CN102994714A - Safety hook - Google Patents
Safety hook Download PDFInfo
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- CN102994714A CN102994714A CN2011102774944A CN201110277494A CN102994714A CN 102994714 A CN102994714 A CN 102994714A CN 2011102774944 A CN2011102774944 A CN 2011102774944A CN 201110277494 A CN201110277494 A CN 201110277494A CN 102994714 A CN102994714 A CN 102994714A
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- arm
- elastic component
- arms
- guide pillar
- stop block
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Abstract
The invention discloses a safety hook which comprises a first arm, a second arm, a third arm, a supporting column and an elastic piece, wherein the lower end of the first arm is pivoted with one end of the second arm; a transverse stopper is arranged on the third arm; the lower side surface of the other end of the second arm is stopped on the transverse stopper of the third arm; two ends of the elastic piece are respectively and fixedly connected with the first arm and the third arm; the supporting column is parallel to the elastic piece and is positioned between the first arm and the third arm, so that the elastic piece is kept in an elastic deformation state; the elastic piece has a restoration trend which can enable the stopper on the third arm to be separated from the lower side surface of the second arm; the supporting column is made of a combustible material; the elastic piece is made of a non-combustible material; and an import part which is made of the combustible material and can enable a workpiece to immerse in quenching oil because of ineffectiveness of the second arm due to combustion is arranged on the hook. When the workpiece is on an oil surface and can not move to cause the combustion of the quenching oil, the supporting column is combusted and damaged, so that the workpiece drops in the oil, the immediate temperature of the oil is reduced, the combustion is stopped, the fire danger is eliminated, and a fire-extinguishing safety function is realized.
Description
Technical field
The suspension hook of using when the present invention relates to a kind of metal heat treatmet quenching, particularly a kind of safety hook.
Background technology
At present, when metal heat treatmet was quenched, moment oil surface temperature rising can cause burning when workpiece contact hardening oil, under normal circumstances, workpiece can very fast immersion oil in, oil surface temperature lowers very soon, burning stops.Can initiation fire on the pasta but can be suspended in such as situation workpiece such as unexpected outages because of various reasons under the deadly condition.
Summary of the invention
In order to remedy above deficiency, the invention provides a kind of safety hook, this safety hook is simple in structure, when workpiece decline abnormal causes the quenching oil burning its workpiece that can get loose, prevent from causing fire.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of safety hook, comprise first, two, three arms, pillar stiffener and elastic component, take actual user to as benchmark, the first arm lower end and the second arm one end articulate, the 3rd arm is provided with a horizontal stop block, the second arm the other end downside backstop is on the horizontal stop block of the 3rd arm, the elastic component two ends are respectively with first, three arms are fixedly connected with, pillar stiffener is parallel to elastic component and is positioned first, between three arms and make elastic component keep elastic deformation, described elastic component has the recovery trend that the stop block that makes the 3rd arm breaks away from the second arm downside, pillar stiffener is that inflammable material is made, elastic component is made for combustible matl not, during use, workpiece is hung on the second arm, under the supporting role of pillar stiffener, second, three arms keep stable backstop state, after pillar stiffener touches flame, can blaze up and very fast burning totally, the anchorage force that elastic component loses pillar stiffener just restores automatically, elastic component just breaks away from the downside of the second arm the other end with the stop block of the 3rd arm, the support meeting that the second arm the other end loses the 3rd arm under the self gravitation effect around articulating central rotation, cause workpiece to be slipped in the quenching oil, the quenching oil surface temperature lowers very soon, and burning namely stops.
As a further improvement on the present invention, described elastic component has the structure that the stop block that makes the 3rd arm breaks away from the recovery trend of the second arm lower surface: first, three arms upper end articulates, the sidewall of the 3rd arm is provided with a through hole, pillar stiffener comprises cushion block and the guide pillar that an inflammable material is made, guide pillar one end and the first arm are connected, the guide pillar the other end passes through hole and the cushion block of the 3rd arm successively, the end wall backstop of the guide pillar the other end is in the cushion block outer side wall, the elastic component two ends are respectively with first, three arm opposite sides connect and elasticity presses closer first, three arm two opposite sides, stop block is positioned at the 3rd arm lower end towards a side of the first arm, this kind structure is that cushion block heads on the 3rd arm all the time near the first arm, namely second, three arms keep stable backstop state, after inflammable cushion block is met the fire burning, elastic component restores elongation, the 3rd arm lower end just swings away from the second arm around the drive-connecting shaft with the first arm, then the second arm breaks away from the stop block of the 3rd arm, the second arm rotates around drive-connecting shaft under the self gravitation effect, and this moment, workpiece dropped in the groove quenching oil.
As a further improvement on the present invention, described elastic component is stage clip and is sheathed on the guide pillar outside.
As a further improvement on the present invention, described elastic component has the structure that the stop block that makes the 3rd arm breaks away from the recovery trend of the second arm lower surface: first, three arms upper end is hinged, the sidewall of the 3rd arm is provided with a through hole, pillar stiffener comprises cushion block and the guide pillar that an inflammable material is made, guide pillar one end and the first arm are connected, the guide pillar the other end passes the through hole of cushion block and the 3rd arm successively, the end wall backstop of the guide pillar the other end is in the 3rd arm outside, the elastic component two ends are respectively with first, three arm opposite sides connect and elasticity strains at first, three arm two opposite sides, stop block is positioned at a dorsad side of the first arm of the 3rd arm lower end, this kind structure is that cushion block heads on the 3rd arm all the time away from the first arm, namely second, three arms keep stable backstop state, after inflammable cushion block is met the fire burning, elastic component restores and shrinks, the 3rd arm lower end just swings near the second arm around the drive-connecting shaft with the first arm, then the second arm breaks away from the stop block of the 3rd arm, the second arm rotates around drive-connecting shaft under the self gravitation effect, and this moment, workpiece dropped in the groove quenching oil.
As a further improvement on the present invention, described elastic component is extension spring and is sheathed on the guide pillar outside.
As a further improvement on the present invention, described elastic component has the structure that the stop block that makes the 3rd arm breaks away from the recovery trend of the second arm lower surface: the inverted L shape structure of the first arm for being connected and being formed by a transverse arm and a trailing arm, elasticity part upper end is connected with the transverse arm of the first arm upper end, elastic component lower end and the 3rd arm are connected and strain at the 3rd arm, the pillar stiffener that inflammable material (plastic material is better) rotation is made presses closer in first, between three arms, stop block on the 3rd arm is positioned at the 3rd arm towards a side of the second arm, this kind structure is that pillar stiffener heads on the 3rd arm all the time away from the transverse arm of the first arm, namely second, three arms keep stable backstop state, after inflammable pillar stiffener is met the fire burning, elastic component restores and shrinks, the 3rd arm just moves upward final under elastic component drives and breaks away from the second arm, the second arm rotates around drive-connecting shaft under the self gravitation effect, and this moment, workpiece dropped in the groove quenching oil.
As a further improvement on the present invention, described elastic component is extension spring and is sheathed on the pillar stiffener outside.
Useful technique effect of the present invention is: the present invention utilizes the characteristic of the easy damage of inflammable material, on suspension hook, make with inflammable material and can determine that the second arm damage inefficacy and cause fall down strength member in the dip quench oil of workpiece on the second arm owing to burning, thereby when workpiece can not move the burning of initiation quenching oil on pasta, can determine that the inflammable part that the second arm lost efficacy immerses in the oil owing to the burning damage causes workpiece to drop, at once the temperature of oil reduces, burning has also just stopped, thereby eliminated the danger of fire, played the fire-fighting safety effect.
Description of drawings
Fig. 1 is the first structural principle synoptic diagram of the present invention;
Fig. 2 is the second structural principle synoptic diagram of the present invention;
Fig. 3 is the third structural principle synoptic diagram of the present invention.
Embodiment
Embodiment: a kind of safety hook, comprise first, two, three arms 1,2,3, pillar stiffener 4 and elastic component 5, take actual user to as benchmark, the first arm 1 lower end and the second arm 2 one ends articulate, the 3rd arm 3 is provided with a horizontal stop block, the second arm 2 the other end downside backstops are on the horizontal stop block of the 3rd arm 3, elastic component 5 two ends are respectively with first, three arms 1,3 are fixedly connected with, pillar stiffener 4 is parallel to elastic component 5 and is positioned first, three arms 1, between 3 and make elastic component 5 keep elastic deformation, described elastic component 5 has the recovery trend that the stop block that makes the 3rd arm 3 breaks away from the second arm 2 downsides, pillar stiffener 4 is made (plastic material is better) for inflammable material, elastic component 5 is made for combustible matl not, during use, workpiece is hung on the second arm 2, under the supporting role of pillar stiffener 4, second, three arms keep stable backstop state, after pillar stiffener 4 touches flame, can blaze up and very fast burning totally, the anchorage force that elastic component 5 loses pillar stiffener 4 just restores automatically, elastic component 5 just breaks away from the downside of the second arm 2 the other ends with the stop block of the 3rd arm 3, the support meeting that the second arm 2 the other ends lose the 3rd arm 3 under the self gravitation effect around articulating central rotation, cause workpiece to be slipped in the quenching oil, the quenching oil surface temperature lowers very soon, and burning namely stops.
Described elastic component 5 has the structure that the stop block that makes the 3rd arm 3 breaks away from the recovery trend of the second arm 2 lower surfaces: first, three arms 1,3 upper ends articulate, the sidewall of the 3rd arm 3 is provided with a through hole, pillar stiffener 4 comprises cushion block 41 and the guide pillar 42 that an inflammable material is made, guide pillar 42 1 ends and the first arm 1 are connected, guide pillar 42 the other ends pass through hole and the cushion block 41 of the 3rd arm 3 successively, the end wall backstop of guide pillar 42 the other ends is in cushion block 41 outer side walls, elastic component 5 two ends are respectively with first, three arms 1,3 opposite sides connect and elasticity presses closer first, three arms 1,3 two opposite sides, stop block is positioned at the 3rd arm 3 lower ends towards a side of the first arm 1, this kind structure is that cushion block 41 heads on the 3rd arm 3 all the time near the first arm 1, namely second, three arms keep stable backstop state, after inflammable cushion block 41 is met the fire burning, elastic component 5 restores elongation, the 3rd arm 3 lower ends just swing away from the second arm 2 around the drive-connecting shaft with the first arm 1, then the second arm 2 breaks away from the stop block of the 3rd arm 3, the second arm 2 rotates around drive-connecting shaft under the self gravitation effect, and this moment, workpiece dropped in the groove quenching oil.
Described elastic component 5 is for stage clip and be sheathed on guide pillar 42 outsides.
Described elastic component 5 has the structure that the stop block that makes the 3rd arm 3 breaks away from the recovery trend of the second arm 2 lower surfaces: first, three arms 1,3 upper ends are hinged, the sidewall of the 3rd arm 3 is provided with a through hole, pillar stiffener 4 comprises cushion block 41 and the guide pillar 42 that an inflammable material is made, guide pillar 42 1 ends and the first arm 1 are connected, guide pillar 42 the other ends pass the through hole of cushion block 41 and the 3rd arm 3 successively, the end wall backstop of guide pillar 42 the other ends is in the 3rd arm 3 outsides, elastic component 5 two ends are respectively with first, three arms 1,3 opposite sides connect and elasticity strains at first, three arms 1,3 two opposite sides, stop block is positioned at a dorsad side of the first arm 1 of the 3rd arm 3 lower ends, this kind structure is that cushion block 41 heads on the 3rd arm 3 all the time away from the first arm 1, namely second, three arms keep stable backstop state, after inflammable cushion block 41 is met the fire burning, elastic component 5 restores and shrinks, the 3rd arm 3 lower ends just swing near the second arm 2 around the drive-connecting shaft with the first arm 1, then the second arm 2 breaks away from the stop block of the 3rd arm 3, the second arm 2 rotates around drive-connecting shaft under the self gravitation effect, and this moment, workpiece dropped in the groove quenching oil.
Described elastic component 5 is for extension spring and be sheathed on guide pillar 42 outsides.
Described elastic component 5 has the structure that the stop block that makes the 3rd arm 3 breaks away from the recovery trend of the second arm 2 lower surfaces: the inverted L shape structure of the first arm 1 for being connected and being formed by a transverse arm and a trailing arm, elasticity part upper end is connected with the transverse arm of the first arm 1 upper end, elastic component 5 lower ends and the 3rd arm 3 are connected and strain at the 3rd arm 3, the pillar stiffener 4 that inflammable material (plastic material is better) rotation is made presses closer in first, three arms 1, between 3, stop block on the 3rd arm 3 is positioned at the 3rd arm 3 towards a side of the second arm 2, this kind structure is that pillar stiffener 4 heads on the 3rd arm 3 all the time away from the transverse arm of the first arm 1, namely second, three arms keep stable backstop state, after inflammable pillar stiffener 4 is met the fire burning, elastic component 5 restores and shrinks, the 3rd arm 3 just moves upward final under elastic component 5 drives and breaks away from the second arm 2, the second arm 2 rotates around drive-connecting shaft under the self gravitation effect, and this moment, workpiece dropped in the groove quenching oil.
Described elastic component 5 is for extension spring and be sheathed on pillar stiffener 4 outsides.
Claims (7)
1. safety hook, it is characterized by: comprise first, two, three arms (1,2,3), pillar stiffener (4) and elastic component (5), take actual user to as benchmark, the first arm (1) lower end and the second arm (2) one ends articulate, the 3rd arm (3) is provided with a horizontal stop block, the second arm (2) the other end downside backstop is on the horizontal stop block of the 3rd arm (3), elastic component (5) two ends are respectively with first, three arms (1,3) be fixedly connected with, pillar stiffener (4) is parallel to elastic component (5) and is positioned first, three arms (1,3) between and make elastic component (5) keep elastic deformation, described elastic component (5) has the recovery trend that the stop block that makes the 3rd arm (3) breaks away from the second arm (2) downside, pillar stiffener (4) is made for inflammable material, and elastic component (5) is made for combustible matl not.
2. safety hook according to claim 1, it is characterized by: described elastic component (5) has the structure that the stop block that makes the 3rd arm (3) breaks away from the recovery trend of the second arm (2) lower surface and is: first, three arms (1,3) upper end articulates, the sidewall of the 3rd arm (3) is provided with a through hole, pillar stiffener (4) comprises cushion block (41) and the guide pillar (42) that an inflammable material is made, guide pillar (42) one ends and the first arm (1) are connected, guide pillar (42) the other end passes through hole and the cushion block (41) of the 3rd arm (3) successively, the end wall backstop of guide pillar (42) the other end is in cushion block (41) outer side wall, elastic component (5) two ends are respectively with first, three arms (1,3) opposite side connection and elasticity press closer first, three arms (1,3) two opposite sides, stop block are positioned at the 3rd arm (3) lower end towards a side of the first arm (1).
3. safety hook according to claim 2 is characterized by: described elastic component (5) is for stage clip and be sheathed on guide pillar (42) outside.
4. safety hook according to claim 1, it is characterized by: described elastic component (5) has the structure that the stop block that makes the 3rd arm (3) breaks away from the recovery trend of the second arm (2) lower surface and is: first, three arms (1,3) upper end is hinged, the sidewall of the 3rd arm (3) is provided with a through hole, pillar stiffener (4) comprises cushion block (41) and the guide pillar (42) that an inflammable material is made, guide pillar (42) one ends and the first arm (1) are connected, guide pillar (42) the other end passes the through hole of cushion block (41) and the 3rd arm (3) successively, the end wall backstop of guide pillar (42) the other end is in the 3rd arm (3) outside, elastic component (5) two ends are respectively with first, three arms (1,3) opposite side connection and elasticity strain at first, three arms (1,3) two opposite sides, stop block are positioned at a dorsad side of the first arm (1) of the 3rd arm (3) lower end.
5. safety hook according to claim 4 is characterized by: described elastic component (5) is for extension spring and be sheathed on guide pillar (42) outside.
6. safety hook according to claim 1, it is characterized by: described elastic component (5) has the structure that the stop block that makes the 3rd arm (3) breaks away from the recovery trend of the second arm (2) lower surface and is: the inverted L shape structure of the first arm (1) for being connected and being formed by a transverse arm and a trailing arm, elasticity part upper end is connected with the transverse arm of the first arm (1) upper end, elastic component (5) lower end and the 3rd arm (3) are connected and strain at the 3rd arm (3), the pillar stiffener (4) that the inflammable material rotation is made presses closer in first, three arms (1,3) between, the stop block on the 3rd arm (3) is positioned at the 3rd arm (3) towards a side of the second arm (2).
7. safety hook according to claim 6 is characterized by: described elastic component (5) is for extension spring and be sheathed on pillar stiffener (4) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110277494.4A CN102994714B (en) | 2011-09-19 | 2011-09-19 | Safety hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110277494.4A CN102994714B (en) | 2011-09-19 | 2011-09-19 | Safety hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102994714A true CN102994714A (en) | 2013-03-27 |
| CN102994714B CN102994714B (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110277494.4A Active CN102994714B (en) | 2011-09-19 | 2011-09-19 | Safety hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102994714B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347322Y (en) * | 2009-01-09 | 2009-11-18 | 洪荣德 | Safe hook |
| CN101704468A (en) * | 2009-09-28 | 2010-05-12 | 侯马市模范机械制造有限公司 | Safety lifting hook and manufacturing method thereof |
| CN202246753U (en) * | 2011-09-19 | 2012-05-30 | 昆山鑫昌泰模具科技有限公司 | Safety hook |
-
2011
- 2011-09-19 CN CN201110277494.4A patent/CN102994714B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347322Y (en) * | 2009-01-09 | 2009-11-18 | 洪荣德 | Safe hook |
| CN101704468A (en) * | 2009-09-28 | 2010-05-12 | 侯马市模范机械制造有限公司 | Safety lifting hook and manufacturing method thereof |
| CN202246753U (en) * | 2011-09-19 | 2012-05-30 | 昆山鑫昌泰模具科技有限公司 | Safety hook |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102994714B (en) | 2014-06-25 |
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