CN209164493U - Mechanical reduction gear and the dustbin for installing mechanical reduction gear - Google Patents
Mechanical reduction gear and the dustbin for installing mechanical reduction gear Download PDFInfo
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- CN209164493U CN209164493U CN201821402482.3U CN201821402482U CN209164493U CN 209164493 U CN209164493 U CN 209164493U CN 201821402482 U CN201821402482 U CN 201821402482U CN 209164493 U CN209164493 U CN 209164493U
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Abstract
The utility model provides a kind of mechanical reduction gear and installs the dustbin of mechanical reduction gear, including deceleration block, gear-driven assembly and motor, the inside of deceleration block has web, installs motor and gear-driven assembly respectively in the deceleration block of web two sides.Gear-driven assembly includes: input gear, one group of intermediate propeller shaft, a transmission output shaft, driving gear set and output gear.A first through hole and one group of intermediate transmission shaft mounting hole are opened up on one side plate of deceleration block, the top of web successively opens up first groove and one group of second groove；One end of transmission output shaft is mounted in first through hole, and the other end is mounted in the first groove, and one end of intermediate propeller shaft is mounted in intermediate transmission shaft mounting hole, and the other end is mounted in the second groove.Pressing plate is also set up on web.The mechanical reduction gear of the utility model, assembly precision is higher, easier to control, and structure simplifies, and assembles and be more convenient, and reduces production and installation cost, is suitable for miniature gears and is driven.
Description
Technical field
The utility model belongs to dustbin technical field, specifically, being about a kind of mechanical reduction gear and installation tooth
Take turns the dustbin of deceleration device.
Background technique
Retarder be it is a kind of by being enclosed in the intracorporal gear drive of rigid crust, worm-drive, pinion-endless screw transmission are formed
Individual components, using extremely wide in modern mechanical.Retarder it is many kinds of, gear can be divided into according to actuation types and subtracted
Fast device, worm reducer and planetary reducer.Being mainly characterized by of worm-gear speed reducer has the function of reverse self-locking, can
To there is a biggish reduction ratio, input shaft and output shaft not on the same axis, also not in the same plane.But general volume compared with
Greatly, transmission efficiency is not high, and precision is not high.Planetary reducer is its advantage is that structure is compact, and backhaul gap is small, precision is higher,
Service life is very long, and rated output torque can be made greatly, but price.Gear reduction unit has small in size, transmitting torque
Greatly, transmission efficiency is high, and consume energy low, superior performance, widely used, and positive and negative can operate.
The gear reduction unit for being commonly used in dustbin on the market at present all uses gear reduction box (also known as The gear deceleration
Device).Common gear reduction box is generally by deceleration block, train of reduction gears, intermediate propeller shaft group, transmission output shaft, deceleration
The composition such as cover plate, wherein there are two types of forms for the mounting structure of deceleration block and reduction gearbox cover board:
A kind of form: respectively there is half of intermediate transmission shaft mounting hole on the two sidewalls of deceleration block, corresponded on reduction gearbox cover board
Half of intermediate transmission shaft mounting hole is provided at position, deceleration block is coupled with reduction gearbox cover board, forms two completely
Intermediate transmission shaft mounting hole is to install transmission output shaft group.However, the blind hole of the mounting structure is located at deceleration block and reduction gearbox
The conjunction face that cover board matches, the block that needs to slow down just are able to achieve installation, installation center with the cooperation of the two components of reduction gearbox cover board
It is not high away from precision, it is not suitable for miniature gears transmission.
Another form: there is one group of complete intermediate transmission shaft mounting hole to install fixed conveyor output on deceleration block
One end of axis group, corresponding position is provided with one group of complete blind hole on reduction gearbox cover board, among one group on deceleration block
Shaft mounting hole is driven coaxially to install fixed conveyor output shaft group.The mounting structure is located at two decelerations due to two mounting holes
It is higher to deceleration block and the positioning requirements of reduction gearbox cover board on block and reduction gearbox cover board, it is easy to keep two mounting holes not coaxial,
Cause installation accuracy low.
Therefore, how to solve the problem of that the not high coaxial accuracy of existing gear reduction box installation accuracy cannot be guaranteed, together
When simplify gear reduction box structure, reduce gear reduction box cost, it is to be solved heavy to become professional and technical personnel in the field
Want technical problem.
Utility model content
First of the utility model is designed to provide a kind of mechanical reduction gear, in the prior art above-mentioned to overcome
Technical problem.
To achieve the above object, the utility model uses following technical scheme:
Mechanical reduction gear, including deceleration block, gear-driven assembly and motor, in which:
The inside of the deceleration block has web, installed in the deceleration block of the web two sides respectively motor and
Gear-driven assembly；
The gear-driven assembly includes: the input gear for being mounted on the motor shaft end of the motor, one group of centre biography
Moving axis, a transmission output shaft, the driving gear set being mounted on the intermediate propeller shaft, are mounted on the transmission output shaft
Output gear；
A first through hole and one group of intermediate transmission shaft mounting hole, the abdomen are opened up on one side plate of the deceleration block
The top of plate successively opens up first groove and one group of second groove, the intermediate transmission shaft mounting hole and second groove
Quantity of the quantity respectively with the intermediate propeller shaft match；The top opening of first groove exports for the transmission
Axis passes through, and first groove is matched with the outer diameter of the transmission output shaft, to guarantee the transmission output shaft described
It is not limited in one groove, it is free to rotate；The top opening of second groove passes through for the intermediate propeller shaft, described
Second groove is matched with the outer diameter of the intermediate propeller shaft, with guarantee the intermediate propeller shaft in second groove not by
Limitation, it is free to rotate；
Pressing plate is also set up on the web, the pressing plate includes level board and vertical panel, and the bottom surface of the level board is fixed
On the top surface of the web, to limit the circular runout of the intermediate propeller shaft and transmission output shaft；The vertical panel and institute
The side wall for stating web towards the motor matches, to limit the axial float of the intermediate propeller shaft and transmission output shaft.Institute
State the second through-hole for also opening up on vertical panel and passing through for the motor shaft.
Further, the end face of the motor is fixed on the vertical panel.
According to the utility model, the intermediate transmission shaft mounting hole is blind hole or step through-hole, and the step through-hole includes
Close to the step bore portion of the side plate interior sides, and the throughhole portions on the outside of the side plate, the throughhole portions will be described
Side plate perforation.
When the intermediate transmission shaft mounting hole is blind hole, although can one end effectively to the intermediate propeller shaft carry out
Limit, but when intermediate propeller shaft dismounting, it can only be removed from the inside of the side plate by the intermediate propeller shaft, for size
For lesser miniature gears deceleration device, dismounting is inconvenient.
Preferably, the intermediate transmission shaft mounting hole is step through-hole, and the step through-hole includes in the side plate
The step bore portion of side, and the throughhole portions on the outside of the side plate, the throughhole portions penetrate through the side plate.
At this point, the step bore portion is inserted into one end of the intermediate propeller shaft, limited by the step bore portion.When need
It, can be from the outside of the side plate by the throughhole portions, to the intermediate propeller shaft when dismantling the intermediate propeller shaft
End face force, so that the intermediate propeller shaft inwardly be ejected.The intermediate transmission shaft mounting hole uses the form of step through-hole,
It is ingenious in design, can not only one end effectively to the intermediate propeller shaft limit, and dismount it is very convenient.
Preferably, the bottom of first groove is with semicircular first bottom groove, first bottom groove
Coaxial with the first through hole, the internal diameter of first bottom groove is matched with the outer diameter of the transmission output shaft；To guarantee
The transmission output shaft is not limited in first bottom groove, free to rotate；The bottom of second groove is tool
There is semicircular second bottom groove, second bottom groove and the intermediate transmission shaft mounting hole are coaxial, second bottom
The internal diameter of portion's groove is matched with the outer diameter of the intermediate propeller shaft, to guarantee that the intermediate propeller shaft is recessed in second bottom
It is not limited in slot, it is free to rotate.
Semicircular first bottom groove improves the contact surface with the transmission output shaft and first bottom groove
Product, semicircular second bottom groove improve the contact area with the intermediate propeller shaft and second bottom groove, from
And improve the structural stability of mechanical reduction gear.
According to the utility model, the web connects the rear wall and antetheca of the deceleration block, thus by the reduction gearbox
The inside of seat is divided into two.In the case, the top of the web also opens up a third groove, the bottom of the third groove
Portion is matched with the outer diameter of the motor shaft, to guarantee that the motor shaft is not limited in the third groove, can freely be turned
It is dynamic；The top opening of the third groove passes through for the motor shaft.
Preferably, the bottom of the third groove is with semicircular third bottom groove, the third bottom groove
Internal diameter matched with the outer diameter of the motor shaft, to guarantee that the motor shaft is not limited in the third bottom groove,
It is free to rotate；The top opening of the third groove passes through for the motor shaft；The third bottom groove and described the
Two through-holes are coaxial.
Semicircular third bottom groove improves the contact area with the motor shaft and the third bottom groove, from
And improve the structural stability of mechanical reduction gear.
According to the utility model, several fixation holes are opened up on the web, are opened up on the level board and the fixation
The third through-hole of hole corresponding number, fixing piece pass through the third through-hole and the fixation hole, realize the web and the pressure
Plate is fixedly connected.
According to the utility model, the web towards on the side wall of the motor there are several to protrude from the side wall
Fixed column opens up the fixation hole at the top of the fixed column, there are several to protrude from described vertical on the vertical panel
The vertical recessed bar of plate；When the pressing plate is installed, the vertical recessed bar is embedded in the fixed column.
According to the utility model, after the transmission output shaft is mounted in first groove, first top is opened
The apical side height of the corresponding web is more than or equal to the top highest point of the transmission output shaft at mouthful, to prevent transmission output shaft
It is stuck；
The intermediate propeller shaft is mounted on after second groove, the corresponding web of second top open part
Top surface height be more than or equal to the intermediate propeller shaft top highest point, it is stuck to prevent intermediate propeller shaft group；
According to the utility model, the motor shaft is mounted on after the third groove, the third top open part pair
The height of the top surface for the web answered is more than or equal to the top highest point of the motor shaft, stuck to prevent motor shaft.
According to the utility model, first top opening, second top opening and the third top opening are equal
Two sides for oblong openings, oblong openings are vertical, and respectively with corresponding semicircular first bottom, the second bottom and
Third bottom is tangent.
According to the utility model, the first through hole and the intermediate transmission shaft mounting hole are in the corresponding deceleration block
Side plate inside have boss.
According to the utility model, the transmission output shaft and the output gear are fixedly mounted.It can be used in the prior art
Installation is fixed in conventional mode, such as: it is detachably fixed connection.It is described to be detachably fixed connection and use the prior art
In common mode, the transmission output shaft is tangentially fixed, and carry out radial and axial positioning.Such as: described
Processing type face on transmission output shaft, passes through Profile Connection.Or punched on the transmission output shaft, by pin with it is described defeated
Gear is fixed out, to transmit torque.
