CN214146538U - Engine with gear shifting system mechanism - Google Patents
Engine with gear shifting system mechanism Download PDFInfo
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- CN214146538U CN214146538U CN202022901486.XU CN202022901486U CN214146538U CN 214146538 U CN214146538 U CN 214146538U CN 202022901486 U CN202022901486 U CN 202022901486U CN 214146538 U CN214146538 U CN 214146538U
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Abstract
The utility model relates to a scooter engine gear shifting field specifically is an engine with shift system mechanism, including left crankcase body, shift drum assembly, gear cover, shift axle assembly, declutch shift axle, shift gear assembly and gear shift lever assembly, left crankcase body and gear cover threaded connection become an organic whole, and left crankcase body and gear cover are all seted up from left side to right in both and are respectively with shift gear assembly, declutch shift axle, shift drum assembly and shift axle assembly matched with supporting hole; the upper end of a gear shifting shaft assembly of the left crank shaft box body is connected with a gear shifting rod assembly, and a locking assembly is arranged below a gear shifting drum assembly on the left side of the gear shifting shaft assembly. The device has simple structure and reliable processing precision, utilizes simple gear transmission action, and finally outputs power to an output shaft through the operating lever, the gear shifting shaft assembly, the gear shifting drum assembly and the gear shifting gear assembly by the operating lever assembly to realize forward and backward. The operating system occupies small space, and is easy to operate and convenient to maintain.
Description
Technical Field
The utility model relates to a scooter engine gear shifting field specifically is an engine with gear shifting system mechanism.
Background
The dune buggy is an all-terrain vehicle, also known as an all-terrain four-wheeled off-road vehicle. The beach vehicle can be used for running on any terrain, and can freely run on the terrain which is difficult to maneuver by a common vehicle. The vehicle is simple and practical, the cross-country performance is good, and the appearance is generally without covering. On soft sand, the wide tire increases the contact area with the ground to generate larger friction force, and the tire is not easy to idle and slip and is easy to run on the sand by matching with the unique tire pattern. The beach vehicle with good quality and excellent performance can not only run on the beach; riverbeds, forest tracks, creeks and even worse deserts can be overcome easily. The function of the beach vehicle is achieved by carrying people or transporting articles.
At present, an engine used by a common beach scooter is not provided with a reverse gear executing mechanism, and the beach scooter can only move forward and cannot move back to operate when riding, so that the experience of beach riding enthusiasts is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engine with shift system mechanism solves the problem that the sand beach scooter can not arrive and move back in the above-mentioned background.
In order to achieve the above object, the utility model provides a following technical scheme:
an engine with a gear shifting system mechanism comprises a left crank shaft box body, a gear shifting drum assembly, a gear cover, a gear shifting shaft assembly, a shifting fork shaft, a gear shifting gear assembly and a gear shifting rod assembly, wherein the left crank shaft box body and the gear cover are connected into a whole through twelve bolts; a gear shifting shaft assembly is arranged on the right side inside the left crank shaft box body, the upper end of the gear shifting shaft assembly is connected with a gear shifting rod assembly for controlling different gears, and the gear shifting shaft assembly penetrates through a bearing hole in the gear cover to be connected with the gear shifting rod assembly; a gear shifting drum assembly is arranged in a left supporting hole of the gear shifting shaft assembly, and a locking component for locking the gear of the engine is arranged below the gear shifting drum assembly; a shifting fork shaft is arranged in a left supporting hole of the gear shifting drum assembly, and a shifting fork is fixedly arranged on the outer circle of the shifting fork shaft; an intermediate shaft gear shifting moving gear is arranged on the left side of the shifting fork, and the left end of the shifting fork is connected with the intermediate shaft gear shifting moving gear in a matched mode; the intermediate shaft gear shifting moving gear and the gear shifting gear assembly are coaxially arranged in a supporting hole on the left side of the shifting fork shaft.
As a further aspect of the present invention: the gear shifting rod assembly comprises a limiting plate, a gear shifting rod, a pin shaft, a gasket, a torsion spring, a gear shifting rod connector and a clamp spring; a limiting plate of the gear shifting rod assembly is connected with the left crankcase body through a limiting plate screw; the gear shifting rod penetrates through the limiting plate, and a pin shaft is arranged at the bottom of the gear shifting rod; the pin shaft is sleeved with a gasket, a torsion spring and a gear change rod connector, a hole is formed in the left end of the pin shaft, and the hole of the pin shaft is matched with the clamp spring to be connected with the gear change rod.
As a further aspect of the present invention: the inside of limiting plate is seted up "E" word shape's groove, and the inslot is equipped with from a left side to the right side and supplies the reverse gear groove, the idle groove of keeping off and the groove of keeping off that gos forward of gear shift lever shift operation.
As a further aspect of the present invention: the gear shifting shaft assembly comprises a gear shifting shaft and gear shifting shaft sector teeth; the gear shifting shaft is arranged on the supporting hole and is provided with gear shifting shaft sector teeth; the gear shifting rod connector and the gear shifting shaft assembly of the gear shifting rod assembly are provided with splines, the gear shifting rod connector and the gear shifting shaft assembly of the gear shifting rod assembly are in matched connection through the splines, and the lower part of the gear shifting rod connector of the gear shifting rod assembly is connected through screws.
As a further aspect of the present invention: the locking assembly comprises a limiting bolt, a spring and a limiting steel ball; a limiting bolt is arranged below the gear shift drum assembly, a spring is arranged in the limiting bolt, and a limiting steel ball is arranged at the other end of the spring; the edge of the gear shifting drum assembly is provided with a locking groove, and the limiting steel ball is in contact with the locking groove at the edge of the gear shifting drum assembly.
As a further aspect of the present invention: the gear shifting drum assembly comprises a gear shifting drum and a gear shifting drum sector gear; the gear shifting drum and the gear shifting drum sector gear are coaxially connected in a supporting hole on the left side of the gear shifting shaft; the left end of the gear shifting shaft sector gear is provided with a side gear which is engaged and connected with the gear shifting drum sector gear; one end of the shifting fork is provided with a guide pin, the edge of the shifting drum is provided with a cam-shaped shifting curve groove, and the shifting curve groove is matched with the guide pin of the shifting fork.
As a further aspect of the present invention: the other end of the shifting fork is provided with a clamp, the excircle of the intermediate shaft gear shifting moving gear is provided with a groove, and the clamp of the shifting fork is matched and connected with the groove of the intermediate shaft gear shifting moving gear.
As a further aspect of the present invention: and a reverse gear (26) and a forward gear (27) are respectively arranged at the left end and the right end of a rotating shaft of the intermediate shaft shifting mobile gear.
Compared with the prior art, the beneficial effects of the utility model are that:
in the engine with the gear shifting system mechanism, the gear shifting rod penetrates through the limiting plate, the shaft pin penetrates through the gasket, the torsion spring and the gear shifting rod connector and is connected with the gear shifting rod by the clamp spring to form a gear shifting rod assembly; a limiting plate of the gear shifting rod assembly is connected with the left box body through a screw; one end of each of the shift shaft assembly, the shift drum assembly and the shifting fork shaft is respectively arranged in a bearing hole on the left crank case body, the other end of each of the shift shaft assembly, the shift drum assembly and the shifting fork shaft is arranged in a bearing hole on the gear cover, the shift shaft assembly penetrates through the bearing hole on the gear cover and is connected with the shift operating rod assembly, the head of the shifting fork is provided with a clamp, a groove is arranged in the intermediate shaft shift moving gear for matching, and the connection is reliable; a limiting bolt is arranged in the left crank shaft box body, a spring is arranged in the limiting bolt, a limiting steel ball is arranged at the other end of the spring, the limiting steel ball is in contact with a locking groove at the edge of the gear shifting drum assembly, the forward gear, the reverse gear and the neutral gear corresponding to the gear shifting drum of the engine are locked, and the operation is more reliable.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural view of a front view of the transmission lever assembly of the present invention.
Fig. 3 is a schematic view of a partial structure of the middle locking assembly of the present invention.
Fig. 4 is a schematic view of the top view structure of the left crankcase and the gear cover of the present invention.
Fig. 5 is a schematic top view of the middle shift gear assembly according to the present invention.
Fig. 6 is the utility model discloses well limiting plate's enlarged structure schematic diagram.
In the figure: 1-left crankcase, 2-shift drum assembly, 3-gear cover, 4-limit plate, 5-reverse groove, 6-idle groove, 7-forward groove, 8-shift rod, 9-limit plate screw, 10-pin, 11-washer, 12-torsion spring, 13-shift rod connector, 14-shift shaft assembly, 15-screw, 16-shift shaft sector gear, 17-snap spring, 18-shift drum sector gear, 19-limit bolt, 20-spring, 21-limit steel ball, 22-shift fork shaft, 23-shift fork, 24-intermediate shaft shift moving gear, 25-shift gear assembly, 26-reverse gear, 27-forward gear, 28-bolt, 29-shift rod assembly, 30-shift shaft, 31-shift drum.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, in the embodiment of the present invention: an engine with a gear shifting system mechanism comprises a left crank shaft box body 1, a gear shifting drum assembly 2, a gear cover 3, a gear shifting shaft assembly 14, a shifting fork shaft 22, a gear shifting gear assembly 25 and a gear shifting rod assembly 29, wherein the left crank shaft box body 1 and the gear cover 3 are connected into a whole through twelve bolts 28, supporting holes matched with the gear shifting gear assembly 25, the shifting fork shaft 22, the gear shifting drum assembly 2 and the gear shifting shaft assembly 14 are formed in the left crank shaft box body 1 and the gear cover 3 from left to right, the gear shifting shaft assembly 14 is arranged on the right side in the left crank shaft box body 1, the upper end of the gear shifting shaft assembly 14 is connected with the gear shifting rod assembly 29 for controlling different gears, and the gear shifting shaft assembly 14 penetrates through the supporting holes in the gear cover 3 to be connected with the gear shifting rod assembly 29; a shift drum assembly 2 is arranged in a left supporting hole of the shift shaft assembly 14, a locking component for locking the gear of an engine is arranged below the shift drum assembly 2, a shifting fork shaft 22 is arranged in the left supporting hole of the shift drum assembly 2, a shifting fork 23 is fixedly arranged on the excircle of the shifting fork shaft 22, an intermediate shaft shift moving gear 24 is arranged on the left side of the shifting fork 23, and the left end of the shifting fork 23 is connected with the intermediate shaft shift moving gear 24 in a matched manner; the intermediate shaft shifting mobile gear 24 and the shifting gear assembly 25 are coaxially arranged in a bearing hole on the left side of the shifting fork shaft 22.
Example 2
Referring to fig. 1 to 6, the present embodiment is different from embodiment 1 in that:
in this embodiment, the gear shift lever assembly 29 includes limiting plate 4, gear shift lever 8, round pin axle 10, gasket 11, torsional spring 12, gear shift lever connector 13 and jump ring 17, limiting plate 4 of gear shift lever assembly 29 is connected with left crankcase 1 through limiting plate screw 9, gear shift lever 8 passes from limiting plate 4 is inside, and gear shift lever 8's bottom is equipped with round pin axle 10, cup jointed gasket 11, torsional spring 12 and gear shift lever connector 13 on the round pin axle 10, the left end of round pin axle 10 is equipped with the hole, and the hole cooperation jump ring 17 of round pin axle 10 links to each other with gear shift lever 8.
In this embodiment, the inside of limiting plate 4 is seted up the groove of "E" word shape, and the inslot is equipped with from a left side to the right side and supplies the reverse gear groove 5, neutral groove 6 and the groove 7 that advances that shift lever 8 shifted gear operation, and shift lever 8 removes in limiting plate 4 and confirms to keep off the position.
In this embodiment, the gear shift shaft assembly 14 includes the gear shift shaft 30 and the fan-shaped tooth of gear shift shaft 16, the gear shift shaft 30 sets up on the supporting hole, installs the fan-shaped tooth of gear shift shaft 16 on the gear shift shaft 30, the gear shift lever connector 13 and the gear shift shaft assembly 14 of gear shift lever assembly 29 all are equipped with the spline, and the gear shift lever connector 13 and the gear shift shaft assembly 14 of gear shift lever assembly 29 pass through spline fit connection, and the gear shift lever connector 13 below of gear shift lever assembly 29 passes through screw 15 to be connected, and gear shift shaft assembly 14 is driven by gear shift lever 8.
In this embodiment, the dead subassembly of lock is including spacing bolt 19, spring 20 and spacing steel ball 21, spacing bolt 19 is installed to shift drum assembly 2's below, installs spring 20 in the spacing bolt 19, and the spring 20 other end is equipped with spacing steel ball 21, shift drum assembly 2 edge is equipped with the locking groove, and spacing steel ball 21 contacts with the locking groove at shift drum assembly 2 edge, realizes that the engine shifts the locking that keeps off, reverse gear and neutral gear position that the drum 31 corresponds and advances fender, reverse gear and neutral gear position.
In this embodiment, shift drum assembly 2 includes shift drum 31 and shift drum sector gear 18, shift drum 31 and shift drum sector gear 18 coaxial coupling be in the left supporting hole of shift axle 30, the left end of shift axle sector gear 16 is equipped with the side tooth that cooperation shift drum sector gear 18 meshing is connected, the one end of shift fork 23 is equipped with the uide pin, and the edge of shift drum 31 is equipped with cam-shaped shift curve groove, shift curve groove with the uide pin of shift fork 23 cooperatees, and shift fork 23 transmits the process that the fender position switched.
In this embodiment, the other end of the shift fork 23 is provided with a clip, the outer circle of the intermediate shaft shift mobile gear 24 is provided with a groove, the clip of the shift fork 23 is matched and connected with the groove of the intermediate shaft shift mobile gear 24, the shift rod assembly 29 drives the shift shaft assembly 14 to rotate, the shift shaft assembly 14 drives the shift drum assembly 2 to rotate, the intermediate shaft shift mobile gear 24 is moved left and right through the shift fork 23, and the direction of the engine output device can be changed.
In this embodiment, the reverse gear 26 and the forward gear 27 are respectively disposed at the left and right ends of the rotating shaft of the intermediate shaft shifting mobile gear, and the left and right ends of the intermediate shaft shifting mobile gear 24 are respectively combined with the reverse gear 26 and the forward gear 27, or are separated from each other at the same time, so as to achieve the purpose of reverse gear, forward gear and neutral gear of the engine.
The utility model discloses a theory of operation is: the left crankcase body 1 is arranged on the left crankcase body 1 and is connected with a gear shifting shaft assembly on a gear cover 3, a gear shifting rod connector 13 of the left crankcase body 1 is connected with a spline of the gear shifting shaft assembly through a screw 15, a gear shifting shaft sector gear 16 is arranged on a gear shifting shaft 30, a gear shifting shaft assembly 14 is driven by a gear shifting rod 8, a side tooth of the gear shifting shaft sector gear 16 drives a gear shifting drum sector gear 18, the gear shifting drum sector gear 18 is arranged on a gear shifting drum 31, a cam-shaped gear shifting curve groove is arranged on the edge of the gear shifting drum 31 and is matched with a guide pin of a shifting fork 23, the shifting fork 23 is arranged on a shifting fork shaft 22, the guide pin of the shifting fork 23 is connected with the shifting fork 23, the shifting fork 23 drives a gear shifting moving gear 24, the middle shaft gear shifting moving gear 24 moves left and right due to the fact that the gear shifting rod 8 and components drive the gear shifting shaft 30 and the components to rotate, the gear shifting drum 31 and the components to rotate, so that the shift fork 23 drives the intermediate shaft shift moving gear 24 to move left and right, and as a result, the direction of the engine output device is changed. I.e. the right and left of the intermediate shaft shift mobile gear 24 are engaged with the forward gear 27 and the reverse gear 26, respectively, or disengaged simultaneously, for the purpose of forward, reverse and neutral gear of the engine.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (8)
1. The utility model provides an engine with shift system mechanism, includes left crankcase body (1), shift drum assembly (2), gear cover (3), shift axle assembly (14), declutch shift shaft (22), shift gear assembly (25) and gear shift lever assembly (29), its characterized in that:
the left crank case body (1) and the gear cover (3) are connected into a whole through twelve bolts (28), and bearing holes which are respectively matched with the gear shifting gear assembly (25), the shifting fork shaft (22), the gear shifting drum assembly (2) and the gear shifting shaft assembly (14) are formed in the left crank case body (1) and the gear cover (3) from left to right;
a gear shifting shaft assembly (14) is arranged on the right side inside the left crankcase body (1), the upper end of the gear shifting shaft assembly (14) is connected with a gear shifting rod assembly (29) for controlling different gears, and the gear shifting shaft assembly (14) penetrates through a bearing hole in the gear cover (3) to be connected with the gear shifting rod assembly (29);
a gear shifting drum assembly (2) is arranged in a left supporting hole of the gear shifting shaft assembly (14), and a locking assembly for locking the gear of an engine is arranged below the gear shifting drum assembly (2);
a shifting fork shaft (22) is arranged in a left supporting hole of the gear shifting drum assembly (2), and a shifting fork (23) is fixedly arranged on the excircle of the shifting fork shaft (22);
an intermediate shaft gear shifting moving gear (24) is arranged on the left side of the shifting fork (23), and the left end of the shifting fork (23) is connected with the intermediate shaft gear shifting moving gear (24) in a matched mode;
the intermediate shaft shifting moving gear (24) and the shifting gear assembly (25) are coaxially arranged in a supporting hole on the left side of the shifting fork shaft (22).
2. The engine with a gear shifting system mechanism according to claim 1, wherein the gear shifting rod assembly (29) comprises a limiting plate (4), a gear shifting rod (8), a pin shaft (10), a gasket (11), a torsion spring (12), a gear shifting rod connector (13) and a clamp spring (17);
a limit plate (4) of the gear shifting rod assembly (29) is connected with the left crankcase body (1) through a limit plate screw (9);
the gear shifting rod (8) penetrates through the limiting plate (4), and a pin shaft (10) is arranged at the bottom of the gear shifting rod (8);
the pin shaft (10) is sleeved with a gasket (11), a torsion spring (12) and a gear change rod connector (13), the left end of the pin shaft (10) is provided with a hole, and the hole of the pin shaft (10) is matched with a clamp spring (17) to be connected with a gear change rod (8).
3. The engine with a gear shifting system mechanism according to claim 2, characterized in that the inside of the limit plate (4) is provided with an E-shaped groove, and a reverse gear groove (5), a neutral gear groove (6) and a forward gear groove (7) for gear shifting operation of the gear shifting lever (8) are arranged in the groove from left to right.
4. The engine with a shift system mechanism according to claim 2, characterized in that the shift shaft assembly (14) includes a shift shaft (30) and shift shaft sector teeth (16);
the gear shifting shaft (30) is arranged on the supporting hole, and the gear shifting shaft (30) is provided with gear shifting shaft sector teeth (16);
the gear shifting rod assembly is characterized in that a gear shifting rod connector (13) and a gear shifting shaft assembly (14) of the gear shifting rod assembly (29) are respectively provided with a spline, the gear shifting rod connector (13) and the gear shifting shaft assembly (14) of the gear shifting rod assembly (29) are in matched connection through the splines, and the lower part of the gear shifting rod connector (13) of the gear shifting rod assembly (29) is connected through a screw (15).
5. The engine with a gear shifting system mechanism according to claim 4, characterized in that the locking assembly comprises a limit bolt (19), a spring (20) and a limit steel ball (21);
a limiting bolt (19) is arranged below the gear shift drum assembly (2), a spring (20) is arranged in the limiting bolt (19), and a limiting steel ball (21) is arranged at the other end of the spring (20);
the edge of the shift drum assembly (2) is provided with a locking groove, and the limiting steel ball (21) is in contact with the locking groove at the edge of the shift drum assembly (2).
6. The engine with a shifting system mechanism according to claim 4, characterized in that the shifting drum assembly (2) comprises a shifting drum (31) and a shifting drum sector gear (18);
the gear shifting drum (31) and the gear shifting drum sector gear (18) are coaxially connected in a supporting hole on the left side of the gear shifting shaft (30);
the left end of the gear shifting shaft sector gear (16) is provided with a side gear which is engaged and connected with the gear shifting drum sector gear (18);
one end of the shifting fork (23) is provided with a guide pin, the edge of the shifting drum (31) is provided with a cam-shaped shifting curve groove, and the shifting curve groove is matched with the guide pin of the shifting fork (23).
7. The engine with a shifting system mechanism according to claim 6, characterized in that the other end of the shift fork (23) is provided with a clip, the outer circle of the intermediate shaft shifting moving gear (24) is provided with a groove, and the clip of the shift fork (23) is matched and connected with the groove of the intermediate shaft shifting moving gear (24).
8. The engine with a shifting system mechanism according to claim 7, characterized in that the reverse gear (26) and the forward gear (27) are provided at the left and right ends of the rotation shaft of the intermediate shaft shifting mobile gear, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022901486.XU CN214146538U (en) | 2020-12-03 | 2020-12-03 | Engine with gear shifting system mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022901486.XU CN214146538U (en) | 2020-12-03 | 2020-12-03 | Engine with gear shifting system mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146538U true CN214146538U (en) | 2021-09-07 |
Family
ID=77584360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022901486.XU Active CN214146538U (en) | 2020-12-03 | 2020-12-03 | Engine with gear shifting system mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146538U (en) |
-
2020
- 2020-12-03 CN CN202022901486.XU patent/CN214146538U/en active Active
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