CN106041802A - Monkey wrench - Google Patents
Monkey wrench Download PDFInfo
- Publication number
- CN106041802A CN106041802A CN201610525236.6A CN201610525236A CN106041802A CN 106041802 A CN106041802 A CN 106041802A CN 201610525236 A CN201610525236 A CN 201610525236A CN 106041802 A CN106041802 A CN 106041802A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- gear
- work portion
- work
- oral area
- 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.)
- Granted
Links
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
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
- B25B13/20—Arrangements for locking the jaws
- B25B13/22—Arrangements for locking the jaws by ratchet action or toothed bars
Abstract
The invention relates to a monkey wrench. The monkey wrench comprises a handle portion and a work portion connected with the handle portion; a cavity is formed in the work portion, a strip-shaped groove opening communicated with the cavity is formed in the edge of the end, away from the handle portion, of the work portion, a fixed jaw portion is arranged on the edge of one side end of the groove opening, a movable jaw portion opposite to the fixed jaw portion is arranged in the groove opening in a sliding manner, and a pressing rod mechanism driving the movable jaw portion to slide along the groove opening is arranged on the side, close to the handle portion, of the work portion; the pressing rod mechanism is connected with an elastic reset mechanism driving the movable jaw portion to be reset; a rack is arranged on the side edge, connected with the movable jaw portion and located in the cavity, of the movable jaw portion, a gear is rotatably arranged in the cavity, and the gear is engaged with the rack; and a locking mechanism is connected to the gear. The movable jaw portion is adjusted through the pressing rod mechanism, a rack and gear mechanism and the locking mechanism are used for locking the movable jaw portion, and the condition that in the use process, the wrench loosens, and work is interrupted is avoided.
Description
Technical field
The present invention relates to spanner field, be especially a kind of shfting wrench.
Background technology
The moving jaw of existing shfting wrench generally uses the regulative mode that tooth bar coordinates with screw rod, needs spanner
Jaw turn screw rod again after nut (or stud) to be regulated so that the aperture of jaw and nut (or stud) mutually
Causing, handle turn nut (or stud) of rotating spanner then, in the process, the easy stress of screw rod occurs to loosen, thus
After causing operation a period of time, there is skidding between jaw and nut (or stud), need to readjust moving jaw
It is further continued for operation.
Summary of the invention
Present invention aim at solve the problems referred to above, it is provided that a kind of shfting wrench with lockable mechanism, specifically by with
Lower technical scheme realizes:
A kind of shfting wrench, including handle portion and the work portion that is connected to handle portion one end, arranges free in described work portion
Chamber, and the portion that works is provided with the notch of the bar shaped connected with described cavity, described groove away from the edge, one end of described handle portion
One side end edge of mouth, along being provided with fixation clamps oral area, slides in described notch and is provided with the activity relative with described fixation clamps oral area
Nip part, described work portion is provided with near the side of described handle portion and drives described adjustable clamp oral area to slide along described notch
Pressure lever mechanism, described pressure lever mechanism connects the flexible restoring organ driving described adjustable clamp oral area to reset；Described moving jaw
The side that the described moving jaw portion that portion connects is positioned at described cavity is set to tooth bar, is rotatably provided with tooth in described cavity
Take turns, and this gear engages with described tooth bar；Described gear connects a lockable mechanism.
Described shfting wrench, its further design is, described pressure lever mechanism includes by lever and driving lever, described quilt
One end of lever is hinged with described work portion, and its other end is hinged with described adjustable clamp oral area；The middle part of described driving lever and institute
Stating by the middle part of lever hinged, its one end is positioned at the cavity in described work portion and offsets with the medial wall in work portion, and it is another
One end extends outside described cavity and forms the control handle being positioned at described handle portion side；Should towards the pressing of described handle portion direction
Control handle, described adjustable clamp oral area moves along described notch to described fixation clamps oral area under by the driving of lever.
Described shfting wrench, its further design is, described flexible restoring organ is return spring sheet, this return bullet
One end of reed is fixedly connected on described work portion, and its other end elasticity contacts at described by the middle part of lever.
Described shfting wrench, its further design is, described lockable mechanism includes ratchet, ratchet, push rod, friction
Dish, swing arm, torsion spring, extension spring, described ratchet is coaxially connected with described gear, and one end of described ratchet is provided with adjusting knob, its
The other end is the hinged end hinged with the inwall in described work portion, and described hinged end extends obliquely out to the side of ratchet body
Forming ratchet pawl reset portion, described ratchet pawl reset portion is connected with the inwall elasticity in work portion by extension spring, thus ratchet is made at pulling force
It is engaged with lower and described ratchet；Described frictional disk is arc-shaped, and this frictional disk is connected to one end of described swing arm, described swing
The middle part of bar is rotatablely arranged at inside, described work portion and the inner side making described frictional disk and described tooth by torsion spring
The rotating shaft of wheel is relative；Being provided with chute between described swing arm and described ratchet, described push rod is slidably arranged in described chute,
The two ends of push rod are relative with described swing arm, ratchet respectively；Under the active force of extension spring, when ratchet is labelled on described ratchet,
The side portion of ratchet promotes described push rod, and push rod is oppressed described swing arm and described frictional disk is held tightly in the rotating shaft of gear；
Reversely promote described adjusting knob so that when ratchet overcomes the pulling force of extension spring away from described ratchet, swing arm is under the effect of torsion spring
Frictional disk is made to leave the rotating shaft of described gear.
Described shfting wrench, its further design is, the sidewall in described work portion offers and described adjusting knob phase
The gathering sill of corresponding arc, one end of described adjusting knob extends to the outside in work portion in described cavity via gathering sill.
Described shfting wrench, its further design is, the middle part of described adjusting knob is axially disposed screwed hole, should
Screwed hole female thread connects has positioning pin column, the inwall in work portion to be provided with the positioning pit corresponding with the end of positioning pin column
Groove, when described ratchet is engaged with ratchet, positioning pin column described in turn makes its end enter in the pit of described location.
Described shfting wrench, its further design is, the rotating shaft of described gear passes the sidewall in described work portion, its
Being positioned at the connection of the end outside work portion has pointer, the outer wall in described work portion that all sides of described pointer are provided with jaw opening
Graduated disc.
The present invention is adjusted to adjustable clamp oral area and utilizes rack and pinion mechanism and locking machine by pressure lever mechanism
Structure carries out locking to adjustable clamp oral area, it is to avoid spanner in use occurs to loosen thus the situation of interruption operation occurs；
Utilize and formed described pressure lever mechanism by lever, driving lever so that the regulation to adjustable clamp oral area is more convenient；Utilize spring
Sheet completes the reset work of adjustable clamp oral area so that nut that adjustable clamp oral area can quickly regulate to different size (or spiral shell
Post) corresponding open state；Use ratchet and pawl arrangement can regulate in the span of jaw of spanner as the composition of lockable mechanism
Auto lock adjustable clamp oral area after putting in place, and utilize the frictional disk with ratchet linkage can hold rotating shaft i.e. the spine of gear tightly
The rotating shaft of wheel, thus avoid workpiece to the counteracting force of jaw of spanner bigger time ratchet and pawl arrangement destroyed；By adjusting
Joint button arranges positioning pin column, may further ensure that the lockable mechanism locking power to moving jaw；By the rotating shaft at gear
End arranges pointer, and is arranged at, in work portion, the graduated disc that pointer is corresponding to the regulation work of adjustable clamp oral area without
Can need to complete in the case for the treatment of turn workpiece comparison.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is adjustable clamp oral area structural representation of pressure lever mechanism when being in original state.
Fig. 3 is adjustable clamp oral area structural representation of pressure lever mechanism when fixation clamps oral area.
Fig. 4 is the structural representation of lockable mechanism.
Detailed description of the invention
Below in conjunction with embodiment and Figure of description, the present invention is further described:
As Figure 1-4, this shfting wrench includes handle portion 1 and is connected to the work portion 2 of handle portion 1 one end, in work portion
It is provided with cavity, and the portion 2 that works is provided with the notch of the bar shaped connected with cavity, notch away from the edge, one end of handle portion 1
A side end edge along being provided with fixation clamps oral area 3, slide in notch and be provided with the adjustable clamp oral area 4 relative with fixation clamps oral area,
Work portion is provided with the pressure lever mechanism 5 driving adjustable clamp oral area to slide along notch near the side of handle portion, and pressure lever mechanism 5 connects
There is the flexible restoring organ 6 driving adjustable clamp oral area to reset；The moving jaw portion that adjustable clamp oral area 4 connects is positioned at the side of cavity
While be set to tooth bar 41, in cavity, rotatably it is provided with gear 42, and the engagement of this wheel and rack；Gear connects a locking
Mechanism 7.It is adjusted and utilize rack and pinion mechanism and lockable mechanism to activity adjustable clamp oral area by pressure lever mechanism
Nip part carries out locking, it is to avoid spanner in use occurs to loosen thus the situation of interruption operation occurs.
