CN208900573U - Reduction gearbox transmission separating mechanism - Google Patents
Reduction gearbox transmission separating mechanism Download PDFInfo
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- CN208900573U CN208900573U CN201821534605.9U CN201821534605U CN208900573U CN 208900573 U CN208900573 U CN 208900573U CN 201821534605 U CN201821534605 U CN 201821534605U CN 208900573 U CN208900573 U CN 208900573U
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- linkage
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- protrusion
- rotating block
- section
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Abstract
The purpose of the utility model is to provide one kind to be able to achieve reduction gearbox transmission failure, the reduction gearbox transmission separating mechanism pushed under motor power blackout situation in order to electric wheelchair.To achieve the above object, the utility model adopts the following technical solution: a kind of reduction gearbox transmission separating mechanism, including cabinet, first axle and the second axis are equipped in the cabinet, linkage gear is arranged in the first axle, rotating block, movable block and fixed block, the linkage gear is used for the linkage of first axle and the second axis, the linkage gear is the transmission parts in gear-driven assembly or Worm Wheel System component or gear worm transmission component, the first axle includes linkage section and cooperation section, the linkage gear is rotatably set in cooperation section, the movable block is located in linkage section, and movable block can be along linkage section axial movement.
Description
Technical field
The utility model relates to reduction gearboxes, and in particular to a kind of reduction gearbox transmission separating mechanism.
Background technique
Existing reduction gearbox includes input shaft and output shaft, and input shaft is linked by transmission component and output shaft, transmission component
For gear-driven assembly or Worm Wheel System component or gear worm transmission component, certain self-lock force is all had.Carrying out electricity
Driving wheel Wheel-chair in use, due to reduction gearbox self-lock force, electric wheelchair be difficult to motor power off in the case where push.
Summary of the invention
The purpose of the utility model is to provide one kind to be able to achieve reduction gearbox transmission failure, in order to which electric wheelchair is disconnected in motor
The reduction gearbox transmission separating mechanism pushed in electric situation.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of reduction gearbox transmission separating mechanism, including
Cabinet is equipped with first axle and the second axis in the cabinet, be arranged in the first axle linkage gear, rotating block, movable block and
Fixed block, the linkage gear are used for the linkage of first axle and the second axis, and the linkage gear is gear-driven assembly or worm gear
Transmission parts in worm-drive component or gear worm transmission component, the first axle includes linkage section and cooperates section, described
Linkage gear is rotatably set in cooperation section, and the movable block is located in linkage section, and movable block can axially be moved along linkage section
Dynamic, described movable block one end is formed with linkage portion, and the linkage portion outer rim is located at movable block outer rim outer circumferential, described
Mutually matched linkage protrusion and linkage slot, axis of the linkage slot along first axle are formed in dynamic portion's axial face with linkage gear
The setting of line parallel lines, the movable block other end are formed with limiting section, and it is outside that the limiting section outer rim is located at movable block outer circumference
Side, the rotating block are set on the movable block and between limiting section and linkage portion, and the fixed block is set in activity
Block is outer and fixes with cabinet, and fixed block is formed with front and back through the through slot to step down to rotating block, and the fixed block is far from connection
Several first protrusions and several second protrusions are formed in the axial face of moving gear, the first protrusion and the second protrusion are arranged alternately simultaneously
Surround circle, direction is more and more thicker along rotating clockwise for the axial width of first protrusion, first protrusion it is clockwise
The axial face at rotation direction end is located on front side of the axial face of the second protrusion, the axis for rotating counterclockwise direction end of first protrusion
It is located on rear side of the axial face of the second protrusion to face, is formed with pivot protrusion on the rotating block, when rotating block rotates so as to rotate
Protrusion rotates counterclockwise direction end positioned at the first protrusion, and movable block and linkage gear link；When rotating block rotates so as to rotate
Protrusion rotates clockwise direction end side, a sidesway of the movable block along first axis far from linkage gear positioned at the first protrusion
It moves and makes the protrusion disengaging linkage slot that links.
