CN103507009A - Multi-rotation ratchet screwdriver - Google Patents
Multi-rotation ratchet screwdriver Download PDFInfo
- Publication number
- CN103507009A CN103507009A CN201310505585.8A CN201310505585A CN103507009A CN 103507009 A CN103507009 A CN 103507009A CN 201310505585 A CN201310505585 A CN 201310505585A CN 103507009 A CN103507009 A CN 103507009A
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- CN
- China
- Prior art keywords
- ratchet
- gear
- hollow shaft
- terminal pad
- shaft
- Prior art date
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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/08—Handle constructions with provision for storing tool elements
- B25G1/085—Handle constructions with provision for storing tool elements for screwdrivers, wrenches or spanners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/325—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear comprising a carrier with pins guiding at least one orbital gear with circular holes
Abstract
The invention relates to a multi-rotation ratchet screwdriver. The screwdriver comprises a tool bit, a handle, an extension bar, a ratchet device and a multi-rotation device, wherein the ratchet device comprises a ratchet body, a ratchet ring, ratchet rolling pins and a hollow shaft; the multi-rotation device comprises a gear seat, a clutch gear, major planet gears and a housing body; the ratchet device and the multi-rotation device are connected through a gear shaft; the ratchet device is fixedly arranged on the handle; one end of the extension bar is fixedly connected with the gear shaft; the tool bit is fixedly arranged at the other end of the extension bar. The screwdriver handle can convey multi-rotation speed and greatly increase the bolt tightening speed.
Description
Technical field
The present invention relates to a kind of screwdriver.
Background technology
Existing screwdriver is at handle front end and sets firmly a metal-made mobile jib, and mobile jib free end is provided with the pulling part of cross or a word shape, grips handle in use with palm, and continues rotation, by handle, drives pulling part to rotate, so that as loosening, tighten bolt.When this screwdriver uses, user need constantly loosen, tighten the action of palm, be in and be easy to force application location along tooth, and handle, pulling part is structure as a whole in order to palm, therefore the action that user must constantly loosen, tighten palm operates, and uses very inconvenient.
In order to solve above-mentioned technical problem, Chinese invention patent (application number: 200810121667, the applying date: on October 27th, 2008) disclose ratchet screwdriver and ratchet device thereof, this device comprises pawl seat, outer collar, pawl base and two ratchets, pawl seat is set on pawl base, the inner ring of pawl seat is provided with the ratchet with ratchet engagement, on the sidewall of pawl base both sides, be respectively arranged with hinged groove, two ratchets are hinged being arranged in hinged groove respectively, and on pawl base, be provided with and make ratchet to both sides, open the back-moving spring keeping with ratchet engagement; Wild card snare is located at the outside of two ratchets, the inner ring of outer collar is provided with arc-shaped notch, and the outer end of two ratchets is contained in arc-shaped notch, and arc-shaped notch has two chimbs, outside a sideway swivel during collar, chimb inwardly ratchet of compressing makes it depart from and mesh with ratchet.This patent can be born larger moment of torsion, has feature simple in structure, can be subject to high pulling torque, long service life.
In addition, Chinese invention patent (application number: 201010107089 applyings date: on February 8th, 2010) disclose screw driver ratchet device and the application thereof of built-in ratchet, comprised pawl base, ratchet shaft, outer collar and two ratchets; The both sides of the annular solid central shaft hole of pawl base are respectively equipped with ratchet installing port, and ratchet is separately positioned in ratchet installing port; Ratchet shaft links into an integrated entity ratchet shaft, outer collar and pawl base; Ratchet is arch bridge type, is provided with boss and ratchet on ratchet, is provided with bar shaped tooth on ratchet shaft, is respectively arranged with and makes ratchet and bar shaped tooth keep the stage clip of engagement in ratchet installing port; The inner ring of the annular sidewall of outer collar is provided with two recesses, is provided with Yi Ge inclined-plane on recess, and the boss outside a sideway swivel on a ratchet of collar Shi， inclined-plane compressing makes the ratchet of this ratchet and bar shaped tooth depart from engagement.
Chinese invention patent (application number: 201210297899 applyings date: on August 21st, 2012) disclose a kind of screw driver ratchet device and used this ratchet device screwdriver,, this ratchet device comprises pawl base, ratchet shaft, outer collar and two ratchets.Ratchet device is normally in locking-in state, when clockwise turn wild card circle, the described projection promotion left side ratchet of stirring moves laterally along the first inclined-plane, ratchet on the left of making on ratchet and described bar shaped tooth depart from engagement, ratchet device is in being rotated counterclockwise state, and when the outer collar of turn counterclockwise, the described projection promotion rightward pawl of stirring is moved laterally along the first inclined-plane, make ratchet in rightward pawl and described bar shaped tooth depart from engagement, ratchet device is in the state of turning clockwise.
Three kinds of above-mentioned ratchet devices are all ratchet devices that applicant applies for, there is different features, but unique deficiency is that three kinds of ratchet devices are all that haploidy number rotates, if having the screw driver ratchet device of many times of rotations, can greatly improve the speed that turns of screw.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide a kind of multiple rotating ratchet screwdriver, this screw driver handle can be carried the velocity of rotation of many times, can greatly improve the speed that turns of screw.
In order to realize above-mentioned object, the present invention has adopted following technical scheme.
Multiple rotating ratchet screwdriver, this screw driver handle comprises cutter head, handle, extension bar, ratchet device and multiple tumbler, described ratchet device comprises that ratchet wheel body, ratchet circle, ratchet roll nail and hollow shaft, described multiple tumbler comprises pinion stand, clutch gear, mafor planet gear and shell body, and a rooted tooth wheel shaft connects described ratchet device and multiple tumbler; Described ratchet device is fixedly installed on handle, and one end of extension bar is fixedly connected with described gear shaft, and described cutter head is fixedly installed on the other end of extension bar; Described ratchet circle consists of cylinder and annular solid, the middle part of ratchet circle is provided with axial mesopore, mesopore runs through described cylinder and annular solid, described annular solid is by stirring outer ring and middle terminal pad forms, described cylinder is fixedly installed on middle terminal pad, the outer wall of cylinder is circumferentially uniform is provided with many axial straight troughs, the upper and lower end sealing of straight trough; The upper end of described gear shaft is plugged in mesopore, end at gear shaft is provided with cylindrical boss, the diameter of cylindrical boss and the diameter of mesopore are suitable, and the hollow shaft described in sheathed on gear shaft below cylindrical boss, the external diameter of hollow shaft and the equal diameters of cylindrical boss; In many described straight troughs, be respectively arranged with described ratchet and roll nail, ratchet rolls the inner side of nail and the outer surface of hollow shaft and cylindrical boss offsets, and ratchet rolls the outside protrusion straight trough setting of nail; Described ratchet wheel body is set in the outer surface of cylinder, by body and centring ring, formed, the inner surface of body is provided with deep-slotted chip breaker in the corresponding position of straight trough, the outside that ratchet rolls nail is contained in deep-slotted chip breaker, described centring ring is arranged on the bottom of body, centring ring provides at least Liang Ge position location ，Liang Ge position location to make respectively the urgent ratchet of a side pressure of deep-slotted chip breaker roll nail, makes hollow shaft and gear shaft in mesopore, be merely able to one-directional rotation; Described pinion stand is fixedly installed in shell body, on pinion stand, be fixedly installed a plurality of described mafor planet gears, the top of mafor planet gear arranges coaxial small planetary gear, described clutch gear is meshed with small planetary gear, clutch gear upper end is in transmission connection mutually with hollow shaft, the middle part of clutch gear is provided with axis hole, and the lower end of described gear shaft is strip gear, and strip gear is meshed with described mafor planet gear through hollow shaft and clutch gear.
As preferably, between described hollow shaft and cylindrical boss, be provided with spacer, described spacer is divided into upper and lower two sections by straight trough, in upper and lower two sections of straight troughs, be respectively equipped with described ratchet and roll nail, the ratchet in upper and lower two sections of straight troughs rolls nail inner side and offsets with hollow shaft and cylindrical boss respectively.Adopt upper and lower two ratchets to roll nail and control respectively hollow shaft and cylindrical boss, can avoid interference each other.
As preferred again, the lower ending opening of described straight trough and extend in the middle of the bottom surface of terminal pad, the bottom surface of middle terminal pad is provided with ratchet lid, the middle part of ratchet lid is provided with the through hole that can pass for hollow shaft, the ratchet side of covering is provided with projection, the lower ending opening of projection sealing straight trough, described spacer is set in the below of cylindrical boss, and spacer is respectively arranged with isolation lug towards the position of straight trough.The structure of appeal provides the mounting means of spacer, simplifies the structure, and has facilitated installation.
As preferred again, described outer ring, the ratchet side of covering, be provided with fixedly ring, fixedly ring is provided with fixed claw, and is provided with annular mouth on middle terminal pad, and fixed claw be located in annular mouth.
As preferably, the upper end of described gear shaft is provided with spindle nose, and above cylindrical boss, be provided with step bulge loop, in the mesopore of ratchet circle, be provided with position limiting convex ring, step bulge loop and position limiting convex ring offset, and are provided with through hole on the top of body, described spindle nose is through mesopore and through hole, at spindle nose, be provided with annular groove, slotted collar is set in annular groove, the outside that slotted collar is arranged on through hole provides spacing for spindle nose and through hole.Above-mentioned structure provides the fixed form of a kind of ratchet wheel body and ratchet circle, and which has the feature of easy accessibility.Certainly the fixed form of ratchet wheel body and ratchet circle is not limited to above-mentioned structure, also can adopt Chinese invention patent (application number: 200810121667, the applying date: on October 27th, 2008), between pawl seat and pawl base, the mode by jump ring connects.
As preferably, the inner ring of described centring ring is provided with triangular hill, the connecting portion of triangle and inner ring forms two limited mouths, and be provided with retainer spring part at middle terminal pad, retainer spring Jian one end is fixed on middle terminal pad, middle for arc body laminating is arranged on the bottom surface of middle terminal pad, the other end forms nose through middle terminal pad, and nose is fastened on a limited mouth and forms Yi Ge position location.Certainly above-mentioned structure also can adopt Chinese invention patent (application number: 200810121667, the applying date: on October 27th, 2008), three positioning ports and hoodle are used in conjunction with the location of having realized two or three gears.
As preferably, described straight trough and the quantity of deep-slotted chip breaker are respectively done for oneself respectively 3,4 or 5.Article four, straight trough and deep-slotted chip breaker can be realized stable structure the most.
As preferably, described clutch gear upper end is provided with bulge loop, and hollow shaft is plugged in bulge loop and is connected by key with bulge loop.
As preferably, described mafor planet gear and small planetary gear are respectively 2,3 or 4; As preferably, described pinion stand is two triangular plates, and triangular plate fixes by bearing pin, and described mafor planet gear and small planetary gear are arranged on bearing pin.
As preferably, inner chamber and the pinion stand of described shell body are suitable, and above shell body, are provided with end cap, the inner chamber of end cap closure body, below end cap, be provided with steady pin, described shell body is provided with corresponding pin-and-hole, and steady pin is plugged in pin-and-hole.
As preferably, the end of described handle is provided with cutter head storage facilities, cutter head storage facilities comprises cavity, bonnet and cutter head support, cavity is arranged on the upper end of handle, between cutter head support and bonnet, be provided with connecting rod, connecting rod and cutter head support are one-body molded, connecting rod hollow is fixedly installed on bonnet by screw, bonnet is provided with the fixing lug boss suitable with cavity, the both sides of fixing lug boss are provided with buckle, and at the arranged outside bayonet socket of cavity, bonnet is connected on cavity by buckle clamping bayonet socket; Described cutter head support circumferentially arranges the mounting groove of a plurality of clamping cutter heads.
The present invention is owing to having adopted above-mentioned technical scheme, the upper end of described multiple rotating ratchet screwdriver is ratchet device, ratchet device makes respectively a side pressure of deep-slotted chip breaker compel ratchet by Liang Ge position location and rolls nail, make hollow shaft and gear shaft in mesopore, be merely able to one-directional rotation, can realize clockwise and counterclockwise one-directional rotation, and the lower end of multiple rotating ratchet screwdriver is multiple tumbler, by mafor planet gear structure is set, by the number of teeth different adjustment multiple of mafor planet gear and small planetary gear, shell body rotates one week like this, the multiple that can realize gear shaft rotates.Screw driver handle of the present invention can be carried the velocity of rotation of many times, can greatly improve the speed that turns of screw.
Accompanying drawing explanation
Fig. 1 is the structural representation of screw driver handle of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the blast structural representation of screwdriver of the present invention.
Fig. 4 is the structural representation of multiple rotating ratchet screwdriver of the present invention.
Fig. 5 is the blast structural representation of multiple rotating ratchet screwdriver of the present invention.
Fig. 6 is the structural representation of ratchet circle of the present invention.
Fig. 7 is the upward view of Fig. 6.
Fig. 8 is the B-B cutaway view of Fig. 6.
Fig. 9 is the structural representation of ratchet lid of the present invention.
Figure 10 is the C-C cutaway view of Fig. 9.
Figure 11 is the structural representation of ratchet wheel body of the present invention.
Figure 12 is the upward view of Figure 11.
Figure 13 is the D-D cutaway view of Figure 11.
Figure 14 is the structural representation of gear shaft of the present invention.
Figure 15 is the structural representation of shell body of the present invention.
Figure 16 is the structural representation of clutch gear of the present invention.
Figure 17 is the E-E cutaway view of Figure 16.
Figure 18 is the structural representation of upper triangular plate of the present invention.
Figure 19 is the structural representation of lower triangular plate of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
A kind of screwdriver as shown in Fig. 1 ~ 3, this screwdriver comprises handle 1, cutter head 53, cutter head storage facilities 5, multiple rotating ratchet screwdriver and extension bar 4, cutter head storage facilities 5 is arranged in handle 1, cutter head 53 is placed in cutter head storage facilities 5, described multiple rotating ratchet screwdriver upper end is fixedly installed on handle 1 Shang， lower end and is connected with extension bar 4.As shown in Figure 2 and Figure 3, described cutter head storage facilities 5 comprises cavity 19, bonnet 51 and cutter head support 54, cavity 19 is arranged on the upper end of handle 1, between cutter head support 54 and bonnet 51, be provided with connecting rod 57, connecting rod 57 is one-body molded with cutter head support 54, connecting rod 57 hollows are fixedly installed on bonnet 51 by screw 56, bonnet 51 is provided with the fixing lug boss 52 suitable with cavity 19, fixing lug boss 52 both sides are provided with buckle 58, and at the arranged outside bayonet socket 18 of cavity 19, bonnet 51 is connected on cavity 19 by buckle 58 clamping bayonet sockets 18.Described cutter head support 54 circumferentially arranges a plurality of mounting grooves 55, and described cutter head 53 clampings are arranged in mounting groove 55.Described extension bar 4 is provided with cutter head installing port 42, is provided with magnet steel 41 in cutter head installing port 42.
Multiple rotating ratchet screwdriver as shown in Figure 4, Figure 5, this device comprises ratchet device 2 and multiple tumbler 3, described ratchet device 2 comprises that ratchet wheel body 7, ratchet circle 8, ratchet lid 9, ratchet roll nail 24 and hollow shaft 23, described multiple tumbler 3 comprises that pinion stand 12, clutch gear 11, end cap 10, mafor planet gear 13 and shell body 16, one rooted tooth wheel shafts 6 connect described ratchet device 2 and multiple tumbler 3.As shown in Fig. 6 ~ Fig. 8, described ratchet circle 8 consists of cylinder 81 and annular solid 82, the middle part of ratchet circle 8 is provided with axial mesopore 21, mesopore 21 runs through described cylinder 81 and annular solid 82, described annular solid 82 is by stirring outer ring 83 and middle terminal pad 84 forms, described cylinder 81 is fixedly installed on middle terminal pad 84, the outer wall of cylinder 81 is circumferentially uniform is provided with four axial straight troughs 85, the upper end closed of straight trough 85, lower ending opening also extends to middle terminal pad 84 bottom surface, and the lid of the ratchet described in arranging in middle terminal pad 84 bottom surface 9.As shown in Figure 9, Figure 10, the middle part of ratchet lid 9 is provided with the through hole 92 that can pass for hollow shaft 23, and ratchet covers 9 tops and is provided with four projections 92, the lower ending opening of projection 92 sealing straight troughs 85.And outer ring is provided with fixedly ring 93 above ratchet lid 9, fixedly ring 93 is provided with fixed claw 94, and is provided with annular mouth 87 on middle terminal pad 84, and fixed claw 94 be located in annular mouth 87.
The upper end of described gear shaft 6 is plugged in mesopore 21 as shown in Figure 4, Figure 5, in the end of gear shaft 6, is provided with cylindrical boss 61, and the diameter of the diameter of cylindrical boss 61 and mesopore 21 is suitable.And the hollow shaft 23 described in sheathed on gear shaft 6 below cylindrical boss 61, the equal diameters of the external diameter of hollow shaft 23 and cylindrical boss 61.Between hollow shaft 23 and cylindrical boss 61, be provided with spacer 25, described spacer 25 is set in the below of cylindrical boss 61, and spacer 25 is respectively arranged with isolation lug 28 towards straight trough 85 position.Isolation lug 28 is divided into upper and lower two sections by straight trough 85, in upper and lower two sections of straight troughs 85, be respectively equipped with described ratchet and roll nail 24, ratchet in upper and lower two sections of straight troughs 85 rolls nail 24 inner sides and offsets with hollow shaft 23 and cylindrical boss 61 respectively, and the outside protrusion straight trough 85 that ratchet rolls nail 24 arranges.Described ratchet wheel body 7 is set in the outer surface of cylinder 81, by body 71 and centring ring 72, formed, the inner surface of body 71 is provided with deep-slotted chip breaker 76 in the corresponding position of straight trough 85, and the outside that ratchet rolls nail 24 is contained in deep-slotted chip breaker 76, and described centring ring 72 is arranged on the bottom of body 71.As shown in Figure 11 ~ Figure 13, the inner ring of described centring ring 72 is provided with triangular hill 74, and triangle 74 forms two limited mouths 75 with the connecting portion of inner ring.As shown in Figure 5, middle terminal pad 84 is provided with retainer spring part 26, retainer spring Jian26 one end is fixed on the fixing port 88 of middle terminal pad 84, fit and be arranged on middle terminal pad 84 bottom surface for arc body in centre, the other end forms noses through middle terminal pad 84 through mouth 89, nose is fastened on a limited mouth 75 and forms Yi Ge position location, centring ring 72 provides Liang Ge position location, Liang Ge position location makes respectively a side pressure of deep-slotted chip breaker 76 compel ratchet and rolls nail 24, makes hollow shaft 23 and gear shaft 6 be merely able to one-directional rotation in mesopore 21.
As shown in Fig. 4, Figure 14, the upper end of described gear shaft 6 is provided with spindle nose 60, and above cylindrical boss 61, be provided with step bulge loop 63, in the mesopore 21 of ratchet circle 8, be provided with position limiting convex ring 86, step bulge loop 63 offsets with position limiting convex ring 86, and be provided with through hole 73 on body 71 top, described spindle nose 60 is through mesopore 21 and through hole 73, at spindle nose 60, be provided with annular groove 64, the interior slotted collar 27 that arranges of annular groove 64, the outside that slotted collar 27 is arranged on through hole 73 provides spacing for spindle nose 60 and through hole 73.
As shown in Figure 4, Figure 5, described pinion stand 12 is fixedly installed in shell body 16, is fixedly installed the mafor planet gear 13 described in three on pinion stand 12, and the top of mafor planet gear 13 arranges coaxial small planetary gear 14.As shown in Figure 18, Figure 19, described pinion stand 12 is two triangular plates, upper triangular plate 121 has the mesopore passing for clutch gear 11, lower triangular plate 122 has the mesopore passing for gear shaft 6, upper and lower triangular plate fixes by bearing pin 15, and described mafor planet gear 13 and small planetary gear 14 are arranged on bearing pin 15.Described clutch gear 11 is meshed with small planetary gear 14 through upper triangular plate 121.As shown in Figure 16, Figure 17, clutch gear 11 upper ends are provided with bulge loop 110, and hollow shaft 23 is plugged in bulge loop 110 and is in transmission connection mutually by key 111 with bulge loop 110.The middle part of described clutch gear 11 is provided with axis hole 112, and the lower end of described gear shaft 6 is strip gear 62, and strip gear 62 is meshed with described mafor planet gear 13 through hollow shaft 23 and clutch gear 11.The end of gear shaft 6 is fixedly connected with extension bar 4 through lower triangular plate 122.As shown in figure 15, inner chamber and the pinion stand 12 of described shell body 16 are suitable, and above shell body 16, be provided with end cap 10, the inner chamber of end cap 10 closure bodies 16, below end cap 10, be provided with steady pin 101, described shell body 16 is provided with corresponding pin-and-hole 160, and steady pin 101 is plugged in pin-and-hole 160.
Claims (10)
1. multiple rotating ratchet screwdriver, it is characterized in that: this screw driver handle comprises cutter head (53), handle (1), extension bar (4), ratchet device (2) and multiple tumbler (3), described ratchet device (2) comprises ratchet wheel body (7), ratchet circle (8), ratchet rolls nail (24) and hollow shaft (23), described multiple tumbler (3) comprises pinion stand (12), clutch gear (11), mafor planet gear (13), small planetary gear (14) and shell body (16), one rooted tooth wheel shaft (6) connects described ratchet device (2) and multiple tumbler (3), it is upper that described ratchet device (2) is fixedly installed on handle (1), and one end of extension bar (4) is fixedly connected with described gear shaft (6), and described cutter head (53) is fixedly installed on the other end of extension bar (4),
Described ratchet circle (8) consists of cylinder (81) and annular solid (82), the middle part of ratchet circle (8) is provided with axial mesopore (21), mesopore (21) runs through described cylinder (81) and annular solid (82), described annular solid (82) forms by stirring outer ring (83) and middle terminal pad (84), described cylinder (81) is fixedly installed on middle terminal pad (84), the outer wall of cylinder (81) is uniform many axial straight troughs (85) that are provided with circumferentially, the upper and lower end sealing of straight trough (85), the upper end of described gear shaft (6) is plugged in mesopore (21), in the end of gear shaft (6), be provided with cylindrical boss (61), the diameter of the diameter of cylindrical boss (61) and mesopore (21) is suitable, and the hollow shaft (23) described in sheathed on the below gear shaft (6) of cylindrical boss (61), the equal diameters of the external diameter of hollow shaft (23) and cylindrical boss (61), in described many straight troughs (85), be respectively arranged with described ratchet and roll nail (24), ratchet rolls the inner side of nail (24) and the outer surface of hollow shaft (23) and cylindrical boss (61) offsets, and the outside protrusion straight trough (85) that ratchet rolls nail (24) arranges, described ratchet wheel body (7) is set in the outer surface of cylinder (81), by body (71) and centring ring (72), formed, the inner surface of body (71) is provided with deep-slotted chip breaker (76) in the corresponding position of straight trough (85), the outside that ratchet rolls nail (24) is contained in deep-slotted chip breaker (76), described centring ring (72) is arranged on the bottom of body (71), centring ring (72) provides at least Liang Ge position location, Liang Ge position location makes respectively a side pressure of deep-slotted chip breaker (76) compel ratchet and rolls nail (24), make hollow shaft (23) and gear shaft (6) be merely able to one-directional rotation in mesopore (21),
Described pinion stand (12) is fixedly installed in shell body (16), on pinion stand (12), be fixedly installed a plurality of described mafor planet gear (13) and small planetary gears (14), mafor planet gear (13) and small planetary gear (14) coaxially arrange, described clutch gear (11) is meshed with small planetary gear (14), clutch gear (11) upper end is in transmission connection mutually with hollow shaft (23), the middle part of clutch gear (11) is provided with axis hole (112), the lower end of described gear shaft (6) is strip gear (62), strip gear (62) is meshed with described mafor planet gear (13) through hollow shaft (23) and clutch gear (11).
2. multiple rotating ratchet screwdriver according to claim 1, it is characterized in that: between hollow shaft (23) and cylindrical boss (61), be provided with spacer (25), described spacer (25) is divided into upper and lower two sections by straight trough (85), in upper and lower two sections of straight troughs (85), be respectively equipped with described ratchet and roll nail (24), the ratchet in upper and lower two sections of straight troughs (85) rolls nail (24) inner side and offsets with hollow shaft (23) and cylindrical boss (61) respectively.
3. multiple rotating ratchet screwdriver according to claim 2, it is characterized in that: the lower ending opening of straight trough (85) and extend in the middle of terminal pad (84) bottom surface, the bottom surface of middle terminal pad (84) is provided with ratchet lid (9), the middle part of ratchet lid (9) is provided with the through hole (91) that can supply hollow shaft (23) to pass, ratchet lid (9) top is provided with projection (92), the lower ending opening of projection (92) sealing straight trough (85), described spacer (25) is set in the below of cylindrical boss (61), spacer (25) is respectively arranged with isolation lug (28) towards the position of straight trough (85), as preferably, described outer ring, ratchet lid (9) top is provided with fixedly ring (93), and fixedly ring (93) is provided with fixed claw (94), and is provided with annular mouth (87) on middle terminal pad (84), and fixed claw (94) be located in annular mouth (87).
4. multiple rotating ratchet screwdriver according to claim 1, it is characterized in that: the upper end of gear shaft (6) is provided with spindle nose (60), and be provided with step bulge loop (63) in the top of cylindrical boss (61), in the mesopore of ratchet circle (8), be provided with position limiting convex ring (86), step bulge loop (63) offsets with position limiting convex ring (86), and be provided with through hole (72) on the top of body (71), described spindle nose (60) is through mesopore (21) and through hole (72), on spindle nose (60), be provided with annular groove (64), slotted collar (27) is set in annular groove (64), the outside that slotted collar (27) is arranged on through hole (72) is that spindle nose (60) provides spacing with through hole (72).
5. multiple rotating ratchet screwdriver according to claim 1, it is characterized in that: the inner ring of centring ring (72) is provided with triangular hill (74), triangle (74) forms two limited mouths (75) with the connecting portion of inner ring, and be provided with retainer spring part (26) at middle terminal pad (84), one end of retainer spring part (26) is fixed on middle terminal pad (84), fit and be arranged on the bottom surface of middle terminal pad (84) for arc body in centre, the other end forms nose through middle terminal pad (84), nose is fastened on the upper formation of a limited mouth (75) Yi Ge position location.
6. multiple rotating ratchet screwdriver according to claim 1, is characterized in that: straight trough (85) is respectively done for oneself respectively 3,4 or 5 with the quantity of deep-slotted chip breaker (76).
7. multiple rotating ratchet screwdriver according to claim 1, is characterized in that: clutch gear (11) upper end is provided with bulge loop (110), and hollow shaft (23) is plugged in bulge loop (110) and is connected by key (111) with bulge loop.
8. multiple rotating ratchet screwdriver according to claim 1, is characterized in that: mafor planet gear (13) and small planetary gear (14) are respectively 2,3 or 4; As preferably, described pinion stand (12) is two triangular plates, and triangular plate fixes by bearing pin (15), and described mafor planet gear (13) and small planetary gear (14) are arranged on bearing pin (15).
9. multiple rotating ratchet screwdriver according to claim 1, it is characterized in that: the inner chamber of shell body (16) and pinion stand (12) are suitable, and be provided with end cap (10) in the top of shell body (16), the inner chamber of end cap (10) closure body (16), in the below of end cap (10), be provided with steady pin (101), described shell body (16) is provided with corresponding pin-and-hole (160), and steady pin (101) is plugged in pin-and-hole (160).
10. multiple rotating ratchet screwdriver according to claim 1, it is characterized in that: the end of handle (1) is provided with cutter head storage facilities (5), cutter head storage facilities (5) comprises cavity (19), bonnet (51) and cutter head support (54), cavity (19) is arranged on the upper end of handle (1), between cutter head support (54) and bonnet (51), be provided with connecting rod (57), connecting rod (57) is one-body molded with cutter head support (54), connecting rod (57) hollow is fixedly installed on bonnet (51) by screw (56), bonnet (51) is provided with the fixing lug boss (52) suitable with cavity (19), the both sides of fixing lug boss (52) are provided with buckle (58), and at the arranged outside bayonet socket (18) of cavity (19), bonnet (51) is connected on cavity (19) by buckle (58) clamping bayonet socket (18), described cutter head support (54) circumferentially arranges the mounting groove (55) of a plurality of clamping cutter heads (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505585.8A CN103507009B (en) | 2013-10-23 | 2013-10-23 | Multi-rotation ratchet screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505585.8A CN103507009B (en) | 2013-10-23 | 2013-10-23 | Multi-rotation ratchet screwdriver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103507009A true CN103507009A (en) | 2014-01-15 |
| CN103507009B CN103507009B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310505585.8A Active CN103507009B (en) | 2013-10-23 | 2013-10-23 | Multi-rotation ratchet screwdriver |
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| Country | Link |
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| CN (1) | CN103507009B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400724A (en) * | 2014-10-27 | 2015-03-11 | 绍兴环洲工具制造有限公司 | Screwdriver head push-pull type disassembling tool |
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| US5406866A (en) * | 1992-02-06 | 1995-04-18 | Badiali; John A. | Speed-selectable screwdriver |
| DE29616739U1 (en) * | 1996-09-18 | 1996-11-07 | Lin Ching Chou | screwdriver |
| CN201405301Y (en) * | 2009-04-03 | 2010-02-17 | 宁波德诚工具有限公司 | Multifunctional screwdriver |
| CN202462319U (en) * | 2012-01-17 | 2012-10-03 | 工丰企业股份有限公司 | Speedup structure of ratchet screwdriver |
| CN203680174U (en) * | 2013-10-23 | 2014-07-02 | 浙江三鼎工具有限公司 | Multiple-rotating ratchet wheel screwdriver |
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2013
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| DE3445111A1 (en) * | 1984-12-11 | 1986-06-12 | Holland-Letz, Günter, 4790 Paderborn | Screwdriver with gear transmission |
| US5406866A (en) * | 1992-02-06 | 1995-04-18 | Badiali; John A. | Speed-selectable screwdriver |
| DE29616739U1 (en) * | 1996-09-18 | 1996-11-07 | Lin Ching Chou | screwdriver |
| CN201405301Y (en) * | 2009-04-03 | 2010-02-17 | 宁波德诚工具有限公司 | Multifunctional screwdriver |
| CN202462319U (en) * | 2012-01-17 | 2012-10-03 | 工丰企业股份有限公司 | Speedup structure of ratchet screwdriver |
| CN203680174U (en) * | 2013-10-23 | 2014-07-02 | 浙江三鼎工具有限公司 | Multiple-rotating ratchet wheel screwdriver |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104400724A (en) * | 2014-10-27 | 2015-03-11 | 绍兴环洲工具制造有限公司 | Screwdriver head push-pull type disassembling tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103507009B (en) | 2016-06-29 |
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Denomination of invention: Multiple turn ratchet screwdriver Effective date of registration: 20210828 Granted publication date: 20160629 Pledgee: Bank of China Limited Shengzhou sub branch Pledgor: ZHEJIANG SANDING TOOLS Co.,Ltd. Registration number: Y2021330001272 |
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Date of cancellation: 20230328 Granted publication date: 20160629 Pledgee: Bank of China Limited Shengzhou sub branch Pledgor: ZHEJIANG SANDING TOOLS Co.,Ltd. Registration number: Y2021330001272 |