CN208240513U - A kind of overtravel mechanism that can be freely grafted for microswitch - Google Patents

Abstract

The utility model relates to vehicle technology fields, specifically, it is related to a kind of overtravel mechanism that can freely graft for microswitch, including microswitch side is arranged in and for the two-stage compression mechanism with microswitch movement reed effect, so, in the application, the two-stage compression mechanism of setting, it is simple and compact for structure, it can be directly installed on the microswitch of the model, disassembly can also be had by oneself according to demand, freely convert, wherein, the two-stage compression mechanism be especially for small space, the limit Demand Design of big stroke.

Description

A kind of overtravel mechanism that can be freely grafted for microswitch

Technical field:

The utility model relates to vehicle technology fields, and in particular, to a kind of freely to graft for microswitch Overtravel mechanism.

Background technique:

It is also the most popular vehicles, its energy conservation and environmental protection cost that electric motor car with two wheels, which is most common in common people's daily life, It is cheap.But its biggish self weight also brings the very big inconvenience of parking to female user, old user.

By taking current most popular two classes pedal vehicle as an example, according to the requirement of industry new national standard, one kind is electric boosted Bicycle focuses on 50KG or so certainly；It is another it is more popular with users be that electricity rubs, because the demand of its larger endurance is so battery Quantity and capacity are also significantly increased compared with the former, general to focus on 100KG or so certainly.Through investigating, these two types of vehicles are in electric motor car with two wheels 60% or more is occupied in the market share, therefore many enterprises are all researching and developing one kind referred to as the novel of " electric motor intelligent support " Product, the major function of this product are to solve that anti-theft function can also be attached to while parking is laborious；In addition, being produced for vehicle For product, the vehicle that attached intelligent support has also further upgraded humanized function.

Because of the fixation of vehicle volume, the installation space of the product is also very limited.It is proved repeatedly, is ensuring that vehicle is original Under the premise of performance, maximum installation space only has within 150mm*85mm*110mm.So in numerous vehicle enterprises, research institution R&D process in, lack a kind of overtravel mechanism that can freely graft for microswitch always.

Utility model content:

The utility model overcomes the deficiencies of existing technologies, and provides a kind of overtravel machine that can freely graft for microswitch Structure.

Technical problem to be solved in the utility model is implemented with the following technical solutions: one kind can be certainly for microswitch By the overtravel mechanism grafted, including microswitch side is arranged in and for the two-stage pressure with microswitch movement reed effect Compel mechanism.

Preferably, the two-stage compression mechanism includes cylindric ontology, and ontology one end is equipped with prolongs along vertical ontology direction The fixed connection end stretched, the fixed connection end connect firmly on microswitch side wall via bonding or buckle；In the ontology other end Wall is equipped with stop collar, is used for and is set in intrinsic pressure cap limit cooperation, and also sliding is equipped with top terminals, institute in the pressure cap It states and is elastically engaged between top terminals and pressure cap.

Preferably, cooperate between the top terminals and pressure cap via spring.

Preferably, the top terminals are pressed on the movement reed of microswitch far from one end elasticity of pressure cap.

In the application, a kind of overtravel mechanism that can freely graft for microswitch is specifically used in one Kind small space can in the reciprocating transmission mechanism that hits of overtravel limit and sync buffering, a kind of small space can overtravel limit simultaneously The reciprocating transmission mechanism that sync buffering is hit, including power unit, for providing reciprocating power, the power list to said mechanism Member is connected firmly sets cabin side in；

The cabin other side is set in described equipped with sector accommodating cavity, and the small tooth of independence being connected to sector accommodating cavity holds Chamber is set, the small tooth of independence drives setting in independent small tooth accommodating cavity via power unit, and independent small tooth and setting are in sector Sector engaged transmission in tooth accommodating cavity；

Set in described cabin far from the side of power unit be additionally provided with for and sector accommodating cavity, independent small tooth accommodating cavity Hatchcover is set in adaptation, the main shaft through its ontology is vertically equipped on the sector, the main shaft both ends are set in respectively Cabin sets hatchcover stretching in；

The power unit side is also used to control the control unit of power unit power on/off.

Preferably, the power unit is motor, motor output end and in set and be additionally provided between cabin for improving torque Reduction assemblies；The reduction assemblies include the front gear chamber that motor output end is arranged in, are arranged and set cabin in far from fan The backgear chamber of shape tooth side, the front gear chamber and backgear chamber connect firmly to form cluster gear case via bolt or buckle, institute It states and is equipped with gear set in cluster gear case, motor output end drives sector to rotate via after gear set reduction of speed.

Preferably, the gear set be Pyatyi gear set, the Pyatyi gear set include be engaged with each other transmission first, Two, three, four, five, six gear, the first gear are connected firmly in motor output end, second and third, four, five gears be second level duplex-gear Wheel, the second level duplicate gear include pinion gear and connect firmly the gear wheel in pinion gear side with one heart, and the small tooth of independence holds Set intracavitary rotation and be equipped with connecting shaft, the small tooth of independence connects firmly in connecting shaft one end, the connecting shaft other end be pierced by set cabin and the Six gears connect firmly.

Preferably, described control unit includes microswitch, is arranged in microswitch side and is used for and microswitch is dynamic Make the two-stage compression mechanism of reed effect, the microswitch is normally closed switch；

Preferably, described control unit is separately positioned on main shaft two sides for two, and the sector sets cabin in Side is additionally provided with control position gasket, and the control position gasket is fastened on main shaft via the concentric holes that control position gasket is equipped with, control position pad The one end of piece far from sector is also vertically equipped with limit opening pin, and limit opening pin one end is set on cavity in via setting Arc-shaped slot stretch out, the arc-shaped slot and main shaft arranged concentric, spacer pin is via sector reciprocally swinging in arc-shaped slot Interior reciprocating movement.

Preferably, described control unit is separately positioned on the end positions of arc-shaped slot and connects firmly in backgear chamber side wall On, the limit opening pin compresses via sector effect/far from top terminals.

Preferably, the two-stage compression mechanism includes that limit opening pin acts on the first pressure for powering off motor after top terminals Compel stage and sector to continue to slide onto the second compressing rank of arc-shaped slot end via effect of inertia drive limit opening pin Section.

Preferably, total sliding stroke and sector of the sector in sector accommodating cavity are in the second compressing stage The ratio between sliding stroke is 1:(0.04~0.1).

Preferably, the sector two sides are additionally provided with ringent c-type hole, are additionally provided in the c-type hole for damping Polyurethane stick, described polyurethane stick a part are stretched out via the opening in c-type hole, and polyurethane stick another part card is withstood in c-type hole, Buffering redundancy is additionally provided between the c-type hole and polyurethane stick.

Compared with prior art, the application has the beneficial effect that

1, in the application, the two-stage compression mechanism of setting is simple and compact for structure, can be directly installed on the fine motion of the model On switch, disassembly can also be had by oneself according to demand, freely converted, wherein the two-stage compression mechanism is especially for small space, greatly The limit Demand Design of stroke；

2, in the application, when motor rotates forward, driving sector is arranged on sector toward one side oscillation of sector accommodating cavity Limit opening pin moved in arc-shaped slot with sector, when limit opening pin and two-stage compression mechanism act on, make top terminals Act on microswitch movement reed when, microswitch by it is normally closed be converted into it is normally opened, motor power-off, which is the first compressing rank Section, sector continue to swing under effect of inertia, and the limit opening pin of sector side is also swung in arc-shaped slot, until fan Shape tooth side is resisted against on the side wall of sector accommodating cavity, and limit opening pin is rocked to the end of arc-shaped slot, which is Two compressing stages, the second compressing stage in the case where motor powers off, make sector be rocked to sector using sector inertia Accommodating cavity one end can substantially reduce the impact force that sector is rocked to sector accommodating cavity end during being somebody's turn to do, and have buffering Effect, to improve its service life during reciprocal transmission in small space；

3, in the application, the polyurethane stick that the c-type hole and card being equipped with are withstood in c-type hole can further decrease sector Active force between sector accommodating cavity, second oppresses in phase process, and sector inertia continues to swing, and polyurethane stick one Lease making is stretched out by the opening in c-type hole, is that polyurethane stick and sector accommodating cavity are made when sector is rocked to sector accommodating cavity With so that the rigid contact between sector and sector accommodating cavity is converted into Elastic Contact, after polyurethane stick stress deformation It is compensated to the buffering redundancy being arranged between c-type hole and polyurethane stick, to greatly improve the use of reciprocating transmission mechanism Service life.

It 4, is to drive sector to move back and forth in sector accommodating cavity by power unit, setting is being fanned in the application Main shaft on shape tooth can connect specific executive item, thus realize the reciprocal transmission in small spatial dimension, in the mechanism, if Setting the control unit in power unit side is to act reed effect by two-stage compression mechanism and microswitch to realize overtravel Limit, sync buffering and protective effect, sector two sides further respectively have c-type hole and polyurethane stick, can be in control unit While realizing overtravel limit, sync buffering, the active force of sector and sector accommodating cavity is reduced, reciprocator is improved Service life；

5, in the application, the intelligent support with the reciprocating transmission mechanism of super large stroke microswitch is mounted with, because miniature The setting for switching overtravel can avoid passively connecting motor circuit when parking rear vehicle is shaken, be effective to ensure that normal Intelligent support is in Non-energy-consumption state always after parking under state.

In addition, the change of intelligent support heel brace angle will drive main shaft and sector turns when if vehicle faces artificial promotion Dynamic, when this, which changes, continues progress, the microswitch position-limited needle being mounted on sector can be relaxed to microswitch pressure cap Compressing, restarts motor to connect motor circuit, and linkage heel brace, sector, main shaft run heel brace again to required Angle makes heel brace be in parked state always, plays anti-theft function.

Detailed description of the invention:

Fig. 1 is the utility model general assembly drawing；

Fig. 2 sets cabin main view in being；

Fig. 3 sets cabin rearview in being；

Fig. 4 is sector structural schematic diagram；

Fig. 5 is second level dual gear structure schematic diagram；

Fig. 6 is two-stage compression mechanism structural schematic diagram；

Fig. 7 is control unit structural schematic diagram；

Fig. 8 is the utility model Structure explosion diagram；

In figure: 10~power unit；20~in set cabin；21~sector accommodating cavity；22~independent tooth accommodating cavity；23~ Control position gasket；24~limit opening pin；25~arc-shaped slot；211~sector；The small tooth of 221~independence；26~c-type hole；27~ Polyurethane stick；30~in set hatchcover；40~main shaft；50~control unit；51~microswitch；52~two-stage compression mechanism；521 ~ontology；522~fixed connection end；523~pressure cap；524~top terminals；61~front gear chamber；62~backgear chamber；63~tooth Wheel group；65~second level duplicate gear.

Specific embodiment:

In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under Face in conjunction with specific embodiments, furthers elucidate the utility model.

Embodiment 1:

As illustrated in figures 1 and 8, a kind of small space can overtravel limit and sync buffering hit reciprocating transmission mechanism, packet Power unit 10 is included, for providing reciprocating power to said mechanism, power unit 10 is connected firmly sets 20 side of cabin in；In set cabin 20 other side of body is equipped with sector accommodating cavity 21, and the small tooth accommodating cavity 22 of independence being connected to sector accommodating cavity 21, independent Small tooth 221 via the driving of power unit 10 setting in independent small tooth accommodating cavity 22, hold in sector by independent small tooth 221 and setting Set 211 engaged transmission of sector in chamber 21；In set cabin 20 and be additionally provided with far from the side of power unit 10 and be used for and sector Hatchcover 30 is set in accommodating cavity 21, the independent small adaptation of tooth accommodating cavity 22, the main shaft through its ontology is vertically equipped on sector 211 40,40 both ends of main shaft set cabin 20 in respectively and set the stretching of hatchcover 30 in；10 side of power unit is also used to control power The control unit 50 of 10 power on/off of unit.

