CN101497310B - Transmission mechanism for conversion of two-wheel drive and four-wheel drive of beach vehicle - Google Patents
Transmission mechanism for conversion of two-wheel drive and four-wheel drive of beach vehicle Download PDFInfo
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- CN101497310B CN101497310B CN 200810069308 CN200810069308A CN101497310B CN 101497310 B CN101497310 B CN 101497310B CN 200810069308 CN200810069308 CN 200810069308 CN 200810069308 A CN200810069308 A CN 200810069308A CN 101497310 B CN101497310 B CN 101497310B
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- 238000006243 chemical reaction Methods 0.000 title claims description 12
- 230000005540 biological transmission Effects 0.000 title abstract description 8
- 239000000758 substrate Substances 0.000 claims description 28
- 238000005452 bending Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 5
- 230000001141 propulsive effect Effects 0.000 description 5
- 230000009183 running Effects 0.000 description 5
- 241000519996 Teucrium chamaedrys Species 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to a converting transmission device for two-wheel drive and four-wheel drive of a beach cart. A first stage output worm (1) is meshed with a first stage driven worm wheel (2); a shaft (3) of the first stage driven worm wheel (2) is sleeved with a second stage driving gear (4); the second stage driving gear (4) is meshed with a second stage driven gear (5); and the second stage driven gear (5) is sleeved at one end of a second stage driven gear shaft (6), and the other end of the second stage driven gear shaft (6) is sleeved with an output gear (7). The device has the characteristics of novel design, small volume, simple operation, flexible operation, good security, and the like and can realize that the beach cart selects the two-wheel drive or the four-wheel drive according to the actual situation. The two-wheel drive and the four-wheel drive can be electrically converted with convenience and reliability so as to greatly improve the dynamic performance and the trafficability of the beach cart.
Description
Technical field
The present invention relates to a kind of beach buggy actuating device, relate in particular to beach buggy two-wheel drive and four wheel drive conversion driving unit.
Background technology
At present, beach buggy on the market all is to drive front-wheel motion (front-wheel does not have direct power) in the majority with back-wheel drive.Two front-wheels of beach buggy are installed on the vehicle frame by suspension fork mechanism, and two trailing wheels are sleeved on separately the rear axle shaft.The power of beach buggy is provided by driving engine, the rear end of engine output shaft is connected with two rear axle shafts by the back transmission device, the power of driving engine passes to rear axle shaft by the back transmission device like this, drives the trailing wheel rotation, and the beach buggy car load travels forward or backward.Because beach buggy has only trailing wheel that propulsive effort is arranged, dynamic property is not strong, and crossing ability is relatively poor, when beach buggy is being climbed the very oblique operation that is difficult to when sloping; When beach buggy travelled in muddy or frost boiling highway section, wheel was got down hopeless in a quagmire easily or is difficult to advance because skidding, and then problems such as flame-out occur.
The dynamic property and the crossing ability that how to improve beach buggy are the difficult problems that all beach buggy manufacturers are just studying intensively, the producer's imagination that has is driven a kind of mid-get car two with the 4 wheel driven conversion technique and is transplanted on the beach buggy, be that mechanism replaces traditional front wheel suspension mechanism with bridge, bridge is to be connected by a transmission shaft between driving box and the driving engine of mechanism, and the input main shaft in the driving box can be connected by sliding sleeve between the main shaft with output, sliding sleeve is controlled by the shift fork connecting rod mechanism, under the drive of shift fork connecting rod mechanism, slide over slippage on driving box input main shaft and the output main shaft, input main shaft and output are had between the main shaft engage and separate two states, with four wheel drive and the two-wheel drive of corresponding beach buggy.Because there are larger difference in the range of use of beach buggy and self structure feature and mid-get car, especially mid-get car control two drive and 4 wheel driven between the shift fork connecting rod mechanism changed, bulky because of it, handle complicated, alerting ability and poor reliability, be difficult to install and use at beach buggy, make above imagination can only rest on theory stage.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of beach buggy two-wheel drive and four wheel drive conversion driving unit, is mechanism so that the front-wheel of beach buggy adopts bridge, can select two-wheel drive or four wheel drive when needed.
Technical scheme of the present invention is as follows: a kind of beach buggy two-wheel drive and four wheel drive conversion driving unit, the driven worm gear engagement of one-level output worm screw and one-level, suit secondary driving gear on the axle of the driven worm gear of one-level, this secondary driving gear and the engagement of secondary driven gear, described secondary driven gear is sleeved on an end of secondary driven gear shaft, and the other end of this secondary driven gear shaft is set with output gear.
The invention solves mid-get car shift fork connecting rod mechanism because of bulky, handle complicated, alerting ability and poor reliability and can't be transplanted to a difficult problem on the beach buggy, make beach buggy adopt two-wheel drive or four wheel drive to become possibility.Changing the mounting structure of beach buggy front-wheel into bridge by traditional suspension fork mechanism is mechanism, bridge is to be connected by a transmission shaft between driving box and the driving engine of mechanism, and the input main shaft in the driving box can be connected by sliding sleeve between the main shaft with output, and sliding sleeve is connected with output gear among the present invention by sliding rack mechanism.
Volume of the present invention is small and exquisite, go slick, and except output gear, remainder is encapsulated in the housing, and housing is installed on the driving box again.The power of the present invention's running is provided by motor, and motor is controlled by change-over swith, operates very easy.Change-over swith can always change the magnetic direction of motor internal by the both positive and negative polarity that changes the motor received current, makes motor output shaft generation forward rotation or counter-rotating.When motor rotation, motor output shaft drives the rotation of one-level output worm screw, one-level output worm screw drive the driven worm gear of one-level and with it coaxial secondary driving gear rotate, the secondary driving gear drives the rotation of secondary driven gear again, make with the coaxial output gear of secondary driven gear to rotate, output gear by sliding rack mechanism drive slide on driving box input main shaft and the output main shaft mobile flexibly.Since the output shaft of motor can positive and negative two to rotation, turning to of output gear also has both direction, therefore can control slide on driving box input main shaft and the output main shaft before and after slippage, make to have between driving box input main shaft and the output main shaft to engage and separate two states.When driving box input main shaft is in joint with the output main shaft, the power of driving engine can be delivered to propons, make front-wheel that propulsive effort also be arranged, this moment, beach buggy adopted four wheel drive, strengthened the dynamic property of beach buggy greatly, effectively improved the crossing ability of beach buggy, made that beach buggy reaches mire more greatly in the gradient, frost boiling all can be travelled on the highway section smoothly; When driving box input main shaft and output main shaft are in when separating, have only trailing wheel that propulsive effort is arranged at this moment, beach buggy employing two-wheel drive, be suitable for condition of road surface preferably road travel.
Edge at the driven worm gear of above-mentioned one-level has external tooth, this external tooth and one-level output worm mesh, and the central authorities of the driven worm gear of one-level have internal tooth, described internal tooth and the engagement of secondary driving gear.Above structure guarantees that compact conformation between the driven worm gear of one-level and the secondary driving gear, volume are little, and the synchronism that turns round is good.
At above-mentioned secondary driven gear buffer substrate tablet is installed, this buffer substrate tablet is provided with the hangers towards output gear, the middle part fixing spring supporting blade of described secondary driven gear shaft, this spring supporting blade is provided with the journal stirrup towards the secondary driven gear, between described buffer substrate tablet and spring supporting blade, spring fixed seat is set, the spring fixed seat kink is on the secondary driven gear shaft, the outer end of this spring fixed seat is circumferentially spacing by the journal stirrup on the spring supporting blade, suit volute spring on described spring fixed seat, the inner and the spring fixed seat of this volute spring fix, and the outer end of volute spring is articulated on the hangers of described buffer substrate tablet.
Volute spring plays buffer deceleration, under the temporary transient not synchronous situation of spline of driving box input main shaft and output main shaft, during motor rotation, output gear can't rotate owing to clamping stagnation, spring fixed seat was blocked and can not be rotated by the spring supporting blade this moment, buffer substrate tablet slowly rolls tightly the volute spring ecto-entad with the rotation of secondary driven gear, and the commentaries on classics power that motor is spread out of condenses upon on the spring; When the spline of driving box input main shaft and output main shaft was synchronous, volute spring was upheld automatically, and commentaries on classics power is passed to output gear, thereby reaches the effect of conversion, has effectively prevented motor generation scaling loss, and safety is secure.
For simplified structure, the tooth on the above-mentioned secondary driven gear is circular arc and distributes; The secondary driven gear is sleeved on the secondary driven gear shaft by lining, free-running fit between lining and the secondary driven gear shaft, described buffer substrate tablet is sleeved on the lining, passes through riveted and fixed between buffer substrate tablet, lining and the secondary driven gear three, the three connects firm, and synchronism is good; And when output gear generation clamping stagnation, three and secondary driven gear shaft can relatively rotate, and volute spring is started working.
Be provided with two buckles that form by bending at above-mentioned buffer substrate tablet, two buckles and hangers are equicrural triangle and distribute, to ensure the stability of running; The overbending direction of each buckle is opposite with hangers, and buckle snaps in the through hole corresponding on the secondary driven gear.Buffer substrate tablet cooperates with the clamping of secondary driven gear by buckle, can effectively prevent from relatively rotating between the two.
In order to prevent that the spring supporting blade from rotating with respect to the secondary driven gear shaft, to ensure the buffer deceleration effect of volute spring, above-mentioned spring supporting blade is sleeved on the secondary driven gear shaft by square hole, passes through riveted and fixed between spring supporting blade and the secondary driven gear shaft.
Beneficial effect: the present invention have novel, volume is small and exquisite, easy and simple to handle, go slick, characteristics such as safety is good, it makes beach buggy select for use two-wheel drive or four wheel drive to become a reality according to actual conditions, and electronic control is adopted in the switching between two-wheel drive and the four wheel drive, not only convenient but also reliable, thus power power and the crossing ability of beach buggy improved greatly.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the scheme of installation of secondary driven gear among the present invention and buffer substrate tablet.
Fig. 4 is the structural representation of spring supporting blade.
Fig. 5 is the connection diagram of volute spring and spring fixed seat.
Scheme drawing when Fig. 6 works for volute spring.
Fig. 7 is encapsulation scheme drawing of the present invention.
Fig. 8 is use state reference map of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1 and Figure 2, driven worm gear 2 removable mountings of one-level have external tooth at the edge of the driven worm gear 2 of one-level on axle 3, this external tooth and 1 engagement of one-level output worm screw, and one-level output worm screw 1 is spatially vertical with axle 3; Central authorities at the driven worm gear 2 of one-level are provided with internal tooth, the end engagement of described internal tooth and secondary driving gear 4, and secondary driving gear 4 is sleeved on the axle 3, the other end of this secondary driving gear 4 and 5 engagements of secondary driven gear.
From Fig. 1, Fig. 2, shown in Figure 3, the tooth on the secondary driven gear 5 is circular arc and distributes, and secondary driven gear 5 is sleeved on the end of secondary driven gear shaft 6 by step lining 12, and the other end of secondary driven gear shaft 6 is set with output gear 7.Free-running fit between described lining 12 and the secondary driven gear shaft 6, suit buffer substrate tablet 8 on lining 12, this buffer substrate tablet 8 and output gear 7 are positioned at the same side of secondary driven gear 5, pass through riveted and fixed between secondary driven gear 5, lining 12 and buffer substrate tablet 8 threes, the three connects firm, and synchronism is good.Be provided with towards the hangers 8a of output gear 7 bending and towards two buckle 8b of secondary driven gear 5 bendings at buffer substrate tablet 8, two buckle 8b and hangers 8a are equicrural triangle and distribute, and each buckle 8b snaps in the through hole corresponding on the secondary driven gear 5.Buffer substrate tablet 8 cooperates with 5 clampings of secondary driven gear by buckle 8b, can effectively prevent from relatively rotating between the two.
From Fig. 1, Fig. 2, Fig. 4, shown in Figure 5, the mounting hole 9b of spring supporting blade 9 is square hole, and spring supporting blade 9 is sleeved on the middle part of secondary driven gear shaft 6 by this square hole, passes through riveted and fixed between spring supporting blade 9 and the secondary driven gear shaft 6.Be provided with the journal stirrup 9a that bends towards secondary driven gear 5 at spring supporting blade 9, journal stirrup 9a is positioned at the inboard of buffer substrate tablet hangers 8a.Between buffer substrate tablet 8 and spring supporting blade 9, spring fixed seat 10 is set, these spring fixed seat 10 kinks are on secondary driven gear shaft 6, by the step axial limiting on lining 12 and the secondary driven gear shaft 6, and the outer end of spring fixed seat 10 is circumferentially spacing by the journal stirrup 9a on the spring supporting blade 9.Suit volute spring 11 on described spring fixed seat 10, the inner of this volute spring 11 and spring fixed seat 10 connect and fix, and the outer end of volute spring 11 is articulated on the described buffer substrate tablet hangers 8a.
In order to make beach buggy can adopt four wheel drive when needed, changing the mounting structure of beach buggy front-wheel into bridge by traditional suspension fork mechanism is mechanism, and bridge is to be connected (propons and driving engine do not draw) by a transmission shaft between driving box 14 and the driving engine of mechanism.As Fig. 7, shown in Figure 8, the present invention is except output gear 7, and remainder is encapsulated in the housing 13, and housing 13 is installed on the driving box 14 again.The output shaft of the motor 15 in the one-level among the present invention is exported worm screw 1 and is installed in housing 13 is connected, the output shaft of motor 15 and one-level output worm screw 1 coaxial line.Output gear 7 among the present invention is connected with sliding sleeve 17 in the driving box 14 by sliding rack mechanism 16, and sliding sleeve 17 can be imported main shaft 18 and export slippage on the main shaft 19 at driving box.
The running of motor 15 is controlled by change-over swith, and change-over swith can always change the magnetic direction of motor internal by the both positive and negative polarity that changes motor 15 received currents, makes motor 15 output shaft generation forward rotation or counter-rotatings.When motor 15 runnings, motor output shaft drives 1 rotation of one-level output worm screw, one-level output worm screw 1 drive the driven worm gear 2 of one-level and with it coaxial secondary driving gear 4 rotate, secondary driving gear 4 drives 5 rotations of secondary driven gear again, make with the coaxial output gear 7 of secondary driven gear 5 to rotate, output gear 7 drives sliding sleeves 17 by sliding rack mechanism 16 and slides at driving box input main shaft 18 and output main shaft 19.Since the output shaft of motor can positive and negative two to rotation, turning to of output gear 7 also has both direction, therefore can control sliding sleeve 17 slippage before and after on driving box input main shaft 18 and the output main shaft 19, make under the effect of sliding sleeve 17, to have between driving box input main shaft 18 and the output main shaft 19 to engage and separate two states.When driving box input main shaft 18 and output main shaft 19 are in when engaging, the power of driving engine can be delivered to propons, make front-wheel that propulsive effort also be arranged, this moment, beach buggy adopted four wheel drive, strengthened the dynamic property of beach buggy greatly, effectively improved the crossing ability of beach buggy, made that beach buggy reaches mire more greatly in the gradient, frost boiling all can be travelled on the highway section smoothly; When driving box input main shaft 18 and output main shaft 19 are in when separating, import main shaft 18 idle running this moment, can not be with transmission of power to exporting main shaft 19, beach buggy has only trailing wheel that propulsive effort is arranged, be suitable for condition of road surface preferably road travel.
When the button of pressing change-over swith, beach buggy is turned when changing 4 wheel driven into from two, under normal circumstances, secondary driven gear 5, buffer substrate tablet 8, spring fixed seat 10, volute spring 11, spring supporting blade 9 and output gear 7 rotate (Fig. 6 is shown as conter clockwise) synchronously with secondary driven gear shaft 6, output gear 7 drives sliding sleeve 17 by sliding rack mechanism 16 and slides to output main shaft 19 from driving box input main shaft 18, and driving box input main shaft 18 and output main shaft 19 are bonded together by sliding sleeve 17; But press the button of change-over swith, under the temporary transient not synchronous situation of spline of driving box input main shaft 18 and output main shaft 19, output gear 7 can't rotate owing to clamping stagnation, this moment, volute spring 11 began the effect of buffer deceleration, spring fixed seat 10 is blocked and can not be rotated by spring supporting blade journal stirrup 9a, buffer substrate tablet 8 is with secondary driven gear 5 left-hand revolution (see figure 6)s, buffer substrate tablet hangers 8a slowly rolls tightly volute spring 11 ecto-entads, the commentaries on classics power that motor is spread out of condenses upon on the spring 11, when the spline of driving box input main shaft 18 and output main shaft 19 is synchronous, volute spring 11 is upheld automatically, commentaries on classics power is passed to output gear 7, output gear 7 is moved by sliding rack mechanism 16 drive sliding sleeves 17, thereby reach the effect of conversion, and effectively prevented motor generation scaling loss, ensured the safety of conversion.
Claims (3)
1. a beach buggy two-wheel drive and four wheel drive conversion driving unit, it is characterized in that: one-level output worm screw (1) and the driven worm gear of one-level (2) engagement, axle (3) at the driven worm gear of one-level (2) is gone up suit secondary driving gear (4), this secondary driving gear (4) and secondary driven gear (5) engagement, tooth on the described secondary driven gear (5) is circular arc and distributes, secondary driven gear (5) is sleeved on an end of secondary driven gear shaft (6) by lining (12), free-running fit between lining (12) and the secondary driven gear shaft (6), the other end of this secondary driven gear shaft (6) is set with output gear (7); At described secondary driven gear (5) buffer substrate tablet (8) is installed, this buffer substrate tablet (8) is sleeved on the lining (12), buffer substrate tablet (8), pass through riveted and fixed between lining (12) and secondary driven gear (5) three, be provided with hangers (8a) towards output gear (7) at buffer substrate tablet (8), the middle part fixing spring supporting blade (9) of described secondary driven gear shaft (6), this spring supporting blade (9) is provided with the journal stirrup (5a) towards secondary driven gear (5), between described buffer substrate tablet (8) and spring supporting blade (9), spring fixed seat (10) is set, spring fixed seat (10) kink is on secondary driven gear shaft (6), the outer end of this spring fixed seat (10) is circumferentially spacing by the journal stirrup (9a) on the spring supporting blade (9), go up suit volute spring (11) at described spring fixed seat (10), the inner of this volute spring (11) and spring fixed seat (10) fix, and the outer end of volute spring (11) is articulated on the hangers (8a) of described buffer substrate tablet (8); Be provided with two buckles that form by bending (8b) at described buffer substrate tablet (8), two buckles (8b) are equicrural triangle with hangers (8a) and distribute, the overbending direction of each buckle (8b) is opposite with hangers (8a), and buckle (8b) snaps in the last corresponding through hole of secondary driven gear (5).
2. beach buggy two-wheel drive according to claim 1 and four wheel drive conversion driving unit, it is characterized in that: the edge of the driven worm gear of described one-level (2) has external tooth, this external tooth and one-level output worm screw (1) engagement, the central authorities of the driven worm gear of one-level (2) have internal tooth, described internal tooth and secondary driving gear (4) engagement.
3. beach buggy two-wheel drive according to claim 1 and four wheel drive conversion driving unit, it is characterized in that: described spring supporting blade (9) is sleeved on the secondary driven gear shaft (6) by square hole, passes through riveted and fixed between spring supporting blade (9) and the secondary driven gear shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810069308 CN101497310B (en) | 2008-01-28 | 2008-01-28 | Transmission mechanism for conversion of two-wheel drive and four-wheel drive of beach vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810069308 CN101497310B (en) | 2008-01-28 | 2008-01-28 | Transmission mechanism for conversion of two-wheel drive and four-wheel drive of beach vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101497310A CN101497310A (en) | 2009-08-05 |
| CN101497310B true CN101497310B (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810069308 Expired - Fee Related CN101497310B (en) | 2008-01-28 | 2008-01-28 | Transmission mechanism for conversion of two-wheel drive and four-wheel drive of beach vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101497310B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4805472A (en) * | 1986-09-30 | 1989-02-21 | Aisin Seiki Kabushiki Kaisha | Rotary torque transmission apparatus for four-wheel drive vehicles |
| US4862989A (en) * | 1987-09-29 | 1989-09-05 | Aisin Seiki Kabushiki Kaisha | Two and four-wheel drive transfer device |
| CN201158312Y (en) * | 2008-01-29 | 2008-12-03 | 力帆实业(集团)股份有限公司 | Drive conversion transmission mechanism of beach vehicle |
-
2008
- 2008-01-28 CN CN 200810069308 patent/CN101497310B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4805472A (en) * | 1986-09-30 | 1989-02-21 | Aisin Seiki Kabushiki Kaisha | Rotary torque transmission apparatus for four-wheel drive vehicles |
| US4862989A (en) * | 1987-09-29 | 1989-09-05 | Aisin Seiki Kabushiki Kaisha | Two and four-wheel drive transfer device |
| CN201158312Y (en) * | 2008-01-29 | 2008-12-03 | 力帆实业(集团)股份有限公司 | Drive conversion transmission mechanism of beach vehicle |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-71806A 2000.03.07 |
| JP特开平7-179133A 1995.07.18 |
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| CN101497310A (en) | 2009-08-05 |
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