CN110397382B - A multi-link mechanism - Google Patents
A multi-link mechanism Download PDFInfo
- Publication number
- CN110397382B CN110397382B CN201910684416.2A CN201910684416A CN110397382B CN 110397382 B CN110397382 B CN 110397382B CN 201910684416 A CN201910684416 A CN 201910684416A CN 110397382 B CN110397382 B CN 110397382B
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- China
- Prior art keywords
- crank
- connecting rod
- door
- link
- group
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/90—Revolving doors; Cages or housings therefor
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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
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
- F16H21/18—Crank gearings; Eccentric gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to the technical field of unidirectional passing equipment and discloses a multi-link mechanism which comprises an input shaft, a crank group and a link group, wherein the crank group and the link group are arranged on the input shaft, the crank group comprises a main crank and a second crank fixed on the main crank, the link group comprises a first link rod hinged with the main crank and a second link rod hinged with the second crank, one end of the first link rod, which is far away from the main crank, is a first output end, and one end of the second link rod, which is far away from the second crank, is a second output end. The invention has the following advantages and effects: the input shaft rotates and drives the connecting rod group to move through the crank group, the first connecting rod, the second connecting rod and the third connecting rod in the connecting rod group respectively drive the three auxiliary doors to do linear reciprocating motion, the first auxiliary door, the second auxiliary door and the third auxiliary door are driven to be close to or far away from the main door, so that the inner side and the outer side of the unidirectional door are blocked, the plurality of auxiliary doors are driven to do reciprocating motion through the input shaft, the structural design is ingenious, and the use is flexible and convenient.
Description
Technical Field
The invention relates to the technical field of unidirectional passing equipment, in particular to a multi-link mechanism.
Background
The unidirectional door, namely the unidirectional access door, is usually arranged at the exit of the station, so that passengers in the station can pass through the unidirectional door in one direction. Among the existing unidirectional doors, the comb-shaped unidirectional door is the most common unidirectional door, and has the following defects in the use process, namely, people on the inner side and the outer side of the unidirectional door can mutually transfer articles, and potential safety hazards exist; secondly, when the comb-shaped unidirectional door is used, the inside and the outside of the station are communicated, and when the air conditioner of the station is started in summer and winter, the air conditioning heating or refrigerating effect is reduced, and a large amount of energy consumption is wasted.
In order to solve the technical problems, the applicant invents a novel one-way door on the basis of the structure of the revolving door, namely, a main door of the revolving door is close to or far from the middle part of the main door in the revolving process, so that the inner side and the outer side of the one-way door are blocked, and passengers are prevented from reversely passing through the one-way door. In the design thought, the applicant invents a multi-link mechanism which can drive a plurality of auxiliary doors to do reciprocating linear motion to approach or depart from a main door, so the invention is provided.
Disclosure of Invention
The invention aims to provide a multi-link mechanism which has the effect of driving an auxiliary door to reciprocate to approach or separate from a main door.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a many link mechanism, includes the input shaft, locates crank group on the input shaft, with the corresponding link group of crank group, crank group includes main crank, locates main crank's second crank, link group include with main crank looks articulated first connecting rod, with second crank looks articulated second connecting rod, first connecting rod is kept away from main crank's one end is first output, second connecting rod is kept away from second crank's one end is the second output, the motion of first output, second output is reciprocating rectilinear motion, first output motion stroke is greater than or less than second output motion stroke.
Through adopting above-mentioned technical scheme, when many link mechanism used, the first output of first connecting rod, the second output of second connecting rod are used for driving vice door motion, and the input shaft rotates and drives main crank and second crank motion, and main crank drives first connecting rod motion, and the second crank drives second connecting rod motion, and first output, second output drive respectively two vice doors and do reciprocating motion, and the stroke of both is different, makes two vice doors stagger relatively when being close to main door motion position, carries out the separation to the inside and outside both sides of unidirectional door jointly.
The invention is further provided with: the main crank is fixed with a first hinge shaft, and the second crank is fixed on the first hinge shaft; the first connecting rod is provided with a first hinge hole through which the first hinge shaft passes, the second crank is fixedly provided with a second hinge shaft, the second connecting rod is provided with a second hinge hole through which the second hinge shaft passes, and the distance from the first hinge shaft to the input shaft is greater than or less than the distance from the second hinge shaft to the input shaft.
The invention is further provided with: the first link is either higher or lower than the second link.
By adopting the technical scheme, the first connecting rod is higher or lower than the second connecting rod and is not at the same height, so that the first connecting rod and the second connecting rod are prevented from contacting when moving.
The invention is further provided with: the second crank is provided with a third crank, the connecting rod group comprises a third connecting rod hinged with the third crank, and one end, far away from the third crank, of the third connecting rod is a third output end.
By adopting the technical scheme, the third output end of the third connecting rod can be hinged with the third auxiliary door.
The invention is further provided with: the second link is either above or below the third link.
The invention is further provided with: the third crank is fixed on the second hinge shaft, the third crank is fixed with a third hinge shaft, the third connecting rod is provided with a third hinge hole for the third hinge shaft to pass through, and the distance from the first hinge shaft to the input shaft, the distance from the second hinge shaft to the input shaft and the distance from the third hinge shaft to the input shaft are unequal.
The invention is further provided with: the device also comprises a first slide rail and a second slide rail parallel to the first slide rail, wherein the first slide rail is connected with a first slide block in a sliding manner, and the first slide block is hinged with the first output end; and a second sliding block is connected to the second sliding rail in a sliding manner, and the second sliding block is hinged with the second output end.
By adopting the technical scheme, the first output end is hinged with the first sliding block so as to drive the first sliding block to reciprocate along the length direction of the first sliding rail, and the first auxiliary door can be fixed with the second sliding block. The second output end is hinged with the two sliding blocks so as to drive the two sliding blocks to reciprocate along the length direction of the two sliding rails, and the second auxiliary door can be fixed with the two sliding blocks.
When the multi-link mechanism is installed and used, the first link, the second link and the third link can be respectively hinged with the first auxiliary door, the second auxiliary door and the third auxiliary door so as to drive the three auxiliary doors to reciprocate. The first connecting rod, the second connecting rod and the third connecting rod can be hinged with the first sliding block, the second sliding block and the third sliding block respectively, and are fixed with the three auxiliary doors respectively through the first sliding block, the second sliding block and the third sliding block so as to drive the three auxiliary doors to reciprocate, and the sliding doors can be flexibly selected during installation.
The invention is further provided with: the three-way valve further comprises a third sliding rail, the third sliding rail is connected with a third sliding block in a sliding mode, and the third sliding block is hinged to the third output end.
By adopting the technical scheme, the third output end is hinged with the three phases of the sliding block so as to drive the sliding block to reciprocate along the three length directions of the sliding rail, and the third auxiliary door can be fixed with the three phases of the sliding block.
The invention is further provided with: the input shaft is fixed with a driven gear.
By adopting the technical scheme, the main door of the one-way door can be provided with the driving gear, and the driven gear of the input shaft is meshed with the driving gear so as to transmit the power for rotating the main door to the input shaft.
The beneficial effects of the invention are as follows: the input shaft rotates to drive the connecting rod group to move through the crank group, and the first connecting rod, the second connecting rod and the third connecting rod in the connecting rod group respectively drive the three auxiliary doors to do linear reciprocating motion to drive the first auxiliary door, the second auxiliary door and the third auxiliary door to be close to or far away from the main door so as to separate the inner side and the outer side of the unidirectional door. The multi-link mechanism drives the plurality of auxiliary doors to reciprocate through the input shaft, has ingenious structural design and is flexible and convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the motion state of the crank set and the connecting rod set according to the invention.
Fig. 3 is a second schematic diagram of the motion state of the crank set and the connecting rod set according to the present invention.
Fig. 4 is a schematic view of the structure of the multi-link mechanism of the present invention when mounted on a one-way door.
In the figure, 1, an input shaft; 11. a driven gear; 2. a crank set; 21. a main crank; 211. a first hinge shaft; 22. a second crank; 221. a second hinge shaft; 23. a third crank; 231. a third hinge shaft; 3. a linkage; 31. a first link; 311. a first output terminal; 32. a second link; 321. a second output terminal; 33. a third link; 331. a third output; 4. a first slide rail; 41. a first sliding block; 5. a second slide rail; 51. a second slide block; 6. a sliding rail III; 61. a third slide block; 7. a frame; 71. a first sub-door; 72. a second sub-gate; 73. a third sub-door; 74. a channel; 8. a main door; 81. a main shaft; 811. a drive gear; 82. a door leaf.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Examples: as shown in fig. 1, the multi-link mechanism comprises an input shaft 1, a crank group 2 arranged on the input shaft 1, and a link group 3 corresponding to the crank group 2, wherein the crank group 2 comprises a main crank 21 fixed on the input shaft 1, a second crank 22 arranged on the main crank 21, and a third crank 23 arranged on the second crank 22, and the link group 3 comprises a first link 31 hinged with the main crank 21, a second link 32 hinged with the second crank 22, and a third link 33 hinged with the third crank 23. The main crank 21 is fixed with a first hinge shaft 211, and the first link 31 is provided with a first hinge hole (not shown) through which the first hinge shaft 211 passes to hinge the first link 31 with the main crank 21. The second crank 22 is fixed on the first hinge shaft 211, the second hinge shaft 221 is fixed on the second crank 22, and the second connecting rod 32 is provided with a second hinge hole (not shown) through which the second hinge shaft 221 passes, so as to hinge the second connecting rod 32 with the second crank 22. The third crank 23 is fixed to the second hinge shaft 221, the third hinge shaft 231 is fixed to the third crank 23, and the third link 33 is provided with a third hinge hole (not shown) through which the third hinge shaft 231 passes to hinge the third link 33 with the third crank 23. The distance from the first hinge shaft 211 to the input shaft 1, the distance from the second hinge shaft 221 to the input shaft 1, and the distance from the third hinge shaft 231 to the input shaft are all unequal.
As shown in fig. 2 and 3, the first link 31 is higher or lower than the second link 32, and the second link 32 is higher or lower than the third link 33, and the first link 31, the second link 32 and the third link 33 are all located at different heights, so that the three links do not contact each other when moving. The end of the first connecting rod 31 away from the main crank 21 is a first output end 311, the end of the second connecting rod 32 away from the second crank 22 is a second output end 321, and the end of the third connecting rod 33 away from the third crank 23 is a third output end 331. The multi-link mechanism further comprises a first slide rail 4, a second slide rail 5 and a third slide rail 6 which are parallel to each other, a first slide block 41 is connected to the first slide rail 4 in a sliding manner, and a first output end 311 is hinged with the first slide block 41. The second slide rail 5 is connected with a second slide block 51 in a sliding manner, and the second output end 321 is hinged with the second slide block 51. The third slide rail 6 is slidably connected with a third slide block 61, and the third output end 331 is hinged with the third slide block 61.
When the input shaft 1 rotates, the crank set 2 is driven to move, the main crank 21 drives the first connecting rod 31 to move, the second crank 22 drives the second connecting rod 32 to move, the third crank 23 drives the third connecting rod 33 to move, the first output end 311, the second output end 321 and the third output end 331 all do reciprocating rectilinear motion, and the motion strokes of the first output end 311, the second output end 321 and the third output end 331 are different.
As shown in fig. 4, when the multi-link mechanism is used, the multi-link mechanism is installed on a unidirectional door, the unidirectional door comprises a frame 7, a channel 74 is formed in the frame 7, a main door 8 positioned in the channel 74 is rotatably arranged in the frame 7, and the main door 8 comprises a main shaft 81 rotatably connected to the frame 7 and three door leaves 82 fixed on the main shaft 81. The rack 7 is provided with a unidirectional device for limiting unidirectional rotation of the main door 8, the unidirectional device comprises a fixed shaft fixed on the rack 7, a unidirectional bearing arranged on the fixed shaft, and a unidirectional gear arranged on the outer ring of the unidirectional bearing, the unidirectional gear is meshed with the driving gear 811, and the unidirectional bearing can unidirectional rotate to limit unidirectional rotation of the unidirectional gear, so that unidirectional rotation of the main door 8 is limited, and passengers are prevented from pushing the main door 8 to reversely rotate to reversely pass through the unidirectional door.
As shown in fig. 2 and 3, three sub-doors parallel to each other are slidably provided on the chassis 7, and the three sub-doors are a first sub-door 71, a second sub-door 72, and a third sub-door 73, respectively. The frame 7 is provided with a first chute (not shown) below the first auxiliary door 71, a second chute (not shown) below the second auxiliary door 72, and a third chute (not shown) below the third auxiliary door 73, wherein the bottom of the first auxiliary door 71 is embedded in the first chute (not shown), the bottom of the second auxiliary door 72 is embedded in the second chute (not shown), and the bottom of the third auxiliary door 73 is embedded in the third chute (not shown).
As shown in fig. 2 and 3, the input shaft 1 of the multi-link mechanism is rotatably provided on the housing 7 of the one-way door, the driven gear 11 is fixed to the input shaft 1, the driving gear 811 is fixed to the main shaft 81 of the main door 8, and the driving gear 811 is meshed with the driven gear 11. The first slide rail 4, the second slide rail 5 and the third slide rail 6 are all fixed on the frame 7. The first slide rail 4 is located above the first auxiliary door 71, and the first slide block 41 is fixed with the first auxiliary door 71. The second sliding rail 5 is located above the second auxiliary door 72, and the second sliding block 51 is fixed with the second auxiliary door 72. The third slide rail 6 is located above the third auxiliary door 73, and the third slide block 61 is fixed to the third auxiliary door 73.
Passengers enter the aisle 74, pushing the main door 8 to rotate, and the passengers pass through the one-way door as the main door 8 rotates. The driving gear 811 on the main shaft 81 drives the driven gear 11 and the input shaft 1 to rotate, the input shaft 1 drives the crank set 2 to move, the crank set 2 drives the first auxiliary door 71, the second auxiliary door 72 and the third auxiliary door 73 to reciprocate through the connecting rod set 3, and when the first auxiliary door 71, the second auxiliary door 72 and the third auxiliary door 73 are positioned between two adjacent door leaves 82, the first auxiliary door 71, the second auxiliary door 72 and the third auxiliary door 73 are close to the main shaft 81 of the main door 8, and the positions of the three auxiliary doors are staggered to separate the inner side and the outer side of the unidirectional door. When the main door 8 continues to rotate, the first auxiliary door 71, the second auxiliary door 72 and the third auxiliary door 73 move away from the main shaft 81 of the main door 8 until the first auxiliary door 71, the second auxiliary door 72 and the third auxiliary door 73 are all located outside the movement track of the door leaf 82, and after the door leaf 82 passes through the first auxiliary door 71, the second auxiliary door 72 and the third auxiliary door 73, the first auxiliary door 71, the second auxiliary door 72 and the third auxiliary door 73 are close to the main shaft 81 of the main door 8 again, so that passengers are prevented from passing through the unidirectional door reversely along with the movement of the main door 8, and the inner side and the outer side of the unidirectional door are blocked.
Claims (6)
1. A multi-link mechanism, characterized in that: the crank group (2) is arranged on the input shaft (1), the connecting rod group (3) corresponds to the crank group (2), the crank group (2) comprises a main crank (21) and a second crank (22) arranged on the main crank (21), the connecting rod group (3) comprises a first connecting rod (31) hinged with the main crank (21) and a second connecting rod (32) hinged with the second crank (22), one end of the first connecting rod (31) far away from the main crank (21) is a first output end (311), one end of the second connecting rod (32) far away from the second crank (22) is a second output end (321), the movements of the first output end (311) and the second output end (321) are all reciprocating rectilinear movements, and the movement stroke of the first output end (311) is larger than or smaller than that of the second output end (321). The main crank (21) is fixed with a first hinge shaft (211), and the second crank (22) is fixed on the first hinge shaft (211); the first connecting rod (31) is provided with a first hinge hole for the first hinge shaft (211) to pass through, the second crank (22) is fixedly provided with a second hinge shaft (221), the second connecting rod (32) is provided with a second hinge hole for the second hinge shaft (221) to pass through, and the distance from the first hinge shaft (211) to the input shaft (1) is larger than or smaller than the distance from the second hinge shaft (221) to the input shaft (1); the second crank (22) is provided with a third crank (23), the connecting rod group (3) comprises a third connecting rod (33) hinged with the third crank (23), and one end of the third connecting rod (33) far away from the third crank (23) is a third output end (331); the first link (31) is either higher or lower than the second link (32).
2. A multiple link mechanism according to claim 1, wherein: the second link (32) is either higher or lower than the third link (33).
3. A multiple link mechanism according to claim 1, wherein: the third crank (23) is fixed on the second hinge shaft (221), the third crank (23) is fixed with a third hinge shaft (231), the third connecting rod (33) is provided with a third hinge hole for the third hinge shaft (231) to pass through, and the distance from the first hinge shaft (211) to the input shaft (1), the distance from the second hinge shaft (221) to the input shaft, and the distance from the third hinge shaft (231) to the input shaft (1) are unequal.
4. A multiple link mechanism according to claim 1, wherein: the device further comprises a first slide rail (4) and a second slide rail (5) parallel to the first slide rail (4), wherein a first slide block (41) is connected to the first slide rail (4) in a sliding manner, and the first slide block (41) is hinged with the first output end (311); and the second sliding rail (5) is connected with a second sliding block (51) in a sliding manner, and the second sliding block (51) is hinged with the second output end (321).
5. A multiple link mechanism according to claim 1, wherein: the device also comprises a third slide rail (6), the third slide rail (6) is connected with a third slide block (61) in a sliding way, the third slider (61) is hinged with the third output end (331).
6. A multiple link mechanism according to claim 1, wherein: the input shaft (1) is fixed with a driven gear (11).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203594 | 2018-07-27 | ||
| CN2018212035946 | 2018-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110397382A CN110397382A (en) | 2019-11-01 |
| CN110397382B true CN110397382B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910684416.2A Active CN110397382B (en) | 2018-07-27 | 2019-07-26 | A multi-link mechanism |
| CN201921201953.9U Active CN209761226U (en) | 2018-07-27 | 2019-07-26 | Multi-link mechanism |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921201953.9U Active CN209761226U (en) | 2018-07-27 | 2019-07-26 | Multi-link mechanism |
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| CN (2) | CN110397382B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397382B (en) * | 2018-07-27 | 2024-04-26 | 襄阳市思想机电科技有限公司 | A multi-link mechanism |
| CN114476348B (en) * | 2022-01-21 | 2023-06-30 | 浙江工业大学 | Storm-proof net cover device based on hydrogel characteristic |
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| CN209761226U (en) | 2019-12-10 |
| CN110397382A (en) | 2019-11-01 |
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Effective date of registration: 20251121 Address after: 315000 Zhejiang Province Ningbo City Zhenhai District Jiaochuan Street QingshuiPu Village Banlu Wang Industrial No. 1 Patentee after: NINGBO ZHENHAI TAIJING MACHINERY Co.,Ltd. Country or region after: China Address before: No. a17-1, Jiahai Industrial Park, high tech Zone, Xiangyang City, Hubei Province Patentee before: XIANGYANG SIXIANG ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Country or region before: China |