Preferably, the transmission output shaft and the output gear are integrally formed.The integrally formed structure can pass through
Powder metallurgical technique in the prior art is realized.The transmission output shaft and output gear worked it out by powder metallurgical technique be
The stem gear of one.
According to the utility model, the output end of the transmission output shaft is machined with type face.
The output end of the transmission output shaft is machined with type face, can to cooperate output movement and torque with extraneous part
To save the assembling link of the transmission output shaft and the extraneous part, so that higher transmission accuracy is obtained, the transmission
The torque of output shaft output is higher, longer life expectancy.
According to the utility model, the mechanical reduction gear further includes reduction gearbox cover board, and the reduction gearbox cover plate lid is closed
On the deceleration block, and it is fixedly connected with the deceleration block.
Reduction gearbox cover board can play isolation and seal gear, prevent dust from entering the inside of the deceleration block, realize and protect
Protect the purpose of gear.
According to the utility model, the rear end of the reduction gearbox cover board has buckle, phase on the end plate of the deceleration block
There is card slot, the buckle can be inserted into the card slot on the position answered；
The front end of the reduction gearbox cover board has fourth hole, and fixing piece passes through the fourth hole and squeezes into the pressing plate
It is interior, realize fixation of the reduction gearbox cover board on the deceleration block.
The reduction gearbox cover board is fixedly connected with mode with the deceleration block, using snapping connection, and only needs one
Fixation can be realized in fixing piece, assembles simple and quick.
In general, the fixing piece is screw.
According to this, the two sides of the reduction gearbox cover board are equipped with positioning convex platform, the positioning convex platform and the deceleration block
The inner wall of both side plate contacts.
Further, the reduction gearbox cover board includes front cover board, middle part cover board and rear cover disc, and the positioning convex platform is set
Set in the two sides of the middle part cover board, the front cover board is arranged in the end of the middle part cover board, and with the middle part cover board
Bending setting.
The rear cover disc and the middle part cover board are contacted with the both side plate of the deceleration block respectively, realize the deceleration
The sealing at the rear portion and middle part of block.The forward end seal of the gear-driven assembly is realized in the front cover board bending setting
The sealing of entire gear-driven assembly.
Further, front cover board bending setting vertical with the middle part cover board.
The rear cover disc and the middle part cover board are integrally formed, described to buckle the rear end bottom that the rear cover disc is arranged in
Portion, the fourth hole are provided on the middle part cover board.
Further, the front cover board and middle part cover board are integrally formed.
Further, the two sides of the bottom of the reduction gearbox cover board are additionally provided with positioning bar.
According to the utility model, the 4th groove is opened up on the rear wall of the mechanical reduction gear, the 4th groove is used
In installation travel switch.
According to the utility model, fifth hole is also opened up on the deceleration block, cabling is installed in the fifth hole
Corner brace, circuit line are passed through out of described cabling corner brace.
Second of the utility model is designed to provide a kind of dustbin, is equipped with above-mentioned mechanical reduction gear.
According to the utility model, the dustbin includes the staving of upper end opening, the upper end rotation connection with the staving
Big lid, and the top cover being rotatablely connected with the top of the big lid.
The installation mechanical reduction gear in the big lid.The big lid can be with the transmission of the mechanical reduction gear
Output shaft rotation connection.
Compared with prior art, the utility model has following advantageous effects:
1), the mechanical reduction gear of the utility model, installs the first through hole of described transmission output shaft one end, described in installation
The intermediate transmission shaft mounting hole of intermediate propeller shaft one end, and installation transmission output shaft, the intermediate propeller shaft other end the first groove,
Second groove is respectively positioned on deceleration block, i.e., on the same components, therefore only needs to control the geometric tolerance of deceleration block i.e.
Can, build-up tolerance is eliminated, keeps the assembly precision of mechanical reduction gear higher, and be easier to control.
2), the mechanical reduction gear of the utility model, structure simplifies, and the assembly of motor and gear-driven assembly is more square
Just, production and installation cost are reduced, is suitable for miniature gears and is driven.
Both 3), the mechanical reduction gear of the utility model, output gear and transmission output shaft are integrally formed, eliminate
Assembling link further improves transmission accuracy, and the torque of transmission output shaft output is higher, and the service life of transmission output shaft is more
It is long.
4), the dustbin of the utility model is mounted with the mechanical reduction gear of the utility model, improves installation accuracy,
Production cost is reduced, and is easier to control, service life extends.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the mechanical reduction gear of one embodiment of the utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural schematic diagram of the deceleration block of the mechanical reduction gear of the utility model.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the sectional view along A-A of Fig. 4.
Fig. 6 is the structural schematic diagram of pressing plate.
Fig. 7 is the structural schematic diagram top view that pressing plate is mounted with motor.
Fig. 8 is the cross-sectional view of the deceleration block along intermediate transmission shaft mounting hole horizontal section of the utility model.
Fig. 9 is the structural schematic diagram enlarged drawing of intermediate propeller shaft mounting hole part in Fig. 8.
Figure 10 is the structural schematic diagram of the mechanical reduction gear of second embodiment of the utility model, is mounted with reduction gearbox
Cover board.
Figure 11 is the structural schematic diagram of reduction gearbox cover board in Figure 10, looks up direction.
Figure 12 is the structural schematic diagram of the deceleration block of the third embodiment of the utility model.
Figure 13 is the structural schematic diagram of the deceleration block of the 4th embodiment of the utility model.
Figure 14 is the structural schematic diagram of the dustbin of the 5th embodiment of the utility model.
In figure:
1- deceleration block, 2- gear-driven assembly, 3- motor, 4- web, 5- pressing plate, 6- reduction gearbox cover board, 7- staving,
The big lid of 8-, 9- top cover, 11- side plate, 12- first through hole, 13- intermediate transmission shaft mounting hole, 14- boss, 15- end plate, 16-
Fifth hole, 17- reinforcing rib, 18- mounting post, 19- deceleration block mounting hole, 110- antetheca, 131- step bore portion, 132- are logical
Bore portion, 151- card slot, the 4th groove of 152-, 21- input gear, 22- intermediate propeller shaft, 23- transmission output shaft, 24- transmission
Gear set, 25- output gear, 231- type face, 31- motor shaft, the first groove of 41-, the second groove of 42-, 43- third groove, 44-
Fixation hole, 46- leading web, 47- trailing web, the gap 48-, the first bottom groove of 411-, is opened at the top of 412- first 45- fixed column
Mouth, the second bottom groove of 421-, the second top opening of 422-, 431- third bottom groove, 432- third top opening, 51- water
Plate, 52- vertical panel, 53- third through-hole, the second through-hole of 521-, the vertical recessed bar of 522-, 61- buckle, 62- fourth hole, 63-
Positioning protrusion, the front 64- cover board, the middle part 65- cover board, 66- rear cover disc, 67- positioning bar.
Specific embodiment
With reference to the accompanying drawing, the technical solution of the utility model is described in further detail with specific embodiment.It answers
Understand, following embodiment is merely to illustrate the utility model not for restriction the scope of the utility model.
As depicted in figs. 1 and 2, the mechanical reduction gear of one embodiment of the utility model, including deceleration block 1,
Gear-driven assembly 2 and motor 3, in which:
The inside of the deceleration block 1 has web 4, and the web 4 connects the rear wall 15 and antetheca of the deceleration block 1
110, so that 1 inner space of deceleration block is divided into two, the motor 3, the other side are installed in the side of the web 4
The gear-driven assembly 2 is installed.
The gear-driven assembly 2 includes: 21, one groups of input gear for being mounted on 31 end of motor shaft of the motor 3
Intermediate propeller shaft 22, transmission output shafts 23, the driving gear set 24 that is mounted on the intermediate propeller shaft 22, is mounted on institute
State the output gear 25 on transmission output shaft 23.
As shown in Figures 3 to 5, it is opened up in a first through hole 12 and one group on a side plate 11 of the deceleration block 1
Between be driven shaft mounting hole 13, the top of the web 4 successively opens up 41, one group of second groove 42 of first groove and one
Third groove 43；First groove 41 has semicircular first bottom groove 411 and the first top opening 412, and described the
One bottom groove 411 and the first through hole 12 are coaxial, and first top opening 412 is logical for the transmission output shaft 23
It crosses, the internal diameter of first bottom groove 411 is matched with the outer diameter of the transmission output shaft 23, to guarantee the transmission output
Axis 23 is not limited in first bottom groove 411, free to rotate；The intermediate transmission shaft mounting hole 13 and described
Quantity of the quantity of two grooves 42 respectively with the intermediate propeller shaft 22 matches, and second groove 42 has semicircular the
Two bottom grooves 421 and the second top opening 422, second bottom groove 421 and the intermediate transmission shaft mounting hole 13 are same
Axis, second top opening 422 pass through for the intermediate propeller shaft 22, the internal diameter of second bottom groove 421 and institute
The outer diameter for stating intermediate propeller shaft 22 matches, to guarantee that the intermediate propeller shaft 22 is not limited in second groove 42,
It is free to rotate；The third groove 43 has semicircular third bottom groove 431 and a third top opening 432, and described the
Three top openings 432 pass through for the motor shaft 31, and the internal diameter of the third bottom groove 431 is outer with the motor shaft 31
Diameter matches, free to rotate to guarantee that the motor shaft 31 is not limited in the third groove 43.
As shown in Fig. 1, Fig. 6 and Fig. 7, pressing plate 5 is also set up on the web 4, the pressing plate 5 includes level board 51 and hangs down
Straight panel 52, the bottom surface of the level board 51 are fixed on the top surface of the web 4, to limit the intermediate propeller shaft 22 and transmission
The circular runout of output shaft 23；The vertical panel 52 is matched with the side wall of the web 52 towards the motor 3, to limit
State the axial float of intermediate propeller shaft 22 and transmission output shaft 23；It also opens up in the vertical version 52 and is worn for the motor shaft 31
The second through-hole 521 crossed, second through-hole 521 and the third bottom groove 432 are coaxial.
The mechanical reduction gear of the utility model installs the first through hole 12 of described 23 one end of transmission output shaft, installs institute
The intermediate transmission shaft mounting hole 13 of 22 one end of intermediate propeller shaft is stated, and the transmission output shaft 23 and the intermediate propeller shaft are installed
The first groove 41 and the second groove 42 of 22 other ends are respectively positioned on the deceleration block 1, i.e., on the same components, therefore only
The geometric tolerance for needing to control prime number deceleration block 1, eliminates the build-up tolerance of two components, makes mechanical reduction gear
Assembly precision it is higher, and be easier to control.
Meanwhile the structure of the mechanical reduction gear simplifies, and the assembly of the motor 3 and gear-driven assembly 2 is more square
Just, production and installation cost are reduced, is suitable for miniature gears and is driven.
The equipment for being mounted with the mechanical reduction gear of the utility model, improves installation accuracy, reduces production cost, and
It is easier to control, the service life of equipment extends.
