CN205388108U - Tooth hub - Google Patents
Tooth hub Download PDFInfo
- Publication number
- CN205388108U CN205388108U CN201620169526.7U CN201620169526U CN205388108U CN 205388108 U CN205388108 U CN 205388108U CN 201620169526 U CN201620169526 U CN 201620169526U CN 205388108 U CN205388108 U CN 205388108U
- Authority
- CN
- China
- Prior art keywords
- tooth hub
- outer ring
- spline
- mounting groove
- hub body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a tooth hub, including the tooth hub body, the tooth hub body includes inner circle and outer lane, interior circling is provided with the spline groove, be provided with on the circumference of the outer lane side with the concentric mounting groove that sets up in outer lane, outer lane evenly distributed has a plurality of drive groove, and is adjacent be provided with the spline piece on the outer lane circumference lateral wall between the drive groove, be provided with the installation piece that slides and be connected with the mounting groove on the spline piece, be provided with the mounting that makes installation piece and tooth hub body fixed connection on the outer lane. Through the components of a whole that can function independently setting with between tooth hub body and the spline piece to avoid the problem of the crackle that the powder metallurgy in -process can bring, through connections of sliding of installation piece and mounting groove between tooth hub body and the spline piece, both fix finally to make it through the mounting, finally make the structure of tooth hub body and spline lump formation an organic whole, strengthen connection performance.
Description
Technical field
This utility model relates to automobile synchronizer, particularly to a kind of wheel hub.
Background technology
Lock unit makes to have to use for a kind of motion in automobile, lock unit is a kind of core apparatus conventional in gearshift in automobile, use lock unit is shifted gears, not only have shift gears light, avoid impacting, the advantage of elimination noise etc., and the advantage that crash change of speed etc. can also be realized.
nullLock unit is mainly by clutch collar、Tooth hub、Synchronize lock ring etc. mechanism composition，His feature is to rely on rubbing action to realize synchronizing，In prior art，Notification number is the open a kind of synchromesh gear hub of utility model patent of " CN202991931U "，It includes the spline being disposed within and the spline tooth group being arranged on outer ring，Several evenly distributed axial grooves it are provided with between adjacent spline tooth group，But in the process of actual production，Owing to install into synchronization lock ring between outer ring with inner ring，So needing to be provided with step trough to hold synchronization lock ring，But in order to ensure the structural strength of tooth hub，So the mode typically via powder metallurgy carrys out forged teeth hub，Simultaneously in " powder metallurgy industry " June the 3rd in 2002 phase the 12nd volume，Disclose and be provided with the drawback that step trough will bring，In the process of powder metallurgy，Wheel hub is pressed in the process of embryo forming at tooth hub in the position of step trough will produce crack，Cause that the yields of tooth hub is not high，In use will cause great risk.
Utility model content
The purpose of this utility model is to provide the tooth hub that structural strength is high.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of tooth hub, including tooth hub body, described tooth hub body includes inner ring and outer ring, described inner ring is provided with spline, the circumference side of described outer ring is provided with the mounting groove being arranged concentrically with outer ring, described outer ring is evenly distributed with several driver slots, outer ring circumferential side wall between adjacent described driver slot is provided with spline block, described spline block is provided with the mounting blocks being connected with mounting groove sliding, described outer ring is provided with and makes mounting blocks fix, with tooth hub body, the fixture being connected.
By adopting technique scheme, it has been arranged concentrically mounting groove by being provided with on the circumference side of outer ring, it is connected to spline block by sliding in mounting groove, it is connected by the mounting blocks below spline block and the sliding between mounting groove, thus spline block is mounted on the outer ring of hub body, making wheel hub and the spline block on external toothing is that split is arranged, naturally form step trough, owing to split is arranged, step trough is to be spliced to form by two different parts, so the crack problem that the position of step trough occurs when will produce powder metallurgy, simultaneously spline block is arranged on tooth hub due to split, so after there is the problem of abrasion on spline block, can be replaced, more save material, simultaneously in this utility model, spline block by fixture achieve with hub body fixing.
