CN115533798A - Open end wrench convenient to adjust - Google Patents
Open end wrench convenient to adjust Download PDFInfo
- Publication number
- CN115533798A CN115533798A CN202211028396.1A CN202211028396A CN115533798A CN 115533798 A CN115533798 A CN 115533798A CN 202211028396 A CN202211028396 A CN 202211028396A CN 115533798 A CN115533798 A CN 115533798A
- Authority
- CN
- China
- Prior art keywords
- block
- wrench
- open end
- fixedly connected
- jaw block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Images
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
-
- 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
- B25B13/58—Jaw attachments
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to the field of disassembling tools, in particular to an open end wrench convenient to adjust. The technical problem is as follows: the existing open end wrench has single function, and the specification of an object cannot be positioned at one time by a manual adjusting mode, so that the working efficiency is influenced. The technical scheme of the invention is as follows: an opening wrench convenient to adjust comprises a wrench handle, a fixed wrench opening block and the like; the front part of the clamp handle is fixedly connected with a fixed clamp opening block. The invention can complete all functions of the existing wrench, simultaneously solves the problem that the clamping width of the wrench is difficult to accurately adjust by hands in special environment, designs two movable clamping blocks, realizes one-time accurate positioning and clamping, abandons the clamping mode of the existing wrench in a transverse push-in mode, reduces the abrasion to the surface of the nut, and effectively solves the problem that the adjustment needs to be manually taken for many times; meanwhile, the clamp handle is ensured not to touch the surface of an object in the rotating process, and the storage volume is reduced under the condition of not losing the clamping function.
Description
Technical Field
The invention relates to the field of disassembling tools, in particular to an open end wrench convenient to adjust.
Background
The existing open spanner has single function and is a manual adjusting mode, when a narrow working area is faced, the existing open spanner is difficult to realize accurate adjustment, a worker needs to prepare the clamping width in advance according to the specification of a nut, the adjusting mode is slow and difficult to calibrate at one time, the spanner and the nut are dislocated in the screwing process due to large calibrating width, the spanner is easy to separate from the nut and damage the surface of the nut, the surface protective layer of the nut is damaged, and the corrosion of the nut can be accelerated; when the calibration width is too small, clamping cannot be realized, secondary withdrawal is needed, and then width adjustment is carried out, and inconvenience is caused; for equipment with larger volume, the equipment often has a larger working plane, the situation that the installation position of the nut is in a central area deviated to the working plane can occur, at the moment, the distance between the nut and the edge of the working plane exceeds the length of the open spanner, and the nut is inevitably in a state of being very close to the working plane after being installed, so that the spanner also needs to be very close to the working plane no matter the nut is screwed down or unscrewed by the spanner.
Disclosure of Invention
In order to overcome the defects that the existing open spanner has single function, the specification of an object cannot be positioned at one time in a manual adjusting mode, and the working efficiency is influenced, the invention provides the open spanner convenient to adjust.
The technical scheme of the invention is as follows: an opening wrench convenient to adjust comprises a wrench handle, a fixed jaw block, an adjusting worm, a movable tooth and a movable jaw block; the right part of the clamp handle is fixedly connected with a fixed jaw block; the fixed jaw block is connected with a movable jaw block in a sliding manner; the inner part of the fixed jaw block is rotatably connected with an adjusting worm for driving the movable jaw block to move; the left part of the movable jaw block is provided with a movable tooth for adaptively matching with the adjusting worm; the device also comprises a clamping block, a screw rod and a linkage block; the fixed jaw block and the movable jaw block are respectively and rotatably connected with two linkage blocks; a screw rod is fixedly connected between the two linkage blocks on the same jaw block; each screw rod is rotatably connected with a clamping block; the two clamping blocks respectively slide on the corresponding jaw blocks;
the outer surface of the clamp handle is fixedly connected with a layer of rubber anti-slip pad.
As a preferred technical scheme of the invention, the two side surfaces of the fixed jaw block are provided with scale grooves for auxiliary positioning.
As a preferred technical scheme of the invention, the fixture block is made of hard alloy steel.
As a preferred technical scheme of the invention, the linkage block is provided with a hexagonal slotted hole.
As a preferred technical scheme of the invention, the device also comprises a power transmission mechanism; the lower surface of the clamp handle is connected with a power transmission mechanism which drives the adjusting worm to rotate; the power transmission mechanism comprises a protection box, an electric telescopic piece, a connecting block, a rack, a connecting shaft, a flat gear, a first transmission wheel and a second transmission wheel; the lower surface of the clamp handle is fixedly connected with a protection box; an electric telescopic piece is arranged in the protection box; the telescopic part of the electric telescopic piece is fixedly connected with a connecting block; a rack is fixedly connected to the right part of the connecting block; the rack is connected with the protection box in a sliding way; the right part of the lower surface of the forceps handle is rotatably connected with a connecting shaft; a flat gear and a first transmission wheel are fixedly connected to the connecting shaft, and the flat gear is positioned below the first transmission wheel; the lower part of the adjusting worm is fixedly connected with a second driving wheel; the outer ring surface of the first driving wheel is in transmission connection with a second driving wheel through a belt; the rack is meshed with the flat gear.
In a preferred embodiment of the present invention, the electric telescopic member is a small hydraulic cylinder.
As a preferred technical scheme of the invention, a sealing shell is fixedly connected to the front side and the rear side of the lower part of the fixed jaw block respectively, and the sealing shell is positioned on the outer side of the second transmission wheel.
As a preferred technical scheme of the invention, the left part of the clamp handle is provided with a power distribution installation bag for providing energy; the upper surface of the forceps handle is provided with a double electric switch.
Has the beneficial effects that: the invention can complete all functions of the existing wrench, simultaneously solves the problem that the clamping width of the wrench is difficult to accurately adjust by hands in special environment, designs two movable clamping blocks, realizes one-time accurate positioning and clamping, abandons the clamping mode of the existing wrench in a transverse push-in mode, reduces the abrasion to the surface of the nut, and effectively solves the problem that the adjustment needs to be manually taken for many times; meanwhile, the clamp handle is ensured not to touch the surface of an object in the rotating process, and the storage volume is reduced under the condition of not losing the clamping function.
Drawings
FIG. 1 is a schematic perspective view of an adjustable open end wrench according to the present invention;
FIG. 2 is a schematic view of a portion of an adjustable open end wrench according to the present invention;
FIG. 3 is a partial cross-sectional view of the open end wrench of the present invention to facilitate adjustment;
fig. 4 is an enlarged schematic view of region G in fig. 2.
Wherein: 1-a forceps handle, 2-a fixed jaw block, 3-an adjusting worm, 4-a movable tooth, 5-a movable jaw block, 6-a clamping block, 7-a screw rod, 8-a linkage block, 9-a power distribution installation package, 10-a double electric switch, 11-a protection box, 12-an electric expansion piece, 13-a connecting block, 14-a rack, 15-a connecting shaft, 16-a flat gear, 17-a first driving wheel, 18-a sealing shell and 19-a second driving wheel.
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.
Examples
An open end wrench convenient for adjustment, as shown in fig. 1-4, comprises a wrench handle 1, a fixed jaw block 2, an adjusting worm 3, a movable tooth 4 and a movable jaw block 5; the right part of the clamp handle 1 is fixedly connected with a fixed clamp opening block 2; the fixed jaw block 2 is connected with a movable jaw block 5 in a sliding way; the fixed jaw block 2 is internally and rotatably connected with an adjusting worm 3 for driving the movable jaw block 5 to move; the left part of the movable jaw block 5 is provided with a movable tooth 4 which is used for adaptively matching with the adjusting worm 3;
the device also comprises a clamping block 6, a screw rod 7 and a linkage block 8; the fixed jaw block 2 and the movable jaw block 5 are respectively and rotatably connected with two linkage blocks 8; a screw rod 7 is fixedly connected between two linkage blocks 8 on the same jaw block; each screw rod 7 is connected with a fixture block 6 in a screwing way; the two clamping blocks 6 respectively slide on the corresponding jaw blocks.
The outer surface of the clamp handle 1 is fixedly connected with a layer of rubber anti-skid pad.
The surfaces of two sides of the fixed jaw block 2 are provided with scale grooves for auxiliary positioning.
The fixture block 6 is made of hard alloy steel.
The linkage block 8 is provided with a hexagonal slotted hole.
Also comprises a power transmission mechanism; the lower surface of the clamp handle 1 is connected with a power transmission mechanism which drives the adjusting worm 3 to rotate; the power transmission mechanism comprises a protection box 11, an electric telescopic piece 12, a connecting block 13, a rack 14, a connecting shaft 15, a flat gear 16, a first transmission wheel 17 and a second transmission wheel 19; the lower surface of the clamp handle 1 is connected with a protection box 11 through bolts; an electric telescopic piece 12 is arranged in the protection box 11; the expansion part of the electric expansion piece 12 is fixedly connected with a connecting block 13; a rack 14 is fixedly connected to the right part of the connecting block 13; the rack 14 is connected with the protection box 11 in a sliding way; the right part of the lower surface of the forceps handle 1 is rotatably connected with a connecting shaft 15; a flat gear 16 and a first driving wheel 17 are fixedly connected to the connecting shaft 15, and the flat gear 16 is positioned below the first driving wheel 17; a second transmission wheel 19 is fixedly connected with the lower part of the adjusting worm 3; the outer ring surface of the first driving wheel 17 is connected with a second driving wheel 19 through a belt; the rack 14 is intermeshed with a spur gear 16.
The electric telescopic element 12 is a small hydraulic cylinder.
The front side and the rear side of the lower part of the fixed jaw block 2 are respectively connected with a sealing shell 18 through bolts, and the sealing shells 18 are positioned on the outer side of the second transmission wheel 19.
The left part of the clamp handle 1 is provided with a power distribution installation bag 9 for providing energy; the upper surface of the forceps handle 1 is provided with a double electric switch 10.
When the open spanner convenient to adjust can finish the basic functions of the existing spanner, when the open spanner is used, a user holds the clamp handle 1 provided with the anti-skid rubber pad on the surface and pushes the clamp handle towards the direction of a nut, only the clamping block 6 on the fixed clamp opening block 2 contacts the side surface of the nut first to keep the surface of the clamping block 6 attached to the side surface of the nut, then the user presses a button of the double electric switches 10, at the moment, the power distribution installation package 9 supplies power to the electric telescopic part 12, the telescopic part of the electric telescopic part 12 retracts, the telescopic part of the electric telescopic part 12 drives the connected parts on the electric telescopic part to move together, the rack 14 drives the flat gear 16 in the following movement process, when the rack is seen from top to bottom, the flat gear 16 rotates anticlockwise, the flat gear 16 then drives the connecting shaft 15, the connecting shaft 15 drives the first driving wheel 17 to drive the second driving wheel 19 through the first driving wheel 17, the second driving wheel 19 drives the adjusting worm 3 to rotate, the adjusting worm 3 is matched with the moving teeth 4, therefore, the moving teeth 4 drive the movable clamp opening block 5 to approach the fixed clamp opening block 2, and the clamping block 6 on the movable clamp opening block 5 contacts the side surface of the nut in the following movement process; the freedom degree of the clamping block 6 on the fixed jaw block 2 is one, but the freedom degree of the clamping block 6 on the movable jaw block 5 is two, so that the clamping block 6 on the fixed jaw block 2 is used for realizing the primary positioning of the side surface of the nut, the clamping block 6 on the movable jaw block 5 is used for realizing one-time accurate positioning and clamping, the transversely pushing-in type clamping mode of the existing wrench is abandoned, the abrasion to the surface of the nut is reduced, and the problem that the nut needs to be manually taken and adjusted for many times is effectively solved; after clamping is completed, the double electric switches 10 are loosened, and then nuts are disassembled or installed according to normal operation of screwing the wrench; after the movement of the effective range is finished, the double electric switch 10 is provided with double thread control, the movable jaw block 5 can move towards the direction far away from the fixed jaw block 2 by pressing a finger on another button, and the subsequent operation is consistent with the above operation until the nut is dismounted or mounted; for equipment with a large size, a large working plane is usually arranged on the equipment, the nut installation position is in a state of being deviated to the center area of the working plane, at the moment, the distance between the nut and the edge of the working plane exceeds the length of the open spanner, and the nut is inevitably in a state of being very close to the working plane after being installed, so that the spanner is also required to be very close to the working plane no matter the nut is screwed down or loosened by the spanner, in such a case, a user uses a normal holding posture, the space between the spanner and the working plane hardly accommodates the fingers of the user, the user has to change the holding posture to further cause difficulty in exerting force, the screwing work of the nut is hindered, at the moment, the user firstly uses a tool to screw the linkage blocks 8 on the fixed jaw block 2 and the movable jaw block 5, the rotating linkage blocks 8 drive the corresponding screw rods 7 to rotate, the rotating processes of the two screw rods 7 respectively drive one fixture block 6 to move backwards, the fixture block 6 extends backwards to extend out of the handle 1 for a distance, the movement design of the fixture block 6 also expands the range of the spanner under the condition that the function of the spanner, the clamp is in the same way that the conventional storage space for storing the clamp, and the clamp 6 is not required by the common spanner, and the storage space for storing the storage of the traditional spanner, and the clamp, and the storage container can be convenient for storing the storage of the storage container.
It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (8)
1. An open end wrench convenient to adjust comprises a wrench handle (1), a fixed jaw block (2), an adjusting worm (3), a movable tooth (4) and a movable jaw block (5); the right part of the clamp handle (1) is fixedly connected with a fixed jaw block (2); the fixed jaw block (2) is connected with a movable jaw block (5) in a sliding way; an adjusting worm (3) for driving the movable jaw block (5) to move is rotatably connected in the fixed jaw block (2); the left part of the movable jaw block (5) is provided with a movable tooth (4) which is used for being adaptively matched with the adjusting worm (3); the method is characterized in that: the device also comprises a clamping block (6), a screw rod (7) and a linkage block (8); the fixed jaw block (2) and the movable jaw block (5) are respectively connected with two linkage blocks (8) in a rotating way; a screw rod (7) is fixedly connected between two linkage blocks (8) on the same jaw block; each screw rod (7) is rotatably connected with a clamping block (6); the two clamping blocks (6) respectively slide on the corresponding jaw blocks;
the outer surface of the clamp handle (1) is fixedly connected with a layer of rubber anti-slip pad.
2. An adjustable open end wrench as claimed in claim 1, wherein: the surfaces of the two sides of the fixed jaw block (2) are provided with scale grooves for auxiliary positioning.
3. An adjustable open end wrench as claimed in claim 1, wherein: the fixture block (6) is made of hard alloy steel.
4. An adjustable open end wrench as claimed in claim 1, wherein: the linkage block (8) is provided with a hexagonal slotted hole.
5. An adjustable open end wrench as claimed in claim 4, wherein: also comprises a power transmission mechanism; the lower surface of the clamp handle (1) is connected with a power transmission mechanism which drives the adjusting worm (3) to rotate; the power transmission mechanism comprises a protection box (11), an electric telescopic piece (12), a connecting block (13), a rack (14), a connecting shaft (15), a flat gear (16), a first transmission wheel (17) and a second transmission wheel (19); the lower surface of the clamp handle (1) is fixedly connected with a protection box (11); an electric telescopic piece (12) is arranged in the protection box (11); the telescopic part of the electric telescopic piece (12) is fixedly connected with a connecting block (13); a rack (14) is fixedly connected to the right part of the connecting block (13); the rack (14) is connected with the protection box (11) in a sliding way; the right part of the lower surface of the clamp handle (1) is rotatably connected with a connecting shaft (15); a flat gear (16) and a first driving wheel (17) are fixedly connected to the connecting shaft (15), and the flat gear (16) is positioned below the first driving wheel (17); a second transmission wheel (19) is fixedly connected with the lower part of the adjusting worm (3); the outer ring surface of the first driving wheel (17) is connected with a second driving wheel (19) through a belt in a driving way; the rack (14) is meshed with the flat gear (16).
6. An adjustable open end wrench as claimed in claim 5, wherein: the electric telescopic element (12) is a small hydraulic cylinder.
7. An adjustable open end wrench as claimed in claim 6, wherein: the front side and the rear side of the lower part of the fixed jaw block (2) are respectively fixedly connected with a sealing shell (18), and the sealing shells (18) are positioned on the outer side of the second transmission wheel (19).
8. An adjustable open end wrench as claimed in claim 1, wherein: the left part of the clamp handle (1) is provided with a power distribution installation bag (9) for providing energy; the upper surface of the forceps handle (1) is provided with a double electric switch (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211028396.1A CN115533798A (en) | 2022-08-25 | 2022-08-25 | Open end wrench convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211028396.1A CN115533798A (en) | 2022-08-25 | 2022-08-25 | Open end wrench convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115533798A true CN115533798A (en) | 2022-12-30 |
Family
ID=84726508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211028396.1A Pending CN115533798A (en) | 2022-08-25 | 2022-08-25 | Open end wrench convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115533798A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB863494A (en) * | 1958-08-21 | 1961-03-22 | Diamond Tool And Horseshoe Co | Slidable jaw wrench with worm locking means |
| US20040129117A1 (en) * | 2001-02-08 | 2004-07-08 | Gernot Hirse | Spanner |
| CN201077038Y (en) * | 2007-06-12 | 2008-06-25 | 黄根柳 | Electric wrench |
| US20100282033A1 (en) * | 2007-03-05 | 2010-11-11 | American Grease Stick Company | Hand operated gripping tool |
| US20180178358A1 (en) * | 2016-12-22 | 2018-06-28 | Muro Corporation | Screw rope for use in successive screw clamping machine |
| CN208034534U (en) * | 2018-01-27 | 2018-11-02 | 山西裕鼎精密科技有限公司 | Spanner |
| CN208744668U (en) * | 2018-07-17 | 2019-04-16 | 安晓晖 | A kind of flight-line maintenance spanner suitable for multiple screws disassembly |
| CN209954554U (en) * | 2019-04-16 | 2020-01-17 | 宁波东全智能科技有限公司 | Adjustable clamping piece and hand tool |
| CN210850021U (en) * | 2019-09-20 | 2020-06-26 | 广东电网有限责任公司 | Novel spanner is used in electric power construction |
| CN112092000A (en) * | 2020-10-21 | 2020-12-18 | 王燊 | Manipulator jaw adjusting rod for loading and unloading |
| CN212706464U (en) * | 2020-06-10 | 2021-03-16 | 建湖金峰机械有限公司 | Sleeve device for engineering machinery machining |
| CN215318363U (en) * | 2020-08-13 | 2021-12-28 | 连云港源钰金属制品有限公司 | High-strength precision casting |
-
2022
- 2022-08-25 CN CN202211028396.1A patent/CN115533798A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB863494A (en) * | 1958-08-21 | 1961-03-22 | Diamond Tool And Horseshoe Co | Slidable jaw wrench with worm locking means |
| US20040129117A1 (en) * | 2001-02-08 | 2004-07-08 | Gernot Hirse | Spanner |
| US20100282033A1 (en) * | 2007-03-05 | 2010-11-11 | American Grease Stick Company | Hand operated gripping tool |
| CN201077038Y (en) * | 2007-06-12 | 2008-06-25 | 黄根柳 | Electric wrench |
| US20180178358A1 (en) * | 2016-12-22 | 2018-06-28 | Muro Corporation | Screw rope for use in successive screw clamping machine |
| CN208034534U (en) * | 2018-01-27 | 2018-11-02 | 山西裕鼎精密科技有限公司 | Spanner |
| CN208744668U (en) * | 2018-07-17 | 2019-04-16 | 安晓晖 | A kind of flight-line maintenance spanner suitable for multiple screws disassembly |
| CN209954554U (en) * | 2019-04-16 | 2020-01-17 | 宁波东全智能科技有限公司 | Adjustable clamping piece and hand tool |
| CN210850021U (en) * | 2019-09-20 | 2020-06-26 | 广东电网有限责任公司 | Novel spanner is used in electric power construction |
| CN212706464U (en) * | 2020-06-10 | 2021-03-16 | 建湖金峰机械有限公司 | Sleeve device for engineering machinery machining |
| CN215318363U (en) * | 2020-08-13 | 2021-12-28 | 连云港源钰金属制品有限公司 | High-strength precision casting |
| CN112092000A (en) * | 2020-10-21 | 2020-12-18 | 王燊 | Manipulator jaw adjusting rod for loading and unloading |
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