CN107956789B - Angle adjusting mechanism - Google Patents
Angle adjusting mechanism Download PDFInfo
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- CN107956789B CN107956789B CN201711185235.2A CN201711185235A CN107956789B CN 107956789 B CN107956789 B CN 107956789B CN 201711185235 A CN201711185235 A CN 201711185235A CN 107956789 B CN107956789 B CN 107956789B
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- transition seat
- wall
- outer ring
- disc
- disc body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides an angle adjusting mechanism; comprises a locking disc, a transition seat and an outer ring; the disk body inside of locking dish is equipped with the cavity, and the column spinner runs through disk body and both ends and supports respectivelyOn the disk body, the rotating column is provided with a shifting groove, the spoon plate is matched with the shifting groove, one end of the bolt extends into the cavity of the disk body, one end of the connecting rod is hinged with the bolt, and the other end of the connecting rod is hinged with the side wall of the rotating column; the end surface of the transition seat is provided with an installation groove, the side wall of the installation groove is provided with a plurality of transition holes, the outer wall of the transition seat is provided with a T-shaped limiting boss, and the end surface of the transition seat is hinged with a limiting rod;outer ringThe inner wall is provided with a plurality of slots, the inner wall of the outer ring is provided with a limiting groove, the end surface of the outer ring is provided with a plurality of positioning rods, and a gap for fixing the position of the limiting rod of the transition seat is arranged between the two positioning rods. The transition seat and the outer ring rotate relatively, so that the angle adjusting mechanism achieves the effect of adjusting the angle, and the rotating column of the locking disc is utilized to drive the bolt to be matched with the slot of the outer ring, so that the relative angle between the transition ring and the outer ring is fixed.
Description
Technical Field
The invention relates to an angle adjusting mechanism.
Background
The angle formed between the two profiles is generally adjusted at the hinged position of the two profiles through an angle adjusting mechanism, but the existing adjusting mechanism has the defects of complex structure, complicated process, poor torsion resistance after the angle is fixed, unstable angle between the two profiles or damage to the angle adjusting mechanism.
Disclosure of Invention
The invention aims to provide an angle adjusting mechanism which is reasonable in structure, stable and reliable.
In order to solve the technical problem, the invention provides an angle adjusting mechanism;
comprises a locking disc, a transition seat and an outer ring;
the locking disc comprises a rotary column, a disc body, a key plate, a plurality of bolts and a plurality of connecting rods, wherein a cavity is formed in the disc body, the rotary column penetrates through the disc body from the axial direction of the disc body, two ends of the rotary column are respectively supported on the disc body, a shifting groove is formed in one end face of the rotary column, the key plate is matched with the shifting groove, one end of each bolt extends into the cavity of the disc body, the other end of each bolt extends out of the disc body, the axial direction of each bolt is consistent with the radial direction of the disc body, the bolts and the connecting rods are in one-to-one correspondence, one end of each connecting rod is hinged with the corresponding bolt in the cavity of the disc body, the other end of each connecting rod is hinged with the side wall of the rotary column in the cavity of the disc body, and the hinging directions of the two ends of each connecting rod are consistent with the axial direction of the rotary column;
the end face of the transition seat is provided with a mounting groove, the mounting groove is matched with the outer contour of the locking disc body, the side wall of the mounting groove is provided with a plurality of transition holes penetrating through the outer wall of the transition seat along the radial direction of the transition seat, the transition holes correspond to a plurality of bolt positions of the locking disc, the outer wall of the transition seat is provided with a T-shaped limiting boss, and the end face of the transition seat is hinged with a limiting rod;
outer ringThe inner wall is provided with a plurality of slots matched with the bolts of the locking disc along the circumferential direction, the inner wall of the outer ring is provided with a limiting groove matched with the limiting lug boss of the outer wall of the transition seat along the circumferential direction, the end face of the outer ring is provided with a plurality of positioning rods, and a gap for fixing the position of the limiting rod of the transition seat is arranged between the two positioning rods.
After the structure is adopted, the transition seat and the outer ring rotate relatively, so that the angle adjusting mechanism achieves the effect of adjusting the angle, and the rotating column of the locking disc is utilized to drive the bolt to be matched with the slot of the outer ring, so that the relative angle between the transition ring and the outer ring is fixed.
The rotating column of the angle adjusting mechanism is also internally provided with at least one mounting chamber and at least one connecting chamber, the mounting chambers and the connecting chambers are in one-to-one correspondence, the mounting chambers are communicated with the toggle groove through the connecting chambers, and the mounting chambers are provided with openings on the end surfaces of one sides of the rotating column, which are close to the bottom of the mounting groove of the transition seat;
be equipped with friction pack in the column spinner, friction pack includes the depression bar, branch, friction disc and spring, the depression bar, friction disc and spring are in the installation cavity, the friction disc is fixed at depression bar one side tip, the opening that the friction disc can stretch out the installation cavity contacts with the mounting groove bottom cell wall of transition seat, the spring setting is between depression bar opposite side tip and installation cavity lateral wall, branch one end is articulated with the depression bar middle part, the middle part of branch is articulated between with being connected the cavity lateral wall, the other end of branch stretches into stirs the inslot.
After the structure is adopted, when the key plate is not in the shifting groove, the friction component can ensure that the angle of the locking disc relative to the transition seat is not easy to change, and after the key plate is inserted into the shifting groove, the friction plate of the friction component is separated from the groove wall at the bottom of the mounting groove.
Drawings
Fig. 1 is a perspective view of an embodiment of the present angle adjustment mechanism.
FIG. 2 is a front view of the present angle adjustment mechanism embodiment in an adjustment mode.
Fig. 3 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A of fig. 2.
Fig. 4 is a schematic view of the structure of fig. 3 in the fixed mode.
FIG. 5 is a perspective view of the outer ring of the embodiment of the present angle adjustment mechanism.
FIG. 6 is a perspective view of a transition seat of an embodiment of the present angle adjustment mechanism.
Fig. 7 is an enlarged view of a portion B of fig. 3.
FIG. 8 is a cross-sectional view of a locking plate of an embodiment of the present angle adjustment mechanism.
Detailed Description
As shown in fig. 1 to 8 (in fig. 3 and 4, the spoon blades 13 are separated from the locking disk 1 for the purpose of viewing the structure of the present application, and in fig. 8, the rotary cylinder 12 does not show the mounting chamber 12b and the connecting chamber 12c due to the height of the cross-section).
The angle adjusting mechanism comprises a locking disc 1, a transition seat 2 and an outer ring 5.
The locking disc 1 comprises a rotary column 12, a disc body 11, a key plate 13, three bolts 14 and three connecting rods 15, the disc body 11 is in a flying disc shape, a cavity 11a is arranged in the disc body 11, the rotary column 12 penetrates through the two side ends of the disc body 11 from the axial direction of the disc body 11, the two ends of the rotary column 12 are respectively supported on the disc body 11, a toggle groove 12a is arranged on one end face of the rotary column 12, the key plate 13 can extend into the toggle groove 12a, the key plate 13 extends into the toggle groove 12a and then drives the rotary column 12 to rotate relative to the disc body 11, three through holes 11b matched with the bolts 14 are arranged on the circumferential side wall of the disc body 11, the side wall of the cavity 11a extends inwards along the edge of the through hole 11b to form a guide part 11c for limiting the trend of the bolt 14, one end of the bolt 14 extends into the cavity 11a of the tray body 11, the other end of the bolt 14 extends out of the tray body 11, the axial direction of the bolt 14 is consistent with the radial direction of the tray body 11, the three bolts 14 and the three connecting rods 15 are in one-to-one correspondence, one end of each connecting rod 15 is hinged with the bolt 14 in the cavity 11a of the tray body 11, the other end of each connecting rod 15 is hinged with the side wall of the rotary column 12 in the cavity 11a of the tray body 11, and the hinging directions of the two ends of each connecting rod 15 are consistent with the axial direction of the rotary column 12.
Open on 2 terminal surfaces of transition seat there is the mounting groove, and the mounting groove agrees with the 11 external profile of disk body of locking dish 1, and the mounting groove lateral wall is opened along 2 radial directions of transition seat has three transition hole 22 that run through 2 outer walls of transition seat, and three transition hole 22 is corresponding with locking dish 1's three bolt 14 positions, and 2 outer walls of transition seat are equipped with the spacing boss 23 of T shape, and it has gag lever post 24 to articulate on 2 terminal surfaces of transition seat.
Two installation chambers 12b and two connection chambers 12c are further arranged in the rotary column 12, one installation chamber 12b and one connection chamber 12c form a group, two groups of installation chambers 12b and two groups of connection chambers 12c are respectively arranged on two sides of the toggle groove 12a, the installation chambers 12b are communicated with the toggle groove 12a through the connection chambers 12c, and the installation chambers 12b are provided with openings on the end surface of one side of the rotary column 12 close to the bottom of the installation groove of the transition seat 2.
Two groups of friction components are arranged in the rotary column 12, the two groups of friction components correspond to two groups of installation cavities 12b and connection cavities 12c respectively, each friction component comprises a pressure lever 32, a support rod 34, a friction plate 31 and a spring 33, the pressure levers 32, the friction plates 31 and the springs 33 are arranged in the installation cavities 12b, the friction plates 31 are fixed at the end parts of one sides of the pressure levers 32, the friction plates 31 can be made of rubber or plastic, openings, extending out of the installation cavities 12b, of the friction plates 31 are in contact with the groove walls of the bottoms of the installation grooves of the transition seats 2, the springs 33 are arranged between the end parts of the other sides of the pressure levers 32 and the side walls of the installation cavities 12b, one ends of the support rods 34 are hinged to the middle parts of the pressure levers 32, the middle parts of the support rods 34 are hinged to the side walls of the connection cavities 12c, and the other ends of the support rods 34 extend into the toggle grooves 12 a.
Eighteen slots 51 matched with the pins 14 of the locking disc 1 are formed in the inner wall of the outer ring 5 along the circumferential direction of the outer ring, a limiting groove 52 matched with the limiting boss 23 of the outer wall of the transition seat 2 is formed in the inner wall of the outer ring 5 along the circumferential direction of the outer ring, the limiting groove 52 sequentially passes through the eighteen slots 51, thirty-six positioning rods 53 are arranged on the end face of the outer ring 5, every two thirty-six positioning rods 53 form a group, and a gap for fixing the position of the limiting rod 24 of the transition seat 2 is formed between every two positioning rods 53.
When the angle adjusting mechanism is used, the outer ring 5 and the transition seat 2 are correspondingly welded with the two bars respectively, the limiting rod 24 of the transition seat 2 is separated from the positioning rod 53 of the outer ring 5, the key plate 13 extends into the toggle groove 12a of the rotary column 12, when the key plate 13 is inserted into the bottom of the toggle groove 12a, the key plate 13 is contacted with the end part of the supporting rod 34 of the friction component, the supporting rod 34 then drives the pressure rod 32 to move against the elastic force of the spring 33, the friction plate 31 at the end part of the pressure rod 32 is separated from the groove wall at the bottom of the installation groove of the transition seat 2, the rotary column 12 is driven to rotate by rotating the key plate 13, the three connecting rods 15 respectively drive the three bolts 14 to move towards the inner side of the rotary column 12 until the bolts 14 are separated from the insertion grooves 51 of the outer ring 5, then the transition seat 2 and the locking disc 1 are integrally rotated relative to the outer ring 5 until the two bars reach the preset positions, the limiting rod 24 of the transition seat 2 is rotated again to be between the two corresponding positioning rods 53, and at this time, the angle adjusting mechanism is in an adjusting mode;
finally, the rotating key plate 13 is rotated reversely to drive the rotating column 12 to rotate, the three connecting rods 15 respectively drive the three bolts 14 to move towards the outer side direction of the rotating column 12, and the bolts 14 finally extend into the corresponding slots 51 of the outer ring 5 to complete the angle control of the angle adjusting mechanism, and at the moment, the angle adjusting mechanism is in a fixed mode.
The angle adjusting mechanism can design the outer ring into an upper half outer ring and a half lower outer ring which are arranged up and down when in mass production, the upper outer ring and the lower outer ring are combined together to form a circumferential limiting groove and eighteen slots, and the upper outer ring and the lower outer ring are combined outside the transition seat and then are welded and fixed; in a similar way, the disc body and the rotating column of the locking disc can be divided into an upper half body structure and a lower half body structure.
The above description is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered as falling within the protection scope of the present invention.
Claims (2)
1. An angle adjustment mechanism characterized in that:
comprises a locking disc, a transition seat and an outer ring;
the locking disc comprises a rotary column, a disc body, a key plate, a plurality of bolts and a plurality of connecting rods, wherein a cavity is formed in the disc body, the rotary column penetrates through the disc body from the axial direction of the disc body, two ends of the rotary column are respectively supported on the disc body, a shifting groove is formed in one end face of the rotary column, the key plate is matched with the shifting groove, one end of each bolt extends into the cavity of the disc body, the other end of each bolt extends out of the disc body, the axial direction of each bolt is consistent with the radial direction of the disc body, the bolts and the connecting rods are in one-to-one correspondence, one end of each connecting rod is hinged with the corresponding bolt in the cavity of the disc body, the other end of each connecting rod is hinged with the side wall of the rotary column in the cavity of the disc body, and the hinging directions of the two ends of each connecting rod are consistent with the axial direction of the rotary column;
the end face of the transition seat is provided with a mounting groove, the mounting groove is matched with the outer contour of the locking disc body, the side wall of the mounting groove is provided with a plurality of transition holes penetrating through the outer wall of the transition seat along the radial direction of the transition seat, the transition holes correspond to a plurality of pins of the locking disc in position, the outer wall of the transition seat is provided with a T-shaped limiting boss, and the end face of the transition seat is hinged with a limiting rod;
outer ringThe inner wall is opened along its circumference direction has a plurality of and the bolt complex slot of locking plate, and the outer loop inner wall is opened along its circumference direction has the spacing recess with the spacing boss complex of transition seat outer wall, and the outer loop terminal surface is equipped with a plurality of locating levers, is equipped with the clearance of fixed transition seat gag lever post position between two locating levers.
2. The angle adjustment mechanism of claim 1, wherein:
the rotating column is also internally provided with at least one mounting chamber and at least one connecting chamber, the mounting chambers and the connecting chambers are in one-to-one correspondence, the mounting chambers are communicated with the toggle groove through the connecting chambers, and the mounting chambers are provided with openings on the end surface of one side of the rotating column close to the bottom of the mounting groove of the transition seat;
be equipped with friction subassembly in the column spinner, friction subassembly includes the depression bar, branch, friction disc and spring, the depression bar, friction disc and spring are in the installation cavity, the friction disc is fixed at depression bar one side tip, the opening that the installation cavity can be stretched out to the friction disc contacts with the mounting groove bottom cell wall of transition seat, the spring setting is between depression bar opposite side tip and installation cavity lateral wall, branch one end is articulated with the depression bar middle part, the middle part of branch is articulated between being connected the cavity lateral wall, the other end of branch stretches into stirs the inslot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185235.2A CN107956789B (en) | 2017-11-23 | 2017-11-23 | Angle adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185235.2A CN107956789B (en) | 2017-11-23 | 2017-11-23 | Angle adjusting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107956789A CN107956789A (en) | 2018-04-24 |
| CN107956789B true CN107956789B (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711185235.2A Active CN107956789B (en) | 2017-11-23 | 2017-11-23 | Angle adjusting mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN107956789B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0359970A1 (en) * | 1988-09-06 | 1990-03-28 | Hailo-Werk Rudolf Loh GmbH & Co. KG | Locking hinge for a multipurpose ladder |
| CN1149661A (en) * | 1995-08-21 | 1997-05-14 | 宋寅权 | Hinge for folding ladder |
| CN106828211A (en) * | 2017-02-21 | 2017-06-13 | 广州视源电子科技股份有限公司 | Seat angle adjusting device |
| CN106891784A (en) * | 2017-02-21 | 2017-06-27 | 广州视源电子科技股份有限公司 | Wheel disc device |
-
2017
- 2017-11-23 CN CN201711185235.2A patent/CN107956789B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0359970A1 (en) * | 1988-09-06 | 1990-03-28 | Hailo-Werk Rudolf Loh GmbH & Co. KG | Locking hinge for a multipurpose ladder |
| CN1149661A (en) * | 1995-08-21 | 1997-05-14 | 宋寅权 | Hinge for folding ladder |
| CN106828211A (en) * | 2017-02-21 | 2017-06-13 | 广州视源电子科技股份有限公司 | Seat angle adjusting device |
| CN106891784A (en) * | 2017-02-21 | 2017-06-27 | 广州视源电子科技股份有限公司 | Wheel disc device |
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| Publication number | Publication date |
|---|---|
| CN107956789A (en) | 2018-04-24 |
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Effective date of registration: 20220929 Address after: 221400 Minjiang Road, Wuxi-Xinyi Industrial Park, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: JIANGSU SIDA HEAVY INDUSTRY Co.,Ltd. Address before: No. 1, Unit 3, Building 5, No. 401, Xingzhong Road, Yuhui District, Bengbu City, Anhui Province 233000 Applicant before: Zhu Wenyun |
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