CN208203866U - Epb inhaul cable assembly - Google Patents
Epb inhaul cable assembly Download PDFInfo
- Publication number
- CN208203866U CN208203866U CN201820631588.4U CN201820631588U CN208203866U CN 208203866 U CN208203866 U CN 208203866U CN 201820631588 U CN201820631588 U CN 201820631588U CN 208203866 U CN208203866 U CN 208203866U
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- screw thread
- epb
- cable assembly
- inhaul cable
- screw rod
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Abstract
A kind of EPB inhaul cable assembly provided by the utility model, comprising: screw rod and drag-line swivel nut；It is equipped with through-hole inside the drag-line swivel nut, internal screw thread is equipped in the through-hole, the lead angle of internal screw thread is 30 ± 0.5 °, has external screw thread compatible with internal screw thread on the screw rod.In a first aspect, the utility model uses 30 ± 0.5 ° of internal screw thread, the resistance for being driven propulsion between assembly drag-line swivel nut and screw rod is reduced, the service life of screw thread is improved.
Description
Technical field
The utility model relates to field of automobile parts and components, and in particular to a kind of EPB inhaul cable assembly.
Background technique
Existing EPB(electronic parking system) in inhaul cable assembly, be driven between drag-line swivel nut and screw rod the resistance of propulsion compared with
Greatly, so that screw thread is prone to wear.
Such as: application No. is the patent documents of CN201720006450.0 to disclose " a kind of new screw screw bushing structure "
Patent document announces a kind of screw rod screw bushing structure, and the angle setting between drag-line swivel nut and screw rod is unreasonable, leads to drag-line spiral shell
The resistance that propulsion is driven between set and screw rod is larger, so that screw thread is prone to wear.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of EPB inhaul cable assembly, solve existing inhaul cable assembly drag-line swivel nut and
The resistance that propulsion is driven between screw rod is larger, so that the defect that screw thread is prone to wear.
(2) technical solution
In order to solve the above-mentioned technical problem, a kind of EPB inhaul cable assembly provided by the utility model, comprising: screw rod and drag-line
Swivel nut；It is equipped with through-hole inside the drag-line swivel nut, is equipped with internal screw thread in the through-hole, the lead angle of internal screw thread is 30 ±
0.5 °, there is external screw thread compatible with internal screw thread on the screw rod.In a first aspect, the utility model is interior using 30 ± 0.5 °
Screw thread reduces the resistance that propulsion is driven between assembly drag-line swivel nut and screw rod, improves the service life of screw thread.
Preferably, the externally threaded lead angle is 30 ± 0.5 °.
Preferably, the external screw thread has first side and second side, the first side and spiral shell under axial section
Angle between rod end surface is lead angle, and the angle between second side and screw rod end face is 9 ± 0.5 °.On the other hand, originally
The external screw thread of utility model has second side, and the angle between second side and screw rod end face is 9 ± 0.5 °, with first party
The phase structure in face reduces total which further reduces the abrasion between the second side of internal screw thread and external screw thread first side
At the resistance for being driven propulsion between drag-line swivel nut and screw rod, the service life of screw thread is improved；Importantly, only relying on drag-line
Swivel nut self gravity can unlock inhaul cable assembly, realize the not self-locking function of inhaul cable assembly；Its operation is smooth fluent,
The staring torque that screw rod screws in drag-line swivel nut is not less than 0.040N.m.
Preferably, the internal screw thread and external screw thread are multiple thread.Multiple thread is set, further reduced assembly drag-line
It is driven the resistance of propulsion between swivel nut and screw rod, improves the service life of screw thread.
Preferably, drag-line swivel nut one end has fixing end, and the fixing end includes collar flange and is located at cyclic annular convex
Boss on the outside of edge；The collar flange periphery protrudes outward to form holding section with multiple.
Preferably, the boss includes cylindrical pedestal and rotary table；The rotary table top is recessed inwardly to form fixing groove,
The fixing groove is obliquely extended to pedestal top by rotary table top outward.
Preferably, the screw rod includes shaft and head, and the external screw thread is located on the lateral wall of shaft.
Preferably, the head closes on shaft one end with cricoid protection department, and the protection department outside is also fixedly connected
Tractive unit, the tractive unit are recessed inwardly to form cricoid card slot far from the side of protection department.
Preferably, the protection department closes on the stop block for being fixed with bar shaped on one side of shaft, stop block one end connection
Shaft；The stop block has slope far from one end of shaft.Stop block make screw rod screw in drag-line set after, stop block with it is convex
The height of platform lap is larger, effectively prevent being transferred to for further screw rod, prevents the excessive torsion of screw rod.
Preferably, the screw rod and drag-line swivel nut are cold-heading molding.
(3) beneficial effect
A kind of EPB inhaul cable assembly provided by the utility model, has the advantage that
1, in a first aspect, the utility model uses 30 ± 0.5 ° of internal screw thread, reduce assembly drag-line swivel nut and screw rod it
Between be driven the resistance of propulsion, improve the service life of screw thread.
2, on the other hand, the external screw thread of the utility model has second side, and between second side and screw rod end face
Angle is 9 ± 0.5 °, and the phase structure with first aspect, which further reduces the second sides of internal screw thread and the first side of external screw thread
Abrasion between face reduces the resistance that propulsion is driven between assembly drag-line swivel nut and screw rod, improves the service life of screw thread；
Importantly, inhaul cable assembly can be unlocked by only relying on drag-line swivel nut self gravity, the not self-locking function of inhaul cable assembly is realized
Energy；Its operation is smooth fluent, and the staring torque that screw rod screws in drag-line swivel nut is not less than 0.040N.m.
3, after stop block makes screw rod screw in drag-line set, the height of stop block and boss lap is larger, effectively anti-
Only further screw rod is transferred to, and prevents the excessive torsion of screw rod.
Detailed description of the invention
Fig. 1 is the drag-line swivel nut schematic perspective view of the EPB inhaul cable assembly of the embodiments of the present invention 1；
Fig. 2 is the drag-line swivel nut fixing end head-up structural schematic diagram of Fig. 1 of the embodiments of the present invention 1；
Fig. 3 is the D-D the schematic diagram of the section structure of Fig. 2 drag-line swivel nut of the embodiments of the present invention 1；
Fig. 4 is the F partial enlargement structural representation of Fig. 3 drag-line swivel nut of the embodiments of the present invention 1；
Fig. 5 is the partial profile structure of the screw rod of the embodiments of the present invention 1；
Fig. 6 is the schematic perspective view of the screw rod of the embodiments of the present invention 1.
1, screw rod；2, drag-line swivel nut；3, fixing end；4, collar flange；5, boss；6, holding section；7, pedestal；8, rotary table；
9, fixing groove；10, shaft；11, head；12, protection department；13, tractive unit；14, stop block；15, slope；16, through-hole；17,
One side；18, second side；19, fin.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
Embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of EPB inhaul cable assembly provided by the utility model, comprising:
Screw rod 1 and drag-line swivel nut 2；The screw rod and drag-line swivel nut are cold-heading molding.Drag-line swivel nut one end has fixing end 3,
The fixing end includes collar flange 4 and the boss 5 on the outside of collar flange；The collar flange periphery is outside with eight
Protrusion forms holding section 6.The boss includes cylindrical pedestal 7 and rotary table 8；The rotary table top is recessed inwardly to form fixation
Slot 9, rotary table have four groups of fixing grooves.The fixing groove is obliquely extended to pedestal top by rotary table top outward.
The screw rod includes shaft 10 and head 11, and the external screw thread is located on the lateral wall of shaft.The head is closed on
Shaft one end has cricoid protection department 12, tractive unit 13 is also fixedly connected on the outside of the protection department, the tractive unit is far from anti-
The side in shield portion is recessed inwardly to form cricoid card slot.The protection department closes on the stop block for being fixed with bar shaped on one side of shaft
14, described stop block one end connects shaft；The stop block has slope 15 far from one end of shaft.Stop block revolves screw rod
After entering drag-line set, the height of stop block and boss lap is larger, effectively prevent being transferred to for further screw rod, prevents screw rod
Excessive torsion.In the shaft end insertion head, it is inserted on the outside of the shaft of head and is equipped with multiple fins 19.
It is equipped with through-hole 16 inside the drag-line swivel nut, internal screw thread is equipped in the through-hole, the lead angle of internal screw thread is 30
± 0.5 °, there is external screw thread compatible with internal screw thread on the screw rod.The internal screw thread and external screw thread are multiple thread.It is described
Externally threaded lead angle is 30 ± 0.5 °.The external screw thread has first side 17 and second side 18, institute under axial section
Stating the angle between first side and screw rod end face is lead angle, the angle between second side and screw rod end face is 9 ±
0.5°；The staring torque that screw rod screws in drag-line swivel nut is not less than 0.040N.m.
When the embodiments of the present invention are implemented, screw rod is inserted in from the boss of drag-line swivel nut, and turns tightly screw rod to be screwed in
On drag-line swivel nut.
Embodiment 2
A kind of EPB inhaul cable assembly provided by the utility model, comprising: screw rod and drag-line swivel nut；Inside the drag-line swivel nut
Equipped with through-hole, internal screw thread is equipped in the through-hole, the lead angle of internal screw thread is 30 ± 0.5 °, is had and interior spiral shell on the screw rod
The compatible external screw thread of line.
The various embodiments described above are merely to illustrate the utility model, wherein the structure of each component, connection type etc. are all can be with
It is varied, all equivalents and improvement carried out on the basis of technical solutions of the utility model should not exclude
Except the protection scope of the utility model.
Claims (10)
1. a kind of EPB inhaul cable assembly characterized by comprising screw rod and drag-line swivel nut；
It is equipped with through-hole inside the drag-line swivel nut, internal screw thread is equipped in the through-hole, the lead angle of internal screw thread is 30 ± 0.5 °,
There is external screw thread compatible with internal screw thread on the screw rod.
2. EPB inhaul cable assembly as described in claim 1, which is characterized in that the externally threaded lead angle is 30 ± 0.5 °.
3. EPB inhaul cable assembly as claimed in claim 2, which is characterized in that the external screw thread has first under axial section
Side and second side, the angle between the first side and screw rod end face are lead angle, second side and screw rod end face
Between angle be 9 ± 0.5 °.
4. the EPB inhaul cable assembly as described in claims 1 or 2 or 3, which is characterized in that the internal screw thread and external screw thread are more
Head thread.
5. the EPB inhaul cable assembly as described in claims 1 or 2 or 3, which is characterized in that drag-line swivel nut one end, which has, to be fixed
End, the fixing end includes collar flange and the boss on the outside of collar flange；The collar flange periphery have it is multiple to
Outer protrusion forms holding section.
6. EPB inhaul cable assembly as claimed in claim 5, which is characterized in that the boss includes cylindrical pedestal and rotary table；
The rotary table top is recessed inwardly to form fixing groove, and the fixing groove is obliquely extended to pedestal top by rotary table top outward.
7. the EPB inhaul cable assembly as described in claims 1 or 2 or 3, which is characterized in that the screw rod includes shaft and head, institute
External screw thread is stated to be located on the lateral wall of shaft.
8. EPB inhaul cable assembly as claimed in claim 7, which is characterized in that the head closes on shaft one end with cricoid
Protection department, the protection department outside are also fixedly connected with tractive unit, and the tractive unit is recessed inwardly to be formed far from the side of protection department
Cricoid card slot.
9. EPB inhaul cable assembly as claimed in claim 8, which is characterized in that the protection department closes on being fixed on one side for shaft
The stop block of bar shaped, described stop block one end connect shaft；The stop block has slope far from one end of shaft.
10. the EPB inhaul cable assembly as described in claims 1 or 2 or 3, which is characterized in that the screw rod and drag-line swivel nut are cold
Upsetting molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820631588.4U CN208203866U (en) | 2018-04-28 | 2018-04-28 | Epb inhaul cable assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820631588.4U CN208203866U (en) | 2018-04-28 | 2018-04-28 | Epb inhaul cable assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203866U true CN208203866U (en) | 2018-12-07 |
Family
ID=64522508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820631588.4U Active CN208203866U (en) | 2018-04-28 | 2018-04-28 | Epb inhaul cable assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208203866U (en) |
-
2018
- 2018-04-28 CN CN201820631588.4U patent/CN208203866U/en active Active
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