CN205706581U - The guide frame of coiler pre-tightening apparatus - Google Patents
The guide frame of coiler pre-tightening apparatus Download PDFInfo
- Publication number
- CN205706581U CN205706581U CN201620637730.7U CN201620637730U CN205706581U CN 205706581 U CN205706581 U CN 205706581U CN 201620637730 U CN201620637730 U CN 201620637730U CN 205706581 U CN205706581 U CN 205706581U
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- gathering sill
- ball
- tightening apparatus
- guide frame
- guide part
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Abstract
This utility model discloses the guide frame of a kind of coiler pre-tightening apparatus, and it includes that pipeline, ball and drive plate, the quantity of described ball are several, and drive plate offers several cambered surfaces mated with ball；Wherein, also include that guide part, described guide part are connected with the ball of first side, drive plate offer gathering sill, in the cambered surface that gathering sill is opened in；Guide part is corresponding with gathering sill position, and when first side ball flies out, guide part stretches in gathering sill and moves along gathering sill until first side ball coordinates with cambered surface；More rapid and the more accurate feature that this utility model has that ball mates with cambered surface.
Description
Technical field
This utility model relates to the guide frame of a kind of coiler pre-tightening apparatus.
Background technology
Coiler pre-tightening apparatus is a kind of protection device being widely used on seat belt, and it includes drive plate, pipeline, gas
Body generator, the ball being located in pipeline, the opening alignment drive plate of pipeline, when collision scenario.Gas generator is ignited,
The gas that blast produces expands against rapidly net opening part in pipeline and moves, and ball is touched drive plate after flying out and drives its turn
Dynamic, thus the ribbon (i.e. seat belt) realizing being wrapped in drive disk axles reclaims rapidly, makes member by belt pull at seat
On.Owing to drive plate needs to be driven by steel ball, its drive plate is necessarily provided with the cambered surface mated with ball, just can realize spherical zone
Nutating disk moves.But ball is initially provided in steel pipe, so ball and drive plate are without matching relationship during initial position, as
What makes ball be the problem being badly in need of considering in falling into the cambered surface of drive plate accurately.
Summary of the invention
This utility model is mainly solving the technical problems that provide ball can fall into drive plate band nutating disk accurately
The guide frame of the coiler pre-tightening apparatus of motion.
Utility model purpose of the present utility model is realized by below scheme: the guiding knot of a kind of coiler pre-tightening apparatus
Structure, it includes that pipeline, ball and drive plate, the quantity of described ball are several, and drive plate offers mate with ball some
Individual cambered surface；Wherein, also include that guide part, described guide part are connected with the ball of first side, drive plate offers gathering sill, gathering sill
In the cambered surface being opened in；Guide part is corresponding with gathering sill position, and when first side ball flies out, guide part stretches in gathering sill and edge
Gathering sill motion is until first side ball coordinates with cambered surface.
Wherein, described guide part and gathering sill are integral type structure.
Wherein, described guide part includes fixed part and the convex tendon being located on fixed part, the ball phase of fixed part and first side
Even, the gauge of convex tendon mates with the groove width of gathering sill, and when first side ball flies out, convex tendon stretches in gathering sill.
Wherein, described gathering sill is cannelure or fan groove.
Wherein, described gathering sill is opened in its lowest position of cambered surface.
Wherein, the tapering tightened up is formed at convex tendon top.
Wherein, the height of convex tendon is less than the groove depth of gathering sill.
Wherein, the bottom of gathering sill offers cannelure I or fan groove I.
The beneficial effects of the utility model: with due to the setting of guide part and gathering sill, be directed to the ball in portion and first side
It is connected so that when first side ball flies out, guide part can move along gathering sill and make the ball of first side mate with cambered surface, thus follow-up ball
Can fall into successively in the cambered surface of correspondence makes drive plate move；The portion of being directed to is arranged to fixed part and adds convex rib structure, and convex tendon
Thickness, less than the degree of depth of gathering sill, can make stable being in gathering sill of convex tendon to touch and lead into guiding bottom gathering sill
Portion's bullet flies；The tapering that the formation of convex tendon top is tightened up is easy to convex tendon and is stretched in gathering sill；Compared with prior art, can improve undoubtedly
It is more quick, accurately that ball mates with cambered surface.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the location diagram of this utility model drive plate and first side ball；
Fig. 3 is the structural representation of this utility model head side ball；
Fig. 4 is the axonometric chart of this utility model head side ball；
Fig. 5 is this utility model head side ball and view during cambered surface accurate fit.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail:
Embodiment 1:
Referring to the drawings shown in 1-5, the guide frame of a kind of coiler pre-tightening apparatus, it includes pipeline 1, ball 2 and transmission
Dish 3, the quantity of ball 2 is several and is positioned among pipeline 1.Be positioned at ball 2 front portion of first side and be provided with guide part, guide part with should
Ball 2 is integral type structure.Guide part includes fixed part 4 and the convex tendon 5 being located on fixed part 4, fixed part 4 and the ball 2 of first side
It is connected.
Offer on drive plate 3 and be further opened with gathering sill 7 in several cambered surfaces 6, and drive plate 3 mated with ball 2, guide
Groove 7 be shaped as cannelure, gathering sill 7 is offered along the lowest part of all cambered surfaces 6.
The gauge of convex tendon 5 mates with the groove width of gathering sill 7, and the height of convex tendon 5 is less than the groove depth of gathering sill 7, when
When first side ball 2 flies out, convex tendon 5 along gathering sill 7 and stretches into gathering sill 7, when first side ball 2 strikes the cambered surface 6 of correspondence, leads
To portion's stop motion (stop motion herein refers to guide part with drive plate 3 in relative static conditions), drive plate 3 rotates, pipe
Remaining ball 2 in road 1 flies out successively and falls into the cambered surface 6 of correspondence.
In order to ensure that convex tendon 5 can smoothly enter in gathering sill 7, convex tendon 5 top is the cone boss 9 upwards tightened up.
The bottom land of gathering sill 7 is further opened with cannelure I 8.
In addition to the foregoing structure, gathering sill 7 can also use fan groove can obtain corresponding effect too.
Claims (8)
1. a guide frame for coiler pre-tightening apparatus, it includes that pipeline, ball and drive plate, the quantity of described ball are some
Individual, drive plate offers several cambered surfaces mated with ball；It is characterized in that: also including guide part, described guide part is with first
The ball of side is connected, and drive plate offers gathering sill, in the cambered surface that gathering sill is opened in；Guide part is relative with gathering sill position
Should, when first side ball flies out, guide part stretches in gathering sill and moves along gathering sill until first side ball coordinates with cambered surface.
The guide frame of coiler pre-tightening apparatus the most according to claim 1, it is characterised in that: described guide part and guiding
Groove is integral type structure.
The guide frame of coiler pre-tightening apparatus the most according to claim 1 and 2, it is characterised in that: described guide part
Including fixed part and the convex tendon be located on fixed part, fixed part is connected with the ball of first side, the gauge of convex tendon and gathering sill
Groove width coupling, when first side ball flies out, convex tendon stretches in gathering sill.
The guide frame of coiler pre-tightening apparatus the most according to claim 3, it is characterised in that: described gathering sill is annular
Groove or fan groove.
The guide frame of coiler pre-tightening apparatus the most according to claim 4, it is characterised in that: described gathering sill is opened in
Its lowest position of cambered surface.
The guide frame of coiler pre-tightening apparatus the most according to claim 3, it is characterised in that: convex tendon top is formed and tightens up
Tapering.
The guide frame of coiler pre-tightening apparatus the most according to claim 6, it is characterised in that: the height of convex tendon is less than leading
To the groove depth of groove.
The guide frame of coiler pre-tightening apparatus the most according to claim 4, it is characterised in that: the bottom of gathering sill is offered
There are cannelure I or fan groove I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620637730.7U CN205706581U (en) | 2016-06-26 | 2016-06-26 | The guide frame of coiler pre-tightening apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620637730.7U CN205706581U (en) | 2016-06-26 | 2016-06-26 | The guide frame of coiler pre-tightening apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205706581U true CN205706581U (en) | 2016-11-23 |
Family
ID=57317341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620637730.7U Active CN205706581U (en) | 2016-06-26 | 2016-06-26 | The guide frame of coiler pre-tightening apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205706581U (en) |
-
2016
- 2016-06-26 CN CN201620637730.7U patent/CN205706581U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |