CN103507009B - Multi-rotation ratchet screwdriver - Google Patents
Multi-rotation ratchet screwdriver Download PDFInfo
- Publication number
- CN103507009B CN103507009B CN201310505585.8A CN201310505585A CN103507009B CN 103507009 B CN103507009 B CN 103507009B CN 201310505585 A CN201310505585 A CN 201310505585A CN 103507009 B CN103507009 B CN 103507009B
- Authority
- CN
- China
- Prior art keywords
- ratchet
- gear
- hollow axle
- cutter head
- straight trough
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- 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
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention relates to Multi-rotation ratchet screwdriver, this screw driver handle includes cutter head, handle, extension bar, ratchet device and Multi-rotation device, described ratchet device includes ratchet wheel body, ratchet circle, ratchet roll nail and hollow axle, described Multi-rotation device includes pinion stand, clutch gear, mafor planet gear and shell body, and a rooted tooth wheel shaft connects described ratchet device and Multi-rotation device；Described ratchet device is fixedly installed on handle, and one end of extension bar is fixing with described gear shaft to be connected, and described cutter head is fixedly installed on the other end of extension bar.The screw driver handle of the present invention can carry the velocity of rotation of many times, it is possible to what be greatly improved screw turns speed.
Description
Technical field
The present invention relates to a kind of screwdriver.
Background technology
Existing screwdriver is a fixed metal mobile jib in handle front end, and mobile jib free end is provided with cross or the pulling part of a shape, in use with palm grip handle, and continues to rotate, and drives pulling part to rotate by handle, in order to as loosening, tighten bolt.When this screwdriver uses, user need to constantly loosen, tighten the action of palm, is in order to palm and is prone to force application location along tooth, and handle, pulling part are structure as a whole, and therefore user must constantly loosen, tighten the action of palm and 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 includes 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 engaged with ratchet, the sidewall of pawl base both sides is respectively arranged with hinged groove, two ratchets are respectively articulated with and are arranged in hinged groove, and are provided with the back-moving spring making ratchet open maintenance and ratchet engagement to both sides on pawl base；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, when rotating outer collar to side, a chimb inwardly oppresses a ratchet makes itself and ratchet be disengaged from.This patent can bear bigger moment of torsion, has simple in construction, can be subject to the feature of high pulling torque, long service life.
It addition, Chinese invention patent (application number: 201010107089 applyings date: on February 8th, 2010) discloses screw driver ratchet device and the application thereof of built-in ratchet, including pawl base, ratchet shaft, outer collar and two ratchets；The annular solid central shaft hole of pawl base be respectively provided on two sides with ratchet installing port, ratchet is separately positioned in ratchet installing port；Ratchet shaft, outer collar and pawl base are linked into an integrated entity by ratchet shaft；Ratchet is arch bridge type, and ratchet is provided with boss and ratchet, and ratchet shaft is provided with bar shaped tooth, is respectively arranged with and makes ratchet keep the stage clip engaged with bar shaped tooth in ratchet installing port；The inner ring of the annular sidewall of outer collar is provided with two recesses, and recess is provided with an inclined-plane, and when rotating outer collar to side, the boss on one ratchet of inclined-plane compressing makes the ratchet of this ratchet and bar shaped tooth be disengaged from.
Chinese invention patent (application number: 201210297899 applyings date: on August 21st, 2012) discloses a kind of screw driver ratchet device and uses this ratchet device screwdriver, a kind of screw driver ratchet device, this ratchet device includes pawl base, ratchet shaft, outer collar and two ratchets.Ratchet device is normally in locking-in state, when turn wild card circle clockwise, described ratchet on the left of protruding promotion of stirring moves laterally along the first inclined-plane, the ratchet on the ratchet of left side is made to be disengaged from described bar shaped tooth, ratchet device is in rotation status counterclockwise, and when the outer collar of turn counterclockwise, described protruding promotion rightward pawl of stirring is moved laterally along the first inclined-plane, making the ratchet in rightward pawl be disengaged from described bar shaped tooth, ratchet device is in the state of turning clockwise.
Three kinds of above-mentioned ratchet devices are all the ratchet devices that applicant applies for, there is different features, but unique unfortunately three kinds of ratchet devices are all that haploidy number rotates, if having the many times of screw driver ratchet devices rotated, then what can be greatly improved screw turns speed.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of Multi-rotation ratchet screwdriver, this screw driver handle can carry the velocity of rotation of many times, it is possible to what be greatly improved screw turns speed.
In order to realize above-mentioned purpose, present invention employs following technical scheme.
Multi-rotation ratchet screwdriver, this screw driver handle includes cutter head, handle, extension bar, ratchet device and Multi-rotation device, described ratchet device includes ratchet wheel body, ratchet circle, ratchet roll nail and hollow axle, described Multi-rotation device includes pinion stand, clutch gear, mafor planet gear and shell body, and a rooted tooth wheel shaft connects described ratchet device and Multi-rotation device；Described ratchet device is fixedly installed on handle, and one end of extension bar is fixing with described gear shaft to be connected, and described cutter head is fixedly installed on the other end of extension bar；Described ratchet circle is made up 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 constituted with middle connection dish by stirring outer ring, described cylinder is fixedly installed on middle connection dish, the outer wall circumference of cylinder is uniform is provided with a plurality of axial straight trough, and the upper and lower end of straight trough is closed；The upper end of described gear shaft is plugged in mesopore, it is provided with cylindrical boss in the end of gear shaft, the diameter of cylindrical boss and the diameter of mesopore are suitable, and on the bottom cog axle of cylindrical boss sheathed described hollow axle, the external diameter of hollow axle and the equal diameters of cylindrical boss；Being respectively arranged with described ratchet in described a plurality of straight trough and roll nail, the outer surface of inner side and hollow axle and cylindrical boss that ratchet rolls nail offsets, and ratchet rolls the outside of nail and protrudes straight trough setting；Described ratchet wheel body is set in the outer surface of cylinder, it is made up of body and centring ring, the inner surface of body is provided with arcuate groove in the corresponding position of straight trough, ratchet rolls the outside of nail and is contained in arcuate groove, described centring ring is arranged on the bottom of body, centring ring provides at least two position location, and two position locations make the side compressing ratchet of arcuate groove roll nail respectively, make hollow axle and gear shaft be merely able to one-directional rotation in mesopore；Described pinion stand is fixedly installed in shell body, pinion stand is fixedly installed multiple described mafor planet gear, mafor planet gear be provided above coaxial small planetary gear, described clutch gear is meshed with small planetary gear, clutch gear upper end is in transmission connection mutually with hollow axle, 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 through hollow axle and clutch gear with described mafor planet gear.
As preferably, it is provided with shaping piece between described hollow axle and cylindrical boss, straight trough is divided into upper and lower two sections by described shaping piece, being respectively equipped with described ratchet in upper and lower two sections of straight troughs and roll nail, the ratchet in upper and lower two sections of straight troughs rolls nail inner side and offsets with hollow axle and cylindrical boss respectively.Adopt upper and lower two ratchets to roll nail and control hollow axle and cylindrical boss respectively, it is possible to avoid interference each other.
As further preferably, the lower ending opening of described straight trough also extends to the bottom surface of middle connection dish, the bottom surface of middle connection dish is provided with ratchet lid, the middle part of ratchet lid is provided with the through hole being available for hollow axle traverse, ratchet lid is arranged over projection, the protruding lower ending opening closing straight trough, described shaping piece is set in the lower section of cylindrical boss, and shaping piece is respectively arranged with isolation lug towards the position of straight trough.The structure of appeal provides the mounting means of shaping piece, simplifies structure, facilitates installation.
As further preferably, on described ratchet lid, outer ring, side is provided with fixing ring, and fixing ring is provided with fixed claw, and is provided with annular mouth on middle connection dish, and fixed claw be located in annular mouth.
As preferably, the upper end of described gear shaft is provided with spindle nose, and it is arranged over step bulge loop at cylindrical boss, being provided with position limiting convex ring in the mesopore of ratchet circle, step bulge loop and position limiting convex ring offset, and are provided with through hole on the top of body, described spindle nose traverse mesopore and through hole, being provided with annular groove at spindle nose, arrange slotted collar in annular groove, slotted collar is arranged on the outside of through hole and provides spacing for spindle nose and through hole.Above-mentioned structure provides a kind of ratchet wheel body and the fixed form of ratchet circle, and which has the feature of easy accessibility.The fixed form of certain ratchet wheel body and ratchet circle is not limited to above-mentioned structure, it would however also be possible to employ Chinese invention patent was connected by the mode of jump ring between pawl seat and pawl base in (application number: 200810121667, the applying date: on October 27th, 2008).
As preferably, the inner ring of described centring ring is provided with triangular hill, the connecting portion of triangle and inner ring constitutes two limited mouths, and middle connection dish is provided with location spring part, one end of location spring part is fixed on middle connection dish, fitting for arc body on the bottom surface being arranged on middle connection dish in centre, the other end is through middle connection dish composition nose, and nose is fastened on a limited mouth and constitutes a position location.Certainly above-mentioned structure can also adopt in Chinese invention patent (application number: 200810121667, the applying date: on October 27th, 2008) three positioning ports and hoodle with the use of the location achieving two or three gears.
As preferably, the quantity of described straight trough and arcuate groove is respectively 3,4 or 5 respectively.Article four, straight trough and arcuate groove can realize structure the most stable.
As preferably, described clutch gear upper end is provided with bulge loop, and hollow axle is plugged in bulge loop and is connected by key with bulge loop.
As preferably, described mafor planet gear and small planetary gear respectively 2,3 or 4；As preferably, described pinion stand is two pieces of triangular plates, and triangular plate is fixed by bearing pin, and described mafor planet gear and small planetary gear are arranged on bearing pin.
As preferably, the inner chamber of described shell body is suitable with pinion stand, and is provided above end cap at shell body, the inner chamber of end cap closure body, at the steady pin that is arranged below of end cap, 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 includes cavity, bonnet and cutter head support, cavity is arranged on the upper end of handle, it is provided with connecting rod between cutter head support and bonnet, connecting rod is one-body molded with cutter head support, 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 passes through buckle clamping bayonet connection to cavity；The mounting groove of the circumferentially disposed multiple clamping cutter heads of described cutter head support.
Due to the fact that and have employed above-mentioned technical scheme, the upper end of described Multi-rotation ratchet screwdriver is ratchet device, ratchet device makes the side compressing ratchet of arcuate groove roll nail by two position locations respectively, hollow axle and gear shaft is made to be merely able to one-directional rotation in mesopore, one-directional rotation clockwise and anticlockwise can be achieved, and the lower end of Multi-rotation ratchet screwdriver is Multi-rotation device, by arranging mafor planet gear structure, by the number of teeth different adjustment multiple of mafor planet gear and small planetary gear, such shell body rotates one week, the multiple that then can realize gear shaft rotates.The screw driver handle of the present invention can carry the velocity of rotation of many times, it is possible to what be greatly improved screw turns speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of screw driver handle of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the detonation configuration schematic diagram of screwdriver of the present invention.
Fig. 4 is the structural representation of the Multi-rotation ratchet screwdriver of the present invention.
Fig. 5 is the detonation configuration schematic diagram of the Multi-rotation ratchet screwdriver of the present invention.
Fig. 6 is the structural representation of the ratchet circle of the present invention.
Fig. 7 is the upward view of Fig. 6.
Fig. 8 is the B-B sectional view of Fig. 6.
Fig. 9 is the structural representation of the ratchet lid of the present invention.
Figure 10 is the C-C sectional view of Fig. 9.
Figure 11 is the structural representation of the ratchet wheel body of the present invention.
Figure 12 is the upward view of Figure 11.
Figure 13 is the D-D sectional view of Figure 11.
Figure 14 is the structural representation of the gear shaft of the present invention.
Figure 15 is the structural representation of the shell body of the present invention.
Figure 16 is the structural representation of the clutch gear of the present invention.
Figure 17 is the E-E sectional view of Figure 16.
Figure 18 is the structural representation of the upper triangular plate of the present invention.
Figure 19 is the structural representation of the lower triangular plate of the present invention.
Detailed description of the invention
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 includes handle 1, cutter head 53, cutter head storage facilities 5, Multi-rotation 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 Multi-rotation ratchet screwdriver upper end is fixedly installed on handle 1, and lower end is connected with extension bar 4.As shown in Figure 2 and Figure 3, described cutter head storage facilities 5 includes cavity 19, bonnet 51 and cutter head support 54, cavity 19 is arranged on the upper end of handle 1, connecting rod 57 it is provided with between cutter head support 54 and bonnet 51, 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.The circumferentially disposed multiple mounting grooves 55 of described cutter head support 54, described cutter head 53 clamping is 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.
Multi-rotation ratchet screwdriver as shown in Figure 4, Figure 5, this device includes ratchet device 2 and Multi-rotation device 3, described ratchet device 2 includes ratchet wheel body 7, ratchet circle 8, ratchet lid 9, ratchet roll nail 24 and hollow axle 23, described Multi-rotation device 3 includes pinion stand 12, clutch gear 11, end cap 10, mafor planet gear 13 and shell body 16, and a rooted tooth wheel shaft 6 connects described ratchet device 2 and Multi-rotation device 3.As shown in Fig. 6 ~ Fig. 8, described ratchet circle 8 is made up 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 constituted with middle connection dish 84 by stirring outer ring 83, described cylinder 81 is fixedly installed on middle connection dish 84, the outer wall circumference of cylinder 81 is uniform is provided with four axial straight troughs 85, the upper end closed of straight trough 85, lower ending opening also extends to the bottom surface of middle connection dish 84, and described ratchet lid 9 is set in the bottom surface of middle connection dish 84.As shown in Figure 9, Figure 10, the middle part of ratchet lid 9 is provided with the through hole 92 being available for hollow axle 23 traverse, and ratchet lid 9 is arranged over four projections 92, and protruding 92 close the lower ending opening of straight trough 85.And outer ring is provided with fixing ring 93 above ratchet lid 9, fixing ring 93 is provided with fixed claw 94, and is provided with annular mouth 87 on middle connection dish 84, and fixed claw 94 be located in annular mouth 87.
The upper end of gear shaft 6 described as shown in Figure 4, Figure 5 is plugged in mesopore 21, is provided with cylindrical boss 61 in the end of gear shaft 6, and the diameter of cylindrical boss 61 is suitable with the diameter of mesopore 21.And the equal diameters of the hollow axle 23 described in sheathed on the bottom cog axle 6 of cylindrical boss 61, the external diameter of hollow axle 23 and cylindrical boss 61.Being provided with shaping piece 25 between hollow axle 23 and cylindrical boss 61, described shaping piece 25 is set in the lower section of cylindrical boss 61, and shaping piece 25 is respectively arranged with isolation lug 28 towards the position of straight trough 85.Straight trough 85 is divided into upper and lower two sections by isolation lug 28, it is respectively equipped with described ratchet in upper and lower two sections of straight troughs 85 and rolls nail 24, ratchet in upper and lower two sections of straight troughs 85 rolls and offsets with hollow axle 23 and cylindrical boss 61 respectively inside nail 24, and ratchet rolls the outside protrusion straight trough 85 of nail 24 and arranges.Described ratchet wheel body 7 is set in the outer surface of cylinder 81, it is made up of body 71 and centring ring 72, the inner surface of body 71 is provided with arcuate groove 76 in the corresponding position of straight trough 85, and ratchet rolls the outside of nail 24 and is contained in arcuate groove 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 the connecting portion of triangle 74 and inner ring constitutes two limited mouths 75.As shown in Figure 5, middle connection dish 84 is provided with location spring part 26, one end of location spring part 26 is fixed on the fixing port 88 of middle connection dish 84, centre is arranged on the bottom surface of middle connection dish 84 for arc body laminating, the other end constitutes nose through middle connection dish 84 through mouth 89, nose is fastened on a limited mouth 75 and constitutes a position location, centring ring 72 provides two position locations, two position locations make the side compressing ratchet of arcuate groove 76 roll nail 24 respectively, make hollow axle 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 it is arranged over step bulge loop 63 at cylindrical boss 61, being provided with position limiting convex ring 86 in the mesopore 21 of ratchet circle 8, step bulge loop 63 and position limiting convex ring 86 offset, and are provided with through hole 73 on the top of body 71, described spindle nose 60 traverse mesopore 21 and through hole 73, being provided with annular groove 64 at spindle nose 60, arrange slotted collar 27 in annular groove 64, slotted collar 27 is arranged on the outside of through hole 73 and 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, and pinion stand 12 is fixedly installed three described mafor planet gears 13, mafor planet gear 13 be provided above coaxial small planetary gear 14.As shown in Figure 18, Figure 19, described pinion stand 12 is two pieces of triangular plates, upper triangular plate 121 has the mesopore for clutch gear 11 traverse, lower triangular plate 122 has the mesopore for gear shaft 6 traverse, upper and lower triangular plate is fixed 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 through upper triangular plate 121 with small planetary gear 14.As shown in Figure 16, Figure 17, clutch gear 11 upper end is provided with bulge loop 110, and hollow axle 23 is plugged in bulge loop 110 and is in transmission connection by key 111 phase 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 through hollow axle 23 and clutch gear 11 with described mafor planet gear 13.The end of gear shaft 6 is connected through lower triangular plate 122 is fixing with extension bar 4.As shown in figure 15, the inner chamber of described shell body 16 is suitable with pinion stand 12, and it is provided above end cap 10 at shell body 16, the inner chamber of end cap 10 closure body 16, it is arranged below steady pin 101 at end cap 10, described shell body 16 is provided with corresponding pin-and-hole 160, and steady pin 101 is plugged in pin-and-hole 160.
Claims (1)
1. Multi-rotation ratchet screwdriver, it is characterized in that: this screw driver handle includes cutter head (53), handle (1), extension bar (4), ratchet device (2) and Multi-rotation device (3), described ratchet device (2) includes ratchet wheel body (7), ratchet circle (8), ratchet rolls nail (24) and hollow axle (23), described Multi-rotation device (3) includes 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 Multi-rotation device (3)；Described ratchet device (2) is fixedly installed on handle (1), and one end of extension bar (4) is fixing with described gear shaft (6) to be connected, and described cutter head (53) is fixedly installed on the other end of extension bar (4)；
Described ratchet circle (8) is made up 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 connection dish (84) is constituted, described cylinder (81) is fixedly installed on middle connection dish (84), the outer wall circumference of cylinder (81) is uniform is provided with a plurality of axial straight trough (85), and the upper and lower end of straight trough (85) is closed；The upper end of described gear shaft (6) is plugged in mesopore (21), it is provided with cylindrical boss (61) in the end of gear shaft (6), the diameter of cylindrical boss (61) is suitable with the diameter of mesopore (21), and in the upper sheathed described hollow axle (23) of bottom cog axle (6) of cylindrical boss (61), the equal diameters of the external diameter of hollow axle (23) and cylindrical boss (61)；It is respectively arranged with described ratchet in described a plurality of axial straight trough (85) and rolls nail (24), the outer surface of inner side and hollow axle (23) and cylindrical boss (61) that ratchet rolls nail (24) offsets, and ratchet rolls the outside of nail (24) and protrudes straight trough (85) setting；Described ratchet wheel body (7) is set in the outer surface of cylinder (81), it is made up of body (71) and centring ring (72), the inner surface of body (71) is provided with arcuate groove (76) in the corresponding position of straight trough (85), ratchet rolls the outside of nail (24) and is contained in arcuate groove (76), described centring ring (72) is arranged on the bottom of body (71), centring ring (72) provides two position locations, two position locations make the side compressing ratchet of arcuate groove (76) roll nail (24) respectively, hollow axle (23) and gear shaft (6) is made to be merely able to one-directional rotation in mesopore (21)；
Described pinion stand (12) is fixedly installed in shell body (16), pinion stand (12) is fixedly installed multiple described mafor planet gear (13) and small planetary gear (14), mafor planet gear (13) and small planetary gear (14) are coaxially disposed, described clutch gear (11) is meshed with small planetary gear (14), clutch gear (11) upper end is in transmission connection mutually with hollow axle (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 through hollow axle (23) and clutch gear (11) with described mafor planet gear (13)；
It is provided with shaping piece (25) between described hollow axle (23) and cylindrical boss (61), straight trough (85) is divided into upper and lower two sections by described shaping piece (25), being respectively equipped with described ratchet in upper and lower two sections of straight troughs (85) 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 axle (23) and cylindrical boss (61) respectively；The lower ending opening of described straight trough (85) also extends to the bottom surface of middle connection dish (84), the bottom surface of middle connection dish (84) is provided with ratchet lid (9), the middle part of ratchet lid (9) is provided with the through hole (91) being available for hollow axle (23) traverse, ratchet lid (9) is arranged over projection (92), protruding (92) close the lower ending opening of straight trough (85), described shaping piece (25) is set in the lower section of cylindrical boss (61), and shaping piece (25) is respectively arranged with isolation lug (28) towards the position of straight trough (85)；Described outer ring, ratchet lid (9) top is provided with fixing ring (93), and fixing ring (93) is provided with fixed claw (94), and is provided with annular mouth (87) on middle connection dish (84), and fixed claw (94) be located in annular mouth (87)；
The upper end of described gear shaft (6) is provided with spindle nose (60), and it is arranged over step bulge loop (63) at cylindrical boss (61), position limiting convex ring (86) it is provided with in the mesopore of ratchet circle (8), step bulge loop (63) and position limiting convex ring (86) offset, and it is provided with through hole (73) on the top of body (71), described spindle nose (60) traverse mesopore (21) and through hole (73), spindle nose (60) is provided with annular groove (64), slotted collar (27) is set in annular groove (64), it is that spindle nose (60) provides spacing with through hole (73) that slotted collar (27) is arranged on the outside of through hole (73)；
The inner ring of described centring ring (72) is provided with triangular hill (74), the connecting portion of triangular hill (74) and inner ring constitutes two limited mouths (75), and middle connection dish (84) is provided with location spring part (26), one end of location spring part (26) is fixed on middle connection dish (84), centre is arranged on the bottom surface of middle connection dish (84) for arc body laminating, the other end constitutes nose through middle connection dish (84), and nose is fastened on one position location of the upper composition of a limited mouth (75)；
The quantity of described straight trough (85) and arcuate groove (76) is respectively 3,4 or 5 respectively；
Described clutch gear (11) upper end is provided with bulge loop (110), and hollow axle (23) is plugged in bulge loop (110) and is connected by key (111) with bulge loop；
Described mafor planet gear (13) and small planetary gear (14) respectively 2,3 or 4；Described pinion stand (12) is two pieces of triangular plates, and triangular plate is fixed by bearing pin (15), and described mafor planet gear (13) and small planetary gear (14) are arranged on bearing pin (15)；
The inner chamber of described shell body (16) is suitable with pinion stand (12), and it is provided above end cap (10) at shell body (16), the inner chamber of end cap (10) closure body (16), it is arranged below steady pin (101) at end cap (10), described shell body (16) is provided with corresponding pin-and-hole (160), and steady pin (101) is plugged in pin-and-hole (160)；
The end of described handle (1) is provided with cutter head storage facilities (5), cutter head storage facilities (5) includes cavity (19), bonnet (51) and cutter head support (54), cavity (19) is arranged on the upper end of handle (1), connecting rod (57) it is provided with between cutter head support (54) and bonnet (51), 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)；The mounting groove (55) of the circumferentially disposed multiple clamping cutter heads (53) of described cutter head support (54).
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 CN103507009A (en) | 2014-01-15 |
| CN103507009B true CN103507009B (en) | 2016-06-29 |
Family
ID=49890715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310505585.8A Active CN103507009B (en) | 2013-10-23 | 2013-10-23 | Multi-rotation ratchet screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103507009B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400724B (en) * | 2014-10-27 | 2016-06-15 | 绍兴环洲工具制造有限公司 | The plug-type dismantling device of screwdriver bit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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, Wu Zh Hsiang, Taichung | 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 |
-
2013
- 2013-10-23 CN CN201310505585.8A patent/CN103507009B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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, Wu Zh Hsiang, Taichung | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103507009A (en) | 2014-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103507007B (en) | Multiple running ratchet train | |
| CN103522247B (en) | Multiple rotation ratchet wheel screwdriver handle | |
| CN203680184U (en) | Multiple-rotating ratchet wheel screwdriver handle | |
| CN104260025A (en) | Two-way wrench | |
| CN101941191A (en) | Multifunctional portable rotating screwdriver | |
| CN201086266Y (en) | Combined wrench | |
| CN103507009B (en) | Multi-rotation ratchet screwdriver | |
| CN103507008B (en) | The ratchet device of twin shaft output | |
| CN203680174U (en) | Multiple-rotating ratchet wheel screwdriver | |
| CN203510062U (en) | Multifold rotator | |
| CN102785206A (en) | Ratchet gear of screw driver and screw driver using ratchet gear | |
| CN206200843U (en) | A kind of All-in-One screw writing of indictments, appeals, etc. | |
| CN202922503U (en) | Ratchet wheel screwdriver | |
| CN203680175U (en) | Multiple-rotating ratchet wheel device | |
| CN203510065U (en) | Screwdriver handle with built-in tool bit | |
| CN103507018A (en) | Multi-rotation device | |
| CN202287759U (en) | Cover opening and closing mechanism of pressure cooker | |
| CN203510046U (en) | Double-shaft-output ratchet gear | |
| CN201659524U (en) | Ratchet device of screwdriver, ratchet screwdriver and ratchet screwdriver handle | |
| CN204108904U (en) | A kind of Two-way spanner | |
| CN202063230U (en) | Brake lever capable of adjusting holding distance | |
| CN204453352U (en) | A kind of Intelligent rice-storing case quantifying rice | |
| CN104169048A (en) | Power tool | |
| US20120227548A1 (en) | One-Way Wrench | |
| CN101758475B (en) | Ratchet wheel device of screwdriver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
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 |