CN207796005U - A kind of speed synchronizer - Google Patents
A kind of speed synchronizer Download PDFInfo
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- CN207796005U CN207796005U CN201721850051.9U CN201721850051U CN207796005U CN 207796005 U CN207796005 U CN 207796005U CN 201721850051 U CN201721850051 U CN 201721850051U CN 207796005 U CN207796005 U CN 207796005U
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- shaft
- gear
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- upper shell
- driving
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- 238000000034 method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
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Abstract
The utility model proposes a kind of speed synchronizers, including upper shell, lower housing, shaft is set in upper shell, output cylinder is arranged in shaft, sliding is arranged driven gear on output cylinder, in setting protrusion on driver slot outer wall, in setting positioning plate on the output cylinder of nearly cylinder roller bearing, the groove of protrusion is closed in establishing on positioning plate, in opening up sliding slot on the driven gear end face of nearly deep groove ball bearing side, sliding block is set in sliding slot, in close to deep groove ball bearing output cylinder on set annular groove, positioning region is set on sliding block, driving shaft is set in lower housing, input gear is arranged on driving shaft, it is arranged driving gear outside input gear.The utility model coordinates positioning region by raised portion fits groove, annular groove so that synchronization accuracy, synchronous efficiency is high, then shifting efficiency, shift efficiency are guaranteed, and can not wear parts, reduce production cost.
Description
Technical field
The utility model is related to vehicle power transmission mechanism technical fields, and in particular to a kind of speed synchronizer.
Background technology
During automobile gear shift, engaged on engine output shaft by the different stalls gear on transmission input shaft
Gear achievees the purpose that torque is transmitted to shift gears, in traditional speed-change process, makes that meshed gears will be wanted to reach by synchronizer
It is smoothly engaged to consistent rotating speed.
Conventional synchronizer, by driving the gear on engine output shaft to move axially, makes engine in synchronizing process
The different stalls gear on gear meshing speed changer input shaft on output shaft, so some synchronizers set synchronization on output shaft
Gear on output shaft is located on synchronous ring by ring, by the movement of synchronous ring, is achieved the purpose that carrier wheel, but is so set
It sets, synchronous ring has larger free activity space in output shaft axial direction, is easy uncontrollably freely activity, not only can in this way
Speed changer transmission efficiency, synchronous precision degree are reduced, the shift efficiency of speed changer is caused to decline, can also aggravate the abrasion of synchronous ring,
Shorten the service life of synchronous ring and output shaft.
Utility model content
For the deficiency in the presence of the prior art, the utility model provides a kind of speed synchronizer, solves and sets together
Walk the problem that shift of transmission is inefficient, synchronous precision degree is not high, parts service life is short existing for the synchronizer of ring.
To achieve the above object, the utility model uses the following technical solution：A kind of speed synchronizer, including by upper
Upper shell, the lower housing being sequentially communicated under, the upper shell top are equipped with opening, and first bearing is set up at the upper shell both ends separately
Seat, second bearing seat, are arranged shaft in upper shell, and one end of shaft by deep groove ball bearing connects first bearing seat and to upper casing
External to extend, the other end of shaft connects second bearing seat by cylinder roller bearing, and output cylinder is arranged in the shaft, in
Extend and set rotating cylinder in the shaft of upper shell, rotating cylinder is equipped with output flange, slides and is arranged on the output cylinder
The nearly cylinder roller bearing end of driven gear, driven gear sets driver slot, and driver slot is for housing driving device, in outside driver slot
It sets and extends outwardly and in circular protrusion on wall, it is described fixed in setting positioning plate on the output cylinder of nearly cylinder roller bearing
The groove of protrusion is closed in establishing on the plate of position, in opening up sliding slot on the driven gear end face of nearly deep groove ball bearing side, is arranged in sliding slot
The sliding block of vertical sliding, in setting annular groove on the output cylinder of deep groove ball bearing, the annular groove includes being set on output cylinder
Bottom wall, be connected to the nearly deep groove ball bearing end of bottom wall straight wall, be connected to the nearly cylinder roller bearing end of bottom wall and to driven gear tilt
Skew wall, set positioning region on the sliding block, the inclined-plane of skew wall is closed in the nearly driven gear side establishing in the positioning region, in the lower housing
The driving shaft parallel with shaft is arranged in rotation, and input gear is arranged on the driving shaft, is arranged driving gear outside input gear, institute
Input gear to be stated to connect by spline with driving gear, the gear teeth of the input gear and the gear teeth of driving gear are oppositely arranged,
When driving device drives driven gear to be moved to deep groove ball bearing direction on exporting cylinder, driven gear is nibbled with driving gear
It closes, when driving device drives driven gear to be moved to cylinder roller bearing direction on exporting cylinder, driven gear and input
Gear engages.
