CN105150146A - Striking wrench - Google Patents
Striking wrench Download PDFInfo
- Publication number
- CN105150146A CN105150146A CN201510440432.9A CN201510440432A CN105150146A CN 105150146 A CN105150146 A CN 105150146A CN 201510440432 A CN201510440432 A CN 201510440432A CN 105150146 A CN105150146 A CN 105150146A
- Authority
- CN
- China
- Prior art keywords
- loop bar
- ratchet
- prized
- bar
- sleeve
- 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
- B25B13/46—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 invention provides a striking wrench which can rapidly screw or unscrew a nut in a zero-swing operation space. The striking wrench comprises a rotary part, two prized sleeve bars, a wrench outer sleeve, two crow bars and a pneumatic striking hammer, wherein the rotary part is a cylinder, a ratchet wheel is arranged on the lateral surface of the rotary part, and a sleeve is arranged at the end of the rotary part; each prized sleeve bar is provided with a sleeve hole, a pawl, a spring and the like, and the two sleeve holes cover the ratchet wheel reversely to be installed; a containing cavity where the rotary part and the prized sleeve bars are installed is formed in the front section of the wrench outer sleeve, ejection pillars used for enabling the pawls to leave the ratchet wheel are arranged on the two sides of the wrench outer sleeve, and a through hole for installation of the crow bars is formed in the rear section of the wrench outer sleeve; the bottom end of each crow bar is provided with an inclined surface; the pneumatic striking hammer is installed at the tail end of the wrench outer sleeve. When the pneumatic striking hammer aims at and strikes the crow bars, the inclined surfaces at the bottom ends of the crow bars force the prized sleeve bars to rotate, the ejection pillars release the pawls at the moment, and the pawls abut against the ratchet wheel under the action of the springs, and the rotary part is driven to rotate. The pneumatic striking hammer is released, the sleeve bars restore, the ejection pillars enable the pawls to leave the ratchet wheel, and rotation stops. The above process is repeated, and therefore the purpose of screwing or unscrewing the nut is realized.
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 removal instrument, 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 of rotating for spanner is needed during spanner operation, but some different areas of activity, such as, when saying auto repair, working space is very narrow, the angle that spanner is rotated at every turn is very little cannot rotate even at all, this brings very large difficulty with regard to giving the operation of spanner, is therefore badly in need of a kind of spanner without the need to larger rotation operation space, to tackle above-mentioned different areas of activity.In addition, existing spanner is when rotation space is very little, must unclamp subject (namely the screw thread such as bolt, nut tightly holds firmware) after turning an angle, and then again clamp subject and rotating spanner, this kind of working method also can reduce the efficiency of spanner greatly.
Number of patent application is that the patent of invention of CN201410174818.2 discloses a kind of impact spanner, and it comprises: spanner inner sleeve: be the cover cave of one end open, for clamping subject; Described spanner inner sleeve uniform intervals is provided with impact portion; Described impact portion is the recess or the gear that are arranged at spanner inner sleeve end face; Or described impact portion is the recess or the gear that are arranged at spanner inner sleeve circumferential lateral surface; Handle cover for wrench: the activity of described spanner inner sleeve is embedded in the inside of handle cover for wrench, and the end face of described handle cover for wrench is provided with opening, for subject across and into inner to spanner inner sleeve; Move rod bush: one end and the handle cover for wrench of moving rod bush are connected and fixed, described moving in rod bush is provided with through hole, be provided with in described through hole and move 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 is rotated.
There is following problems in the impact spanner of above-mentioned patent: when bolt due to get rusty etc. reason and more difficult dismounting time, the impact of moving bar and impact portion must be increased, but so just easily cause the impact portion of spanner inner sleeve damaged because impact is excessive, therefore practicality is poor.
Summary of the invention
The object of the invention is to propose a kind of impact spanner, this kind of impact spanner, without the need to larger rotation operation space, can realize Fast Installation and the dismounting of the screw thread such as bolt, nut tightly being held to firmware, and not easily causes spanner damaged because impact is excessive.