The utility model is to the specific structure of first groove 41, the second groove 42 and third groove 43 without special limit
System, as long as the transmission output shaft 23 can be put into, the intermediate propeller shaft 22 and the motor shaft 31.The transmission is defeated
Shaft 23 and the intermediate propeller shaft 22 are matched with first groove 41 and the second groove 42, first groove 41 and
Two grooves 42 do not limit the movement of the transmission output shaft 23 and the intermediate propeller shaft 22, but transmission output shaft 23 and it is described in
Between transmission shaft 22 can in first groove 41 and the second groove 42 can be rotated also not rotate.
According to the utility model, space size of the quantity of the intermediate propeller shaft according to the deceleration block, space shape
Shape, transmission ratio size can be increased and decreased.
Specific embodiment according to the present utility model, the intermediate propeller shaft 22 have 2, the corresponding intermediate propeller shaft
Mounting hole 13 has 2, and second groove 42 has 2.
The first through hole 12 is provided with the rear end of the side plate of the deceleration block 1,2 intermediate propeller shaft peaces
Dress hole 13 is successively provided with before the first through hole 12.
First groove 41, the second groove 42, the third groove 43 are successively from the rear end forward end of the web 4 point
Cloth.
As shown in Fig. 3, Fig. 5 to Fig. 7, according to the utility model, several fixation holes 44 are opened up on the web 4, it is described
Open up the third through-hole 53 with 44 corresponding number of fixation hole on level board 51, fixing piece (such as screw) passes through described the
Three through-holes 53 and the fixation hole 44 realize being fixedly connected for the web 4 and the pressing plate 5.
As shown in Fig. 1, Fig. 3 and Fig. 6, according to the utility model, the web 4 is towards having on the side wall of the motor 3
Several protrude from the fixed column 45 of the side wall, open up the fixation hole 44 at the top of the fixed column 45, described vertical
On plate 52 there are several to protrude from the vertical recessed bar 522 of the vertical panel 52；When the pressing plate 5 is installed, the vertical recessed bar
522 are embedded in the fixed column 45.
The structure that above-mentioned fixed column 45 is embedded in vertical recessed bar 522 improves the vertical panel 52 and the web 4
Mounting stability, the axial float and radial direction for further effectively controlling the intermediate propeller shaft 22 and the transmission output shaft 23 are jumped
It is dynamic.
As shown in Figure 1 and Figure 5, according to the utility model, the transmission output shaft 23 is mounted in first groove 41
After, the apical side height of the corresponding web 4 is more than or equal to the transmission output shaft 23 at first top opening 412
Top highest point, it is stuck to prevent the transmission output shaft 23.
The intermediate propeller shaft 22 is mounted on after second groove 42, corresponding at second top opening 421
The height of the top surface of the web 4 is more than or equal to the top highest point of the intermediate propeller shaft 22, to prevent the intermediate propeller shaft
Group 22 is stuck.
The motor shaft 31 is mounted on after the third groove 43, corresponding described at the third top opening 432
The height of the top surface of web 4 is more than or equal to the top highest point of the motor shaft 31, stuck to prevent the motor shaft 31.
As shown in figure 5, according to the utility model, first top opening 412, second top opening 422 and institute
Stating third top opening 432 is oblong openings, and the two sides of oblong openings are vertical, and respectively with it is corresponding semicircular
First bottom 411, the second bottom 421 and third bottom 431 are tangent.
As shown in figures 1 and 3, according to the utility model, the first through hole 12 and the intermediate transmission shaft mounting hole 13
There is boss 14 in the inside of the side plate 11 of the corresponding deceleration block 1.The boss 14 is to by the gear drive group
The side plate 11 of part 2 and the deceleration block 1 is kept apart, and to reduce contact friction force, improves the use of the mechanical reduction gear
Service life.
The boss 14 can be annular convex platform (such as round ring boss, rectangular annular boss), be also possible to several
Independent protrusion is distributed in the periphery of the first through hole 12 and the intermediate transmission shaft mounting hole 13.As long as can play institute
State the effect that the side plate 11 of gear-driven assembly 2 and the deceleration block 1 is kept apart.
As shown in figures 1 to 6, according to the utility model, the transmission output shaft 23 and the fixed peace of the output gear 25
Dress.
Mode conventional in the prior art can be used, installation is fixed, such as: it is detachably fixed connection.It is described detachable
The transmission output shaft 23 can tangentially be fixed, conduct of going forward side by side using mode commonly used in the prior art by being fixedly connected
To the positioning with axial direction.Such as: the processing type face on the transmission output shaft 23 passes through Profile Connection.Or in the transmission
It is punched on output shaft 23, it is fixed by pin and the output gear 25, to transmit torque.
Preferably, the transmission output shaft 23 is integrally formed with the output gear 25.The integrally formed structure can
It is realized by powder metallurgical technique in the prior art.The transmission output shaft and output gear worked it out by powder metallurgical technique
Wheel is integrated stem gear.
In the utility model, the mounting means of the transmission gear 24 and the intermediate propeller shaft 22, is the prior art
In usual manner.
As shown in Fig. 2, processing type face 231 on the output end of the transmission output shaft 23 according to the utility model.It is described
Type face 231 is processed on the output end of transmission output shaft 23, to cooperate Profile Connection, output movement and torsion with extraneous part
Square.
According to the utility model, the intermediate transmission shaft mounting hole be blind hole, as shown in Figure 3 and Figure 4 or step through-hole such as
Shown in Fig. 8 and Fig. 9.
When the intermediate transmission shaft mounting hole is blind hole, although can one end effectively to the intermediate propeller shaft 22 into
Row limit, but when intermediate propeller shaft dismounting, it can only be removed from the inside of the side plate by the intermediate propeller shaft, for ruler
For very little lesser miniature gears deceleration device, dismounting is inconvenient.
