CN202034746U - Locking mechanism for clock spring - Google Patents
Locking mechanism for clock spring Download PDFInfo
- Publication number
- CN202034746U CN202034746U CN2011200441078U CN201120044107U CN202034746U CN 202034746 U CN202034746 U CN 202034746U CN 2011200441078 U CN2011200441078 U CN 2011200441078U CN 201120044107 U CN201120044107 U CN 201120044107U CN 202034746 U CN202034746 U CN 202034746U
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- Prior art keywords
- clock spring
- section
- block
- fixture block
- alignment pin
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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 - Lifetime
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Abstract
The utility model relates to the field of a clock spring of a car and aims at providing a locking mechanism for the clock spring, wherein the locking mechanism can prevent abnormal unlocking. The locking mechanism comprises a stator mechanism, a rotating mechanism and a positioning pin, wherein the stator mechanism is provided with a clamping groove, the rotating mechanism is provided with a positioning bump; the positioning pin comprises a pin rod; the pin rod is provided with a stator clamping piece matched with the clamping groove and a rotor clamping block matched with the positioning bump; and an anti-dropping fastener is arranged between the rotating mechanism and the positioning pin, or the anti-dropping fastener is arranged between the stator mechanism and the positioning pin. As the anti-dropping fastener is arranged between the rotating mechanism and the positioning pin or between the stator mechanism and the positioning pin, the positioning pin can not drop before loading in the transportation process or due to other factors to cause the abnormal unlocking of the clock spring; and the clock spring is in normal work state after being loaded for use, and the service life of the clock spring is prolonged.
Description
Technical field
The utility model relates to car clock spring field, especially a kind of clock spring latch-up structure that prevents improper release.
Background technology
Clock spring between steering wheel and steering column, when steering wheel rotates, plays electric interconnect function as the important spare part of automobile; The utility model of Chinese patent notification number CN2932788Y discloses a kind of clock spring coupling mechanism; Comprise column assy, be arranged on the mounting bracket on the column assy and be bound up on clock spring on the mounting bracket, described clock spring is provided with some joint covers, described joint cover shape triangular in shape is arranged, be provided with connecting pore in the above, the corresponding mounting bracket of connecting pore is provided with the mounting bracket connecting pore, and described clock spring and column assy are bound up with securing member by connecting pore and mounting bracket connecting pore.Clock spring comprises stator mechanism and rotating mechanism; After the clock spring assembling was finished, the adjustment clock spring allowed tumbler be in center of rotation, locks then; After the clock spring entrucking finishes, unlocked, clock spring enters normal operating condition.The draw-in groove that clock spring latch-up structure commonly used at present is provided with by the alignment pin that is provided with stator card, rotor fixture block, stator mechanism, the locating convex block that rotating mechanism is provided with constitute, after the clock spring assembling is finished, the adjustment clock spring, allow tumbler be in center of rotation, then the stator card of alignment pin is inserted in the draw-in groove of stator structure, the locating convex block that the rotor fixture block of alignment pin blocks rotating mechanism locks; After the clock spring entrucking finishes, extract alignment pin, the clock spring release enters normal operating condition.Clock spring latch-up structure commonly used at present exists owing between alignment pin and stator mechanism or rotating mechanism, do not have anti-drop structure, easily in transit or because of other reasons, alignment pin is come off before entrucking, cause the improper release of clock spring, make rotating mechanism depart from center of rotation; After the clock spring entrucking of improper release was used, clock spring was in work under the defective mode, and understands reduction of service life, serious even deficiency that cause clock spring to lose efficacy; Therefore, design a kind of clock spring latch-up structure that prevents improper release, become problem demanding prompt solution.
The utility model content
The purpose of this utility model is to overcome present clock spring latch-up structure, because between alignment pin and stator mechanism or rotating mechanism, there is not anti-drop structure, easily in transit or because of other reasons, alignment pin is come off before entrucking, cause the improper release of clock spring, make rotating mechanism depart from center of rotation; After the clock spring entrucking of improper release was used, clock spring was in work under the defective mode, and understands reduction of service life, serious even deficiency that cause clock spring to lose efficacy; A kind of clock spring latch-up structure that prevents improper release is provided.
Concrete technical scheme of the present utility model is:
A kind of clock spring latch-up structure comprises stator mechanism, rotating mechanism and alignment pin; Described stator mechanism is provided with draw-in groove, and described rotating mechanism is provided with locating convex block; Described alignment pin comprises pin rod; Described pin rod have with the stator card of draw-in groove coupling, with the rotor fixture block of locating convex block coupling; Be provided with the slip-off preventing buckle between the rotating mechanism of described clock spring latch-up structure and alignment pin, or be provided with the slip-off preventing buckle between stator mechanism and alignment pin.Be provided with the slip-off preventing buckle between the rotating mechanism of this clock spring latch-up structure and alignment pin, or be provided with the slip-off preventing buckle between stator mechanism and alignment pin, make the alignment pin can be not in transit or, before entrucking, come off and cause the improper release of clock spring because of other reasons; After the clock spring entrucking is used, be under the normal condition and work, prolong the useful life of clock spring.
