CN206856787U - A kind of 18 tooth jackshafts using two-part spline - Google Patents
A kind of 18 tooth jackshafts using two-part spline Download PDFInfo
- Publication number
- CN206856787U CN206856787U CN201720685274.8U CN201720685274U CN206856787U CN 206856787 U CN206856787 U CN 206856787U CN 201720685274 U CN201720685274 U CN 201720685274U CN 206856787 U CN206856787 U CN 206856787U
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- China
- Prior art keywords
- tooth
- splined
- hot forging
- fork
- areas
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- 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
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- 238000005242 forging Methods 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
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Abstract
It the utility model is related to automobile steering system technical field, concretely it is a kind of 18 tooth jackshafts using two-part spline, the utility model is by using the tooth splined sleeve of two-part 18, end connection section fork region is using the bigger splined sleeve of inner diameter size, connected between two sections of splined sleeves by rounding off region, even if because press-in section fork causes spline size to shrink, but because the size of 18 tooth splined areas two is bigger, it is enough to offset its amount of contraction, avoids splined shaft from producing clamping stagnation problem when sliding.
Description
Technical field
Automobile steering system technical field is the utility model is related to, is concretely a kind of 18 teeth using two-part spline
Jackshaft.
Background technology
Jackshaft is an important spare part in automobile steering system, and its one end connection tubing string, other end, which connects, to be turned
To machine, have and transmit radial direction moment of torsion, act in axial sliding.
The tooth jackshaft of one kind 18 in the steering of vehicle, is mainly used in by the larger situation of moment of torsion.Fixed by hot forging
Section fork, hot forging swing the compositions such as knot fork, 18 tooth splined tubes, 18 tooth splined shafts.One end connecting tube fixed knot fork of 18 tooth splined tubes,
One end connecting shaft fixed knot fork of 18 tooth splined shafts.Wherein splined tube and splined shaft all have 18 teeth, pass through matching somebody with somebody for interior external splines
Close and transmit torque.
For existing 18 tooth jackshaft, the schematic diagram of 18 tooth splined tubes is as shown in figure 3, its internal splines is added by outstanding forging
Work is formed, by being found during practice, because the section fork of splined end press-in cooperation can cause end regions to deform, from
And cause the spline size of end regions to reduce, when splined shaft slides axially to this region, it may occur that catching phenomenon, end
The skid force in region can be very big.
A kind of new jackshaft for avoiding splined shaft that catching phenomenon occurs is designed for this to be extremely necessary.
The content of the invention
The utility model breaches the problem of prior art, devise it is a kind of avoid splined shaft occur catching phenomenon it is new
Jackshaft.
In order to achieve the above object, the utility model devises a kind of 18 tooth jackshafts using two-part spline, including：
Hot forging swings section fork, hot forging fixed knot fork, 18 tooth splined shafts and the tooth splined sleeve of two-part 18, it is characterised in that：Hot forging is swung
The openend of section fork one is connected using connecting shaft with one end of hot forging fixed knot fork one, the other end and 18 of hot forging fixed knot fork one
One end of tooth splined shaft is connected, and the other end of 18 tooth splined shafts is set in one end of the tooth splined sleeve of two-part 18, two-part
The other end of 18 tooth splined sleeves is connected with one end of hot forging fixed knot fork two, and the other end of hot forging fixed knot fork two is using another
The openend that connecting shaft swings section fork two with hot forging is connected, and the tooth splined sleeve of two-part 18 is by 18 tooth splined areas one, mistake
Region, 18 tooth splined areas two are crossed to form, the interior diameters of 18 tooth splined areas one is less than the interior diameter of 18 tooth splined areas two, and 18
It is connected between tooth splined area one and 18 tooth splined areas two using transitional region.
The transitional region inwall is smooth.
Compared with prior art, by using the tooth splined sleeve of two-part 18, end connection section pitches region to the utility model
Using the bigger splined sleeve of inner diameter size, connected between two sections of splined sleeves by rounding off region, even if due to pressure
Entering to save fork causes spline size to shrink, but because the size of 18 tooth splined areas two is bigger, it is sufficient to its amount of contraction is offset, is avoided
Clamping stagnation problem is produced when splined shaft slides.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the tooth splined sleeve of two-part 18 in the utility model.
Fig. 3 is the structural representation of 18 tooth splined sleeves of prior art.
Referring to Fig. 1 ~ 2,1 is that hot forging swings section fork one, and 2 be hot forging fixed knot fork one, and 3 be 18 tooth splined shafts, and 4 be two-part
18 tooth splined sleeves, 5 be hot forging fixed knot fork two, and 6 be that hot forging swings section fork two, and 7 be 18 tooth splined areas one, and 8 be transition region
Domain, 9 be 18 tooth splined areas two.
Embodiment
The utility model is described further with reference to accompanying drawing.
Referring to Fig. 1 ~ 2, the utility model devises a kind of 18 tooth jackshafts using two-part spline, including：Hot forging is put
Dynamic section fork, hot forging fixed knot fork, 18 tooth splined shafts and the tooth splined sleeve of two-part 18, it is characterised in that：Hot forging swings section fork 1
Openend be connected using one end of connecting shaft and hot forging fixed knot fork 1, the other end and 18 teeth flower of hot forging fixed knot fork 1
One end of key axle 3 is connected, and the other end of 18 tooth splined shafts 3 is set in one end of the tooth splined sleeve 4 of two-part 18, two-part 18
The other end of tooth splined sleeve 4 is connected with one end of hot forging fixed knot fork 25, and the other end of hot forging fixed knot fork 25 is using another
The openend that one connecting shaft swings section fork 26 with hot forging is connected, and the tooth splined sleeve 4 of two-part 18 is by 18 tooth splined areas one
7th, transitional region 8,18 tooth splined areas 29 composition, the interior diameter of 18 tooth splined areas 1 are less than 18 tooth splined areas 29
Interior diameter, it is connected between 18 tooth splined areas 1 and 18 tooth splined areas 29 using transitional region 8.
The inwall of transitional region 8 is smooth in the utility model.
In specific implementation, the utility model is adopted by using the tooth splined sleeve of two-part 18, end connection section fork region
With the bigger splined sleeve of inner diameter size, connected between two sections of splined sleeves by rounding off region, even if due to press-in
Section fork causes spline size to shrink, but because the size of 18 tooth splined areas two is bigger, it is sufficient to its amount of contraction is offset, avoids spending
Clamping stagnation problem is produced when key axle slides.
Claims (2)
1. a kind of 18 tooth jackshafts using two-part spline, including：Hot forging swings section fork, hot forging fixed knot fork, 18 tooth splines
Axle and the tooth splined sleeve of two-part 18, it is characterised in that：Hot forging swings section fork one（1）Openend consolidated using connecting shaft with hot forging
Fixed section fork one（2）One end be connected, hot forging fixed knot fork one（2）The other end and 18 tooth splined shafts（3）One end be connected, 18 teeth
Splined shaft（3）The other end be set in the tooth splined sleeve of two-part 18（4）One end in, the tooth splined sleeve of two-part 18（4）'s
The other end and hot forging fixed knot fork two（5）One end be connected, hot forging fixed knot fork two（5）The other end using another connecting shaft with
Hot forging swings section fork two（6）Openend be connected, the tooth splined sleeve of two-part 18（4）By 18 tooth splined areas one（7）, mistake
Cross region（8）, 18 tooth splined areas two（9）Composition, 18 tooth splined areas one（7）Interior diameter be less than 18 tooth splined areas two
（9）Interior diameter, 18 tooth splined areas one（7）With 18 tooth splined areas two（9）Between use transitional region（8）It is connected.
A kind of 2. 18 tooth jackshafts using two-part spline according to claim 1, it is characterised in that：The transition region
Domain（8）Inwall is smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685274.8U CN206856787U (en) | 2017-06-12 | 2017-06-12 | A kind of 18 tooth jackshafts using two-part spline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685274.8U CN206856787U (en) | 2017-06-12 | 2017-06-12 | A kind of 18 tooth jackshafts using two-part spline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206856787U true CN206856787U (en) | 2018-01-09 |
Family
ID=60832032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720685274.8U Expired - Fee Related CN206856787U (en) | 2017-06-12 | 2017-06-12 | A kind of 18 tooth jackshafts using two-part spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206856787U (en) |
-
2017
- 2017-06-12 CN CN201720685274.8U patent/CN206856787U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190322 Address after: 430208 No. 66 General Avenue, Jingang New Area, Jiangxia Economic Development Zone, Wuhan City, Hubei Province Patentee after: BOSHI HUAYU TURNING SYSTEM (WUHAN) CO.,LTD. Address before: No. 2001 Yongsheng Road, Jiading District, Shanghai, 201821 Patentee before: BOSCH HUAYU STEERING SYSTEMS Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 |