CN203570080U - Transmission mechanism of electronically controlled electric vehicle door - Google Patents
Transmission mechanism of electronically controlled electric vehicle door Download PDFInfo
- Publication number
- CN203570080U CN203570080U CN201320324021.XU CN201320324021U CN203570080U CN 203570080 U CN203570080 U CN 203570080U CN 201320324021 U CN201320324021 U CN 201320324021U CN 203570080 U CN203570080 U CN 203570080U
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- door
- reducing
- threaded rod
- nut
- screw
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Abstract
A transmission mechanism of an electronically controlled electric vehicle door comprises a vehicle door system (1) and a door head mechanism (7), wherein the vehicle door system (1) consists of left and right door leaves and a shifting fork (1-2). The transmission mechanism is characterized in that a door control unit (6) sends an instruction, a motor drives a screw to rotate, and nuts drive the shifting fork and the door leaves to make linear motion in an axis direction of the screw, so that the opening and the closing of the vehicle door are achieved. According to the transmission mechanism, a locking device and a transmission device are integrated; a small-diameter part achieves the quick opening and closing of the vehicle door; the closing speed is increased to 1.5-4.5s; and point contact is formed between a spheroidal guide wheel and a guide rail, so that the frictional resistance is less, and the frictional heat is kept in the original level when the guide wheel rolls; and noise cannot be increased. The screw, the nuts and a helical pair achieve self-lubrication, so that the running states are ensured without oil injection; the maintenance cost is lowered; and the more advanced, more reasonable, safer and quicker vehicle door system is formed.
Description
Technical field
The utility model relates to transmission, guiding and the mechanical locking device of rail traffic vehicles electricity powered car door, particularly just about the diameter progressive screw nut transmission mechanism of low friction reduction of heat.
Background technology
Rail vehicle electricity powered door is widely used in railway, city railway train.Mainly by door leaf, driving mechanism, transmission device, guiding device, locking device, door control unit (DCU) and Men Tou mechanism, formed.Driving mechanism is power source, and its drive transmission the rotation motion motion that is in line, and is delivered to door leaf and realizes the switch of door leaf.Guiding device limits the running orbit of door leaf.Locking device, after closing of the door, guarantee that car door cannot be opened in the situation that motor stops and nut is not applied to torsional interaction, guarantees traffic safety.Door control unit (DCU), the open and close situation of opposite house is implemented monitoring automatically and is controlled.Bogey, is carrying the total weight that driving, transmission, door leaf etc. install, and is affixed on car body.Screw-and-nut mechanism, guiding mechanism, mechanical locking device, be three piths of electricity powered car door composition, and existing electricity powered car door, for guaranteeing that closing of the door is firm, arranges separately a set of mechanical locking mechanism; In order to ensure closed safe, steady, low noise, normally (closing) speed of opening is controlled at 3-6s/ time, speed is lower than the speed of pneumatic door (1.5-4.5s/ time), there are to remarkable impact the upper and lower speed of passenger, dwell time, especially the subway train that start and stop are frequent, the volume of the flow of passengers is larger, slow, the independent sinuous defect of locking of its electricity powered car door ubiquity closing velocity.
Summary of the invention
In order to overcome slow, the independent sinuous defect of locking of existing electricity powered closing of the door speed, the purpose of this utility model is to provide a kind of transmission mechanism of electricity powered car door, be adopt that pitch (helical pitch) strengthens, the transmission mechanism of reducing combined screw pair forms more advanced, reasonable, safe a, door device fast.
The technical solution of the utility model is achieved in the following ways: a kind of transmission mechanism of electricity powered car door, comprises door device and Men Tou mechanism; Door device is comprised of two of left and right door leaf and shift fork; Men Tou mechanism is located at the top of door leaf, and driving mechanism, transmission device and door control unit are housed in Men Tou mechanism; Driving mechanism is comprised of motor and shaft coupling; Transmission device is comprised of combined threaded rod, nut and three supporting bases, it is characterized in that: described door control unit sends instruction, and the rotation of motor drive screw, nut drives shift fork, door leaf to do rectilinear motion along screw axis direction, realizes the switch of car door.
Described transmission device is reducing combined threaded rod nut, comprise reducing combined threaded rod and reducing combination nut, reducing combined threaded rod is supported in Men Tou mechanism by left and right supporting base and middle supporting base, reducing combination nut and reducing combined threaded rod pair, respectively there are two parts of large and small diameter: the closing leading portion, open back segment of large helical pitch small diameter portion screw pair control door device, the diameter of thread of reducing combination nut is Φ 16 mm, screw with reducing combined threaded rod, in low friction, realize fast moving; The little lift angle part in large footpath: the closing latter end, open leading portion of door device, the diameter of thread of reducing combination nut is Φ 104 mm, screws with reducing combined threaded rod.
It is Φ 16mm and Φ 104mm bis-parts that described reducing combined threaded rod is divided into the diameter of thread, lead angle λ=5.81 of its diameter of thread part Φ 104mm °, equivalent friction angle arc tan fv=5.91 °.
The path nut of described reducing combination nut adopts the model engineering plastic of friction factor f=0.11 to make; Large footpath nut adopts the model engineering plastic of friction factor f=0.45 to make.
The utility model, path part realizes car door high-speed switch, and switching speed is brought up to 1.5-4.5s, and noise still reaches standard-required (28dBA).This partial frictional angle is little, helical pitch is large.Because nut adopts high-intensity nonmetallic wear-resistant material---model engineering plastic is made, bolt and nut this to screw pair, even if relative velocity in service increases, bolt and nut screw pair realizes self-lubricating, without oiling, guarantee running status, reduce maintenance cost, form more advanced, reasonable, safe a, door device fast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of transmission device.
In figure: 1 door device, 2 driving mechanisms, 3 transmission devices, 4 guiding mechanisms, 5 locking devices, 6 door control units, 7 Men Tou mechanisms, 8 loaded axles.
The specific embodiment
By Fig. 1, Fig. 2, known, a kind of transmission mechanism of electricity powered car door, comprise door device 1 and Men Tou mechanism 7, door device 1 is comprised of two of left and right door leaf and shift fork 1-2, Men Tou mechanism 7 is located at the top of door leaf, and driving mechanism 2, transmission device 3, guiding mechanism 4, locking device 5 and door control unit (DCU) 6 are housed in Men Tou mechanism 7.Driving mechanism 2 is comprised of motor and shaft coupling; Transmission device 3 is comprised of combined threaded rod, nut and three supporting bases; Described door control unit (DCU) 6 sends instruction, the rotation of motor drive screw, the upper lateral part of door leaf is connected with shift fork 1-2, shift fork is link rod structure, by being arranged on an in-house loaded axle 8, be connected with reducing combination nut, nut drives shift fork 1-2, door leaf to do rectilinear motion along screw axis direction, realizes the switch of car door.
By Fig. 3, being known, is the structural representation of transmission device.Transmission device 3 is reducing combined threaded rod nut screw pairs, comprise reducing combination nut 3-1 and reducing combined threaded rod 3-2, reducing combined threaded rod 3-2 is supported in Men Tou mechanism 7 by left and right supporting base 3-3 and middle supporting base 3-4, reducing combination nut 3-1 and reducing combined threaded rod 3-2, be divided into right (dextrorotation) two sections in a left side (left-handed) take middle supporting as boundary; Two ends are large helical pitch minor diameter screw pair, implement door device 1 close leading portion, open back segment, reducing combination nut 3-1 and reducing combined threaded rod 3-2 screw, screw diameter is Φ 16 mm, in low friction, realizes fast moving; At middle part near middle supporting base 3-4, left and right is respectively provided with the little lift angle screw pair of major diameter that a segment length is less, and screw diameter is Φ 104 mm, large footpath little lift angle part reducing combination nut 3-1,3-2 screws with reducing combined threaded rod, implement door device 1 close latter end, open leading portion.Described reducing combination nut 3-1 adopts model engineering plastic to make.Left and right two parts of reducing combined threaded rod 3-2, are provided with the diameter of thread and are bis-sections of Φ 16mm and Φ 104mm respectively, its large footpath section Φ 104 mm, lead angle λ=5.81 °, equivalent friction angle arc tan fv=5.91 °.The path nut of described reducing combination nut adopts the model engineering plastic of friction factor f=0.11 to make; Large footpath nut adopts the model engineering plastic of friction factor f=0.45 to make.
Two nuts adopt model engineering plastic to make, and its material property is as follows:
Nut 1 nut 2
1, tensile strength 32MPa 1, tensile strength 90MPa
2, compressive strength 25MPA 2, compressive strength 130MPA
3, friction factor 0.11 3, friction factor 0.45
The utility model is applicable to underground automobile door and railway car door.Underground automobile door is selected left-right rotary reverse-flighted screw; Railway car door adopts unidirectional screw rod.Screw rod material adopts Gr15 alloy steel, and turning etc. process; Nut adopts high-strength model engineering plastic-newly formula, injection moulding; Guide rail adopts weather-resistant steel plate, punching stretch forming, bearing steel turning machine-shaping for directive wheel.Railway and subway, different with force-bearing situation because carrying, therefore when parts are applied, its concrete structure size is variation to some extent also.
Claims (3)
1. the transmission mechanism of an electricity powered car door, comprise door device (1) and Men Tou mechanism (7), door device (1) is comprised of two of left and right door leaf and shift fork (1-2), Men Tou mechanism (7) is located at the top of door leaf, driving mechanism (2) is housed in Men Tou mechanism (7), locking device (5) and door control unit (6), driving mechanism (2) is comprised of motor and shaft coupling, transmission device (3) is by combined threaded rod, nut and three supporting base compositions, it is characterized in that: described door control unit (6) sends instruction, the rotation of motor drive screw, nut drives shift fork, door leaf does rectilinear motion along screw axis direction, realize the switch of car door.
2. the transmission mechanism of a kind of electricity powered car door according to claim 1, it is characterized in that: described transmission device (3) is comprised of reducing combined threaded rod nut screw pair, comprise reducing combination nut (3-1) and reducing combined threaded rod (3-2), reducing combined threaded rod (3-2) is supported in Men Tou mechanism (7) by left and right supporting base (3-3) and middle supporting base (3-4); Reducing combination nut (3-1) respectively has two parts of large and small diameter with reducing combined threaded rod (3-2), large helical pitch small diameter portion screw pair is implemented closing leading portion, opening back segment of door device (1), the threaded portion diameter of reducing combination nut is Φ 16mm, screw with reducing combined threaded rod (3-1), in low friction, realize fast moving; The little lift angle part in large footpath: the closing latter end, open leading portion of door device (1), the diameter of thread of reducing combination nut (3-1) is Φ 104mm, screws with reducing combined threaded rod (3-2).
3. the transmission mechanism of a kind of electricity powered car door according to claim 2, it is characterized in that: it is Φ 16mm and Φ 104mm bis-parts that described reducing combined threaded rod (3-2) has the diameter of thread lead angle λ=5.81 of its diameter of thread part Φ 104mm °, equivalent friction angle arc tan fv=5.91 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320324021.XU CN203570080U (en) | 2013-06-06 | 2013-06-06 | Transmission mechanism of electronically controlled electric vehicle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320324021.XU CN203570080U (en) | 2013-06-06 | 2013-06-06 | Transmission mechanism of electronically controlled electric vehicle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570080U true CN203570080U (en) | 2014-04-30 |
Family
ID=50537815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320324021.XU Expired - Fee Related CN203570080U (en) | 2013-06-06 | 2013-06-06 | Transmission mechanism of electronically controlled electric vehicle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746959A (en) * | 2015-02-16 | 2015-07-01 | 广西南宁市繁星科技有限公司 | Automatic door with door body with width capable of being set at will and switch lock |
-
2013
- 2013-06-06 CN CN201320324021.XU patent/CN203570080U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746959A (en) * | 2015-02-16 | 2015-07-01 | 广西南宁市繁星科技有限公司 | Automatic door with door body with width capable of being set at will and switch lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20210606 |