CN221097381U - Eccentric synchronous gear - Google Patents
Eccentric synchronous gear Download PDFInfo
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- CN221097381U CN221097381U CN202323344690.6U CN202323344690U CN221097381U CN 221097381 U CN221097381 U CN 221097381U CN 202323344690 U CN202323344690 U CN 202323344690U CN 221097381 U CN221097381 U CN 221097381U
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- groove
- eccentric
- gear
- connecting groove
- connection pad
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Gears, Cams (AREA)
Abstract
The utility model provides an eccentric synchronous gear, and belongs to the technical field of gears. The utility model provides an eccentric synchronous gear, including gear body and adjustment mechanism, gear body includes eccentric gear, first spread groove and second spread groove have been seted up to eccentric gear's top one side, first spread groove and second spread groove are connected, adjustment mechanism includes the connection pad, the inside at first spread groove is installed to the connection pad, the top of connection pad is equipped with the driving disk, the driving disk is rotatory in the inside of second spread groove, the spacing groove has been seted up to the top surface of connection pad, the inside slip of spacing groove has a plurality of stoppers, a plurality of adjustment tanks have been seted up to the top surface of driving disk, the inside of adjustment tank has all slided the regulation pole, the fixed block is all installed between stopper and the adjustment tank, the through-hole has all been seted up to the center department of connection pad and driving disk, this technical scheme can firmly fix the drive shaft of different diameters, therefore the suitability is higher.
Description
Technical Field
The utility model relates to the technical field of gears, in particular to an eccentric synchronous gear.
Background
The gear is a mechanical element on the rim, which is continuously engaged with the gear to transfer motion and power, and the eccentric gear is one of the gears. The eccentric gear is one of key components of the mechanical press, and in the upper beam main transmission system of the press, the eccentric gear, the connecting rod, the guide post and the sliding block form a crank sliding block mechanism. The rotary motion of the eccentric gear is converted into the linear reciprocating motion of the slide block through the crank slide block mechanism, so that the stamping function of the mechanical press is realized, the manufacturing precision of the eccentric gear directly influences the motion precision of the slide block of the mechanical press, and further influences the whole machine work of the mechanical press, and large eccentric gears can be used in large machines and can only be generally matched with a rotating shaft of one type, so that the universality of the eccentric gear is reduced, and the replacement cost is high.
The eccentric gear with the bulletin number of CN214092943U comprises a fixed disc, wherein teeth which are distributed in an annular mode are arranged on the outer wall of the fixed disc, pentagon installation holes are formed in the fixed disc, an installation box is welded on the inner wall of the bottom of each pentagon installation hole, a pentagon adjusting plate is inserted at the top of each installation box, eccentric holes are formed in each pentagon adjusting plate, a special-shaped installation cavity is formed in each pentagon adjusting plate, two fixed blocks are welded on the inner wall of the bottom of each special-shaped installation cavity, one screw rod is inserted on each fixed block, and a first thread bush and a second thread bush are sequentially sleeved on each screw rod;
According to the technical scheme, the screw rod in the special-shaped mounting cavity rotates to drive the first threaded sleeve and the second threaded sleeve which are opposite in two threads to be away from each other, so that the two arc-shaped clamping claws can be finally separated from each other, the eccentric hole can be adapted to rotating shafts of different types, but the rotating shafts with different diameters are smaller in radian of the same arc length under the condition of the same arc length, the radian and the arc length of the rotating shafts are fixed no matter how much, the larger the diameter of the rotating shaft is, the smaller the contact surface is, and therefore the friction force between the clamping claws and the rotating shaft becomes low, and the situation that the eccentric gear is separated from the rotating shaft is likely to occur.
Disclosure of utility model
In order to overcome the defects, the utility model provides an eccentric synchronous gear.
The utility model is realized in the following way:
The utility model provides an eccentric synchronous gear, includes gear body and adjustment mechanism, gear body includes eccentric gear, first spread groove and second spread groove have been seted up to eccentric gear's top one side, first spread groove and second spread groove are connected, adjustment mechanism includes the connection pad, the inside at first spread groove is installed to the connection pad, the top of connection pad is equipped with the driving disc, the driving disc is rotatory in the inside of second spread groove, the spacing groove has been seted up to the top surface of connection pad, the inside slip of spacing groove has a plurality of stoppers, a plurality of adjustment grooves have been seted up to the top surface of driving disc, the inside of adjustment groove has all been slided and has been adjusted the pole, the fixed block is all installed between stopper and the adjustment groove, the through-hole has all been seted up to the center department of connection pad and driving disc.
The rotary drive disc has the beneficial effects that when the rotary drive disc is rotated, the adjusting rod can slide in the adjusting groove, the limiting block slides in the limiting groove, so that the polygonal size enclosed between the fixed blocks can be enlarged or reduced, the fixation between the rotating shaft and the eccentric gear is a polygonal shape enclosed between the pair of through holes and the fixed blocks, the rotating shaft with different diameters can be clamped by the change of the polygonal size, one side of the fixed block is in tangential relation with the rotating shaft, no matter the diameter of the rotating shaft is large or small, the contact area of the fixed block and the fixed block is the same, and the condition that the rotating shaft is separated from the eccentric gear due to the change of the contact area cannot occur.
Further, the through hole, the first connecting groove and the second connecting groove are all circular, and the through hole, the first connecting groove and the second connecting groove are concentric.
Further, the diameter of the first connecting groove is smaller than that of the second connecting groove, and the diameter of the driving disc is smaller than that of the second connecting groove and larger than that of the first connecting groove.
The adoption of the further scheme has the beneficial effects that the diameter of the first connecting groove is set to be smaller than that of the second connecting groove, the diameter of the driving disc is set to be smaller than that of the second connecting groove and larger than that of the first connecting groove, so that a space is available for a finger of a user to stir the driving disc to rotate.
Further, the limit groove is regular hexagon, the number of the adjusting groove, the limit block and the adjusting rod is six, and the fixing block is isosceles triangle.
Further, an anti-skid groove is formed in one side of the fixed block.
The adoption of the further scheme has the beneficial effects that the pressure intensity of the fixed block on the rotating shaft can be improved, so that the fixation is firmer.
Further, a plurality of first screw holes are formed in the bottom of the second connecting groove, the driving blocks are symmetrically arranged on the outer side of the driving disc, second screw holes are formed in the top of the driving blocks, and bolts are meshed between the first screw holes and the second screw holes.
The adoption of the further scheme has the beneficial effects that after the driving disc rotates in place, the bolt can pass through the second threaded hole and is meshed with the first threaded hole, so that the driving disc is fixed.
Further, balancing weights are arranged on two sides of the eccentric gear.
The adoption of the further scheme has the beneficial effects that due to the rotation specificity of the eccentric gear, the rotation stability of the eccentric gear can be improved through the use of the balancing weight.
The beneficial effects of the utility model are as follows: according to the eccentric synchronous gear obtained through the design, when the driving disc is rotated, the adjusting rod can slide in the adjusting groove, the limiting block slides in the limiting groove, so that the polygonal size enclosed between the fixed blocks can be enlarged or reduced, the fixation between the rotating shaft and the eccentric gear is a polygonal shape enclosed between the pair of through holes and the fixed blocks, the rotating shaft with different diameters can be clamped by the change of the polygonal size, one side of the fixed block is in tangential relation with the rotating shaft, the contact area between the fixed blocks and the rotating shaft is the same no matter the diameter of the rotating shaft is large or small, and the situation that the rotating shaft is separated from the eccentric gear due to the change of the contact area cannot occur.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed to be practical in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without the inventive effort of a person skilled in the art.
Fig. 1 is a schematic perspective view of an eccentric synchronous gear according to the present utility model;
FIG. 2 is a schematic diagram of an exploded structure of an eccentric synchronous gear according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure A of FIG. 2;
Fig. 4 is an enlarged schematic view of the structure B in fig. 2.
In the figure: 100. a gear body; 1001. an eccentric gear; 1002. balancing weight; 1003. a first connection groove; 1004. a second connecting groove; 1005. a first threaded hole; 200. an adjusting mechanism; 2001. a connecting disc; 2002. a through hole; 2003. a fixed block; 2004. an adjusting rod; 2005. a limiting block; 2006. a drive plate; 2007. a shifting block; 2008. an adjustment tank; 2009. a second threaded hole; 2010. and a limit groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Embodiment one of an eccentric synchronous gear of the utility model
The utility model provides the following technical scheme: as shown in fig. 1 to 4, the gear body 100 comprises a gear body 100 and an adjusting mechanism 200, the gear body 100 comprises an eccentric gear 1001, a first connecting groove 1003 and a second connecting groove 1004 are formed in one side of the top of the eccentric gear 1001, the first connecting groove 1003 and the second connecting groove 1004 are connected, the adjusting mechanism 200 comprises a connecting disc 2001, the connecting disc 2001 is installed in the first connecting groove 1003, a driving disc 2006 is arranged at the top of the connecting disc 2001, the driving disc 2006 rotates in the second connecting groove 1004, a limiting groove 2010 is formed in the top surface of the connecting disc 2001, a plurality of limiting blocks 2005 are arranged in the limiting groove 2010 in a sliding mode, a plurality of adjusting grooves 2008 are formed in the top surface of the driving disc 2006, adjusting rods 2004 are arranged in the limiting blocks 2005 and the adjusting grooves 2008 in a sliding mode, through holes 2002 are formed in the centers of the connecting disc 2001 and the driving disc 1004, when the driving disc 2006 is rotated, the adjusting rods slide in the adjusting grooves 2008, therefore the limiting blocks 2005 slide in the limiting grooves 2010, the size of a polygon surrounded by the limiting blocks is increased or decreased, the fixing area between a rotating shaft and the rotating shaft 1001 is fixed through the limiting blocks 2003, the rotating shaft and the rotating shaft 2003, the diameter of the rotating shaft is different from the rotating shaft, and the rotating shaft is in the same, and the diameter of the rotating shaft is different from the rotating shaft, and the rotating shaft is in the rotating shaft and has the same diameter.
