CN108673397A - Gun-shaped fast-turn construction ratchet screwdriver - Google Patents
Gun-shaped fast-turn construction ratchet screwdriver Download PDFInfo
- Publication number
- CN108673397A CN108673397A CN201810672510.1A CN201810672510A CN108673397A CN 108673397 A CN108673397 A CN 108673397A CN 201810672510 A CN201810672510 A CN 201810672510A CN 108673397 A CN108673397 A CN 108673397A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- dextrorotation
- bevel gear
- handed
- pair
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
- B25B15/04—Screwdrivers operated by rotating the handle with ratchet action
-
- 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
- B25B17/00—Hand-driven gear-operated wrenches or screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses gun-shaped fast-turn construction ratchet screwdrivers,Including gun shaped shell,Enclosure interior is provided with a screwdriver bit extension bar,And the muzzle of shell is stretched out in one end of screwdriver bit extension bar,It is cased with two sections of loop bars outside screwdriver bit extension bar,Left and right is relatively set with dextrorotation pair ratchet on loop bar,Left-handed pair ratchet,It is respectively arranged with the main ratchet of dextrorotation on the right side of the left side of loop bar,Left-handed main ratchet,It is provided with reversing switch above screwdriver bit extension bar,Reversing switch connects dextrorotation pair ratchet,Left-handed pair ratchet,Dextrorotation pair ratchet will be driven by stirring reversing switch,Left-handed pair ratchet synchronizing moving,The first bevel gear affixed with left-handed main ratchet is provided between two loop bars,The affixed second bevel gear with the main ratchet of dextrorotation,It is engaged with a master bevel gear below first bevel gear and second bevel gear,By being equipped with slider at the handle of shell,Master bevel gear rotation will be driven by pressing slider transverse shifting.It is compact, easy to carry without power supply and motor, left and right Bidirectional driving structure is set, and applicability is good.
Description
Technical field
The present invention relates to a kind of screwdrivers, more particularly, to a kind of gun-shaped fast-turn construction ratchet screwdriver.
Background technology
Screwdriver as a kind of for tightening and revolving the tool of screw of sending, for mounting and dismounting screw under the prior art
Screwdriver be generally hand-wring type screwdriver, and driver bit is fixed, cannot flexibly be replaced according to actual needs.For
It solves the above problems, existing market has the screwdriver that has had electronic and replaceable driver bit, electric screw driver logical
It is standing to there is power supply, driving motor, driver bit, power to transmit row, driver bit clamping device and match with electric screw driver
The driver bit etc. of standby various different sizes.
But the driver bit being commonly provided with is placed and is carried using additional portable toolbox, or is positioned over and is assembled
Line is fixed in matched tool box, when replacing cutter head (such as changing straight screwdriver into Phillips screwdriver), first will be needed
Clamping device loosens, and removes the cutter head to be replaced, and new cutter head is taken out from tool box, is positioned in clamping device, locking.But
It is that this method for replacing cutter head needs to carry cutter head tool box, the operation under the place of narrow space or limiting case
When (such as high-altitude, Underwater Engineering) it is very inconvenient.And electric screw driver needs motor and accumulator, internal structure is complicated, production
It is of high cost and not energy-efficient.In addition ratchet one-way drive mechanism is usually used in the screwdriver of the prior art.This screwdriver can only
Make the one-directional rotation in a direction, and the noise of " rattling away " can be sent out in rotation.
Therefore how to design simple in structure, applicability is good and gun-shaped fast-turn construction ratchet screwdriver easy to use, become for
The direction of designer's thinking of the present invention.
Invention content
Technical problem to be solved by the invention is to provide a kind of gun-shaped fast-turn construction ratchet screwdrivers, are not necessarily to power supply and motor,
Compact, easy to carry, setting left and right Bidirectional driving structure, applicability are good.
