CN105150146B - Impact spanner - Google Patents
Impact spanner Download PDFInfo
- Publication number
- CN105150146B CN105150146B CN201510440432.9A CN201510440432A CN105150146B CN 105150146 B CN105150146 B CN 105150146B CN 201510440432 A CN201510440432 A CN 201510440432A CN 105150146 B CN105150146 B CN 105150146B
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- China
- Prior art keywords
- ratchet
- loop bar
- bar
- prized
- tumbler
- Prior art date
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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
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel
-
- 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
Abstract
The present invention proposes a kind of impact spanner, can swing working space, Quick fastening or dismounting nut zero.This impact spanner includes: tumbler tumbler is cylinder, and its side is provided with ratchet, and end is provided with sleeve；Being prized loop bar to be prized loop bar and have two, be provided with set cave, ratchet, spring etc., two set cave left-hand thread ratchets are installed；Handle cover for wrench handle cover for wrench leading portion is provided with for tumbler and is prized the containing cavity that loop bar is installed, and both sides are provided with the fore-set making ratchet leave ratchet, and back segment is the through hole installing ripping bar；Ripping bar ripping bar has two, and bottom is provided with inclined-plane；Pneumatic hammer is arranged on handle cover for wrench end.When hammer alignment ripping bar impact, inclined-plane, ripping bar bottom forces and is prized loop bar rotation, and now, fore-set leaves ratchet, and ratchet props up the related tumbler of ratchet under the action of the spring and rotates；Unclamping hammer, loop bar resets, and fore-set makes ratchet leave ratchet, rotates and stops；The most repeatedly, thus reach to tighten or dismantle the purpose of nut.
Description
Technical field
The invention belongs to mechanical work technical field of tools, be related specifically to spanner.
Background technology
Spanner is a kind of conventional installation and extracting tool, and it utilizes lever principle to twist the screw thread such as bolt, nut and tightly holds firmware, and during use, threadingly direction of rotation applies external force at shank, just can twist bolt or nut.Certain space rotated for spanner is needed during spanner operation, but some different areas of activity, such as when saying auto repair, working space is the narrowest, angle that spanner is rotated every time is the least cannot be rotated the most at all, this just brings the biggest difficulty to the operation of spanner, is therefore badly in need of a kind of spanner without bigger rotation operation space, to tackle above-mentioned different areas of activity.It addition, existing spanner is when rotation space is the least, it is necessary to unclamping subject (i.e. the screw thread such as bolt, nut tightly holds firmware), the most again clamping subject and rotating spanner after turning an angle, this kind of working method also can be substantially reduced the efficiency of spanner.
Number of patent application is that the patent of invention of CN201410174818.2 discloses a kind of impact spanner, comprising: spanner inner sleeve: for the set cave of one end open, for clamping subject；Described spanner inner sleeve uniform intervals is provided with impact portion；Described impact portion is to be arranged at recess or the gear of spanner inner sleeve end face；Or described impact portion is to be arranged at recess or the gear of spanner inner sleeve circumferential lateral surface；Handle cover for wrench: described spanner inner sleeve activity is embedded in the inside of handle cover for wrench, the end face of described handle cover for wrench is provided with opening, for subject across and into inside spanner inner sleeve；Move rod bush: the one end moving rod bush is connected fixing with handle cover for wrench, described move rod bush in be provided with through hole, it is provided with in described through hole and moves bar, described bar of moving can move along through hole and clash into the impact portion of spanner inner sleeve, the described impingement position moving bar and spanner inner sleeve deviates from the center of rotation of spanner inner sleeve, thus band wrench inner sleeve rotates.
There is following problems in the impact spanner of above-mentioned patent: when bolt due to the reason such as get rusty and during more difficult dismounting, the impact force moving bar with impact portion must be increased, but the impact portion thus easily causing spanner inner sleeve because impact force is excessive is damaged, and therefore practicality is poor.
Summary of the invention
The purpose of the present invention is to propose to a kind of impact spanner, this kind of impact spanner, without bigger rotation operation space, can realize tightly holding the screw thread such as bolt, nut Fast Installation and the dismounting of firmware, and be difficult to cause because impact force is excessive spanner damaged.
The impact spanner of the present invention includes:
Tumbler: described tumbler is cylinder, its side is provided with ratchet, and the end of tumbler is provided with sleeve or sleeve Fang Ji；
Prized loop bar: the described loop bar that prized is by overlapping cave and fixing the loop bar main body being connected constitute with set side, cave, and described tumbler is installed in set cave；In described loop bar main body, the ratchet coordinated with described ratchet being installed, tumbler can be driven to do one-directional rotation in predetermined angular so that prizing loop bar；
Handle cover for wrench: described handle cover for wrench is provided with containing cavity and the through hole communicated with described containing cavity, the described loop bar that prized is rotatably installed in containing cavity, and described containing cavity is provided with, in the position of corresponding tumbler, the perforate stretched out for sleeve or sleeve Fang Ji；It is provided with the first back-moving spring between described loop bar main body and containing cavity inwall；Being provided with ripping bar in described through hole, described ripping bar is provided with inclined-plane towards by the one end prizing loop bar so that ripping bar towards prized loop bar move time, it is possible to make to be prized loop bar by described inclined-plane and rotate；Handle cover for wrench is provided with ripping bar to away from being prized the second back-moving spring that loop bar direction promotes.
In use, promoting ripping bar so that the end chamfer of ripping bar contacts with by the loop bar main body prizing loop bar, at ripping bar to being prized during loop bar moves, loop bar main body will gradually be tilted by inclined-plane, so that being prized loop bar rotation.And prized loop bar rotate time, will be coordinated with ratchet by the ratchet prizing loop bar so that tumbler with prized loop bar synchronous axial system；
After unclamping ripping bar, ripping bar under the effect of the second back-moving spring to realize away from being moved by the direction prizing loop bar reset, prized loop bar to rotate in the opposite direction under the effect of the first back-moving spring and realize resetting simultaneously, rotated backward in reseting procedure prize loop bar, ratchet cannot drive ratchet to synchronously rotate, and therefore tumbler also rests on original position；
Said process repeatedly, it becomes possible to realize bolt being screwed or dismantling.
Further, described being prized loop bar and ripping bar is respectively arranged with two, the inclined-plane incline direction of said two ripping bar is contrary, so that two are rotated under the effect of corresponding ripping bar in the opposite direction by prizing loop bar；Said two is respectively sleeved in the two ends of ratchet of tumbler by the set cave being prized loop bar, and two incline directions being prized the ratchet of loop bar are contrary, so that the different loop bar that prized is when rotating, it is possible to drive tumbler to rotate in the opposite direction；The both sides inwall of described containing cavity is respectively fixed with a fore-set, described is prized after loop bar resets, and the end of the fore-set of respective side is offseted by the ratchet prizing loop bar with this, so that this is disengaged with ratchet by the ratchet prizing loop bar.
When promoting a ripping bar, this ripping bar can drive tumbler to rotate to a direction by the corresponding loop bar that prized, another is in reset position by prizing loop bar under the effect of the first back-moving spring simultaneously, therefore this can be offseted with corresponding fore-set by the ratchet prizing loop bar, thus disengage with ratchet, thus without the rotation affecting tumbler.Prized loop bar and ripping bar by two groups, the rotation direction of tumbler can be controlled, thus bolt is screwed or dismantles.So utilize an impact spanner, bolt can be screwed or dismantle, without carrying two different impact spanners of rotation direction simultaneously.
Further, the end of described handle cover for wrench is additionally provided with auxiliary sleeve, is provided with the auxiliary through hole communicated with described through hole in described auxiliary sleeve, and described auxiliary through hole is provided with moves bar；Described moving is provided with direction-changing device between bar and ripping bar, so that moving bar can promote in two ripping bars selectively.So promoting one and move bar, utilization orientation conversion equipment controls to move bar and promotes certain ripping bar, can screw bolt or dismantle.
Further, for reducing the tired degree of workman, improve efficiency, described impact spanner include one with move bar and be connected, and drive and move the power set that bar edge assists through hole to move back and forth.Power set are utilized to install automatically and quickly or demounting bolt.Above-mentioned power set can be the device such as beche, cylinder, and here is omitted.
Specifically, described direction-changing device is the cylinder that middle part is provided with guide channel, is provided with drive link in described guide channel；The joint of described auxiliary through hole and through hole is provided with the cavity of accommodating described cylinder, the inwall of described cavity is provided with two groups of location indentations, the side of described direction-changing device is provided with spring detent, location indentations coordinates with spring detent, direction-changing device is fixed on one of two precalculated positions, so that an alignment in drive link and two ripping bars.
Further, the inwall in described set cave is provided with ratchet mounting groove, and described ratchet is rotatably installed in ratchet mounting groove；Being provided with the 3rd back-moving spring between loop bar main body and ratchet, the free end of ratchet is promoted by described 3rd back-moving spring to ratchet direction.In by the rotation process prizing loop bar, ratchet can be pressed on ratchet by the 3rd back-moving spring all the time, thus ensures that tumbler is along with being prized loop bar synchronous axial system.
Further, described set cave inwall or end are provided with annular stop step, and described annular stop step is relative with the end face of described ratchet.Tumbler can be formed spacing by annular stop step, in case spline moving part is along its axis play, thus ensures the no-float of ratchet and ratchet.
Further, the described loop bar that prized is provided with fore-set installation through hole, and described fore-set is through described fore-set installation through hole towards corresponding ratchet.Certainly, fore-set can also be installed on and be prized the side of loop bar, but so can increase the thickness that impact spanner is overall.The present invention arranges, in being prized loop bar, the fore-set passed for fore-set and installs through hole, so that the structure being prized loop bar is smaller and more exquisite, compact.
Above-mentioned as follows equipped with two installation procedures being prized the impact spanner of loop bar and ripping bar:
What first two, left and right ratchet was put into correspondence is prized the pawl slot of loop bar, makes the blade tooth end energy circular swing motion of ratchet, has refilled pawl restoring spring, and this step installs；Two, left and right is enclosed within ratchet by next step by the set cave prizing loop bar, and makes annular stop step relative with the end face of ratchet, reaches left and right and is prized the set cave of loop bar and all coordinate with tumbler indexable precise rotation up and down and be advisable, and this step installs；Next step will be installed on left and right prized in loop bar tumbler set cave or sleeve side's base alignment and pass containing cavity opening, make left and right be prized loop bar and naturally insert in the containing cavity of handle cover for wrench simultaneously, reach tumbler to coordinate with handle cover for wrench precise rotation and be advisable, refilling left and right and prized the first back-moving spring of loop bar, this step installs；Left and right push rod is respectively and fixedly installed to the left and right sides, containing cavity front end by next step, reaches two push rods and the most loosely installs through hole through corresponding fore-set and withstand ratchet and be allowed to lift up and leave ratchet and be advisable, and this step installs；Left and right ripping bar is successively put into containing cavity by next step, reaches left and right ripping bar and all can move the most flexibly and be advisable, has refilled the second back-moving spring of left and right ripping bar, and this step installs；Next step is by the through hole moving bar and inserting handle cover for wrench, reaches to move bar and can move up and down flexibly and be advisable, installs.
The impact spanner of the present invention can be dismantled in the zero narrow operating area swung and tighten nut, and during dismounting and tightening nut, owing to no longer unclamping after entangling nut, it is greatly saved the time, and the tired degree of workman can be reduced by power set, improving efficiency, performance is significantly better than traditional fork spanner；The impact spanner of the present invention is prized loop bar also by design structure uniqueness, it is achieved that effective amplification of ripping bar moment, reduces the impact to tumbler and the power requirement to power set, extends service life, has good practicality.
Accompanying drawing explanation
Fig. 1,2 be embodiment 1 impact spanner structure principle chart.
Fig. 3,4 be embodiment 2 impact spanner structure principle chart.
Fig. 5 is the decomposition texture schematic diagram (being not drawn into auxiliary sleeve and direction-changing device) of the impact spanner of embodiment 2.
Fig. 6 is the structure principle chart of direction-changing device.
Figure indicates: 1, tumbler；11, ratchet；12, sleeve Fang Ji；2, loop bar is prized；21, set cave；211, annular stop step；22, loop bar main body；23, ratchet；231, cylinder；24, the first back-moving spring；25, the 3rd back-moving spring；26, ratchet mounting groove；3, handle cover for wrench；31, containing cavity；32, through hole；33, ripping bar；331, inclined-plane；34, the second back-moving spring；35, fore-set；36, opening；4, auxiliary sleeve；41, bar is moved；5, direction-changing device；51, guide channel；52, cuboid cylinder；53, drive link；54, spring detent；6, cavity；61, location indentations；62, limit opening；7, spanner lid shell；8, beche.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the detailed description of the invention such as mutual alignment between the involved shape of each component, structure, each several part and annexation, the effect of each several part and operation principle etc. of the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1, 2, the impact spanner of the present embodiment includes:
Tumbler 1: described tumbler 1 is cylinder, and its side is provided with ratchet 11, and the end of tumbler 1 is provided with sleeve side's base 12；
Being prized loop bar 2: described prized loop bar 2 and fix the loop bar main body 22 being connected and constitute by set cave 21 and with set side, cave 21, described tumbler 1 is movably installed in set cave 21；Being provided with the ratchet 23 coordinated with described ratchet 11 in described loop bar main body 22, tumbler 1 can be driven to do one-directional rotation in predetermined angular so that prizing loop bar 2, this predetermined angular is generally 10～15 degree；The outboard end in set cave 21 is provided with annular stop step 211, and described annular stop step 211 is relative with the end face of ratchet 11.The ratchet 11 of tumbler 1 can be formed spacing by annular stop step 211, in case spline moving part 1 is along its axis play, thus ensures the no-float of ratchet 23 and ratchet 11.
Handle cover for wrench 3: described handle cover for wrench 3 is provided with containing cavity 31 and the through hole 32 communicated with described containing cavity 31, the described loop bar 2 that prized is rotatably installed in containing cavity 31, described containing cavity 31 is provided with, in the position of corresponding tumbler 1, the perforate 36 stretched out for sleeve side's base 12, so that sleeve side's base 12 of tumbler 1 is exposed to handle cover for wrench 3 and contacts with set cave；The first back-moving spring 24 it is provided with between described loop bar main body 22 and containing cavity 31 inwall；Being provided with ripping bar 33 in described through hole 32, described ripping bar 33 is provided with inclined-plane 331 towards by the one end prizing loop bar 2 so that ripping bar 33 towards prized loop bar 2 move time, it is possible to make to be prized loop bar 2 by described inclined-plane 331 and rotate；Described ripping bar 33 is connected with the inwall of through hole 32 by the second back-moving spring 34, and ripping bar 33 is pulled to away from by the direction prizing loop bar 2 or promotes by the second back-moving spring 34.
Spanner lid shell 7: be used for being assemblied in handle cover for wrench 3, it is to avoid the part within handle cover for wrench 3 comes off.
One end of ratchet 23 is cylinder 231, and the inwall in described set cave 21 is provided with ratchet mounting groove 26, and the end of ratchet mounting groove 26 is provided with arc-shaped depression portion, and the cylinder 231 of described ratchet 23 is installed in described arc-shaped depression portion, so that ratchet 23 can rotate around its cylinder 231；Being provided with the 3rd back-moving spring 25 between loop bar main body 22 and ratchet 23, one end of the 3rd back-moving spring 25 offsets with ratchet 23, and the other end offsets with the inwall of ratchet mounting groove 26, and the free end of ratchet 23 is promoted by described 3rd back-moving spring 25 to ratchet 11 direction.In by the rotation process prizing loop bar 2, ratchet 23 can be pressed on ratchet 11 by the 3rd back-moving spring 25 all the time, thus ensures that tumbler 1 is along with being prized loop bar 2 synchronous axial system.The end, one end of ratchet 23 is designed as cylinder 231 and serves as the rotating shaft of ratchet, and utilize arc-shaped depression portion to install this cylinder 231, the intensity of ratchet 23 can be improved, expand the contact area of ratchet 23 and set cave 21, thus improve the anti-impact force of ratchet 23, extend the service life of impact spanner.
Loop bar main body 22 is cambered surface towards a side end of ripping bar 33, loop bar main body 22 is tilted reducing the frictional force between loop bar main body 22 end and ripping bar 33 inclined-plane 331, beneficially ripping bar 33.
As it is shown in figure 1, in use, ripping bar 33 is promoted, the end chamfer 331 making ripping bar 33 contacts with by the loop bar main body 22 prizing loop bar 2, at ripping bar 33 to being prized during loop bar 2 moves, loop bar main body 22 will gradually be tilted by inclined-plane 331, is rotated so that prizing loop bar 2.And when being prized loop bar 2 and rotating, will be coordinated with ratchet 11 by the ratchet 23 prizing loop bar 2 so that tumbler 1 with prized loop bar 2 synchronous axial system；
As shown in Figure 2, after unclamping ripping bar 33, ripping bar 33 under the effect of the second back-moving spring 34 to realize away from being moved by the direction prizing loop bar 2 reset, prized loop bar 2 to rotate in the opposite direction under the effect of the first back-moving spring 24 and realize resetting simultaneously, rotated backward in reseting procedure prize loop bar 2, ratchet 23 cannot drive ratchet 11 to synchronously rotate, and therefore tumbler 1 also rests on original position；
Said process repeatedly, it becomes possible to realize bolt being screwed or dismantling.
Embodiment 2:
As shown in Fig. 3,4,5, in the present embodiment, described being prized loop bar 2 and ripping bar 33 is respectively arranged with two, inclined-plane 331 incline direction of said two ripping bar 33 is contrary, so that two are rotated under the effect of corresponding ripping bar 33 in the opposite direction by prizing loop bar 2；Said two is respectively sleeved in the two ends of ratchet 11 of tumbler 1 by the set cave 21 being prized loop bar 2, and two incline directions being prized the ratchet 23 of loop bar 2 are contrary, so that the different loop bar 2 that prized is when rotating, it is possible to drive tumbler 1 to rotate in the opposite direction；The both sides inwall of described containing cavity 31 is respectively fixed with a fore-set 35, is prized loop bar 2 and is provided with fore-set installation through hole (being not drawn in figure), and described fore-set 35 is through described fore-set installation through hole towards corresponding ratchet 23；Described being prized after loop bar 2 resets, the end of the fore-set 35 of respective side is offseted by the ratchet 23 prizing loop bar 2 with this, so that this is disengaged with ratchet 11 by the ratchet 23 prizing loop bar 2.
The end of handle cover for wrench 3 is also integrally formed with auxiliary sleeve 4, is provided with the auxiliary through hole (being not drawn in figure) communicated with described through hole 32 in described auxiliary sleeve 4, and described auxiliary through hole is movably installed with moves bar 41；Described moving is provided with direction-changing device 5 between bar 41 and ripping bar 33, so that moving bar 41 can promote in two ripping bars 33 selectively.
As shown in Figure 6, specifically, described direction-changing device 5 is provided with the cuboid cylinder 52 of guide channel 51 for middle part, and described guide channel 51 is parallel to through hole 32, is provided with drive link 53 in it；The joint of described auxiliary through hole and through hole 32 is provided with the cavity 6 of accommodating described cuboid cylinder 52, the both sides up and down of cavity 6 are provided with the limit opening 62 passed for cuboid cylinder 52, and limit opening 62 is possible to prevent cuboid cylinder 52 to move along the direction of guide channel 51；The both sides inwall of described cavity 6 is provided with upper and lower two groups of circle location indentations 61, the side, both sides of described direction-changing device 5 is provided with spring detent 54, location indentations 61 coordinates with spring detent 54, direction-changing device 5 is fixed on one of two precalculated positions, so that drive link 53 is directed at in two ripping bars 33.Relatively big owing to moving the end cross-sectional area of bar 41, no matter which precalculated position drive link 53 is positioned at, and moves bar 41 and can strike drive link 53.
Auxiliary sleeve 4 has been threadably secured a beche 8, and described beche 8 is connected with moving bar 41, it is possible to drives and moves bar 41 along assisting through hole to move back and forth.
In use, first with direction-changing device 5, drive link 53 is directed at some ripping bar 33, then utilize beche to drive to move bar 41 and move back and forth, by drive link 53, this ripping bar 33 is impacted repeatedly, thus the second corresponding back-moving spring 34 coordinates so that this ripping bar 33 moves back and forth along through hole 32.
When beche 8 promotes a ripping bar 33, this ripping bar 33 can drive tumbler 1 to rotate (as shown in Figure 3) to a direction by the corresponding loop bar 2 that prized, another is in reset position by prizing loop bar 2 under the effect of the first back-moving spring 24 of its correspondence simultaneously, therefore this can be offseted with corresponding fore-set 35 by the ratchet 23 prizing loop bar 2, thus disengage (as shown in Figure 4) with ratchet 11, thus without the rotation affecting tumbler 1.Prized loop bar 2 and ripping bar 33 by two groups, the rotation direction of tumbler 1 can be controlled, thus bolt is screwed or dismantles.So utilize an impact spanner, bolt can be screwed or dismantle, without carrying two different impact spanners of rotation direction simultaneously.
Claims (7)
1. an impact spanner, it is characterised in that including:
Tumbler: described tumbler is cylinder, its side is provided with ratchet, and the end of tumbler is provided with sleeve or sleeve Fang Ji；
Prized loop bar: the described loop bar that prized is by overlapping cave and fixing the loop bar main body being connected constitute with set side, cave, and described tumbler is installed in set cave；In described loop bar main body, the ratchet coordinated with described ratchet being installed, tumbler can be driven to do one-directional rotation in predetermined angular so that prizing loop bar；
Handle cover for wrench: described handle cover for wrench is provided with containing cavity and the through hole communicated with described containing cavity, the described loop bar that prized is rotatably installed in containing cavity, and described containing cavity is provided with, in the position of corresponding tumbler, the perforate stretched out for described sleeve or sleeve Fang Ji；It is provided with the first back-moving spring between described loop bar main body and containing cavity inwall；Being provided with ripping bar in described through hole, described ripping bar is provided with inclined-plane towards by the one end prizing loop bar so that ripping bar towards prized loop bar move time, it is possible to make to be prized loop bar by described inclined-plane and rotate；Handle cover for wrench is provided with ripping bar to away from being prized the second back-moving spring that loop bar direction promotes；
Described being prized loop bar and ripping bar is respectively arranged with two, the inclined-plane incline direction of said two ripping bar is contrary, so that two are rotated under the effect of corresponding ripping bar in the opposite direction by prizing loop bar；Said two is respectively sleeved in the two ends of ratchet of tumbler by the set cave being prized loop bar, and two incline directions being prized the ratchet of loop bar are contrary, so that the different loop bar that prized is when rotating, it is possible to drive tumbler to rotate in the opposite direction；The both sides inwall of described containing cavity is respectively fixed with a fore-set, described is prized after loop bar resets, and the end of the fore-set of respective side is offseted by the ratchet prizing loop bar with this, so that this is disengaged with ratchet by the ratchet prizing loop bar.
Impact spanner the most according to claim 1, it is characterised in that the end of described handle cover for wrench is additionally provided with auxiliary sleeve, is provided with the auxiliary through hole communicated with described through hole in described auxiliary sleeve, described auxiliary through hole is provided with moves bar；Described moving is provided with direction-changing device between bar and ripping bar, so that moving bar can promote in two ripping bars selectively.
Impact spanner the most according to claim 2, it is characterised in that described impact spanner include one with move bar and be connected, and drive and move the power set that bar moves back and forth along auxiliary through hole.
Impact spanner the most according to claim 2, it is characterised in that described direction-changing device is the cylinder that middle part is provided with guide channel, is provided with drive link in described guide channel；The joint of described auxiliary through hole and through hole is provided with the cavity of accommodating described cylinder, the inwall of described cavity is provided with two groups of location indentations, the side of described direction-changing device is provided with spring detent, location indentations coordinates with spring detent, direction-changing device is fixed on one of two precalculated positions, so that an alignment in drive link and two ripping bars.
5. according to the impact spanner described in claim 1 or 2 or 3 or 4, it is characterised in that the inwall in described set cave is provided with ratchet mounting groove, and described ratchet is rotatably installed in ratchet mounting groove；Being provided with the 3rd back-moving spring between loop bar main body and ratchet, the free end of ratchet is promoted by described 3rd back-moving spring to ratchet direction.
6. according to the impact spanner described in claim 1 or 2 or 3 or 4, it is characterised in that described set cave inwall or end are provided with annular stop step, and described annular stop step is relative with the end face of described ratchet.
Impact spanner the most according to claim 1, it is characterised in that the described loop bar that prized is provided with fore-set installation through hole, and described fore-set is through described fore-set installation through hole towards corresponding ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440432.9A CN105150146B (en) | 2015-07-24 | 2015-07-24 | Impact spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440432.9A CN105150146B (en) | 2015-07-24 | 2015-07-24 | Impact spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105150146A CN105150146A (en) | 2015-12-16 |
| CN105150146B true CN105150146B (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510440432.9A Active CN105150146B (en) | 2015-07-24 | 2015-07-24 | Impact spanner |
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| Country | Link |
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| CN (1) | CN105150146B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757689A (en) * | 2018-08-15 | 2018-11-06 | 海盐宏茂五金制品有限公司 | A kind of high ferro guardrail anti-theft nut |
| TWI795113B (en) * | 2021-12-07 | 2023-03-01 | 優鋼機械股份有限公司 | Wrench with movable mallet platform and mallet platform |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3620753A1 (en) * | 1986-03-15 | 1987-09-17 | Wagner Paul Heinz | HYDRAULIC SCREWDRIVER |
| DE3719893A1 (en) * | 1987-06-13 | 1988-12-29 | Wagner Paul Heinz | HYDRAULIC SCREWDRIVER |
| CN2724926Y (en) * | 2004-02-26 | 2005-09-14 | 田毅振 | Locomotive internal combustion engine linking bolt special hydralic spanner |
| CN201483417U (en) * | 2009-06-16 | 2010-05-26 | 林依婷 | Ratchet spanner direction control structure |
| CN202878208U (en) * | 2012-07-02 | 2013-04-17 | 南京德朔实业有限公司 | Impact ratchet wrench |
| CN104070486B (en) * | 2014-06-19 | 2015-12-02 | 何华忠 | Directly make spanner |
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2015
- 2015-07-24 CN CN201510440432.9A patent/CN105150146B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105150146A (en) | 2015-12-16 |
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