CN103241142A - Simple reverse locking transmission device - Google Patents
Simple reverse locking transmission device Download PDFInfo
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- CN103241142A CN103241142A CN2013101750405A CN201310175040A CN103241142A CN 103241142 A CN103241142 A CN 103241142A CN 2013101750405 A CN2013101750405 A CN 2013101750405A CN 201310175040 A CN201310175040 A CN 201310175040A CN 103241142 A CN103241142 A CN 103241142A
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- cam
- pintongs
- lock collar
- mounting ring
- end cap
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Abstract
The invention discloses a simple reverse locking transmission device which comprises a rotating shaft (1), an unlocking disc (2), a fixed ring (3), a four-petal cam (4), locking rollers (5), a spring (6), a left end cover (7) and a right end cover (8). Four protruded teeth with outer edges to be double-arc cylindrical surfaces are arranged on the left of the four-petal cam. The outer edges of the protruded teeth, two adjacent shifting forks of the unlocking disc and an inner round wall of the fixed ring are enclosed to form a wedge-shaped cavity with the left narrow, the right narrow and the middle wide, the left end and the right end of the wedge-shaped cavity are called as wedge grooves, and the two locking rollers are elastically separated through the spring to be tightly wedged into the wedge grooves respectively. In work, the fixed ring and the four-petal cam are statically locked. Due to the technical scheme of achieving transmission through forward force application from the unlocking disc to an output gear and achieving locking through reverse force application from the output gear to the unlocking disc, a locking reverse transmission device of an automobile seat manual height adjuster achieves the goals of simplifying structure, reducing size and lowering cost.
Description
Technical field
The present invention relates to the contrary driving device of a kind of lock, specifically refer to regulate for hand-operated lifting a kind of simple and easy reverse locking driving device of automobile chair height.
Background technology
The manual height adjuster of automotive seat is the device by the manual regulation automobile chair height, manually height adjuster comprises actuating device and two parts of Locking Device, wherein lock portion is called the contrary driving device of lock again, namely, allow manually to rotate to regulate the lift car height of seat from input end forward application of force drive output, stop seat to produce by the inverse motion of mouth to input end from the reverse application of force of mouth; The contrary driving device of the lock of prior art, consult by name " automotive seat with the lockable mechanism of manual height-regulating mechanism ", the Chinese patent that is called " a kind of one-way operator for lifting automobile seat " of publication No. CN 101850733 A of publication No. CN 201437336 U, its complex structure, body is big, difficult processing, the cost height; Therefore, prior art exists complex structure, body is big, cost is high problems and shortcomings.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the present invention adopts the device that is made of rotating shaft, solution lock collar, shift fork, mounting ring, pintongs cam, locking roller, spring, left end cap, right end cap, wherein, the left part outer rim of pintongs cam is provided with four protruding teeth, and the outer rim of protruding tooth is by two parallel two arc column faces that constitute that intersect of cylinder cambered surface; The right part of pintongs cam is provided with output gear; Separate lock collar and be provided with four shift forks that protrude to the right; The slip of solution lock collar is positioned at the left side of pintongs cam and rotates polyphone by rotating shaft and pintongs cam, and rotating shaft is captiveed joint with the solution lock collar, is rotationally connected with the pintongs cam; The mounting ring slip cap is in the outer rim of the shift fork of separating lock collar; By the outer rim of protruding tooth, separate between two adjacent shift forks of lock collar and chamber that the inner round wall of mounting ring surrounds narrow, the middle loose arciform wedge shape in two limits about is called wedge cavities, two ends are called the wedge groove about wedge cavities; Two locking rollers are separated by spring and are arranged in wedge cavities; Left end cap and right end cap be fixedly connected on respectively mounting ring about two; During work, static locking: two locking rollers are separated by spring and are arranged in wedge cavities, are subjected to the effect of spring, about two locking rollers respectively closely about the wedging wedge cavities in the described wedge groove of two ends, with mounting ring and the pintongs cam locking that interfixes; Forward application of force transmission: clockwise rotate the solution lock collar from the input end forward application of force, in the wedge cavities, the locking roller that the shift fork on the left side is stirred the left side moves right, the described wedge groove that breaks away from the left side, tend to the loose centre of wedge cavities and release, afterwards, the shift fork on the left side is also stirred the protruding tooth turning clockwise of pintongs cam, make the locking roller that is positioned at wedge cavities the right tend to the loose centre of wedge cavities and release, therefore the pintongs cam makes clickwise with the mounting ring release and with separating lock collar; In like manner, rotate counterclockwise the solution lock collar from the input end application of force, then pintongs cam and mounting ring release and make left-hand revolution with separating lock collar; The pintongs cam will be separated the rotation forward output that lock collar is transmitted through output gear; Reverse application of force locking: rotate the pintongs cam through output gear from the reverse application of force of mouth, the protruding tooth trend of pintongs cam is rotated, to be positioned at about wedge cavities the described wedge groove trend of two ends narrower because the tending to act of protruding tooth makes, locking roller in the described wedge groove is further clamped, make pintongs cam and mounting ring interfix locking more closely and can not rotate through the locking roller, cause reverse application of force locking; During application, mounting ring is captiveed joint with the automobile seat support, separating lock collar captives joint with actuating device as input end, the technical scheme that output gear is connected with a joggle as the lifter rack of mouth and automobile seat support, a kind of simple and easy reverse locking driving device is provided, be intended to make the contrary driving device of lock of the manual height adjuster of automotive seat, reach simplified structure, dwindle body, the purpose of cost-cutting.
The object of the present invention is achieved like this: a kind of simple and easy reverse locking driving device, comprise rotating shaft, separate lock collar, mounting ring, pintongs cam, locking roller, spring, left end cap, right end cap, wherein: described rotating shaft is the thin cylinder step steel components of the thick right part of left part;
Described solution lock collar is the disc steel components, and the ring edge, the right side of separating lock collar is laid with four fan-shaped projections that protrude to the right and is called shift fork, and the through hole that the center of separating lock collar is provided with rotating shaft left part step interference heavy keying fit is called the interference hole;
Described mounting ring is the steel components of annular arrangement, and the outer marginal circumference of mounting ring is laid with three connection projections that outwards protrude, and the through hole that the center of described connection projection is provided with the circle of left and right directions is called connecting bore;
Described pintongs cam is the steel components that is provided with the step colyliform of protruding tooth and output gear, the left part outer rim of pintongs cam is laid with four outside protrusions and mutually orthogonal rectangle projection is called protruding tooth, and the outer rim of described protruding tooth is by the parallel crossing two arc column faces that form of the cylinder cambered surface of two left and right directions; The right part of pintongs cam is provided with the cylindrical straight gear involute tooth gear and is called output gear; The center of pintongs cam is provided with left and right directions, step cutting pattern through hole left large and right small is called axis hole, the left part cylinder bearing fit of the big stepped hole of the left part of described axis hole and rotating shaft, the right part cylinder bearing fit of the right part small stair hole of described axis hole and rotating shaft;
Described locking roller is columniform steel components;
Described spring is the thin slice compression spring that bending is M shape;
Described left end cap is disc shaped steel thin wall member, and the outer rim of left end cap is provided with the flange connector corresponding with the described connection projection of mounting ring; The center of left end cap is provided with diameter less than the manhole of separating the lock collar outer rim;
Described right end cap is disc shaped steel thin wall member, and the outer rim of right end cap is provided with the flange connector corresponding with the described connection projection of mounting ring; The center of right end cap is provided with diameter greater than the manhole of the described output gear of pintongs cam;
The solution lock collar is slided and is positioned at the left side of pintongs cam, and four described shift fork activities of separating lock collar are entrenched between four described protruding teeth of pintongs cam, is provided with the gap between described shift fork and the described protruding tooth and is called the driving gap; Separate lock collar by rotating shaft and the rotatable polyphone of pintongs cam, wherein, rotating shaft is captiveed joint with the described interference hole interference fit of separating lock collar, and rotating shaft is connected with pintongs cam normal-running fit by the described axis hole of pintongs cam; The mounting ring slip cap is in the outer rim of the shift fork of separating lock collar, by the outer rim of two arc column faces of protruding tooth, separate between two adjacent shift forks of lock collar and chamber that the inner round wall of mounting ring surrounds narrow, the middle loose arciform wedge shape in two limits about is called wedge cavities, two ends are called the wedge groove about wedge cavities; Two locking rollers are separated by spring and are positioned at wedge cavities; Left end cap and right end cap respectively the described connecting bore by rivet and mounting ring be fixedly connected on mounting ring about two.
Principle of work and beneficial effect
Static locking: two locking rollers are separated by spring and are arranged in wedge cavities, are subjected to the effect of spring, about two locking rollers respectively closely about the wedging wedge cavities in the described wedge groove of two ends, with mounting ring and the pintongs cam locking that interfixes;
Forward application of force transmission: clockwise rotate the solution lock collar from the input end forward application of force, in the wedge cavities, the locking roller that the shift fork on the left side is stirred the left side moves right, the described wedge groove that breaks away from the left side, tend to the loose centre of wedge cavities and release, afterwards, the shift fork on the left side is also stirred the protruding tooth turning clockwise of pintongs cam, make the locking roller that is positioned at wedge cavities the right tend to the loose centre of wedge cavities and release, therefore the pintongs cam makes clickwise with the mounting ring release and with separating lock collar; In like manner, rotate counterclockwise the solution lock collar from the input end application of force, then pintongs cam and mounting ring release and make left-hand revolution with separating lock collar; The pintongs cam will be separated the rotation forward output that lock collar is transmitted by output gear;
Reverse application of force locking: rotate the pintongs cam through output gear from the reverse application of force of mouth, the protruding tooth trend of pintongs cam is rotated, to be positioned at about wedge cavities the described wedge groove trend of two ends narrower because the tending to act of protruding tooth makes, locking roller in the described wedge groove is further clamped, make pintongs cam and mounting ring interfix locking more closely and can not rotate through the locking roller, cause reverse application of force locking;
During application, mounting ring is captiveed joint with the automobile seat support, separates lock collar and captives joint with actuating device as input end, and output gear is connected with a joggle as the lifter rack of mouth and automobile seat support.
This apparatus structure is simple, is easy to processing, body is little, and cost is low, makes lock that automotive seat manually highly regulate against driving device, simplifies the structure, and has dwindled body, has reduced cost.
Above-mentioned, the present invention adopts the device that is made of rotating shaft, solution lock collar, shift fork, mounting ring, pintongs cam, locking roller, spring, left end cap, right end cap, wherein, the left part outer rim of pintongs cam is provided with four protruding teeth, the right part of pintongs cam is provided with output gear, and the outer rim of protruding tooth is by two parallel two arc column faces that constitute that intersect of cylinder cambered surface; By the outer rim of protruding tooth, separate between two adjacent shift forks of lock collar and the inner round wall of mounting ring surrounds the wedge cavities of narrow, the middle loose arciform wedge shape in two limits about, two ends are called the wedge groove about wedge cavities; Two locking rollers are separated by spring and are arranged in wedge cavities and the tight described wedge groove of wedging respectively; During work, the static locking of mounting ring and pintongs cam; By separating the forward application of force transmission of lock collar to output gear; By the technical scheme of output gear to the reverse application of force locking of separating lock collar, overcome prior art and had complex structure, body is big, cost is high problems and shortcomings, a kind of simple and easy reverse locking driving device that provides makes the contrary driving device of lock of the manual height adjuster of automotive seat reach simplified structure, dwindles body, the purpose of cost-cutting.
Description of drawings
Fig. 1 is that the structure master of a kind of simple and easy reverse locking driving device of the present invention looks cross-sectional schematic;
Fig. 2 is that the right optical axis of a kind of simple and easy reverse locking driving device of the present invention is surveyed decomposing schematic representation;
Fig. 3 is that the left optical axis of a kind of simple and easy reverse locking driving device of the present invention is surveyed decomposing schematic representation;
Fig. 4 is a kind of simple and easy reverse locking driving device of the present invention, and locking roller 5 and spring 6 are positioned at the structural representation of the wedge cavities that is made of protruding tooth 41, shift fork 21 and mounting ring 3;
Fig. 5 is a kind of simple and easy reverse locking driving device of the present invention, and locking roller 5, spring 6 and wedge cavities make the principle schematic of mounting ring 3 and pintongs cam 4 mutual static lockings.
Be described in further detail below in conjunction with the present invention of the embodiment in the accompanying drawing, but should not be construed as any limitation of the invention.
Among the figure: rotating shaft 1, solution lock collar 2, shift fork 21, mounting ring 3, pintongs cam 4, protruding tooth 41, output gear 42, locking roller 5, spring 6, left end cap 7, right end cap 8, ideal cylinder 01.
The specific embodiment
Consult Fig. 1～Fig. 5, a kind of simple and easy reverse locking driving device of the present invention, comprise rotating shaft 1, separate lock collar 2, mounting ring 3, pintongs cam 4, locking roller 5, spring 6, left end cap 7, right end cap 8, wherein: described rotating shaft 1 is the thin cylinder step steel components of the thick right part of left part;
Described solution lock collar 2 is the disc steel components, and the ring edge, the right side of separating lock collar 2 is laid with four fan-shaped projections that protrude to the right and is called shift fork 21, and the through hole that the center of separating lock collar 2 is provided with rotating shaft 1 left part step interference heavy keying fit is called the interference hole;
Described mounting ring 3 is the steel components of annular arrangement, and the outer marginal circumference of mounting ring 3 is laid with three connection projections that outwards protrude, and the through hole that the center of described connection projection is provided with the circle of left and right directions is called connecting bore;
Described pintongs cam 4 is the steel components that is provided with the step colyliform of protruding tooth 41 and output gear 42, the left part outer rim of pintongs cam 4 is laid with four outside protrusions and mutually orthogonal rectangle projection is called protruding tooth 41, and the outer rim of described protruding tooth 41 is by the parallel crossing two arc column faces that form of the cylinder cambered surface of two left and right directions; The right part of pintongs cam 4 is provided with the cylindrical straight gear involute tooth gear and is called output gear 42; The center of pintongs cam 4 is provided with left and right directions, step cutting pattern through hole left large and right small is called axis hole, the left part cylinder bearing fit of the big stepped hole of the left part of described axis hole and rotating shaft 1, the right part cylinder bearing fit of the right part small stair hole of described axis hole and rotating shaft 1;
Described locking roller 5 is columniform steel components;
Described spring 6 is the thin slice compression spring of M shape for bending;
Described left end cap 7 is disc shaped steel thin wall member, and the outer rim of left end cap 7 is provided with the flange connector corresponding with the described connection projection of mounting ring 3; The center of left end cap 7 is provided with diameter less than the manhole of separating lock collar 2 outer rims;
Described right end cap 8 is disc shaped steel thin wall member, and the outer rim of right end cap 8 is provided with the flange connector corresponding with the described connection projection of mounting ring 3; The center of right end cap 8 is provided with diameter greater than the manhole of the described output gear 42 of pintongs cam 4;
Principle of work and beneficial effect
Static locking: two locking rollers 5 are separated by spring 6 elasticity and are arranged in wedge cavities, are subjected to the effect of spring 6, about two locking rollers 5 respectively closely about the wedging wedge cavities in the described wedge groove of two ends, with mounting ring 3 and pintongs cam 4 locking that interfixes;
Forward application of force transmission: clockwise rotate solution lock collar 2 from the input end forward application of force, in the wedge cavities, the locking roller 5 that the shift fork 21 on the left side is stirred the left side moves right, the described wedge groove that breaks away from the left side, tend to the loose centre of wedge cavities and release, afterwards, the shift fork 21 on the left side is also stirred protruding tooth 41 turning clockwises of pintongs cam 4, make the locking roller 5 that is positioned at wedge cavities the right tend to the loose centres of wedge cavities and release, therefore pintongs cam 4 makes clickwise with mounting ring 3 releases and with separating lock collar 2; In like manner, rotate counterclockwise solution lock collar 2 from the input end application of force, then pintongs cam 4 is made left-hand revolution with mounting ring 3 releases and with separating lock collar 2; Pintongs cam 4 will be separated the rotation forward output that lock collar 2 is transmitted by output gear 42;
Reverse application of force locking: rotate pintongs cams 4 through output gear 42 from the reverse application of force of mouth, protruding tooth 41 trends of pintongs cam 4 are rotated, to be positioned at about wedge cavities the described wedge groove trend of two ends narrower because the tending to act of protruding tooth 41 makes, locking roller 5 in the described wedge groove is further clamped, make pintongs cam 4 and mounting ring 3 interfix locking more closely and can not rotate through locking roller 5, cause reverse application of force locking;
During application, mounting ring 3 is captiveed joint with the automobile seat support, separates lock collar 2 and captives joint with actuating device as input end, and output gear 42 is connected with a joggle as the lifter rack of mouth and automobile seat support.
This apparatus structure is simple, is easy to processing, body is little, and cost is low, makes lock that automotive seat manually highly regulate against driving device, simplifies the structure, and has dwindled body, has reduced cost.
Claims (1)
1. simple and easy reverse locking driving device, comprise rotating shaft (1), separate lock collar (2), mounting ring (3), pintongs cam (4), locking roller (5), spring (6), left end cap (7), right end cap (8), it is characterized in that: described rotating shaft (1) is the thin cylinder step steel components of the thick right part of left part;
Described solution lock collar (2) is the disc steel components, the ring edge, the right side of separating lock collar (2) is laid with four fan-shaped projections that protrude to the right and is called shift fork (21), and the through hole that the center of separating lock collar (2) is provided with rotating shaft (1) left part step interference heavy keying fit is called the interference hole;
Described mounting ring (3) is the steel components of annular arrangement, and the outer marginal circumference of mounting ring (3) is laid with three connection projections that outwards protrude, and the through hole that the center of described connection projection is provided with the circle of left and right directions is called connecting bore;
Described pintongs cam (4) is the steel components that is provided with the step colyliform of protruding tooth (41) and output gear (42), the left part outer rim of pintongs cam (4) is laid with four outside protrusions and mutually orthogonal rectangle projection is called protruding tooth (41), and the outer rim of described protruding tooth (41) is by the parallel crossing two arc column faces that form of the cylinder cambered surface of two left and right directions; The right part of pintongs cam (4) is provided with the cylindrical straight gear involute tooth gear and is called output gear (42); The center of pintongs cam (4) is provided with left and right directions, step cutting pattern through hole left large and right small is called axis hole, the left part cylinder bearing fit of the big stepped hole of the left part of described axis hole and rotating shaft (1), the right part cylinder bearing fit of the right part small stair hole of described axis hole and rotating shaft (1);
Described locking roller (5) is columniform steel components;
Described spring (6) is the thin slice compression spring of M shape for bending;
Described left end cap (7) is disc shaped steel thin wall member, and the outer rim of left end cap (7) is provided with the flange connector corresponding with the described connection projection of mounting ring (3); The center of left end cap (7) is provided with diameter less than the manhole of separating lock collar (2) outer rim;
Described right end cap (8) is disc shaped steel thin wall member, and the outer rim of right end cap (8) is provided with the flange connector corresponding with the described connection projection of mounting ring (3); The center of right end cap (8) is provided with diameter greater than the manhole of the described output gear (42) of pintongs cam (4);
Solution lock collar (2) is slided and is positioned at the left side of pintongs cam (4), four described shift forks (21) activity of separating lock collar (2) is entrenched between four described protruding teeth (41) of pintongs cam (4), is provided with the gap between described shift fork (21) and the described protruding tooth (41) and is called the driving gap; Separate lock collar (2) by the rotatable polyphone of rotating shaft (1) and pintongs cam (4), wherein, rotating shaft (1) is captiveed joint with the described interference hole interference fit of separating lock collar (2), and rotating shaft (1) is connected with pintongs cam (4) normal-running fit by the described axis hole of pintongs cam (4); Mounting ring (3) slip cap is in the outer rim of the shift fork (21) of separating lock collar (2), by the outer rim of two arc column faces of protruding tooth (41), separate between two adjacent shift forks (21) of lock collar (2) and chamber that the inner round wall of mounting ring (3) surrounds the arciform wedge shape that two limits are narrow about, the centre is loose is called wedge cavities, two ends are called the wedge groove about wedge cavities; Two locking rollers (5) are separated by spring (6) elasticity and are positioned at wedge cavities; Left end cap (7) and right end cap (8) respectively the described connecting bore by rivet and mounting ring (3) be fixedly connected on mounting ring (3) about two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310175040.5A CN103241142B (en) | 2013-04-25 | 2013-04-25 | A kind of simple and easy reverse locking driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310175040.5A CN103241142B (en) | 2013-04-25 | 2013-04-25 | A kind of simple and easy reverse locking driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103241142A true CN103241142A (en) | 2013-08-14 |
| CN103241142B CN103241142B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310175040.5A Active CN103241142B (en) | 2013-04-25 | 2013-04-25 | A kind of simple and easy reverse locking driving device |
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| Country | Link |
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| CN (1) | CN103241142B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538498A (en) * | 2013-09-30 | 2014-01-29 | 浙江龙生汽车部件股份有限公司 | Automobile seat lifting adjustment mechanism and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19953630C2 (en) * | 1999-11-09 | 2003-01-16 | Keiper Gmbh & Co | Vehicle seat with height adjuster |
| EP1894769A1 (en) * | 2005-03-31 | 2008-03-05 | TS Tech Co., Ltd | Seat height adjustment device for automobile |
| CN201437336U (en) * | 2009-04-23 | 2010-04-14 | 佛吉亚(上海)管理有限公司 | Locking mechanism of manual height-adjusting mechanism for automobile chairs |
| CN101850733A (en) * | 2010-06-13 | 2010-10-06 | 浙江龙生汽车部件股份有限公司 | One-way operator for lifting automobile seat |
| CN203211128U (en) * | 2013-04-25 | 2013-09-25 | 宁波双林汽车部件股份有限公司 | Simple reverse locking transmission device |
-
2013
- 2013-04-25 CN CN201310175040.5A patent/CN103241142B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19953630C2 (en) * | 1999-11-09 | 2003-01-16 | Keiper Gmbh & Co | Vehicle seat with height adjuster |
| EP1894769A1 (en) * | 2005-03-31 | 2008-03-05 | TS Tech Co., Ltd | Seat height adjustment device for automobile |
| CN201437336U (en) * | 2009-04-23 | 2010-04-14 | 佛吉亚(上海)管理有限公司 | Locking mechanism of manual height-adjusting mechanism for automobile chairs |
| CN101850733A (en) * | 2010-06-13 | 2010-10-06 | 浙江龙生汽车部件股份有限公司 | One-way operator for lifting automobile seat |
| CN203211128U (en) * | 2013-04-25 | 2013-09-25 | 宁波双林汽车部件股份有限公司 | Simple reverse locking transmission device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538498A (en) * | 2013-09-30 | 2014-01-29 | 浙江龙生汽车部件股份有限公司 | Automobile seat lifting adjustment mechanism and method |
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| Publication number | Publication date |
|---|---|
| CN103241142B (en) | 2015-12-30 |
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