CN2844574Y - Reverse gear - Google Patents
Reverse gear Download PDFInfo
- Publication number
- CN2844574Y CN2844574Y CN 200520045026 CN200520045026U CN2844574Y CN 2844574 Y CN2844574 Y CN 2844574Y CN 200520045026 CN200520045026 CN 200520045026 CN 200520045026 U CN200520045026 U CN 200520045026U CN 2844574 Y CN2844574 Y CN 2844574Y
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- China
- Prior art keywords
- gear
- pto
- reverse
- driven gear
- clutch
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Abstract
The utility model discloses a kind of reverse gear, belong to field of mechanical technique.It has solved existing reverse gear complex structure, has used instability, has produced, assembles, keeped in repair inconvenient technical problem.This reverse gear comprises casing, is located at power input shaft and pto on the casing, be fixedly connected with reverse driving gear and forward driving gear on the described power input shaft respectively, on pto, be socketed with reverse driven gear and forward driven gear respectively, described reverse driven gear and forward driven gear axially locating on pto, oppositely driven gear is meshed with reverse driving gear, is provided with between forward driven gear and the forward driving gear and makes sense of rotation driving mechanism in the same way between the two; On the pto, forward driven gear and oppositely be provided with clutch between the driven gear, this clutch circumferentially is fixed on the pto, when clutch slides on pto can with forward driven gear or oppositely driven gear clutch mutually, described clutch links with the pull-fork assembly of being located on the casing.This reverse gear is simple in structure, good stability, load rating are big.
Description
Technical field
The utility model belongs to field of mechanical technique, relates in particular to a kind of motorcycle reverse gear.
Background technique
As the intermediary agency of mechanical power transmission, reverse gear has been widely used on motorcycle, beach buggy or the kart at present.Existing reverse gear mainly is to be provided with two cover power transmission mechanisms between two power transmission shafts, wherein a cover power transmission mechanism can be realized the forward output of power, another set of power transmission mechanism can be realized the reverse output of power, and two cover power transmission mechanisms are not worked simultaneously.Disclose a kind of reverse gear that is used on the motorcycle in the Chinese patent 200420032933.0, it is the reverse gear function that realizes motorcycle by mutual disengaging between planetary wheeling assembly and the sun gear assembly and engagement.The complex structure of this planetary wheeling assembly and sun gear assembly, processing, assembling, maintenance inconvenience, stability in use are bad; Simultaneously, because its pto just is positioned at a side of reverse gear, when this reverse gear is used for different automobile types, may gives and install inconvenience.
Summary of the invention
The purpose of this utility model is at above-mentioned technical problem, and a kind of reverse gear of novelty is provided, and it has simple and compact for structure, processing, assembling, easy to maintenance, and stability in use is good, and can realize two-way output.
The purpose of this utility model can realize by following technical proposals: a kind of reverse gear, comprise casing, be located at power input shaft and pto on the casing, it is characterized in that, be fixedly connected with reverse driving gear and forward driving gear on the described power input shaft respectively, on pto, be socketed with reverse driven gear and forward driven gear respectively, described reverse driven gear and forward driven gear axially locating on pto, oppositely driven gear is meshed with reverse driving gear, is provided with between forward driven gear and the forward driving gear and makes sense of rotation driving mechanism in the same way between the two; On the pto, forward driven gear and oppositely be provided with clutch between the driven gear, this clutch circumferentially is fixed on the pto, when clutch slides on pto can with forward driven gear or oppositely driven gear clutch mutually, described clutch links with the pull-fork assembly of being located on the casing.
In the utility model,, impel clutch on pto, to endwisely slip by operation to pull-fork assembly.When clutch and forward driven gear altogether the time, power passes to the forward driven gear by driving mechanism by the forward driving gear, and then give pto by clutch transmits, and the reverse driven gear of this moment dallies on power input shaft, and the sense of rotation of pto is identical with the sense of rotation of power input shaft; When clutch neither lumps together with the forward driven gear, when not lumping together with reverse driven gear yet, be the neutral position that clutch is in both, this moment, forward driven gear and reverse driven gear only dallied on pto, and pto does not rotate; When clutch lumps together with reverse driven gear, power passes to clutch by intermeshing reverse driving gear and reverse driven gear, and then pass to pto, and the forward driven gear of this moment dallies the sense of rotation of pto and the direction of rotation of power input shaft on pto.The forward output that this reverse gear both can have been realized power can realize the reverse output of power again, to satisfy the demand that vehicles such as motorcycle, beach buggy or kart move ahead or retreat.
In this reverse gear, described driving mechanism is made of the jack shaft and the fixedly sleeved intermediate gear on jack shaft that are located on the casing, this intermediate gear respectively with forward driving gear and the engagement of forward driven gear.Intermediate gear on the jack shaft can make power realize transmitting in the same way between forward driving gear and forward driven gear, adopt the form of intermediate gear can make transmission of power steadily reliable, bigger power can be transmitted, and the speed change transmission of power between pto and power input shaft can be realized.
In this reverse gear, described intermediate gear is made of first intermediate gear and second intermediate gear, first intermediate gear and the engagement of forward driven gear, second intermediate gear and the engagement of forward driving gear.Be provided with two intermediate gears, optimized the stressing conditions of jack shaft, improved the stability in use of jack shaft.
In described reverse gear, the outer circumferential face of described clutch is provided with annular recess, and the end of pull-fork assembly inserts in the described groove.In this way, pull-fork assembly and clutch are linked.In the clutch rotation process, pull-fork assembly does not rotate.
In described reverse gear, on the bi-side of clutch, be respectively equipped with at least one projection, be respectively equipped with corresponding shrinkage pool at forward driven gear and reverse driven gear near on the side of clutch, clutch is after sliding on the pto, and its projection can insert in the described shrinkage pool.Utilize projection to insert in the shrinkage pool, clutch can be accepted from the power on forward driven gear or the reverse driven gear, thereby passes to pto again.When clutch in rotating process, pull-fork assembly is connected in the groove on the clutch, and does not have influence on the rotation of clutch.
In this reverse gear, described pull-fork assembly comprises driving lever, rocking arm, rotating shaft, arm-tie, wherein in the groove on the driving lever insertion clutch outer circumferential face, rotating shaft is applied on the casing, fixedlying connected with an end of rocking arm in its inner, fixedlys connected with an end of arm-tie in the outer end, and driving lever is fixedly connected on the free end of rocking arm.When needing clutch on pto, to endwisely slip, pull arm-tie the driving lever drive clutch that is plugged in the clutch groove is endwisely slipped on pto, thereby can realize the rotation of pto different direction.
In this reverse gear, the free end of described arm-tie is provided with the plug screw of band cavity, is provided with pressure spring in the cavity of plug screw, is provided with ball in the outer end of pressure spring, and described ball is pressed in the tank recess set on the casing.In pulling the process of arm-tie, ball rolls in tank recess, and ball is pressed in the tank recess, helps the location of arm-tie on casing, prevented that effectively clutch from the course of the work unnecessary endwisely slipping can take place, improved the stability in use of this reverse gear.
In described reverse gear, casing is all stretched out at the two ends of described pto.Adopt this structure, it is very convenient that this reverse gear is installed when being applied to different automobile types.
Therefore, the beneficial effect of reverse gear of the present utility model is:
1, on pto, is provided with clutch, make it under the effect of shift fork, to endwisely slip, thereby realize the forward and backward of pto, the structure of this clutch is with respect to the structural type of planetary wheeling assembly, have simple in structure, production, assembling, easy to maintenance, stability in use is good.
2, pto can be realized rotation forward or backwards, has satisfied requirement in actual use.
3, adopt two intermediate gears between forward driving gear and the forward driven gear, it is stable that power is transmitted between forward driving gear and forward driven gear, and load rating is big, and can realize the speed change transmission of power.
Description of drawings
Fig. 1 is the schematic representation of reverse gear of the present utility model.
Fig. 2 is the A-A sectional view along Fig. 1.
Among the figure, 1, casing; 2, driving lever; 3, ball 4, pressure spring; 5, plug screw; 6, arm-tie; 7, caging bolt; 8, rotating shaft; 9, power input shaft; 10, forward driving gear; 11, reverse driving gear; 12, first intermediate gear; 13, second intermediate gear; 14, pto; 15, forward driven gear; 16, projection; 17, clutch; 18, shrinkage pool; 19, reverse driven gear; 20, jack shaft; 21, groove; 22, rocking arm; 23, sprocket wheel; 24, sprocket wheel retaining plate; 25, bolt.
Embodiment
By among Fig. 1 and Fig. 2 as can be seen, this frequency modulator mainly is made of casing 1, power driving module and pull-fork assembly.
Power driving module comprises power input shaft 9, the pto 14 that is located on the casing 1, is fixedly connected with forward driving gear 10 and reverse driving gear 11 on power input shaft 9 respectively.On pto 14, be socketed with forward driven gear 15 and reverse driven gear 19 respectively, forward driven gear 15 and reverse driven gear 19 axially locating on pto 14, and can on pto 14, rotate.Be provided with driving mechanism between above-mentioned forward driving gear 10 and the forward driven gear 15, this driving mechanism can make transmission of power its direction of back to the forward driven gear 15 on the forward driving gear 10 can not change.Oppositely driving gear 11 and oppositely engagement between the driven gear 19.
In the present embodiment, what above-mentioned driving mechanism adopted is intermediate gear, and forward driving gear 10 and forward driven gear 15 are gear, and intermediate gear meshes with forward driving gear 10 and forward driven gear 15 respectively.By among Fig. 2 as can be seen, on casing 1, be provided with jack shaft 20, above-mentioned intermediate gear is fixedly connected on the jack shaft 20, this intermediate gear is two, i.e. first intermediate gear 12 and second intermediate gear 13, wherein first intermediate gear 12 and 15 engagements of forward driven gear, second intermediate gear 13 and 10 engagements of forward driving gear.
On pto 14, also be provided with clutch 17, it is at forward driven gear 15 with oppositely between the driven gear 19, this clutch 17 is circumferentially fixing with respect to pto 14, and can on pto 14, endwisely slip, can adopt the structural type of spline to connect between clutch 17 and the pto 14.On the bi-side of clutch 17, be respectively equipped with at least one projection 16, projection 16 under the general situation on clutch 17 bi-side is respectively three, forward driven gear 15 and oppositely driven gear 19 be respectively equipped with shrinkage pool 18 near on the sides of clutch 17, projection 16 numbers on the number of one-sided shrinkage pool 18 and the clutch 17 on the close one side are consistent.When clutch 17 slided on axially at pto 14, projection 16 can be inserted in the described shrinkage pool 18.On the outer circumferential face of clutch 17, also be provided with annular recess 21.
As shown in Figure 1, pull-fork assembly comprises driving lever 2, rocking arm 22, rotating shaft 8, arm-tie 6, wherein in the annular recess 21 that driving lever 2 inserts on clutch 17 outer circumferential faces, rotating shaft 8 is applied on the casing 1, fixedlying connected with an end of rocking arm 22 in its inner, fixedlys connected with an end of arm-tie 6 in the outer end, and driving lever 2 is fixedly connected on the free end of rocking arm 22.Rotating shaft 8 can be rotated on casing 1, is provided with an annular groove on its outer circumferential face, and caging bolt 7 runs through casing 1, and its inner end withstands in this annular groove, can guarantee the axially locating of rotating shaft 8 on casing 1 like this.In order to improve clutch 17 stability in the course of the work, also can a fixedly connected plug screw 5 that has cavity on the free end of above-mentioned arm-tie 6, in the cavity of plug screw 5, be provided with pressure spring 4, be provided with a ball 3 in the outer end of pressure spring 4, this ball 3 is pressed under the effect of pressure spring 4 in casing set on the casing 11 groove.
As shown in Figure 2, casing 1 is all stretched out at the two ends of pto 14.Therefore, no matter which end all can be used as the output terminal of power, installs very convenient during application.In the present embodiment, sprocket wheel 23 of socket also in the end of pto 14, sprocket wheel 23 links by spline and pto 14, and a sprocket wheel retaining plate 24 that is fixed on the pto 14 is arranged in the outside of sprocket wheel 23, and sprocket wheel retaining plate 24 is connected by bolt 25 and sprocket wheel 23.Sprocket wheel 23 can connect with the rotating shaft of wheel by chain, by such structure, realizes power output.
Claims (10)
1, a kind of reverse gear, it comprises casing (1), be located at power input shaft (9) and pto (14) on the casing (1), it is characterized in that, be fixedly connected with reverse driving gear (11) and forward driving gear (10) on the described power input shaft (9) respectively, on pto (14), be socketed with reverse driven gear (19) and forward driven gear (15) respectively, described reverse driven gear (19) and forward driven gear (15) are gone up axially locating at pto (9), oppositely driven gear (19) is meshed with reverse driving gear (11), is provided with between forward driven gear (15) and the forward driving gear (10) and makes sense of rotation driving mechanism in the same way between the two; Go up at pto (14), be provided with clutch (17) between forward driven gear (15) and the reverse driven gear (19), this clutch (17) circumferentially is fixed on the pto (14), clutch (17) when pto (14) go up to slide can with forward driven gear (15) or oppositely driven gear (19) clutch mutually, described clutch (17) links with the pull-fork assembly of being located on the casing (1).
2, reverse gear according to claim 1, it is characterized in that, described driving mechanism is by the jack shaft (20) and the fixedly sleeved intermediate gear formation on jack shaft (20) that are located on the casing (1), and this intermediate gear meshes with forward driving gear (10) and forward driven gear (15) respectively.
3, reverse gear according to claim 2, it is characterized in that, described intermediate gear is made of first intermediate gear (12) and second intermediate gear (13), first intermediate gear (12) and forward driven gear (15) engagement, second intermediate gear (13) and forward driving gear (10) engagement.
4, reverse gear according to claim 1 is characterized in that, the outer circumferential face of described clutch (17) is provided with annular recess (21), and the end of pull-fork assembly inserts in the described groove (21).
5, reverse gear according to claim 1, it is characterized in that, on the bi-side of clutch (17), be respectively equipped with at least one projection (16), be respectively equipped with corresponding shrinkage pool (18) at forward driven gear (15) and reverse driven gear (19) near on the side of clutch (17), clutch (17) is after pto (9) is gone up slip, and its projection (16) can insert in the described shrinkage pool (18).
6, reverse gear according to claim 4, it is characterized in that, described pull-fork assembly comprises driving lever (2), rocking arm (22), rotating shaft (8), arm-tie (6), wherein in the groove (21) on driving lever (2) insertion clutch (17) outer circumferential face, rotating shaft (8) is applied on the casing (1), fixedlying connected with an end of rocking arm (22) in its inner, fixedlys connected with an end of arm-tie (6) in the outer end, and driving lever (2) is fixedly connected on the free end of rocking arm (22).
7, reverse gear according to claim 6, it is characterized in that, the free end of described arm-tie (6) is provided with the plug screw (5) of band cavity, be provided with pressure spring (4) in the cavity of plug screw (5), be provided with ball (3) in the outer end of pressure spring (4), described ball (3) is pressed in casing (1) and goes up in set casing (1) groove.
According to each described reverse gear of claim 1 to 7, it is characterized in that 8, casing (1) is all stretched out at the two ends of described pto (14).
9, according to each described reverse gear of claim 1 to 7, it is characterized in that, sprocket wheel of end socket (23) at pto (14), sprocket wheel (23) links by spline and pto (14), a sprocket wheel retaining plate (24) that is fixed on the pto (14) is arranged in the outside of sprocket wheel (23), and sprocket wheel retaining plate (24) is connected by bolt (25) and sprocket wheel (23).
10, reverse gear according to claim 8, it is characterized in that, sprocket wheel of end socket (23) at pto (14), sprocket wheel (23) links by spline and pto (14), a sprocket wheel retaining plate (24) that is fixed on the pto (14) is arranged in the outside of sprocket wheel (23), and sprocket wheel retaining plate (24) is connected by bolt (25) and sprocket wheel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520045026 CN2844574Y (en) | 2005-09-14 | 2005-09-14 | Reverse gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520045026 CN2844574Y (en) | 2005-09-14 | 2005-09-14 | Reverse gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2844574Y true CN2844574Y (en) | 2006-12-06 |
Family
ID=37486524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520045026 Expired - Fee Related CN2844574Y (en) | 2005-09-14 | 2005-09-14 | Reverse gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2844574Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758895A (en) * | 2011-04-23 | 2012-10-31 | 曾盛财 | Transmission force switching device combined with rotating shaft |
| CN105782429A (en) * | 2016-05-16 | 2016-07-20 | 中联重机股份有限公司 | Hydraulic power assembly |
| CN107416120A (en) * | 2017-07-21 | 2017-12-01 | 浙江钱江摩托股份有限公司 | A kind of reverse gear mechanism of motorcycle |
| CN110454568A (en) * | 2019-09-16 | 2019-11-15 | 秦皇岛浩洋机械制造有限公司 | A kind of energy-efficient three clutches bidirectional output gear-box |
-
2005
- 2005-09-14 CN CN 200520045026 patent/CN2844574Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758895A (en) * | 2011-04-23 | 2012-10-31 | 曾盛财 | Transmission force switching device combined with rotating shaft |
| CN105782429A (en) * | 2016-05-16 | 2016-07-20 | 中联重机股份有限公司 | Hydraulic power assembly |
| CN107416120A (en) * | 2017-07-21 | 2017-12-01 | 浙江钱江摩托股份有限公司 | A kind of reverse gear mechanism of motorcycle |
| CN110454568A (en) * | 2019-09-16 | 2019-11-15 | 秦皇岛浩洋机械制造有限公司 | A kind of energy-efficient three clutches bidirectional output gear-box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061206 Termination date: 20091014 |