CN207500417U - A kind of gear - Google Patents
A kind of gear Download PDFInfo
- Publication number
- CN207500417U CN207500417U CN201721337587.0U CN201721337587U CN207500417U CN 207500417 U CN207500417 U CN 207500417U CN 201721337587 U CN201721337587 U CN 201721337587U CN 207500417 U CN207500417 U CN 207500417U
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- sprocket wheel
- confined planes
- axis
- connector sleeve
- chain
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Abstract
The utility model discloses a kind of gear, belong to including two the first shaftings parallel to each other and opposite, first shafting includes several transmission mechanisms, the transmission mechanism includes axis, sprocket wheel is set on the axis, the first connector sleeve is equipped between axis and sprocket wheel, axis and the first connector sleeve, the first connector sleeve and sprocket wheel are clearance fit, and axis and the first connector sleeve, the first connector sleeve and sprocket wheel are key connection；The first axle is connected between fastening two adjacent transmission mechanisms by the second connector sleeve, and the second connector sleeve is clearance fit with axis, and the second female connector is key connection with axis；The sprocket wheel that described two first axles are fastened is connected respectively by several chains；The utility model is designed reasonably, easily manufactured, can solving the problems, such as existing gear, there are volume is big, gear is few, accuracy of manufacture requirement is high.
Description
Technical field
The utility model is related to drive apparatus field more particularly to a kind of gears.
Background technology
There are the problem of volume is big, torque is small, gear number is few for existing parallel-axes gears gear；Existing row simultaneously
There are the problem of complicated, requirement on machining accuracy is high for star gear shift.
Utility model content
To solve the above problems, the utility model provides a kind of gear.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows：A kind of gear, including two mutually
The first parallel and opposite shafting, first shafting include several transmission mechanisms, and the transmission mechanism includes axis, the axis
On be set with sprocket wheel, between axis and sprocket wheel be equipped with the first connector sleeve, between axis and the first connector sleeve, the first connector sleeve and sprocket wheel are
Gap coordinates, and axis and the first connector sleeve, the first connector sleeve and sprocket wheel are key connection；The first axle fastens two adjacent transmissions
It is connected between mechanism by the second connector sleeve, the second connector sleeve is clearance fit with axis, and the second female connector is key connection with axis；It is described
The sprocket wheel that two first axles are fastened is connected respectively by several chains.
Preferably, the gear further includes the second shafting, third shafting, and second shafting includes two biographies
Motivation structure, two transmission mechanisms are connected by the second connector sleeve, and the third shafting includes two transmission mechanisms, two biographies
Motivation structure is connected by the second connector sleeve, and the second shafting connects one end of two the first shaftings, third by two chains respectively
Shafting connects the other end of two the first shaftings by two chains respectively.
Preferably, the sprocket wheel end face is equipped with ring set, ring set and sprocket wheel coaxial line, and ring set coordinates with shaft clearance.
Preferably, the axis passes through with the first connector sleeve and/or axis with the second connector sleeve and/or the first connector sleeve with sprocket wheel
Spline connects.
Preferably, the chain includes chain piece, pin, roller, and the side of sprocket wheel is equipped with a circle sprocket, and the two of the sprocket wheel
Face is equipped with limited block on a end face, and the limited block is circumferentially with a circle along sprocket wheel, the chain piece is equipped with protruding portion, chain
Item, sprocket wheel are meshed, and chain is consistent with sprocket engagement system, on described two limited blocks face be equipped with several confined planes,
Several described confined planes are circumferentially uniformly distributed along sprocket wheel, several described confined planes are disposed adjacent successively, the protruding portion tool
There are mating surface, confined planes described in the mating surface face, confined planes limit axial direction of the chain along sprocket wheel jointly with mating surface
It is mobile.
Preferably, the confined planes and/or the mating surface are inclined-plane, and the confined planes and/or the mating surface are uneven
Row and it is not orthogonal to sprocket wheel axis.
Further, the confined planes are plane, several described confined planes are arranged on the limited block in regular polygon
On, the confined planes are tilted backwards to sprocket wheel axis.
Preferably, when the confined planes quantity is infinite more, several described confined planes form the conical surface, the conical surface and chain
Take turns coaxial line, the big end of the conical surface outwardly or the small end of the conical surface outwardly, that is, the axial cross section of two confined planes be in V
Shape or inverted V-shaped.
Preferably, for chain when sprocket wheel axial direction moves, the mating surface is with the confined planes with point contact；For example,
The protruding portion is that mating surface is spherical surface or ellipsoid to spherical either elliposoidal at this time, and two mating surfaces limit respectively with two
Plane is in contact so that chain on sprocket wheel axial direction by the constraint of limited block so as to can not swing.
Preferably, when sprocket wheel axial direction moves, the mating surface is contacted chain with the confined planes with line, such as institute
It is that either trapezoidal either cylindrical mating surface at this time is the conical surface or plane or cylindrical surface to taper to state protruding portion, and two coordinate
Face is in contact with two confined planes so that chain on sprocket wheel axial direction by the constraint of limited block so as to can not swing.
Preferably, when sprocket wheel axial direction moves, the mating surface is contacted chain with the confined planes with face.
Certainly, the confined planes can be other shapes, for example, the axial cross section of the confined planes is groove, it is described to match
Conjunction face is the protrusion being adapted with the groove；Conversely, the axial cross section of the confined planes for protrusion, the mating surface for institute
State groove of the protrusion to adaptation.
Further, the upper/lower terminal of the protruding portion is symmetrically equipped with the mating surface, and two mating surfaces are about chain piece
The direction of motion is symmetrical.
Preferably, when the limited block is solid disk, the ring set can be limited block, and limited block is equipped with and between centers
The through-hole of gap cooperation.
Preferably, the protruding portion is arranged on the inside of chain piece or the protruding portion is arranged on the outside of chain piece.
Preferably, the limited block is independently of sprocket wheel.
Further, limited block can be arranged on the axis being connect with sprocket wheel or limited block is arranged on sprocket wheel and chain packet
Position or limited block at conjunction are positioned close to sprocket wheel and the position at chain inclusion.
The beneficial effects of the utility model are：
1st, by the setting of limited block and protruding portion, chain is made not swung on sprocket wheel along sprocket wheel axial direction, it can
Chain is effectively prevent to slide；
2nd, setting of the limited block along the circumferentially disposed circle of sprocket wheel, limited block and sprocket wheel coaxial line, playing is convenient for limited block
Processing and manufacturing, chain drive is steady, limited block is avoided to occur to block the effect for touching phenomenon with protruding portion；
3rd, confined planes are the conical surface, protruding portion is spherical, taper or trapezoidal setting, play confined planes processing and manufacturing side
What just, protruding portion shape was subject to constrains few benefit；
4th, confined planes are the setting of the plane perpendicular to sprocket wheel axis, equally play confined planes convenient processing and manufacture, protrusion
What portion's shape was subject to constrains few effect；
5th, the setting of the protruding portion of symmetrical structure, can ensure chain both sides simultaneously with sprocket engagement when, chain is two
It can be restrained on a sprocket wheel；
6th, the setting of limited block and protruding portion, limited block do not rub with protruding portion, can solve existing chain piece and sprocket
The friction of side；
7th, using the gear of chain drive, have the advantages that small, gear is more, torque is big.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment one；
Fig. 2 is the structure diagram of the utility model embodiment two；
Fig. 3 is transmission mechanism schematic diagram；
Fig. 4 is axle construction schematic diagram；
Fig. 5 is the first connecting jacket structure schematic diagram；
Fig. 6 is the second connecting jacket structure schematic diagram；
Fig. 7 is ring set, chain sprocket structure schematic diagram；
Fig. 8 is the utility model chain, sprocket wheel schematic diagram；
Fig. 9 is chain structure schematic diagram；
Figure 10 a are the chain that confined planes are 15, chain sprocket structure schematic diagram；
Figure 10 b be confined planes be the conical surface, protruding portion is spherical chain, a kind of structure diagram of sprocket wheel；
Figure 11 be confined planes be the conical surface, protruding portion is spherical chain, sprocket wheel another kind structure diagram；
Figure 12 be confined planes be the conical surface, protruding portion is the chain of elliposoidal, a kind of structure diagram of sprocket wheel；
Figure 13 be confined planes be the conical surface, protruding portion is the chain of elliposoidal, sprocket wheel another kind structure diagram；
Figure 14 be confined planes be the conical surface, protruding portion is the chain of taper, a kind of structure diagram of sprocket wheel；
Figure 15 be confined planes be the conical surface, protruding portion is the chain of taper, sprocket wheel another kind structure diagram；
Figure 16 be confined planes be the conical surface, protruding portion is trapezoidal chain, a kind of structure diagram of sprocket wheel；
Figure 17 be confined planes be the conical surface, protruding portion is trapezoidal chain, sprocket wheel another kind structure diagram；
Figure 18 be confined planes be groove, protruding portion be protrusion chain, a kind of schematic diagram of chain sprocket structure；
Figure 19 is a kind of structure diagram that limited block is the chain of plate-like, sprocket wheel；
Figure 20 is a kind of structure diagram that protruding portion is the chain of symmetrical structure, sprocket wheel；
Figure 21 is chain, the chain sprocket structure schematic diagram that above-mentioned protruding portion is arranged on the inside of chain piece；
Figure 22 is chain, chain sprocket structure schematic diagram of the limited block independently of sprocket wheel.
In figure：1- chains, 11- chains piece, 12- pins, 13- rollers, 2- sprocket wheels, 3- limited blocks, 4- protruding portions, 5- axis, 6-
First connector sleeve, the second connector sleeves of 7-, 8- ring sets.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
Embodiment one：
As shown in Figure 1, a kind of gear, including two the first shaftings parallel to each other and opposite, first shafting
Including several transmission mechanisms as shown in Figure 3, the transmission mechanism includes axis 5 as shown in Figure 4, is set on the axis 5
Sprocket wheel 2, is equipped with the first connector sleeve 6 as shown in Figure 5 between axis 5 and sprocket wheel 2,5 and first connector sleeve 6 of axis, the first connector sleeve 6 and
Sprocket wheel 2 is clearance fit, and 5 and first connector sleeve 6 of axis, the first connector sleeve 6 and sprocket wheel 2 are key connection；First shafting
It is connected between upper two adjacent transmission mechanisms by the second connector sleeve 7 as shown in Figure 6, the second connector sleeve 7 is gap with axis 5
Cooperation, the second female connector 7 are key connection with axis 5；The sprocket wheel 2 that described two first axles are fastened is connected respectively by several chains 1.
As shown in fig. 7, the end face of the sprocket wheel 2 is equipped with ring set 8, ring set 8 and 2 coaxial line of sprocket wheel, ring set 8 and axis 5
Clearance fit.
The axis 5 passes through with the first connector sleeve 6 and/or axis 5 with the second connector sleeve 7 and/or the first connector sleeve 6 with sprocket wheel 2
Spline connects.
As shown in Figure 8, Figure 9, the chain 1 includes chain piece 11, pin 12, roller 13, and the side of sprocket wheel 2 is equipped with a circle chain
Tooth, chain 1, sprocket wheel 2 are meshed, and chain is consistent with sprocket engagement system, and face is equipped with limit on two end faces of the sprocket wheel 2
Position block 3, the limited block 3 are circumferentially with a circle along sprocket wheel 2, and face is equipped with several confined planes on two limited blocks 3, described
Several confined planes are uniformly distributed along sprocket wheel 2 is circumferential, several described confined planes are disposed adjacent successively, the outside of the chain piece 11
Protruding portion 4 is equipped with, the protruding portion 4 has mating surface, confined planes described in the mating surface face, and confined planes are total to mating surface
It is moved with limitation chain 1 along the axial direction of sprocket wheel 2.
The confined planes and/or the mating surface are inclined-plane, and the confined planes and/or the mating surface are not parallel and do not hang down
Directly in sprocket wheel axis.
Several described confined planes are plane, several described confined planes are arranged on the limited block 3 in regular polygon
On, the confined planes tilt the axis backwards to sprocket wheel 2, and as shown in Figure 10 a, confined planes described in figure are equipped with 15.
Described several confined planes form the conical surface, and the conical surface has big end, a small end, and the mating surface and confined planes can be with
It is point contact either line contact or face contact.
Specifically, as shown in fig. lob, when the confined planes small end outwardly when, the protruding portion 4 is spherical shape, at this time institute
Mating surface is stated as spherical surface, two mating surfaces and two confined planes point contacts so that chain 1 on 2 axial direction of sprocket wheel by everywhere
The constraint of confined planes on the inside of two mating surfaces is so as to swing.
As shown in figure 11, when the big end of the confined planes outwardly when, the protruding portion 4 is spherical shape, the mating surface at this time
For spherical surface, two mating surfaces and two confined planes point contacts, so that chain 1 is matched on 2 axial direction of sprocket wheel by two
The constraint of confined planes is so as to swing on the outside of conjunction face.
As shown in figure 12, when the small end of the confined planes outwardly when, the protruding portion 4 be elliposoidal, the cooperation at this time
Face is ellipsoid, two mating surfaces and two confined planes point contacts so that chain 1 on 2 axial direction of sprocket wheel by two
The constraint of confined planes on the inside of a mating surface is so as to swing.
As shown in figure 13, when the big end of the confined planes outwardly when, the protruding portion 4 be elliposoidal, the cooperation at this time
Face is ellipsoid, two mating surfaces and two confined planes point contacts so that chain 1 on 2 axial direction of sprocket wheel by two
The constraint of confined planes is so as to swing on the outside of a mating surface.
As shown in figure 14, when the small end of the confined planes outwardly when, the protruding portion 4 is taper, the mating surface at this time
For the conical surface, two mating surfaces and two limiting brought into linear contact, so that chain 1 is matched on 2 axial direction of sprocket wheel by two
The constraint of confined planes on the inside of conjunction face is so as to swing.
As shown in figure 15, when the big end of the confined planes outwardly when, the protruding portion 4 be taper, at this time mating surface for cone
Face, two mating surfaces and two limiting brought into linear contact so that chain 1 on 2 axial direction of sprocket wheel by two mating surfaces
The constraint of the confined planes in outside is so as to swing.
As shown in figure 16, when the small end of the confined planes outwardly when, the protruding portion 4 is trapezoidal, the mating surface at this time
For trapezoidal inclined-plane, two mating surfaces and two limiting brought into linear contact so that chain 1 on 2 axial direction of sprocket wheel by
The constraint of confined planes on the inside of two mating surfaces is so as to swing.
As shown in figure 17, when the big end of the confined planes outwardly when, the protruding portion 4 is trapezoidal, the mating surface at this time
For trapezoidal inclined-plane, two mating surfaces and two limiting brought into linear contact so that chain 1 on 2 axial direction of sprocket wheel by
The constraint of confined planes on the outside of two mating surfaces is so as to swing.
Certainly, the protruding portion 4 can also be cylindrical, and the axis of the cylinder is parallel with confined planes, described at this time
Mating surface is cylindrical side, mating surface and limiting brought into linear contact.
Certainly, when 2 axial direction of sprocket wheel moves, the mating surface is contacted chain 1 with the confined planes with face.
The confined planes can also be groove, shown slot opening towards sprocket direction, shown mating surface be with it is described recessed
The protrusion that slot is adapted, as shown in figure 18.
Meanwhile the limited block 3 can be disc, limited block 3 is solid disk, is equipped in the middle part of disk and is passed through for shafting
Hole, give as shown in figure 19, in figure limited block 3 for solid disc-shape, confined planes be the conical surface, chain when limited block is trapezoidal
A kind of structure diagram of item 1, sprocket wheel 2, it is real that the chain 1 of above-mentioned record, the different structure of sprocket wheel 2, which are suitable for limited block 3,
The discoidal situation of the heart.
As shown in figure 20, chain 1 does not occur in chain in order to ensure the both sides of chain 1 while be meshed with the sprocket wheel 2
The situation of 2 axial directions movement is taken turns, the upper/lower terminal of the protruding portion 4 is symmetrically equipped with the mating surface, and two mating surfaces are closed
It is symmetrical in 11 direction of motion of chain piece；Certainly, a kind of knot of chain 1, sprocket wheel 2 when Figure 12 merely illustrates 4 isosceles trapezoid of protruding portion
Structure schematic diagram, it is symmetrical structure that the chain 1 of above-mentioned record, the different structure of sprocket wheel 2, which are suitable for protruding portion 4,.
The protruding portion 4 is arranged on 11 inside of chain piece, and the protruding portion 4 as shown in figure 21 is set on the one of 11 inside of chain piece
Kind chain 1,2 structure diagram of sprocket wheel, the chain 1 of above-mentioned record, the different structure of sprocket wheel 2 are located at chain suitable for protruding portion 4
The structure of 11 inside of piece.
The limited block 3 is independently of sprocket wheel 2, for when 2 size of sprocket wheel is larger, reducing the volume and weight of limited block 3.
The limited block 3 can be arranged on the axis 5 being connect with sprocket wheel 2
The limited block 3 is arranged on sprocket wheel 2 and the position at 1 inclusion of chain, and as shown in figure 22, the limited block 3 is set
On another axis, which is parallel to 2 axis of sprocket wheel, and limited block 3 is equipped with 15 confined planes.
The limited block 3 is positioned close to sprocket wheel 2 and the position at 1 inclusion of chain.
In use, chain 1 is engaged on sprocket wheel 2, transmission mechanism is passed the torque of axis 5 by chain 1, works as needs
When transmitting torque, by sliding the first connector sleeve 6, the first connector sleeve 6 is made to be connect respectively with axis 5, sprocket wheel 2, obtains the torque of axis 5
To be transmitted on chain 1 by sprocket wheel 2；When not needing to driving torque, by sliding the first connector sleeve 6, make the first connector sleeve 6
It is disengaged respectively with axis 5, sprocket wheel 2, there was only ring set 8 between axis 5 and sprocket wheel 2 at this time, and ring set 8 and 5 clearance fit of axis, the torsion of axis 5
Square can not be transmitted on sprocket wheel 2, achieve the effect that not transmit torque；It meanwhile can be by sliding adjacent and coaxial line two
The second connector sleeve 7 on axis 5 makes the transmission mechanism in same shafting in different position clutches, while can slide any biography
The first connector sleeve 6 on motivation structure between axis 5 and sprocket wheel 2, makes the sprocket wheel 2 on the transmission mechanism not connect to it by chain 1
The transmission mechanism that connects transmits torque, so as to reach different torque transfer routes, then by for the mating different-diameter of transmission mechanism
The sprocket wheel of specification, and then realize different gearratios, realize the effect of speed change.The protruding portion 4 in 11 outside of chain piece is by 2 end face of sprocket wheel
On limited block 3 limited, chain 1 can not be swung on 2 axial direction of sprocket wheel, and 1 accessary sprocket wheel of chain, 2 axial direction will not occur
Situation about coming off.
Embodiment two：
Its with embodiment one difference lies in：As shown in Fig. 2, the gear further includes the second shafting, third shafting,
Second shafting includes two transmission mechanisms, and two transmission mechanisms are connected by the second connector sleeve 7, the third shafting
Including two transmission mechanisms, two transmission mechanisms are connected by the second connector sleeve 7, and the second shafting is divided by two chains 1
Not Lian Jie two the first shaftings one end, third shafting connects the other end of two the first shaftings by two chains 1 respectively.
In the present embodiment, second axis is exported with third shafting respectively as torque input with torque, plays flexible arrangement
Input, the effect of output shaft.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art can make various corresponding changes and deformation, but these phases according to the utility model
The change and deformation answered should all belong to the scope of the claims appended by the utility model.
Claims (10)
1. a kind of gear, it is characterised in that：Including two the first shaftings parallel to each other and opposite, the first shafting packet
Several transmission mechanisms are included, the transmission mechanism includes axis (5), sprocket wheel (2), axis (5) and sprocket wheel are set on the axis (5)
(2) the first connector sleeve (6) is equipped between, axis (5) is gap with the first connector sleeve (6), the first connector sleeve (6) and sprocket wheel (2)
Cooperation, axis (5) are key connection with the first connector sleeve (6), the first connector sleeve (6) and sprocket wheel (2)；The first axle is fastened adjacent
Two transmission mechanisms between connected by the second connector sleeve (7), the second connector sleeve (7) and axis (5) are clearance fit, and second connects
Female connector (7) is key connection with axis (5)；The sprocket wheel (2) that described two first axles are fastened is connected respectively by several chains (1).
2. gear according to claim 1, it is characterised in that：Further include the second shafting, third shafting, described second
Shafting includes two transmission mechanisms, and two transmission mechanisms are connected by the second connector sleeve (7), and the third shafting includes two
A transmission mechanism, two transmission mechanisms are connected by the second connector sleeve (7), and the second shafting passes through two chains (1) difference
One end of two the first shaftings is connected, third shafting connects the other end of two the first shaftings by two chains (1) respectively.
3. gear according to claim 1, it is characterised in that：The chain (1) includes chain piece (11), pin
(12), roller (13), the side of sprocket wheel (2) are equipped with a circle sprocket, and being equipped with for face limits on two end faces of the sprocket wheel (2)
Block (3), the limited block (3) are circumferentially with a circle along sprocket wheel (2), and face is equipped with several limitings on two limited blocks (3)
Face, several described confined planes are circumferentially uniformly distributed along sprocket wheel (2), several described confined planes are disposed adjacent successively, the chain
Piece (11) is equipped with protruding portion (4), and the protruding portion (4) has mating surface, confined planes described in the mating surface face, confined planes
Chain (1) is limited jointly with mating surface to move along the axial direction of sprocket wheel (2).
4. gear according to claim 3, it is characterised in that：The confined planes and/or mating surface are inclined-plane, described
Confined planes and/or mating surface are not parallel and be not orthogonal to sprocket wheel (2) axis.
5. gear according to claim 3, it is characterised in that：Several described confined planes form the conical surface, confined planes
A circle, the conical surface and sprocket wheel (2) coaxial line are circumferentially with along sprocket wheel (2).
6. gear according to claim 5, it is characterised in that：The mating surface and the confined planes point contact or
Line contacts.
7. gear according to claim 4, it is characterised in that：The mating surface and the limiting plane-plane contact.
8. gear according to claim 5, it is characterised in that：The confined planes be groove or protrusion, it is described to match
Conjunction face is and the groove protrusion that either protrusion is adapted or groove.
9. gear according to claim 4, it is characterised in that：The confined planes are plane, and the confined planes tilt
Backwards to sprocket wheel (2) axis.
10. according to the gear described in claim 3-9 any one, it is characterised in that：The protruding portion (4) it is upper and lower
Both ends are symmetrically equipped with the mating surface, and two mating surfaces are symmetrical about chain piece (11) direction of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337587.0U CN207500417U (en) | 2017-10-18 | 2017-10-18 | A kind of gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337587.0U CN207500417U (en) | 2017-10-18 | 2017-10-18 | A kind of gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500417U true CN207500417U (en) | 2018-06-15 |
Family
ID=62500496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721337587.0U Active CN207500417U (en) | 2017-10-18 | 2017-10-18 | A kind of gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524770A (en) * | 2017-10-18 | 2017-12-29 | 梁建 | A kind of gear |
-
2017
- 2017-10-18 CN CN201721337587.0U patent/CN207500417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524770A (en) * | 2017-10-18 | 2017-12-29 | 梁建 | A kind of gear |
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