CN110723698B - Multifunctional crow bar and use method thereof - Google Patents
Multifunctional crow bar and use method thereof Download PDFInfo
- Publication number
- CN110723698B CN110723698B CN201911110729.3A CN201911110729A CN110723698B CN 110723698 B CN110723698 B CN 110723698B CN 201911110729 A CN201911110729 A CN 201911110729A CN 110723698 B CN110723698 B CN 110723698B
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- locking block
- pry bar
- inner core
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000011258 core-shell material Substances 0.000 claims description 40
- 230000000694 effects Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 8
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F15/00—Crowbars or levers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention relates to a multifunctional pry bar and a use method thereof.A first flat plug is arranged at one end of the pry bar, the other end of the pry bar is bent to form a C-shaped part, the tail end of the C-shaped part is connected with a second plug, and the second plug is provided with a notch for lifting nails; the protective sleeve assembly is arranged on the pry bar, steps are arranged at two ends of the pry bar, a locking clamping groove is formed in the pry bar between the two steps, the protective sleeve assembly can rotate around the pry bar and is arranged on the pry bar between the two steps in a vertically moving mode along the pry bar, a locking block is arranged in the protective sleeve assembly, and when the locking block is clamped into the locking clamping groove, the protective sleeve assembly is locked and cannot move up and down; the sheath component is rotated to enable the locking block to be separated from the locking clamping groove, and the sheath component is unlocked and can move up and down. The sheath assembly is simple and reasonable in structural design and convenient to assemble and disassemble, can be locked on the pry bar to be used as a handle sheath, and can be used as a force application tool after unlocking, so that the pry bar has multiple functions.
Description
Technical Field
The invention relates to the field of hardware tools. In particular to a multifunctional pry bar and a use method thereof.
Background
The pry bar is a labor tool, and is a method for lifting and displacing a heavy object from the ground by utilizing a lever principle to enable an object which cannot be moved by manpower to overcome the gravity. The crow bar is a very useful construction tool and hardware tool. The existing crow bar generally comprises a crow bar, wherein plugs are arranged at two ends of the crow bar, one plug is mainly used for being inserted into a gap to pry a pried object, the other plug is mainly used for lifting nails, when the plug is inserted into the gap, a certain force is sometimes needed to be applied to successfully insert the plug into the gap, at the moment, impact force needs to be applied to the crow bar by other tools, but the crow bar is easy to deviate and cannot be well inserted into the gap, and therefore improvement and optimization of the existing crow bar are necessary.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the multifunctional pry bar which is reasonable in structural design, convenient to use and convenient for a user to apply force, and the use method of the pry bar.
The invention solves the problems by adopting the following technical scheme: a multifunctional pry bar comprises a pry bar, wherein one end of the pry bar is provided with a flat first plug, the other end of the pry bar is bent to form a C-shaped part, the tail end of the C-shaped part is connected with a second plug, and the second plug is provided with a notch for lifting nails; the method is characterized in that: the protective sleeve assembly is arranged on the pry bar, steps are arranged at two ends of the pry bar, a locking clamping groove is formed in the pry bar between the two steps, the protective sleeve assembly can rotate around the pry bar and is arranged on the pry bar between the two steps in a vertically moving mode along the pry bar, a locking block is arranged in the protective sleeve assembly, and when the locking block is clamped into the locking clamping groove, the protective sleeve assembly is locked and cannot move up and down; the sheath component is rotated to enable the locking block to be separated from the locking clamping groove, and the sheath component is unlocked and can move up and down.
Preferably, the included angle between the first plug and the crow bar is an obtuse angle.
