CN112936183B - Rapid short pipe dismounting tool - Google Patents
Rapid short pipe dismounting tool Download PDFInfo
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- CN112936183B CN112936183B CN202110370427.0A CN202110370427A CN112936183B CN 112936183 B CN112936183 B CN 112936183B CN 202110370427 A CN202110370427 A CN 202110370427A CN 112936183 B CN112936183 B CN 112936183B
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- base
- fixture block
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- short pipe
- transmission rod
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model provides a nozzle stub quick assembly disassembly instrument, relates to pipeline installation and dismounting device technical field, including prismatic transfer line, driving medium, base, fixture block, four directions connector, constant head tank, connecting hole, elastic positioning element, first shaft hole, the base establish on the circle axle through first shaft hole cover to rotate with the lower part of driving medium and be connected, the periphery on upper portion of driving medium evenly be equipped with a plurality of projections that extend to the outside, it is relative with adjacent projection, and the upper surface that is located the base is equipped with a fixture block respectively, the one end of fixture block rotate with the base through the vertical axis and be connected, drive the transfer line when electric spanner and rotate to when making protruding free end that promotes the fixture block to move to the outside, the outside end and the nozzle stub inner wall of fixture block compress tightly. The invention can effectively solve the limitation that the pipeline is installed and disassembled only by manually twisting the pipe wrench, and can quickly install and disassemble small pipelines and pipe fittings by combining with various electric tools.
Description
Technical Field
The invention relates to the technical field of pipeline mounting and dismounting devices, in particular to a short pipe quick dismounting tool.
Background
In the field construction process, some short pipes are always installed and disassembled, the traditional construction process is operated by using hand tools such as pipe tongs and the like, the installation and disassembly speed is low, and the construction process is limited by the construction space, so that the labor intensity of operators is high, and the construction efficiency is low.
Disclosure of Invention
The tool can effectively solve the limitation that the pipeline is installed and disassembled only by manually twisting a pipe wrench, and can quickly install and disassemble small pipelines and pipe fittings by being combined with various electric tools. Meanwhile, the problem that pipe tongs are inconvenient to construct in a narrow space can be solved, and the purposes of saving labor and improving working efficiency are achieved.
In order to realize the purpose, the technical scheme of the invention is as follows:
a short pipe quick dismounting tool comprises a prismatic transmission rod, a transmission part, a base and a plurality of clamping blocks, wherein a square connector capable of being connected with an electric wrench is integrally formed at the top end of the transmission rod, a plurality of positioning grooves are uniformly arranged on the rod wall of the transmission rod at intervals, the transmission part is provided with a connecting hole penetrating through the upper end face and the lower end face, an elastic positioning part matched with the positioning grooves is arranged in the connecting hole, the transmission part is clamped with the transmission rod through the elastic positioning part, the connecting hole is prismatic, and the inner wall of the connecting hole is attached to the outer wall of the transmission rod; the lower part of driving medium be the circle axle construction, the center department of base be equipped with first shaft hole, the base establish on the circle axle through first shaft hole cover to rotate with the lower part of driving medium and be connected, the periphery on upper portion of driving medium evenly be equipped with a plurality of projections that extend to the outside, relative with adjacent projection, and the upper surface that is located the base is equipped with a fixture block respectively, the one end of fixture block and base pass through the vertical axis and rotate and be connected, drive the transfer line when electric spanner and rotate to when making the free end that the projection promoted the fixture block move to the outside, the outside end and the nozzle stub inner wall of fixture block compress tightly.
Preferably, the base is of a flat cylindrical structure, 2 vertical shafts are respectively arranged on the upper surface of the base and opposite to the adjacent protrusions, the distance between the axis of each vertical shaft and the axis of the transmission rod is the same, the fixture blocks are respectively provided with a second shaft hole and a limiting groove, the second shaft hole penetrates through the upper end face and the lower end face, the second shaft hole is rotatably connected with one vertical shaft, the other vertical shaft penetrates through the limiting groove to limit the distance of the fixture blocks rotating towards the outside, and the arrangement directions of the second shaft hole and the limiting groove on each fixture block are the same.
Preferably, the upper portion of driving medium be regular triangle's prismatic structure, form the squeeze face through the chamfer processing in prismatic structure's side arris both sides, the fixture block have 3, it is relative with the side on the upper portion of driving medium respectively, the vertical axis set up around the axis interval 60 degrees of base, the fixture block lateral surface be the arcwall face, the arcwall face have the same axis with the base, the medial surface of fixture block be planar structure, the axis place plane of 2 vertical axes of installation fixture block is parallel with the medial surface of fixture block, constitute the space of stepping down between the looks remote site of adjacent fixture block, the medial surface cooperation of squeeze face and fixture block use, when the one end that the fixture block was equipped with the spacing groove was promoted by the squeeze face, the lateral surface that the fixture block was equipped with the one end of spacing groove moved to the outside to surpass the outer fringe of base, and offset with the inner wall of nozzle stub.
Preferably, the outer side face of one end of the clamping block, which is provided with the limiting groove, is provided with a plurality of convex teeth for clamping the inner wall of the short pipe, the volume of the convex teeth is increased one by one along the rotating direction of the transmission rod during working, and a convex tooth group matched with the inner wall of the short pipe is formed.
Preferably, the lower end of the outer surface of the side wall of the lower part of the transmission part is also provided with a first external thread, and a first limit ring is screwed at the first external thread; the top end of the vertical shaft exceeds the upper end face of the clamping block, a second external thread is also arranged at the top end of the side wall of the vertical shaft, a second limiting ring is screwed at the top end of the vertical shaft, and the lower end face of the base and the upper end face of the clamping block are respectively in sliding connection with the upper end face of the first limiting ring and the lower end face of the second limiting ring.
Preferably, the side end faces of the upper portion of the transmission member are respectively provided with a magnet block, the magnet blocks are matched with the inner end faces of the clamping blocks for use, the clamping blocks are sucked tightly inwards when the transmission rod is located at the initial position, and the outer end face of one vertical shaft is abutted against the outer side groove wall of the limiting groove.
Preferably, the base, the transmission part and the clamping block have multiple types and are respectively matched with short pipes of one type.
Preferably, one or more groups of working parts consisting of the base, the fixture block and the transmission part are arranged on the transmission rod.
A use method of a short pipe quick disassembling tool comprises the following steps: the method comprises the following steps of 1, selecting a proper base 1, a proper transmission part and a proper fixture block according to the inner diameter of a short pipe; step 2, at least two groups of working parts are arranged on the transmission rod at intervals; step 3, checking the mounting direction of the fixture block according to the rotating direction of the transmission rod during working, if the mounting direction is wrong, only detaching the fixture block, turning over the fixture block, mounting the second shaft hole on the other vertical shaft, and mounting the limiting groove on the rest vertical shaft; step 4, screwing the first limiting ring and the second limiting ring after checking that the first limiting ring and the second limiting ring are correct; step 5, connecting the square connector with an electric wrench, and extending the working part into the short pipe; and 6, starting the electric wrench to install or disassemble the short pipe.
The tool for quickly disassembling and assembling the short pipe has the following beneficial effects: the invention can effectively solve the limitation that the pipeline is installed and disassembled only by manually twisting the pipe wrench, and can quickly install and disassemble small pipelines and pipe fittings by combining with various electric tools. Meanwhile, the problem that pipe tongs are inconvenient to construct in a narrow space can be solved, and the purposes of saving labor and improving working efficiency are achieved.
Drawings
FIG. 1, a front view of the present invention;
FIG. 2, a partial longitudinal cross-sectional view of the present invention;
FIG. 3 is a schematic sectional view of the structure at A-A1 in the initial state of the present invention;
FIG. 4 is a schematic cross-sectional view at A-A1 of the present invention in operation;
01. the device comprises a short pipe, a square connector 1, a square connector 2, a transmission rod 3, a positioning groove 4, a clamping block 5, a base 6, a transmission part 6-1, the lower part of the transmission part 6-2, a first limiting ring 6-3, the upper part of the transmission part 6-4, an extrusion surface 6-5, a magnet block 7, a second external thread 8, a second limiting ring 9, a convex tooth 10, a first shaft hole 11, a second shaft hole 12, a vertical shaft 13, a limiting groove 14, an elastic positioning part 15 and a connecting hole.
Detailed Description
In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention.
Examples 1,
A short pipe quick dismounting tool comprises a prismatic transmission rod 2, preferably a hexagonal prism, a transmission part 6, a base 5 and a plurality of clamping blocks 4, wherein a square connector 1 capable of being connected with an electric wrench is integrally formed at the top end of the transmission rod, a plurality of positioning grooves 3 are uniformly arranged on the rod wall of the transmission rod at intervals, the transmission part 6 is provided with a connecting hole 15 penetrating through the upper end surface and the lower end surface, an elastic positioning part 14 matched with the positioning grooves 3 is arranged in the connecting hole, the elastic connecting part is the prior art, such as a positioning tongue commonly used in industry, and spring pins used on a telescopic rod of an umbrella in life, such as a plurality of elastic protrusions in rotary positioning, the end of the elastic part is preferably spherical, and when the transmission part 6 is pushed, the end of the elastic part can be extruded and retracted into a sliding hole preset on the connecting hole wall below the elastic end by the groove wall of the positioning groove 3, or the end of the elastic part can be extruded and deformed, so that the transmission part 6 can be pulled out from the transmission rod;
the transmission piece 6 is clamped with the transmission rod 2 through an elastic positioning piece 14, the connecting hole is also in a prism shape, and the inner wall of the connecting hole is attached to the outer wall of the transmission rod; the lower part 6-1 of driving medium be the circular shaft structure, the center department of base 5 be equipped with first shaft hole 10, base 5 overlap through first shaft hole 10 and establish on the circular shaft to rotate with the lower part 6-1 of driving medium and be connected, the periphery of the upper portion 6-3 of driving medium evenly be equipped with a plurality of projections that extend to the outside, relative with adjacent projection, and the upper surface that is located base 5 is equipped with a fixture block 4 respectively, the one end of fixture block 4 rotate with base 5 through vertical axis 12 and be connected, drive transfer line 2 when electric spanner rotates to make the projection promote when the free end of fixture block 4 moves to the outside, the outside end of fixture block 4 compresses tightly with nozzle stub 01 inner wall.
The embodiment discloses the most basic structure of the invention, and the short pipe can be installed or disassembled by rotating the transmission rod 2 and pushing the fixture block 4 to tightly clamp the inner wall of the short pipe through the protrusion.
Examples 2,
The embodiment is an improvement on the basis of embodiment 1, and specifically includes:
as shown in fig. 1-4, the base 5 is a flat cylindrical structure, the upper surface of the base 5, opposite to the adjacent protrusions, is further provided with 2 vertical shafts 12, the distance between the axis of each of the 2 vertical shafts 12 and the axis of the transmission rod is the same, the fixture blocks 4 are respectively provided with a second shaft hole 11 and a limiting groove 13, the second shaft hole 11 penetrates through the upper end surface and the lower end surface, the second shaft hole 11 is rotatably connected with one of the vertical shafts 12, the other vertical shaft 12 penetrates through the limiting groove 13 to limit the distance of the fixture block 4 rotating outwards, and the arrangement directions of the second shaft hole 11 and the limiting groove 13 on each fixture block 4 are the same.
As shown in fig. 3, by the above arrangement, the fixture block 4 can be turned over for use, that is, the fixture block 4 can be used for installing or detaching the short pipe by turning over the fixture block 4 according to the turning direction of the transmission rod.
Examples 3,
The embodiment is an improvement made on the basis of embodiment 2, and specifically includes:
as shown in fig. 3, the upper portion 6-3 of the transmission member is of a regular triangle prism structure, extrusion surfaces 6-4 are formed on two sides of side edges of the prism structure through chamfering treatment, 3 clamping blocks 4 are provided and are respectively opposite to the side surfaces of the upper portion 6-3 of the transmission member, the vertical shafts 12 are arranged at intervals of 60 degrees around the axis of the base, the outer side surfaces of the clamping blocks 4 are arc-shaped surfaces, the arc-shaped surfaces and the base 5 have the same axis, the inner side surfaces of the clamping blocks 4 are of a plane structure, the planes where the axes of the 2 vertical shafts for mounting the clamping blocks 4 are located are parallel to the inner side surfaces of the clamping blocks 4, and an abdicating space is formed between opposite ends of the adjacent clamping blocks 4 to avoid mutual interference during work, as shown in fig. 4, the extrusion surfaces 6-4 are matched with the inner side surfaces of the clamping blocks 4 for use, and when one end of the clamping block 4 provided with the limiting groove 13 is pushed by the extrusion surface, the outer side of one end of the clamping block 4 provided with the limiting groove 13 moves outwards and exceeds the outer edge of the base 5 and abuts against the inner wall of the short pipe.
Examples 4,
The embodiment is an improvement made on the basis of embodiment 3, and specifically includes:
as shown in fig. 3 and 4, the outer side surface of one end of the fixture block 4, which is provided with the limiting groove 13, is provided with a plurality of convex teeth 9 for clamping the inner wall of the short pipe, the volume of the convex teeth is gradually increased along the rotating direction of the transmission rod when the transmission rod works, and a convex tooth group matched with the inner wall of the short pipe is formed.
As shown in figure 4, during operation, each convex tooth 9 in the convex tooth group can be abutted against the inner wall of the short pipe, so that the stress on the inner wall of the short pipe is balanced and sufficient, and the protection and the quick assembly and disassembly of the inner wall of the short pipe are facilitated.
Examples 5,
The embodiment is an improvement made on the basis of embodiment 4, and specifically includes:
as shown in fig. 2, the lower end of the outer surface of the side wall of the lower part 6-1 of the transmission part is also provided with a first external thread, and a first limit ring 6-2 is screwed at the first external thread; the top end of the vertical shaft 12 exceeds the upper end face of the fixture block 4, the top end of the side wall of the vertical shaft 12 is also provided with a second external thread 7, the top end of the vertical shaft 12 is in threaded connection with a second limiting ring 8, and the lower end face of the base 5 and the upper end face of the fixture block 4 are respectively in sliding connection with the upper end face of the first limiting ring 6-2 and the lower end face of the second limiting ring 8.
The first limiting ring 6-2 and the second limiting ring 8 can prevent the base or the clamping block from falling off during working, and can meet the requirements of assembling and disassembling short pipes at various angles.
Examples 6,
The embodiment is an improvement made on the basis of embodiment 5, and specifically includes:
as shown in fig. 3, the side end surfaces of the upper portions 6-3 of the transmission members are further provided with magnet blocks 6-5, the magnet blocks 6-5 are used in cooperation with the inner end surfaces of the latch blocks 4, and when the transmission rod is located at the initial position, the latch blocks 4 are sucked tightly inwards, and the outer end surface of one of the vertical shafts 12 abuts against the outer side groove wall of the limiting groove 13.
The magnet block can prevent the fixture block from moving outwards due to gravity when the magnetic iron is at the initial position, so that the magnetic iron is more convenient to use.
Example 7,
The embodiment is an improvement made on the basis of the embodiment 6, and specifically comprises the following steps:
the base 1, the transmission part 6 and the fixture block 4 have various types and are respectively matched with short pipes of one type.
Example 8,
The embodiment is an improvement made on the basis of embodiment 7, and specifically includes:
and one or more groups of working parts consisting of a base 5, a fixture block 4 and a transmission piece 6 are arranged on the transmission rod 2.
Examples 9,
The embodiment is an improvement made on the basis of embodiment 8, and specifically includes:
a use method of a short pipe quick disassembling tool comprises the following steps: the method comprises the following steps of 1, selecting a proper base 1, a proper transmission piece 6 and a proper fixture block 4 according to the inner diameter of a short pipe; step 2, at least two groups of working parts are arranged on the transmission rod at intervals; step 3, checking the installation direction of the fixture block 4 according to the rotation direction of the transmission rod during working, only detaching the fixture block 4 and turning over the fixture block 4 if the installation direction is wrong, then installing the second shaft hole 11 on the other vertical shaft 12, and installing the limiting groove on the rest vertical shaft; step 4, screwing the first limiting ring and the second limiting ring after checking that the first limiting ring and the second limiting ring are correct; step 5, connecting the square connector with an electric wrench, and extending the working part into the short pipe; and 6, starting the electric wrench to install or disassemble the short pipe.
As shown in fig. 3, in the initial state, under the attraction of the magnet block, the fixture block 4 is retracted inward, the edge thereof is separated from the inner wall of the short pipe, and the operator can extend the working part into the short pipe and stop at a proper position; as shown in fig. 4, in the working state, the transmission rod 2 rotates, the prismatic structure of the transmission rod drives the transmission member 6 to rotate together, the base is rotatably connected with the circular shaft, so the base rotates relative to the transmission rod due to inertia, the upper part of the transmission member pushes the fixture block 4 to move outwards, the convex tooth group at the outer side end of the fixture block 4 is tightly clamped with the inner wall of the short pipe, and after the clamping, the base 5, the fixture block 4 and the transmission member 6 are fixedly connected due to the force transmission effect of the vertical shaft and rotate together under the driving of the transmission shaft until the short pipe is detached or installed. After the completion, the transmission rod is rotated reversely by a small angle, then the electric wrench is closed, at the moment, due to the attraction of the magnet block, the fixture block 4 is retracted to the initial state again, as shown in fig. 3, and the short pipe is taken out.
The fixture block 4 of the invention can be used positively and negatively, when the fixture block 4 is installed as shown in fig. 4, the fixture block supports the transmission rod to rotate anticlockwise and is usually used for installing a short pipe; when the fixture block 4 is turned over for installation, namely the limiting groove of the fixture block 4 is matched with the other vertical shaft, the transmission rod is supported to rotate clockwise, and the short pipe is usually disassembled.
Claims (4)
1. A short pipe quick assembly disassembly tool is characterized in that: the transmission mechanism comprises a prismatic transmission rod, a transmission part, a base and a plurality of clamping blocks, wherein a square connector capable of being connected with an electric wrench is integrally formed at the top end of the transmission rod, a plurality of positioning grooves are uniformly arranged on the rod wall of the transmission rod at intervals, the transmission part is provided with connecting holes penetrating through the upper end surface and the lower end surface, an elastic positioning part matched with the positioning grooves for use is arranged in the connecting holes, the transmission part is clamped with the transmission rod through the elastic positioning part, the connecting holes are prismatic, and the inner wall of each connecting hole is attached to the outer wall of the transmission rod; the lower part of the transmission part is of a circular shaft structure, a first shaft hole is formed in the center of the base, the base is sleeved on the circular shaft through the first shaft hole and is rotatably connected with the lower part of the transmission part, a plurality of protrusions extending outwards are uniformly arranged on the periphery of the upper part of the transmission part, a fixture block is arranged on the upper surface of the base opposite to the adjacent protrusions, a fixture block is arranged on the upper surface of the base, one end of each fixture block is rotatably connected with the base through a vertical shaft, and when an electric wrench drives the transmission rod to rotate and enables the protrusions to push the free end of each fixture block to move outwards, the outer end of each fixture block is tightly pressed against the inner wall of the short pipe;
the base is of a flat cylindrical structure, 2 vertical shafts are respectively arranged on the upper surface of the base and opposite to adjacent bulges, the distance between the axis of each vertical shaft and the axis of the transmission rod is the same, a second shaft hole and a limiting groove which penetrate through the upper end surface and the lower end surface are respectively arranged on each clamping block, the second shaft hole is rotatably connected with one vertical shaft, the other vertical shaft penetrates through the limiting groove to limit the distance of the clamping block rotating towards the outside, and the arrangement directions of the second shaft hole and the limiting groove on each clamping block are the same;
the upper part of the transmission part is of an equilateral triangle prism structure, extrusion surfaces are formed on two sides of side edges of the prism structure through chamfering treatment, 3 clamping blocks are respectively opposite to the side surface of the upper part of the transmission part, the vertical shafts are arranged at intervals of 60 degrees around the axis of the base, the outer side surfaces of the clamping blocks are arc-shaped surfaces, the arc-shaped surfaces and the base have the same axis, the inner side surfaces of the clamping blocks are of a plane structure, the planes where the axes of the 2 vertical shafts for mounting the clamping blocks are located are parallel to the inner side surfaces of the clamping blocks, abdicating spaces are formed between opposite ends of the adjacent clamping blocks, the extrusion surfaces are matched with the inner side surfaces of the clamping blocks for use, and when one end of each clamping block, which is provided with a limiting groove, is pushed by the extrusion surfaces, the outer side surface of one end, provided with the limiting groove, of each clamping block moves outwards and exceeds the outer edge of the base and abuts against the inner wall of the short pipe;
the outer side surface of one end of the fixture block, which is provided with the limiting groove, is provided with a plurality of convex teeth for clamping the inner wall of the short pipe, the volumes of the convex teeth are gradually increased along the rotating direction of the transmission rod during working, and a convex tooth group matched with the inner wall of the short pipe is formed;
the lower end of the outer surface of the side wall at the lower part of the transmission part is also provided with a first external thread, and a first limit ring is screwed at the first external thread; the top end of the vertical shaft exceeds the upper end face of the clamping block, a second external thread is also arranged at the top end of the side wall of the vertical shaft, a second limiting ring is screwed at the top end of the vertical shaft, and the lower end face of the base and the upper end face of the clamping block are respectively in sliding connection with the upper end face of the first limiting ring and the lower end face of the second limiting ring;
the side end faces of the upper portion of the transmission piece are respectively provided with a magnet block, the magnet blocks are matched with the inner end faces of the clamping blocks for use, the clamping blocks are tightly sucked inwards when the transmission rod is located at the initial position, and the outer end face of one vertical shaft is abutted to the outer side groove wall of the limiting groove.
2. A quick-release tool for short pipes as claimed in claim 1, wherein: the base, the transmission part and the clamping block have various types and are respectively matched with short pipes of one type.
3. A quick-release tool for short pipes as claimed in claim 2, wherein: the transmission rod is provided with a plurality of groups of working parts consisting of bases, clamping blocks and transmission parts.
4. A using method of a short pipe quick disassembling tool is characterized in that: the tool for quickly disassembling and assembling the short pipe according to claim 3 comprises a step 1 of selecting a proper base, a proper transmission part and a proper fixture block according to the inner diameter of the short pipe; step 2, at least two groups of working parts are arranged on the transmission rod at intervals; step 3, checking the mounting direction of the fixture block according to the rotating direction of the transmission rod during working, if the mounting direction is wrong, only detaching the fixture block, turning over the fixture block, mounting the second shaft hole on the other vertical shaft, and mounting the limiting groove on the rest vertical shaft; step 4, screwing the first limiting ring and the second limiting ring after checking that the first limiting ring and the second limiting ring are correct; step 5, connecting the square connector with an electric wrench, and extending the working part into the short pipe; and 6, starting the electric wrench to install or disassemble the short pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370427.0A CN112936183B (en) | 2021-04-07 | 2021-04-07 | Rapid short pipe dismounting tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370427.0A CN112936183B (en) | 2021-04-07 | 2021-04-07 | Rapid short pipe dismounting tool |
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| CN112936183A CN112936183A (en) | 2021-06-11 |
| CN112936183B true CN112936183B (en) | 2022-11-04 |
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| CN202110370427.0A Active CN112936183B (en) | 2021-04-07 | 2021-04-07 | Rapid short pipe dismounting tool |
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| CN110802427A (en) * | 2019-11-27 | 2020-02-18 | 无锡微尔逊流体控制技术有限公司 | But machining presss from both sides anchor clamps subassembly of tight work piece with both ends clamp |
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| CN212071740U (en) * | 2020-05-07 | 2020-12-04 | 南京欧美华机电设备有限公司 | Torque wrench with wrench head convenient to replace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10737370B2 (en) * | 2016-07-11 | 2020-08-11 | Goehl Technology, LLC | Adjustable tool |
| CN110454650A (en) * | 2019-08-15 | 2019-11-15 | 宁波印天智能科技有限公司 | Display bracket with fast assembling disassembling structure |
| CN212887414U (en) * | 2020-08-28 | 2021-04-06 | 广西玉柴机器股份有限公司 | Quick disassembling tool for rotary joint |
| CN112296644A (en) * | 2020-10-15 | 2021-02-02 | 无锡迈泽科技有限公司 | Many specifications fastener tightening device of simple structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983934A (en) * | 2015-01-28 | 2016-10-05 | 杭州巨星工具有限公司 | Adjustable wrench |
| CN205928429U (en) * | 2016-08-02 | 2017-02-08 | 宁波工程学院 | Hex socket spanner |
| CN210818483U (en) * | 2019-07-30 | 2020-06-23 | 佛山市尚骏模具有限公司 | Numerical control machine tool clamp |
| CN110802427A (en) * | 2019-11-27 | 2020-02-18 | 无锡微尔逊流体控制技术有限公司 | But machining presss from both sides anchor clamps subassembly of tight work piece with both ends clamp |
| CN212071740U (en) * | 2020-05-07 | 2020-12-04 | 南京欧美华机电设备有限公司 | Torque wrench with wrench head convenient to replace |
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|---|---|
| CN112936183A (en) | 2021-06-11 |
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