Pressure lever mechanism 5 includes by lever 51 and driving lever 52, hinged with work portion by one end of lever 51, its other end with
Adjustable clamp oral area 4 is hinged；The middle part of driving lever 52 is hinged with by the middle part of lever 51, and its one end is positioned at the cavity in work portion also
And offset with the medial wall in work portion 2, its other end extends outside cavity and forms the control handle being positioned at handle portion side
521；Press this control handle 521 towards handle portion direction, adjustable clamp oral area 4 under by the driving of lever 51 along notch to fixation clamps
Oral area 3 moves.Utilize and formed described pressure lever mechanism by lever, driving lever so that the regulation to adjustable clamp oral area is convenient soon
Prompt.
Flexible restoring organ 6 is return spring sheet, and one end of this return spring sheet is fixedly connected on work portion 2, its another
End elasticity contacts at by the middle part of lever 51.Spring leaf is utilized to complete the reset work of adjustable clamp oral area so that adjustable clamp oral area
The open state that the nut (or stud) that can quickly regulate to different size is corresponding.
Lockable mechanism 7 includes ratchet 71, ratchet 72, extension spring 73, push rod 74, frictional disk 75, swing arm 76, torsion spring 77, spine
Wheel 71 is coaxially connected with gear 42, and one end of ratchet 72 is provided with adjusting knob 78, and its other end is hinged with the inwall in work portion
Hinged end, and hinged end extends obliquely out formation ratchet pawl reset portion 721 to the side of ratchet body, and ratchet pawl reset portion 721 leads to
Cross extension spring 73 to be connected with the inwall elasticity in work portion 2, thus ratchet 72 is engaged with ratchet 71 under a stretching force；Frictional disk 75 in
Arc-shaped, this frictional disk 75 is connected to one end of swing arm, and the middle part of swing arm 76 is rotatablely arranged at work by torsion spring 77
The portion that makees is internal and makes the inner side of frictional disk 75 relative with the rotating shaft of gear 42；Chute it is provided with between swing arm and ratchet
79, push rod 74 is slidably arranged in chute 79, and the two ends of push rod are relative with swing arm 76, ratchet 72 respectively；Effect in extension spring
Under power, when being labelled on ratchet by ratchet, the side portion of ratchet promotes push rod, push rod compressing swing arm that frictional disk is held tightly at tooth
In the rotating shaft of wheel；Reversely promote adjusting knob so that when ratchet overcomes the pulling force of extension spring away from ratchet, swing arm is in the effect of torsion spring
Under make frictional disk leave the rotating shaft of gear.Employing ratchet and pawl arrangement can be at the jaw of spanner as the composition of lockable mechanism
Aperture regulates auto lock adjustable clamp oral area after putting in place, and utilizes the frictional disk with ratchet linkage can hold the rotating shaft of gear tightly
The namely rotating shaft of ratchet, thus avoid workpiece to the counteracting force of jaw of spanner bigger time ratchet and pawl arrangement destroyed.
The sidewall in work portion 2 offers the gathering sill 21 of the arc corresponding with adjusting knob, and one end of adjusting knob 78 is from empty
Intracavity extends to the outside in work portion via gathering sill.
The middle part of adjusting knob 78 is axially disposed screwed hole, and this screwed hole female thread connects positioning pin column 70, work
The inwall in portion is provided with the location pit corresponding with the end of positioning pin column, when ratchet is engaged, turn with ratchet
Positioning pin column makes its end enter in location pit (unmarked in figure).By arranging positioning pin column in adjusting knob, permissible
Further ensure that the lockable mechanism locking power to moving jaw.
The rotating shaft of gear 42 is through the sidewall in work portion, and its end connection being positioned at outside work portion has pointer 43, work
The outer wall in portion is provided with jaw opening graduated disc 44 in all sides of pointer.
By arranging pointer in the roller end of gear, and it is arranged at, in work portion, the graduated disc that pointer is corresponding so that
To the regulation work of adjustable clamp oral area without completing in the case for the treatment of turn workpiece comparison.
