CN109707794B - Chain tensioning device - Google Patents
Chain tensioning device Download PDFInfo
- Publication number
- CN109707794B CN109707794B CN201811533649.4A CN201811533649A CN109707794B CN 109707794 B CN109707794 B CN 109707794B CN 201811533649 A CN201811533649 A CN 201811533649A CN 109707794 B CN109707794 B CN 109707794B
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- chain
- connecting block
- handle
- tightening
- boss
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Abstract
The invention relates to the technical field of chain tensioning, in particular to a chain tensioning device. The device comprises a hook (1), a connecting piece (2), a clamping handle (3), a connecting arm (4), a connecting block (5) and a limiting block (6). The chain tensioning device integrates chain tensioning in a simple device, reduces cost, has high reliability and realizes quick tensioning of the chain. The device is simple, firm, high in reliability and convenient to use, and is not limited by external conditions.
Description
Technical Field
The invention relates to the technical field of chain tensioning, in particular to a chain tensioning device.
Background
In the aspect of chain tensioning, many structural forms exist at home and abroad, and a direct binding form is generally adopted, so that the chain is easy to loosen and loosen, and the chain is easy to block after being stressed, and even if the chain is provided with a hook, the chain cannot be tensioned due to the fact that the effective length of the chain cannot be adjusted. This brings inconvenience to practical use and is easily restricted by external conditions.
Disclosure of Invention
The purpose of the invention is:
the invention provides a chain tensioning device for tensioning a chain, which is suitable for rapidly tensioning the chain.
The technical scheme of the invention is as follows:
a chain tensioning device comprises a hook (1), a connecting piece (2), a clamping handle (3), a connecting arm (4), a connecting block (5) and a limiting block (6). Wherein, the hook (1) is fixedly connected at the left end of the connecting piece (2), the front and the back of the connecting piece (2) are respectively cut off to form an approximate ellipsoid, the upper and the lower arc surfaces of the connecting piece (2) are processed with screw threads, the tightening handle (3) is a ring body, the inner side of the ring of the tightening handle (3) is provided with screw threads, the connecting piece (2) is connected with the screw threads, the outer side of the ring of the tightening handle (3) is provided with 4 blind holes which are tightening holes, when the tightening handle (3) is not screwed by hands, a round bar-shaped metal body can be inserted into the tightening holes to further tighten the chain in a force arm increasing mode, the connecting arm (4) is an arc-shaped body, the left end is outwards provided with a boss, 2 connecting arms (4) pass through the tightening handle (3) to be attached to the front and back surfaces of the connecting piece (2), the boss of the connecting arm (4) is close to the left end of the tightening handle (3), 2 limiting blocks (6) are respectively installed on the surfaces of 2 connecting arms, the connecting arm (4) is limited from sliding back and forth in the clamping handle (3). 2 linking arm (4) right-hand member rigid coupling is on the left end face of connecting block (5), connecting block (5) are the rectangular block, respectively be equipped with a boss around the right half, the boss respectively opens from a left side right direction around connecting block (5) has a rectangle blind hole, rectangle blind hole right-hand member is the arc, the boss is middle around connecting block (5) respectively opens from a left side right direction has a rectangular channel and passes the rectangle blind hole, a rectangular channel is left to rectangle blind hole rear surface, open the rectangular channel that has the fore-and-aft direction in the middle of the boss left end around connecting block (5), connecting block (5) fore-and-aft direction rectangular channel is the same with the left-and-right direction rectangular channel width, and communicate with each other with the rectangle blind hole, shape symmetry.
The invention has the beneficial effects that:
the chain tensioning device integrates chain tensioning in a simple device, reduces cost, has high reliability and realizes quick tensioning of the chain. The device is simple, firm, high in reliability and convenient to use, and is not limited by external conditions.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view a-a of fig. 1.
Fig. 3 is a top view of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in figures 1, 2 and 3, the chain tensioning device comprises a hook (1), a connecting piece (2), a clamping handle (3), a connecting arm (4), a connecting block (5) and a limiting block (6). Wherein, the hook (1) is fixedly connected at the left end of the connecting piece (2), the front and the back of the connecting piece (2) are respectively cut off to form an approximate ellipsoid, the upper and the lower arc surfaces of the connecting piece (2) are processed with screw threads, the tightening handle (3) is a ring body, the inner side of the ring of the tightening handle (3) is provided with screw threads, the connecting piece (2) is connected with the screw threads, the outer side of the ring of the tightening handle (3) is provided with 4 blind holes which are tightening holes, when the tightening handle (3) is not screwed by hands, a round bar-shaped metal body can be inserted into the tightening holes to further tighten the chain in a force arm increasing mode, the connecting arm (4) is an arc-shaped body, the left end is outwards provided with a boss, 2 connecting arms (4) pass through the tightening handle (3) to be attached to the front and back surfaces of the connecting piece (2), the boss of the connecting arm (4) is close to the left end of the tightening handle (3), 2 limiting blocks (6) are respectively installed on the surfaces of 2 connecting arms, the connecting arm (4) is limited from sliding back and forth in the clamping handle (3). 2 linking arm (4) right-hand member rigid coupling is on the left end face of connecting block (5), connecting block (5) are the rectangular block, respectively be equipped with a boss around the right half, the boss respectively opens from a left side right direction around connecting block (5) has a rectangle blind hole, rectangle blind hole right-hand member is the arc, the boss is middle around connecting block (5) respectively opens from a left side right direction has a rectangular channel and passes the rectangle blind hole, a rectangular channel is left to rectangle blind hole rear surface, open the rectangular channel that has the fore-and-aft direction in the middle of the boss left end around connecting block (5), connecting block (5) fore-and-aft direction rectangular channel is the same with the left-and-right direction rectangular channel width, and communicate with each other with the rectangle blind hole, shape symmetry.
During the use, hang the couple on the mooring joint on ground earlier, the connecting piece right-hand member is twisted to taut handle, put into the rectangular channel behind the connecting block with chain one end again, pass the equipment that needs to be taut with the chain, then put into the rectangular channel in front of the connecting block with corresponding chain ring behind the adjustment chain effective length, begin to screw up taut handle, when the manual tight handle (3) of tightening of twisting, can adopt the round bar form metal body to insert in the hole of tightening and further strain the chain through increasing the arm of force mode, when the chain is taut to needs to be relieved, only need to accomplish according to above-mentioned method reverse operation. The device can be fixed at any ring position of the chain to adapt to different effective lengths in practical use, and the chain can be connected and tensioned at any position quickly. Small volume and convenient use.
Claims (6)
1. A chain tensioning device is characterized by comprising a hook (1), a connecting piece (2), a clamping handle (3), a connecting arm (4), a connecting block (5) and a limiting block (6); wherein, the hook (1) is fixedly connected at the left end of the connecting piece (2), the front and the back of the connecting piece (2) are respectively cut off to form an approximate ellipsoid, the upper and the lower arc surfaces of the connecting piece (2) are processed with screw threads, the tightening handle (3) is a ring body, the inner side of the ring of the tightening handle (3) is provided with screw threads, the connecting piece (2) is connected with the screw threads, the outer side of the ring of the tightening handle (3) is provided with 4 blind holes which are tightening holes, when the tightening handle (3) is not screwed by hands, a round bar-shaped metal body can be inserted into the tightening holes to further tighten the chain in a force arm increasing mode, the connecting arm (4) is an arc-shaped body, the left end is outwards provided with a boss, 2 connecting arms (4) pass through the tightening handle (3) to be attached to the front and back surfaces of the connecting piece (2), the boss of the connecting arm (4) is close to the left end of the tightening handle (3), 2 limiting blocks (6) are respectively installed on the surfaces of 2 connecting arms, the connecting arm (4) is limited from sliding back and forth in the clamping handle (3); 2 linking arm (4) right-hand member rigid coupling is on the left end face of connecting block (5), connecting block (5) are the rectangular block, respectively be equipped with a boss around the right half, the boss has respectively opened a rectangle blind hole from a left side right direction around connecting block (5), rectangle blind hole right-hand member is the arc, respectively open from a left side right direction around connecting block (5) in the middle of the boss has a rectangular channel and passes the rectangle blind hole, a rectangular channel is left at rectangle blind hole rear surface, open the rectangular channel that has the fore-and-aft direction in the middle of the boss left end around connecting block (5).
2. A chain tensioner according to claim 1, characterized in that the connecting block (5) has a rectangular groove in the front-rear direction of the same width as the rectangular groove in the left-right direction and communicates with the rectangular blind hole, and the connecting block (5) has a symmetrical front-rear shape.
3. A chain tensioner as claimed in claim 2, wherein in use, the hook is first hung from the ground anchor and the tensioning handle is screwed to the right end of the link.
4. A chain tensioner according to claim 3, wherein the tightening of the tensioning handle is initiated by placing one end of the chain in a rectangular slot behind the connecting block, passing the chain through the device to be tensioned, and then adjusting the effective length of the chain to place the corresponding chain loop in a rectangular slot in front of the connecting block.
5. A chain tensioner according to claim 4, wherein the tightening handle is manually tightened to tighten the chain.
6. The chain tensioner as set forth in claim 4, wherein the chain is further tensioned by increasing the moment arm by inserting the round bar-shaped metal body into the tensioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533649.4A CN109707794B (en) | 2018-12-14 | 2018-12-14 | Chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533649.4A CN109707794B (en) | 2018-12-14 | 2018-12-14 | Chain tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109707794A CN109707794A (en) | 2019-05-03 |
| CN109707794B true CN109707794B (en) | 2021-02-09 |
Family
ID=66256455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811533649.4A Active CN109707794B (en) | 2018-12-14 | 2018-12-14 | Chain tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109707794B (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE644334A (en) * | 1963-03-09 | 1964-06-15 | ||
| GB1268370A (en) * | 1968-12-23 | 1972-03-29 | Herbert Morris Brown Lenox Ltd | Chain or cable tensioning devices |
| US3980275A (en) * | 1972-02-22 | 1976-09-14 | Sanchez Anastacio V | Cable tensioning apparatus |
| JPS5597546A (en) * | 1978-12-23 | 1980-07-24 | Erlau Ag Eisen Drahtwerk | Tensioning device especialy for binding chain |
| GB1578684A (en) * | 1978-05-24 | 1980-11-05 | Spanset Inter Ag | Load securement |
| WO1989003786A1 (en) * | 1987-10-27 | 1989-05-05 | Brupat Limited | Tensioning device |
| WO2005080131A1 (en) * | 2004-02-19 | 2005-09-01 | Matthews International Pty. Ltd. | Tensioner |
| DE102008011769A1 (en) * | 2008-02-28 | 2009-09-10 | Freigeber, Jürgen | Turnbuckle i.e. ratchet load clamp, for tensioning of lashing chain or belt to lash-down cargo on vehicle, has locking sleeve movable along tube, and springs attached to sleeve and pressing sleeve in direction of fastening element |
| CN201605086U (en) * | 2010-03-24 | 2010-10-13 | 刘健 | Synchronous turnbuckle |
| CN102221067A (en) * | 2010-04-15 | 2011-10-19 | 路德链条里格及荻茨联合有限公司 | Tension device for chains |
| CN102529617A (en) * | 2010-12-23 | 2012-07-04 | 埃尔劳股份有限公司 | Check plate for tensioning tyre chains |
| CN103470692A (en) * | 2012-06-06 | 2013-12-25 | 天津市宝洪源机械制造有限公司 | Tensioning device capable of rapidly adjusting tightness of chain |
| CN203413052U (en) * | 2013-07-08 | 2014-01-29 | 昆山吉海实业公司 | Opening type chain tightening device |
| CN103671776A (en) * | 2013-12-12 | 2014-03-26 | 王忠利 | Chain tension device |
| CN203977930U (en) * | 2014-07-02 | 2014-12-03 | 青岛茂源金属集团有限公司 | In multi-storied garage, there is the hull of chain tightening structure |
| CN104709494A (en) * | 2015-03-18 | 2015-06-17 | 浙江双友物流器械股份有限公司 | Chain type tensioner |
| CN204755745U (en) * | 2015-06-19 | 2015-11-11 | 青岛茂源金属集团有限公司 | Novel inserted chain jib device |
| CN205780651U (en) * | 2016-07-01 | 2016-12-07 | 朱东华 | Row chain tensioner on a kind of tobacco cutting machine |
| CN205978307U (en) * | 2016-08-03 | 2017-02-22 | 陕西正通煤业有限责任公司 | Chain tightener |
| CN107110267A (en) * | 2014-10-30 | 2017-08-29 | 朴钟馥 | Autonomous type hydraulic telescopic device |
| CN207064572U (en) * | 2017-06-05 | 2018-03-02 | 中山市力士邦机械有限公司 | A kind of quick joint for tightening chain |
| EP3395743A1 (en) * | 2017-04-25 | 2018-10-31 | pewag austria GmbH | Contraction device for a link chain |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8602468B2 (en) * | 2012-03-27 | 2013-12-10 | Gregory Kutsen | Apparatus for coupling to a chain |
-
2018
- 2018-12-14 CN CN201811533649.4A patent/CN109707794B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE644334A (en) * | 1963-03-09 | 1964-06-15 | ||
| GB1268370A (en) * | 1968-12-23 | 1972-03-29 | Herbert Morris Brown Lenox Ltd | Chain or cable tensioning devices |
| US3980275A (en) * | 1972-02-22 | 1976-09-14 | Sanchez Anastacio V | Cable tensioning apparatus |
| GB1578684A (en) * | 1978-05-24 | 1980-11-05 | Spanset Inter Ag | Load securement |
| JPS5597546A (en) * | 1978-12-23 | 1980-07-24 | Erlau Ag Eisen Drahtwerk | Tensioning device especialy for binding chain |
| WO1989003786A1 (en) * | 1987-10-27 | 1989-05-05 | Brupat Limited | Tensioning device |
| WO2005080131A1 (en) * | 2004-02-19 | 2005-09-01 | Matthews International Pty. Ltd. | Tensioner |
| DE102008011769A1 (en) * | 2008-02-28 | 2009-09-10 | Freigeber, Jürgen | Turnbuckle i.e. ratchet load clamp, for tensioning of lashing chain or belt to lash-down cargo on vehicle, has locking sleeve movable along tube, and springs attached to sleeve and pressing sleeve in direction of fastening element |
| CN201605086U (en) * | 2010-03-24 | 2010-10-13 | 刘健 | Synchronous turnbuckle |
| CN102221067A (en) * | 2010-04-15 | 2011-10-19 | 路德链条里格及荻茨联合有限公司 | Tension device for chains |
| CN102529617A (en) * | 2010-12-23 | 2012-07-04 | 埃尔劳股份有限公司 | Check plate for tensioning tyre chains |
| CN103470692A (en) * | 2012-06-06 | 2013-12-25 | 天津市宝洪源机械制造有限公司 | Tensioning device capable of rapidly adjusting tightness of chain |
| CN203413052U (en) * | 2013-07-08 | 2014-01-29 | 昆山吉海实业公司 | Opening type chain tightening device |
| CN103671776A (en) * | 2013-12-12 | 2014-03-26 | 王忠利 | Chain tension device |
| CN203977930U (en) * | 2014-07-02 | 2014-12-03 | 青岛茂源金属集团有限公司 | In multi-storied garage, there is the hull of chain tightening structure |
| CN107110267A (en) * | 2014-10-30 | 2017-08-29 | 朴钟馥 | Autonomous type hydraulic telescopic device |
| CN104709494A (en) * | 2015-03-18 | 2015-06-17 | 浙江双友物流器械股份有限公司 | Chain type tensioner |
| CN204755745U (en) * | 2015-06-19 | 2015-11-11 | 青岛茂源金属集团有限公司 | Novel inserted chain jib device |
| CN205780651U (en) * | 2016-07-01 | 2016-12-07 | 朱东华 | Row chain tensioner on a kind of tobacco cutting machine |
| CN205978307U (en) * | 2016-08-03 | 2017-02-22 | 陕西正通煤业有限责任公司 | Chain tightener |
| EP3395743A1 (en) * | 2017-04-25 | 2018-10-31 | pewag austria GmbH | Contraction device for a link chain |
| CN207064572U (en) * | 2017-06-05 | 2018-03-02 | 中山市力士邦机械有限公司 | A kind of quick joint for tightening chain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109707794A (en) | 2019-05-03 |
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