CN105570414A - Crank arm assembly and power transmission self-locking mechanism using crank arm assembly - Google Patents
Crank arm assembly and power transmission self-locking mechanism using crank arm assembly Download PDFInfo
- Publication number
- CN105570414A CN105570414A CN201610078811.2A CN201610078811A CN105570414A CN 105570414 A CN105570414 A CN 105570414A CN 201610078811 A CN201610078811 A CN 201610078811A CN 105570414 A CN105570414 A CN 105570414A
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- China
- Prior art keywords
- cell wall
- connecting lever
- lever assembly
- driving groove
- shaft
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Classifications
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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
- F16H35/00—Gearings or mechanisms with other special functional features
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a crank arm assembly and a power transmission self-locking mechanism using the crank arm assembly. The power transmission self-locking mechanism comprises a guide post which can move up and down in a guiding mode. The guide post is provided with a transmission groove. The crank arm assembly is arranged inside the transmission groove and comprises a power input shaft, a connecting shaft, an installing shaft and a jacking head, wherein the connecting shaft is perpendicularly arranged on the power input shaft, and the jacking head is connected to the installing shaft through a spring and used for being in pushing fit with the upper groove wall of the transmission groove in the guide post in a sliding mode. When the crank arm assembly is located at an extending locking station, the upward force is applied to the upper groove wall of the transmission groove through the jacking head, the downward force is applied to the lower groove wall of the transmission groove through the tail end of the connecting shaft, and locking is conducted on the crank arm assembly in the extending position. When the crank arm assembly is located at a retracting locking station, the upward force is applied to the upper groove wall of the transmission groove through the jacking head, the downward force is applied to the lower groove wall of the transmission groove through the outer peripheral face of the connecting shaft, and locking is conducted on the crank arm assembly in the retracting position. According to the crank arm assembly and the power transmission self-locking mechanism using the crank arm assembly, an additional locking mechanism for locking a crank arm in the prior art is omitted, and the structure is simple.
Description
Technical field
The present invention relates to a kind of connecting lever assembly and use the transmission of power slfactuating latch of this connecting lever assembly.
Background technique
The structure with guide pillar Telescopic often can be used in some machinery; this structure generally guide pillar stretch out or shrink put in place after need to carry out locking and positioning to guide pillar; such as driven by motor electric pushrod; and motor itself does not have the locking mechanism to electric pushrod; now often need an extra locking mechanism; the position fixing process namely needing plural motion action just can complete to stretch to guide pillar and lock, cause the complex structure of this drive mechanism, operating process is loaded down with trivial details.
Summary of the invention
For solving deficiency of the prior art, the object of the present invention is to provide a kind of solve in prior art due to guide pillar stretches out or shrink put in place after also need extra locking mechanism to carry out locking and cause baroque transmission of power slfactuating latch, the present invention also aims to provide the connecting lever assembly used in this transmission of power slfactuating latch a kind of simultaneously.
A kind of connecting lever assembly of the present invention adopts following technological scheme: a kind of connecting lever assembly, comprise power input shaft that axis extends along the longitudinal direction and head end to be connected with power input shaft and perpendicular to the coupling shaft of power input shaft, also comprise head end to be connected with coupling shaft, the installation shaft that endways tilt to extend, installation shaft is vertical with power input shaft to be arranged, installation shaft is connected with top by Compress Spring, connecting lever assembly rotate counterclockwise in process have for make guide pillar be limited in extended position stretching out locking position and make guide pillar be limited in retracted position retraction locking position, connecting lever assembly is in connection the tip of the axis when stretching out locking position and coordinates with the lower cell wall slip pushing tow of the driving groove on guide pillar, top coordinates with the upper cell wall slip pushing tow of driving groove, connecting lever assembly is coordinated with lower cell wall slip pushing tow by the outer circumferential face stretching out locking position and rotate counterclockwise coupling shaft to locking position process of retracting, top coordinates with the upper cell wall slip pushing tow of driving groove.
Described connecting lever assembly be in stretch out locking position time, coupling shaft is in vertical state, driving groove have coordinate with the outer circumferential face limit block of coupling shaft to carry out spacing left cell wall to connecting lever assembly.
Groove width between the length of described coupling shaft and the upper and lower cell wall of driving groove is identical.
Described connection the tip of the axis and top are globoidal structure, with ensure to connect the tip of the axis and driving groove lower cell wall, come directly towards and be slip pushing tow with the upper cell wall of driving groove and coordinate.
A kind of transmission of power slfactuating latch of the present invention adopts following technological scheme: a kind of transmission of power slfactuating latch, comprise the guide pillar be assemblied in for upper and lower guiding movement on base, guide pillar is provided with on having, the driving groove of lower cell wall, connecting lever assembly is provided with in driving groove, described connecting lever assembly comprises power input shaft that axis extends along the longitudinal direction and head end and to be connected with power input shaft and perpendicular to the coupling shaft of power input shaft, also comprise head end to be connected with coupling shaft, the installation shaft that endways tilt to extend, installation shaft is vertical with power input shaft to be arranged, installation shaft is connected with top by Compress Spring, connecting lever assembly rotate counterclockwise in process have for make guide pillar be limited in extended position stretching out locking position and make guide pillar be limited in retracted position retraction locking position, connecting lever assembly is in connection the tip of the axis when stretching out locking position and coordinates with the lower cell wall slip pushing tow of the driving groove on guide pillar, top coordinates with the upper cell wall slip pushing tow of driving groove, connecting lever assembly is coordinated with lower cell wall slip pushing tow by the outer circumferential face stretching out locking position and rotate counterclockwise coupling shaft to locking position process of retracting, top coordinates with the upper cell wall slip pushing tow of driving groove.
Described connecting lever assembly be in stretch out locking position time, coupling shaft is in vertical state, driving groove have coordinate with the outer circumferential face limit block of coupling shaft to carry out spacing left cell wall to connecting lever assembly.
Groove width between the length of described coupling shaft and the upper and lower cell wall of driving groove is identical.
Described connection the tip of the axis and top are globoidal structure, with ensure to connect the tip of the axis and driving groove lower cell wall, come directly towards and be slip pushing tow with the upper cell wall of driving groove and coordinate.
Described coupling shaft is also provided with for connecting lever assembly being rotated the running shaft be assemblied on base.
The bottom land of the driving groove on described guide pillar is provided with the elongated hole that the length of passing for running shaft extends along the vertical direction.
Beneficial effect of the present invention is: installation shaft is connected with the top for coordinating with the upper cell wall slip pushing tow of the driving groove on guide pillar by Compress Spring, when to power input shaft input anti-clockwise torque, top pushing tow guide pillar retraction base, when connecting lever assembly be in stretch out locking station time, by top to upper cell wall applying power upwards, connect the tip of the axis and downward power is applied to lower cell wall, connecting lever assembly is carried out to the locking at extended position place; When connecting lever assembly is in retraction locking station, by top to upper cell wall applying power upwards, the outer circumferential face of coupling shaft applies downward power to lower cell wall, connecting lever assembly is carried out to the locking at retracted position place.Guide pillar achieves self-locking while power transmission power, and eliminate in prior art and need extra locking mechanism to lock connecting lever, structure is simple.
Accompanying drawing explanation
Fig. 1 is that in an embodiment of a kind of transmission of power slfactuating latch of the present invention, guide pillar is in structural representation when stretching out state;
Fig. 2 is the structural representation of guide pillar when being in retracted mode;
Fig. 3 is the structural representation of connecting lever;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of guide pillar;
Fig. 6 is the sectional view of Fig. 5 at A-A place;
Fig. 7 is the structural representation of base;
Fig. 8 is the worm's eye view of Fig. 7;
Fig. 9 is the sectional view of Fig. 7 at B-B place;
Figure 10 is the structural representation of cover plate.
Embodiment
A kind of transmission of power slfactuating latch of the present invention, as shown in Figure 1, comprise base 1, guide pillar 2, connecting lever assembly 3 and cover plate 19, base 1 as Figure 7-9, base 1 is provided with there is a left side, the chute 15 of right cell wall, guide pillar about 2 guiding movement is assemblied in chute 15, guide pillar 5 comprises the guide rod part 2-1 for exporting linearly operating downwards as seen in figs. 5-6 and is fixedly arranged on the targeting part 2-2 coordinated with chute 15 guiding movement of guide rod part 2-1 upper end, targeting part 2-2 is provided with on having, the driving groove 11 of lower cell wall, connecting lever assembly 3 is provided with in driving groove 11, connecting lever assembly 3 as shown in Figure 3-4, comprise the power input shaft 7 for extending along the longitudinal direction to the axis of connecting lever assembly 3 input torque, head end is connected with power input shaft 7 and coupling shaft 6 perpendicular to power input shaft 7 is connected with coupling shaft 6 with head end, the installation shaft 8 that endways tilt to extend, installation shaft 8 is vertical with power input shaft 7 to be arranged, installation shaft 8 is connected with the top 4 for coordinating with the upper cell wall slip pushing tow of driving groove 11 by Compress Spring 5, top 4 is bulb-shaped structure, Compress Spring 5 one end is connected to one end of installation shaft 8, the other end of Compress Spring 5 is connected on top 4, connecting lever assembly rotate counterclockwise in process have for make guide pillar 2 be limited in extended position stretching out locking position and make guide pillar 2 be limited in retracted position retraction locking position, connecting lever assembly is in the end of coupling shaft 6 when stretching out locking position and coordinates with the lower cell wall slip pushing tow of the driving groove 11 on guide pillar, top 4 coordinates with the upper cell wall slip pushing tow of driving groove 11, connecting lever assembly is coordinated with lower cell wall slip pushing tow by the outer circumferential face stretching out locking position and rotate counterclockwise coupling shaft 6 to locking position process of retracting, top 4 coordinates with the upper cell wall slip pushing tow of driving groove.When connecting lever assembly 3 is in and stretches out locking position, coupling shaft 6 is in vertical state, driving groove 11 have coordinate with the outer circumferential face limit block of coupling shaft 6 to carry out spacing left cell wall to connecting lever assembly 3, in the present embodiment, the left cell wall of driving groove 11 is the left cell wall of the chute 15 of base 1.The end of coupling shaft 6 and top 4 are globoidal structure, with ensure the end of coupling shaft 6 and driving groove 11 lower cell wall, come directly towards 4 and be slip pushing tow with the upper cell wall of driving groove 11 and coordinate.
Connecting lever assembly 3 also comprise be coaxially set with power input shaft 7 for connecting lever assembly 3 being rotated the running shaft 9 be assemblied on base 1, running shaft 9 and power input shaft 7 are distributed in the both sides, front and back of coupling shaft, the bottom land of the chute 15 of base 1 is provided with the mounting hole 12 rotating assembling for running shaft 9, connecting lever assembly 3 is rotated by running shaft 9 and is assemblied on base 1, the bottom land of the driving groove 11 on the targeting part 2-2 of guide pillar 2 is provided with the elongated hole 10 passed for running shaft 9 that length extends along the vertical direction, guide pillar 2 can guiding movement up and down by elongated hole 10.
The groove width of driving groove 11 is equal with the length of coupling shaft 6, when connecting lever assembly 3 be in stretch out locking station and retract locking station time, top 4 and the distance between the point of contact of upper cell wall and coupling shaft 6 end are greater than groove width.When guide pillar 2 be in stretch out locking station time, as shown in Figure 1, coupling shaft 6 is in vertical state, upper respectively with driving groove 11 of the two ends up and down of coupling shaft 6, lower cell wall contact, top 4 contacts with the upper cell wall of driving groove 11, now pass through top 4 to upper cell wall applying power upwards, the end of coupling shaft 6 applies downward power to lower cell wall, connecting lever assembly 3 is carried out to the locking at extended position place, when applying anticlockwise moment of torsion on power input shaft 7, connecting lever assembly 3 is rotated counterclockwise around running shaft 9, Compress Spring 5 is in compressive state, guide pillar 2 moves upward and is retracted in base 1, when distance between the point of contact and the lower end of coupling shaft 6 of the upper cell wall of top 4 and driving groove 11 equals the groove width of driving groove 11, now Compress Spring 5 is in compression,metal-to-metal position, when connecting lever assembly 3 is rotated counterclockwise further, Compress Spring 5 is in and is returned to form to equilibrium position by compression,metal-to-metal position, when coupling shaft 6 is in level, guide pillar 2 is in locking station of retracting, now pass through top 4 to upper cell wall applying power upwards, the outer circumferential face of coupling shaft 6 applies downward power to lower cell wall, connecting lever assembly 3 is carried out to the locking at retracted position place, now remove the moment of torsion inputted to power input shaft 7, guide pillar 2 also can not stretch out downwards automatically.Guide pillar 2 achieves self-locking while transferring power, and eliminate in prior art and need extra locking mechanism to lock connecting lever, structure is simple.
Base 1 is provided with the cover plate 19 for capping chute 15, base 1 is provided with for the first positioning hole 13 with cover plate 19 location fit, locating stud is provided with in first positioning hole 13, cover plate 19 is provided with second positioning hole 16 corresponding with the first positioning hole 13, on base 1 and cover plate 19, correspondence is provided with for bolted first attachment hole 14 and the second attachment hole 17.In the present embodiment, base 1 is guide pad, and base also can be a part for apparatus body in other embodiments.
In other embodiments of the invention, the length of coupling shaft also can be less than the groove width of driving groove, now will ensure that the lower end of coupling shaft coordinates with lower cell wall slip pushing tow; Connecting lever assembly also can not arrange running shaft; Power input shaft and running shaft also can disalignment be arranged; Base also can not arrange cover plate.
A kind of embodiment of connecting lever assembly is identical with the embodiment of the connecting lever assembly in each embodiment of above-mentioned a kind of transmission of power slfactuating latch, repeats no more herein.
Claims (10)
1. a connecting lever assembly, it is characterized in that: comprise power input shaft that axis extends along the longitudinal direction and head end and to be connected with power input shaft and perpendicular to the coupling shaft of power input shaft, also comprise head end to be connected with coupling shaft, the installation shaft that endways tilt to extend, installation shaft is vertical with power input shaft to be arranged, installation shaft is connected with top by Compress Spring, connecting lever assembly rotate counterclockwise in process have for make guide pillar be limited in extended position stretching out locking position and make guide pillar be limited in retracted position retraction locking position, connecting lever assembly is in connection the tip of the axis when stretching out locking position and coordinates with the lower cell wall slip pushing tow of the driving groove on guide pillar, top coordinates with the upper cell wall slip pushing tow of driving groove, connecting lever assembly is coordinated with lower cell wall slip pushing tow by the outer circumferential face stretching out locking position and rotate counterclockwise coupling shaft to locking position process of retracting, top coordinates with the upper cell wall slip pushing tow of driving groove.
2. a kind of connecting lever assembly according to claim 1, it is characterized in that: when described connecting lever assembly is in and stretches out locking position, coupling shaft is in vertical state, driving groove have coordinate with the outer circumferential face limit block of coupling shaft to carry out spacing left cell wall to connecting lever assembly.
3. a kind of connecting lever assembly according to claim 2, is characterized in that: the groove width between the length of described coupling shaft and the upper and lower cell wall of driving groove is identical.
4. a kind of connecting lever assembly according to claim 1-3, is characterized in that: described connection the tip of the axis and top are globoidal structure, with ensure to connect the tip of the axis and driving groove lower cell wall, come directly towards and be slip pushing tow with the upper cell wall of driving groove and coordinate.
5. a transmission of power slfactuating latch, it is characterized in that: comprise the guide pillar be assemblied in for upper and lower guiding movement on base, guide pillar is provided with on having, the driving groove of lower cell wall, connecting lever assembly is provided with in driving groove, described connecting lever assembly comprises power input shaft that axis extends along the longitudinal direction and head end and to be connected with power input shaft and perpendicular to the coupling shaft of power input shaft, also comprise head end to be connected with coupling shaft, the installation shaft that endways tilt to extend, installation shaft is vertical with power input shaft to be arranged, installation shaft is connected with top by Compress Spring, connecting lever assembly rotate counterclockwise in process have for make guide pillar be limited in extended position stretching out locking position and make guide pillar be limited in retracted position retraction locking position, connecting lever assembly is in connection the tip of the axis when stretching out locking position and coordinates with the lower cell wall slip pushing tow of the driving groove on guide pillar, top coordinates with the upper cell wall slip pushing tow of driving groove, connecting lever assembly is coordinated with lower cell wall slip pushing tow by the outer circumferential face stretching out locking position and rotate counterclockwise coupling shaft to locking position process of retracting, top coordinates with the upper cell wall slip pushing tow of driving groove.
6. a kind of transmission of power slfactuating latch according to claim 5, it is characterized in that: when described connecting lever assembly is in and stretches out locking position, coupling shaft is in vertical state, driving groove have coordinate with the outer circumferential face limit block of coupling shaft to carry out spacing left cell wall to connecting lever assembly.
7. a kind of transmission of power slfactuating latch according to claim 6, is characterized in that: the groove width between the length of described coupling shaft and the upper and lower cell wall of driving groove is identical.
8. a kind of transmission of power slfactuating latch according to any one of claim 5-7, it is characterized in that: described connection the tip of the axis and top are globoidal structure, with ensure to connect the tip of the axis and driving groove lower cell wall, come directly towards and be slip pushing tow with the upper cell wall of driving groove and coordinate.
9. a kind of transmission of power slfactuating latch according to claim 5, is characterized in that: described coupling shaft is also provided with for connecting lever assembly being rotated the running shaft be assemblied on base.
10. a kind of transmission of power slfactuating latch according to claim 9, is characterized in that: the bottom land of the driving groove on described guide pillar is provided with the elongated hole that the length of passing for running shaft extends along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078811.2A CN105570414B (en) | 2016-02-04 | 2016-02-04 | A kind of connecting lever component and the power transmission slfactuating latch using the connecting lever component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078811.2A CN105570414B (en) | 2016-02-04 | 2016-02-04 | A kind of connecting lever component and the power transmission slfactuating latch using the connecting lever component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105570414A true CN105570414A (en) | 2016-05-11 |
| CN105570414B CN105570414B (en) | 2018-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610078811.2A Active CN105570414B (en) | 2016-02-04 | 2016-02-04 | A kind of connecting lever component and the power transmission slfactuating latch using the connecting lever component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105570414B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088860A (en) * | 2017-06-13 | 2017-08-25 | 长兴宝诺纺织科技有限公司 | A kind of placement rail that the roller that spins can be positioned |
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| CN2935427Y (en) * | 2006-08-14 | 2007-08-15 | 河南森源电气股份有限公司 | Self-locking mechanism of rotary switch |
| US20080308393A1 (en) * | 2007-06-14 | 2008-12-18 | Eaton Electric B.V. | Electrical switch with positive status indication |
| CN101770888A (en) * | 2009-01-05 | 2010-07-07 | 浙宝电气(杭州)集团有限公司 | Spring operating device of high-voltage load switch |
| CN203536276U (en) * | 2013-10-21 | 2014-04-09 | 苏州科陆东自电气有限公司 | Hand-operated switch-on device |
| CN104517754A (en) * | 2014-12-19 | 2015-04-15 | 江苏大全凯帆电器股份有限公司 | Pressurizing mechanism |
-
2016
- 2016-02-04 CN CN201610078811.2A patent/CN105570414B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE761466C (en) * | ||||
| CN2935427Y (en) * | 2006-08-14 | 2007-08-15 | 河南森源电气股份有限公司 | Self-locking mechanism of rotary switch |
| US20080308393A1 (en) * | 2007-06-14 | 2008-12-18 | Eaton Electric B.V. | Electrical switch with positive status indication |
| CN101770888A (en) * | 2009-01-05 | 2010-07-07 | 浙宝电气(杭州)集团有限公司 | Spring operating device of high-voltage load switch |
| CN203536276U (en) * | 2013-10-21 | 2014-04-09 | 苏州科陆东自电气有限公司 | Hand-operated switch-on device |
| CN104517754A (en) * | 2014-12-19 | 2015-04-15 | 江苏大全凯帆电器股份有限公司 | Pressurizing mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088860A (en) * | 2017-06-13 | 2017-08-25 | 长兴宝诺纺织科技有限公司 | A kind of placement rail that the roller that spins can be positioned |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105570414B (en) | 2018-07-20 |
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