As preferably, the vertical sectional shape of described mounting groove is dovetail-shape.
By adopting technique scheme, the mounting groove of swallow-tail form makes the shape of mounting blocks be also configured to swallow-tail form, this setup makes it fixing more stable, it is not susceptible to rocking upwardly or downwardly, the precision of its location is higher, makes machining accuracy be converted into assembly precision, and relative decreases difficulty of processing, prevent spline block from outwards moving, it is prevented that spline block falls out outside mounting groove simultaneously.
As preferably, described outer ring being provided with the first fixing hole, described spline block is provided with the second fixing hole, described fixture and the first fixing hole and the fixing connection of the second fixing hole.
By adopting technique scheme, by being provided with the first fixing hole at the inner side of outer ring, on spline block or mounting blocks, it is provided with the second fixing hole simultaneously, fixture adopts bolt etc., thus spiral shell being inserted simultaneously in the first fixing hole and the second fixing hole, being fixed by threaded engagement and grafting, it is achieved thereby that the removably connecting of spline block and tooth hub body, positioning precision is higher.
As preferably, described mounting groove inwall is provided with the sealing member fitted with mounting blocks.
By adopting technique scheme, by being provided with sealing member at mounting groove inwall, sealing member is rubber ring, rubber ring and outer ring are arranged concentrically, can be arranged on three sidewalls of mounting groove simultaneously, when mounting blocks is mounted in it, rubber ring prevents moving left and right of mounting blocks, make not to be moved between the first fixing hole and the second fixing hole, facilitate fixture to be fed through the first fixing hole and the second fixing hole positions, simultaneously in the process used, spline block can be provided certain elastic force, prevent in the process that tooth hub rotates, cause that due to shock tooth hub ruptures.
As preferably, in described mounting groove, sliding is connected to the fixed block that the sidewall with mounting blocks abuts against.
By adopting technique scheme, owing to mounting blocks is slid onto in mounting groove by needs, mounting groove is again dovetail-shape simultaneously, so the shape of mounting blocks needs to cooperate with driver slot, mounting blocks card just can be made to embed in mounting groove, due to the shape of driver slot arrange too small, so the link position between spline block and mounting groove is too small, so by being provided with fixed block in mounting groove, abutting by fixed block Yu mounting blocks sidewall, achieve the fixing of fixed block and mounting blocks, enhance mounting blocks fixed effect in mounting groove, enhance the structural strength of spline block.
As preferably, being formed with gap between bottom and the outer ring of described spline block.
By adopting technique scheme, it is formed with gap between bottom and the outer ring of spline block, because the situation of high capacity may be brought in the process of high-speed rotation, so spline block is only by fixing that fixture realizes, its structural strength can carry high rotating speed so, so by leaving gap, in process of production, being fixed by the mode welded, welding molten metal enters in gap, the contact area between weld seam and both sides when namely gap adds welding.
As preferably, described gap is of a size of 1-5mm.
By adopting technique scheme, gap is of a size of 1-5MM, if gap be smaller in size than 1MM, soldering fluid cannot be introduced in gap, only can produce cavity in this position, affect the structural strength of tooth hub, if while gap be sized larger than 5MM, weld seam cannot be packed in gap completely, it will causes connection effect bad.
As preferably, the end slope of described outer ring is arranged downwards.
By adopting technique scheme, contact position between outer ring and spline block is the set-up mode that countryside tilts, downward-sloping cycle surface is in the process of welding, soldering fluid can be better made to flow in gap due to the effect of gravity, become the obliquity that 45 degree of angles are arranged simultaneously, compared to the set-up mode at right angle, making the contact area between welding molten metal and outer ring bigger, the fixed effect making both is better.
As preferably, described spline block is provided with escape groove in the both sides up and down of mounting blocks.
By adopting technique scheme, the inner side of spline block is provided with twice escape groove, and escape groove lays respectively at the both sides up and down of mounting blocks, thus avoiding the friction synchronized inside lock ring and spline block, prevent the abrasion in tooth hub rotation process and noise, strengthen result of use.
As preferably, the vertical sectional shape of described escape groove is rectangular.
By adopting technique scheme, the vertical sectional shape of escape groove is preferably rectangular, thus escape groove adapts with the thickness of synchronization lock ring, namely when synchronizing the size generation deviation of lock ring, it is also possible to well install into tooth hub originally internal, strengthens and installs and result of use.
In sum, this utility model has the advantages that by the split between tooth hub body and spline block being arranged, thus the problem avoiding the crackle that can bring in powder metallurgy process, by carrying out sliding connection by mounting blocks and mounting groove between tooth hub body and spline block, both is made to be fixed eventually through fixture, finally make tooth hub body and spline block shape all-in-one-piece structure, strengthen switching performance, can pass through to dismantle fixture simultaneously, after spline wear on spline block, it is replaced at any time, saves cost, improve rotational efficienty.
Accompanying drawing explanation
Fig. 1 is the structural representation of tooth hub；
Fig. 2 is the exploded perspective view of tooth hub；
Fig. 3 is the generalized section of tooth hub；
Fig. 4 is the A portion enlarged diagram of Fig. 3.
In figure, 0, tooth hub body；01, inner ring；011, spline；02, outer ring；021, mounting groove；022, driver slot；1, spline block；11, mounting blocks；2, fixture；31, the first fixing hole；32, the second fixing hole；33, sealing member；4, fixed block；5, gap；6, escape groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
nullAs depicted in figs. 1 and 2，A kind of tooth hub，Including tooth hub body 0，Tooth hub body 0 includes inner ring 01 and outer ring 02，Inner ring 01 is provided with spline 011，The circumference side of outer ring 02 is provided with the mounting groove 021 being arranged concentrically with outer ring 02，Outer ring 02 is evenly distributed with several driver slots 022，Outer ring 02 circumferential side wall between adjacent driven groove 022 is provided with spline block 1，Spline block 1 is provided with the mounting blocks 11 being connected with mounting groove 021 sliding，Outer ring 02 is provided with and makes mounting blocks 11 fixture 2 that be connected fixing with tooth hub body 0，It has been arranged concentrically mounting groove 021 by being provided with on the circumference side of outer ring 02，It is connected to spline block 1 by sliding in mounting groove 021，It is connected by the mounting blocks 11 below spline block 1 and the sliding between mounting groove 021，Thus spline block 1 is mounted on the outer ring 02 of hub body，Wheel hub is made to arrange in split with the spline block 1 on external toothing，Naturally form step trough，Owing to split is arranged，Step trough is to be spliced to form by two different parts，So the crack problem that the position of step trough occurs when will produce powder metallurgy，Simultaneously spline block 1 is arranged on tooth hub due to split，So after there is the problem of abrasion on spline block 1，Can be replaced，More save material，Simultaneously in this utility model，Spline block 1 by fixture 2 achieve with hub body fixing.
As shown in figures 1 and 3, the vertical sectional shape of mounting groove 021 is dovetail-shape, the mounting groove 021 of swallow-tail form makes the shape of mounting blocks 11 be also configured to swallow-tail form, this setup makes it fixing more stable, is not susceptible to rocking upwardly or downwardly, and the precision of its location is higher, machining accuracy is made to be converted into assembly precision, relative decreases difficulty of processing, prevents spline block 1 from outwards moving, it is prevented that spline block 1 falls out outside mounting groove 021 simultaneously.
As shown in Figure 4, outer ring 02 is provided with the first fixing hole 31, spline block 1 is provided with the second fixing hole 32, fixture 2 is fixed be connected with the first fixing hole 31 and the second fixing hole 32, by being provided with the first fixing hole 31 at the inner side of outer ring 02, on spline block 1 or mounting blocks 11, it is provided with the second fixing hole 32 simultaneously, fixture 2 adopts bolt etc., thus spiral shell being inserted simultaneously in the first fixing hole 31 and the second fixing hole 32, fixed by threaded engagement and grafting, it is achieved thereby that the removably connecting of spline block 1 and tooth hub body 0, positioning precision is higher.
As shown in Figure 4, mounting groove 021 inwall is provided with the sealing member 33 fitted with mounting blocks 11, by being provided with sealing member 33 at mounting groove 021 inwall, sealing member 33 is rubber ring, rubber ring and outer ring 02 are arranged concentrically, can be arranged on three sidewalls of mounting groove 021 simultaneously, when mounting blocks 11 is mounted in it, rubber ring prevents moving left and right of mounting blocks 11, make not to be moved between the first fixing hole 31 and the second fixing hole 32, facilitate fixture 2 to be fed through the first fixing hole 31 and the second fixing hole 32 positions, simultaneously in the process used, spline block 1 can be provided certain elastic force, prevent in the process that tooth hub rotates, cause that due to shock tooth hub ruptures.
As shown in Figure 2, in mounting groove 021, sliding is connected to the fixed block 4 that the sidewall with mounting blocks 11 abuts against, owing to mounting blocks 11 is slid onto in mounting groove 021 by needs, mounting groove 021 is again dovetail-shape simultaneously, so the shape of mounting blocks 11 needs to cooperate with driver slot 022, mounting blocks 11 card just can be made to embed in mounting groove 021, due to the shape of driver slot 022 arrange too small, so the link position between spline block 1 and mounting groove 021 is too small, so by being provided with fixed block 4 in mounting groove 021, abutting by fixed block 4 with mounting blocks 11 sidewall, achieve the fixing of fixed block 4 and mounting blocks 11, enhance the mounting blocks 11 fixed effect in mounting groove 021, enhance the structural strength of spline block 1.
As shown in Figure 4, it is formed with gap 5 between bottom and the outer ring 02 of spline block 1, it is formed with gap 5 between bottom and the outer ring 02 of spline block 1, because the situation of high capacity may be brought in the process of high-speed rotation, so spline block 1 is only by fixing that fixture 2 realizes, its structural strength can carry high rotating speed so, so by leaving gap 5, in process of production, it is fixed by the mode welded, welding molten metal enters in gap 5, the contact area between weld seam and both sides when namely gap 5 adds welding；Gap 5 is of a size of 1-5mm, gap 5 is of a size of 1-5MM, if gap 5 be smaller in size than 1MM, soldering fluid cannot be introduced in gap 5, only can produce cavity in this position, affect the structural strength of tooth hub, if while gap 5 be sized larger than 5MM, weld seam cannot be packed in gap 5 completely, it will causes connection effect bad.
As shown in Figure 4, the end slope of outer ring 02 is arranged downwards, contact position between outer ring 02 and spline block 1 is the set-up mode that countryside tilts, downward-sloping outer ring 02 end face is in the process of welding, can better make soldering fluid flow in gap 5 due to the effect of gravity, become the obliquity that 45 degree of angles are arranged, compared to the set-up mode at right angle simultaneously, making the contact area between welding molten metal and outer ring 02 bigger, the fixed effect making both is better.
As shown in Figure 4, spline block 1 is provided with escape groove 6 in the both sides up and down of mounting blocks 11, the inner side of spline block 1 is provided with twice escape groove 6, escape groove 6 lays respectively at the both sides up and down of mounting blocks 11, thus avoiding the friction synchronized inside lock ring and spline block 1, prevent the abrasion in tooth hub rotation process and noise, strengthen result of use.
As shown in Figure 4, the vertical sectional shape of escape groove 6 is rectangular, and the vertical sectional shape of escape groove 6 is preferably rectangular, thus escape groove 6 adapts with the thickness of Tong Bu lock ring, namely, when synchronizing the size generation deviation of lock ring, it is also possible to well install in tooth hub body 0, strengthen and install and result of use.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification, but as long as being affected by the protection of Patent Law in right of the present utility model.
Claims (10)
1. a tooth hub, including tooth hub body (0), described tooth hub body (0) includes inner ring (01) and outer ring (02), described inner ring (01) is provided with spline (011), it is characterized in that: the circumference side of described outer ring (02) is provided with the mounting groove (021) being arranged concentrically with outer ring (02), described outer ring (02) is evenly distributed with several driver slots (022), outer ring (02) circumferential side wall between adjacent described driver slot (022) is provided with spline block (1), described spline block (1) is provided with the mounting blocks (11) being connected with mounting groove (021) sliding, described outer ring (02) is provided with and makes the fixing fixture (2) being connected of mounting blocks (11) and tooth hub body (0).
2. tooth hub according to claim 1, it is characterised in that: the vertical sectional shape of described mounting groove (021) is dovetail-shape.
3. tooth hub according to claim 1, it is characterized in that: described outer ring (02) is provided with the first fixing hole (31), being provided with the second fixing hole (32) on described spline block (1), described fixture (2) is fixing with the first fixing hole (31) and the second fixing hole (32) to be connected.
4. tooth hub according to claim 1, it is characterised in that: described mounting groove (021) inwall is provided with the sealing member (33) fitted with mounting blocks (11).
5. tooth hub according to claim 1, it is characterised in that: described mounting groove (021) interior sliding is connected to the fixed block (4) that the sidewall with mounting blocks (11) abuts against.
6. tooth hub according to claim 1, it is characterised in that: it is formed with gap (5) between bottom and outer ring (02) of described spline block (1).
7. tooth hub according to claim 6, it is characterised in that: described gap (5) are of a size of 1-5mm.
8. tooth hub according to claim 6, it is characterised in that: the end slope of described outer ring (02) is arranged downwards.
9. tooth hub according to claim 8, it is characterised in that: described outer ring (02) is provided with escape groove (6) in the both sides up and down of spline block (1).
10. tooth hub according to claim 9, it is characterised in that: the vertical sectional shape of described escape groove (6) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169526.7U CN205388108U (en) | 2016-03-05 | 2016-03-05 | Tooth hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169526.7U CN205388108U (en) | 2016-03-05 | 2016-03-05 | Tooth hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205388108U true CN205388108U (en) | 2016-07-20 |
Family
ID=56375764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620169526.7U Expired - Fee Related CN205388108U (en) | 2016-03-05 | 2016-03-05 | Tooth hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205388108U (en) |
-
2016
- 2016-03-05 CN CN201620169526.7U patent/CN205388108U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101418838B (en) | Disc brake and method for producing same | |
| CN1829873A (en) | Planet carrier for a gearbox | |
| US7452300B2 (en) | Rotary-shaft support device | |
| EP2048412B1 (en) | Method of producing mechanism for converting rotational motion into linear motion | |
| CN101813139B (en) | Universal joint | |
| CN104882812B (en) | Instrument changed by Multifunction transformer respirator | |
| CN101439455A (en) | Bushing directional pressing method | |
| CN103527665B (en) | A kind of two circumference spring synchronizer | |
| CN103216543A (en) | Car synchronizer | |
| CN106195067A (en) | The driving assembly and manufacture the manufacture method of this driving assembly of a kind of parking braking clamp | |
| CN101482164A (en) | Differential assembly and method for manufacturing same | |
| CN205388108U (en) | Tooth hub | |
| CN105889352A (en) | Transmitter for manual transmission for motor vehicle, assembly with transmitter, transmission shaft and transmission gear as well as transmission | |
| CN103225655B (en) | A shift gear driver of a flywheel synchronous transmission | |
| CN101932853A (en) | Differential cage made of half shells and method for producing a differential cage | |
| CN201277133Y (en) | Isolator for vehicle starter | |
| CN103228427A (en) | Modular molding system | |
| CN202732765U (en) | Slider type synchronizer | |
| CN107022876B (en) | Brake wheel of washing machine speed reduction clutch and processing method | |
| CN103671613A (en) | Multi-conical-surface synchronizer | |
| CN103133555A (en) | Clutch body and method for manufacturing same | |
| CN205401640U (en) | Three fourth gear tooth covers | |
| CN207049290U (en) | A kind of gear | |
| CN101122322A (en) | Stepless gear change with centrifugal clutch and its manufacture method | |
| CN205937705U (en) | Cam follower and drive mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160720 |