CN110614601A - Adjustable wrench capable of quickly adjusting opening size - Google Patents
Adjustable wrench capable of quickly adjusting opening size Download PDFInfo
- Publication number
- CN110614601A CN110614601A CN201910869600.4A CN201910869600A CN110614601A CN 110614601 A CN110614601 A CN 110614601A CN 201910869600 A CN201910869600 A CN 201910869600A CN 110614601 A CN110614601 A CN 110614601A
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- worm
- wrench
- small spring
- pin shaft
- opening
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
- B25B13/14—Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses an adjustable wrench capable of quickly adjusting the size of an opening, which comprises a wrench body, a fixed wrench opening and an adjustable wrench opening, wherein the upper end of the wrench body is provided with the fixed wrench opening, the adjustable wrench opening corresponds to the fixed wrench opening, a rack at the lower end part of the adjustable wrench opening slides in a guide round hole formed in the upper end of the wrench body, the wrench body is also provided with a square hole, a worm is arranged in the square hole and meshed with the rack, worm clutch mechanisms are arranged on the left side and the right side of the square hole, the worm is arranged on a pin shaft, and the pin shaft is connected with the worm clutch mechanisms. The invention realizes the quick adjustment of the opening amount by the up-and-down movement of the worm, and has convenient use and high working efficiency. The opening amount adjusting speed is high, the clamping range is wide, and the use torque is large. The quick adjustment is realized and the function that the jaw can not fall off is realized.
Description
Technical Field
The invention relates to the technical field of manual hardware tools, in particular to an adjustable wrench capable of quickly adjusting the size of an opening.
Background
At present, a common adjustable wrench can assemble and disassemble fasteners such as bolts, nuts and the like. When bolts and nuts of different specifications are encountered in the assembling and disassembling process, the clamping and loosening speed of the common adjustable wrench is slow, and the working efficiency is influenced.
Application No.: 94211219.9A wrench with a quick-change jaw is provided with a double-elastic clutch on the basis of a common wrench, so that the jaw can be quickly changed, and the other side of the jaw is provided with saw teeth, thus realizing the dual purposes of quick-change.
The technology disclosed above, its dual spring clutch is at the bottom of the square hole, and uses a bracket and a spring. Therefore, the structure is unstable, and the two end parts are easy to shake, so that the separation is not smooth. The invention is characterized in that grooves are formed between the spring holes and the square holes on two sides of the square hole, and the left pin shaft and the right pin shaft slide up and down in the grooves to realize the separation and combination of the wrench opening and the worm. The transverse compression shaft is convenient to assemble into the vertical strip hole, and after the transverse compression shaft is assembled, the two pin shafts enable the pin shafts to penetrate into the small spring groove through the elasticity of the large spring and press the upper end of the small spring. The assembly is very convenient, and vertical rectangular hole upper end also can restrict the round pin axle upwards to deviate from moreover, has just also guaranteed that the worm can not be outside deviating from the square hole easily, very firm.
Application No.: 91206144.8A dual-purpose adjustable wrench with quick adjustment is composed of a movable jaw with flat jaw at right end and fixed jaw for matching with ordinary wrench, and a pipe wrench at left end for turning 180 deg. to form a pipe wrench with fixed jaw.
The above disclosed technology, its clutch is completely different from the present invention. The worm moves out of the square hole by utilizing the lever principle and is separated from the wrench opening, thereby occupying space and having heavy structure. The worm can only move up and down in the square hole, does not occupy the external space and has a stable structure.
Application No.: 97245151.X relates to a quick adjustable wrench, which comprises a wrench body, a wrench opening, a rack, a worm, a steel ball and a spring, wherein the worm is arranged in a square hole of the wrench body through the spring and the steel ball, and a limit boss is arranged on the inner side of the rack at the lower end of the wrench opening. The quick adjusting wrench has the advantages of reasonable structure, reliable performance and convenient operation, and is an ideal quick adjusting wrench.
The limiting boss of the above patent only has a limiting function, and the assembly sequence of the limiting boss is that the spanner opening is firstly arranged and then the worm is arranged. The boss of the present invention has not only a limiting function, but also can be used as a tooth shape on the wrench mouth, can be introduced into the spiral groove of the worm and meshed with the worm, and the assembly sequence of the boss of the present invention is that the worm is firstly installed and then the wrench mouth is installed, so that the boss on the wrench mouth is meshed with the worm, the wrench mouth can be screwed in, and conversely, the wrench mouth can be screwed out.
The technical solutions of the above-disclosed technologies, the technical problems to be solved, and the advantageous effects thereof are all different from the present invention, and no technical inspiration exists in the above-disclosed technical documents for more technical features, technical problems to be solved, and advantageous effects thereof.
Disclosure of Invention
The invention aims to provide the adjustable wrench capable of quickly adjusting the opening size, which realizes the quick adjustment of the opening amount through the up-and-down movement of the worm and has the advantages of convenient use and high working efficiency. The opening amount adjusting speed is high, the clamping range is wide, and the use torque is large. The quick adjustment is realized and the function that the jaw can not fall off is realized.
In order to achieve the purpose, the adjustable wrench capable of quickly adjusting the opening size comprises a wrench body, a fixed wrench opening and a movable wrench opening, wherein the upper end of the wrench body is provided with the fixed wrench opening, the movable wrench opening corresponds to the fixed wrench opening, a rack at the lower end part of the movable wrench opening slides in a guide round hole formed in the upper end of the wrench body, the wrench body is further provided with a square hole, a worm is installed in the square hole and meshed with the rack, worm clutch mechanisms are arranged on the left side and the right side of the square hole, the worm is installed on a pin shaft, and the pin shaft is connected with the worm clutch mechanisms. The worm clutch mechanism is an elastic mechanism, and the compression distance of the elastic mechanism ensures that the worm can be completely separated from the rack at the bottom of the movable jaw. The elastic mechanism is a small spring, the upper end of the small spring is tightly connected with the pin shaft in a propping manner, and the small spring comprises a left small spring and a right small spring, wherein the left small spring is arranged in a left small spring groove formed in the left side of the square hole, and the right small spring is arranged in a right small spring groove formed in the right side of the square hole; the left small spring and the right small spring are identical in structure and are symmetrically arranged, and the left small spring groove and the right small spring groove are identical in structure and are symmetrically arranged.
The hinge pin is a transverse compression shaft which comprises a left hinge pin and a right hinge pin, the right end of the left hinge pin is connected with the left end of the right hinge pin through a large spring, and the large spring is integrally positioned in a central shaft hole of the worm.
The left end of the left pin shaft extends out of the worm central shaft hole and then extends into a left vertical long hole formed in the left side face of the square hole, the left vertical long hole is communicated with the square hole and the left small spring groove at the same time, the left end of the left pin shaft continuously extends into the left small spring groove to be connected with the upper end of the left small spring, the right end of the right pin shaft extends out of the worm central shaft hole and then extends into a right vertical long hole formed in the right side face of the square hole, the right vertical long hole is communicated with the square hole and the right small spring groove at the same time, and the right end of the right pin shaft continuously extends into the right small spring groove to be connected with the upper end of the right small; the left pin shaft and the right pin shaft are identical in structure and are symmetrically arranged.
The bottom surface of the rack of the movable wrench opening is provided with a boss close to the right end of the rack, when the worm compresses the worm clutch mechanism downwards to the bottom dead center, the spiral teeth on the worm limit the boss transversely, and when the worm rotates, the boss can be meshed with the spiral teeth on the worm.