Preferably, the cross section of the pry bar is regular hexagon; the locking piece sets up two: the first locking block and the second locking block are provided with arc surfaces, wherein the arc surfaces of the second locking block are provided with V-shaped protrusions; the sheath assembly comprises a locking inner core shell, a left half sheath and a right half sheath; the locking inner core shell is cylindrical, the center of the locking inner core shell is provided with an axial mounting hole, the cross section shape of the mounting hole is consistent with that of the crow bar, the upper end of the locking inner core shell is provided with a circle of first locking block guiding groove, and the bottom surface of a half groove of the first locking block guiding groove is communicated with the mounting hole; the lower end of the locking inner core shell is provided with a circle of groove for guiding the second locking block, and the bottom surface of the groove for guiding the second locking block is provided with a V-shaped notch; a circle of positioning flange is arranged in the middle of the locking inner core shell; the whole locking inner core shell is divided into two parts along the axial direction, namely a left half locking inner core shell and a right half locking inner core shell which are completely consistent in shape; the left half locking inner core shell and the right half locking inner core shell are combined together to be wrapped on the crowbar, the left half sheath and the right half sheath are combined together to be wrapped on the locking inner core shell, and semicircular arc grooves for clamping and positioning flanges and preventing the left half sheath and the right half sheath from moving relative to the locking inner core shell axially are formed in the middle of the inner side wall of the left half sheath and the middle of the inner side wall of the right half sheath; the upper end and the lower end of the inner side wall of the left half sheath are respectively provided with a locking block mounting groove, a spring is arranged in each locking block mounting groove, the first locking block is arranged in each locking block mounting groove at the upper end, one end of the first locking block abuts against the spring, and the other end of the first locking block is positioned in each locking block guiding groove; the second locking block is arranged in the locking block mounting groove at the lower end, one end of the second locking block abuts against the spring, and the other end of the second locking block is positioned in the groove for guiding the second locking block.
Preferably, the left half sheath and the right half sheath are connected together through four bolts.
Preferably, three locking clamping grooves are formed in the pry bar.
Preferably, the locking inner core shell, the left half sheath and the right half sheath are all plastic parts, the first locking block is a steel part, and the second locking block is a plastic part.
Preferably, the crow bar, the first plug and the second plug are integrally formed.
Preferably, the step is welded to the crowbar.
The invention also provides a use method of the multifunctional pry bar, which comprises the following steps: including a method of locking the sheath assembly to the crowbar and a method of unlocking the sheath assembly.
In the invention, the method for locking the sheath component on the crowbar comprises the following steps: the jacket assembly moves up and down, so that the first locking block corresponds to a certain locking clamping groove, then the left half jacket and the right half jacket which are connected together in a rotating mode are abutted against the locking clamping groove due to the fact that the locking inner core shell cannot rotate around the crow bar, the rotation of the left half jacket and the right half jacket immediately drives the first locking block and the second locking block to rotate, and when the first locking block rotates to the section of the first locking block guiding groove with the empty groove bottom face, the first locking block is pushed forward under the action of the spring at the moment, and therefore the whole jacket assembly cannot move up and down at the moment.
The unlocking method of the sheath component comprises the following steps: the left half sheath and the right half sheath which are connected together are rotated to enable the first locking block to be separated from the locking clamping groove, at the moment, the sheath assembly is unlocked and can move up and down, a worker holds the sheath assembly to move up and down to impact the step, and the plug at the end part of the pry bar can be forced; in order to prevent the relative rotation between the left half sheath and the right half sheath and the locking inner core shell during force application, the left half sheath and the right half sheath can be continuously rotated after the first locking block is separated from the locking clamping groove, so that the V-shaped protrusions on the second locking block are clamped into the V-shaped notches on the bottom surface of the second locking block guide groove, a certain anti-rotation effect is achieved, at the moment, only the left half sheath and the right half sheath are manually rotated by force application, and the left half sheath and the right half sheath cannot rotate relative to the locking inner core shell under the condition of no other external force effect.
Compared with the prior art, the invention has the following advantages and effects: the sheath assembly is simple and reasonable in structural design and convenient to assemble and disassemble, can be locked on the pry bar to be used as a handle sheath, and can be used as a force application tool after unlocking, so that the pry bar has multiple functions.
Drawings
In order to more clearly illustrate the embodiments of the invention or the solutions in the prior art, a brief description will be given below of the drawings that are needed in the description of the embodiments or the prior art, it being obvious that the drawings in the description below are some embodiments of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure of an embodiment of the present invention.
Fig. 2 is a schematic top view of an embodiment of the present invention.
Fig. 3 is a schematic front view of a crowbar according to an embodiment of the present invention.
Fig. 4 is a schematic view of an exploded view of a jacket assembly in accordance with an embodiment of the present invention.
Fig. 5 is a perspective view of the locking core housing of the present invention split into two halves, a left half locking core housing and a right half locking core housing.
Fig. 6 is a perspective view of the left half sheath in an embodiment of the invention.
Fig. 7 is a perspective view of a second lock block in an embodiment of the present invention.