The utility model relates to an embodiment II of an eccentric synchronous gear
Referring to fig. 1 to 4, specifically, the diameter of the first connection groove 1003 is smaller than the second connection groove 1004, the diameter of the driving disk 2006 is smaller than the second connection groove 1004 and larger than the first connection groove 1003, the diameter of the first connection groove 1003 is smaller than the second connection groove 1004, and the diameter of the driving disk 2006 is smaller than the second connection groove 1004 and larger than the first connection groove 1003, so that there is room for a user's finger to dial the driving disk 2006 to rotate.
The utility model relates to an embodiment III of an eccentric synchronous gear
Referring to fig. 1 to 4, specifically, a plurality of first threaded holes 1005 are formed at the bottom of the second connecting groove 1004, a shift block 2007 is symmetrically mounted at the outer side of the driving disc 2006, a second threaded hole 2009 is formed at the top of the shift block 2007, a bolt is engaged between the first threaded hole 1005 and the second threaded hole 2009, after the driving disc 2006 rotates in place, the bolt can pass through the second threaded hole 2009 and is engaged with the first threaded hole 1005, so that the fixing of the driving disc 2006 is completed.
Specifically, the working principle of the eccentric synchronous gear is as follows: in use, the rotating shaft passes through the polygon enclosed between the pair of through holes 2002 and the fixed blocks 2003, then the driving disc 2006 is rotated, at this time, the adjusting rod 2004 slides in the adjusting groove 2008, the limiting block 2005 slides in the limiting groove 2010, so the polygon enclosed between the fixed blocks 2003 gradually decreases in size, the fixed blocks 2003 clamp the rotating shaft, and finally the bolts pass through the second threaded holes 2009 and are engaged with the first threaded holes 1005, so that the fixing of the driving disc 2006 is completed.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides an eccentric synchronous gear, its characterized in that includes gear body (100) and adjustment mechanism (200), gear body (100) include eccentric gear (1001), first spread groove (1003) and second spread groove (1004) have been seted up to top one side of eccentric gear (1001), first spread groove (1003) are connected with second spread groove (1004), adjustment mechanism (200) include connection pad (2001), connection pad (2001) install in the inside of first spread groove (1003), the top of connection pad (2001) is equipped with driving disc (2006), driving disc (2006) are rotatory in the inside of second spread groove (1004), spacing groove (2010) have been seted up to the top surface of connection pad (2001), the inside of spacing groove (2010) is slided and is had a plurality of stopper (2005), a plurality of adjustment grooves (2008) have been seted up to the top surface of driving disc (2006), the inside of adjustment groove (2008) all is slided and is had regulation pole (2004), fixed block (2003) are all installed between stopper (2005) and adjustment groove (2008), center (2002) are all seted up through-hole (2002).
2. The eccentric synchronizing gear according to claim 1, characterized in that the through hole (2002), the first connecting groove (1003) and the second connecting groove (1004) are all circular, and that the through hole (2002), the first connecting groove (1003) and the second connecting groove (1004) are concentric.
3. An eccentric synchronizing gear according to claim 1, characterized in that the first connecting groove (1003) has a smaller diameter than the second connecting groove (1004), and that the drive disc (2006) has a smaller diameter than the second connecting groove (1004) and larger diameter than the first connecting groove (1003).
4. The eccentric synchronous gear according to claim 1, wherein the limit groove (2010) is a regular hexagon, the number of the adjusting groove (2008), the limit block (2005) and the adjusting rod (2004) is six, and the fixing block (2003) is an isosceles triangle.
5. An eccentric synchronizing gear according to claim 1, characterized in that the fixed blocks (2003) are provided with anti-skid grooves on one side.
6. The eccentric synchronous gear according to claim 1, wherein a plurality of first threaded holes (1005) are formed in the bottom of the second connecting groove (1004), a shifting block (2007) is symmetrically arranged on the outer side of the driving disc (2006), a second threaded hole (2009) is formed in the top of the shifting block (2007), and a bolt is meshed between the first threaded hole (1005) and the second threaded hole (2009).
7. An eccentric synchronizing gear according to claim 1, characterized in that the eccentric gear (1001) is provided with counterweights (1002) on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323344690.6U CN221097381U (en) | 2023-12-07 | 2023-12-07 | Eccentric synchronous gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323344690.6U CN221097381U (en) | 2023-12-07 | 2023-12-07 | Eccentric synchronous gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097381U true CN221097381U (en) | 2024-06-07 |
Family
ID=91328260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323344690.6U Active CN221097381U (en) | 2023-12-07 | 2023-12-07 | Eccentric synchronous gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097381U (en) |
-
2023
- 2023-12-07 CN CN202323344690.6U patent/CN221097381U/en active Active
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