In the prior art, because of the fixation of vehicle volume, the installation space of the product is also very limited.It is proved repeatedly, Under the premise of ensuring vehicle original performance, maximum installation space only has within 150mm*85mm*110mm.So in numerous vehicles Enterprise, research institution R&D process in, lack one kind always overtravel can limit in small space, and being capable of sync buffering The reciprocating transmission mechanism of shock.It is to drive sector 211 past in sector accommodating cavity 21 by power unit 10 in the application Multiple movement, the main shaft 40 being arranged on sector 211 can connect specific executive item, to realize past in small spatial dimension Multiple transmission, in the mechanism, the control unit 50 that 10 side of power unit is arranged in is by two-stage compression mechanism 52 and fine motion Switch 51 acts reed effect and realizes that overtravel limit, sync buffering and protective effect, 211 two sides of sector further respectively have C-type hole 26 and polyurethane stick 27 can reduce sector 211 while control unit realizes overtravel limit, sync buffering With the active force of sector accommodating cavity 21, the service life of reciprocator is improved.

As shown in figures 1-4, power unit 10 is motor, motor output end and in set and be additionally provided between cabin 20 for mentioning The reduction assemblies of high torque；Reduction assemblies include the front gear chamber 61 that motor output end is arranged in, are arranged and set cabin 20 in far Backgear chamber 62 from 211 side of sector, front gear chamber 61 and backgear chamber 62 connect firmly to form disjunctor via bolt or buckle Gear-box, the cluster gear case is interior to be equipped with gear set 63, and motor output end is via driving sector 211 after 63 reduction of speed of gear set Rotation so, it is possible to provide bigger torque.

As shown in Figure 5 and Figure 8, specifically, gear set 63 is Pyatyi gear set, and Pyatyi gear set includes the transmission that is engaged with each other First, second, third and fourth, five, six gears, first gear connects firmly in motor output end, second and third, four, five gears be that second level is double Join gear 65, second level duplicate gear 65 includes pinion gear and connects firmly the gear wheel in pinion gear side with one heart, and independent small tooth holds Set rotation in chamber 22 and be equipped with connecting shaft, independent small tooth 221 is connected firmly in connecting shaft one end, the connecting shaft other end be pierced by set cabin 20 and the 6th Gear connects firmly.

As shown in Fig. 6,7 and 8, control unit 50 include microswitch 51, be arranged in 51 side of microswitch and be used for and Microswitch 51 acts the two-stage compression mechanism 52 of reed effect, and microswitch 51 is normally closed switch；Two-stage compression mechanism 52 wraps Cylindric ontology 521 is included, 521 one end of ontology is equipped with the fixed connection end 522 extended along vertical 521 direction of ontology, fixed to connect End 522 is connect to connect firmly on 51 side wall of microswitch via bonding or buckle；521 other end inner wall of ontology is equipped with stop collar, uses Cooperate in the limit of pressure cap 523 being set in ontology 521, also sliding is equipped with top terminals 524,524 He of top terminals in pressure cap 523 Cooperate between pressure cap 523 via spring, top terminals 524 are pressed on microswitch 51 far from one end elasticity of pressure cap 523 It acts on reed, in this way, the two-stage compression mechanism 65 of setting is simple and compact for structure in the application, the type can be directly installed on Number microswitch on, disassembly can also be had by oneself according to demand, freely converted, wherein the two-stage compression mechanism be especially for Small space, the limit Demand Design of big stroke.

As shown in Figure 6,7, control unit 50 is separately positioned on 40 two sides of main shaft for two, and sector 211 sets cabin in The side of body 20 is additionally provided with control position gasket 23, and control position gasket 23 is fastened on main shaft 40 via the concentric holes that control position gasket 23 is equipped with On, the control one end of position gasket 23 far from sector 211 is also vertically equipped with limit opening pin 24, and 24 one end of limit opening pin is via setting Set and set arc-shaped slot 25 in cabin 20 in and stretch out, 40 arranged concentric of arc-shaped slot 25 and main shaft, limit opening pin 24 via 211 reciprocally swinging of sector moves back and forth in arc-shaped slot 25, and control unit 50 is separately positioned on the both ends of arc-shaped slot 25 Position simultaneously connects firmly on 62 side wall of backgear chamber, and limit opening pin 24 compresses via the effect of sector 211/far from top terminals 524, Two-stage compression mechanism 52 includes that limit opening pin 24 acts on the first compressing stage for powering off motor after top terminals 524 and fan Shape tooth 211 continues to slide onto the second compressing stage of 25 end of arc-shaped slot via effect of inertia drive limit opening pin 24, such as This, in the application, when motor rotates forward, driving sector 211 is arranged toward 21 1 side oscillation of sector accommodating cavity in sector 211 On limit opening pin 24 moved in arc-shaped slot 25 with sector 211, when limit opening pin 24 and two-stage compression mechanism 52 Effect, when top terminals 524 being made to act on microswitch movement reed, microswitch 51 is converted into normally opened, motor power-off by normally closed, The process was the first compressing stage, and sector 211 continues to swing under effect of inertia, the limit opening pin of 211 side of sector 24 also swing in arc-shaped slot 25, until 211 side of sector is resisted against on the side wall of sector accommodating cavity 21, limit opening Pin 24 is rocked to the end of arc-shaped slot 25, which was the second compressing stage, and the second compressing stage is the case where motor powers off Under, so that sector 211 is rocked to 21 one end of sector accommodating cavity using 211 inertia of sector, can be substantially reduced during being somebody's turn to do Sector 211 is rocked to the impact force of 21 end of sector accommodating cavity, has buffer function, thus the reciprocal biography in small space During dynamic, its service life is improved.

Specifically, in the application, total sliding stroke and sector 211 of the sector 211 in sector accommodating cavity 21 exist The ratio between the sliding stroke in the second compressing stage is 1:(0.04~0.1), it so, it is possible the mechanism of largest optimization the application, delay It rushes that damping effect is preferable, is able to ascend the service life of the application.

Embodiment 2:

As shown in figure 4, the present embodiment structure and the structure of embodiment one are essentially identical, something in common is repeated no more, different Place is: 211 two sides of sector are additionally provided with ringent c-type hole 26, and the polyurethane stick for damping is additionally provided in c-type hole 26 27,27 a part of polyurethane stick is stretched out via the opening in c-type hole 26, and 27 another part card of polyurethane stick is withstood in c-type hole 26, C Buffering redundancy is additionally provided between type hole 26 and polyurethane stick 27, in this way, the c-type hole 26 and card being equipped with withstand on c-type in the application Polyurethane stick 27 in hole 26 can further decrease the active force between sector 211 and sector accommodating cavity 22, the second pressure Compel in phase process, 211 inertia of sector continues to swing, and 27 a part of polyurethane stick is stretched out via the opening in c-type hole 26, fan-shaped It is that polyurethane stick 27 and sector accommodating cavity 21 act on, thus by sector 211 when tooth 211 is rocked to sector accommodating cavity 21 Rigid contact between sector accommodating cavity 21 is converted into Elastic Contact, to being arranged in c-type after 27 stress deformation of polyurethane stick It is compensated at buffering redundancy between hole 26 and polyurethane stick 27, to greatly improve the service life of reciprocating transmission mechanism.

The characteristics of basic principles and main features and the utility model of the utility model have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these changes and improvements are both fallen in the range of claimed invention.This is practical new The claimed range of type is defined by the appending claims and its equivalent thereof.

Claims (3)

1. a kind of overtravel mechanism that can be freely grafted for microswitch, which is characterized in that including being arranged in microswitch (51) side and the two-stage compression mechanism (52) for being acted on microswitch (51) movement reed；

The two-stage compression mechanism (52) includes cylindric ontology (521), and ontology (521) one end is equipped with along vertical ontology (521) fixed connection end (522) that direction extends, the fixed connection end (522) connect firmly and open in fine motion via bonding or buckle It closes on (51) side wall；

Ontology (521) other end inner wall is equipped with stop collar, is used for and is set in pressure cap (523) limit in ontology (521) and match It closes, also sliding is equipped with top terminals (524) in the pressure cap (523), and elasticity is matched between the top terminals (524) and pressure cap (523) It closes.

2. the overtravel mechanism according to claim 1 that can be freely grafted for microswitch, which is characterized in that the top Cooperate between terminal (524) and pressure cap (523) via spring.

3. the overtravel mechanism according to claim 1 that can be freely grafted for microswitch, which is characterized in that the top Terminal (524) is pressed on the movement reed of microswitch (51) far from one end elasticity of pressure cap (523).