Compared with the prior art, the invention has the following beneficial effects:
the square hole is arranged below the head of the wrench body, the worm is arranged in the square hole, the through hole is formed in the middle of the worm, the large spring penetrates through the through hole and is arranged in the middle of the worm, the left pin shaft and the right pin shaft are located at two ends of the large spring in the middle of the worm, round holes are formed in two sides of the square hole, the square hole and the round holes are grooved, the other end of the left pin shaft and the right pin shaft extend into the two round holes through the grooves, the small springs are arranged at the bottom ends of the two round holes, the left pin shaft and. When the worm is pulled down by hand to touch the bottom edge of the square hole, the left pin shaft and the right pin shaft slide downwards along the slotting part of the square hole and the round hole, the spring is compressed, the worm is separated from the wrench opening, and the wrench opening can be freely opened and closed to realize the quick adjustment of the opening amount. After the worm is loosened, the left pin shaft and the right pin shaft slide upwards along the vertical long hole arranged on the side of the square hole under the acting force of the left small spring and the right small spring, the worm is meshed with the jaw tooth shape, and the normal function of the adjustable wrench is restored. The transverse compression shaft is convenient to assemble into the vertical strip-shaped hole, and after the transverse compression shaft is assembled into the vertical strip-shaped hole, the two pin shafts penetrate into the small spring groove through the elasticity of the large spring and press the upper end of the small spring. The assembly is very convenient, and vertical rectangular hole upper end also can restrict the round pin axle upwards to deviate from moreover, has just also guaranteed that the worm can not be outside deviating from the square hole easily, very firm. When the worm is pulled down by hand to touch the bottom edge of the square hole and the opening is opened to the maximum, the boss is arranged at the bottom of the front end of the round shaft of the wrench opening and interferes with the worm, so that the function that the wrench opening cannot fall off is realized. When the worm is rotated to be not rotated, the wrench opening is slightly moved outwards, so that the boss is moved into the worm spiral groove, the worm is continuously rotated, and the wrench opening can be moved out. The invention has the advantages of reasonable design, simple structure, easy manufacture, time and labor saving, convenient use and high working efficiency, and realizes the quick adjustment of the opening amount by the up-and-down movement of the worm.
Application No.: 94211219.9A spanner with quick-change jaws features that its dual-elastic clutch is at the bottom of square hole and a bracket and a spring are used. Therefore, the structure is unstable, and the two end parts are easy to shake, so that the separation is not smooth. The invention is characterized in that grooves are formed between the spring holes and the square holes on two sides of the square hole, and the left pin shaft and the right pin shaft slide up and down in the grooves to realize the separation and combination of the wrench opening and the worm. The transverse compression shaft is convenient to assemble into the vertical strip-shaped hole, and after the transverse compression shaft is assembled into the vertical strip-shaped hole, the two pin shafts penetrate into the small spring groove through the elasticity of the large spring and press the upper end of the small spring. The assembly is very convenient, and vertical rectangular hole upper end also can restrict the round pin axle upwards to deviate from moreover, has just also guaranteed that the worm can not be outside deviating from the square hole easily, very firm.
Application No.: 91206144.8A dual-purpose quick adjustable wrench, the clutch of which is completely different from the present invention. The worm moves out of the square hole by utilizing the lever principle and is separated from the wrench opening, thereby occupying space and having heavy structure. The worm can only move up and down in the square hole, does not occupy the external space and has a stable structure.
Application No.: 97245151.X relates to a quick adjustable wrench, the limit boss of the patent only has a limit function, and the assembly sequence of the adjustable wrench is that a wrench opening is firstly installed and then a worm is installed. The boss of the present invention has not only a limiting function, but also can be used as a tooth shape on the wrench mouth, can be introduced into the spiral groove of the worm and meshed with the worm, and the assembly sequence of the boss of the present invention is that the worm is firstly installed and then the wrench mouth is installed, so that the boss on the wrench mouth is meshed with the worm, the wrench mouth can be screwed in, and conversely, the wrench mouth can be screwed out.
Drawings
FIG. 1 is a schematic view of a quick adjust opening size spanner of the present invention;
FIG. 2 is a schematic sectional view showing the engaged state of the present invention;
FIG. 3 is a schematic cross-sectional view of the invention in a disengaged condition;
FIG. 4 is a cross-sectional view of the interference between the wrench opening boss and the worm according to the present invention;
fig. 5 is a state view when the worm is fitted in the square hole by the lateral compression shaft.
In the figure: 1. the wrench comprises a fixed wrench opening, 2 a movable wrench opening, 3 a worm, 4 a left pin shaft, 5 a left small spring, 6 a large spring, 7 a right pin shaft, 8 a right small spring, 9 a boss, 10 a wrench body, 11 a guide round hole, 12 a square hole and 13 a vertical strip hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution:
the adjustable wrench capable of quickly adjusting the opening size comprises a wrench body 10, a fixed wrench opening 1 and a movable wrench opening 2, wherein the fixed wrench opening is arranged at the upper end of the wrench body, the movable wrench opening corresponds to the fixed wrench opening, a rack at the lower end of the movable wrench opening slides in a guide round hole 11 formed in the upper end of the wrench body, a square hole 12 is further formed in the wrench body, a worm 3 is installed in the square hole and meshed with the rack, worm clutch mechanisms are arranged on the left side and the right side of the square hole, the worm is installed on a pin shaft, and the pin shaft is connected with the worm clutch mechanisms. The worm clutch mechanism is an elastic mechanism, and the compression distance of the elastic mechanism ensures that the worm can be completely separated from the rack at the bottom of the movable jaw. The elastic mechanism is a small spring, the upper end of the small spring is tightly connected with the pin shaft in a propping manner, and the small spring comprises a left small spring 5 and a right small spring 8, wherein the left small spring is arranged in a left small spring groove formed in the left side of the square hole, and the right small spring is arranged in a right small spring groove formed in the right side of the square hole; the left small spring and the right small spring are identical in structure and are symmetrically arranged, and the left small spring groove and the right small spring groove are identical in structure and are symmetrically arranged.
The left end of the left pin shaft extends out of a central shaft hole of the worm and then extends into a left vertical long hole formed in the left side surface of the square hole, the left vertical long hole is communicated with the square hole and the left small spring groove, the left end of the left pin shaft continues to extend into the left small spring groove and is connected with the upper end of the left small spring, the right end of the right pin shaft extends out of the central shaft hole of the worm and then extends into a right vertical long hole formed in the right side surface of the square hole, the right vertical long hole is communicated with the square hole and the right small spring groove simultaneously, and the right end of the right pin shaft continues to extend into the right small spring groove and is connected with the upper end of the right small spring; the left pin shaft and the right pin shaft are identical in structure and are symmetrically arranged. The transverse compression shaft is convenient to assemble into the vertical strip hole, and after the transverse compression shaft is assembled, the two pin shafts enable the pin shafts to penetrate into the small spring groove through the elasticity of the large spring and press the upper end of the small spring. The assembly is very convenient, and vertical rectangular hole upper end also can restrict the round pin axle upwards to deviate from moreover, has just also guaranteed that the worm can not be outside deviating from the square hole easily, very firm. As shown in fig. 5.
A boss 9 is arranged at the position, close to the right end of the rack, of the movable wrench opening, when the worm compresses the worm clutch mechanism downwards to a bottom dead center, spiral teeth on the worm limit the boss transversely, and when the worm rotates, the boss can be meshed with the spiral teeth on the worm.
The head of the wrench body is provided with a large round hole, and the movable wrench opening 2 is inserted into the large round hole through a round shaft arranged at the bottom to be connected with the wrench body. The square hole is arranged below the head of the wrench body, the worm 3 is arranged in the square hole, the through hole is arranged in the middle of the worm 3, the large spring 6 penetrates through the through hole and is arranged in the middle of the worm 3, the left pin shaft 4 and the right pin shaft 7 are positioned at two ends of the large spring 6 in the middle of the worm 3, round holes are formed in two sides of the square hole, a groove is formed between the square hole and the round holes, one end of the left pin shaft 4 and one end of the right pin shaft 7 extend into the two round holes through the groove, the small springs 5 and 8 are placed at the bottom ends of the two round holes, the left pin shaft 4 and the. The hand pull-down worm 3 touches the bottom edge of the square hole, the left and right pin shafts 4 and 7 slide downwards along the slotting part of the square hole and the round hole, the small springs 5 and 8 compress, the worm 3 is separated from the wrench opening 2, and the wrench opening 2 can be freely opened and closed to realize the quick adjustment of the opening amount. After the worm 3 is loosened, the left pin shaft 4 and the right pin shaft 7 slide upwards along the grooves of the square holes and the round holes under the action force of the small springs 5 and 8, the worm 3 is meshed with the jaw 2 in a tooth shape, and the normal function of the adjustable wrench is recovered. When the worm 3 is pulled downwards by hand to touch the bottom edge of the square hole and the opening is opened to the maximum, the boss is arranged at the bottom of the front end of the round shaft of the wrench opening 2 and interferes with the worm 3, so that the wrench opening 2 cannot fall off, and when the worm 3 is rotated to be fixed, the wrench opening 2 is slightly moved outwards, so that the boss is moved into the spiral groove of the worm 3, the worm 3 is continuously rotated, and the wrench opening 2 can be moved out. The size of the boss is smaller than that of the spiral groove of the worm, and the distance between the boss and the adjacent jaw tooth is larger than the thread pitch of the worm, namely, the boss can be meshed with the spiral teeth on the worm when the worm rotates.
When the worm is pulled down by hand to touch the bottom edge of the square hole, the left pin shaft and the right pin shaft slide downwards along the slotting part of the square hole and the round hole, the spring is compressed, the worm is separated from the wrench opening, and the wrench opening can be freely opened and closed to realize the quick adjustment of the opening amount. After the worm is loosened, the left pin shaft and the right pin shaft slide upwards along the vertical long hole 13 arranged on the side of the square hole under the acting force of the left small spring and the right small spring, the worm is meshed with the jaw tooth shape, and the normal function of the adjustable wrench is recovered. When the worm is pulled down by hand to touch the bottom edge of the square hole and the opening is opened to the maximum, the boss is arranged at the bottom of the front end of the round shaft of the wrench opening and interferes with the worm, so that the function that the movable wrench opening cannot fall off is realized. When the worm is rotated to be not rotated, the wrench opening is slightly moved outwards, so that the boss is moved into the worm spiral groove, the worm is continuously rotated, and the wrench opening can be moved out.
The large spring and the small spring mentioned above are not specific to the size of the book, and can be used as long as the spring can be installed, so the size is not limited, and the words are only used for distinguishing different spring part names, such as the large spring can be called as the third spring, the shaft transverse spring and the like, and the left small spring can be directly called as the left spring and the like.
The invention has the advantages of reasonable design, simple structure, easy manufacture, time and labor saving, convenient use and high working efficiency, and realizes the quick adjustment of the opening amount by the up-and-down movement of the worm.
In the description of the present invention, it is to be understood that the positional indications or positional relationships are based on those shown in the drawings and are for the purpose of facilitating the description of the present invention, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The adjustable wrench capable of quickly adjusting the opening size comprises a wrench body, a fixed wrench opening and a movable wrench opening, wherein the fixed wrench opening is arranged at the upper end of the wrench body, the movable wrench opening corresponds to the fixed wrench opening, a rack at the lower end part of the movable wrench opening slides in a guide round hole formed in the upper end of the wrench body, a square hole is formed in the wrench body, a worm is installed in the square hole and meshed with the rack, and the adjustable wrench is characterized in that worm clutch mechanisms are arranged on the left side and the right side of the square hole, the worm is installed on a pin shaft, and the pin shaft is connected with the worm clutch mechanisms; the worm clutch mechanism is an elastic mechanism, and the compression distance of the elastic mechanism ensures that the worm can be completely separated from the rack at the bottom of the movable jaw; the elastic mechanism is a small spring, the upper end of the small spring is tightly connected with the pin shaft in a propping manner, and the small spring comprises a left small spring and a right small spring, wherein the left small spring is arranged in a left small spring groove formed in the left side of the square hole, and the right small spring is arranged in a right small spring groove formed in the right side of the square hole; the left small spring and the right small spring are identical in structure and are symmetrically arranged, and the left small spring groove and the right small spring groove are identical in structure and are symmetrically arranged.
2. The adjustable wrench for quickly adjusting the size of an opening according to claim 1, wherein the pin shaft is a transverse compression shaft, the transverse compression shaft comprises a left pin shaft and a right pin shaft, the right end of the left pin shaft is connected with the left end of the right pin shaft through a large spring, and the large spring is integrally positioned in a central shaft hole of the worm.
3. The adjustable wrench for quickly adjusting the opening size according to claim 2, wherein the left end of the left pin shaft extends out of the central shaft hole of the worm and then extends into a left vertical long hole formed in the left side surface of the square hole, the left vertical long hole is communicated with the square hole and the left small spring groove, the left end of the left pin shaft continuously extends into the left small spring groove and is connected with the upper end of the left small spring, the right end of the right pin shaft extends out of the central shaft hole of the worm and then extends into a right vertical long hole formed in the right side surface of the square hole, the right vertical long hole is communicated with the square hole and the right small spring groove, and the right end of the right pin shaft continuously extends into the right small spring groove and is connected with the upper end of the right small spring; the left pin shaft and the right pin shaft are identical in structure and are symmetrically arranged.
4. The adjustable wrench for quickly adjusting the size of an opening according to claim 1, 2 or 3, wherein a boss is formed on the bottom surface of the rack of the adjustable wrench opening near the right end of the adjustable wrench opening, when the worm compresses the worm clutch mechanism downwards to the bottom dead center, the spiral teeth on the worm limit the boss transversely, and when the worm rotates, the boss can be meshed with the spiral teeth on the worm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869600.4A CN110614601A (en) | 2019-09-12 | 2019-09-12 | Adjustable wrench capable of quickly adjusting opening size |
| JP2019219181A JP2021041519A (en) | 2019-09-12 | 2019-12-03 | Quick adjustable opening width monkey wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869600.4A CN110614601A (en) | 2019-09-12 | 2019-09-12 | Adjustable wrench capable of quickly adjusting opening size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110614601A true CN110614601A (en) | 2019-12-27 |
Family
ID=68923051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910869600.4A Pending CN110614601A (en) | 2019-09-12 | 2019-09-12 | Adjustable wrench capable of quickly adjusting opening size |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2021041519A (en) |
| CN (1) | CN110614601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465805A (en) * | 2021-08-02 | 2021-10-01 | 威海市威力高档工具有限公司 | Torque performance evaluation method of adjustable wrench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2709387A (en) * | 1953-06-08 | 1955-05-31 | Brynge Per Gunnar | Slidable side jaw wrench |
| CN2071109U (en) * | 1990-09-11 | 1991-02-13 | 赵文才 | Quick adjustable wrench |
| CN2092406U (en) * | 1991-06-17 | 1992-01-08 | 房建筑 | Quick loose spanner |
| CN2095068U (en) * | 1991-06-06 | 1992-02-05 | 赵文良 | Monkey wrench |
| CN2139047Y (en) * | 1992-12-03 | 1993-07-28 | 卢国骥 | Fast adjusting spanner |
| CN2291259Y (en) * | 1997-01-30 | 1998-09-16 | 杭州巨星工具有限公司 | Adjustable jaw quick-moving adjustable wrench |
| CN2301298Y (en) * | 1997-04-30 | 1998-12-23 | 卢国骥 | Side-push fast adjusting dualpurpose spanner |
| US20140190318A1 (en) * | 2011-08-05 | 2014-07-10 | Xudong Huang | Rapid adjustable wrench |
| CN210732295U (en) * | 2019-09-12 | 2020-06-12 | 威海市威力高档工具有限公司 | Monkey wrench capable of quickly adjusting opening size |
-
2019
- 2019-09-12 CN CN201910869600.4A patent/CN110614601A/en active Pending
- 2019-12-03 JP JP2019219181A patent/JP2021041519A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2709387A (en) * | 1953-06-08 | 1955-05-31 | Brynge Per Gunnar | Slidable side jaw wrench |
| CN2071109U (en) * | 1990-09-11 | 1991-02-13 | 赵文才 | Quick adjustable wrench |
| CN2095068U (en) * | 1991-06-06 | 1992-02-05 | 赵文良 | Monkey wrench |
| CN2092406U (en) * | 1991-06-17 | 1992-01-08 | 房建筑 | Quick loose spanner |
| CN2139047Y (en) * | 1992-12-03 | 1993-07-28 | 卢国骥 | Fast adjusting spanner |
| CN2291259Y (en) * | 1997-01-30 | 1998-09-16 | 杭州巨星工具有限公司 | Adjustable jaw quick-moving adjustable wrench |
| CN2301298Y (en) * | 1997-04-30 | 1998-12-23 | 卢国骥 | Side-push fast adjusting dualpurpose spanner |
| US20140190318A1 (en) * | 2011-08-05 | 2014-07-10 | Xudong Huang | Rapid adjustable wrench |
| CN210732295U (en) * | 2019-09-12 | 2020-06-12 | 威海市威力高档工具有限公司 | Monkey wrench capable of quickly adjusting opening size |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465805A (en) * | 2021-08-02 | 2021-10-01 | 威海市威力高档工具有限公司 | Torque performance evaluation method of adjustable wrench |
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| Publication number | Publication date |
|---|---|
| JP2021041519A (en) | 2021-03-18 |
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