Technical solution is used by the present invention solves above-mentioned technical problem：Gun-shaped fast-turn construction ratchet screwdriver, including gun shaped
Shell, enclosure interior are provided with a screwdriver bit extension bar, and the muzzle of shell is stretched out in one end of screwdriver bit extension bar, outside the screwdriver bit extension bar
It is cased with two sections of loop bars, left and right is relatively set with dextrorotation pair ratchet, left-handed secondary ratchet on the loop bar, dextrorotation pair ratchet, left-handed
Secondary ratchet can move axially along loop bar but can not occur with loop bar relative rotation, be respectively arranged on the right side of the left side of the loop bar
The main ratchet of dextrorotation, left-handed main ratchet, the screwdriver bit extension bar top are provided with reversing switch, and the reversing switch connects dextrorotation
Secondary ratchet, left-handed secondary ratchet, stirring reversing switch will drive dextrorotation pair ratchet, left-handed secondary ratchet synchronizing moving to realize and dextrorotation master
Ratchet or left-handed main ratchet engagement, be provided between two loop bars the first bevel gear affixed with left-handed main ratchet, with dextrorotation master
It is engaged with a master bevel gear below the affixed second bevel gear of ratchet, the first bevel gear and second bevel gear, institute
By being equipped with slider at the handle for the shell stated, pressing slider transverse shifting will drive master bevel gear rotation.
The further preferred embodiment of the present invention：The master bevel gear is horizontally disposed, and the lower section of the master bevel gear is solid
Surely be connected with spur gear, be provided with the rack engaged with spur gear on the slider, pressing slider transverse shifting will drive with
The master bevel gear rotation of spur gear connection.
The further preferred embodiment of the present invention：The set rod outer surface is rectangular configuration, the dextrorotation pair ratchet, a left side
Square hole is respectively provided on the secondary ratchet of rotation to be set in outside loop bar, master bevel gear rotation will drive first bevel gear, the second cone tooth
Rotation is taken turns, first bevel gear rotation will drive the left-handed main ratchet between two loop bars to rotate, and second bevel gear is rotated band
The main ratchet rotation of the dynamic dextrorotation between two loop bars.
The further preferred embodiment of the present invention：Notch is opened up above the shell, the upper end of the reversing switch is stretched
Go out notch and the meshing state for changing dextrorotation pair ratchet, left-handed secondary ratchet can be moved left and right within the scope of notch.
The further preferred embodiment of the present invention：Lateral sliding rail, the slider are provided in the handle of the shell
Mounted on sliding rail, being connected by spring between the slider and handle, pressing slider makes slider towards moving in handle, this
When spring compressed.
The further preferred embodiment of the present invention：The dextrorotation pair ratchet, left-handed secondary ratchet, the main ratchet of dextrorotation, left-handed master
Ratchet is unidirectional ratchet wheel.
Compared with the prior art, the advantages of the present invention are as follows first, the present invention is by pressing slider transverse shifting, inside
Mechanical structure is driven to drive the rotation of screwdriver bit extension bar, to realize the fixation and dismounting of screw.It is mechanical, electrical that electricity need not be designed
The structures such as source so that the present invention is integrally small and exquisite, easy to carry, can apply whenever and wherever possible.Two sections of loop bars are cased with outside screwdriver bit extension bar,
Left and right is relatively set with dextrorotation pair ratchet, left-handed secondary ratchet on loop bar, and dextrorotation pair ratchet, left-handed secondary ratchet can axially be moved along loop bar
Relative rotation is moved but can not be occurred with loop bar, the main ratchet of dextrorotation, left-handed main ratchet, screwdriver bit are respectively arranged on the right side of the left side of loop bar
Reversing switch is provided with above extension bar, reversing switch connects dextrorotation pair ratchet, left-handed secondary ratchet, stirs reversing switch drive is right
The secondary ratchet of rotation, left-handed secondary ratchet synchronizing moving are realized and the main ratchet of dextrorotation or left-handed main ratchet engagement.The present invention designs two sections of sets
Bar is both provided with the main ratchet of the dextrorotation that can be engaged, dextrorotation pair ratchet on two sections of loop bars, the left-handed main ratchet that can engage, the right side
The secondary ratchet of rotation.So as to realize the rotation of screwdriver bit extension bar both direction.Left and right Bidirectional driving structure is set, and applicability is good.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the present invention；
Fig. 3 is the internal state schematic diagram that reversing switch pushes left side；
Fig. 4 is the internal state schematic diagram that reversing switch pushes right side.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown in Figures 1 to 4：Gun-shaped fast-turn construction ratchet screwdriver, including gun shaped shell 1, shell 1 are internally provided with a screwdriver bit
Extension bar 2, and the muzzle of shell 1 is stretched out in one end of screwdriver bit extension bar 2, is cased with two sections of loop bars 3 outside screwdriver bit extension bar 2, left and right phase on loop bar 3
To being provided with dextrorotation pair ratchet 4, left-handed secondary ratchet 5, dextrorotation pair ratchet 4, left-handed secondary ratchet 5 can move axially but not along loop bar 3
Relative rotation can occur with loop bar 3, be respectively arranged with the main ratchet 6 of dextrorotation, left-handed main ratchet 7 on the right side of the left side of loop bar 3, screwdriver bit connects
2 top of bar is provided with reversing switch 8, and reversing switch 8 connects dextrorotation pair ratchet 4, left-handed secondary ratchet 5, stirs reversing switch 8 by band
Dynamic dextrorotation pair ratchet 4, the 5 synchronizing moving realization of left-handed secondary ratchet are engaged with the main ratchet 6 of dextrorotation or left-handed main ratchet 7, two loop bars 3
Between be provided with the first bevel gear 9 affixed with left-handed main ratchet 7, with the affixed second bevel gear 10 of the main ratchet 6 of dextrorotation, first
Bevel gear 9 engages with a master bevel gear 11 with 10 lower section of second bevel gear, by being equipped with slider at the handle of shell 1
12, pressing 12 transverse shifting of slider will drive master bevel gear 11 to rotate.
Master bevel gear 11 is horizontally disposed, and the lower section of master bevel gear 11 is fixedly connected with spur gear 21, is provided on slider 12
The rack 22 engaged with spur gear 21, pressing 12 transverse shifting of slider will drive the master bevel gear 11 being connect with spur gear 21 to revolve
Turn.
3 outer surface of loop bar is rectangular configuration, and being respectively provided with square hole on dextrorotation pair ratchet 4, left-handed secondary ratchet 5 is set in loop bar 3
Outside, the rotation of master bevel gear 11 will drive first bevel gear 9, second bevel gear 10 to rotate, and drive is located at by the rotation of first bevel gear 9
Left-handed main ratchet 7 rotation between two loop bars 3, the rotation of second bevel gear 10 will drive the main spine of dextrorotation between two loop bars 3
Tooth 6 rotates.Rectangular configuration is ideal shape, it is ensured that the rotation of dextrorotation pair ratchet 4, left-handed secondary ratchet 5 can drive screwdriver bit to connect
Bar 2 rotates.
1 top of shell opens up notch 23, and the upper end of reversing switch 8 is stretched out notch 23 and can be controlled in 23 range of notch
The mobile meshing state for changing dextrorotation pair ratchet 4, left-handed secondary ratchet 5.The direction of rotation of screwdriver bit extension bar 2 is adjusted convenient for user.
Lateral sliding rail is provided in the handle of shell 1, slider 12 is mounted on sliding rail, passes through bullet between slider 12 and handle
Spring 24 connects, and pressing slider 12 is so that slider 12 is towards moving in handle, and spring 24 is compressed at this time.The effect of spring 24, can
So that 12 homing of slider.
Dextrorotation pair ratchet 4, left-handed secondary ratchet 5, the main ratchet 6 of dextrorotation, left-handed main ratchet 7 are unidirectional ratchet wheel.Unidirectional spine
Gear so that when slider 12 is replied, screwdriver bit extension bar 2 will not be driven to circle round.
When the present invention works, reversing switch 8 is pushed into left side, is engaged at this time for the main ratchet of dextrorotation pair ratchet 4 and dextrorotation 6,
Left-handed pair ratchet 5 is detached with left-handed main ratchet 7.At this point, pressing slider 12 drives master bevel gear 11, master bevel gear 11 to drive second
Bevel gear 10 rotates, and the rotation of second bevel gear 10 will drive the main ratchet of dextrorotation between two loop bars 36 to rotate.The main spine of dextrorotation
Tooth 6 is engaged with dextrorotation pair ratchet 4, therefore dextrorotation pair ratchet 4（Dextrorotation pair ratchet 4 herein refers to the right side being located on right end loop bar 3
Rotation pair ratchet 4）Rotation drives screwdriver bit extension bar 2 to rotate, to realize rotating clockwise for screw.
It when screw is Pre strained state, at this moment needs big driving force to tighten screw, rotates clockwise shell 1, be located at a left side
The main ratchet 6 of dextrorotation in 3 left side of side loop bar drives the dextrorotation pair ratchet 4 engaged（Dextrorotation pair ratchet 4 herein refers to being located at a left side
Dextrorotation pair ratchet 4 on end cap bar 3）Toward right rotation, to make screwdriver bit extension bar 2 rotate clockwise.
In the present invention, whether the convolution of shell 1 or slider 12 retreat to original position next time in the effect of spring 24, due to relating to
And ratchet-gear wheel on pawl be unidirectional pawl, can't drive screwdriver bit extension bar 2 turn round, screwdriver bit extension bar 2 can due to screw pact
Shu Budong.
It can similarly obtain, reversing switch 8 is pushed into right side, be engaged at this time with left-handed main ratchet 7 for left-handed secondary ratchet 5,
The main ratchet of dextrorotation pair ratchet 4 and dextrorotation 6 detaches.At this point, pressing slider 12 drives master bevel gear 11, master bevel gear 11 to drive first
Bevel gear 9 rotates, and the rotation of first bevel gear 9 will drive the left-handed main ratchet 7 between two loop bars 3 to rotate.Left-handed main ratchet 7
It is engaged with left-handed secondary ratchet 5, therefore left-handed secondary ratchet 5（Left-handed secondary ratchet 5 herein refers to left-handed on left end loop bar 3
Secondary ratchet 5）Rotation drives screwdriver bit extension bar 2 to rotate, to realize the rotation counterclockwise of screw.
When screw is Pre strained state, big driving force is at this moment needed to tighten screw, rotate shell 1 counterclockwise, is located at the right side
The left-handed main ratchet 7 on 3 right side of side loop bar drives the left-handed secondary ratchet 5 engaged（Left-handed secondary ratchet 5 herein refers to being located at the right side
Left-handed secondary ratchet 5 on end cap bar 3）Toward anticlockwise, to make screwdriver bit extension bar 2 toward rotation counterclockwise.
Above two working method is to be directed to screw tightening.And carry out this procedure for back-outing the screw of locking and
Speech, operation principle are identical, it is only necessary to which reversing switch 8 is adjusted such that the direction that user wants.If unscrewing screw
In the process, it is found that directly pressing slider 12 is more painstaking, then rotation shell 1 may be used by after the screw of tension in advance loosening,
Slider 12 is pressed again quickly to back-out screw.
The present invention devises two groups of ratchets, is responsible for being driven by slider 12 for one group and criticize in any one direction rotary screw
Head extension bar 2 rotates, and realizes quickly low torsion；It is responsible for for another group driving screwdriver bit extension bar 2 to rotate by shell, realizes high torsion demand.
It is possible thereby to meet all demands of user's rotation screw.
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
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (6)
1. gun-shaped fast-turn construction ratchet screwdriver, including gun shaped shell, enclosure interior is provided with a screwdriver bit extension bar, and the one of screwdriver bit extension bar
The muzzle of shell is stretched out at end, it is characterised in that two sections of loop bars is cased with outside the screwdriver bit extension bar, left and right is opposite on the loop bar
It is provided with dextrorotation pair ratchet, left-handed secondary ratchet, dextrorotation pair ratchet, left-handed secondary ratchet can move axially along loop bar but can not be with loop bars
Relative rotation occurs, is respectively arranged with the main ratchet of dextrorotation, left-handed main ratchet on the right side of the left side of the loop bar, the screwdriver bit connects
Reversing switch is provided with above bar, the reversing switch connects dextrorotation pair ratchet, left-handed secondary ratchet, stirs reversing switch by band
Dynamic dextrorotation pair ratchet, left-handed secondary ratchet synchronizing moving is realized and the main ratchet of dextrorotation or left-handed main ratchet engagement, between two loop bars
It is provided with the first bevel gear affixed with left-handed main ratchet, bored with the affixed second bevel gear of the main ratchet of dextrorotation, described first
It engages with a master bevel gear below gear and second bevel gear, by being equipped with slider at the handle of the shell, presses
Press slider transverse shifting that will drive master bevel gear rotation.
2. gun-shaped fast-turn construction ratchet screwdriver according to claim 1, it is characterised in that the master bevel gear is horizontally disposed,
It is fixedly connected with spur gear below the master bevel gear, the rack engaged with spur gear is provided on the slider, is pressed
Pressure slider transverse shifting will drive the master bevel gear being connect with spur gear to rotate.
3. gun-shaped fast-turn construction ratchet screwdriver according to claim 1, it is characterised in that the set rod outer surface is rectangle
Structure is respectively provided with square hole on the dextrorotation pair ratchet, left-handed secondary ratchet and is set in outside loop bar, and master bevel gear rotation will
Drive first bevel gear, second bevel gear rotation, first bevel gear rotation that will drive the left-handed main ratchet between two loop bars
Rotation, second bevel gear rotation will drive the main ratchet of the dextrorotation between two loop bars to rotate.
4. gun-shaped fast-turn construction ratchet screwdriver according to claim 1, it is characterised in that notch is opened up above the shell,
The upper end of the reversing switch, which is stretched out notch and can be moved left and right within the scope of notch, changes dextrorotation pair ratchet, left-handed secondary spine
The meshing state of tooth.
5. gun-shaped fast-turn construction ratchet screwdriver according to claim 1, it is characterised in that setting in the handle of the shell
There are lateral sliding rail, the slider to be mounted on sliding rail, connected by spring between the slider and handle, pressing slider makes
Slider towards moving in handle, spring is compressed at this time.
6. gun-shaped fast-turn construction ratchet screwdriver according to claim 1, it is characterised in that the dextrorotation pair ratchet, left-handed pair
Ratchet, the main ratchet of dextrorotation, left-handed main ratchet are unidirectional ratchet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672510.1A CN108673397B (en) | 2018-06-26 | 2018-06-26 | Gun type quick-rotating ratchet screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672510.1A CN108673397B (en) | 2018-06-26 | 2018-06-26 | Gun type quick-rotating ratchet screwdriver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108673397A true CN108673397A (en) | 2018-10-19 |
| CN108673397B CN108673397B (en) | 2023-12-08 |
Family
ID=63812083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810672510.1A Active CN108673397B (en) | 2018-06-26 | 2018-06-26 | Gun type quick-rotating ratchet screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108673397B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110269746A (en) * | 2019-06-13 | 2019-09-24 | 梁超 | A kind of ear-nose-throat department clinical operation device |
| CN109793564B (en) * | 2019-04-04 | 2021-03-16 | 南通市第一人民医院 | Restorer capable of supporting collapsed vertebral end plate |
| GB2595762A (en) * | 2020-04-27 | 2021-12-08 | Snap On Tools Corp | Inline ratcheting mechanism |
| CN115153737A (en) * | 2022-06-20 | 2022-10-11 | 吉林大学 | Medical electric right-angle screwdriver |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109793564B (en) * | 2019-04-04 | 2021-03-16 | 南通市第一人民医院 | Restorer capable of supporting collapsed vertebral end plate |
| CN110269746A (en) * | 2019-06-13 | 2019-09-24 | 梁超 | A kind of ear-nose-throat department clinical operation device |
| GB2595762A (en) * | 2020-04-27 | 2021-12-08 | Snap On Tools Corp | Inline ratcheting mechanism |
| GB2595762B (en) * | 2020-04-27 | 2022-08-10 | Snap On Tools Corp | Inline ratcheting mechanism |
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| CN115153737A (en) * | 2022-06-20 | 2022-10-11 | 吉林大学 | Medical electric right-angle screwdriver |
| CN115153737B (en) * | 2022-06-20 | 2024-03-22 | 吉林大学 | Medical electric right angle screwdriver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108673397B (en) | 2023-12-08 |
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