Carry out the utility model reduction gearbox rotates rotating block in use, passing through, and carries out the relatively fixed block of rotating block suitable
Hour hands rotation, when the pivot protrusion of rotating block is moved in the second protrusion from the first protrusion, since the first protrusion is axial thick
After degree is compared with the second raised axial width, the side that rotating block can be axially distant from linkage gear is mobile, rotating block and limiting section phase
To drive movable block to move along a first axis, so that movable block is formed with certain distance between linkage gear, so that linkage is convex
It rises and deviates from out of linkage slot, so that movable block and linkage gear are detached from, so that movable block no longer links with linkage gear, so that the
The rotation of one axis can only drive the rotation of movable block, without that linkage gear can be driven to rotate, to realize transmission separation, so as to slow down
The first axle of case no longer with 2-axis linkage so that resistance is more when pushing away all dynamic using the electric wheelchair of the utility model reduction gearbox
It is low.Wherein, the specific location of the utility model structure is set as needed, first axle can be made as output shaft, first can also be made
Axis is as input shaft.Wherein, the axial limiting that linkage gear is carried out by existing various usual manners, can be by first axle
Upper formation step, between first axle and linkage gear be equipped with step oiliness bearing, with realize distich movable gear shaft to
The positioning at both ends.
When needing to realize the linkage of first axle and linkage gear, since the first protrusion and the second protrusion are to be arranged alternately
, it can proceed with the clockwise rotation of rotating block, so that rotating block protrusion is fallen in from the second protrusion in the first protrusion, due to
First raised axial width is increasingly thicker along clockwise direction, and pivot protrusion can fall in the first raised axial width thinnest part, with
Move rotating block close to the side of linkage gear along first axis, so that rotation block reset, so that rotating block pushes movable block
It is mobile to linkage gear side, so that movable block reset, so that linkage protrusion cooperates again in linkage slot, so that first axle and connection
Moving gear linkage.
Preferably, being arranged with spring in the first axle, one end and the rotating block of the spring are fixed, the spring
The other end is fixed with cabinet.
The reset of movable block is convenient in the setting of spring, is also used for displacement stroke on the axis of limitation movable block.
Preferably, second protrusion axial end face and the first protrusion rotate clockwise be formed between the end of direction it is fixed
Position slot, the positioning groove groove wall have the domatic structure to connect with the second raised axial face, and second protrusion deviates locating slot
Everywhere in axial width it is identical.
Above-mentioned setting is so that the axial movement displacement of the utility model rotating block is shorter, so that the utility model structure is more
It is compact, so that volume smallizationer that reduction gearbox can be done.
Preferably, the radial section outer rim of the cooperation section is rounded or discount vibram outlet shape, the linkage gear inner edge are in circle
Shape.Above-mentioned setting links to avoid linkage gear and first axle.
Preferably, the radial section of the linkage section is regular polygon, movable block inner edge shape and described first
Axis linkage section circumferential direction outer rim shape is identical；Or the linkage section is equipped with key, the movable block is formed with for cooperating the key
Keyway, the axial length of the keyway is greater than key length.Above-mentioned setting is so that movable block can be driven when first axle rotates
Rotation.
Preferably, the rotating block is equipped with handle, the handle is extended on the outside of cabinet.The setting of handle is convenient for making
Lock out operation and the combined operation of user progress movable block and linkage gear.
Preferably, the rotating block includes active rotating block and passive rotation block, the passive rotation block is limited in
Between limiting section and linkage portion, the passive rotation block includes one section and two sections of rotating block of rotating block, the pivot protrusion setting
On two sections of rotating block, two sections of outer diameters of rotating block are greater than one section of outer diameter of rotating block, and the active rotating block has before first axle
Perforative second through slot afterwards, the active rotating block are set on one section of rotating block, and the active rotating block is limited in spring
Between two sections of rotating block, it is equipped with and cooperates between the axial end face and two sections of rotating block of axial end face of the active rotating block
Ratchet mechanism.
Above-mentioned setting is so that active rotating block works as master only towards the movement that direction is just able to achieve pivot protrusion is rotated clockwise
Turn motion block counterclockwise so that when, active rotating block can only spin on passive rotation block, to avoid passive rotation block
It exerts a force to fixed block, to be protected to the utility model component structural stability.
Preferably, the pivot protrusion is cylindrical, the cambered surface of the pivot protrusion and the first raised axial face
Or the second axial face contact of protrusion.Above-mentioned setting is to reduce the contact area of pivot protrusion and fixed block, in order to rotating block
Rotation.
Preferably, the limiting section and movable block split settings, in a ring, the movable block is far from connection for the limiting section
Be fixed with circlip on one end of moving gear, the limiting section be limited in the axial face of circlip and rotating block far from linkage gear it
Between.Above-mentioned setting is assembled convenient for rotating block to be limited between limiting section and fixed part convenient for the utility model components.
The utility model, which has, is able to achieve reduction gearbox transmission failure, in order to which electric wheelchair is pushed away under motor power blackout situation
Dynamic advantage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram that the utility model removes cabinet；
Fig. 2 is the linkage gear of the utility model and a kind of structural schematic diagram of first axle cooperation；
Fig. 3 is a kind of structural schematic diagram of the movable block of the utility model；
Fig. 4 is the rotating block of the utility model and a kind of structural schematic diagram of movable block cooperation；
Fig. 5 is a kind of structural schematic diagram of the fixed block of the utility model；
Fig. 6 is the linkage gear of the utility model and a kind of structural schematic diagram of first axle linkage；
Fig. 7 is a kind of structural schematic diagram that the linkage gear of the utility model is mutually disengaged with movable block.
Specific embodiment
The utility model is further described below according to the drawings and specific embodiments.
As shown in Fig. 1 to Fig. 7, a kind of reduction gearbox transmission separating mechanism of the utility model, including cabinet 1 is set in cabinet 1
There are first axle 2 and the second axis, linkage gear 3, rotating block 4, movable block 5 and fixed block 6, linkage gear 3 are arranged in first axle 1
For the linkage of first axle 2 and the second axis, linkage gear 3 is gear-driven assembly or Worm Wheel System component or gear worm
Transmission parts in transmission component.
As shown in Fig. 1 to Fig. 4, first axle 1 includes linkage section 11 and cooperation section 12, and linkage gear 3, which is rotatably set in, matches
It closes in section 12,3 inner hole inner edge of linkage gear and first axle cooperation 12 outer rim of section are rounded, and movable block 4 is located in linkage section 11,
And movable block 4 can be moved axially along linkage section 11, movable block inner edge shape is identical as the circumferential outer rim shape of linkage section 11, and link section
11 radial section is regular hexagon.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 6, Fig. 7,5 one end of movable block is formed with linkage portion 51, linkage portion 51 and movable block 5
Fixed, 51 outer rim of linkage portion is located at 5 outer rim outer circumferential of movable block, is formed with phase with linkage gear 3 in 51 axial face of linkage portion
The linkage protrusion 52 and linkage slot 31 mutually cooperated, linkage slot 31 are arranged along the axis parallel lines of first axle 2.5 other end of movable block
It is formed with limiting section 53,53 outer rim of limiting section is located at 5 outer rim outer circumferential of movable block, and rotating block 4 is set on movable block 5 and position
Between limiting section 53 and linkage portion 52.Wherein, spring 7 is arranged in first axle 2, one end of spring 7 and rotating block 4 are fixed,
The other end and cabinet 1 of spring 7 are fixed.
Rotating block 4 include active rotating block 41 and passive rotation block 42, passive rotation block 42 be limited in limiting section 53 with
Between linkage portion 52, passive rotation block 42 includes one section 421 of rotating block and two section 422 of rotating block, and the setting of pivot protrusion 43 is turning
On two section 422 of motion block, two section of 422 outer diameter of rotating block is greater than one section of 411 outer diameter of rotating block, and active rotating block 41 has along first axle
2 pre-and post perforative second through slots, active rotating block 41 are set on one section 421 of rotating block, and active rotating block 41 is limited in bullet
Between spring 7 and two section 422 of rotating block, it is equipped between the axial end face and two section 422 of rotating block of axial end face of active rotating block 41
Mutually matched ratchet mechanism；
Rotating block 4 includes active rotating block 41 and passive rotation block 42, and active rotating block 41 is limited in spring 7 and passive
Between rotating block 42, mutually matched spine is equipped between the axial end face of active rotating block 41 and the axial end face of passive rotation block 42
Mechanism is taken turns, active rotating block 41 is equipped with handle 8, and handle 8 extends to 1 outside of cabinet, and cabinet 1 is formed with the arc stepped down to handle
Shape slot.
As shown in Fig. 1, Fig. 5 to Fig. 7, it is outer and fixed with cabinet 1 that fixed block 6 is set in movable block 5, and fixed block 6 is formed
Having front and back to be formed on the through slot to step down to rotating block 5, axial face of the fixed block 6 far from linkage gear 3, there are two first
Protrusion 61 and two the second protrusions 62, the first protrusion 61 and the second protrusion 62 are arranged alternately and surround circle, the first protrusion 61
Direction is more and more thicker along rotating clockwise for axial width, and the axial face for rotating clockwise direction end of the first protrusion 61 is located at second
On front side of the axial face of protrusion 62, the axial face for rotating counterclockwise direction end of the first protrusion 61 is located at the axial face of the second protrusion 62
Rear side.Rotating clockwise for the axial end face of second protrusion 62 and the first protrusion 61 is formed with locating slot 63 between the end of direction, positions
63 cell wall of slot has the domatic structure 631 to connect with the second raised 62 axial faces, and the second protrusion 62 deviates everywhere in locating slot 63
Axial width is identical.
As shown in Fig. 1, Fig. 6, Fig. 7, it is formed with pivot protrusion 43 on the passive rotation block 42 of rotating block 4, when rotating block 42
Rotate so that pivot protrusion 43 be located at the first protrusion 61 rotate counterclockwise direction end, movable block 5 and the linkage of linkage gear 2；When
Rotating block 4 rotate so that pivot protrusion 42 be located at the first protrusion 61 rotate clockwise direction end side, movable block 5 is along first axle 2
To the side movement far from linkage gear 3 and linkage protrusion 52 is made to be detached from linkage slot 31.Pivot protrusion 42 is cylindrical, rotates convex
Play 42 cambered surface and the first raised 61 axial faces or the axial face contact of the second protrusion 61.
As shown in Fig. 1, Fig. 4, Fig. 6, Fig. 7, limiting section 53 and 5 split settings of movable block, limiting section 53 in a ring, movable block
Circlip 54 is fixed on 5 one end far from linkage gear 3, limiting section 53 is limited in circlip 54 and rotating block 4 far from linkage tooth
Between the axial face of wheel 3.
Carry out the utility model reduction gearbox in use, by holding handle to rotate active rotating block, make rotating block phase
Fixed block is rotated clockwise, when the pivot protrusion of passive rotation block is moved in the second protrusion from the first protrusion,
Due to the first raised axial width compared with the second raised axial width after, rotating block can be axially distant from a sidesway of linkage gear
Dynamic, pivot protrusion can be fallen in locating slot, and rotating block offsets with limiting section to drive movable block to move along a first axis, so that movable
Block is formed with certain distance between linkage gear, so that linkage protrusion is deviate from out of linkage slot, so that movable block and linkage tooth
Wheel is detached from, so that movable block no longer links with linkage gear, so that the rotation of first axle can only drive the rotation of movable block, without
Linkage gear can be driven to rotate, with realize transmission separation so that the first axle of reduction gearbox no longer with 2-axis linkage.
When needing to realize the linkage of first axle and linkage gear, since the first protrusion and the second protrusion are to be arranged alternately
, it can proceed with the clockwise rotation of handle, so that rotating block protrusion is fallen in from the second protrusion in the first protrusion, due to
First raised axial width is increasingly thicker along clockwise direction, and pivot protrusion can fall in the first raised axial width thinnest part, with
Move rotating block close to the side of linkage gear along first axis, so that rotation block reset, so that rotating block pushes movable block
It is mobile to linkage gear side, so that movable block reset, so that linkage protrusion cooperates again in linkage slot, so that first axle and connection
Moving gear linkage.
The utility model, which has, is able to achieve reduction gearbox transmission failure, in order to which electric wheelchair is pushed away under motor power blackout situation
Dynamic advantage.
Claims (9)
1. a kind of reduction gearbox transmission separating mechanism, it is characterised in that including cabinet, first axle and the second axis are equipped in the cabinet,
Linkage gear, rotating block, movable block and fixed block are arranged in the first axle, the linkage gear is used for first axle and second
The linkage of axis, the linkage gear are the biography in gear-driven assembly or Worm Wheel System component or gear worm transmission component
Dynamic component, the first axle include linkage section and cooperation section, and the linkage gear is rotatably set in cooperation section, the activity
Block is located in linkage section, and movable block can be along linkage section axial movement, and described movable block one end is formed with linkage portion, the linkage
Portion's outer rim is located at movable block outer rim outer circumferential, is formed in the linkage portion axial face with linkage gear mutually matched
Linkage protrusion and linkage slot, the linkage slot are arranged along the axis parallel lines of first axle, and the movable block other end forms limited
Position portion, the limiting section outer rim are located at movable block outer rim outer circumferential, and the rotating block is set on the movable block and is located at
Between limiting section and linkage portion, the fixed block is set in outside movable block and fixes with cabinet, and fixed block is formed with front and back and passes through
The first through slot to step down to rotating block is worn, the fixed block is raised far from being formed with several first in the axial face of linkage gear
With several second protrusions, the first protrusion and the second protrusion are arranged alternately and surround circle, the axial width edge of first protrusion
Rotate clockwise that direction is more and more thicker, the axial face for rotating clockwise direction end of first protrusion is located at the axis of the second protrusion
On front side of to face, the axial face for rotating counterclockwise direction end of first protrusion is located on rear side of the axial face of the second protrusion, described
Pivot protrusion is formed on rotating block, when rotating block rotates so that pivot protrusion rotates counterclockwise direction positioned at the first protrusion
End, movable block and linkage gear link；When rotating block rotates so that pivot protrusion rotates clockwise direction positioned at the first protrusion
End side, the movable block move far from the side of linkage gear along first axis and make the protrusion disengaging linkage slot that links.
2. reduction gearbox transmission separating mechanism according to claim 1, it is characterised in that it is arranged with spring in the first axle,
One end of the spring is fixed with rotating block, and the other end and the cabinet of the spring are fixed.
3. reduction gearbox transmission separating mechanism according to claim 1, it is characterised in that the axial end face of second protrusion
Locating slot is formed between the end of direction with rotating clockwise for the first protrusion, the positioning groove groove wall has and the second protrusion axial face
The domatic structure to connect, it is identical that second protrusion deviates axial width everywhere in locating slot.
4. reduction gearbox transmission separating mechanism according to claim 1, it is characterised in that outside the radial section of the cooperation section
Edge is rounded or discount vibram outlet shape, the linkage gear inner edge are rounded.
5. reduction gearbox transmission separating mechanism according to claim 1, it is characterised in that it is described linkage section radial section be
Regular polygon, movable block inner edge shape are identical as first axle linkage section circumferential direction outer rim shape；Or in the linkage section
Equipped with key, the movable block is formed with the keyway for cooperating the key, and the axial length of the keyway is greater than key length.
6. reduction gearbox transmission separating mechanism according to claim 1, it is characterised in that the rotating block is equipped with handle, institute
Handle is stated to extend on the outside of cabinet.
7. reduction gearbox transmission separating mechanism according to claim 2, it is characterised in that the rotating block includes actively rotating
Block and passive rotation block, the passive rotation block are limited between limiting section and linkage portion, and the passive rotation block includes turning
One section and two sections of rotating block of motion block, the pivot protrusion is arranged on two sections of rotating block, and two sections of outer diameters of rotating block are greater than rotating block
One section of outer diameter, the active rotating block have along pre-and post perforative second through slot of first axle, and the active rotating block, which is set in, to be turned
On one section of motion block, the active rotating block is limited between spring and two sections of rotating block, the axial end of the active rotating block
Mutually matched ratchet mechanism is equipped between face and two sections of rotating block of axial end face.
8. reduction gearbox transmission separating mechanism according to claim 1, it is characterised in that the pivot protrusion is cylindrical, institute
State the cambered surface and the described first raised axial face or the axial face contact of the second protrusion of pivot protrusion.
9. reduction gearbox transmission separating mechanism according to claim 1, it is characterised in that the limiting section is seperated with movable block
Setting, in a ring, the movable block is limited the limiting section far from circlip, the limiting section is fixed on one end of linkage gear
System is between the axial face of circlip and rotating block far from linkage gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821534605.9U CN208900573U (en) | 2018-09-19 | 2018-09-19 | Reduction gearbox transmission separating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821534605.9U CN208900573U (en) | 2018-09-19 | 2018-09-19 | Reduction gearbox transmission separating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900573U true CN208900573U (en) | 2019-05-24 |
Family
ID=66572888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821534605.9U Active CN208900573U (en) | 2018-09-19 | 2018-09-19 | Reduction gearbox transmission separating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208900573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058316A (en) * | 2018-09-19 | 2018-12-21 | 浙江联宜电机有限公司 | Reduction gearbox transmission separating mechanism |
-
2018
- 2018-09-19 CN CN201821534605.9U patent/CN208900573U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058316A (en) * | 2018-09-19 | 2018-12-21 | 浙江联宜电机有限公司 | Reduction gearbox transmission separating mechanism |
| CN109058316B (en) * | 2018-09-19 | 2024-03-22 | 浙江联宜电机有限公司 | Transmission separating mechanism of reduction gearbox |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang yingluohua Lianyi import and Export Co.,Ltd. Assignor: ZHEJIANG LINIX MOTOR Co.,Ltd. Contract record no.: X2022330000070 Denomination of utility model: Reducer transmission separation mechanism Granted publication date: 20190524 License type: Common License Record date: 20220420 |