CN108167310B - Automatic unlocking hook and using method thereof - Google Patents
Automatic unlocking hook and using method thereof Download PDFInfo
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- CN108167310B CN108167310B CN201711411851.5A CN201711411851A CN108167310B CN 108167310 B CN108167310 B CN 108167310B CN 201711411851 A CN201711411851 A CN 201711411851A CN 108167310 B CN108167310 B CN 108167310B
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- pin
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B45/00—Hooks; Eyes
- F16B45/02—Hooks with pivoting or elastically bending closing member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses an automatic unlocking hook and a using method thereof, wherein the automatic unlocking hook comprises a hook main body, the hook main body comprises two curved parts and an installation part, a gap is formed between the two curved parts, and the installation part is connected below the two curved parts; the upper ends of the two curved parts are connected with a movable hook through a rotating shaft, one end of the movable hook is a blocking part, the blocking part penetrates through a gap between the two curved parts and extends into a mechanism mounting groove in the middle of the mounting part, the other end of the movable hook is a hook part, the hook part and the blocking part are arranged oppositely, the end part of the hook part is arranged above a stop block, and the stop block is arranged at the position where the mounting part is connected with the two curved parts; wherein an elastic push-pull structure is arranged in the mechanism mounting groove. The hook can be automatically opened after the load of the hook is removed, and the existing requirements are met.
Description
Technical Field
The invention belongs to the technical field of mechanical structures; in particular to an automatic unlocking hook and a using method thereof.
Background
The hook that uses at present all can realize locking the couple under the condition of atress and non-atress state, need open through artifical supplementary under the non-atress state.
The hook has some special requirements at present, and due to the special use conditions, namely the hook can be in a closed state in an initial state through manual assistance, and can also be in a closed state in a stressed state; after the force value born by the hook is unloaded, the hook is automatically clamped.
Disclosure of Invention
The invention provides an automatic unlocking hook and a using method thereof; the hook can be automatically opened after the load of the hook is removed, and the existing requirements are met.
The technical scheme of the invention is as follows: an automatic unlocking hook comprises a hook body, wherein the hook body comprises two curved parts and an installation part, a gap is formed between the two curved parts, and the installation part is connected below the two curved parts; the upper ends of the two curved parts are connected with a movable hook through a rotating shaft, one end of the movable hook is a blocking part, the blocking part penetrates through a gap between the two curved parts and extends into a mechanism mounting groove in the middle of the mounting part, the other end of the movable hook is a hook part, the hook part and the blocking part are arranged oppositely, a stop block is arranged at the position where the mounting part is connected with the two curved parts, and the end part of the hook part is arranged above the stop block; wherein the mechanism mounting groove is internally provided with an elastic push-pull structure; the elastic push-pull structure comprises a cross pin shaft capable of moving up and down, the cross pin shaft comprises a transverse pin and a longitudinal pin, the transverse pin is blocked in front of the end face of the blocking part, the upper end of the longitudinal pin is contacted with the stop block, and the lower end of the longitudinal pin is movably connected with one end of a crank; the middle part of the crank is fixed on the back plate of the mounting part through a middle pin shaft, the other end of the crank is movably connected with a connecting rod, the lower end of the connecting rod is connected with a pull rod, a compression spring is sleeved on the pull rod, and a sleeve is sleeved outside the pull rod; the sleeve is connected with an auxiliary locking pin, the upper end of the auxiliary locking pin penetrates through a baffle fixed on the side plate of the mounting part to be connected, a groove is formed in the end face of the top of the auxiliary locking pin and matched with the bottom surface of the transverse pin, and a locking spring sleeved on the auxiliary locking pin is arranged between the auxiliary locking pin and the baffle; the auxiliary locking pin is also provided with a positioning hole, and a positioning pin capable of being inserted or pulled out is inserted into the positioning hole.
Furthermore, the invention is characterized in that:
the locating pin penetrates through the side plate of the mounting portion and then is inserted into the locating hole, the locating pin is sleeved with the return spring, and the return spring is sleeved on the inner side portion, located on the side plate of the mounting portion, of the locating pin.
The two ends of the transverse pin are respectively inserted into guide grooves formed in the two side plates of the mounting portion, the guide grooves are waist-shaped holes, and the transverse pin can move up and down in the height range of the waist-shaped holes.
The auxiliary locking pin is also provided with an auxiliary guide groove, the auxiliary guide groove is a waist-shaped hole, a guide pin is inserted into the auxiliary guide groove, and the guide pin is fixed on the mounting part back plate; and the auxiliary locking pin can move up and down within the height range of the auxiliary guide groove.
The invention also adopts the technical scheme that the using method of the automatic unlocking hook comprises a hook locking method and a hook automatic disengaging method; wherein
The hook locking method comprises the following steps: when the movable hook 1 is connected with an upper load, the auxiliary locking pin 9 moves upwards to align the positioning hole 12 with the positioning pin 24, the positioning pin (24) is inserted into the positioning hole (12), the locking spring (10) is compressed at the moment, the transverse pin (5) is positioned at the lowest end of the guide groove (4), the transverse pin (5) is positioned below the blocking part (28), the positioning pin (24) is inserted into the positioning hole (12), and the auxiliary locking pin (9) compresses the locking spring (10); the positioning pin (24) is pulled out of the positioning hole (12), the auxiliary locking pin (9) pushes the cross pin (7) to move upwards, meanwhile, the transverse pin (5) moves to the upper end of the guide groove (4), and the transverse pin (5) is blocked in front of the blocking part (28);
the automatic hook disengaging method comprises the following steps: when the load at the end of the movable hook 1 is eliminated, the unlocking spring (6) pushes the cross pin (7) downwards, the transverse pin (5) moves downwards and moves to the position below the blocking part (28), and therefore the movable hook (1) rotates around the rotating shaft (2) under the action of gravity, and automatic disengagement is achieved.
Compared with the prior art, the invention has the beneficial effects that: the hook main body is connected with the movable hook through a rotating shaft, the movable hook can rotate around the main shaft, and the movable hook is matched with the hook body to complete locking connection load; the elastic push-pull structure is arranged in the mechanism mounting groove, the cross pin shaft can stably block the blocking part, the movable hook cannot rotate, the locking connection of the automatic unlocking hook is achieved, the cross pin shaft can move upwards through the auxiliary locking pin, and meanwhile the crank and the connecting rod which are connected with the cross pin shaft can directly pull the cross pin shaft to move downwards, so that the cross pin can move downwards to the position below the blocking part, and the automatic unlocking hook can be opened.
Furthermore, the positioning pin is pushed to the positioning hole or pulled out of the positioning hole through the return spring on the positioning pin, and the return spring can return the positioning pin, so that the next push-pull is facilitated.
Furthermore, the top end face of the auxiliary locking pin is provided with a groove matched with the transverse pin, and the auxiliary locking pin can be in close contact with the transverse pin through the groove matched with the transverse pin in the upward moving process, so that deviation cannot occur in the upward moving process.
Furthermore, the transverse pin moves up and down through the guide grooves formed in the two side plates, and the cross pin shaft is installed on the installation part.
Furthermore, the waist-shaped hole type positioning hole and the guide pin matched with the waist-shaped hole type positioning hole can realize the vertical movement of the auxiliary locking pin, play a role in moving and guiding the auxiliary locking pin, and ensure that the auxiliary locking pin can move up and down along a vertical track.
The invention also has the following beneficial effects: the load is connected with the automatic unlocking hook by a hook locking method, the auxiliary locking pin pushes the cross pin shaft to move upwards by operating the positioning pin, and the cross pin is blocked in front of the blocking part to lock the hook, so that the connection of the load is completed; when the load of the automatic unlocking hook is removed, the sleeve is pulled by pulling the pull rod before the pull force received by the pull rod disappears, the sleeve is pulled downwards after the compression spring is compressed by the sleeve, and the sleeve drives the auxiliary locking pin to move downwards, so that the positioning pin is inserted into the positioning hole; when the auxiliary locking pin does not have upward thrust to the cross pin shaft, the unlocking spring pushes the cross pin shaft downwards, the transverse pin moves downwards in the guide groove, and therefore the transverse pin reaches the position below the blocking portion, the movable hook rotates under the action of gravity, and the automatic unlocking hook is disengaged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention.
In the figure: 1 is a movable hook; 2 is a rotating shaft; 3 is a hook main body; 4 is a guide groove; 5 is a transverse pin; 6 is an unlocking spring; 7 is a cross pin shaft; 8 is a longitudinal pin; 9 is an auxiliary locking pin; 10 is a locking spring; 11 is a baffle plate; 12 is a positioning hole; 13 is an auxiliary guide groove; 14 is a guide pin; 15 is a mechanism mounting groove; 16 is a left pin shaft; 17 is a crank; 18 is a middle pin shaft; 19 is a right pin shaft; 20 is a connecting rod; 21 is a sleeve; 22 is a compression spring; 23 is a pull rod; 24 is a positioning pin; 25 is a return spring; 26 is a guide hole; 27 is a hook part; and 28 is a stopper.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
The invention provides an automatic unlocking hook, which comprises a hook main body 3, wherein the hook main body 3 is connected with a movable hook 1 through a rotating shaft 2; the hook comprises a hook body 3 and a hook body, wherein the hook body comprises two curved parts arranged in parallel and an installation part connected below the curved parts, a mechanism installation groove 15 is arranged in the middle of the installation part, the top ends of the two curved parts are provided with rotating shafts 2, and the rotating shafts 2 are connected with a movable hook 1; one end of the movable hook 1 is a blocking part 28, the blocking part 28 penetrates through the space between the two bent parts, the end part of the blocking part 28 extends downwards into the mechanism mounting groove 15, the preferable end part of the blocking part 28 is provided with a vertical surface, the other end of the movable hook 1 is a hook part 27, the hook part 27 and the blocking part 28 are symmetrically arranged, the end part of the hook part 27 is arranged on a stop block of the mounting part, and the stop block is arranged above the mechanism mounting groove 15; wherein activity couple 1 can rotate around pivot 2, and when hook 27 rotated, hook 27 and the dog distance and the angle on the installation department all increased, was the open mode this moment, can hang the load in activity couple 1.
As shown in fig. 1, an elastic push-pull mechanism is arranged in the mechanism mounting groove 15; the specific elastic push-pull mechanism comprises a cross pin shaft 7 capable of moving up and down, the cross pin shaft 7 comprises a transverse pin 5 and a longitudinal pin 8, wherein two ends of the transverse pin 5 are inserted into guide grooves 4 symmetrically arranged on two side plates of the mounting part; the longitudinal pin 8 and the transverse pin 5 are vertically arranged, the top end of the longitudinal pin 8 is arranged below a stop block on the mounting plate, the bottom end of the longitudinal pin 8 is movably connected with one end of a crank 17 through a left pin shaft 16, a middle pin shaft 18 is arranged in the middle of the crank 17, the middle pin shaft 18 is fixed on a back plate of the mounting plate, the other end of the crank 17 is movably connected with a connecting rod 20 through a right pin shaft 19, and two ends of the crank 17 can rotate around the middle pin shaft 18; the bottom end of the connecting rod 20 is connected with a pull rod 23, a sleeve 21 is sleeved outside the connecting part of the pull rod 23 and the connecting rod 20, a compression spring 22 is arranged in the sleeve 21, the compression spring 22 is sleeved on the pull rod 23, and the pull rod 23 penetrates out of the bottom of the mounting part; the sleeve 21 is also connected with an auxiliary locking pin 9; wherein the bottom end of the auxiliary locking pin 9 is connected to the sleeve 21, and the top end of the auxiliary locking pin 9 is propped against the lower part of the transverse pin 5; an auxiliary guide groove 13 is formed in the auxiliary locking pin 9, a guide pin 14 is arranged in the auxiliary guide groove 13, and the guide pin 14 is fixed on the back plate of the mounting part; the auxiliary locking pin 9 is also provided with a positioning hole 12, and a positioning pin 24 is movably inserted into the positioning hole 12; the auxiliary locking pin 9 also passes through a guide hole 26 on the baffle plate 11, a locking spring 10 is sleeved on the auxiliary locking pin 9, and the locking spring 10 is arranged between the baffle plate 11 and the end part of the auxiliary locking pin 9.
Preferably, the two symmetrically arranged guide grooves 4 are both kidney-shaped, two ends of the transverse pin 5 are respectively inserted into the two guide grooves 4, and the transverse pin 5 can move up and down in the guide grooves 4.
Preferably, the end surface of the top of the auxiliary locking pin 9 is provided with a groove, and the groove is matched with the transverse pin 5.
Preferably, as shown in fig. 2, a return spring 25 is sleeved on the positioning pin 24, and the return spring 25 is clamped on the inner wall of the side plate of the mounting plate.
The invention also provides a using method of the automatic unlocking hook, which comprises a hook locking method and a hook automatic disengaging method.
The hook locking method comprises the following steps: firstly, the hook is in a locking state, namely the positioning pin 24 is inserted into the positioning hole 12, at the moment, the auxiliary locking pin 9 jacks up the cross pin shaft 7 under the elastic force of the locking spring 10, the unlocking spring 6 on the longitudinal pin 8 is compressed, the guide pin 14 is positioned at the lowest part of the auxiliary guide groove 13, the transverse pin 5 moves to the uppermost part of the guide groove 4, at the moment, the transverse pin 5 is blocked in front of the vertical surface of the blocking part 28, the end part of the hook part 27 is positioned right above the blocking part on the mounting part, and the movable hook 1 cannot rotate around the rotating shaft 2. At this time, the positioning pin 24 is pulled out of the positioning hole 12, the auxiliary locking pin 9 moves downwards under the action of the contraction of the locking spring 10, the guide pin 14 is positioned at the uppermost part of the auxiliary guide groove 13 at this time, the compressed unlocking spring 6 is expanded, the cross pin 7 moves downwards under the action of the unlocking spring 6, the cross pin 5 moves to the lowermost part of the guide groove 4, and the cross pin 5 is positioned below the vertical surface of the stopping part 28, so that the movable hook 1 can rotate around the rotating shaft 2; after the movable hook 1 is connected with an upper load, the compression spring 22 is compressed by pushing the pull rod 23 upwards, so that the sleeve 21 is pushed upwards, the auxiliary locking pin 9 is driven to move upwards, the positioning hole 12 is aligned with the positioning pin 24, then the guide pin 24 is inserted into the positioning hole 12, and at the moment, the automatic unlocking hook is in the locking state.
The automatic hook disengaging method comprises the following steps: when the automatic unlocking hook is connected with a load, the inverted automatic unlocking hook is in a normal connection state as shown in the structure shown in figure 1, the movable hook 1 faces downwards, and the pull rod 23 faces upwards; when the load is connected, the end of the movable hook 1 and the end of the pull rod 23 have two pull forces with the same magnitude and opposite directions. When the load at the end of the movable hook 1 is removed, namely the pulling force on the pull rod 23 is relieved, the unlocking spring 6 pushes the cross pin shaft 7 at the moment, the cross pin 5 is moved to the other end of the guide groove 4, the cross pin 5 is moved to the position above the vertical surface of the blocking part 28, and therefore the hook part 27 of the movable hook 1 enables the movable hook 1 to rotate around the rotating shaft 2 under the action of gravity, and automatic disengagement of the movable hook is achieved.
Claims (4)
1. An automatic unlocking hook is characterized by comprising a hook main body (3), wherein the hook main body (3) comprises two curved parts and an installation part, a gap is formed between the two curved parts, and the installation part is connected below the two curved parts; the upper ends of the two curved parts are connected with a movable hook (1) through a rotating shaft (2), one end of the movable hook (1) is a blocking part (28), the blocking part (28) penetrates through a gap between the two curved parts and extends into a mechanism mounting groove (15) in the middle of the mounting part, the other end of the movable hook (1) is a hook part (27), the hook part (27) and the blocking part (28) are oppositely arranged, a stop block is arranged at the position where the mounting part is connected with the two curved parts, and the end part of the hook part (27) is arranged above the stop block;
an elastic push-pull structure is arranged in the mechanism mounting groove (15); the elastic push-pull structure comprises a cross pin shaft (7) capable of moving up and down, the cross pin shaft (7) comprises a transverse pin (5) and a longitudinal pin (8), the transverse pin (5) is blocked in front of the end face of the blocking part (28), the upper end of the longitudinal pin (8) is in contact with the stop block, and the lower end of the longitudinal pin is movably connected with one end of a crank (17); the middle part of the crank (17) is fixed on the back plate of the mounting part through a middle pin shaft (18), the other end of the crank (17) is movably connected with a connecting rod (20), the lower end of the connecting rod (20) is connected with a pull rod (23), a compression spring (22) is sleeved on the pull rod (23), and a sleeve (21) is sleeved outside the pull rod (23); an auxiliary locking pin (9) is connected to the sleeve (21), the upper end of the auxiliary locking pin (9) penetrates through a baffle (11) fixed on a side plate of the mounting part, a groove is formed in the end face of the top of the auxiliary locking pin (9), the groove is matched with the bottom surface of the transverse pin (5), and a locking spring (10) sleeved on the auxiliary locking pin (9) is arranged between the auxiliary locking pin (9) and the baffle (11); the auxiliary locking pin (9) is also provided with a positioning hole (12), and a positioning pin (24) capable of being inserted or pulled out is inserted into the positioning hole (12);
when the load is connected, the end of the movable hook (1) and the end of the pull rod (23) have two pull forces with the same magnitude and opposite directions;
the locating pin (24) passes through the side plate of the mounting part and then is inserted into the locating hole (12), a return spring (25) is sleeved on the locating pin (24), and the return spring (25) is sleeved on the inner side part, located on the side plate of the mounting part, of the locating pin (24).
2. The automatic unlocking hook according to claim 1, wherein both ends of the cross pin (5) are respectively inserted into guide grooves (4) formed in both side plates of the mounting portion, the guide grooves (4) are kidney-shaped holes, and the cross pin (5) can move up and down within the height range of the kidney-shaped holes (4).
3. The automatic unlocking hook according to claim 2, wherein the auxiliary locking pin (9) is further provided with an auxiliary guide groove (13), the auxiliary guide groove (13) is a kidney-shaped hole, a guide pin (14) is inserted into the auxiliary guide groove (13), and the guide pin (14) is fixed on the mounting part backboard; and the auxiliary locking pin (9) can move up and down within the height range of the auxiliary guide groove (13).
4. A method of using the automatic unlocking hanger according to claim 3, characterized by comprising a hanger locking method and a hanger automatic releasing method;
the hook locking method comprises the following steps: when the movable hook (1) is connected with an upper load, the auxiliary locking pin (9) moves upwards to enable the positioning hole (12) to be aligned with the positioning pin (24), the positioning pin (24) is inserted into the positioning hole (12), the locking spring (10) is compressed, the transverse pin (5) is located at the lowest end of the guide groove (4), the transverse pin (5) is located below the blocking part (28), the positioning pin (24) is inserted into the positioning hole (12), and the auxiliary locking pin (9) compresses the locking spring (10); the positioning pin (24) is pulled out of the positioning hole (12), the auxiliary locking pin (9) pushes the cross pin (7) to move upwards, meanwhile, the transverse pin (5) moves to the upper end of the guide groove (4), and the transverse pin (5) is blocked in front of the blocking part (28);
the automatic hook disengaging method comprises the following steps: when the load at the end of the movable hook (1) is eliminated, the unlocking spring (6) pushes the cross pin (7) downwards, the transverse pin (5) moves downwards and moves to the position below the blocking part (28), and therefore the movable hook (1) rotates around the rotating shaft (2) under the action of gravity, and automatic disengagement is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411851.5A CN108167310B (en) | 2017-12-23 | 2017-12-23 | Automatic unlocking hook and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411851.5A CN108167310B (en) | 2017-12-23 | 2017-12-23 | Automatic unlocking hook and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108167310A CN108167310A (en) | 2018-06-15 |
| CN108167310B true CN108167310B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711411851.5A Active CN108167310B (en) | 2017-12-23 | 2017-12-23 | Automatic unlocking hook and using method thereof |
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| Country | Link |
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| CN (1) | CN108167310B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539911B (en) * | 2020-12-03 | 2023-03-10 | 北京强度环境研究所 | Load applying-unhooking test device in wing body thermal separation process |
| TWI757008B (en) * | 2020-12-24 | 2022-03-01 | 三陽工業股份有限公司 | Hook structure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5018254A (en) * | 1990-08-03 | 1991-05-28 | Christer Brodin | Tug release connector |
| SE507623C3 (en) * | 1992-02-18 | 1998-08-10 | Wiklund Henry & Co | Lifting hook with safety lock and possibility for automatic load release |
| JPH0673058U (en) * | 1993-03-31 | 1994-10-11 | 合名会社佐久間製鎖所 | Hook device that is automatically detached by external operation |
| CN100482565C (en) * | 2006-10-10 | 2009-04-29 | 青岛港（集团）有限公司 | Automatic-disengagement hook |
| CN102996609B (en) * | 2011-09-15 | 2015-03-18 | 绩懋精工股份有限公司 | Enhanced type safety hook |
| CN202451582U (en) * | 2011-12-12 | 2012-09-26 | 祥兴(福建)箱包集团有限公司 | Novel fastener of bag belts |
| US9707419B2 (en) * | 2014-10-08 | 2017-07-18 | D B Industries, Llc | Snap hook |
| CN105438917B (en) * | 2015-12-30 | 2017-11-10 | 西安建筑科技大学 | A kind of rope connects automatic fastening |
| CN206694388U (en) * | 2017-03-21 | 2017-12-01 | 国网福建省电力有限公司 | Suspension hook for standardized freight cableway single-wheel list rope freight trolley |
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2017
- 2017-12-23 CN CN201711411851.5A patent/CN108167310B/en active Active
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| CN108167310A (en) | 2018-06-15 |
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