CN2507530Y

CN2507530Y - Improvement on advance and retreat power adapter of remote-controlled vehicle

Info

Publication number: CN2507530Y
Application number: CN 01253778
Authority: CN
Inventors: 叶锡堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-09-19
Filing date: 2001-09-19
Publication date: 2002-08-28
Anticipated expiration: 2011-09-19

Abstract

An improved forward and backward power adapter of a radio control car comprises a driving gear set, a driven gear set, an idle gear and a, a power input gear, a forward driving gear and a backward gear are fixed on the driving gear set arranged on a shaft body, a forward transmitting gear and a backward transmitting gear are sheathed on the driven gear set arranged on an output shaft, the clutch plate is sheathed on the output shaft between the forward transmitting gear and the backward transmitting gear, shoe clutch-plates are project arranged at one end of the forward transmitting gear and the backward transmitting gear near the clutch plate and retracting spaces capable of covering the shoe are arranged at the side face of the clutch plate, and projections are formed in place of the inner circumference of the retracting spaces, the shoe clutch-plates covered clamp the projections by the centrifugal force to connect the power of the forward transmitting gear and the backward transmitting gear, so that the speed of the car must be regulated to switch the power forward or backward, thereby that machine parts are not grabbed and damaged because of dramatic reversing speed.

Description

The advance and retreat power connector of telecar improves

Technical field

The advance and retreat power connector that the utility model relates to a kind of telecar improves, particularly a kind of switching the advance transmission gear or the transmission gear that falls back, on the engagement device that car is advanced or retreat, be provided with correctly modulation speed, could switch the power connector of advance and retreat power, avoid parts and damage the puzzlement of no operation error because of improper operation.

Background technology

Telecar generally is subjected to liking of model player.Add the day different progress of technology, in the small and exquisite car body, every part almost can be done as true car, we can say that telecar is pure in the model, the noble example of simulation product, and in every telecar, use electrically driven (operated) telecar with the telecar that drives with oil again, more exquisite, more urgent true in the operation, yet, telecar with the fuel oil driving, the general function that does not possess reversing, and the telecar that existing a kind of at present fuel oil drives, shown in Fig. 1 telecar overall perspective view, in car body, close between the rear drive sprocket, the connector 2 of advance and retreat powershift has been housed, when telecar 1 is carried out, can advance or retreat, formation as for this connector, overall perspective view as Fig. 2, and shown in the three-dimensional exploded view of Fig. 3, it is mainly by a power gear group 3, one stressed gear train 4, one idle pulley 5, one power button dish 6 and is stirred fork part 7 and is constituted, wherein power gear group 3 is by on the axis body 31, run through and set firmly a power gear 32, and set firmly a forward gear 33 and a backward gear 34, import by power gear 32 clamping leading portion power, make each parts start in the connector 2, and be subjected to powershift gear 4 is by on the power output shaft 41, sheathed one transmission gear 42 and a transmission gear 43 that falls back that advances, the transmission gear 43 that falls back directly engages with backward gear 34, in addition with idle pulley 5 clampings advancing transmission gear 42 and forward gear 33, multiple on output shaft 41, advance transmission gear 42 and falling back between the transmission gear 43 of correspondence, run through also sheathed, stir the power button dish 6 of fork part 7 clips, rotary power button dish 6 can make the rotation of power output shaft 41 interlocks, and fork part 7 driving levers 71 are stirred in the remote control startup, make its parallel axial slip, make power button dish 6 touch the transmission gear 42 that advances, or in addition to touching the transmission gear 43 that falls back, to produce advance rotation direction or retreat rotation direction of power output shaft 41, at the transmission gear 42 that advances, and the end face of transmission gear 43 that fall back towards power button dish 6, all be arranged with the recessed road 44 of arc,, bloat protruding wall 55 in 44 periphery appropriate locations, the recessed road of those arcs, and appropriate location, power button dish 6 both sides, protrude shank 61 respectively, shank 61 can correspondence stretch in the recessed road 44 of arc, is subjected to protruding wall 55 pushing and pressing, just can pull locomotivity button dish 6 and engage the transmission gear 42 that advances, or engage transmission gear 43 power that fall back, drive the output shaft 41 direction turn that moves forward, or toward the reverse direction turn, drive the wheel be connected with power output shaft 41, or front or rear advancing.

