CN101482142B - Torsional spring type stepless angle regulation positioning device - Google Patents
Torsional spring type stepless angle regulation positioning device Download PDFInfo
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- CN101482142B CN101482142B CN2009101031769A CN200910103176A CN101482142B CN 101482142 B CN101482142 B CN 101482142B CN 2009101031769 A CN2009101031769 A CN 2009101031769A CN 200910103176 A CN200910103176 A CN 200910103176A CN 101482142 B CN101482142 B CN 101482142B
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- box
- joint
- torsion spring
- spring
- axle
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Abstract
The invention relates to a torsional spring type stepless angle regulating and positioning mechanism. The bottom of a first axis body box is provided with a first axis-inserting pit. The bottom of a first gland bush box is provided with a first through hole. The torsional spring type stepless angle regulating and positioning mechanism is characterized in that a torsional spring angle regulating and positioning mechanism which consists of a first axle sleeve, a first stepped shaft and a first torsional spring which is matched with the outside of the first axle sleeve and a large end part of the first stepped shaft and is fixed with one end is arranged in a first joint box; the large end of the first stepped shaft is statically matched with the first axis-inserting pit in the first axis body box; a first bolt penetrates through the first through hole at the bottom center of the first gland bush box to be matched and connected with a small end of the first stepped shaft; and a free end of the first torsional spring is contacted with a shifting block of a first toggle mechanism along the inner side of the rotational winding direction. The torsional spring type stepless angle regulating and positioning mechanism has the advantage that a common torsional spring structure is adopted, and the rotation angle is adjusted by screwing and loosening the torsional spring, thereby being capable of adjusting fast in a stepless way and positioning reliably.
Description
Technical field
The present invention relates to angle regulation positioning device, be specifically related to a kind of torsional spring type stepless angle regulation positioning device.
Background technique
In the mechanical device that has, be provided with the parts that need to regulate rotation angle and location, as the inclined angle regulating mechanism of motor vehicle seat back.Common angle regulation positioning device has two types: a kind of is small teeth number difference planet gear mechanism, though there is gear backlash in reliable transmission, governing speed is slow; Another kind of ratchet mechanism, though there is not the back lash, governing speed is fast, regulates for level is arranged.These two kinds of angle regulation positioning devices all exist structure comparatively complicated, the deficiency that manufacturing expense is high.Yet objective reality is starved of that structure is comparatively simple, cost is comparatively cheap, and governing speed is fast, locate reliable angle regulation positioning device, if any engineering goods, household electric appliance, the mechanical arm or the cantilever of medical apparatus, or the like.
Summary of the invention
The purpose of this invention is to provide a kind of torsional spring type stepless angle regulation positioning device, its structure is comparatively simple, make easily, step-less adjustment rotation angle apace, and easy and simple to handle, the location is reliable.
Stepless angle regulation positioning device of the present invention comprises the first joint box of being made up of the first axle body box and the mutual snapping of the first gland box;
The place of establishing, center in the first axle body box bottom has first to insert and spool cheat, be provided with first joint along the tangent direction of the first axle body box cylindrical one side, and first joint is connected with first link arm;
Be provided with first through hole in the center of first gland box bottom, be provided with second joint along the tangent direction of the first gland box cylindrical, one side, second joint is connected with second link arm;
It is characterized in that: a torsion spring angle regulation positioning device is located in the first joint box, first multidiameter shaft that this torsion spring angle regulation positioning device is cooperated with first axle sleeve by first axle sleeve, small end, form with first torsion spring that big end cooperates and an end is fixing of the outside of first axle sleeve and first multidiameter shaft, the other end of first torsion spring is a free end;
In the big end of first multidiameter shaft and the first axle body box first inserted axle hole stationary fit, and first screw passes first through hole of first packing ring, first spring and the first gland box bottom centre and the screw of the first multidiameter shaft small end is connected;
The free end of first torsion spring contacts with the shifting block of first toggle mechanism along the inboard of curling up direction.
Described torsional spring type stepless angle regulation positioning device, its described first toggle mechanism comprises a connecting rod, and an end of this connecting rod is connected with first axle sleeve is vertical, and an end of first torsion spring is fixed on the connecting rod; The bottom of the spring seat that the other end of this connecting rod is interior with being located at second link arm cooperates, and is provided with pressure spring in spring seat; Comprise that also with connecting rod middle part hinged and shifting block is the shift fork of kink shape, is provided with projection at the rear portion of this shift fork; The upper end of pressure spring contacts with the inwall of second link arm, and the upper end of projection is corresponding with the same inwall of second link arm.
Torsional spring type stepless angle regulation positioning device of the present invention comprises the second joint box of being made up of the second axle body box and the mutual snapping of the second gland box;
Center in the second axle body box bottom is provided with second and inserts axle and cheat, be provided with the 3rd joint along the tangent direction of the second axle body box cylindrical one side, and the 3rd joint is connected with the 3rd link arm;
Be provided with second through hole in the center of second gland box bottom, be provided with the 4th joint along the tangent direction of the second gland box cylindrical, one side, the 4th joint is connected with the 4th link arm;
It is characterized in that: a torsion spring angle regulation positioning device is located in the second joint box, second multidiameter shaft that this torsion spring angle regulation positioning device is cooperated with second axle sleeve by second axle sleeve, small end, form with second torsion spring that big end cooperates and an end is fixing of the outside of second axle sleeve and second multidiameter shaft, the other end of second torsion spring is a free end;
In the big end of second multidiameter shaft and the second axle body box second inserted axle hole stationary fit, and second screw passes second through hole of second packing ring, second spring and the second gland box bottom centre and the screw of the second multidiameter shaft small end is connected; The free end of second torsion spring contacts with the shifting block of second toggle mechanism along the inboard of curling up direction.
Described torsional spring type stepless angle regulation positioning device, its described second toggle mechanism comprises button spindle in the shoulder hole that is located on the second gland box, be enclosed within on the button spindle and button spring that the lower end contact with step in the shoulder hole, be engaged on the button spindle and with the button cap of the last end in contact of button spring, the inboard that direction is curled up on the free end edge that the button spindle bottom is the cone shape shifting block and second torsion spring near.
The present invention compares with prior art and has the following advantages: owing to adopted common torsion spring structure,, utilize tightening and unclamping and regulate rotation angle of torsion spring so make easily, and step-less adjustment apace, easy and simple to handle, the location is reliable.
Description of drawings
Fig. 1 is the parts relative position schematic representation of the present invention's first form.
Fig. 2 is the schematic representation of the present invention's first form.
The schematic representation of Fig. 3 first joint box.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the schematic representation of second joint box.
Fig. 6 is the A-A sectional view of Fig. 5.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, torsional spring type stepless angle regulation positioning device of the present invention (first form) comprises the first joint box of being made up of the first axle body box 1 and the first gland box, 2 mutual snappings;
Center in the first axle body box 1 bottom is provided with and first inserts an axle hole 1-1, is provided with the first joint 1-2 along the tangent direction of the first axle body box cylindrical one side, and first joint is connected with first link arm 3;
Be provided with the first through hole 2-1 in the center of the first gland box, 2 bottoms, be provided with the second joint 2-2 along the tangent direction of the first gland box cylindrical, one side, second joint is connected with second link arm 4;
One spring angle regulation positioning device is located in the first joint box, first multidiameter shaft 6 that this torsion spring angle regulation positioning device is cooperated with first axle sleeve by first axle sleeve 5, small end, form with first torsion spring 7 that big end cooperates and an end is fixing of the outside of first axle sleeve and first multidiameter shaft, the other end of first torsion spring is a free end;
In the big end of first multidiameter shaft 6 and the first axle body box 1 first inserted the 1-1 stationary fit of axle hole, and first screw 8 passes the first through hole 2-1 of first packing ring 9, first spring 10 and the first gland box, 2 bottom centre and the screw of first multidiameter shaft, 6 small ends is connected;
The free end of first torsion spring 7 contacts with the shifting block of first toggle mechanism along the inboard of curling up direction.
Described first toggle mechanism comprises a connecting rod 11, an end of this connecting rod and 5 vertical connections of first axle sleeve, and an end of first torsion spring 7 is fixed on the connecting rod; The other end of this connecting rod cooperates with the bottom of spring seat 12 in being located at second link arm 4, is provided with pressure spring 13 in spring seat; Comprise that also with connecting rod middle part hinged and shifting block is the shift fork 14 of kink shape, is provided with projection 15 at the rear portion of this shift fork; The upper end of pressure spring 13 contacts with the inwall of second link arm 4, and the upper end of projection 15 is corresponding with the same inwall of second link arm 4.
When needs are regulated counterclockwise the angle of second link arm and position, only with hand is pulled the secondth link arm to the position that needs in the counterclockwise direction and is got final product, rely on lashing force (the being frictional force) location between first torsion spring and first axle sleeve and first multidiameter shaft after letting go, very reliable.
When needs are regulated clockwise the angle of second link arm and position, only with hand is pulled second link arm along clockwise direction, make the inwall of second link arm depress the pressure spring at middle part earlier, at the projection of depressing on the shift fork rear portion, the shifting block that the shift fork front end is kink shape is promptly stirred first torsion spring along the inboard that first torsion spring curls up direction, the part that first torsion spring is cooperated with first multidiameter shaft is in loosening state, first axle sleeve can clockwise rotate and can be let go in second link arm to needs position, after letting go, effect at pressure spring restores to the original state with second link arm, projection on the shift fork rear portion also returns to original state, no longer stir the free end of first torsion spring, first torsion spring is got back to the state of screwing with the part that first multidiameter shaft cooperates, still rely on lashing force (the being frictional force) location between first torsion spring and first axle sleeve and first multidiameter shaft, also very reliable.
Embodiment two: referring to Fig. 5 and Fig. 6, torsional spring type stepless angle regulation positioning device of the present invention (second form) comprises the second joint box of being made up of the second axle body box 21 and the second gland box, 22 mutual snappings;
Center in the second axle body box 21 bottoms is provided with and second inserts an axle hole 21-1, is provided with the 3rd joint 21-2 along the tangent direction of the second axle body box cylindrical one side, and the 3rd joint is connected with the 3rd link arm 23;
Be provided with the second through hole 22-1 in the center of the second gland box, 22 bottoms, be provided with the 4th joint 22-2 along the tangent direction of the second gland box cylindrical, one side, the 4th joint is connected with the 4th link arm 24; One torsion spring angle regulation positioning device is located in the second joint box, second multidiameter shaft 26 that this torsion spring angle regulation positioning device is cooperated with second axle sleeve by second axle sleeve 25, small end, form with second torsion spring 27 that big end cooperates and an end is fixing of the outside of second axle sleeve and second multidiameter shaft, the other end of second torsion spring is a free end;
In the big end of second multidiameter shaft 26 and the second axle body box 21 second inserted the 21-1 stationary fit of axle hole, and second screw 28 passes the second through hole 22-1 of second packing ring 29, second spring 30 and the second gland box, 22 bottom centre and the screw of second multidiameter shaft, 26 small ends is connected;
The free end of second torsion spring 27 contacts with the shifting block of second toggle mechanism along the inboard of curling up direction.
Described second toggle mechanism comprises button spindle 31 in the shoulder hole 22-3 that is located on the second gland box, be enclosed within on the button spindle and button spring 32 that the lower end contact with step in the shoulder hole, be engaged on the button spindle and with the button cap 33 of the last end in contact of button spring, the inboard that direction is curled up on the free end edge that the button spindle bottom is the cone shape shifting block and second torsion spring 27 near.
When needs are regulated counterclockwise the angle of the 4th link arm and the 3rd link arm and position, only with hand is pulled the 4th link arm in the counterclockwise direction makes it get final product to the position that needs, rely on lashing force (the being frictional force) location between second torsion spring and second axle sleeve and second multidiameter shaft after letting go, very reliable.
When needs are regulated clockwise the angle of the 4th link arm and the 3rd link arm and position, only need to press button cap on the second joint box with a hand, the conical surface of the coniform shifting block of button spindle bottom is promptly stirred second torsion spring along the inboard that second torsion spring curls up direction, the part that second torsion spring is cooperated with second multidiameter shaft is in loosening state, and pull the 4th cantilever along clockwise direction, it can be let go to the needs position, the release button cap returns to original state afterwards, the conical surface of the coniform shifting block of button spindle bottom is no longer stirred the free end of second torsion spring, second torsion spring is got back to the state of screwing with the part that second multidiameter shaft cooperates, still rely on lashing force (the being frictional force) location between second torsion spring and second axle sleeve and second multidiameter shaft, also very reliable.
Claims (2)
1. torsional spring type stepless angle regulation positioning device comprises the first joint box of being made up of the first axle body box (1) and the mutual snapping of the first gland box (2); Center in the first axle body box (1) bottom is provided with first and inserts axle and cheat (1-1), be provided with first joint (1-2) along the tangent direction of the first axle body box cylindrical one side, and first joint is connected with first link arm (3); Be provided with first through hole (2-1) in the center of the first gland box (2) bottom, be provided with second joint (2-2) along the tangent direction of the first gland box cylindrical, one side, second joint is connected with second link arm (4); It is characterized in that: a torsion spring angle regulation positioning device is located in the first joint box, first multidiameter shaft (6) that this torsion spring angle regulation positioning device is cooperated with first axle sleeve by first axle sleeve (5), small end, form with first torsion spring (7) that big end cooperates and an end is fixing of the outside of first axle sleeve and first multidiameter shaft, the other end of first torsion spring is a free end; In the big end of first multidiameter shaft (6) and the first axle body box (1) first inserted axle hole (1-1) stationary fit, and first screw (8) passes first through hole (2-1) of first packing ring (9), first spring (10) and first gland box (2) bottom centre and the screw of first multidiameter shaft (6) small end is connected; The free end of first torsion spring (7) contacts with the shifting block of first toggle mechanism along the inboard of curling up direction; Described first toggle mechanism comprises a connecting rod (11), and an end of this connecting rod is fixed on the connecting rod with vertical connection of first axle sleeve (5) a, end of first torsion spring (7); The bottom of the spring seat (12) that the other end of this connecting rod is interior with being located at second link arm (4) cooperates, and is provided with pressure spring (13) in spring seat; Comprise that also with connecting rod middle part hinged and shifting block is the shift fork (14) of kink shape, is provided with projection (15) at the rear portion of this shift fork; The upper end of pressure spring (13) contacts with the inwall of second link arm (4), and the upper end of projection (15) is corresponding with the same inwall of second link arm (4).
2. torsional spring type stepless angle regulation positioning device comprises the second joint box of being made up of the second axle body box (21) and the mutual snapping of the second gland box (22); Center in the second axle body box (21) bottom is provided with second and inserts axle and cheat (21-1), be provided with the 3rd joint (21-2) along the tangent direction of the second axle body box cylindrical one side, and the 3rd joint is connected with the 3rd link arm (23); Be provided with second through hole (22-1) in the center of the second gland box (22) bottom, be provided with the 4th joint (22-2) along the tangent direction of the second gland box cylindrical, one side, the 4th joint is connected with the 4th link arm (24); It is characterized in that: a torsion spring angle regulation positioning device is located in the second joint box, second multidiameter shaft (26) that this torsion spring angle regulation positioning device is cooperated with second axle sleeve by second axle sleeve (25), small end, form with second torsion spring (27) that big end cooperates and an end is fixing of the outside of second axle sleeve and second multidiameter shaft, the other end of second torsion spring is a free end; In the big end of second multidiameter shaft (26) and the second axle body box (21) second inserted axle hole (21-1) stationary fit, and second screw (28) passes second through hole (22-1) of second packing ring (29), second spring (30) and second gland box (22) bottom centre and the screw of second multidiameter shaft (26) small end is connected; The free end of second torsion spring (27) contacts with the shifting block of second toggle mechanism along the inboard of curling up direction; Described second toggle mechanism comprises button spindle (31) in the shoulder hole (22-3) that is located on the second gland box, be enclosed within on the button spindle and button spring (32) that the lower end contact with step in the shoulder hole, be engaged on the button spindle and with the button cap (33) of the last end in contact of button spring, the inboard that direction is curled up on the free end edge that the button spindle bottom is cone shape shifting block and second torsion spring (27) near.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101031769A CN101482142B (en) | 2009-02-12 | 2009-02-12 | Torsional spring type stepless angle regulation positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101031769A CN101482142B (en) | 2009-02-12 | 2009-02-12 | Torsional spring type stepless angle regulation positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101482142A CN101482142A (en) | 2009-07-15 |
| CN101482142B true CN101482142B (en) | 2010-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101031769A Expired - Fee Related CN101482142B (en) | 2009-02-12 | 2009-02-12 | Torsional spring type stepless angle regulation positioning device |
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| Country | Link |
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| CN (1) | CN101482142B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146955B (en) * | 2011-03-15 | 2013-10-23 | 浙江师范大学 | Stepless adjusting and locking structure of mechanical joint angle |
| CN104675849B (en) * | 2013-11-29 | 2018-12-14 | 鸿富锦精密工业（深圳）有限公司 | The vehicle-mounted bracket of turning gear and the application turning gear |
| CN105986441A (en) * | 2015-03-06 | 2016-10-05 | 舒幸民 | Portable clothes dryer |
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2009
- 2009-02-12 CN CN2009101031769A patent/CN101482142B/en not_active Expired - Fee Related
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| CN101482142A (en) | 2009-07-15 |
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Granted publication date: 20101027 Termination date: 20140212 |