Reference numerals illustrate:
a crow bar 1; a C-shaped part 11; a step 12; a locking groove 13;
A first plug 2;
a second plug 3; a nail notch 31;
a sheath assembly 4; a lock block 41; a first lock 411; a second lock block 412; v-shaped protrusions 4121;
A locking core housing 42; left half latch core housing 421; right half-lock core housing 422; a left half sheath 43; a right half sheath 44; a first locking block guide groove 45; v-notch 46; a positioning flange 47; a semicircular arc groove 48; a lock block mounting groove 49; grooves 4-10 for guiding the second locking block;
a spring 5; and a bolt 6.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Examples
See FIG. 1 to fig. 7.
The embodiment discloses a multifunctional pry bar which comprises a pry bar 1, wherein the cross section of the pry bar 1 is in a regular hexagon shape; one end of the pry bar 1 is provided with a flat first plug 2, the other end of the pry bar 1 is bent to form a C-shaped part 11, the tail end of the C-shaped part 11 is connected with a second plug 3, and the second plug 3 is provided with a notch 31 for nail pulling. The included angle between the first plug 2 and the crow bar 1 is an obtuse angle. The crow bar 1, the first plug 2 and the second plug 3 are manufactured by adopting integrated forming.
In the embodiment, a sheath assembly 4 is mounted on a pry bar 1, steps 12 are welded at two ends of the pry bar 1, a locking clamping groove 13 is formed in the pry bar 1 between the two steps 12, the sheath assembly 4 can rotate around the pry bar 1 and is mounted on the pry bar 1 between the two steps 12 in a vertically movable manner along the pry bar 1, a locking block 41 is arranged in the sheath assembly 4, and when the locking block 41 is clamped into the locking clamping groove 13, the sheath assembly 4 is locked and cannot move up and down; the sheath assembly 4 can be rotated to enable the locking block 41 to be separated from the locking clamping groove 13, and the sheath assembly 4 is unlocked and can move up and down.
Specifically, the lock block 41 is provided with two: the first lock block 411 and the second lock block 412 both have an arc surface, wherein the arc surface of the second lock block 412 is provided with a V-shaped protrusion 4121.
The sheath assembly 4 includes a locking core housing 42, a left sheath half 43 and a right sheath half 44. The locking inner core housing 42 is cylindrical, and has an axial mounting hole in the center thereof, the cross section of the mounting hole is consistent with that of the crow bar 1, a circle of first locking block guiding groove 45 is arranged at the upper end of the locking inner core housing 42, and a half of the groove bottom surface of the first locking block guiding groove 45 is communicated with the mounting hole. The lower end of the locking inner core shell 42 is provided with a circle of second locking block guiding grooves 4-10, and the bottom surface of each second locking block guiding groove 4-10 is provided with a V-shaped notch 46; a ring of locating flanges 47 are provided in the middle of the locking core housing 42. The entire locking core housing 42 is divided into two in the axial direction, a left half locking core housing 421 and a right half locking core housing 422, which are completely identical in shape.
The left half locking core shell 421 and the right half locking core shell 422 are combined together and wrapped on the crowbar 1, the left half sheath 43 and the right half sheath 44 are combined together and wrapped on the locking core shell 42, and semicircular grooves 48 for clamping the positioning flange 47 and preventing the left half sheath 43 and the right half sheath 44 from moving relative to the locking core shell 42 are arranged in the middle of the inner side wall of the left half sheath 43 and the right half sheath 44. The left half sheath 43 and the right half sheath 44 are connected together by four bolts 6.
The upper end and the lower end of the inner side wall of the left half sheath 43 are respectively provided with a locking block mounting groove 49, a spring 5 is arranged in the locking block mounting groove 49, a first locking block 411 is arranged in the locking block mounting groove 49 at the upper end, one end of the first locking block 411 abuts against the spring 5, and the other end is positioned in the groove 45 for guiding the first locking block. The No. two lock block 412 is mounted in the lock block mounting groove 49 at the lower end, and one end of the No. two lock block 412 abuts against the spring 5, and the other end is located in the No. two lock block guide groove 4-10.
In this embodiment, three locking slots 13 are provided on the crow bar 1, so that the position of the sheath assembly 4 on the crow bar 1 can be adjusted. The locking inner core housing 42, the left half sheath 43 and the right half sheath 44 are all plastic pieces, the first locking block 411 is a steel piece, and the second locking block 412 is a plastic piece.
In this embodiment, the method for locking the sheath assembly 4 on the crowbar 1 is as follows: the jacket assembly 4 is moved up and down, so that the first locking block 411 corresponds to one locking slot 13, then the left half jacket 43 and the right half jacket 44 which are connected together are rotated, because the locking inner core shell 42 cannot rotate around the crowbar 1, the rotation of the left half jacket 43 and the right half jacket 44 drives the first locking block 411 and the second locking block 412 to rotate immediately, and when the first locking block 411 rotates to the section of the first locking block guiding groove 45 with the bottom surface being empty, the first locking block 411 is pushed forward under the action of the spring 5 so as to abut against the locking slot 13, and at the moment, the whole jacket assembly 4 cannot move up and down.
In this embodiment, the method for unlocking the sheath assembly 4 is as follows: the left half sheath 43 and the right half sheath 44 which are connected together are rotated to enable the first locking block 411 to be separated from the locking clamping groove 13, at the moment, the sheath assembly 4 is unlocked and can move up and down, a worker holds the sheath assembly 4 to move up and down to impact the step 12, and the plug at the end part of the pry bar 1 can be forced; in order to prevent the left half sheath 43 and the right half sheath 44 from rotating relative to the locking core housing 42 during the force application, the left half sheath 43 and the right half sheath 44 can be continuously rotated after the first locking block 411 is separated from the locking slot 13, so that the V-shaped protrusion 4121 on the second locking block 412 is clamped into the V-shaped notch 46 on the bottom surface of the second locking block guiding groove 4-10, thereby having a certain anti-rotation effect, and only the left half sheath 43 and the right half sheath 44 are manually rotated without force application, and the left half sheath 43 and the right half sheath 44 cannot rotate relative to the locking core housing 42 under the condition of no other external force.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. Equivalent or simple changes of the structure, characteristics and principle of the present invention are included in the protection scope of the present invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A multifunctional pry bar comprises a pry bar (1), wherein one end of the pry bar (1) is provided with a flat first plug (2), the other end of the pry bar (1) is bent to form a C-shaped part (11), the tail end of the C-shaped part (11) is connected with a second plug (3), and the second plug (3) is provided with a notch (31) for lifting nails; the method is characterized in that: the novel anti-theft lock is characterized in that a sheath assembly (4) is arranged on the pry bar (1), steps (12) are arranged at two ends of the pry bar (1), a locking clamping groove (13) is formed in the pry bar (1) between the two steps (12), the sheath assembly (4) can rotate around the pry bar (1) and is arranged on the pry bar (1) between the two steps (12) in a vertically moving mode along the pry bar (1), a locking block (41) is arranged in the sheath assembly (4), and when the locking block (41) is clamped into the locking clamping groove (13), the sheath assembly (4) is locked and cannot move up and down; the sheath assembly (4) is rotated to enable the locking block (41) to be separated from the locking clamping groove (13), and the sheath assembly (4) is unlocked and can move up and down; the included angle between the first plug (2) and the crow bar (1) is an obtuse angle;
the cross section of the pry bar (1) is regular hexagon; the locking block (41) is provided with two: the first locking block (411) and the second locking block (412) are provided with arc surfaces, wherein the arc surfaces of the second locking block (412) are provided with V-shaped protrusions (4121);
The sheath assembly (4) comprises a locking inner core shell (42), a left half sheath (43) and a right half sheath (44); the locking inner core shell (42) is cylindrical, an axial mounting hole is formed in the center of the locking inner core shell, the cross section of the mounting hole is identical to that of the crow bar (1), a circle of first locking block guiding groove (45) is formed in the upper end of the locking inner core shell (42), and the bottom surface of a half groove of the first locking block guiding groove (45) is communicated with the mounting hole; the lower end of the locking inner core shell (42) is provided with a circle of groove (4-10) for guiding the second locking block, and the bottom surface of the groove (4-10) for guiding the second locking block is provided with a V-shaped notch (46); a circle of positioning flange (47) is arranged in the middle of the locking inner core shell (42); the whole locking inner core shell (42) is divided into two parts along the axial direction, namely a left half locking inner core shell (421) and a right half locking inner core shell (422) which are completely consistent in shape; the left half locking inner core shell (421) and the right half locking inner core shell (422) are combined together and wrapped on the crow bar (1), the left half sheath (43) and the right half sheath (44) are combined together and wrapped on the locking inner core shell (42), and semicircular arc grooves (48) for clamping and positioning flanges (47) and preventing the left half sheath (43) and the right half sheath (44) from moving relative to the locking inner core shell (42) are formed in the middle of the inner side wall of the left half sheath (43) and the middle of the inner side wall of the right half sheath (44); the upper end and the lower end of the inner side wall of the left half sheath (43) are respectively provided with a locking block mounting groove (49), a spring (5) is arranged in each locking block mounting groove (49), a first locking block (411) is arranged in each locking block mounting groove (49) at the upper end, one end of the first locking block (411) abuts against the spring (5), and the other end of the first locking block is positioned in a first locking block guiding groove (45); the second locking block (412) is arranged in a locking block mounting groove (49) at the lower end, one end of the second locking block (412) abuts against the spring (5), and the other end of the second locking block is positioned in a second locking block guiding groove (4-10).
2. The multi-function crowbar of claim 1, wherein: the left half sheath (43) and the right half sheath (44) are connected together through four bolts (6).
3. The multi-function crowbar of claim 1, wherein: three locking clamping grooves (13) are formed in the crow bar (1).
4. The multi-function crowbar of claim 1, wherein: the locking inner core shell (42), the left half sheath (43) and the right half sheath (44) are all plastic parts, the first locking block (411) is a steel part, and the second locking block (412) is a plastic part.
5. The multi-function crowbar of claim 1, wherein: the crow bar (1), the first plug (2) and the second plug (3) are integrally formed.
6. The multi-function crowbar of claim 1, wherein: the step (12) is welded on the crow bar (1).
7. A method of using the multi-function pry bar of any one of claims 1-6, wherein: comprises a method for locking the sheath assembly (4) on the pry bar (1) and a method for unlocking the sheath assembly (4);
The method for locking the sheath component (4) on the crowbar (1) comprises the following steps: the jacket assembly (4) is moved up and down, a first locking block (411) corresponds to one locking clamping groove (13), then the left half jacket (43) and the right half jacket (44) which are connected together in a rotating mode are pushed forward under the action of the spring (5), and the whole jacket assembly (4) can not move up and down at the moment because the locking inner core shell (42) cannot rotate around the crowbar bar (1) and the rotation of the left half jacket (43) and the right half jacket (44) drives the first locking block (411) and the second locking block (412) to rotate immediately;
the unlocking method of the sheath component (4) comprises the following steps: the left half sheath (43) and the right half sheath (44) which are connected together are rotated to enable the first locking block (411) to be separated from the locking clamping groove (13), at the moment, the sheath assembly (4) is unlocked and can move up and down, a worker holds the sheath assembly (4) to move up and down to impact the step (12), and the plug at the end part of the crowbar (1) can be forced; in order to prevent relative rotation between the left half sheath (43) and the right half sheath (44) and the locking inner core shell (42) during force application, the left half sheath (43) and the right half sheath (44) can be continuously rotated after the first locking block (411) is separated from the locking clamping groove (13), so that the V-shaped protrusions (4121) on the second locking block (412) are clamped into the V-shaped notches (46) on the bottom surface of the groove (4-10) for guiding the second locking block, a certain anti-rotation effect is achieved, and at the moment, the left half sheath (43) and the right half sheath (44) are only manually rotated without other external force effects, and the left half sheath (43) and the right half sheath (44) cannot rotate relative to the locking inner core shell (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110729.3A CN110723698B (en) | 2019-11-14 | 2019-11-14 | Multifunctional crow bar and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110729.3A CN110723698B (en) | 2019-11-14 | 2019-11-14 | Multifunctional crow bar and use method thereof |
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| Publication Number | Publication Date |
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| CN110723698A CN110723698A (en) | 2020-01-24 |
| CN110723698B true CN110723698B (en) | 2024-04-26 |
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH423189A (en) * | 1965-02-25 | 1966-10-31 | Wormser Ag J | Power-driven nail pullers, in particular for nailing out shuttering boards |
| DE3831756A1 (en) * | 1988-09-19 | 1990-03-22 | Hilti Ag | Striking tool with guide rod |
| CN2070820U (en) * | 1990-02-24 | 1991-02-06 | 山东省新城金矿 | Pneumatic crowbar |
| JPH10275669A (en) * | 1997-03-31 | 1998-10-13 | Yazaki Corp | Device relaying between relatively rotating members |
| CA2325973A1 (en) * | 2000-11-14 | 2002-05-14 | Robert S. Wood | Telescoping demolition tool |
| CN101081158A (en) * | 2007-06-26 | 2007-12-05 | 徐为尔 | Expansion pipe for dust collector |
| CN200995948Y (en) * | 2006-12-30 | 2007-12-26 | 黄华明 | Crowbar |
| CN201552556U (en) * | 2009-10-14 | 2010-08-18 | 天津泰瑞工贸有限公司 | Reversible lock impact prying tool |
| CN203566646U (en) * | 2013-09-18 | 2014-04-30 | 浙江吉利控股集团有限公司 | Multifunctional pin puller |
| CN104165551A (en) * | 2014-07-28 | 2014-11-26 | 胡坚 | Locking mechanism for throwing stick and locking method thereof |
| CN105680263A (en) * | 2016-03-17 | 2016-06-15 | 国家电网公司 | Rapid abutting joint of grounding wire |
| CN105937382A (en) * | 2016-06-17 | 2016-09-14 | 中国石油天然气股份有限公司 | Hydraulic bi-directional slips type hanger |
| KR20160123179A (en) * | 2015-04-15 | 2016-10-25 | 주식회사 만도 | Hydraulic brake apparatus for vehicles |
| CN206106930U (en) * | 2016-09-29 | 2017-04-19 | 长城汽车股份有限公司 | Filler cap head of acting as go -between |
| CN207813035U (en) * | 2017-12-27 | 2018-09-04 | 浙江工业职业技术学院 | A kind of impacting type crowbar |
| CN209561739U (en) * | 2019-04-18 | 2019-10-29 | 宁波西创尼克电子科技有限公司 | Plug |
| CN211283648U (en) * | 2019-11-14 | 2020-08-18 | 杭州萧山佳佳工具有限公司 | Multifunctional crowbar |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2016340045B2 (en) * | 2015-10-16 | 2022-01-13 | Inflatable Packers International Pty Ltd | Hydraulic anchoring assembly for insertable progressing cavity pump |
-
2019
- 2019-11-14 CN CN201911110729.3A patent/CN110723698B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH423189A (en) * | 1965-02-25 | 1966-10-31 | Wormser Ag J | Power-driven nail pullers, in particular for nailing out shuttering boards |
| DE3831756A1 (en) * | 1988-09-19 | 1990-03-22 | Hilti Ag | Striking tool with guide rod |
| CN2070820U (en) * | 1990-02-24 | 1991-02-06 | 山东省新城金矿 | Pneumatic crowbar |
| JPH10275669A (en) * | 1997-03-31 | 1998-10-13 | Yazaki Corp | Device relaying between relatively rotating members |
| CA2325973A1 (en) * | 2000-11-14 | 2002-05-14 | Robert S. Wood | Telescoping demolition tool |
| CN200995948Y (en) * | 2006-12-30 | 2007-12-26 | 黄华明 | Crowbar |
| CN101081158A (en) * | 2007-06-26 | 2007-12-05 | 徐为尔 | Expansion pipe for dust collector |
| CN201552556U (en) * | 2009-10-14 | 2010-08-18 | 天津泰瑞工贸有限公司 | Reversible lock impact prying tool |
| CN203566646U (en) * | 2013-09-18 | 2014-04-30 | 浙江吉利控股集团有限公司 | Multifunctional pin puller |
| CN104165551A (en) * | 2014-07-28 | 2014-11-26 | 胡坚 | Locking mechanism for throwing stick and locking method thereof |
| KR20160123179A (en) * | 2015-04-15 | 2016-10-25 | 주식회사 만도 | Hydraulic brake apparatus for vehicles |
| CN105680263A (en) * | 2016-03-17 | 2016-06-15 | 国家电网公司 | Rapid abutting joint of grounding wire |
| CN105937382A (en) * | 2016-06-17 | 2016-09-14 | 中国石油天然气股份有限公司 | Hydraulic bi-directional slips type hanger |
| CN206106930U (en) * | 2016-09-29 | 2017-04-19 | 长城汽车股份有限公司 | Filler cap head of acting as go -between |
| CN207813035U (en) * | 2017-12-27 | 2018-09-04 | 浙江工业职业技术学院 | A kind of impacting type crowbar |
| CN209561739U (en) * | 2019-04-18 | 2019-10-29 | 宁波西创尼克电子科技有限公司 | Plug |
| CN211283648U (en) * | 2019-11-14 | 2020-08-18 | 杭州萧山佳佳工具有限公司 | Multifunctional crowbar |
Non-Patent Citations (1)
| Title |
|---|
| 新型旋转手柄式吊卡锁紧销的研制;姚博;赵荣喜;丁继东;袁红霞;柳晏英;;石油机械;20101210(12);90-91 * |
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