Impact spanner of the present invention comprises:
Tumbler: described tumbler is cylinder, and its side is provided with ratchet, the end of tumbler is provided with sleeve or sleeve Fang Ji;
Prized loop bar: the described loop bar that prized is made up of the loop bar main body of overlapping cave and be fixedly connected with cover side, cave, and described tumbler is installed in cover cave; The ratchet coordinated with described ratchet is installed in described loop bar main body, drives tumbler to do one-directional rotation in predetermined angular to enable being prized loop bar;
Handle cover for wrench: the through hole that described handle cover for wrench is provided with accommodating cavity and communicates with described accommodating cavity, is describedly prized loop bar and is rotatably installed in accommodating cavity, and described accommodating cavity is provided with the perforate of stretching out for sleeve or sleeve Fang Ji in the position of corresponding tumbler; The first back-moving spring is provided with between described loop bar main body and accommodating cavity inwall; Be provided with ripping bar in described through hole, described ripping bar is provided with inclined-plane towards by the one end prizing loop bar, with make ripping bar towards prized loop bar move time, can make to be prized loop bar by described inclined-plane and rotate; Handle cover for wrench be provided with by ripping bar to away from by prized loop bar direction promote the second back-moving spring.
In use, promote ripping bar, the end chamfer of ripping bar is contacted with by the loop bar main body prizing loop bar, at ripping bar to being prized in the process of loop bar movement, loop bar main body will tilt by inclined-plane gradually, thus makes to be prized loop bar rotation.And when being prized loop bar and rotating, will be coordinated with ratchet by the ratchet prizing loop bar, thus make tumbler and 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 rotate in the opposite direction under the effect of the first back-moving spring and realize resetting simultaneously, rotated backward in reseting procedure by what prize loop bar, ratchet cannot drive ratchet to synchronously rotate, and therefore tumbler also rests on original position;
Said process repeatedly, just can realize screwing or dismantling bolt.
Further, describedly prized loop bar and ripping bar respectively has two, the inclined-plane incline direction of described two ripping bars is contrary, is prized loop bar rotate in the opposite direction under the effect of the ripping bar of correspondence to make two; Described two two ends being placed on the ratchet of tumbler by the cover cave prizing loop bar respectively, two contrary by the incline direction being prized the ratchet of loop bar, with make different prized loop bar rotate time, tumbler can be driven to rotate in the opposite direction; The both sides inwall of described accommodating cavity is respectively fixed with a fore-set, is describedly prized after loop bar resets, the end of the fore-set of respective side and this offseted by the ratchet prizing loop bar, prized the ratchet of loop bar to make this and ratchet disengages.
When a promotion ripping bar, this ripping bar can drive tumbler to rotate to a direction by the loop bar that prized of correspondence, another is prized loop bar and be in reset position 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, therefore can not affect the rotation of tumbler.Prized loop bar and ripping bar by two groups, the rotation direction of tumbler can be controlled, thus bolt is screwed or dismantles.Utilize an impact spanner like this, can screw bolt or dismantle, and not need to carry the different impact spanner of two rotation directions simultaneously.
Further, the end of described handle cover for wrench is also 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 between bar and ripping bar is provided with direction-changing device, to enable to move one that bar promotes in two ripping bars selectively.Bar is moved in such promotion one, and utilization orientation conversion equipment controls to move bar and promotes certain ripping bar, can screw bolt or dismantle.
Further, be reduce the tired degree of workman, raise the efficiency, described impact spanner comprise one with move bar and be connected, and drive the power set moved bar edge and assist 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, repeat no more herein.
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, aims at in two ripping bars to make drive link.
Further, the inwall in described cover cave is provided with ratchet mounting groove, and described ratchet is rotatably installed in ratchet mounting groove; Be provided with the 3rd back-moving spring between loop bar main body and ratchet, the free end of ratchet promotes to ratchet direction by described 3rd back-moving spring.Prized in the rotation process of 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 cover cave inwall or end are provided with annular stop step, and described annular stop step is relative with the end face of described ratchet.Annular stop step can be formed spacing to tumbler, in case spline moving part is along its axis play, thus ensure the no-float of ratchet and ratchet.
Further, the described loop bar that prized is provided with fore-set and installs through hole, and described fore-set installs through hole through described fore-set and towards the ratchet of correspondence.Certainly, fore-set also can be installed on and be prized the side of loop bar, but can increase the thickness of impact spanner entirety like this.The present invention, being prized in loop bar the fore-set installation through hole arranging and pass for fore-set, can make by the structure prizing loop bar smaller and more exquisite, compact.
Above-mentioned be equipped with two as follows by the installation procedure prizing the impact spanner of loop bar and ripping bar:
That first two, left and right ratchet is put into correspondence is prized the pawl slot of loop bar, and make the blade tooth end energy circular swing motion of ratchet, refilled pawl restoring spring, this step installs; Two, left and right is enclosed within ratchet by the cover cave prizing loop bar by next step, and makes annular stop step relative with the end face of ratchet, and coordinated by all upper and lower with the tumbler transposition precise rotation in cover cave prizing loop bar about reaching and be advisable, this step installs; Next step will be installed on left and right by the cover cave of tumbler that prizes in loop bar or sleeve side's base alignment and through the opening of accommodating cavity, make left and right be prized loop bar naturally to insert in the accommodating cavity of handle cover for wrench simultaneously, reach tumbler to coordinate with handle cover for wrench precise rotation and be advisable, refill left and right and prized the first back-moving spring of loop bar, this step installs; Left and right push rod is fixedly mounted on the left and right sides, accommodating cavity front end by respectively, and reach two push rods and loosely install through hole through corresponding fore-set respectively and withstand ratchet and make it to have lifted up and leave ratchet and be advisable, this step installs; Left and right ripping bar is successively put into accommodating cavity by next step, reach left and right ripping bar all can up and down flexibly movement be advisable, refilled the second back-moving spring of left and right ripping bar, this step installs; Next step inserts moving bar in the through hole of handle cover for wrench, reaches to move bar and can move up and down flexibly and be advisable, and installs.
Dismantle in the narrow operating area that impact spanner of the present invention can swing zero and tighten nut, and dismantling and tightening in the process of nut, no longer unclamp after entangling nut, greatly save the time, and the tired degree of workman can be reduced by power set, raise the efficiency, performance is better than traditional fork spanner greatly; Impact spanner of the present invention is prized loop bar also by project organization uniqueness, achieves effective amplification of ripping bar moment, reduces the impact to tumbler and the power requirement to power set, extend service life, have good practicality.
Accompanying drawing explanation
Fig. 1,2 is structure principle charts of the impact spanner of embodiment 1.
Fig. 3,4 is structure principle charts of the impact spanner of embodiment 2.
Fig. 5 is the decomposition texture schematic diagram (not drawing auxiliary sleeve and direction-changing device) of the impact spanner of embodiment 2.
Fig. 6 is the structure principle chart of direction-changing device.
Indicate in figure: 1, tumbler; 11, ratchet; 12, sleeve Fang Ji; 2, loop bar is prized; 21, cave is overlapped; 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, accommodating 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
Contrast accompanying drawing below, by the description to embodiment, the effect and operation principle etc. of the specific embodiment of the present invention as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail.
Embodiment 1:
As shown in Figure 1, 2, the impact spanner of the present embodiment comprises:
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;
Prized loop bar 2: the described loop bar 2 that prized is made up of the loop bar main body 22 of overlapping cave 21 and be fixedly connected with cover side, cave 21, and described tumbler 1 is movably installed in cover cave 21; Be provided with the ratchet 23 coordinated with described ratchet 11 in described loop bar main body 22, tumbler 1 can be driven in predetermined angular to do one-directional rotation to make being prized loop bar 2, this predetermined angular is generally 10 ~ 15 degree; The outboard end in cover cave 21 is provided with annular stop step 211, and described annular stop step 211 is relative with the end face of ratchet 11.Annular stop step 211 can be formed spacing to the ratchet 11 of tumbler 1, 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: the through hole 32 that described handle cover for wrench 3 is provided with accommodating cavity 31 and communicates with described accommodating cavity 31, the described loop bar 2 that prized is rotatably installed in accommodating cavity 31, described accommodating cavity 31 is provided with the perforate 36 of stretching out for sleeve side's base 12 in the position of corresponding tumbler 1, contact with cover cave to make sleeve side's base 12 of tumbler 1 be exposed to handle cover for wrench 3; The first back-moving spring 24 is provided with between described loop bar main body 22 and accommodating cavity 31 inwall; Be 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, with make ripping bar 33 towards prized loop bar 2 move time, can 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, the second back-moving spring 34 by ripping bar 33 to away from being pulled by the direction prizing loop bar 2 or promoting.
Spanner lid shell 7: for being assemblied in handle cover for wrench 3, avoids the part of handle cover for wrench 3 inside to come off.
One end of ratchet 23 is cylinder 231, and the inwall in described cover 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, can rotate to make ratchet 23 around its cylinder 231; The one end and the ratchet 23 that are provided with the 3rd back-moving spring the 25, three back-moving spring 25 between loop bar main body 22 and ratchet 23 offset, and the inwall of the other end and ratchet mounting groove 26 offsets, and the free end of ratchet 23 promotes to ratchet 11 direction by described 3rd back-moving spring 25.Prized in the rotation process of 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 to 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 ratchet 23 and the contact area of overlapping 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, to reduce the frictional force between loop bar main body 22 end and ripping bar 33 inclined-plane 331, is conducive to ripping bar 33 and loop bar main body 22 is tilted.
As shown in Figure 1, in use, ripping bar 33 is promoted, the end chamfer 331 of ripping bar 33 is contacted with by the loop bar main body 22 prizing loop bar 2, at ripping bar 33 to being prized in the process of loop bar 2 movement, loop bar main body 22 will tilt by inclined-plane 331 gradually, thus makes to be prized loop bar 2 and rotate.And when being prized loop bar 2 and rotating, will be coordinated with ratchet 11 by the ratchet 23 prizing loop bar 2, thus make tumbler 1 and 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 rotate in the opposite direction under the effect of the first back-moving spring 24 and realize resetting simultaneously, rotated backward in reseting procedure by what 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, just can realize screwing or dismantling bolt.
Embodiment 2:
As shown in Fig. 3,4,5, in the present embodiment, describedly prized loop bar 2 and ripping bar 33 respectively has two, inclined-plane 331 incline direction of described two ripping bars 33 is contrary, is prized loop bar 2 rotate in the opposite direction under the effect of the ripping bar 33 of correspondence to make two; Described two two ends being placed on the ratchet 11 of tumbler 1 by the cover cave 21 prizing loop bar 2 respectively, two contrary by the incline direction being prized the ratchet 23 of loop bar 2, with make different prized loop bar 2 rotate time, tumbler 1 can be driven to rotate in the opposite direction; The both sides inwall of described accommodating cavity 31 is respectively fixed with a fore-set 35, is prized loop bar 2 and is provided with fore-set and installs through hole (not shown in FIG.), and described fore-set 35 installs through hole through described fore-set and towards the ratchet 23 of correspondence; Describedly prized after loop bar 2 resets, the end of the fore-set 35 of respective side and this offseted by the ratchet 23 prizing loop bar 2, disengaged with ratchet 11 by the ratchet 23 being prized loop bar 2 to make this.
The end of handle cover for wrench 3 is also integrally formed with auxiliary sleeve 4, is provided with the auxiliary through hole (not shown in FIG.) 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 between bar 41 and ripping bar 33 is provided with direction-changing device 5, to make to move one that 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 can prevent cuboid cylinder 52 from moving along the direction of guide channel 51; The both sides inwall of described cavity 6 is provided with upper and lower two groups of circular 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, aims at in two ripping bars 33 to make drive link 53.Because the end cross-sectional area moving bar 41 is comparatively large, no matter which precalculated position drive link 53 is positioned at, and moves bar 41 and can strike drive link 53.
Auxiliary sleeve 4 is fixed with a beche 8 by screw thread, described beche 8 with move bar 41 and be connected, and can drive and move bar 41 and move back and forth along auxiliary through hole.
In use, first drive link 53 is aimed at some ripping bars 33 by utilization orientation conversion equipment 5, then utilize beche to drive and move bar 41 and move back and forth, by drive link 53, this ripping bar 33 is impacted repeatedly, thus second back-moving spring 34 corresponding with it coordinates, this ripping bar 33 is moved 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 loop bar 2 that prized of correspondence, another is prized loop bar 2 and be in reset position 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, therefore can not affect the rotation of 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.Utilize an impact spanner like this, can screw bolt or dismantle, and not need to carry the different impact spanner of two rotation directions simultaneously.
Claims (8)
1. an impact spanner, is characterized in that comprising:
Tumbler: described tumbler is cylinder, and its side is provided with ratchet, the end of tumbler is provided with sleeve or sleeve Fang Ji;
Prized loop bar: the described loop bar that prized is made up of the loop bar main body of overlapping cave and be fixedly connected with cover side, cave, and described tumbler is installed in cover cave; The ratchet coordinated with described ratchet is installed in described loop bar main body, drives tumbler to do one-directional rotation in predetermined angular to enable being prized loop bar;
Handle cover for wrench: the through hole that described handle cover for wrench is provided with accommodating cavity and communicates with described accommodating cavity, the described loop bar that prized is rotatably installed in accommodating cavity, and described accommodating cavity is provided with the perforate of stretching out for described sleeve or sleeve Fang Ji in the position of corresponding tumbler; The first back-moving spring is provided with between described loop bar main body and accommodating cavity inwall; Be provided with ripping bar in described through hole, described ripping bar is provided with inclined-plane towards by the one end prizing loop bar, with make ripping bar towards prized loop bar move time, can make to be prized loop bar by described inclined-plane and rotate; Handle cover for wrench be provided with by ripping bar to away from by prized loop bar direction promote the second back-moving spring.
2. impact spanner according to claim 1, it is characterized in that describedly being prized loop bar and ripping bar respectively has two, the inclined-plane incline direction of described two ripping bars is contrary, is prized loop bar rotate in the opposite direction under the effect of the ripping bar of correspondence to make two; Described two two ends being placed on the ratchet of tumbler by the cover cave prizing loop bar respectively, two contrary by the incline direction being prized the ratchet of loop bar, with make different prized loop bar rotate time, tumbler can be driven to rotate in the opposite direction; The both sides inwall of described accommodating cavity is respectively fixed with a fore-set, is describedly prized after loop bar resets, the end of the fore-set of respective side and this offseted by the ratchet prizing loop bar, prized the ratchet of loop bar to make this and ratchet disengages.
3. impact spanner according to claim 2, is characterized in that the end of described handle cover for wrench is also 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 between bar and ripping bar is provided with direction-changing device, to enable to move one that bar promotes in two ripping bars selectively.
4. impact spanner according to claim 3, it is characterized in that described impact spanner comprise one with move bar and be connected, and drive the power set moved bar and move back and forth along auxiliary through hole.
5. impact spanner according to claim 3, is characterized 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, aims at in two ripping bars to make drive link.
6. the impact spanner according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that the inwall in described cover cave is provided with ratchet mounting groove, described ratchet is rotatably installed in ratchet mounting groove; Be provided with the 3rd back-moving spring between loop bar main body and ratchet, the free end of ratchet promotes to ratchet direction by described 3rd back-moving spring.
7. the impact spanner according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that described cover cave inwall or end are provided with annular stop step, described annular stop step is relative with the end face of described ratchet.
8. impact spanner according to claim 2, is characterized in that the described loop bar that prized is provided with fore-set and installs through hole, and described fore-set installs through hole through described fore-set and towards the ratchet of correspondence.
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 true CN105150146A (en) | 2015-12-16 |
| CN105150146B CN105150146B (en) | 2017-01-04 |
Family
ID=54791341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510440432.9A Active CN105150146B (en) | 2015-07-24 | 2015-07-24 | Impact spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105150146B (en) |
Cited By (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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4805496A (en) * | 1986-03-15 | 1989-02-21 | Paul Heinz-Wagner | Hydraulic power wrench |
| US5003847A (en) * | 1987-06-13 | 1991-04-02 | Wagner Paul Heinz | Hydraulic power wrench |
| 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 |
| CN104070486A (en) * | 2014-06-19 | 2014-10-01 | 何华忠 | Straight striking wrench |
-
2015
- 2015-07-24 CN CN201510440432.9A patent/CN105150146B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4805496A (en) * | 1986-03-15 | 1989-02-21 | Paul Heinz-Wagner | Hydraulic power wrench |
| US5003847A (en) * | 1987-06-13 | 1991-04-02 | Wagner Paul Heinz | Hydraulic power wrench |
| 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 |
| CN104070486A (en) * | 2014-06-19 | 2014-10-01 | 何华忠 | Straight striking wrench |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105150146B (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102083594B (en) | For the anvil assembly of power tool | |
| CN206623052U (en) | Percussion tool | |
| CA2450396C (en) | Rotary tool | |
| CN105150146A (en) | Striking wrench | |
| CN205043681U (en) | Spanner of quick assembly disassembly nut or bolt | |
| CN202528116U (en) | Assembling and disassembling tool for precision lock nut | |
| CN104760013A (en) | Ratchet wrench reversing structure | |
| US20230013436A1 (en) | Impact tool anvil with improved detent pin | |
| CN202174557U (en) | Device for mounting self-locking nut | |
| CN201940964U (en) | Bearing changing tool | |
| CN203918869U (en) | The straight spanner of beating | |
| CN204546384U (en) | Ratchet spanner commutating structure | |
| CN109514501B (en) | Cement nail gun | |
| CN209923703U (en) | Novel torque wrench | |
| CN108555812B (en) | Ball type anti-theft nut dismounting tool | |
| CN105479128A (en) | Lifting support for gas engine | |
| CN201519920U (en) | Multi-head sleeve spanner | |
| CN217453784U (en) | High lock bolt extracting tool | |
| CN203282407U (en) | Reversible roller pin socket spanner | |
| CN104070486A (en) | Straight striking wrench | |
| CN201235515Y (en) | Hand tool structure | |
| CN202895100U (en) | Hydraulic wrench | |
| CN212578522U (en) | Electric impact tool torsion impact mechanism handling device | |
| CN210819307U (en) | Solid wrench suitable for narrow space | |
| CN209831471U (en) | Wrench capable of realizing continuous screwing for building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |