CN107234306A - A kind of quick tapping tool of bidirectional ratchet - Google Patents
A kind of quick tapping tool of bidirectional ratchet Download PDFInfo
- Publication number
- CN107234306A CN107234306A CN201710641942.1A CN201710641942A CN107234306A CN 107234306 A CN107234306 A CN 107234306A CN 201710641942 A CN201710641942 A CN 201710641942A CN 107234306 A CN107234306 A CN 107234306A
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- China
- Prior art keywords
- ratchet
- gear wheel
- drive
- guide rod
- bar
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/26—Manually-operated thread-cutting devices
- B23G1/265—Die and tap wrenches with a guiding part
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
The present invention discloses a kind of quick tapping tool of bidirectional ratchet, including screw tap, chuck, guide rod, two-way ratchet device, drive rod and reversing arrangement；The screw tap is arranged on chuck, chuck is arranged on guide rod lower end, and screw tap, chuck and guide rod coaxial rotating, the two-way ratchet device are installed on the guide bar, and two-way ratchet device drives guide rod coaxial rotating, the drive rod, reversing arrangement are connected with two-way ratchet device respectively；The direction of rotation of two-way ratchet device and guide rod is controlled to adjust by reversing arrangement, then drives two-way ratchet device, guide rod accordingly to rotate by drive rod.A kind of quick tapping tool of bidirectional ratchet that the present invention is provided, relatively existing leading screw tapping tool can further improve operating efficiency, reduce tapping difficulty, improve influence of the periphery barrier to tapping process, expand application.
Description
Technical field
The present invention relates to a kind of tapping tool, more particularly to a kind of quick tapping tool of bidirectional ratchet.
Background technology
Tapping is that screw tap is screwed in into bottom outlet with certain moment of torsion, the technique for processing internal thread.Existing hand tapping is
Tapping is carried out using leading screw clamping screw tap.In tapping process, operating personnel need both hands to hold after rotatable handle certain angle, hand over
Could continuous tapping for both hands.Due to both hands blocked operation, screw tap and the axiality in processing hole should not be controlled, and to operating personnel
Technical requirements it is high, inefficiency；Also, when hole to be processed is close to barrier, leading screw can not continuously rotate, and limit general
The application of harness cord thick stick.
Therefore, the technical requirements to operating personnel how are reduced, operating efficiency is improved, the machine direction of screw tap is controlled, expanded
The application of big instrument, is one of those skilled in the art's critical problem urgently to be resolved hurrily.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of quick tapping tool of bidirectional ratchet, it can control
Screw tap direction, improves tapping efficiency, effectively expands application.
To achieve these goals, the quick tapping tool of a kind of bidirectional ratchet that uses of the present invention, including screw tap, chuck,
Guide rod, two-way ratchet device, drive rod and reversing arrangement；
The screw tap be arranged on chuck on, chuck be arranged on guide rod lower end, screw tap, chuck and guide rod coaxial rotating,
The two-way ratchet device is installed on the guide bar, and two-way ratchet device drives guide rod coaxial rotating, the drive rod, is changed
It is connected respectively with two-way ratchet device to device；
The direction of rotation of two-way ratchet device and guide rod is controlled to adjust by reversing arrangement, then it is double by drive rod drive
Accordingly rotated to ratchet device, guide rod.
As an improvement, the guide rod includes perpendicular knife bar, back-up ring one, bearing, pilot sleeve and caster assembly therefor；
The perpendicular knife bar is connected with chuck, and back-up ring one is arranged on the outside of perpendicular knife bar, and bearing is arranged on the end of perpendicular knife bar,
The pilot sleeve is coaxially mounted to the outside of perpendicular knife bar, and pilot sleeve can along perpendicular knife bar end bearing rotary, it is described to lead
The outside of pilot sleeve is arranged on to handle.
As an improvement, the two-way ratchet device includes pawl seat, ratchet-gear wheel, ratchet one, ratchet two, spring one, spring
2nd, back-up ring two, packing ring and upper lid；
The two-way ratchet device is arranged on the middle part of guide rod, and the perpendicular knife bar is co-axially mounted with ratchet-gear wheel, and ratchet
Wheel is engaged perpendicular knife bar synchronous rotary by interior teeth；
The ratchet-gear wheel is arranged in pawl seat, and back-up ring two is arranged on ratchet-gear wheel lower end, and the packing ring is arranged on ratchet-gear wheel
Top, the upper lid is arranged on packing ring；
The spring one is arranged on the lower section of ratchet one, spring two and is arranged on the lower section of ratchet two, and ratchet one, ratchet two and spine
Gear coordinates；
Outer ratchet engagement between ratchet one, ratchet two or with ratchet-gear wheel is controlled by reversing arrangement, the rotation of ratchet-gear wheel is controlled
Turn direction.
As an improvement, the drive rod include side tool bar, place kick, spacing ball, retaining spring, positive stop, back-up ring three,
Drive sleeve and driving handle；
The drive rod is connected with two-way ratchet device, and the rotation for being converted into guide rod by the reciprocally swinging of drive rod is transported
It is dynamic；
The side tool bar is fixedly connected with pawl seat, and the drive sleeve is coaxially mounted to the outside of side tool bar, actuating sleeve
The back-up ring three is provided between cylinder and side tool bar；
It is provided with the side tool bar in circumferential stopper slot, positioning pit, the stopper slot and is provided with spacing ball, is provided with positioning pit
Place kick, the drive sleeve, which is provided with, to be used to fasten the retaining spring of place kick, the positive stop for fastening spacing ball；
The drive sleeve is moved back and forth under spacing ball effect along the circumferential stopper slot on side tool bar.
As an improvement, the reversing arrangement includes ratchet pusher dog, bearing pin, plectrum, drive link, axle sleeve and clamp nut；
The drive link is arranged in side tool bar, and the one end of drive link is provided with axle sleeve, and the drive link is by compressing
Nut is fastenedly connected with drive sleeve, and drive link, drive sleeve are rotated coaxially, and the other end and the plectrum of the drive link are consolidated
Even, plectrum inserts the afterbody chute of ratchet pusher dog, stirs ratchet pusher dog along bearing pin reciprocally swinging；
The ratchet pusher dog is in contact with ratchet one, ratchet two, stirs ratchet one or ratchet two and is nibbled with the outer ratchet of ratchet-gear wheel
Close, control the direction of rotation of ratchet-gear wheel.
As a further improvement, the side tool bar is provided with half arc positioning pit one and positioning pit two, the positioning pit one
With positioning pit two along the circumferentially-spaced arrangement of side tool bar.
As a further improvement, when the driving handle is controlled to go to positioning pit a period of time, drive sleeve and transmission by wrist
The same angle motion of bar, the connected plectrum of transmission boom end stirs ratchet pusher dog and reaches operating position one, makes ratchet one and ratchet-gear wheel
Outer ratchet engagement, the outer ratchet of ratchet two and ratchet-gear wheel disconnects, now, ratchet-gear wheel and perpendicular knife bar can drive rod reciprocally swinging
Under effect, progress tapping operation is rotated in a clockwise direction；
When the driving handle goes to positioning pit two by wrist control, drive sleeve and the same angle motion of drive link are passed
The connected plectrum of end part of movable rod stirs ratchet pusher dog and reaches operating position two, ratchet one is disconnected with the outer ratchet of ratchet-gear wheel, ratchet two
With the outer ratchet engagement of ratchet-gear wheel, now, ratchet-gear wheel and perpendicular knife bar can be under the reciprocally swinging effects of drive rod, along side counterclockwise
Withdrawing operation is carried out to rotation.
Compared with prior art, the quick tapping tool of a kind of bidirectional ratchet that the present invention is provided, utilizes two-way ratchet device
And reversing arrangement, the directional rotating of two-way ratchet device is controlled by the angles shifts of driving handle, during operation, by left hand control
Caster assembly therefor makes screw tap coaxial with bottom outlet, and driving handle is controlled by the right hand, and tap tapping is driven by the reciprocally swinging of right arm,
The rotation direction of screw tap is controlled by the postural change of right finesse.
A kind of quick tapping tool of bidirectional ratchet that the present invention is provided, relatively existing leading screw tapping tool can be improved further
Operating efficiency, reduces tapping difficulty, improves influence of the periphery barrier to tapping process, expands application.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the quick tapping tool of bidirectional ratchet of the present invention；
Fig. 2 is the guide rod perspective exploded view of the quick tapping tool of bidirectional ratchet of the present invention；
Fig. 3 is the stereochemical structure decomposing schematic representation of two-way ratchet device in the quick tapping tool of bidirectional ratchet of the invention；
Fig. 4 is the stereochemical structure decomposing schematic representation of drive rod in the quick tapping tool of bidirectional ratchet of the invention；
Fig. 5 is the quick tapping tool of bidirectional ratchet of the present invention along the diagrammatic cross-section after the line A-A cutting in Fig. 1；
Fig. 6 is that the driving handle of the quick tapping tool of bidirectional ratchet of the present invention is in state for the moment, along the B-B in Fig. 5
Diagrammatic cross-section after line cutting；
Fig. 7 be the present invention the quick tapping tool of bidirectional ratchet driving handle be in state two when, along the B-B in Fig. 5
Diagrammatic cross-section after line cutting；
In figure：1st, screw tap, 2, chuck, 3, guide rod, 31, perpendicular knife bar, 32, back-up ring one, 33, bearing, 34, pilot sleeve,
35th, caster assembly therefor, 4, two-way ratchet device, 41, pawl seat, 42, ratchet-gear wheel, 43, ratchet one, 44, ratchet two, 45, spring one,
46th, spring two, 47, back-up ring two, 48, packing ring, 49, upper lid, 5, drive rod, 51, side tool bar, 511, stopper slot, 512, positioning pit
One, 513, positioning pit two, 52, place kick, 53, spacing ball, 54, retaining spring, 55, positive stop, 56, back-up ring three, 57, driving
Sleeve, 58, driving handle, 6, reversing arrangement, 61, ratchet pusher dog, 62, bearing pin, 63, plectrum, 64, drive link, 65, axle sleeve, 66,
Clamp nut.
Embodiment
It is right below by accompanying drawing and embodiment to make the object, technical solutions and advantages of the present invention of greater clarity
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only to explain this hair
Scope that is bright, being not intended to limit the invention.
Unless otherwise defined, all technical terms and scientific terminology used herein are led with belonging to the technology of the present invention
The implication that the technical staff in domain is generally understood that is identical, and used term is intended merely to retouch in the description of the invention herein
State the purpose of specific embodiment, it is not intended that in the limitation present invention.
As shown in figure 1, a kind of quick tapping tool of bidirectional ratchet, including screw tap 1, chuck 2, guide rod 3, bidirectional ratchet dress
Put 4, drive rod 5 and reversing arrangement 6；
The screw tap 1 is arranged on chuck 2, and screw tap 1 is clamped using chuck 2, and chuck 2 is arranged on the lower end of guide rod 3, screw tap
1st, chuck 2 and the coaxial rotating of guide rod 3, the two-way ratchet device 4 is arranged on guide rod 3, and two-way ratchet device 4 drives
The coaxial rotating of guide rod 3, the drive rod 5, reversing arrangement 6 are connected with two-way ratchet device 4 respectively；
The tapping tool controls to adjust the direction of rotation of two-way ratchet device 4 and guide rod 3 by reversing arrangement 6, then leads to
Bar 5 of overdriving drives two-way ratchet device 4, guide rod 3 accordingly to rotate.
As the improvement of embodiment, as shown in Figure 1, Figure 2 and Figure 3, the guide rod 3 include perpendicular knife bar 31, back-up ring 1,
Bearing 33, pilot sleeve 34 and caster assembly therefor 35；
The perpendicular knife bar 31 is connected with chuck 2, and back-up ring 1 is arranged on the outside of perpendicular knife bar 31, and bearing 33 is arranged on perpendicular knife
The end of bar 31, the pilot sleeve 34 is coaxially mounted to the outside of perpendicular knife bar 31, and pilot sleeve 34 can be along the perpendicular end of knife bar 31
The bearing 33 in portion rotates, and the caster assembly therefor 35 is arranged on the outside of pilot sleeve 34.
As the improvement of embodiment, as shown in figures 1 and 3, the two-way ratchet device 4 includes pawl seat 41, ratchet-gear wheel
42nd, ratchet 1, ratchet 2 44, spring 1, spring 2 46, back-up ring 2 47, packing ring 48 and upper lid 49；
The two-way ratchet device 4 is arranged on the middle part of guide rod 3, and the perpendicular knife bar 31 is co-axially mounted with ratchet-gear wheel 42,
And ratchet-gear wheel 42 is engaged the perpendicular synchronous rotary of knife bar 31 by interior teeth；
The ratchet-gear wheel 42 is arranged in pawl seat 41, and back-up ring 2 47 is arranged on the lower end of ratchet-gear wheel 42, and the packing ring 48 is pacified
Mounted in the top of ratchet-gear wheel 42, the upper lid 49 is arranged on packing ring 48；
The spring 1 is arranged on the lower section of ratchet 1, spring 2 46 and is arranged on below ratchet 2 44, and ratchet 1,
Ratchet 2 44 coordinates with ratchet-gear wheel 42；
Outer ratchet engagement between ratchet 1, ratchet 2 44 or with ratchet-gear wheel 42 is controlled by reversing arrangement 6, ratchet is controlled
The direction of rotation of wheel 42.
As the improvement of embodiment, as shown in Figure 1 and Figure 4, the drive rod 5 includes side tool bar 51, place kick 52, spacing
Ball 53, retaining spring 54, positive stop 55, back-up ring 3 56, drive sleeve 57 and driving handle 58；
The drive rod 5 is connected with two-way ratchet device 4, and the rotation of guide rod 3 is converted into by the reciprocally swinging of drive rod 5
Transhipment is dynamic；
The side tool bar 51 is fixedly connected with pawl seat 41, and the drive sleeve 57 is coaxially mounted to the outer of side tool bar 51
Side, is provided with the back-up ring 3 56 between drive sleeve 57 and side tool bar 51；
It is provided with the side tool bar 51 in circumferential stopper slot 511, positioning pit, the stopper slot 511 and is provided with spacing ball 53, it is fixed
Place kick 52 is provided with the hole of position, the drive sleeve 57, which is provided with, to be used to fasten the retaining spring 54 of place kick 52, for fastening
The positive stop 55 of spacing ball 53；
The drive sleeve 57 is moved back and forth under the effect of spacing ball 53 along the circumferential stopper slot 511 on side tool bar 51.
As the improvement of embodiment, as shown in Fig. 3-Fig. 7, the reversing arrangement 6 includes ratchet pusher dog 61, bearing pin 62, dialled
Piece 63, drive link 64, axle sleeve 65 and clamp nut 66；
The drive link 64 is arranged in side tool bar 51, and the one end of drive link 64 is provided with axle sleeve 65, the drive link
64 are fastenedly connected by clamp nut 66 with drive sleeve 57, and drive link 64, drive sleeve 57 are rotated coaxially, the drive link
64 the other end is connected with plectrum 63, the afterbody chute of the insertion ratchet of plectrum 63 pusher dog 61, stirs ratchet pusher dog 61 along bearing pin
62 reciprocally swingings；
The ratchet pusher dog 61 is in contact with ratchet 1, ratchet 2 44, stirs ratchet 1 or ratchet 2 44 and ratchet
42 outer ratchet engagements are taken turns, the direction of rotation of ratchet-gear wheel 42 is controlled.
As the further improvement of embodiment, as shown in figure 4, the side tool bar 51 is provided with half arc positioning pit 1
With positioning pit 2 513, the positioning pit 1 and positioning pit 2 513 are along the circumferentially-spaced arrangement of side tool bar 51.
During operation, make screw tap 1 and bottom outlet coaxial by left hand control caster assembly therefor 35, driving handle 58 is controlled by the right hand, led to
The reciprocally swinging driving tap tapping of right arm is crossed, the rotation direction of screw tap is controlled by the rotation postural change of right finesse.
Specifically, as shown in fig. 6, when the driving handle 58 by wrist control go to positioning pit 1 when, drive sleeve
57 and the same angle motion of drive link 64, the end of drive link 64 plectrum 63 that is connected stirs ratchet pusher dog 61 and reaches operating position one, makes
The outer ratchet engagement of ratchet 1 and ratchet-gear wheel 42, the outer ratchet of ratchet 2 44 and ratchet-gear wheel 42 disconnects, now, ratchet-gear wheel 42 and
Perpendicular knife bar 31 can be rotated in a clockwise direction progress tapping operation under the reciprocally swinging effect of drive rod 5；
In addition, as shown in fig. 7, when the driving handle 58 by wrist control go to positioning pit 2 513 when, drive sleeve 57
And the same angle motion of drive link 64, the end of drive link 64 be connected plectrum 63 stir ratchet pusher dog 61 reach operating position two, make spine
Pawl 1 disconnects with the outer ratchet of ratchet-gear wheel 42, the outer ratchet engagement of ratchet 2 44 and ratchet-gear wheel 42, now, ratchet-gear wheel 42 and perpendicular knife
Bar 31 can be under the reciprocally swinging effect of drive rod 5, and rotation in the counterclockwise direction carries out withdrawing operation.
A kind of quick tapping tool of bidirectional ratchet that the present invention is provided, relatively existing leading screw tapping tool can be improved further
Operating efficiency, reduces tapping difficulty, improves influence of the periphery barrier to tapping process, expands application.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of quick tapping tool of bidirectional ratchet, it is characterised in that including screw tap (1), chuck (2), guide rod (3), two-way
Ratchet device (4), drive rod (5) and reversing arrangement (6)；
The screw tap (1) is arranged on chuck (2), and chuck (2) is arranged on guide rod (3) lower end, and screw tap (1), chuck (2) are with leading
To bar (3) coaxial rotating, the two-way ratchet device (4) is arranged on guide rod (3), and two-way ratchet device (4) drives and led
To bar (3) coaxial rotating, the drive rod (5), reversing arrangement (6) are connected with two-way ratchet device (4) respectively；
The direction of rotation of two-way ratchet device (4) and guide rod (3) is controlled to adjust by reversing arrangement (6), then passes through drive rod
(5) two-way ratchet device (4), guide rod (3) is driven accordingly to rotate.
2. a kind of quick tapping tool of bidirectional ratchet according to claim 1, it is characterised in that guide rod (3) bag
Include perpendicular knife bar (31), back-up ring one (32), bearing (33), pilot sleeve (34) and caster assembly therefor (35)；
The perpendicular knife bar (31) is connected with chuck (2), and back-up ring one (32) is arranged on the outside of perpendicular knife bar (31), and bearing (33) is installed
In the end of perpendicular knife bar (31), the pilot sleeve (34) is coaxially mounted to the outside of perpendicular knife bar (31), and pilot sleeve (34)
It can be rotated along the bearing (33) of perpendicular knife bar (31) end, the caster assembly therefor (35) is arranged on the outside of pilot sleeve (34).
3. a kind of quick tapping tool of bidirectional ratchet according to claim 2, it is characterised in that the two-way ratchet device
(4) pawl seat (41), ratchet-gear wheel (42), ratchet one (43), ratchet two (44), spring one (45), spring two (46), back-up ring are included
Two (47), packing ring (48) and upper lid (49)；
The two-way ratchet device (4) is arranged on the middle part of guide rod (3), the perpendicular knife bar (31) and the coaxial peace of ratchet-gear wheel (42)
Dress, and ratchet-gear wheel (42) is engaged perpendicular knife bar (31) synchronous rotary by interior teeth；
The ratchet-gear wheel (42) is arranged in pawl seat (41), and back-up ring two (47) is arranged on ratchet-gear wheel (42) lower end, the packing ring
(48) it is arranged on above ratchet-gear wheel (42), the upper lid (49) is arranged on packing ring (48)；
The spring one (45) is arranged on below ratchet one (43), spring two (46) is arranged on below ratchet two (44), and ratchet
One (43), ratchet two (44) and ratchet-gear wheel (42) coordinate；
Outer ratchet engagement between ratchet one (43), ratchet two (44) or with ratchet-gear wheel (42), control are controlled by reversing arrangement (6)
The direction of rotation of ratchet-gear wheel (42).
4. a kind of quick tapping tool of bidirectional ratchet according to claim 3, it is characterised in that drive rod (5) bag
Include side tool bar (51), place kick (52), spacing ball (53), retaining spring (54), positive stop (55), back-up ring three (56), driving
Sleeve (57) and driving handle (58)；
The drive rod (5) is connected with two-way ratchet device (4), and guide rod (3) is converted into by the reciprocally swinging of drive rod (5)
Rotary motion；
The side tool bar (51) is fixedly connected with pawl seat (41), and the drive sleeve (57) is coaxially mounted to side tool bar (51)
Outside, is provided with the back-up ring three (56) between drive sleeve (57) and side tool bar (51)；
It is provided with the side tool bar (51) in circumferential stopper slot (511), positioning pit, the stopper slot (511) and is provided with spacing ball
(53) place kick (52), is provided with positioning pit, the drive sleeve (57) is provided with the positioning bullet for being used for fastening place kick (52)
Spring (54), the positive stop (55) for fastening spacing ball (53)；
The drive sleeve (57) is back and forth transported under spacing ball (53) effect along the circumferential stopper slot (511) on side tool bar (51)
It is dynamic.
5. a kind of quick tapping tool of bidirectional ratchet according to claim 4, it is characterised in that the reversing arrangement (6)
Including ratchet pusher dog (61), bearing pin (62), plectrum (63), drive link (64), axle sleeve (65) and clamp nut (66)；
The drive link (64) is arranged in side tool bar (51), and the one end of drive link (64) is provided with axle sleeve (65), described to pass
Lever (64) is fastenedly connected by clamp nut (66) with drive sleeve (57), and drive link (64), drive sleeve (57) are coaxial
Rotate, the other end and the plectrum (63) of the drive link (64) are connected, and the afterbody of plectrum (63) insertion ratchet pusher dog (61) is slided
Groove, stirs ratchet pusher dog (61) along bearing pin (62) reciprocally swinging；
The ratchet pusher dog (61) is in contact with ratchet one (43), ratchet two (44), stirs ratchet one (43) or ratchet two (44)
With ratchet-gear wheel (42) outer ratchet engagement, the direction of rotation of control ratchet-gear wheel (42).
6. a kind of quick tapping tool of bidirectional ratchet according to claim 4 or 5, it is characterised in that the side tool bar
(51) half arc positioning pit one (512) and positioning pit two (513), the positioning pit one (512) and positioning pit two (513) are provided with
Along the circumferentially-spaced arrangement of side tool bar (51).
7. the quick tapping tool of a kind of bidirectional ratchet according to claim 6, it is characterised in that when the driving handle
(58) when going to positioning pit one (512) by wrist control, drive sleeve (57) and drive link (64) same to angle motion, drive link
(64) the connected plectrum (63) in end stirs ratchet pusher dog (61) and reaches operating position one, makes ratchet one (43) and ratchet-gear wheel (42)
Outer ratchet engagement, the outer ratchet of ratchet two (44) and ratchet-gear wheel (42) disconnects, now, and ratchet-gear wheel (42) and perpendicular knife bar (31) can be
Under the reciprocally swinging effect of drive rod (5), progress tapping operation is rotated in a clockwise direction；
When the driving handle (58) goes to positioning pit two (513) by wrist control, drive sleeve (57) and drive link (64)
Same angle motion, the connected plectrum (63) in drive link (64) end stirs ratchet pusher dog (61) and reaches operating position two, makes ratchet one
(43) disconnected with the outer ratchet of ratchet-gear wheel (42), the outer ratchet engagement of ratchet two (44) and ratchet-gear wheel (42), now, ratchet-gear wheel (42)
And perpendicular knife bar (31) can be under the reciprocally swinging effect of drive rod (5), rotation in the counterclockwise direction carries out withdrawing operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641942.1A CN107234306A (en) | 2017-07-31 | 2017-07-31 | A kind of quick tapping tool of bidirectional ratchet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641942.1A CN107234306A (en) | 2017-07-31 | 2017-07-31 | A kind of quick tapping tool of bidirectional ratchet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107234306A true CN107234306A (en) | 2017-10-10 |
Family
ID=59989428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710641942.1A Pending CN107234306A (en) | 2017-07-31 | 2017-07-31 | A kind of quick tapping tool of bidirectional ratchet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107234306A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108480789A (en) * | 2018-05-22 | 2018-09-04 | 北京市自来水集团禹通市政工程有限公司 | Hydraulic pipeline beveling machine |
| CN110480107A (en) * | 2019-08-14 | 2019-11-22 | 中国一冶集团有限公司 | A kind of foundation bolt prosthetic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480789A (en) * | 2018-05-22 | 2018-09-04 | 北京市自来水集团禹通市政工程有限公司 | Hydraulic pipeline beveling machine |
| CN110480107A (en) * | 2019-08-14 | 2019-11-22 | 中国一冶集团有限公司 | A kind of foundation bolt prosthetic device |
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