In addition, we know, object in the motion, desire changes direct of travel, suitable deceleration earlier, conversion direct of travel again, otherwise the rapid movement of moment conversion, violent motional inertia will be produced, it is smooth and easy that object is no longer moved, even make object be difficult to bear the impact that motion changes and damage, this from any vehicle to any moving object, this physical phenomenon is all arranged, so, telecar changes the action of forward/backward, though the requirement of controlling is freely arranged, also should follow under this physical phenomenon and operate, moreover under the situation without brake deceleration, the clamping of power is difficulty very, yet aforementioned commonly seeing is equipped with the telecar 1 of advance and retreat powershift connector 2, owing to can at any time power button dish 6 be engaged the transmission gear 12 that advances, or joint retreats the power of transmission gear 43, make the switching of telecar forward/backward, need not brake deceleration, can be at any time for it, so, can only rely on operator's experience and masterful technique in the operation, slow down with brake/relieving throttle earlier and change reverse gear acceleration more then again, this standard is finished front/rear to switching in proper order, if and operator's technology is unskillful, or for the moment impatient, do not slow down earlier and does not just change reverse gear, the parts in the powershift connector 2 that will cause advancing and retreat, bear the severe impact that motion changes, and when shank 61 forces the recessed road 44 of the arc of clamp-oning in the motion, produce continuously bump " loud, high-pitched sound; loud, high-pitched sound ... " the sound, so operation does not go out for several times, parts are damaged, and the telecar of these functions also is the quality goods under the fine structure, and not goods is taken in institute, so not anti-operate miss will form the heavy burden that player's maintenance is bought more.

Summary of the invention

The advance and retreat power connector that the utility model aims to provide a kind of telecar improves, to improve the advance and retreat power connector structure of common telecar, cause operational disappearance or damage, on output shaft, advance transmission gear and falling back between the transmission gear of correspondence, sheathed clutch seat, rotate this clutch seat difficulty and make the rotation of output shaft interlock, and can pass the clutch seat and touch the transmission gear that advances, or the transmission gear that falls back, to produce advance rotation direction or retreat rotation direction of output shaft, close on an end of clutch seat particularly in the advance transmission gear and the transmission gear that falls back, be convexly equipped with the hoof piece clutch-plate that opened by the centrifugal force bullet, and, offer the recessed space that can cover hoof piece clutch-plate in clutch seat side, recessed inner peripheral appropriate location, space, form projection, the hoof piece clutch-plate that is capped is when being subjected to centrifugal action, can fasten recessed space inwall or projection, with the advance power of the transmission gear or the transmission gear that falls back of connection, form in the operation, parts are not turned round damage because of rapid commutating speed.In addition, close on the side of the advance transmission gear and the transmission gear that falls back at the clutch seat, offer the recessed edge in recessed space, also can form reducing, make in the operation, must slow down earlier, make hoof piece clutch-plate contract because of centrifugal force reduces bullet, just can leave the clutch seat, the hoof piece clutch-plate and the clutch seated connection that are converted to other limit close, and rise with rotating speed again, and hoof piece clutch-plate is opened because of centrifugal force increases bullet, fasten recessed space inwall of end or projection in addition, formation commutation effect, that is a necessary step of operator, one step ground carries out in proper order, otherwise can't change garage's direction, easily form good habit in the operation, impel the skilled early correct technology of operator.

Advantage of the present utility model is, because above-mentioned design in practical operation, must correctly be adjusted speed of a motor vehicle ability conversion advance and retreat power, makes parts not damage parts because of rapid commutating speed.

Description of drawings

Fig. 1 is the telecar overall perspective view of commonly seeing.

Fig. 2 is the advance and retreat powershift connector overall perspective view of existing rarely seen telecar installing.

Fig. 3 is the advance and retreat powershift connector three-dimensional exploded view of existing rarely seen telecar installing.

Fig. 4 is the advance and retreat power connector structural perspective of telecar of the present utility model.

Fig. 5 A is the power clutch cut-away view of Fig. 4.

Fig. 5 B is the power clutch front view of Fig. 4.

Fig. 6 A is the hoof piece top view of Fig. 4.

Fig. 6 B is the hoof piece front view of Fig. 4.

Fig. 7 A, 7B, 7C are the effect situation in advance and retreat power connector structure when commutation of the improved telecar of the utility model.

Fig. 8 is another enforcement structural perspective of advance and retreat power connector of the improved telecar of the utility model.

Element title and element number contrast in the accompanying drawing: 1--telecar 2--connector 3--power gear group 4--is subjected to powershift gear 5--idle pulley 6--power to buckle dish 7--to stir the fork part 31-axis body 32-power gear 33-forward gear 34-backward gear 41-power output shaft 42-transmission gear 43-protruding wall 61-of the recessed road 55-of the transmission gear 71-driving lever 44-arc shank 100-driving tooth wheels 101-axis body 102-power input gear 103-forward drive gear 104-reversible drive gear 105-power source 200-passive tooth wheels 201-output shaft 202-transmission gear 203-recessed space 205-projection 206-hoof piece clutch-plate 207-spring 208-arc clutch-plate 209-contracting 300-idle pulley 400-clutch seat 402-disk body 403-clutch-plate 404-melon of transmission gear 204-that falls back that advances that falls back that advances and adjust bolt 405-pin rod 422-to piece 421-screw with 406-spring 407-

The specific embodiment

Fig. 4 is the advance and retreat power connector structural perspective of the improved telecar of the utility model, shown in figure, the advance and retreat power connector of the improved telecar of this kind of the present utility model, it is mainly by driving tooth wheels 100, one passive tooth wheels 200, one

idle pulley

300 and 400 formations of a clutch seat, wherein driving tooth wheels 100 are on an axis body 101, set firmly a power input gear 102, and set firmly a forward drive gear 103 and a reversible drive gear 104, import the power of power source (electric notor or oil-burning machine) into by power input gear 102, to drive overall operation, and passive tooth wheels 200 are on an output shaft 201, sheathed one transmission gear 202 and a transmission gear 203 that falls back that advances, the transmission gear 203 that falls back directly engages with reversible drive gear 104, in addition with idle pulley 300 clampings advancing transmission gear 202 and forward drive gear 103, multiple on output shaft 201, advance transmission gear 202 and falling back between the transmission gear 203 of correspondence, sheathed clutch seat 400, rotation clutch seat 400 can make the rotation of output shaft 201 interlocks, and can dial to move apart and close seat and 400 touch the transmission gear 202 that advances, or the transmission gear 203 that falls back, to produce advance rotation direction or retreat rotation direction of output shaft 201, drive output shaft 201 two ends, connect a left side, right wheel transmission.

Detailed formation as for clutch seat 400, see also shown in the front view of the cut-away view of Fig. 5 A and Fig. 5 B, in clutch seat 400 sides, offer recessed space 204, recessed 204 inner peripheral appropriate locations, space, form projection 205, projection 205 as shown in the figure, can be located in appropriate location in the recessed space 204 by shank, again at recessed space 204 ring edge, form reducing 209, in addition, shown in the front view of the top view of Fig. 6 A and Fig. 6 B, close on an end of clutch seat 400 at the advance transmission gear 202 and the transmission gear 203 that falls back, be convexly equipped with hoof piece clutch-plate 206 (the identical symmetry of structure of the transmission gear 202 and the transmission gear 203 that falls back that opened by the centrifugal force bullet owing to advance, be example explanation only among the figure) with the transmission gear 202 that advances, the formation of hoof piece clutch-plate 206, disk body 402 for the transmission gear 202 sides protrusion that advances, the clutch-plate 403 of its dish edge appropriate location one activity, clutch-plate 403 is to be solidly connected to disk body 402 with pin rod 405, disk body 402 is followed 404 bottom surfaces with respect to the pawl of clutch-plate 403, run through a screw 421, in screw 421, plug spring 406 supports piece 422 and adjusts bolt 407, opening and closing through spring 406 control clutch-plates 403, when transmission gear 202 rotating speeds that advance promote, the centrifugal force of generation during greater than spring 406 clutch-plate 403 open, can be arrived to by aforesaid projection 205, promoting output shaft 201 rotates together, by adjusting bolt 407, spring 406 compression elasticities are changed, can make modulation proofread and correct the degree that clutch-plate 403 is supported by centrifugal force.

In the operation of whole forward/backward commutation, successively as Fig. 7 A, 7B, shown in the effect situation of 7C, at first as Fig. 7 A, when advancing, since clutch seat 400 cover cover the other hoof piece clutch-plate 206 of transmission gear 202 sides that advances (detailed structure and please refer to before figure and preamble described), this moment, clutch-plate 403 was opened by the centrifugal action bullet, fasten the projection 205 in the clutch seat 400, drive output shaft 201 towards rotation direction rotation with the transmission gear 202 that advances, at this moment, clutch-plate 403 sides are replaced by reducing 209 limit walls, whole clutch seat 400 can't be moved apart the transmission gear 202 that advances, when desiring to change rewind function into, shown in Fig. 7 B, rotating speed must slow down earlier, the centrifugal force of clutch-plate 403 is reduced, could dial and move this clutch seat 400, cover and hold the other hoof piece clutch-plate 206 of transmission gear 203 sides that falls back in addition, for another example shown in Fig. 7 C, increase rotating speed, transmission gear 203 other clutch-plate 403 bullets that fall back are opened, butt transmission gear 203 power that fall back, form the reversing output of output shaft 201, form thus in the operation, correctly the modulation speed of a motor vehicle could be switched advance and retreat power, make parts not turn round damage because of rapid commutating speed, operation is able to safe and effective.

Fig. 8 is that other plants external beam and has the arc clutch-plate 208 of spring 207 to use on the utility model, can produce the effect that equates fully with Fig. 4.

Palpus Chen Ming person, the above person is the preferable specific embodiment of the utility model, if comply with the change that conception of the present utility model is done, the function of its generation, when not exceeding specification yet and illustrating the spirit that is contained, all should in scope of the present utility model, close and give Chen Ming.

Claims

1, a kind of advance and retreat power connector of telecar improves, mainly by driving tooth wheels, one passive tooth wheels, one idle pulley and a clutch seat constitute, wherein the driving tooth wheels are on an axis body, set firmly a power input gear, and set firmly a forward drive gear and a reversible drive gear, the passive tooth wheels are on an output shaft, sheathed one transmission gear and a transmission gear that falls back that advances, the transmission gear that falls back engages with the reversible drive direct geared, in addition with idle pulley clamping advance transmission gear and forward drive gear, multiple on output shaft, advance transmission gear and falling back between the transmission gear of correspondence, sheathed clutch seat, rotation clutch seat can make the rotation of output shaft interlock, and can dial to move apart and close seat and touch the transmission gear that advances, or the transmission gear that falls back, to produce advance rotation direction or retreat rotation direction of output shaft, it is characterized in that: the advance transmission gear and the transmission gear that falls back close on an end of clutch seat, be convexly equipped with the hoof piece clutch-plate that opened by the centrifugal force bullet, and, offer the recessed space that can cover the hoof piece in clutch seat side, recessed inner peripheral appropriate location, space, form projection, the hoof piece clutch-plate that is capped is when being subjected to centrifugal action, can make and uphold inwall or the projection inwall fasten recessed space, with the advance power of the transmission gear or the transmission gear that falls back of connection.

2, the advance and retreat power connector of telecar according to claim 1 improves, and it is characterized in that: the ring edge in described recessed space forms reducing.

3, the advance and retreat power connector of telecar according to claim 1 improves, and it is characterized in that: described hoof piece clutch-plate, disk body for the transmission gear side protrusion that advances, its dish edge appropriate location is provided with the clutch-plate of an activity, and clutch-plate is solidly connected to disk body with pin rod, and disk body is with respect to the bottom surface of clutch-plate, run through a screw, in this screw, be provided with spring, support piece and adjust bolt, bolt is adjusted in rotation, via spring, can control the opening and closing of clutch-plate.

4, the advance and retreat power connector of telecar according to claim 1 improves, and it is characterized in that: described hoof piece clutch-plate can be external beam has the arc clutch-plate of spring to replace.