CN201613919U - Hand-push mobile camera car steering lock mechanism - Google Patents

Abstract

The utility model discloses a steering locking mechanism for a hand-push mobile camera car, which comprises a control handle, a locking steel wire, a locking lever, a locking gear, a locking spring, and a steering column; wherein the locking gear is fixedly sleeved on a direction adjustment shaft; the locking lever It is arranged in a tangential staggered layer with the locking gear, and the end of the locking lever adjacent to the locking gear is provided with a protrusion that can be inserted into the tooth groove of the locking gear correspondingly; the other end of the locking lever is connected horizontally and vertically to one end of the locking spring, and the other end of the locking spring is fixed On the loading vehicle plate; the middle part of the control handle is hinged on the direction control rod, one end of the control handle is a handle, and the other end is connected to the locking wire; the steering column is arranged at the opposite end of the locking spring and the locking lever and opposite to the loading vehicle plate Fixed; one end of the locking wire is connected to the control handle, and the other end is fixedly connected to the end of the steering column that is connected to the locking lever and the locking spring. The utility model has the advantages of being convenient to lock the direction of the mobile camera car by pushing it by hand, and having flexible steering control.

Description

The hand-push movable photographic car steering lock mechanism

Technical field

The utility model relates to film, televise technical field, the steering lock mechanism of the hand-push movable photographic car that uses when especially a kind of film, televise.

Background technology

In film, televise technical field, present motion shooting is generally carried pick up camera by the photographer and is taken while advancing, and this often rises and falls owing to walking in shooting process or the influence of breathing causes the shooting picture shake.People adopt and set up the shooting track in advance for overcoming these shortcomings, establish on the shooting track camera car is installed, and load spider and photographer on the camera car, promote the camera car shooting of moving of advancing.The remarkable shortcoming of this technology is that equipment carries inconvenience, and assembly and disassembly are loaded down with trivial details, just can not change sense of motion in case set up the shooting track, and the restriction of shooting track is not suitable for the motion shooting than the long radius scope.Simultaneously this technology is subjected to environmental restraint bigger when using, and has the wideless defective of Applicable scope.

The utility model content

Technical problem to be solved in the utility model is, in order to overcome above-mentioned the deficiencies in the prior art, and provide a kind of hand-push movable photographic car steering lock mechanism, this lockout mechanism is applied in a kind of hand-push movable photographic car of the track restrictions of not made a video recording, make it have the direction of being convenient to locking, turn to and control advantage flexibly.

In order to solve the problems of the technologies described above, adopted following technical scheme in the utility model:

A kind of hand-push movable photographic car steering lock mechanism comprises control handle, locking steel wire, securing rod, lock gear, locking spring, Steering gear; Wherein said lock gear fixed cover is located at the direction adjusting shaft; The tangential staggered floor setting of described securing rod and lock gear, the end that securing rod and lock gear are adjacent are provided with the projection that can vertically insert accordingly in the lock gear teeth groove; The securing rod other end links to each other with locking spring one end horizontal vertical, and locking spring other end relative fixed is in the loading sweep; Described control handle middle part is hinged on the direction control stalk, and control handle one end is a handle, and the other end is connected with the locking steel wire; Steering gear be arranged at a locking spring end relative with securing rod and with loading sweep relative fixed; Locking steel wire one end links to each other with control handle, and the other end is walked around Steering gear and securing rod and locked the end captive joint that spring links to each other.

The suitable especially a kind of hand-push movable photographic car that is applied to applicant's autonomous Design of the utility model, this hand-push movable photographic car concrete structure is in the concrete introduction in aftermentioned specific embodiment the inside.After the utility model was applied to this hand-push movable photographic car, when the camera car cruising, the projection of the end that securing rod and lock gear are adjacent was inserted in the lock gear teeth groove, and wheel steering mechanism is a lock-out state, and it is normal that assurance is travelled.When camera car need turn to, control handle handle one end of can holding with a firm grip, the other end is by locking steel wire pulling securing rod, and compression locking spring makes securing rod toward the direction translation away from lock gear, the state that unlocks, this moment, rotatable direction control stalk was turned.But in the turning process also release on control handle lock again, thereby camera car can be turned according to the fixing anglec of rotation, can satisfy the demand of special shooting situation.

Description of drawings

Fig. 1 is for having adopted hand-push movable photographic car structural representation of the present utility model.

Fig. 2 is the birds-eye view of Fig. 1.

Fig. 3 is the structural representation that removes among Fig. 2 behind the loading sweep.

Fig. 4 is the local structure enlarged diagram that turns to lockout mechanism among Fig. 3, can mainly show structure of the present utility model, and its view direction is consistent with Fig. 3 view direction.

The specific embodiment

Below in conjunction with the drawings and specific embodiments to the utility model and adopted the hand-push movable photographic car of the utility model structure to be described in further detail.

During concrete enforcement, adopted hand-push movable photographic car structure of the present utility model as shown in Figures 1 to 4, a kind of hand-push movable photographic car comprises loading sweep 1 and wheel, also comprise chassis 2 and extending arm 3, chassis 2 is platy structure and the parallel middle part, loading sweep 1 below that is arranged at; Wheel comprises that two groups of front- wheels 4 and 5, four groups of wheels of two groups of trailing wheels are connected on four corners on chassis 2 by an extending arm 3 separately; Respectively organizing wheel during enforcement is made up of two wheels, in the middle of two wheels is rotation shaft of wheel, along being provided with wheel adapter shaft 7 on the rotation shaft of wheel straight up, wheel adapter shaft 7 is rotatably connected on the termination of corresponding extending arm 3, and each extending arm 3 other end articulates by a vertical pivot that is provided with 8 and chassis 2.Like this, extending arm 3 can outwards trail and make the vehicle body support more stable, simultaneously in the specific implementation, between extending arm 3 and chassis 2, also be provided with angle adjustment plate 9, angle adjustment plate 9 is fixedly set in 2 four edges in chassis, angle adjustment plate 9 outer ends are extended the chassis and are provided with several angle adjustment holes 10 along arc thereon, are provided with knock hole accordingly on each extending arm 3; Like this, can be after extending arm 3 opens by the knock hole on the angle adjustment holes on the bolt 11 connection angle regulating plates 10 10 and the extending arm 3, thus the extending arm after opening 3 is positioned.

Also be provided with wheel steering mechanism in the above-mentioned hand-push movable photographic car, wheel steering mechanism is mainly referring to Fig. 1 and Fig. 3, by shown in it, described wheel steering mechanism comprises an application of force chain 17 of central links 15 and two application of force sprocket wheels 16 and the coupling of two execution chains 13 of four execution sprocket wheels 12 and coupling and three intermediate chain wheels 14 and coupling; Described four execution sprocket wheels 12 are set in respectively on two wheel adapter shafts and pivot with front-wheel 4 bonded assembly extending arm two ends, execution sprocket wheel on the wheel adapter shaft is for fixing sheathed, and two execution chains 13 are set in respectively on the execution sprocket wheel 12 at above-mentioned two extending arm two ends; Two intermediate chain wheels be set in respectively on two pivots with front-wheel 4 bonded assembly extending arms and can with the execution sprocket wheel unitary rotation on it, rotatable being set in of another intermediate chain wheel is positioned on the vertical sprocket shaft 18 that is provided with in 2 rear ends, chassis, and central links 15 is set on three intermediate chain wheels 14; Application of force sprocket wheel be set on the above-mentioned sprocket shaft 18 and can with the intermediate chain wheel unitary rotation on it, another application of force sprocket wheel fixed cover is located at and is positioned on the vertically rotatable direction adjusting shaft 19 that is provided with in loading sweep 1 rear end, and application of force chain 17 is set on two application of force sprocket wheels 16; Direction adjusting shaft 19 upper ends are extended loading sweep 1 and are horizontally arranged with a direction control stalk 20.Like this, when taking,, direction of passage control stalk 20 moves ahead but promoting dolly.Rotate this direction control stalk 20 simultaneously, direction of passage adjusting shaft 19, application of force chain 17, central links 15 and execution chain 13 drive the wheel adapter shaft rotation of two groups of front-wheels 4 successively, thereby realize turning to of camera car, can make that shooting is more flexible.

The structure that the utility model changes is mainly referring to Fig. 1 and Fig. 4, and by shown in it, this hand-push movable photographic car steering lock mechanism comprises control handle 21, locking steel wire 22, securing rod 23, lock gear 24, locking spring 25, Steering gear 26; Wherein said lock gear 24 fixed covers are located on the direction adjusting shaft 19; Described securing rod 23 is along lock gear 24 tangential staggered floor settings, and securing rod 23 and lock gear 24 adjacent ends are provided with the projection that can vertically insert accordingly in lock gear 24 teeth groove; Securing rod 23 other ends link to each other with locking spring 25 1 end horizontal vertical, and locking spring 25 other ends lean on a connection piece 27 relative fixed in loading sweep 1; Described control handle 21 middle parts are hinged on the direction control stalk, and control handle 21 1 ends are handle, and the other end is connected with locking steel wire 22; Steering gear 26 is arranged on the attaching parts 27 of locking spring 25 and securing rod 23 relative ends; Locking steel wire 22 1 ends link to each other with control handle 21, and the other end is walked around Steering gear 26 and securing rod 23 and locked the end captive joint that spring 25 links to each other.During concrete enforcement, locking spring 25 is socketed on the fixed link 28 to guarantee that locking spring 25 can not produce the direction skew when compressing, these fixed link 28 1 ends are fixed on the attaching parts 27, the other end passes securing rod 23 and locking spring 25 bonded assembly terminations and slidably cooperation each other mutually, and fixed link 28 is fixed on the attaching parts 27 of loading sweep 1 below with Steering gear 26.Like this, when the camera car cruising, under 25 effects of locking spring, make the projection of the end that securing rod 23 and lock gear 24 are adjacent be inserted in lock gear 24 teeth groove, direction adjusting shaft 19 can not rotate, and wheel steering mechanism is a lock-out state, and it is normal that assurance is travelled.When camera car need turn to, control handle 21 handles one end of can holding with a firm grip, the other end is by locking steel wire 22 pulling securing rods 23, and compression locking spring 25 makes securing rod 23 toward the direction translations away from lock gear 24, the state that unlocks, this moment, rotatable direction control stalk 20 was turned.Wherein, because Steering gear 26 is arranged on the relative end of locking spring 25 and securing rod 23, that direction is set is consistent with locking spring 25 substantially so pulling force turns to the back through Steering gear 26, so be convenient to the application of force, what can guarantee to handle is flexible.During concrete enforcement, described locking steel wire 22 also is slidably disposed in the gum cover of coupling, and the gum cover two ends are separately fixed at control handle and Steering gear place, like this, during pulling locking steel wire 22, the fixing interior slip of gum cover of locking steel wire 22 at both endss can be delivered to pulling force the Steering gear place easily.This is identical with ordinary bicycle brake backguy gum cover structure, belongs to prior art, so not statement in the accompanying drawings.

Above-mentioned hand-push movable photographic car; have and directly to travel on the ground; the track restrictions so can not made a video recording; the motion coverage is bigger, has reduced equipment such as guide rail, reduces advantages such as shooting group carrying difficulty; to this hand-push movable photographic car; and wheel steering mechanism wherein, the applicant has applied for patent protection simultaneously, the application's purpose is for steering lock mechanism wherein can be protected separately.

Claims (1)

1. A hand-push mobile camera car steering locking mechanism, characterized in that it comprises a control handle, a locking wire, a locking lever, a locking gear, a locking spring, and a steering column; wherein the locking gear is fixedly sleeved on the direction adjustment shaft; The locking rod and the locking gear are arranged in tangential staggered layers, and one end adjacent to the locking rod and the locking gear is provided with a protrusion that can be vertically inserted into the tooth groove of the locking gear correspondingly; the other end of the locking rod is connected horizontally and vertically to one end of the locking spring, The other end of the locking spring is relatively fixed on the loading vehicle plate; the middle part of the control handle is hinged on the direction control rod, one end of the control handle is a handle, and the other end is connected with the locking wire; the steering column is arranged at the opposite end of the locking spring and the locking rod and It is relatively fixed with the loading vehicle plate; one end of the locking steel wire is connected with the control handle, and the other end is fixedly connected with the end connected with the locking lever and the locking spring by going around the steering column.

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