CN109301647B - Clock spring with positioning mechanism and mounting and positioning method thereof - Google Patents
Clock spring with positioning mechanism and mounting and positioning method thereof Download PDFInfo
- Publication number
- CN109301647B CN109301647B CN201811112925.XA CN201811112925A CN109301647B CN 109301647 B CN109301647 B CN 109301647B CN 201811112925 A CN201811112925 A CN 201811112925A CN 109301647 B CN109301647 B CN 109301647B
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- upper cover
- locking block
- rotating ring
- stator
- positioning
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 239000003292 glue Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Abstract
The clock spring with the positioning mechanism and the installation and positioning method thereof aim to prevent rotation by self-locking the positioning pin under the action of the spring after the steering wheel is removed; the invention comprises a rotor mechanism and a stator mechanism; the rotor mechanism comprises a rotating ring, a locating pin, a signal transfer box, an adapter plate and a spring, and the stator mechanism comprises an upper cover, a stator rubber box and a base; the positioning pin is of a hollow cylindrical structure, one side of the positioning pin is provided with a clamping hook guide block, and the other side of the positioning pin is provided with a convex locking block; the upper end of the rotating ring cylinder is provided with a cylindrical hole, one side of the cylindrical hole is provided with a long opening, and the other side of the cylindrical hole is provided with a rectangular barb groove; the signal transfer box is arranged at the upper end of the cylinder, and the transfer plate is arranged at the inner side of the signal transfer box; the upper cover comprises a rotating surface, a clamping groove and a boss; the rotating surface is close to the upper end of the upper cover, and bosses are uniformly distributed on the outer ring of the upper cover along the circumferential direction; the center of the base is provided with an inner through hole larger than the outer diameter of the rotating ring, grooves are uniformly distributed on the outer ring of the base, and the positions of the grooves correspond to the positions of the boss on the upper cover.
Description
Technical Field
The invention relates to a novel automobile clock spring, in particular to a clock spring with a positioning mechanism and an installation and positioning method thereof.
Background
The clock spring is a key component for the multifunctional key of the steering wheel and the safety air bag of the automobile, and is generally arranged below the steering wheel, and when the steering wheel rotates left and right, the normal circuit connection of the safety air bag, the horn switch and other electrical components is ensured. The clock spring plays a very important role in an automobile safety system, and plays roles in transmitting electric signals and forming a loop so as to ensure that an airbag is opened to protect the life safety of a driver and passengers in the event of collision. If the loops of the clock spring are not normally connected, the safety airbag cannot be opened, so that the life safety of passengers cannot be effectively protected. The common clock spring is limited in number of turns, so that the clock spring always keeps a centering position from delivery to installation on the steering wheel, and therefore, a centering position positioning mechanism needs to be designed on the clock spring when delivery, and after Zhong Danhuang is installed in place, the clock spring can work normally after the steering wheel is installed. However, because the number of the conducting loops is large, the outer space is limited, more shells cannot be arranged, the positions of the positioning pins cannot be arranged, and a clock spring with an inner positioning mechanism is very necessary to design.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the clock spring with the positioning mechanism and the mounting and positioning method thereof, wherein the clock spring can rotate in the effective circle after being mounted with the steering wheel, and the positioning pin can be self-locked under the action of the spring after the steering wheel is removed so as to prevent rotation and reduce the operation procedures of users.
The invention comprises a rotor mechanism and a stator mechanism; the rotor mechanism comprises a rotating ring, a locating pin, a signal transfer box, an adapter plate and a spring, and the stator mechanism comprises an upper cover, a stator rubber box and a base. The locating pin is of a hollow cylindrical structure with one end open and the other end closed, a clamping hook guide block is arranged on one side outside the locating pin cylinder, a convex locking block is arranged on the other side, and the guide block and the locking block are not on the same diameter line; the diameter of the inner hole of the positioning pin is larger than the outer diameter of the spring; the clamping hook guide block is in an inverted U shape, and the outer end of the bottom of the inverted U shape is provided with a hook vertical to the outer straight surface of the inverted U shape; the locking block is a square bulge perpendicular to the outer circle of the cylinder. The rotating ring is cylindrical, a cylindrical hole is formed in the upper end of the cylinder, a long opening is formed in one side of the cylindrical hole, a rectangular barb groove is formed in the other side of the cylindrical hole, the width and the length of the long opening are both larger than those of a locking block on the locating pin, the width and the length of the rectangular guide hook groove are both larger than those of a clamping hook guide block of the locating pin, the locating pin can move up and down under the action of spring compression force under the guide of the rectangular guide hook groove and the long opening, the signal transfer box is arranged at the upper end of the cylinder and is of an integral structure with the cylinder, part of materials are removed from the inner side of the signal transfer box, and a thin wall is reserved for fixing the adapter plate. The upper cover is a hollow annular shell and comprises a rotating surface, a clamping groove and a boss, wherein the rotating surface is arranged at the inner side perpendicular to an inner hole of the upper cover, the width of the rotating surface is larger than the length of the locking block, the rotating surface is required to be smooth and smooth, a clamping groove lower than the rotating surface is arranged at the included angle between the inner hole wall and the rotating surface, the length of the clamping groove is slightly larger than the length of the locking block, the width is twice the width of the locking block, and the thickness is equal to the thickness of the locking block; the rotating ring and the locking block rotate on the rotating surface, when the positioning pin rotates to the clamping groove, the locking block is jacked into the clamping groove, and the outer ring of the upper cover is uniformly provided with the bosses along the circumferential direction. The base is annular, an inner through hole larger than the outer diameter of the rotating ring is arranged in the center of the annular, grooves are uniformly distributed on the outer ring of the base, and the positions of the grooves correspond to the positions of the boss on the upper cover. The stator glue box is square structure, is arranged on the outer circle of the stator upper cover and is used for placing and fixing the contact pin connector.
The clock spring welding assembly is an electric signal transmission system for communicating the safety airbag, the steering wheel keys and the whole vehicle and comprises a contact pin connector, an adapter plate and a flat cable; the flat cable is made of double-sided film coating based on a plurality of copper strips, has a flat structure, is flexible, is spirally wound on an inner ring, is arranged in a stator mechanism, is formed by stamping a contact pin connector and an adapter plate through a brass plate, and is externally and partially encapsulated with insulating materials. The exposed parts at the two ends of each copper strip are used as conducting joints and are respectively welded with the pin connector and the adapter plate in an ultrasonic mode, and after welding, the pin connector is conducted with the exposed pins on the adapter plate through the flat cable. The flat cable is wound and loosened along with clockwise and anticlockwise rotation of the rotating mechanism, and when the factory positioning pin locking block is clamped into the clamping groove, the clock spring is enabled to effectively rotate in the clockwise direction and anticlockwise direction to be equal to the clock spring in the middle position in the length direction of the flat cable.
The guide block of the locating pin hook is hooked on the guide hook groove of the rotating ring, so that the locating pin can be prevented from falling off, and the internal spring has precompression. The upper end of the rotating ring is provided with an upper cover, the lower end of the rotating ring is provided with a base, a boss of the upper cover and a groove of the base are buckled to form a stator mechanism, a rotor mechanism rotates between the upper cover and an inner hole of the base, when a locking block on a positioning pin rotates to a clamping groove of the upper cover, the positioning pin is jacked up under the action of spring force, the locking block is separated from a rotating surface and bounces into the clamping groove of the upper cover, and the rotor mechanism is limited to rotate to complete positioning.
The method for installing and positioning the clock spring with the positioning mechanism comprises the following steps:
(1) One end of an adapter plate of the clock spring welding assembly is arranged in a rotating ring signal adapter box, the other end of the adapter plate is arranged in a stator rubber box, a flat cable (FFC) is wound along the outlet direction of the rotating ring and is arranged in an inner hole of an upper cover in a homeotropic manner, the lower end of the rotating ring is buckled with a base, and a rotor mechanism and the welding assembly are placed in a stator mechanism to finish assembly;
(2) After the locating pin arranged on the rotating ring is pressed, the locating pin locking block is separated from the limit of the clamping groove, and can freely rotate along with the rotating ring. When leaving the factory, the locating pin is in a release state, and under the action of the spring, the locking block is jacked into the clamping groove of the upper cover, and the whole locating is completed.
When the automobile steering wheel is installed, the positioning pin is pressed down, the spring is pressed, the locking block is separated from the clamping groove of the upper cover, the rotating ring can freely rotate in the effective circle number, when the automobile front wheel is aligned and the steering wheel is removed, the positioning pin is sprung up under the action of the spring, the locking block is clamped in the clamping groove, and the clock spring is used for positioning.
The invention is suitable for clock springs with limited space and no positioning pin structure can be additionally installed; the clock spring can be guaranteed to rotate in the number of the effective coils after being installed on the steering wheel, and the positioning pin can be self-locked under the action of the spring after the steering wheel is removed so as to prevent rotation; compared with the existing positioning structure, the structure is compact, the volume is small, and the installation is convenient; the operation procedures when a customer uses are reduced, and when the steering wheel is installed, the locking block is automatically separated from the clamping groove, so that the rotor can freely rotate; the positioning pin can be repeatedly used, and the positioning pin automatically completes the positioning function without adopting other modes when the automobile is reworked.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a cross-sectional view of the detent pin of FIG. 1 in the direction of line A-A;
FIG. 3 is a schematic view of a locating pin and spring configuration;
FIG. 4 is a schematic diagram of a rotor mechanism;
FIG. 5 is a schematic top view of the present invention;
fig. 6 is a sectional view taken along line B-B in fig. 5.
In the figure: 1. locating pin, 2, spring, 3, rotating ring, 4, upper cover, 5, base, 6, hook guide block, 7, locking block, 8, cylindrical hole, 9, elongated opening, 10, barb groove, 11, boss, 12, clamping groove, 13, rotating face, 14, inner hole, 15, inner through hole, 16, groove, 17, stator rubber box, 18, pulling post, 19, mounting hook, 20, signal transfer box, 21, adapter plate, 22, pin connector, 23, flat cable.
Detailed Description
The following is a further detailed description of the embodiments and the accompanying drawings:
the locating pin 1 is of a hollow cylindrical structure with one end open and the other end closed, a clamping hook guide block 6 is arranged on one side outside the cylinder of the locating pin 1, a convex locking block 7 is arranged on the other side, and the clamping hook guide block 6 and the locking block 7 are not on the same diameter line; the diameter of the inner hole 14 of the positioning pin 1 is larger than the outer diameter of the spring 2; the clamping hook guide block 6 is in an inverted U shape, and the outer end of the bottom of the inverted U shape is provided with a clamping hook perpendicular to the straight surface of the outer side of the inverted U shape; the locking block 7 is a square bulge perpendicular to the outer circle of the cylinder; the rotary ring 3 is cylindrical, a cylindrical hole 8 is formed in the upper end of the cylinder near the outer edge, a long opening 9 is formed in one side of the cylindrical hole 8, and a rectangular barb groove 10 is formed in the other side of the cylindrical hole; the signal transfer box 20 is arranged at the upper end of the cylinder, and the transfer plate 21 is arranged at the inner side of the signal transfer box 20; a rotating surface 13 is arranged on the inner side vertical to the inner hole of the upper cover 4, and the width of the rotating surface 13 is larger than the length of the locking block 7; the rotating surface 13 is close to the upper end of the upper cover 4, and a clamping groove 12 lower than the rotating surface is arranged at the included angle between the inner hole wall of the upper cover 4 and the rotating surface 13; the outer circle of the upper cover 4 is uniformly provided with bosses 11 along the circumferential direction; the base 5 is annular, an inner through hole 15 larger than the outer diameter of the rotating ring 3 is arranged in the center of the annular, grooves 16 are uniformly distributed on the outer ring of the base 5, and the positions of the grooves 16 correspond to the positions of the bosses 11 on the upper cover 4; the stator glue box 17 is of a square structure and is arranged on the outer circle of the stator upper cover 4, and the contact pin connector 22 is placed in the stator glue box.
The clamping hook guide block 6 is arranged in the round hole of the rotating ring 3, the clamping hook guide block 6 is clamped on the inverted groove hook 10 of the rotating ring 3, the positioning pin 1 is limited and cannot be separated, and a rotor mechanism is formed. The upper cover 4 is placed at the upper end of the rotating ring 3, the base 5 is placed at the lower end of the rotating ring 3, the groove 16 of the base 5 is buckled with the boss 11 of the upper cover 4 to form a stator mechanism, the rotor mechanism and the stator mechanism are in clearance fit, the rotating ring 3 is ensured to rotate in an inner hole 14 and an inner through hole 15 of the stator mechanism, when no external force acts on a steering wheel, the rotating ring 3 drives the locking block 7 of the locating pin 1 to rotate on the rotating surface 13, and when the locking block 7 rotates to the clamping groove 12 of the upper cover 4, the locking block 7 on the locating pin 1 is sprung into the clamping groove 12 of the upper cover under the action of the elasticity of the spring 2 to be located.
When in installation and positioning: (1) One end of an adapter plate 21 of the clock spring welding assembly is arranged in a rotating ring signal adapter box 20, the other end of the adapter plate is arranged in a stator rubber box 17, a flat cable (FFC) 23 is wound along the outlet direction of the rotating ring, the flat cable is arranged in an inner hole 14 of an upper cover in a homeotropic manner, a base 5 is buckled at the lower end of the rotating ring 3, and a rotor mechanism and the welding assembly are placed in a stator mechanism to finish assembly;
(2) After the locating pin 1 arranged on the rotating ring 3 is pressed, the locking block 7 of the locating pin 1 is separated from the limit of the clamping groove 12, and can freely rotate along with the rotating ring 3. When leaving the factory, locating pin 1 is the state of releasing, and under the effect of spring 2, locking piece 7 is pushed into the draw-in groove 12 of upper cover 4, and whole location is accomplished.
When the steering wheel is installed, the steering wheel structure is just pressed on the locating pin 1, the locating pin 1 is stressed, the spring 2 of the locating pin is stressed to compress, the hook guide block 6 of the locating pin 1 is downwards along with the barb groove 10, the locking block 7 is separated from the clamping groove 12, and the rotating ring 3 can freely rotate in the effective number of turns under the driving of the steering wheel. When the steering wheel is removed from the front wheel, the positioning pin 1 is not subjected to external force any more, so that after the pressure of the spring 2 is released, the positioning pin 1 is driven to move upwards, the locking block 7 is just clamped into the clamping groove 12 under the guidance of the guide block 6 and the barb groove 10, the rotating ring 3 is limited and can not rotate freely, and the positioning of the clock spring is completed.
Claims (3)
1. The clock spring with the positioning mechanism is characterized by comprising a rotor mechanism and a stator mechanism; the rotor mechanism comprises a rotating ring, a locating pin, a signal transfer box, an adapter plate and a spring, and the stator mechanism comprises an upper cover, a stator rubber box and a base; the locating pin is of a hollow cylindrical structure with one end open and the other end closed, a clamping hook guide block is arranged on one side outside the locating pin cylinder, and a convex locking block is arranged on the other side; the diameter of the inner hole of the positioning pin is larger than the outer diameter of the spring; the clamping hook guide block is in an inverted U shape, and the outer end of the bottom of the inverted U shape is provided with a hook vertical to the outer straight surface of the inverted U shape; the locking block is a square bulge perpendicular to the outer circle of the cylinder; the rotating ring is cylindrical, a cylindrical hole is formed in the upper end of the cylinder near the outer edge, one side of the cylindrical hole is provided with a long opening, and the other side of the cylindrical hole is provided with a rectangular barb groove; the signal transfer box is arranged at the upper end of the cylinder, and the transfer plate is arranged at the inner side of the signal transfer box; the upper cover is a hollow annular shell and comprises a rotating surface, a clamping groove and a boss; a rotating surface is arranged on the inner side vertical to the inner hole of the upper cover; the rotating surface is close to the upper end of the upper cover, and a clamping groove lower than the rotating surface is arranged at the included angle between the inner hole wall of the upper cover and the rotating surface; the outer circle of the upper cover is uniformly provided with bosses along the circumferential direction; the base is in a circular ring shape, an inner through hole larger than the outer diameter of the rotating ring is arranged in the center of the circular ring, grooves are uniformly distributed on the outer ring of the base, and the positions of the grooves correspond to the positions of the bosses on the upper cover; the stator rubber box is of a square structure and is arranged on the outer ring of the stator upper cover, and the contact pin connector is arranged in the stator rubber box;
the clamping hook guide block and the locking block are not positioned on the same diameter line; the width and the length of the long opening on the rotating ring are both larger than those of the locking block on the locating pin, and the width and the length of the rectangular guide hook groove are both larger than those of the guide block of the clamping hook of the locating pin; the width of the rotating surface is larger than the length of the locking block; the length of the clamping groove is slightly larger than the length of the locking block, the width is twice the width of the locking block, and the thickness is equal to the thickness of the locking block.
2. The clock spring with positioning mechanism as recited in claim 1, wherein the signal transfer case is integrally formed with the cylinder.
3. The method for installing and positioning the clock spring with the positioning mechanism according to claim 1, wherein the method comprises the following steps:
(1) One end of an adapter plate of the clock spring welding assembly is arranged in a rotating ring signal adapter box, the other end of the adapter plate is arranged in a stator rubber box, a flat cable is wound along the outlet direction of the rotating ring and is arranged in an inner hole of an upper cover in a homeotropical mode, the lower end of the rotating ring is buckled with a base, and a rotor mechanism and the welding assembly are placed in a stator mechanism to finish assembly;
(2) After the locating pin arranged on the rotating ring is pressed, the locating pin locking block is separated from the limit of the clamping groove, and can freely rotate along with the rotating ring; when leaving the factory, the locating pin is in a release state, and under the action of the spring, the locking block is jacked into the clamping groove of the upper cover, and the whole locating is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112925.XA CN109301647B (en) | 2018-09-25 | 2018-09-25 | Clock spring with positioning mechanism and mounting and positioning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112925.XA CN109301647B (en) | 2018-09-25 | 2018-09-25 | Clock spring with positioning mechanism and mounting and positioning method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109301647A CN109301647A (en) | 2019-02-01 |
| CN109301647B true CN109301647B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811112925.XA Active CN109301647B (en) | 2018-09-25 | 2018-09-25 | Clock spring with positioning mechanism and mounting and positioning method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109301647B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253484B (en) * | 2019-07-12 | 2024-04-19 | 南京豪滨科技有限公司 | Press sound assembly tool and working method thereof |
| CN110247251A (en) * | 2019-07-22 | 2019-09-17 | 朱逸君 | Safety socket and matched plug protective device |
| CN112092748B (en) * | 2020-09-25 | 2021-09-21 | 东风汽车股份有限公司 | Exempt from helical cable self-locking mechanism of centering |
| CN114256708B (en) * | 2021-12-30 | 2023-06-02 | 重庆长安汽车股份有限公司 | Positioning pin and positioning structure for preventing secondary positioning |
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| CN201197044Y (en) * | 2008-05-23 | 2009-02-18 | 上海盈智汽车电子有限公司 | Clock spring used for electric connection of vehicle steering system |
| KR20120055826A (en) * | 2010-11-24 | 2012-06-01 | 현대자동차주식회사 | Lock mechanism of clock spring for vehicle |
| KR20130053076A (en) * | 2011-11-15 | 2013-05-23 | 현대자동차주식회사 | Neutral positioner of steering roll connector |
| KR101555983B1 (en) * | 2014-09-04 | 2015-09-30 | (주)신창코넥타 | Clock spring apparatus for a vehicle enhancing fool-proof assembly performance on neutral position |
| CN105416218A (en) * | 2015-12-11 | 2016-03-23 | 山西中航锦恒科技有限公司 | Suspended type clock spring and adjusting method thereof |
| CN207303608U (en) * | 2017-11-03 | 2018-05-01 | 山西中航锦恒科技有限公司 | A kind of clock spring with torsional spring location structure |
| KR20180062215A (en) * | 2016-11-30 | 2018-06-08 | 엘에스오토모티브테크놀로지스 주식회사 | Clock spring for vehicle |
| CN208797329U (en) * | 2018-09-25 | 2019-04-26 | 山西中航锦恒科技有限公司 | A kind of included positioning mechanism clock spring |
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2018
- 2018-09-25 CN CN201811112925.XA patent/CN109301647B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201197044Y (en) * | 2008-05-23 | 2009-02-18 | 上海盈智汽车电子有限公司 | Clock spring used for electric connection of vehicle steering system |
| KR20120055826A (en) * | 2010-11-24 | 2012-06-01 | 현대자동차주식회사 | Lock mechanism of clock spring for vehicle |
| KR20130053076A (en) * | 2011-11-15 | 2013-05-23 | 현대자동차주식회사 | Neutral positioner of steering roll connector |
| KR101555983B1 (en) * | 2014-09-04 | 2015-09-30 | (주)신창코넥타 | Clock spring apparatus for a vehicle enhancing fool-proof assembly performance on neutral position |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109301647A (en) | 2019-02-01 |
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