Preferably, as shown in Figure 8 and Figure 9, the intermediate transmission shaft mounting hole 13 is step through-hole, the step through-hole packet
The step bore portion 131 close to 11 inside of side plate, and the throughhole portions 132 close to 11 outside of side plate are included, it is described logical
Bore portion 132 penetrates through the side plate 11.
At this point, the step bore portion 131 is inserted into one end of the intermediate propeller shaft 22, by the step bore portion 131
Limit.It, can be right from the outside of the side plate 11 by the throughhole portions 132 when needing to dismantle the intermediate propeller shaft 22
The end face of the intermediate propeller shaft 22 exerts a force, thus by the inwardly ejection of intermediate propeller shaft 22.The intermediate propeller shaft installation
Hole 13 using step through-hole form, it is ingenious in design, can not only one end effectively to the intermediate propeller shaft 22 limit
Position, and dismount very convenient.
As shown in Figure 10, second embodiment of the utility model, the mechanical reduction gear basic structure and first
A embodiment is identical, and difference is: it further include reduction gearbox cover board 6, the lid of reduction gearbox cover board 6 closes on the deceleration block 1,
And it is fixedly connected with the deceleration block 1.
Reduction gearbox cover board 6 can play isolation and seal gear, prevent dust from entering the inside of the deceleration block 1, realize
Protect the purpose of gear.
As in figs. 3 and 11, according to the utility model, the rear end of the reduction gearbox cover board 6 has buckle 61, described to subtract
There is card slot 151, the buckle 61 can be inserted into the card slot 151 on the end plate 15 of fast block 1 on corresponding position.
The front end of the reduction gearbox cover board 6 has fourth hole 62, and fixing piece (such as screw) passes through the fourth hole
It 62 and squeezes into the pressing plate 5, realizes fixation of the reduction gearbox cover board 6 on the deceleration block 1.
The reduction gearbox cover board 6 is fixedly connected with mode with the deceleration block 1, using snapping connection, and only needs one
Fixation can be realized in a fixing piece, assembles simple and quick.
As shown in figure 11, according to the utility model, the two sides of the reduction gearbox cover board 6 are equipped with positioning convex platform 63, described fixed
Position boss 63 is contacted with the inner wall of the both side plate of the deceleration block 1, is realized the lateral register of the reduction gearbox cover board 6, can be limited
The reduction gearbox cover board 6 is made in the movement of side direction.
The setting of the positioning convex platform 63 reduces the lateral contact surface of the reduction gearbox cover board 6 and the deceleration block 1
Product, reduces the required precision to the reduction gearbox cover board 6.
Further, the reduction gearbox cover board 6 includes front cover board 64, middle part cover board 65 and rear cover disc 66, described fixed
The two sides of the middle part cover board 65 are arranged in position boss 63, and the end of the middle part cover board 65 is arranged in the front cover board 64,
And it is arranged with 65 bending of middle part cover board.
The rear cover disc 66 and the middle part cover board 65 are contacted with the both side plate of the deceleration block 1 respectively, realize institute
State the sealing at the rear portion and middle part of deceleration block 1.64 bending of the front cover board setting will be before the gear-driven assembly 2
End sealing, realizes the sealing of entire gear-driven assembly 2.
Further, the middle part cover board 65 is integrally formed with the front cover board 64.
Further, the rear cover disc 66 is integrally formed with the middle part cover board 65, and the buckle 61 is arranged described
The rear end bottom of rear cover disc 66, the fourth hole 62 are provided on the middle part cover board 65.
Further, the two sides of the bottom of the reduction gearbox cover board 6 are additionally provided with positioning bar 67.The positioning bar 67 with
The inner wall of the both side plate of the deceleration block 1 contacts, and can further limit the reduction gearbox cover board 6 in the movement of side direction, mention
High mounting stability and leakproofness.
As shown in Figure 1 to Figure 3, according to the utility model, there is reinforcing rib 17 on the bottom plate of the deceleration block 1.It is described
The setting of reinforcing rib 17 improves the structural strength of the deceleration block 1.
Several mounting posts 18 are opened up on the bottom plate of the deceleration block 1, and deceleration block peace is opened up in the mounting post 18
Fill hole 19.The deceleration block 1 passes through the deceleration block mounting hole 19 by fixing piece and is mounted on carrier.The carrier can
Think the staving of dustbin, or conventional in the prior art needs to use mechanical reduction gear, gear reduction box or The gear deceleration
In the carrier structure of device.The carrier is preferably dustbin.
As shown in figure 3, opening up the 4th groove 152, institute on the end plate 15 of the deceleration block 1 according to the utility model
It states at the 4th groove 152 for installing travel switch.
As shown in figure 3, according to the utility model, fifth hole 16 is also opened up on the side plate of the deceleration block 1, described
Cabling corner brace (not shown) is installed, circuit line is passed through out of described cabling corner brace in five through-holes 16.
The third groove 43 is opened up on the web 4, so that the motor shaft 31 passes through, it's not necessary.
As shown in figure 12, the third embodiment of the utility model, the mechanical reduction gear basic structure and first
A embodiment is identical, and difference is:
Only rear end is connect the web 4 with the rear wall 15 of the deceleration block 1.The leading portion of the vertical panel 52 of the pressing plate 5
Beyond the web 4, the vertical panel 52 opens up second through-hole 521 on the part beyond the web 4.At this point, nothing
The third groove 43 passed through for the motor shaft 31 need to be opened up.
The end face of the motor 3 is fixedly mounted on the vertical panel 52, and the motor shaft 31 passes through second through-hole
521, the input gear 21 is fixed on the end of the motor shaft 31.
When installation, the transmission output shaft and the intermediate propeller shaft are first installed, it then can be by the motor shaft of the motor 3
31 pass through second through-hole 521, then the input gear 21 is fixedly mounted in the end of the motor shaft 31, finally will be described
The level board 51 of pressing plate 5 is pressed in the top surface of the web 4, is fixed by fixing piece, and the vertical panel 52 is leaned on the web 4
The side wall of the nearly motor 3 is close to, and realization matches.
It can also install in this way, the transmission output shaft and the intermediate propeller shaft are first installed, then in the motor shaft
31 end is fixedly mounted the input gear 21, then the motor shaft 31 with the input gear 21 is passed through described the
The level board 51 of the pressing plate 5 is finally pressed in the top surface of the web 4, is fixed by fixing piece by two through-holes 521, described to hang down
Side wall of the straight panel 52 with the web 4 close to the motor 3 is close to, and realization matches.
The mechanical reduction gear of the present embodiment may also comprise the reduction gearbox cover board 6 of second embodiment.
As shown in figure 13, the 4th embodiment of the utility model, the mechanical reduction gear basic structure and first
A embodiment is identical, and difference is:
The web 4 can also be divided into leading web 46 and trailing web 47, the rear end of the trailing web 47 and the reduction gearbox
The rear wall 15 of seat 1 is fixedly connected, and the front end of the leading web 46 is fixedly connected with the antetheca 110 of the deceleration block 1, before described
There is gap 48, the length of the vertical panel 52 is more than the trailing web, described vertical between web 46 and the trailing web 47
Plate 52 opens up second through-hole 521 at the corresponding position in the gap 48, and the gap 48 is worn for the motor shaft 31
It crosses.At this point, without the third groove 43 passed through for the motor shaft 31 is opened up.
Preferably, the vertical panel 52 can seal the gap 48.
The mechanical reduction gear of the present embodiment may also comprise the reduction gearbox cover board 6 of second embodiment.
5th embodiment of the utility model, provides a kind of dustbin for being equipped with above-mentioned mechanical reduction gear.
According to the utility model, the mechanical reduction gear is preferably mounted on dustbin.The dustbin is preferred
(and can be described as covering greatly) is renovated for the rubbish that goes out with automatic opening, can be dug upwards to take out refuse bag, out on rubbish flip lid
With top flip (and can be described as top cover), such as CN106927168A, disclosed dustbin.Certainly, the technology of this field
Personnel should be appreciated that the mechanical reduction gear of the present embodiment is not limited to be mounted on above-mentioned specific dustbin.
The mechanical reduction gear is clever situations such as the installation site on the dustbin can be according to specific application places
Variation living.The mechanical reduction gear is mounted on the internal or external of dustbin, and the suitable positions such as front, rear, left and right or top are equal
It can be realized the function of the utility model.
As shown in figure 14, a preferred embodiment according to the present utility model, the dustbin includes upper end opening
Staving 7, the big lid 8 with the upper end rotation connection of the staving 7, and the top cover 9 with the top rotation connection of the big lid 8.
The installation mechanical reduction gear in the big lid 8.
The big lid 8 can be rotatablely connected with the transmission output shaft 23 of the mechanical reduction gear.For example, in the biography
Driving gear is fixedly mounted on the output end of dynamic output shaft 23, is installed in the shaft of big lid 8 and driving gear cooperation
Driven gear is realized by gear drive and is rotatablely connected.
Installation site and the mechanical reduction gear and institute of the mechanical reduction gear on the big lid 8 are not limited
State the rotation connection form of big lid 8.
For being not provided with the dustbin covered greatly, the mechanical reduction gear be may be provided on the staving of dustbin.The tooth
The bung of the output end and dustbin of taking turns the transmission output shaft 23 of deceleration device is rotatablely connected.
The dustbin of the utility model, when the mechanical reduction gear is run, the revolving speed of the motor shaft 31 passes through described
After driving gear set 24 is slowed down, movement and torque are exported by the transmission output shaft 23, the big lid 8 is driven to beat on and off
It closes.
Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, any that this practical is equal
Modifications and substitutions are also all among the scope of the utility model.Therefore, the institute under the spirit and scope for not departing from the utility model
The equal transformation and modification of work, should all cover in the scope of the utility model.
Claims (12)
1. mechanical reduction gear, including deceleration block, gear-driven assembly and motor, which is characterized in that wherein:
The inside of the deceleration block has web, installs motor and gear respectively in the deceleration block of the web two sides
Transmission component；
The gear-driven assembly include: the input gear for being mounted on the motor shaft end of the motor, one group of intermediate propeller shaft,
A piece transmission output shaft, the driving gear set being mounted on the intermediate propeller shaft, are mounted on defeated on the transmission output shaft
Gear out；
A first through hole and one group of intermediate transmission shaft mounting hole are opened up on one side plate of the deceleration block, the web
Top successively opens up first groove and one group of second groove, the number of the intermediate transmission shaft mounting hole and second groove
The quantity respectively with the intermediate propeller shaft is measured to match；The top opening of first groove is logical for the transmission output shaft
It crosses, first groove is matched with the outer diameter of the transmission output shaft；The top opening of second groove is in described
Between transmission shaft pass through, second groove is matched with the outer diameter of the intermediate propeller shaft；
Pressing plate is also set up on the web, the pressing plate includes level board and vertical panel, and the bottom surface of the level board is fixed on institute
It states on the top surface of web；The vertical panel is matched with the side wall of the web towards the motor, and is opened up for the motor
The second through-hole that axis passes through, the motor shaft pass through second through-hole.