As preferably, described slip-off preventing buckle comprises location notch, elastic locking piece; Described location notch is positioned at locating convex block and alignment pin opposing end faces, and top, described location notch bottom surface is provided with anti-drop block; Described elastic locking piece is provided with the anticreep fixture block corresponding with anti-drop block; The lower end of described elastic locking piece is connected with pin rod.The slip-off preventing buckle is made of the elastic locking piece that is positioned at the location notch of locating convex block with the alignment pin opposing end surface, anti-drop block that top, location notch bottom surface is provided with, is connected with the pin rod lower end and is provided with the corresponding anticreep fixture block of anti-drop block, and is simple in structure.
As preferably, described pin rod comprises plug section, block; Described rotor fixture block lays respectively at relative two that plug section with block; Described plug section is provided with through hole; Described rotor fixture block has two, lays respectively at two sides of through hole; Described block is connected with the plug pars infrasegmentalis; Described stator card is connected with the front end of block lower surface.Stator card, the rotor fixture block of this alignment pin are simple in structure; The stator card of stator mechanism inserts draw-in groove, and the anticreep fixture block of stator mechanism blocks the rotor fixture block of rotating mechanism, makes between stator mechanism and rotating mechanism to locate firmly.
As preferably, the elastic locking piece of described alignment pin comprises linkage section, principal piece, changeover portion, spanner section; Two ends of described principal piece are connected with linkage section, changeover portion respectively, and the anticreep fixture block is positioned at the middle part of principal piece, and linkage section, changeover portion, anticreep fixture block are positioned at the homonymy of principal piece; Described spanner section is connected with changeover portion, and spanner section and principal piece lay respectively at two sides of changeover portion; Described spanner section is positioned at rotor fixture block homonymy, and linkage section, principal piece, changeover portion pass through hole, and linkage section is connected with the plug section.The elastic locking piece of alignment pin is made of spanner section, linkage section, principal piece, changeover portion, make elastic locking piece that better elasticity be arranged, spanner section and linkage section lay respectively at through hole two sides of plug section, meet the power thrusts when pulling spanner section and plug section and extracting the alignment pin release.
As preferably, described anti-drop block is provided with spigot surface, stationary plane; Described spigot surface and stationary plane form an inside bending, and the bending angle is less than 180 degree; Described anticreep fixture block is provided with guiding face.The guiding face of anticreep fixture block cooperates with the spigot surface of anti-drop block, makes the anticreep fixture block of elastic locking piece be easy to snap in the location notch, and stationary plane makes that to extract the alignment pin release more or less freely.
As preferably, the plug section of described alignment pin laterally is provided with the plug raised line, and the spanner section of elastic locking piece laterally is provided with the spanner raised line.The plug raised line of plug section, the spanner raised line of elastic locking piece make that to extract the alignment pin release more or less freely.
The beneficial effects of the utility model are:
Be provided with the slip-off preventing buckle between the rotating mechanism of this clock spring latch-up structure and alignment pin, or be provided with the slip-off preventing buckle between stator mechanism and alignment pin, alignment pin can not come off before entrucking and cause the improper release of clock spring; After the clock spring entrucking is used, be under the normal condition and work, prolong the useful life of clock spring.The slip-off preventing buckle structure is simple.The elastic locking piece of alignment pin has better elasticity, and spanner section and linkage section lay respectively at through hole two sides of plug section, meets the power thrusts when pulling spanner section and plug section and extracting the alignment pin release.The guiding face of anticreep fixture block cooperates with the spigot surface of anti-drop block, makes the anticreep fixture block of elastic locking piece be easy to snap in the location notch, and stationary plane makes that to extract the alignment pin release more or less freely.The plug raised line of plug section, the spanner raised line of elastic locking piece make that to extract the alignment pin release more or less freely.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the structural representation of alignment pin;
Fig. 3 is the left TV structure schematic diagram of Fig. 2.
Among the figure: rotating mechanism-1, alignment pin-2, locating convex block-3, location notch-4, elastic locking piece-5, anti-drop block-6, anticreep fixture block-7, pin rod-8, plug section-9, block-10, through hole-11, linkage section-12, principal piece-13, changeover portion-14, spanner section-15, spigot surface-16, stationary plane-17, guiding face-18, plug raised line-19, spanner raised line-20, stator mechanism-21, draw-in groove-22, stator card-23, rotor fixture block-24.
Embodiment
Below in conjunction with shown in the accompanying drawing the utility model is described further.
Shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3: a kind of clock spring latch-up structure comprises stator mechanism 21, rotating mechanism 1, alignment pin 2; Stator mechanism is provided with draw-in groove 22, and rotating mechanism is provided with locating convex block 3; The alignment pin material is plastics; Alignment pin comprises pin rod 8; Pin rod have with the stator card 23 of draw-in groove coupling, with the rotor fixture block 24 of locating convex block coupling; Pin rod comprises plug section 9, block 10; The rotor fixture block lays respectively at relative two that plug section with block; The plug section is provided with through hole 11; The rotor fixture block has two, lays respectively at two sides of through hole; Block is connected with the plug pars infrasegmentalis; The stator card is connected with the front end of block lower surface; The plug section laterally is provided with and is shaped as jagged plug raised line 19, and the plug raised line has three; The plug raised line is positioned at the through hole top; Be provided with the slip-off preventing buckle between the rotating mechanism of clock spring latch-up structure and alignment pin, the slip-off preventing buckle is by being positioned at the location notch 4 of locating convex block with the alignment pin opposing end surface, anti-drop block 6 that top, location notch bottom surface is provided with, being connected with the pin rod lower end, and the elastic locking piece 5 that is provided with the anticreep fixture block 7 corresponding with anti-drop block constitutes; Anti-drop block is provided with spigot surface 16, stationary plane 17; Described spigot surface and stationary plane form an inside bending, and the bending angle is less than 180 degree; The anticreep fixture block is provided with guiding face 18; Elastic locking piece comprises linkage section 12, principal piece 13, changeover portion 14, spanner section 15; Linkage section is shaped as arc; Two ends of principal piece are connected with linkage section, changeover portion respectively, and the anticreep fixture block is positioned at the middle part of principal piece, and linkage section, changeover portion and anticreep fixture block are positioned at the homonymy of principal piece; The spanner section is connected with changeover portion, and spanner section and principal piece lay respectively at two sides of changeover portion; The spanner section is positioned at rotor fixture block homonymy, and linkage section, principal piece, changeover portion pass through hole, and linkage section is connected with the plug section; The spanner section laterally is provided with and is shaped as jagged spanner raised line 20, and the spanner raised line has two; The spanner raised line lays respectively at the spanner section and the outside that plugs section with the plug raised line.
After the clock spring assembling was finished, the adjustment clock spring allowed tumbler be in center of rotation, and the stator card the pin rod of alignment pin has inserts the draw-in groove of stator mechanism; The locating convex block that pin rod has blocks the rotor fixture block of rotating mechanism; The anticreep fixture block of elastic locking piece snaps in the location notch of locating convex block of rotating mechanism, and adjustment is finished, and the clock spring that tumbler is in center of rotation locks; Owing to be positioned at the barrier effect of the anticreep fixture block on top, location notch bottom surface to the anticreep fixture block, make elastic locking piece when not pulled, alignment pin can not come off, and can not cause the improper release of clock spring; After the clock spring entrucking finishes, inwardly pull the spanner section of elastic locking piece and the plug section of pin rod, extract alignment pin, unlocked, clock spring enters normal operating condition.
Be provided with the slip-off preventing buckle between the rotating mechanism of this clock spring latch-up structure and alignment pin, alignment pin can not come off before entrucking and cause the improper release of clock spring; After the clock spring entrucking is used, be under the normal condition and work, prolong the useful life of clock spring.The slip-off preventing buckle is connected with pin rod by location notch, the lower end that top, bottom surface is provided with anti-drop block, and is provided with the elastic locking piece formation of the anticreep fixture block corresponding with anti-drop block, and is simple in structure.The elastic locking piece of alignment pin is made of spanner section, linkage section, principal piece, changeover portion, make elastic locking piece that better elasticity be arranged, spanner section and linkage section lay respectively at through hole two sides of plug section, meet the power thrusts when pulling spanner section and plug section and extracting the alignment pin release.The guiding face of anticreep fixture block cooperates with the spigot surface of anti-drop block, makes the anticreep fixture block of elastic locking piece be easy to snap in the location notch, and stationary plane makes that to extract the alignment pin release more or less freely.The plug raised line of plug section, the spanner raised line of elastic locking piece make that to extract the alignment pin release more or less freely.
It is apparent to one skilled in the art that the utility model can be changed into multiple mode, and such change is not thought and broken away from scope of the present utility model.The conspicuous modification of the technical staff to described field that all are such will be included within the scope of this claim.
Claims (9)
1. a clock spring latch-up structure comprises stator mechanism, rotating mechanism and alignment pin; Described stator mechanism is provided with draw-in groove, and described rotating mechanism is provided with locating convex block; Described alignment pin comprises pin rod; Described pin rod have with the stator card of draw-in groove coupling, with the rotor fixture block of locating convex block coupling; It is characterized in that: be provided with the slip-off preventing buckle between rotating mechanism of described clock spring latch-up structure (1) and alignment pin (2), or be provided with the slip-off preventing buckle between stator mechanism (21) and alignment pin.
2. clock spring latch-up structure according to claim 1 is characterized in that: described slip-off preventing buckle comprises location notch (4), elastic locking piece (5); Described location notch is positioned at locating convex block (3) and alignment pin opposing end faces, and top, described location notch bottom surface is provided with anti-drop block (6); Described elastic locking piece is provided with the anticreep fixture block (7) corresponding with anti-drop block; The lower end of described elastic locking piece is connected with pin rod (8).
3. clock spring latch-up structure according to claim 1 and 2 is characterized in that: described pin rod comprises plug section (9), block (10); Described rotor fixture block (24) lays respectively at relative two that plug section with block; Described plug section is provided with through hole (11); Described rotor fixture block has two, lays respectively at two sides of through hole; Described block is connected with the plug pars infrasegmentalis; Described stator card (23) is connected with the front end of block lower surface.
4. clock spring latch-up structure according to claim 3 is characterized in that: described elastic locking piece comprises linkage section (12), principal piece (13), changeover portion (14), spanner section (15); Two ends of described principal piece are connected with linkage section, changeover portion respectively, and the anticreep fixture block is positioned at the middle part of principal piece, and linkage section, changeover portion, anticreep fixture block are positioned at the homonymy of principal piece; Described spanner section is connected with changeover portion, and spanner section and principal piece lay respectively at two sides of changeover portion; Described spanner section is positioned at rotor fixture block homonymy, and linkage section, principal piece, changeover portion pass through hole, and linkage section is connected with the plug section.
5. clock spring latch-up structure according to claim 2 is characterized in that: described anti-drop block is provided with spigot surface (16), stationary plane (17); Described spigot surface and stationary plane form an inside bending, and the bending angle is less than 180 degree; Described anticreep fixture block is provided with guiding face (18).
6. clock spring latch-up structure according to claim 3 is characterized in that: described anti-drop block is provided with spigot surface, stationary plane; Described spigot surface and stationary plane form an inside bending, and the bending angle is less than 180 degree; Described anticreep fixture block is provided with guiding face.
7. clock spring latch-up structure according to claim 4 is characterized in that: described anti-drop block is provided with spigot surface, stationary plane; Described spigot surface and stationary plane form an inside bending, and the bending angle is less than 180 degree; Described anticreep fixture block is provided with guiding face.
8. clock spring latch-up structure according to claim 6 is characterized in that: the plug section of described alignment pin laterally is provided with plug raised line (19), and the spanner section of elastic locking piece laterally is provided with spanner raised line (20).
9. clock spring latch-up structure according to claim 7 is characterized in that: the plug section of described alignment pin laterally is provided with the plug raised line, and the spanner section of elastic locking piece laterally is provided with the spanner raised line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200441078U CN202034746U (en) | 2011-02-22 | 2011-02-22 | Locking mechanism for clock spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200441078U CN202034746U (en) | 2011-02-22 | 2011-02-22 | Locking mechanism for clock spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034746U true CN202034746U (en) | 2011-11-09 |
Family
ID=44897032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200441078U Expired - Lifetime CN202034746U (en) | 2011-02-22 | 2011-02-22 | Locking mechanism for clock spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786104A (en) * | 2020-06-24 | 2020-10-16 | 深圳国人通信技术服务有限公司 | Micro base station antenna array |
| CN114256708A (en) * | 2021-12-30 | 2022-03-29 | 重庆长安汽车股份有限公司 | Positioning pin and positioning structure for preventing secondary positioning |
-
2011
- 2011-02-22 CN CN2011200441078U patent/CN202034746U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786104A (en) * | 2020-06-24 | 2020-10-16 | 深圳国人通信技术服务有限公司 | Micro base station antenna array |
| CN111786104B (en) * | 2020-06-24 | 2021-06-11 | 深圳国人通信技术服务有限公司 | Micro base station antenna array |
| CN114256708A (en) * | 2021-12-30 | 2022-03-29 | 重庆长安汽车股份有限公司 | Positioning pin and positioning structure for preventing secondary positioning |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Geely Auto Parts Co., Ltd. Assignor: Zhejiang Geely Automobile Research Institute Co., Ltd., Zhejiang Geely Holding Group Company Limited Contract record no.: 2013330000323 Denomination of utility model: Locking mechanism for clock spring Granted publication date: 20111109 License type: Exclusive License Record date: 20131015 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111109 |
|
| CX01 | Expiry of patent term |