CN203344837U

CN203344837U - Assist mechanism of coach turn-down luggage rack

Info

Publication number: CN203344837U
Application number: CN 201320395373
Authority: CN
Inventors: 孟强
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-04
Filing date: 2013-07-04
Publication date: 2013-12-18
Anticipated expiration: 2023-07-04

Abstract

The utility model relates to an assist mechanism of a coach turn-down luggage rack. A powered assist device with a motor is arranged on the outer end face of the luggage rack and wound with a steel wire, and one end of the steel wire is connected with a coach body. An on-off switch is arranged on the powered assist device and movably connected with the luggage rack; a contact switch is arranged below the on-off switch and connected with the motor of the powered assist device; a limit part fixedly connected with the coach body is arranged above the on-off switch. With the assist mechanism, advantages of the closed movable turn-down luggage rack of the coach body are guaranteed, while the luggage rack can be lifted automatically by the aid of the assist mechanism conveniently when heavy luggage is placed in the integrated luggage rack of the coach body, and therefore, passengers can place and take luggage conveniently.

Description

Lower turning type passenger car luggage rack servomechanism

Technical field

The utility model relates to lower turning type passenger car luggage rack servomechanism, for the closed below car body of passenger vehicle.

Background technology

Along with the lifting of bus industry technology, the transformation of user's sense of purchasing, more and more passenger car interior trims by be not with the passenger car body to the employing open type fixedly passenger's car body without the car body port cover structure, to closed fixedly passenger car body, be the car body lid structure that can upwards be flipped open again, and the closed movable lower turning type passenger car body of promoting is that car body body and car body lid are cured as one, and the integral body structure that is flipped open downwards.

Wherein fixedly the passenger car body structure is simple and reliable for open type, but consolidated structures affects car load layout, reputation and passenger's by bus service, the luggage of easily meeting and discussing when standing simultaneously easily moves in the driving China and foreign countries and drops, while picking and placeing luggage highly often because position is too high and inconvenient, luggage picks and places inconvenience when overweight.

Closed fixedly passenger car body structure is simple and reliable, and the vehicle body door lid is also beautified greatly and promoted the car load reputation, but has also affected passenger's by bus service, when picking and placeing luggage highly often because position is too high and inconvenient, luggage picks and places inconvenience when overweight.

Closed movable lower turning type passenger car body structure is also relatively simple, adopt car body body and the integrated design of car body lid, and integral body is flipped open downwards, when beautifying lifting car load reputation, also facilitated passenger's by bus service, when picking and placeing luggage, the cabin body can whole upset downwards be convenient to occupant's luggage and be picked and placeed, while standing, be difficult for meeting and discussing, but may be because of the overweight lifting effort of luggage when closing vehicle body door.

Summary of the invention

The technical problems to be solved in the utility model is to provide lower turning type passenger car luggage rack servomechanism, this servomechanism is when guaranteeing closed movable lower turning type passenger car body plurality of advantages, by the design servomechanism, make integrated car body body can the handled easily at servomechanism when placing heavier luggage under automatic lifting car body body, assist the occupant to pick and place article.

For overcoming the above problems, concrete technical scheme of the present utility model is as follows: lower turning type passenger car luggage rack servomechanism, outer face at baggage rack is provided with the dynamic booster with motor, is wound with steel rope on dynamic booster, and the end of steel rope is connected with car body; Be provided with open-close on-off on dynamic booster, open-close on-off and baggage rack are flexibly connected, be provided with contact switch below open-close on-off, contact switch is connected with the motor of dynamic booster, is provided with the locating part be fixedly connected with car body above open-close on-off.

The structure of described dynamic booster is, wirerope-winding in the worm gear with the spiral groove, worm gear and baggage rack be flexibly connected and and worm mesh, the end of worm screw connects motor, the worm screw other end contacts with open-close on-off; Wherein worm screw and motor are co-located in support, and support and baggage rack are flexibly connected by elastomeric element.

Described bracket end and baggage rack are flexibly connected by rotating shaft, and elastomeric element is that wind spring is positioned in rotating shaft.

Described bracket end and baggage rack are flexibly connected by rotating shaft, and elastomeric element can be draw/stage clip or other elastic components, and draw/stage clip one end is connected with support, and the other end is connected with baggage rack.

The structure of this lower turning type passenger car body servomechanism steel rope, dynamic booster and open-close on-off, control the running of dynamic booster by open-close on-off, thereby reach the drive steel rope, tighten up the purpose that baggage rack is closed.

Wherein dynamic booster adopts the engaging mechanism of driven by motor worm gear and worm screw, can control by open-close on-off and elastomeric element the engaged transmission of worm and gear on the one hand, a motor transmitting torque, do not bear axial force on the other hand, thereby guarantee the stable operation of motor safety.

The accompanying drawing explanation

Fig. 1 is that lower turning type passenger car luggage rack servomechanism is opened the structural representation put in place.

Fig. 2 is the dynamic booster structural representation.

Fig. 3 is for rotating the structural representation of open-close on-off.

Fig. 4 is the structural representation that open-close on-off contacts with locating part.

Fig. 5 is the structural representation that open-close on-off and electric shock switch disconnect.

Fig. 6 is the structural representation that open-close on-off and worm screw break away from.

The specific embodiment

As shown in Figure 1, lower turning type passenger car luggage rack servomechanism, be provided with the dynamic booster 10 with motor at the outer face of baggage rack 1, is wound with steel rope 2 on dynamic booster 10, and the end of steel rope is connected with car body; Be provided with open-close on-off 3 on dynamic booster 10, open-close on-off 3 is flexibly connected with baggage rack 1, be provided with contact switch 4 below open-close on-off 3, contact switch 4 is connected with the motor of dynamic booster 10, is provided with the locating part 5 be fixedly connected with car body above open-close on-off 3.

As shown in Figure 2, the structure of described dynamic booster 10 is, steel rope 2 is wrapped in the worm gear 12 with the spiral groove, and worm gear 12 and baggage rack 1 are flexibly connected also and worm screw 13 engagements, the end of worm screw 13 connects motor, and worm screw 13 other ends contact with open-close on-off 3; Wherein worm screw 13 is co-located in support 14 with motor, and support 14 is flexibly connected by elastomeric element 6 with baggage rack 1.Described support 14 ends and baggage rack 1 are flexibly connected by rotating shaft, and elastomeric element 6 is for wind spring is positioned in rotating shaft, or elastomeric element 6 is draw/stage clip or other elastic components, and draw/stage clip one end is connected with support 14, and the other end is connected with baggage rack 1.

The working process of this lower turning type passenger car luggage rack servomechanism is:

As shown in Figure 1, in unlatching baggage rack 1 puts process in place and after putting in place, worm gear 12 is with worm screw 13 all the time in non-engagement state, and steel rope 2 is all the time in the elongated condition that is stretched, and in this process, worm gear 12 coordinates rotation.

When luggage be placed on baggage rack 1 interior after, when the needs work-saving device is assisted, rotate open-close on-off 3, after open-close on-off 3 presses worm screw 13 and forwards certain angle to, worm and wheel is engagement fully just, now contact switch 4 is not communicated with; Be rotated further open-close on-off 3, until open-close on-off 3 contacts with contact switch 4, with the motor that worm screw 13 is connected, start working, as shown in Figure 3, under driving at worm gear at motor, drive the steel rope scrolling and shrink, the baggage rack trend is closed, in the process of closing, handle is all the time in the position shown in Fig. 3.

As shown in Figure 4, run into locating part 5 until approach while closing, open-close on-off 3 contrarotation again, contact switch 4 outages, the motor on worm screw is not worked, worm and wormwheel is still in engagement, worm screw is accelerated rotation and makes worm and wormwheel break away from as early as possible under elastomeric element 6 effects, and as shown in Figure 5 and Figure 6, steel rope 2 is in being retracted the process of redrawing, while having guaranteed the unlatching baggage rack, servomechanism does not affect unlatching.

This lower turning type passenger car luggage rack servomechanism guarantees by adopting steel rope to be flexible coupling the elastification that baggage rack opens and closes; Adopt worm gear structure to guarantee to close velocity-stabilization and the low speed assurance occupant safety of baggage rack; But adopt the engageable detaching structure that reaches of worm and gear, no matter whether start servomechanism while having guaranteed to close baggage rack all on closing baggage rack without impact, guaranteed while opening baggage rack that servomechanism does not start to split opens baggage rack without impact simultaneously, meets actual operation requirements; Adopt worm screw to move axially to mate the structure that meshes worm gear, can guarantee that the matched well meshed in detach procedure is beneficial to joggleword; Adopt motor to be connected with worm screw and only bear the structure that moment of torsion does not bear axial force, the component that can guarantee steel rope and Item Weight without impact, has been brought into play the inferior position that the transmitting torque advantage of motor has avoided bearing axial force to motor; Employing, with the opening-closing handle of inclined-plane and multi-curvature structure, after having guaranteed the startup servomechanism, starts the structural defence that moment has first worm and gear engagement, rear connection machine operation.First cut off the device protection of machine operation, rear worm wheel worm mesh disengaging when closing baggage rack to termination simultaneously.By above design, make the embodiment user's request that servomechanism can be intact, guaranteed the user in using lower turning type baggage rack process simultaneously easily, further promoted user's satisfaction and human oriented design demand.

Claims

1. lower turning type passenger car luggage rack servomechanism, it is characterized in that: the outer face at baggage rack (1) is provided with the dynamic booster (10) with motor, is wound with steel rope (2) on dynamic booster (10), and the end of steel rope is connected with car body; Be provided with open-close on-off (3) on dynamic booster (10), open-close on-off (3) is flexibly connected with baggage rack (1), be provided with contact switch (4) in the below of open-close on-off (3), contact switch (4) is connected with the motor of dynamic booster (10), is provided with the locating part (5) be fixedly connected with car body in the top of open-close on-off (3).

2. lower turning type passenger car luggage rack servomechanism as claimed in claim 1, it is characterized in that: the structure of described dynamic booster (10) is, steel rope (2) is wrapped in the worm gear (12) with the spiral groove, worm gear (12) is flexibly connected and meshes with worm screw (13) with baggage rack (1), the end of worm screw (13) connects motor, and worm screw (13) other end contacts with open-close on-off (3); Wherein worm screw (13) is co-located in support (14) with motor, and support (14) is flexibly connected by elastomeric element (6) with baggage rack (1).

3. lower turning type passenger car luggage rack servomechanism as claimed in claim 2, it is characterized in that: described support (14) end and baggage rack (1) are flexibly connected by rotating shaft, and elastomeric element (6) is positioned in rotating shaft for wind spring.

4. lower turning type passenger car luggage rack servomechanism as claimed in claim 2, it is characterized in that: described support (14) end and baggage rack (1) are flexibly connected by rotating shaft, elastomeric element (6) is draw/stage clip, draw/stage clip one end is connected with support (14), and the other end is connected with baggage rack (1).