2. mechanical reduction gear according to claim 1, which is characterized in that the intermediate transmission shaft mounting hole be blind hole or
Step through-hole, the step through-hole include the step bore portion close to the side plate interior sides, and logical on the outside of the side plate
Bore portion, the throughhole portions penetrate through the side plate.
3. mechanical reduction gear according to claim 1, which is characterized in that the bottom of first groove is with semicircle
First bottom groove of shape, first bottom groove and the first through hole are coaxial, the internal diameter of first bottom groove with
The outer diameter of the transmission output shaft matches；
The bottom of second groove is with semicircular second bottom groove, second bottom groove and the intermediate biography
Moving axis mounting hole is coaxial, and the internal diameter of second bottom groove is matched with the outer diameter of the intermediate propeller shaft.
4. mechanical reduction gear according to claim 1, which is characterized in that the top of the web also opens up a third
The bottom of groove, the third groove is matched with the outer diameter of the motor shaft；The top opening of the third groove is for institute
Motor shaft is stated to pass through.
5. mechanical reduction gear according to claim 1, which is characterized in that several fixation holes are opened up on the web,
Open up the third through-hole with the fixation hole corresponding number on the level board, fixing piece passes through the third through-hole and described solid
Determine hole, realizes being fixedly connected for the web and the pressing plate.
6. mechanical reduction gear according to claim 5, which is characterized in that the web is towards on the side wall of the motor
The fixed column that the side wall is protruded from several opens up the fixation hole, the vertical panel at the top of the fixed column
It is upper that there are several to protrude from the vertical recessed bar of the vertical panel；When the pressing plate is installed, the vertical recessed bar is embedded in described
Fixed column.
7. mechanical reduction gear according to claim 1, which is characterized in that the transmission output shaft is mounted on described first
After in groove, the height of the top surface of the corresponding web of the top open part of first groove is more than or equal to the transmission
The top highest point of output shaft；
The intermediate propeller shaft is mounted on after second groove, the corresponding abdomen of the top open part of second groove
The height of the top surface of plate is more than or equal to the top highest point of the intermediate propeller shaft.
8. mechanical reduction gear according to claim 1, which is characterized in that the first through hole and the intermediate propeller shaft
Mounting hole has boss in the inside of the side plate of the corresponding deceleration block.
9. mechanical reduction gear according to claim 1, which is characterized in that the transmission output shaft and the output gear
It is integrally formed.
10. mechanical reduction gear according to claim 1, which is characterized in that the output end of the transmission output shaft is processed
There is type face.
11. mechanical reduction gear according to claim 1 to 10, which is characterized in that further include gear box cover
Plate, the reduction gearbox cover plate lid conjunction are fixedly connected on the deceleration block, and with the deceleration block.
12. dustbin, which is characterized in that be mounted with mechanical reduction gear of any of claims 1-10, wherein institute
State the staving, the big lid with the upper end rotation connection of the staving that dustbin includes upper end opening, and the top with the big lid
The top cover of rotation connection；The installation mechanical reduction gear in the big lid, the institute of the big lid and the mechanical reduction gear
State transmission output shaft rotation connection；
Or, the dustbin includes the staving of upper end opening, bung, the mechanical reduction gear is arranged on the staving, institute
The output end and the bung for stating the transmission output shaft of mechanical reduction gear are rotatablely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821402482.3U CN209164493U (en) | 2018-08-29 | 2018-08-29 | Mechanical reduction gear and the dustbin for installing mechanical reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821402482.3U CN209164493U (en) | 2018-08-29 | 2018-08-29 | Mechanical reduction gear and the dustbin for installing mechanical reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164493U true CN209164493U (en) | 2019-07-26 |
Family
ID=67330341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821402482.3U Active CN209164493U (en) | 2018-08-29 | 2018-08-29 | Mechanical reduction gear and the dustbin for installing mechanical reduction gear |
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| Country | Link |
|---|---|
| CN (1) | CN209164493U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139808A (en) * | 2018-08-29 | 2019-01-04 | 上海拓牛智能科技有限公司 | Mechanical reduction gear and the intelligent garbage bin for installing mechanical reduction gear |
| CN113606299A (en) * | 2021-07-14 | 2021-11-05 | 嘉兴优加车业科技有限公司 | Stroller Gearbox Assembly |
| US11753241B2 (en) | 2019-12-31 | 2023-09-12 | Dreame Technology (shanghai) Co., Ltd. | Intelligent garbage can |
-
2018
- 2018-08-29 CN CN201821402482.3U patent/CN209164493U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139808A (en) * | 2018-08-29 | 2019-01-04 | 上海拓牛智能科技有限公司 | Mechanical reduction gear and the intelligent garbage bin for installing mechanical reduction gear |
| CN109139808B (en) * | 2018-08-29 | 2023-08-22 | 上海拓牛智能科技有限公司 | Gear reduction unit and install gear reduction unit's intelligent garbage bin |
| US11753241B2 (en) | 2019-12-31 | 2023-09-12 | Dreame Technology (shanghai) Co., Ltd. | Intelligent garbage can |
| CN113606299A (en) * | 2021-07-14 | 2021-11-05 | 嘉兴优加车业科技有限公司 | Stroller Gearbox Assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Gear reduction device and garbage bin for installing gear reduction device Effective date of registration: 20230720 Granted publication date: 20190726 Pledgee: CHUZHOU DONLIM ELECTRICAL APPLIANCE Co.,Ltd. Pledgor: SHANGHAI TOWNEW INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023990000367 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |