CN209164410U - A kind of output gear location structure of moped - Google Patents

Abstract

The utility model discloses a kind of output gear location structures of moped, including five logical main shafts and output gear；It is set with click on the five logical main shaft, the five logical main shaft is sequentially connected the output gear by click, first bearing and second bearing is further sleeved on the five logical main shaft, the click folder is between first bearing and second bearing；The outer ring of the first bearing and second bearing is set in the bearing hole of the output gear；The utility model it is compact-sized, multiple location structures realize the accurate positioning of each components, and equipment is made to run smoothly；Click folder plays the role of axially position between first bearing and second bearing, and then to click.

Description

A kind of output gear location structure of moped

Technical field

The utility model belongs to the output gear positioning knot of moped field more particularly to a kind of moped Structure.

Background technique

In moped five-way structure, often it is driven using click cooperation output gear, bicycle exists In bumpy sections driving process, output gear will receive vibration, thus unstable situation occurs, and then be easy to produce shaking, into And influence its service life.

Summary of the invention

Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of moped Output gear location structure.

Technical solution: to achieve the above object, a kind of output gear location structure of moped of the utility model, It is characterized by comprising five logical main shafts and output gears；Click is set on the five logical main shaft, the five logical main shaft is logical The click transmission connection output gear is crossed, is further sleeved with first bearing and second bearing on the five logical main shaft, it is described Click presss from both sides between first bearing and second bearing；The outer ring of the first bearing and second bearing is set in institute It states in the bearing hole of output gear；

It is additionally provided with retaining ring annular groove on the five logical main shaft, retaining ring, the five logical main shaft are provided in the retaining ring annular groove On be further sleeved with locating ring, the locating ring folder is between the retaining ring and the first bearing inner ring；The output gear Bearing hole close to one end of the second bearing be provided with limit inner edge；The outer ring side of the second bearing presses the limit Position inner edge.

Further, the first bearing and second bearing are deep groove ball bearing.

Further, described five logical main shafts successively include the first segment, second segment, third section, the of one in the axial direction Four sections, the 5th section, the 6th section, the 7th section and the 8th section；Sealing ring is set on the second segment, the retaining ring annular groove is located at institute It states on the 6th section, the first bearing, click and locating ring are sleeved on described 6th section；The second bearing suit On described 7th section.

Further, the first segment and the 8th section of upper installation pedal crank；Described 7th section and described between 6th section It is additionally provided with grinding undercut；The grinding undercut and it is 6th section described between form first shaft shoulder, on the left of the inner ring of the second bearing Portion presses first shaft shoulder.

Further, the two sides of the output gear further include left outside shell and right casing body, the left outside shell and right Outer housing is fastened and connected by seam allowance, and is additionally provided with clamping screw at the seam allowance cooperation；The wheel hub of the output gear Outer wall is rotatablely connected by the inner ring of 3rd bearing and the right casing body.

Further, the 4th section of described five logical main shafts outside is concentric is provided with outer cylinder, the cylinder inner wall of the outer cylinder with Gap setting between 4th section of outer wall of the five logical main shaft；The third section of the five logical main shaft is turned by oil-containing or needle bearing Left end in the cylinder of the dynamic connection outer cylinder.

Further, the 5th section of described five logical main shafts and it is 6th section described between form second shaft shoulder；Described five logical masters Thrust ball bearing with flat seat is set on the 5th section of axis, the right end of the thrust ball bearing with flat seat presses second shaft shoulder, institute The left end for stating thrust ball bearing with flat seat presses block machine on the right side of the cylinder inner wall of the outer cylinder；The right end integration of the outer cylinder connects institute State left outside shell.

The utility model has the advantages that the utility model is compact-sized, multiple location structures realize the accurate positioning of each component, make to set It is standby to run smoothly；Click folder plays axially position between first bearing and second bearing, and then to click Effect, first bearing and second bearing effectively play the effect of support and carrying to output gear at the same time, and the three of pawl Pawl uniform force prevents damage of the bumpy sections to click.

Detailed description of the invention

Attached drawing 1 just cuts open schematic diagram for this structure；

Attached drawing 2 is the partial sectional view of attached drawing 1；

Attached drawing 3 is the structural schematic diagram of five logical main shafts.

Specific embodiment

The utility model is further described with reference to the accompanying drawing.

A kind of output gear location structure of moped as shown in figure 1 and 2, including five logical main shafts 11 and output Gear 8；Click 38 is set on the five logical main shaft 11, the five logical main shaft 11 is sequentially connected by click 38 The output gear 8 is further sleeved with first bearing 12 and second bearing 17, the embodiment of the present invention on the five logical main shaft 11 One bearing 12 and second bearing 17 are deep groove ball bearing；The outer ring of the first bearing 12 and second bearing 17 is set in In the bearing hole of the output gear 8；Click 38 plays the role of transmission, and the clutch for playing five logical 11 positive and negative rotations of main shaft is made With；The folder of click 38 plays axially position between first bearing 12 and second bearing 17, and then to click 38 Effect, first bearing 12 and second bearing 17 effectively play the effect of support and the carrying to output gear 8 at the same time, effectively The bearing capacity for alleviating click 38, prevents damage of the bumpy sections to click 38.

It is additionally provided with retaining ring annular groove 40 on the five logical main shaft 11, retaining ring 42 is provided in the retaining ring annular groove 40, it is described Locating ring 39 is further sleeved on five logical main shafts 11, the folder of locating ring 39 is located at the retaining ring 42 and 12 inner ring of first bearing Between, locating ring 39 realizes the axially position of first bearing 12；The bearing hole of the output gear 8 is close to the second bearing 17 One end be provided with limit inner edge 8.1；The outer ring side of the second bearing 17 presses the limit inner edge 8.1；Described five is logical Main shaft 11 in the axial direction successively include one first segment 1.1, second segment 44, third section 45, the 4th section 46, the 5th section 47, 6th section 48, the 7th section 50 and the 8th section 1.2；Sealing ring 2 is set on the second segment 44, the retaining ring annular groove 40 is located at On described 6th section 48, the first bearing 12, click 38 and locating ring 39 are sleeved on described 6th section 48；It is described Second bearing 17 is sleeved on described 7th section 50；Pedal crank is installed on the first segment 1.1 and the 8th section 1.2；Described Seven section 50 and it is 6th section 48 described between be additionally provided with grinding undercut 49；The grinding undercut 49 and it is 6th section 48 described between form The inner ring left side of one shaft shoulder 87, the second bearing 17 presses first shaft shoulder 87；The limit inner edge 8.1 cooperates first axle The axially position of the realization second bearing 17 of shoulder 87；

The locating ring 39 of the present embodiment can be velocity sensor bracket, be additionally provided with magnetic on the velocity sensor bracket Steel, Hall element are fixed on the shell on the bracket left side, and central axis drives holder pivots, and Hall element cooperates to obtain with magnet steel The revolving speed of main shaft, is then emitted to controller for rotary speed information.

The two sides of the output gear 8 further include left outside shell 13 and right casing body 9, the left outside shell 13 and right casing Body 9 is fastened and connected by seam allowance 14, and is additionally provided with clamping screw 16 at 14 cooperation of the seam allowance；The wheel of the output gear 8 The outer wall of hub 8.2 is rotatablely connected by the inner ring of 3rd bearing 10 and the right casing body 9, the wheel hub 8.2 of output gear 8 it is interior Outside by bearing support, the transmission stability of its output gear 8 is improved, is using clamping screw on the basis of seam allowance 14 fastens 16, cooperated by seam allowance 14 and guarantee its assembly precision, then locked by clamping screw 16.

4th section of 46 outside of the five logical main shaft 11 is concentric to be provided with outer cylinder 71, the cylinder inner wall of the outer cylinder 71 and institute State gap setting between the 4th section of 46 outer walls of five logical main shafts 11；The third section 45 of the five logical main shaft 11 passes through oil-containing or needle roller Bearing 3 is rotatablely connected left end in the cylinder of the outer cylinder 71；The 5th section 47 of the five logical main shaft 11 and described between 6th section 48 Form second shaft shoulder 43；Thrust ball bearing with flat seat 7, the plane thrust ball are set on the 5th section 47 of the five logical main shaft 11 The right end of bearing 7 presses second shaft shoulder 43, and the left end of the thrust ball bearing with flat seat 7 presses the cylinder inner wall of the outer cylinder 71 Right side block machine 6；The right end integration of the outer cylinder 71 connects the left outside shell 13；7 bearing of thrust ball bearing realizes that this is five logical The axially position of main shaft 11, thrust ball bearing 7 can also reduce its gearing friction power simultaneously, improve its transmission efficiency.

The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications Also it should be regarded as the protection scope of the utility model.

Claims (7)

1. a kind of output gear location structure of moped, it is characterised in that: including five logical main shafts (11) and output gear (8)；It is set with click (38) on the five logical main shaft (11), the five logical main shaft (11) is driven by click (38) It connects the output gear (8), is further sleeved with first bearing (12) and second bearing (17) on the five logical main shaft (11), it is described Click (38) presss from both sides between first bearing (12) and second bearing (17)；The first bearing (12) and second bearing (17) outer ring is set in the bearing hole of the output gear (8)；

It is additionally provided with retaining ring annular groove (40) on the five logical main shaft (11), is provided with retaining ring (42) in the retaining ring annular groove (40), It is further sleeved with locating ring (39) on the five logical main shaft (11), the locating ring (39) folder is located at the retaining ring (42) and described the Between one bearing (12) inner ring；The bearing hole of the output gear (8) is limited close to the setting of one end of the second bearing (17) Position inner edge (8.1)；The outer ring side of the second bearing (17) presses the limit inner edge (8.1).

2. a kind of output gear location structure of moped according to claim 1, it is characterised in that: described first Bearing (12) and second bearing (17) are deep groove ball bearing.

3. a kind of output gear location structure of moped according to claim 1, it is characterised in that: described five is logical Main shaft (11) in the axial direction successively include one first segment (1.1), second segment (44), third section (45), the 4th section (46), 5th section (47), the 6th section (48), the 7th section (50) and the 8th section (1.2)；Sealing ring is set on the second segment (44) (2), the retaining ring annular groove (40) is located on the 6th section (48), the first bearing (12), click (38) and positioning Circle (39) is sleeved on the 6th section (48)；The second bearing (17) is sleeved on the 7th section (50).

4. a kind of output gear location structure of moped according to claim 3, it is characterised in that: described first Section (1.1) and the 8th section (1.2) on pedal crank is installed；It is additionally provided between 7th section (50) and the 6th section (48) Grinding undercut (49)；First shaft shoulder (87), the second bearing are formed between the grinding undercut (49) and the 6th section (48) (17) inner ring left side presses first shaft shoulder (87).

5. a kind of output gear location structure of moped according to claim 4, it is characterised in that: the output The two sides of gear (8) further include left outside shell (13) and right casing body (9), and the left outside shell (13) and right casing body (9) are logical It crosses seam allowance (14) to be fastened and connected, and is additionally provided with clamping screw (16) at the seam allowance (14) cooperation；The output gear (8) The outer wall of wheel hub (8.2) is rotatablely connected by the inner ring of 3rd bearing (10) and the right casing body (9).

6. a kind of output gear location structure of moped according to claim 5, it is characterised in that: described five is logical 4th section (46) outside of main shaft (11) is concentric to be provided with outer cylinder (71), the cylinder inner wall of the outer cylinder (71) and described five logical masters Gap setting between the 4th section of (46) outer wall of axis (11)；The third section (45) of the five logical main shaft (11) passes through oil-containing or needle roller Bearing (3) is rotatablely connected left end in the cylinder of the outer cylinder (71).

7. a kind of output gear location structure of moped according to claim 6, it is characterised in that: described five is logical The 5th section (47) of main shaft (11) forms second shaft shoulder (43) between the 6th section (48)；The of the five logical main shaft (11) It is set on five sections (47) thrust ball bearing with flat seat (7), the right end of the thrust ball bearing with flat seat (7) presses second shaft shoulder (43), the left end of the thrust ball bearing with flat seat (7) presses block machine (6) on the right side of the cylinder inner wall of the outer cylinder (71)；The outer cylinder (71) right end integration connects the left outside shell (13).