Further, lower housing and upper shell are positioned by elastic cylindrical pin, lower housing passes through the first spiral shell with upper shell
It tethers and connects；The input gear connects driving shaft by taper roll bearing, and the quantity of the taper roll bearing is two, two
Taper roll bearing sets up both ends of main drive shaft separately, and the input gear inner wall sets the hole bullet for limiting taper roll bearing movement
Property baffle ring, the taper roll bearing outer end face by adjusting gasket connect lower housing；Restriction active on the input gear
The circlip for shaft of gear movement.Further, interior packet skeleton lip oil sealing, institute are set between the output flange and middle casing
It states output flange and is equipped with shaft end ring away from the end of middle casing, O shape rubber seal is arranged on shaft end ring, shaft end ring is logical
It crosses the second bolt and is fixed on output flange, wave spring washer is set between the second bolt and shaft end ring.
Further, interior packet skeleton lip oil sealing is set between the output flange and upper shell, the output flange deviates from
The end of upper shell is equipped with shaft end ring, is arranged O shape rubber seal on shaft end ring, shaft end ring is fixed by the second bolt
Wave spring washer is set between output flange, the second bolt and shaft end ring.
Compared with the prior art, the utility model has the advantages that：
1., driven gear driven device drive in doing axially reciprocating on output shaft, pass through groove and lug boss
Cooperation and annular groove and positioning region cooperation, reach by driven gear on driving shaft input gear or driving gear engage from
And achieve the effect that shaft is synchronous with driving shaft, give up traditional synchronization ring, be not in equipment attrition problem, to drop
Low production cost；
2., lug boss and groove pull and push connection, be not only completely embedded, reliably, extraction is also without hindrance so that the synchronous work of shift
Work being capable of smooth, stable progress；
3., annular groove set skew wall, positioning region sets inclined-plane so that positioning region either slides into sliding slot, and still to skid off sliding slot suitable
It is sliding so that combining or disengaging smoothly for the two ensure that the safe, stable and smooth of shift；
4., either groove fitting projection portion or annular groove coordinate positioning region, can guarantee the shift efficiency of speed changer,
And it can guarantee the transmission efficiency of speed changer；
5., taper roll bearing carry input gear, so that input gear is rotated more reliable and extend making for input gear
Use the service life；
6., circlip for shaft limit driving gears, so that driving gear and input gear is completely embedded, reliably, from
And allow shift work is safe and reliable to carry out；
7., sliding slot and groove location fix, then can guarantee the precision that driven gear axially moves, it is synchronous to ensure that
Precision.
To sum up, the utility model coordinates positioning region by raised portion fits groove, annular groove so that synchronization accuracy, synchronous effect
Rate is high, then shifting efficiency, shift efficiency are guaranteed, and can not wear parts, reduce production cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of speed synchronizer.
Fig. 2 is the cooperation schematic diagram of annular groove and positioning region.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Figs. 1-2, a kind of speed synchronizer, including the upper shell 1, the lower housing 2 that are sequentially communicated from top to bottom, it is described
1 top of upper shell is equipped with opening, is positioned lower housing 2 and upper shell 1 by elastic cylindrical pin 27, lower housing 2 is logical with upper shell 1
Cross the connection of the first bolt 28.
1 both ends of the upper shell set up first bearing seat, second bearing seat separately, are arranged shaft 3 in upper shell 1, and the one of shaft 3
End connects first bearing seat by deep groove ball bearing 4 and extends to outside upper shell 1, and the other end of shaft 3 passes through cylindrical roller axis
5 connection second bearing seats are held, output cylinder 6 are arranged in the shaft 3, in setting rotating cylinder in the shaft 3 for extending upper shell 1
7, rotating cylinder 7 is equipped with output flange 8, and interior packet skeleton lip oil sealing 33, institute are set between the output flange 8 and upper shell 1
It states output flange 8 and is equipped with shaft end ring 34 away from the end of upper shell 1, O shapes rubber seal 35, axis are arranged on shaft end ring 34
Terminal block circle 34 is fixed on output flange 8 by the second bolt 36, and waveform elastic pad is set between the second bolt 36 and shaft end ring 34
Circle 37.
Sliding is arranged driven gear 9 on the output cylinder 6, and 5 end of nearly cylinder roller bearing of driven gear 9 sets driver slot
10, driver slot 10 is set to for housing driving device, driving device outside the opening at 1 top of upper shell, and the present embodiment chooses shift fork
As driving device, shift fork stretches into driver slot 10, and driven gear 9 is driven to slide axially in output 6 upper edge shaft 3 of cylinder, in
It is set on 10 outer wall of driver slot and extends outwardly and in circular protrusion 11, set on the output cylinder 6 of nearly cylinder roller bearing 5
Positioning plate 12, on the positioning plate 12 establishing close the groove 13 of protrusion 11,9 end of driven gear in 4 side of nearly deep groove ball bearing
Sliding slot 14 is opened up on face, and the sliding block 15 of vertical sliding is set in sliding slot 14, is set on the output cylinder 6 close to deep groove ball bearing 4
Annular groove 17, referring to Fig. 2, the annular groove 17 includes the bottom wall 19 being set on output cylinder 6, is connected to 19 nearly deep groove ball bearing 4 of bottom wall
The straight wall 20 at end is connected to 19 nearly cylinder roller bearing of bottom wall, 5 end and to 9 inclined skew wall 21 of driven gear, on the sliding block 15
If positioning region 18, the inclined-plane 22 of skew wall 21 is closed in 18 nearly driven gear of the positioning region, 9 side establishing.
The driving shaft 23 parallel with shaft 3 is arranged in rotation in the lower housing 2, and input gear is arranged on the driving shaft 23
24, input gear 24 is arranged driving gear 25 outside, and the input gear 24 is connect with driving gear 25 by spline 26, described defeated
The gear teeth for entering the gear teeth and driving gear 25 of gear 24 are oppositely arranged, when driving device drives driven gear 9 on output cylinder 6
When being moved to 4 direction of deep groove ball bearing, driven gear 9 is engaged with driving gear 25, when driving device drives driven gear 9 defeated
Go out when being moved to 5 direction of cylinder roller bearing on cylinder 6, driven gear 9 is engaged with input gear 24.
The input gear 24 connects driving shaft 23, the quantity of the taper roll bearing 29 by taper roll bearing 29
It is two, two taper roll bearings 29 set up 23 both ends of driving shaft separately, and 24 inner wall of the input gear is set for limiting taper roller
The circlip for hole 30 that bearing 29 moves, 29 outer end face of the taper roll bearing connect lower housing 2 by adjusting gasket 31；
The circlip for shaft 32 that restriction driving gear 25 moves on the input gear 24.
The application method of the present embodiment is as follows：Driving device (shift fork) drives driven gear 9 on output cylinder 6 to zanjon
4 direction of ball bearing moves, and when positioning region 18 slides into annular groove 17, driven gear 9 is engaged with driving gear 25；Driving device band
Dynamic driven gear 9 moves on output cylinder 6 to 5 direction of cylinder roller bearing, and positioning region 18 skids off annular groove 17 at this time, works as protrusion
After portion 11 is inserted into groove, driven gear 9 is engaged with input gear 24；Sliding block 15 moves up and down in sliding slot 14 can just make positioning region
18 slide in or out annular groove 17, and inclined-plane 22 coordinates skew wall 21 so that it is very smooth that positioning region 18 enters or skid off annular groove 17.Pass through
The switching that driven gear 9 is engaged with input gear 24, driving gear 25 reaches the synchronous of rotating speed between driving shaft 23 and shaft 3.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (3)
1. a kind of speed synchronizer, it is characterised in that：Including upper shell (1), the lower housing (2) being sequentially communicated from top to bottom, institute
It states and is equipped with opening at the top of upper shell (1),
Upper shell (1) both ends set up first bearing seat, second bearing seat separately, and shaft (3), shaft (3) is arranged in upper shell (1)
One end connected and first bearing seat and extend outside to upper shell (1) by deep groove ball bearing (4), the other end of shaft (3) passes through
Cylinder roller bearing (5) connects second bearing seat, and output cylinder (6) is arranged on the shaft (3), in extending upper shell (1)
Shaft (3) on set rotating cylinder (7), rotating cylinder (7) is equipped with output flange (8), sliding sleeve on the output cylinder (6)
If driven gear (9), nearly cylinder roller bearing (5) end of driven gear (9) sets driver slot (10), and driver slot (10) is for housing
Driving device, in setting the protrusion (11) for extending outwardly and be in annular shape on driver slot (10) outer wall, in nearly cylinder roller bearing
(5) set positioning plate (12) on output cylinder (6), on the positioning plate (12) establishing close the groove (13) of protrusion (11), in
Sliding slot (14) is opened up on driven gear (9) end face of nearly deep groove ball bearing (4) side, and the sliding block of vertical sliding is set in sliding slot (14)
(15), in setting annular groove (17) on the output cylinder (6) of deep groove ball bearing (4), the annular groove (17) includes being set to output circle
Bottom wall (19) on cylinder (6), is connected to the nearly cylinder of bottom wall (19) at the straight wall (20) for being connected to nearly deep groove ball bearing (4) end of bottom wall (19)
Roller bearing (5) is held and to driven gear (9) inclined skew wall (21), and positioning region (18) is set on the sliding block (15), described fixed
The inclined-plane (22) of skew wall (21) is closed in nearly driven gear (9) side establishing in position portion (18),
The driving shaft (23) parallel with shaft (3) is arranged in rotation in the lower housing (2), and input is arranged on the driving shaft (23)
Gear (24), input gear (24) are arranged driving gear (25) outside, and the input gear (24) passes through flower with driving gear (25)
Key (26) connects, and the gear teeth of the gear teeth and driving gear (25) of the input gear (24) are oppositely arranged, when driving device drives
Driven gear (9) on exporting cylinder (6) to deep groove ball bearing (4) direction when moving, driven gear (9) and driving gear (25)
Engagement, it is driven when driving device drives driven gear (9) to be moved to cylinder roller bearing (5) direction on exporting cylinder (6)
Gear (9) is engaged with input gear (24).
2. a kind of speed synchronizer as described in claim 1, it is characterised in that：By elastic cylindrical pin (27) by lower housing
(2) it is positioned with upper shell (1), lower housing (2) is connect with upper shell (1) by the first bolt (28)；
The input gear (24) connects driving shaft (23) by taper roll bearing (29), the taper roll bearing (29)
Quantity is two, and two taper roll bearings (29) set up driving shaft (23) both ends separately, and input gear (24) inner wall is set for limiting
The mobile circlip for hole (30) of rounding taper roller bearing (29), taper roll bearing (29) outer end face is by adjusting pad
Piece (31) connects lower housing (2)；
The circlip for shaft (32) that restriction driving gear (25) moves on the input gear (24).
3. a kind of speed synchronizer as described in claim 1, it is characterised in that：The output flange (8) and upper shell (1) it
Between set interior packet skeleton lip oil sealing (33), the output flange (8) is equipped with shaft end ring (34) away from the end of upper shell (1),
O shapes rubber seal (35) is arranged on shaft end ring (34), shaft end ring (34) is fixed on output method by the second bolt (36)
Blue (8), set wave spring washer (37) between the second bolt (36) and shaft end ring (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721850051.9U CN207796005U (en) | 2017-12-26 | 2017-12-26 | A kind of speed synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721850051.9U CN207796005U (en) | 2017-12-26 | 2017-12-26 | A kind of speed synchronizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207796005U true CN207796005U (en) | 2018-08-31 |
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ID=63278907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721850051.9U Expired - Fee Related CN207796005U (en) | 2017-12-26 | 2017-12-26 | A kind of speed synchronizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207796005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109503297A (en) * | 2018-12-10 | 2019-03-22 | 北京矿冶科技集团有限公司 | Emulsion pumping installations and emulsified detonator loading system |
-
2017
- 2017-12-26 CN CN201721850051.9U patent/CN207796005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109503297A (en) * | 2018-12-10 | 2019-03-22 | 北京矿冶科技集团有限公司 | Emulsion pumping installations and emulsified detonator loading system |
| CN109503297B (en) * | 2018-12-10 | 2023-10-20 | 北京矿冶科技集团有限公司 | Emulsion explosive pumping device and emulsion explosive charging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 |