered on railroad car lateral wall (11) with the stepped hole of push rod (15) coaxial line, the path section of stepped hole is push rod through hole (11-
1), major diameter section is return slot (11-2), is equipped with travel switch (12) in the slot bottom groove of the return slot (11-2)；
The chute board (13) with push rod through hole (11-1) coaxial line is fixed with laminating type on the inner wall of railroad car lateral wall (11).
2. the parking warning sign according to claim 1 suitable for bus, it is characterised in that: sealed in the housing (18)
Closed end shell wall inner wall is fixed with horizontal seat plate (17), the upper surface of horizontal seat plate (17) successively seat equipped with motor (1), respectively in
The input terminal of bearing block I (4) and bearing block II (5) embedded with bearing, the lead screw (6) passes through shaft coupling (3) and motor (1) phase
Even, the output end of the lead screw (6) is successively passed through from the brearing bore of the brearing bore of bearing block I (4) and bearing block II (5)
It wears.
3. the parking warning sign according to claim 1 suitable for bus, it is characterised in that: the chute board (13)
The outer diameter of inner hole, push rod through hole (11-1) with push rod (15) matches.
4. the parking warning sign according to claim 1 suitable for bus, it is characterised in that: the return slot (11-
2) shape and size and the shape and size of the parking warning sign (14) match.
5. the parking warning sign according to claim 1 suitable for bus, it is characterised in that: the parking warning sign
(14) it is hollow cylindrical structure, is built-in with LED light and buzzer.
6. the parking warning sign according to claim 1 suitable for bus, it is characterised in that: a left side for the lead screw (6)
Semiaxis is plain shaft structure, right axle shaft is external thread structure, and the internal screw thread of the external screw thread and feed screw nut (7) matches；In
The right axle shaft axial end of the lead screw (6) is fixed with the spacer pin (16) for feed screw nut (7) to be carried out with axial limiting.
7. the parking warning sign according to claim 1 suitable for bus, it is characterised in that: the motor (1), stroke
Switch (12) and corresponding sensing element are electrically connected with controller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616132.2U CN209637509U (en) | 2017-11-28 | 2017-11-28 | A kind of parking warning sign suitable for bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616132.2U CN209637509U (en) | 2017-11-28 | 2017-11-28 | A kind of parking warning sign suitable for bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637509U true CN209637509U (en) | 2019-11-15 |
Family
ID=68470722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721616132.2U Active CN209637509U (en) | 2017-11-28 | 2017-11-28 | A kind of parking warning sign suitable for bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209637509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724849A (en) * | 2017-11-28 | 2018-02-23 | 黄河科技学院 | A kind of parking warning sign suitable for bus |
-
2017
- 2017-11-28 CN CN201721616132.2U patent/CN209637509U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724849A (en) * | 2017-11-28 | 2018-02-23 | 黄河科技学院 | A kind of parking warning sign suitable for bus |
| CN107724849B (en) * | 2017-11-28 | 2023-05-30 | 黄河科技学院 | Parking warning sign suitable for bus |
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