Claims (7)
1. a shfting wrench, including handle portion and the work portion that is connected to handle portion one end, it is characterised in that described work
It is provided with cavity in portion, and the portion that works is provided with the bar shaped that connects with described cavity away from the edge, one end of described handle portion
Notch, a side end edge of described notch, along being provided with fixation clamps oral area, slides in described notch and is provided with and described regular jaw
The adjustable clamp oral area that portion is relative, described work portion is provided with the described adjustable clamp oral area of driving along institute near the side of described handle portion
Stating the pressure lever mechanism that notch slides, described pressure lever mechanism connects the flexible restoring organ driving described adjustable clamp oral area to reset；
The side that the described moving jaw portion that described adjustable clamp oral area connects is positioned at described cavity is set to tooth bar, can in described cavity
Rotation is provided with gear, and this gear engages with described tooth bar；Described gear connects a lockable mechanism.
Shfting wrench the most according to claim 1, it is characterised in that described pressure lever mechanism includes by lever and driving lever,
Described hinged with described work portion by one end of lever, its other end is hinged with described adjustable clamp oral area；In described driving lever
Portion is hinged by the middle part of lever with described, its one end be positioned at described work portion cavity and with the medial wall phase in work portion
Supporting, its other end extends outside described cavity and forms the control handle being positioned at described handle portion side；Towards described handle portion side
To pressing this control handle, described adjustable clamp oral area moves along described notch to described fixation clamps oral area under by the driving of lever
Dynamic.
Shfting wrench the most according to claim 2, it is characterised in that described flexible restoring organ is return spring sheet, should
One end of return spring sheet is fixedly connected on described work portion, and its other end elasticity contacts at described by the middle part of lever.
Shfting wrench the most according to claim 1, it is characterised in that described lockable mechanism include ratchet, ratchet, push rod,
Frictional disk, swing arm, torsion spring, extension spring, described ratchet is coaxially connected with described gear, and one end of described ratchet is provided with regulation
Button, its other end is the hinged end hinged with the inwall in described work portion, and described hinged end is to a skew back of ratchet body
Forming ratchet pawl reset portion to extending, described ratchet pawl reset portion is connected with the inwall elasticity in work portion by extension spring, thus ratchet exists
It is engaged with described ratchet under pulling force effect；Described frictional disk is arc-shaped, and this frictional disk is connected to one end of described swing arm, institute
State the middle part of swing arm by torsion spring be rotatablely arranged at described work portion internal and make the inner side of described frictional disk with
The rotating shaft of described gear is relative；Being provided with chute between described swing arm and described ratchet, described push rod is slidably arranged in described
In chute, the two ends of push rod are relative with described swing arm, ratchet respectively；Under the active force of extension spring, ratchet is labelled to described spine
Time on wheel, the side portion of ratchet promotes described push rod, and push rod is oppressed described swing arm and described frictional disk is held tightly at gear
In rotating shaft；Reversely promote described adjusting knob so that when ratchet overcomes the pulling force of extension spring away from described ratchet, swing arm is at torsion spring
Frictional disk is made to leave the rotating shaft of described gear under effect.
Shfting wrench the most according to claim 4, it is characterised in that the sidewall in described work portion offers and described regulation
The gathering sill of the arc that button is corresponding, one end of described adjusting knob extends to outside work portion via gathering sill in described cavity
Side.
Shfting wrench the most according to claim 5, it is characterised in that the middle part of described adjusting knob is axially disposed screw thread
Hole, this screwed hole female thread connects has positioning pin column, the inwall in work portion to be provided with determine corresponding with the end of positioning pin column
Position pit, when described ratchet is engaged with ratchet, positioning pin column described in turn makes its end enter described positioning pit
In groove.
Shfting wrench the most according to claim 1, it is characterised in that the rotating shaft of described gear is through the side in described work portion
Wall, its end connection being positioned at outside work portion has pointer, the outer wall in described work portion that all sides of described pointer are provided with pincers
Mouth opening graduated disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525236.6A CN106041802B (en) | 2016-07-06 | 2016-07-06 | A kind of shfting wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525236.6A CN106041802B (en) | 2016-07-06 | 2016-07-06 | A kind of shfting wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106041802A true CN106041802A (en) | 2016-10-26 |
| CN106041802B CN106041802B (en) | 2017-08-18 |
Family
ID=57202119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610525236.6A Active CN106041802B (en) | 2016-07-06 | 2016-07-06 | A kind of shfting wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106041802B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171246A (en) * | 2017-07-20 | 2017-09-15 | 北京天泽电力器材有限公司 | The lossless fixing-line device of contact line |
| CN108858008A (en) * | 2018-07-20 | 2018-11-23 | 杭州巨星科技股份有限公司 | A kind of ratchet extruding spanner |
| CN110614471A (en) * | 2019-09-24 | 2019-12-27 | 广州萝锋智能科技有限公司 | Anti-falling labor-saving clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094215A (en) * | 1977-04-01 | 1978-06-13 | Hudson Robert H | Plier wrench |
| US4797965A (en) * | 1988-04-21 | 1989-01-17 | Mazzone Thomas J | Wrench with rack and segment gear linkage |
| US5568752A (en) * | 1992-06-08 | 1996-10-29 | Kwik Wrench Pty Ltd. | Adjustable spanner |
| CN201164979Y (en) * | 2008-02-03 | 2008-12-17 | 俞庆 | Automatic monkey spanner having gear locking mechanism |
| CN203696862U (en) * | 2014-01-23 | 2014-07-09 | 宁波黑松工具有限公司 | Spanner |
-
2016
- 2016-07-06 CN CN201610525236.6A patent/CN106041802B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094215A (en) * | 1977-04-01 | 1978-06-13 | Hudson Robert H | Plier wrench |
| US4797965A (en) * | 1988-04-21 | 1989-01-17 | Mazzone Thomas J | Wrench with rack and segment gear linkage |
| US5568752A (en) * | 1992-06-08 | 1996-10-29 | Kwik Wrench Pty Ltd. | Adjustable spanner |
| CN201164979Y (en) * | 2008-02-03 | 2008-12-17 | 俞庆 | Automatic monkey spanner having gear locking mechanism |
| CN203696862U (en) * | 2014-01-23 | 2014-07-09 | 宁波黑松工具有限公司 | Spanner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171246A (en) * | 2017-07-20 | 2017-09-15 | 北京天泽电力器材有限公司 | The lossless fixing-line device of contact line |
| CN108858008A (en) * | 2018-07-20 | 2018-11-23 | 杭州巨星科技股份有限公司 | A kind of ratchet extruding spanner |
| CN110614471A (en) * | 2019-09-24 | 2019-12-27 | 广州萝锋智能科技有限公司 | Anti-falling labor-saving clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106041802B (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6941844B2 (en) | Self-adjusting locking pliers | |
| CN106041802A (en) | Monkey wrench | |
| US1000900A (en) | Bit-stock. | |
| CN109223095B (en) | Positioning and punching device for orthopedic surgery | |
| US2156529A (en) | Wrench | |
| CN203696862U (en) | Spanner | |
| JP4176765B2 (en) | spanner | |
| JPS58501314A (en) | End adjustment wrench with releasable locking mechanism | |
| US20130327186A1 (en) | Wrench | |
| TWM366451U (en) | Torque wrench tool structure with torque display | |
| US4572037A (en) | Monkey wrench | |
| US2765690A (en) | Claw and lever actuated, slidable side jaw wrench | |
| US2731866A (en) | Erickson | |
| CN103753462A (en) | Spanner | |
| US953346A (en) | Wrench. | |
| US20150158151A1 (en) | Ratchet adjustable locking pliers | |
| US20120103146A1 (en) | High torque screwdriver | |
| US2069582A (en) | Wrench | |
| US18266A (en) | Wrench | |
| US1334392A (en) | Wrench | |
| US1319946A (en) | Qttick-adjttstable weench | |
| US1748887A (en) | Intermittent-grip device | |
| US2734414A (en) | Pivoted-jaw pipe wrench having a | |
| US1486921A (en) | Ratchet wrench | |
| CN201115938Y (en) | Improved adjustable spanner structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.33, Luming Avenue, Gaochun District, Nanjing City, Jiangsu Province Patentee after: NANJING INSTITUTE OF MECHATRONIC TECHNOLOGY Address before: Baoshan Road, Jiangning gate Cang District of Nanjing City, Jiangsu province 211135 No. 56 Patentee before: NANJING INSTITUTE OF MECHATRONIC TECHNOLOGY |