CN109227473B - Quick-release tool for bolt and nut of flange connection valve - Google Patents
Quick-release tool for bolt and nut of flange connection valve Download PDFInfo
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- CN109227473B CN109227473B CN201811449734.2A CN201811449734A CN109227473B CN 109227473 B CN109227473 B CN 109227473B CN 201811449734 A CN201811449734 A CN 201811449734A CN 109227473 B CN109227473 B CN 109227473B
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- movable buckle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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Abstract
The invention discloses a quick-dismantling tool for flange connection valve bolt and nut, which comprises a movable handle, a snap ring and a movable buckle, wherein one end of the snap ring is provided with a first clamping tooth for clamping a bolt or a nut, the other end of the snap ring is hinged with the movable handle, the movable buckle is sleeved on the snap ring and can move relative to the snap ring, one end of the movable buckle close to the first clamping tooth is provided with a second clamping tooth, the first clamping tooth and the second clamping tooth are mutually matched to clamp two sides of the bolt or the nut, the movable handle is abutted against the movable buckle when rotating to drive the movable buckle to slide relative to the snap ring to clamp the bolt or the nut, and the movable buckle slides on the snap ring and adjusts the clamping range along with the change of the rotation angle of the movable handle so as to dismantle and assemble bolts or nuts with. The quick-dismantling tool for the bolt and the nut of the flange connection valve is convenient for quickly dismantling the bolt of the flange connection valve in a narrow space.
Description
Technical Field
The invention relates to the technical field of quick-release tools, in particular to a quick-release tool for a bolt and a nut of a flange connection valve.
Background
The flange connection valve is a common device in industrial production. The assembly and disassembly are required to be repeated during maintenance and inspection. However, when the fixing screws of the flange are disassembled, the space close to the pipeline side is very narrow, and secondly, many flange connections cannot be used by using a double-head screw rod fixing ratchet sleeve type tool. Great difficulty is brought to the maintenance and installation work, and the disassembly efficiency is low.
At present, other tools have the following defects in the flange bolt dismounting process:
1. the two sides of the common adjustable spanner are wider. The rotation angle is small after clamping the screw, and the efficiency is low.
2. The two sides of the clamping end of the hook wrench are not positioned on a plane and can not clamp a thinner bolt and a thinner nut, and the hook is thicker and has a smaller rotation angle.
3. The fixed sleeve type wrench needs to be in one-to-one correspondence with the use objects, and cannot be used in a mode of crossing.
Disclosure of Invention
The invention mainly aims to provide a quick-dismantling tool for a bolt and a nut of a flange connection valve, aiming at facilitating the quick dismantling of the bolt of the flange connection valve in a narrow space.
In order to achieve the above object, the present invention provides a quick release tool for flange connection of a valve bolt and a nut, comprising a movable handle, a snap ring and a movable buckle, wherein,
the one end of snap ring is equipped with the first card tooth that is used for centre gripping bolt or nut, the other end and the movable handle of snap ring are articulated, the activity is detained and is overlapped on the snap ring and portable rather than it, the activity is detained and is equipped with the second card tooth near first card tooth one end, first card tooth and second card tooth mutually support and press from both sides the clamp tightly with bolt or nut, during the activity handle rotates with the activity knot looks butt in order to drive and slide in order to press from both sides tight bolt or nut for the snap ring, the activity is detained and is slided on the snap ring and adjust the centre gripping scope along with the corner change of activity handle, be used for the bolt or the nut of different specifications.
Preferably, the middle part of the clamping ring is provided with a through hole for the screw rod to pass through; the middle part of the clamping ring is provided with a through hole for the screw rod to pass through; one side of each of the first clamping tooth and the second clamping tooth, which is used for clamping the bolt or the nut, is of a V-shaped groove structure, and the moving track direction of the movable buckle is parallel and level to the central line of the V-shaped groove.
Preferably, the snap ring includes relative first support arm and the second support arm that sets up and connect first support arm and the first linking arm and the second linking arm at second support arm both ends respectively, and wherein, the space that first support arm, second support arm, first linking arm and second linking arm enclose forms the through-hole, first card tooth are located first linking arm, and the swing handle is articulated with the second linking arm, and the both ends of activity knot are overlapped respectively on first support arm and second support arm and can reciprocate rather than it relatively.
Preferably, the first connecting arm and one side of the first clamping tooth, which is far away from the movable handle, are arc-shaped guide surfaces.
Preferably, both sides of the first connecting arm are provided with first clamping teeth.
Preferably, the movable buckle is provided with a reversible clamping tooth for enlarging the clamping range, the reversible clamping tooth and the second clamping tooth are respectively positioned at two sides of the movable buckle, the reversible clamping tooth can rotate relative to the movable buckle, and the reversible clamping tooth is matched with the first clamping tooth to clamp the bolt or the nut when rotating downwards.
Preferably, the movable buckle is further provided with an upturning positioning piece for fixing the turnable clamping teeth, the upturning positioning piece is elastically connected with the movable positioning groove, and when the turnable clamping teeth are turned downwards, the upturning positioning piece protrudes out of the top ends of the turnable clamping teeth to position the turnable clamping teeth; when the turnable clamping teeth are turned upwards, the upturning positioning piece is accommodated in the positioning groove of the movable buckle and is abutted against the turnable clamping teeth.
Preferably, an arc-shaped surface used for guiding the movement of the movable handle is arranged on one side of the movable buckle on which the second clamping tooth is arranged.
Preferably, a limiting column used for limiting the maximum moving position of the movable handle is arranged on the arc-shaped surface.
Preferably, the movable handle is connected with the snap ring through a handle fixing pin, and the movable handle is connected with the movable buckle through a connecting elastic sheet.
When the quick-release tool for the bolt and the nut of the flange connection valve is used, one side of the tool is tightly attached to one surface of a flange, the clamping teeth clamp four surfaces of the hexagon bolt, a large space is still reserved on the pipeline side, the movable handle can be pushed rightwards for a long distance, the bolt can be rotated at a large angle, the disassembly work can be quickly completed, and the operation requirement of a narrow working space can be met. Simultaneously, this a quick detach instrument for flange joint valve bolt nut still has simple structure, realizes easily, with low costs, commonality height and the reliable operation advantage.
Drawings
FIG. 1 is a schematic structural view of a quick release tool for flange connecting a valve bolt and a nut according to the present invention;
FIG. 2 is a schematic view of a part of a quick release tool for flange connecting a valve bolt and nut according to the present invention;
FIG. 3 is a schematic structural view of the quick release tool for flange connecting valve bolts and nuts of the present invention when the quick release tool is turned over to clamp a small bolt;
FIG. 4 is a schematic structural view of the quick release tool for flange connecting valve bolts and nuts of the present invention when the reversible latch is turned upwards to clamp a large bolt;
FIG. 5 is a partial schematic structural view of another perspective of the quick release tool for flange connecting a valve bolt and nut according to the present invention;
FIG. 6 is a schematic structural view of the quick release tool for flange connecting valve bolts and nuts according to the present invention.
In the figure, 10-snap ring, 11-first snap tooth, 12-first supporting arm, 13-second supporting arm, 14-first connecting arm, 15-second connecting arm, 20-movable buckle, 21-second snap tooth, 22-reversible snap tooth, 23-upturning positioning piece, 24-limiting column, 30-movable handle, 31-handle fixing pin and 40-connecting elastic piece.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 6, in the preferred embodiment, a quick release tool for flange-connecting valve bolts and nuts comprises a movable handle 30, a snap ring 10 and a movable buckle 20, wherein,
one end of the snap ring 10 is provided with a first clamping tooth 11 for clamping a bolt or a nut, the other end of the snap ring 10 is hinged to the movable handle 30, the movable buckle 20 is sleeved on the snap ring 10 and can move relative to the snap ring, one end of the movable buckle 20 close to the first clamping tooth 11 is provided with a second clamping tooth 21, the first clamping tooth 11 and the second clamping tooth 21 are matched with each other to clamp two sides of the bolt or the nut, the movable handle 30 is abutted to the movable buckle 20 when rotating to drive the bolt or the nut to slide relative to the snap ring 10, and the movable buckle 20 slides on the snap ring 10 and adjusts a clamping range along with the change of the rotation angle of the movable handle 30 so as to disassemble and assemble bolts or nuts with different specifications in a certain range. The movable buckle 20 is located between the first clamping tooth 11 and the movable handle 30.
Through first calorie of tooth 11 and the relative setting of movable handle 30, first calorie of tooth 11 sets up thinly simultaneously and can satisfy the narrow and small operation requirement of dismantlement workspace to can obtain great dismouting rotation angle, improve dismouting efficiency. Be used for clamping bolt or nut one side to be V type groove structure on first calorie of tooth 11 and the second calorie of tooth 21, the activity is detained 20 and is moved the orbit direction and set up with V type groove central line parallel and level, sets up like this and makes this quick detach instrument maximize save space, and the both sides of snap ring 10 can set up narrowly.
Further, the middle part of the snap ring 10 is provided with a through hole for the screw rod to pass through. The through hole may be a U-shaped hole. In order to facilitate the disassembly and assembly of the longer nut of the screw rod, the screw rod penetrates through the through hole, so that the universal matching performance of the quick disassembling tool is improved.
Specifically, the snap ring 10 includes a first support arm 12 and a second support arm 13 which are oppositely disposed, and a first connecting arm 14 and a second connecting arm 15 which are respectively connected to two ends of the first support arm 12 and the second support arm 13, wherein the first support arm 12, the second support arm 13, a through hole is formed in a space enclosed by the first connecting arm 14 and the second connecting arm 15, the first clamping tooth 11 is located on the first connecting arm 14, the movable handle 30 is hinged to the second connecting arm 15, two ends of the movable buckle 20 are respectively sleeved on the first support arm 12 and the second support arm 13 and can move up and down relative to the first support arm 12 and the second support arm 13, that is, the length directions of the first support arm 12 and the second support arm 13 are flush with the moving track direction of the movable buckle 20.
Further, the first connecting arm 14 and the side of the first clamping tooth 11 away from the movable handle 30 are arc-shaped guide surfaces, so that the quick release tool is convenient for nut and bolt disassembly in narrow space.
Further, both sides of the first connecting arm 14 are provided with first clamping teeth 11. The movable buckle 20 is provided with an invertible clamping tooth 22 for enlarging the clamping range, the invertible clamping tooth 22 and the second clamping tooth 21 are respectively positioned at two sides of the movable buckle 20, the invertible clamping tooth 22 can rotate relative to the movable buckle 20, and the invertible clamping tooth 22 cooperates with the first clamping tooth 11 to clamp a bolt or a nut when rotating downwards.
When the small bolt or the small nut is disassembled, the reversible clamping teeth 22 are rotated downwards, and the bolt or the nut is clamped through the reversible clamping teeth 22 and the first clamping teeth 11 in a matched mode. When the large bolt or the large nut is disassembled, the reversible clamping teeth 22 are rotated upwards, at the moment, the reversible clamping teeth 22 are idle, and the first clamping teeth 11 and the second clamping teeth 21 are matched to clamp the bolt or the nut.
Furthermore, the movable buckle 20 is also provided with an upturning positioning piece 23 for fixing the invertible latch 22, the upturning positioning piece 23 is elastically connected with the positioning groove of the movable buckle 20, and when the invertible latch 22 is turned downwards, the upturning positioning piece 23 protrudes out of the top end of the invertible latch 22 to position the invertible latch; when the reversible tooth 22 is turned upwards, the upturning positioning piece 23 is accommodated in the positioning groove of the movable buckle 20 and is abutted against the reversible tooth 22. The upturning positioning piece 23 is arranged, so that the invertible clamping teeth 22 cannot rotate randomly during working, and the working reliability of the invertible clamping teeth is guaranteed.
Further, an arc-shaped surface for guiding the movement of the movable handle 30 is arranged on one side of the movable buckle 20 where the second clamping tooth 21 is installed. The arc-shaped surface is provided with a limiting column 24 for limiting the maximum moving position of the movable handle 30.
The movable handle 30 is connected with the snap ring 10 through a handle fixing pin 31, and the movable handle 30 is connected with the movable buckle 20 through a connecting elastic sheet 40. The connecting spring plate 40 ensures that the movable buckle 20 is opened when not clamped, and facilitates repeated adjustment of the clamping angle when the bolt and the nut are disassembled and assembled.
The quick-release tool has the following working process. When the small nut or the small bolt is disassembled, the turnable clamping teeth 22 are turned downwards, then the movable handle 30 is turned, the movable handle 30 is abutted against the arc-shaped surface of the movable buckle 20, so that the movable buckle 20 is driven to move downwards relative to the first connecting arm 14 and the second connecting arm 15, when the turnable clamping teeth 22 move to be matched with the first clamping teeth 11 to clamp the bolt or the nut, the movable handle 30 continues to be turned, and the disassembling work of the bolt or the nut is completed.
When the large bolt or the large nut is disassembled, the turnable clamping teeth 22 are rotated upwards, the movable handle 30 is rotated, the movable handle 30 is abutted to the arc-shaped surface of the movable buckle 20, so that the movable buckle 20 is driven to move downwards relative to the first connecting arm 14 and the second connecting arm 15, and when the second clamping teeth 21 move to be matched with the first clamping teeth 11 to clamp the bolt or the nut, the movable handle 30 is continuously rotated, and the disassembling work of the bolt or the nut is completed.
The quick detach instrument that is used for flange joint valve bolt nut that this embodiment provided, its instrument one side hugs closely flange one side card tooth and presss from both sides four faces of tight hexagon bolt during the use, and the pipeline side still has great space, can promote movable handle 30 by long distance right to the rotatory bolt of wide-angle accomplishes dismantlement work fast, can satisfy narrow working space's operation requirement. Simultaneously, this a quick detach instrument for flange joint valve bolt nut still has simple structure, realizes easily, with low costs, commonality height and the reliable operation advantage.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.
Claims (5)
1. A quick-release tool for flange connection of a valve bolt and a nut is characterized by comprising a movable handle, a snap ring and a movable buckle, wherein,
one end of the clamping ring is provided with a first clamping tooth for clamping a bolt or a nut, the other end of the clamping ring is hinged with the movable handle, the movable buckle is sleeved on the clamping ring and can move relative to the clamping ring, one end of the movable buckle, which is close to the first clamping tooth, is provided with a second clamping tooth, the first clamping tooth and the second clamping tooth are matched with each other to clamp two sides of the bolt or the nut, the movable handle is abutted against the movable buckle when rotating so as to drive the movable buckle to slide relative to the clamping ring to clamp the bolt or the nut, and the movable buckle slides on the clamping ring and adjusts a clamping range along with the change of the rotation angle of the movable handle so as to disassemble and assemble bolts; the middle part of the clamping ring is provided with a through hole for the screw rod to pass through; one sides of the first clamping tooth and the second clamping tooth for clamping the bolt or the nut are both in a V-shaped groove structure, and the moving track direction of the movable buckle is arranged in parallel with the central line of the V-shaped groove; the clamping ring comprises a first supporting arm and a second supporting arm which are arranged oppositely, and a first connecting arm and a second connecting arm which are connected with the two ends of the first supporting arm and the second supporting arm respectively, wherein a space enclosed by the first supporting arm, the second supporting arm, the first connecting arm and the second connecting arm forms the through hole; first clamping teeth are arranged on two sides of the first connecting arm; the movable buckle is provided with a reversible clamping tooth for enlarging the clamping range, the reversible clamping tooth and the second clamping tooth are respectively positioned at two sides of the movable buckle, the reversible clamping tooth can rotate relative to the movable buckle, and the reversible clamping tooth is matched with the first clamping tooth to clamp a bolt or a nut when rotating downwards.
2. The quick release tool for flange connecting a valve bolt and a nut as claimed in claim 1, wherein the movable buckle is further provided with an upturning positioning member for fixing the invertible latch, the upturning positioning member is elastically connected with the movable positioning groove, and when the invertible latch is turned downwards, the upturning positioning member protrudes out of the top end of the invertible latch to position the invertible latch; when the turnable clamping teeth are turned upwards, the upturning positioning piece is accommodated in the positioning groove of the movable buckle and is abutted against the turnable clamping teeth.
3. The quick release tool for flange connecting a valve bolt and a nut according to claim 1, wherein an arc surface for guiding the movement of the movable handle is provided on the side of the movable buckle on which the second clamping tooth is installed.
4. The quick release tool for the bolt and the nut of the flange connection valve as claimed in claim 3, wherein a limiting column for limiting the maximum moving position of the movable handle is arranged on the arc-shaped surface.
5. The quick release tool for flange connecting a valve bolt and a nut as claimed in any one of claims 1 to 4, wherein the movable handle is connected with the snap ring through a handle fixing pin, and the movable handle is connected with the movable buckle through a connecting elastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811449734.2A CN109227473B (en) | 2018-11-30 | 2018-11-30 | Quick-release tool for bolt and nut of flange connection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811449734.2A CN109227473B (en) | 2018-11-30 | 2018-11-30 | Quick-release tool for bolt and nut of flange connection valve |
Publications (2)
| Publication Number | Publication Date |
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| CN109227473A CN109227473A (en) | 2019-01-18 |
| CN109227473B true CN109227473B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811449734.2A Active CN109227473B (en) | 2018-11-30 | 2018-11-30 | Quick-release tool for bolt and nut of flange connection valve |
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| CN (1) | CN109227473B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454485A (en) * | 2019-08-30 | 2019-11-15 | 福建福清核电有限公司 | A kind of reaction nut of fast demountable |
| CN110702056A (en) * | 2019-11-21 | 2020-01-17 | 沈阳飞机工业（集团）有限公司 | Sensor debugging tool |
| CN112894696B (en) * | 2021-01-14 | 2024-03-12 | 中国建筑第八工程局有限公司 | Tower crane snap ring unbinding device and unbinding method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2383966B (en) * | 2002-01-12 | 2004-03-31 | Barry Paul Hartley | Flexing spanner |
| IL195779A (en) * | 2008-12-08 | 2013-06-27 | Yosi Arbel | Adjustable wrenches |
| CN202878237U (en) * | 2012-09-29 | 2013-04-17 | 浙江科博达工业有限公司 | Encircling-type filter dismounting apparatus |
| CN203993243U (en) * | 2014-06-25 | 2014-12-10 | 四川辉利达塑胶科技有限公司 | Fixture locking structure |
| CN104175279B (en) * | 2014-07-31 | 2016-11-16 | 湖北三江航天红林探控有限公司 | The manual quick pipeline connection device of clamping hoop type |
| CN205335752U (en) * | 2016-01-29 | 2016-06-22 | 广州番禺电缆集团有限公司 | A clamp for street sign indicating number |
| CN108555806A (en) * | 2018-04-17 | 2018-09-21 | 东莞市智配机电科技有限公司 | A kind of quick-fit spanner based on friction limit |
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| CN109227473A (en) | 2019-01-18 |
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Effective date of registration: 20220321 Address after: 201999 No. 3520, Tongji Road, Baoshan District, Shanghai Patentee after: Baowu equipment Intelligent Technology Co.,Ltd. Address before: 430083 No. 2 Gate in front of Factory, Qingshan District, Wuhan City, Hubei Province Patentee before: WUHAN IRON AND STEEL Co.,Ltd. |
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