CN103934776B - Two-way spanner - Google Patents
Two-way spanner Download PDFInfo
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- CN103934776B CN103934776B CN201310020308.8A CN201310020308A CN103934776B CN 103934776 B CN103934776 B CN 103934776B CN 201310020308 A CN201310020308 A CN 201310020308A CN 103934776 B CN103934776 B CN 103934776B
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- Prior art keywords
- ratchet
- pawl element
- ratchet face
- face
- gear
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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
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/467—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member which are gear-operated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The Two-way spanner of the present invention realizes two kinds of mode of operations and can easily changed between two kinds of mode of operations.When using the Two-way spanner of the present invention, the input torque of user's input is alternate clockwise moment or counter clockwise direction torque, and the output torque of the output end of Two-way spanner of the invention is alternatively clockwise moment and counter clockwise direction torque.
Description
Technical field
The present invention relates to hand-operated tools, more particularly to a kind of Two-way spanner.
Background technology
General screwdriver, torque spanner etc hand-operated tools in use, motion of the hand in rotation direction have it is certain
Limit, will not persistently it be carried out along a direction.In this kind of instrument, the rotary shaft and main shaft of handle are coaxial, one during use
As be such：First, with hand towards some desired direction rotational handle（Such as tighten or unclamp a screw）, then,
Hand is reversely rotated, makes the instrument be repositioned to enter subsequent cycle.In the Part II of above-mentioned circulation, the reverse rotation of hand
Turn hold again again after decontroling handle or in the tool equipped with non-return devices such as ratchet face mechanisms, make handle
Main shaft is motionless during reversion, can also be and is inserted into after the instrument is departed from screw.Nevertheless, the reverse rotation of hand is not
The effective exercise of fastener can be brought, therefore as the action being wasted.
United States Patent (USP) US5931062 discloses a kind of mechanical transducer, including a main shaft；And on main shaft
Two driving elements, an one-way clutch, and the two lists on main shaft are all inserted between each driving element and main shaft
It is identical with the direction of engagement of main shaft to clutch so that when any one driving element rotates to the direction, main shaft can all be dragged
One direction of trend rotates, and when driving element rotates in the opposite direction, relative main is idle running；Also include one along spindle shaft
The rotating device of line configuration, the rotating device engage with a selected driving element；Also include a switching mechanism, the conversion
Mechanism is connected simultaneously with two driving elements, forces two driving elements always to reversely rotate, so that a driving element is dragged
Dynamic main axis, another driving element idle running so that no matter driving part rotates to which direction, main shaft is all always to one
Direction rotates, so as to rotating device（Such as handle）Rotating be all converted to the one-directional rotation of main shaft.The mechanical transducer
Can effectively using rotating device any direction rotation, no matter that is, handle is rotated clockwise or rotated counterclockwise,
Main shaft rotates both facing to a direction, so as to substantially increase the sport efficiency of hand, has saved the operating time.
However, the conversion equipment of the invention can only be such that main shaft rotates toward the direction, this is simultaneously not suitable with main shaft at two
The needs being just rotated up, for example, needing to tighten or loosening fasteners when applying as torque spanner, and turning for the invention is installed
The torque spanner of changing device is either obtained by the operation of the tightening fastener parts to common spanner or the operation of loosening fasteners
Result be all tightening fastener parts（Or loosening fasteners）.Desire to the torque spanner of the conversion equipment of the invention is installed
The operation of tightening fastener parts and loosening fasteners can be realized, it may be considered that settling mode can only be in the torque spanner
The both ends of main shaft（That is the both ends of work department）Output end is all set, and wherein one end is used for the operation of tightening fastener parts, and the other end is used
In the operation of loosening fasteners.And such design is burdensome, the output for being adapted to requirement is selected due to should be noted during use
End, it is also extremely inconvenient.
Therefore, those skilled in the art is directed to developing and a kind of can easily switch the two-way of main axis direction and pull
Hand.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of Two-way spanner,
Realize the main axis direction for easily switching torque spanner.
To achieve the above object, the invention provides a kind of Two-way spanner, including work department and handle, the work department
Including main shaft, the main shaft is used for output torque and its axis is perpendicular to the handle；Driving gear, driven gear, center tooth
Wheel shaft and idler gear, the driving gear, driven gear and intermediate gear shaft are set on the main shaft, in described
Between gear shaft axis it is vertical with the axis of the main shaft, the idler gear is arranged on the intermediate gear shaft, and is coordinated
It is driven between the driving gear and the driven gear, wherein the handle drives the driving gear to rotate, in described
Between be installed with a grip device outside gear shaft, when gripping the grip device, rotate the handle and drive the driving gear
During rotation, the driving gear drives the driven gear to reversely rotate by the idler gear；Turn with together with driving gear
The first dynamic ratchet face, and the second ratchet face rotated together with driven gear；The first spine of the main axis can be driven
Pawl element and the second pawl element；Wherein described first pawl element has the optionally coordinated with first ratchet face
One ratchet and the second ratchet, wherein first ratchet skids with first ratchet face in a first direction, second
Then engaged in a first direction with first ratchet face with the first ratchet face couple drive, second ratchet on direction
Transmission, then skids with first ratchet face in a second direction；Second pawl element have optionally with institute
State the second ratchet face cooperation the 3rd ratchet and the 4th ratchet, wherein the 3rd ratchet in a first direction with first spine
The flank of tooth skid, in a second direction then with the first ratchet face couple drive, the 4th ratchet in a first direction with institute
The first ratchet face couple drive is stated, is then skidded in a second direction with first ratchet face；Reversing switch, the reversing switch
First pawl element and second pawl element can be arranged on first state and the second state, in the first state
Under, first ratchet and the 3rd ratchet coordinate with first ratchet face and the second ratchet face respectively simultaneously；Described
Under second state, second ratchet and the 4th ratchet are matched somebody with somebody with first ratchet face and the second ratchet face respectively simultaneously
Close；The first direction for clockwise or counterclockwise, the second direction be with first party in the opposite direction.
In a further embodiment, the handle has toroidal head portion, and first ratchet face is arranged on the ring-type
On the inner ring on head.
In a further embodiment, first ratchet face is arranged on the inner ring of the driving gear.
In a further embodiment, second ratchet face is arranged on the inner ring of the driven gear.
In a further embodiment, the grip device is gripper rings.
In a further embodiment, first pawl element and/or the second pawl element are sector.
In a further embodiment, first pawl element and the second pawl element are arranged on countershaft, described
The axis of countershaft is with the main axis parallel and is not overlapped with the main shaft, and the countershaft is connected with the main shaft, can drive described
Main axis.
In a further embodiment, the countershaft is located among the main shaft.
In a further embodiment, the reversing switch includes newel, the first bulb plunger and the second bulb plunger,
The newel is placed through in the main shaft, first bulb plunger and second bulb plunger be sequentially fixed at it is described in
On stem, first bulb plunger and second bulb plunger respectively with first pawl element and the second pawl element
Coordinate.
In a further embodiment, it is provided with spring in first bulb plunger and second bulb plunger.
The Two-way spanner of the present invention realizes two kinds of mode of operations and can easily changed between two kinds of mode of operations.Make
During with Two-way spanner of the invention, the input torque of user's input is alternate clockwise moment or counter clockwise direction power
Square, the output torque of the output end of Two-way spanner of the invention is alternatively clockwise moment and counter clockwise direction torque.
Design, concrete structure and the caused technique effect of the present invention are described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the front view of the Two-way spanner of the present invention.
Fig. 2 is the sectional view of the Two-way spanner shown in Fig. 1.
Fig. 3 shows the transmission device in the Two-way spanner of the present invention.
Fig. 4 shows the reversing arrangement in the Two-way spanner of the present invention.
Fig. 5 shows the main shaft for being mounted with the first pawl element and the second pawl element.
Fig. 6 is the front view of the first pawl element in Fig. 5.
When Fig. 7 shows that the Two-way spanner of the present invention is in the first mode of operation, the first pawl element and the first ratchet
Cooperation between face.
Fig. 8 shows the turn-button of the mode of operation of the Two-way spanner for changing the present invention.
Fig. 9 shows the stopping means in the Two-way spanner of the present invention.
Figure 10 is the side view of the stopping means shown in Fig. 9.
Embodiment
As illustrated in fig. 1 and 2, handle 20 and work department are included according to the Two-way spanner of the specific embodiment of the present invention
10, the Longitudinal extending of handle 20 and the head 21 for passing through its ring-type（Referring to Fig. 3）It is socketed on work department 10.Inside work department 10
Gripper rings 102 are provided with provided with main shaft 100, outside.One end of main shaft 100 be extend to work department 10 and handle 20 head 21 it
Outer output end 101.It is various that output end 101 can be configured to be applied to operation exterior angle screw etc. by installing different sleeves
The configuration of fastener.
The Two-way spanner of the present invention includes transmission device and the reversing arrangement being coupled, the input torque from handle 20
The main shaft 100 of work department 10 is sent to by transmission device, and optionally makes what output end 101 exported by reversing arrangement
The direction of output torque is first direction or second direction, and wherein first direction is opposite with second direction.For example, work department 10
Input torque is clockwise moment or counter clockwise direction torque, and the output torque that output end 101 exports is clockwise
Torque；Or the input torque of work department 10 is clockwise moment or counter clockwise direction torque, what output end 101 exported
Output torque is counter clockwise direction torque.
The structure of the transmission device of the Two-way spanner of the present invention is as shown in figure 3, including the first ratchet face 311, driving gear
312nd, the second ratchet face 321, driven gear 322, intermediate gear shaft 330, idler gear 331 and 332.Wherein, the first ratchet face
311 are connected and coaxial with driving gear 312, and in the present embodiment, the first ratchet face 311 is fixedly arranged on the head 21 of the ring-type of handle 20
Inner ring, driving gear 312 is fixedly connected on the head 21 of handle 20, and so when handle 20 rotates, its head 21 can drive
Driving gear 312 rotates simultaneously, and in other embodiments, the first ratchet face 311 may also be arranged on the inner ring of driving gear 312；
Second ratchet face 321 is arranged on the inner ring of driven gear 322.The flank of tooth and main shaft of first ratchet face 311 and the second ratchet face 321
100 outer peripheral face is relative；Driving gear 312 and driven gear 322 are the teeth of face gear, driving gear 312 and driven gear 322
Face is relative to each other.First ratchet face 311, the second ratchet face 321, driving gear 312 and driven gear 322 be all coaxial and its center
Axis overlaps with the central axis of main shaft 100.
Intermediate gear shaft 330 is fixedly linked with gripper rings 102.Idler gear 331,332 is arranged on intermediate gear shaft 330
On, intermediate gear shaft 330 is vertical with main shaft 100.Idler gear 331,332 coordinate driving gear 312 and driven gear 322 it
Between, their tooth is driven with the indented joint on the flank of tooth of driving gear 312 and driven gear 322 respectively, when gripper rings 102 are solid
Calmly, can be driven when that is, intermediate gear shaft 330 is fixed, when driving gear 312 rotates by idler gear 331,332 driven
Gear 322 reversely rotates with it.In the present embodiment, idler gear 331,332 is all bevel gear.
The structure of the reversing arrangement of the Two-way spanner of the present invention is as shown in figure 4, including by newel 220, the first ball head column
The reversing switch and the first pawl element 211 and the second pawl element 212 that the bulb plunger 222 of plug 221 and second is formed.Its
In, newel 220 is installed in main shaft 100, and the first bulb plunger 221 and the second bulb plunger 222 are sequentially fixed at newel
On 220, the activity direction of the bulb part of the first bulb plunger 221 and the second bulb plunger 222 is vertical with main shaft 110, preferably
Ground, the flexible members such as spring are combined with the first bulb plunger 221 and the second bulb plunger 222.The He of first pawl element 211
Second pawl element 212 by countershaft 210 be arranged on main shaft 100 on, as shown in figure 5, countershaft 210 parallel to main shaft 100 but its
The misaligned central axis in main shaft 100 of central axis, the first pawl element 211 and the second pawl element 212 can be around countershafts
210 rotate.
First pawl element 211 is similar with the structure of the second pawl element 212, all including the first fan-shaped ratchet, the second fan
Shape ratchet and fan-shaped center section between the two.By taking the first pawl element 211 as an example, Fig. 6 shows the first pawl element 211
Top view（I.e. along main shaft 100 to the direction of output end 101）, from fig. 6 it can be seen that the first pawl element 211 includes the
One fan-shaped ratchet 2111, the second fan-shaped ratchet 2112 and fan-shaped center section 2110 between the two.First fan-shaped ratchet 2111
Fan-shaped tooth surface, the sector of fan-shaped center section 2110 and the fan-shaped tooth surface of the second fan-shaped ratchet 2112 constitute the first ratchet
The first surface of element 211.First pawl element 211 also has second surface, and this is a shaped face, in the present embodiment,
It includes a recess 2113, and recess 2113 has the first side wall 2114 and second sidewall 2115.The first side wall 2114 and second
The direction extension of all main shafts 100 of side wall 2115.There is the via 2101 coordinated with countershaft 210, countershaft in first pawl element 211
210 are arranged on the first pawl element 211 on main shaft 100 through via 2101（As shown in Figure 5）.In the present embodiment, via
2101 are arranged on the fan-shaped center section 2110 of the first pawl element 211, it is preferred that being arranged on the weight of the first pawl element 211
At the heart.The structure of second pawl element 212 is similar to the first pawl element 211, will not be described here, in the present embodiment its thickness
（The length extended along main shaft 100）Less than the thickness of the first pawl element 211, but in other embodiments, its thickness also may be used
It is equal with the thickness of the first pawl element 211, or the thickness more than the first pawl element 211.
The first surface of first pawl element 211 and the second pawl element 212 respectively with the first ratchet face 311 and the second spine
The flank of tooth of the flank of tooth 321 is relative, specifically, the fan-shaped ratchet of the first pawl element 211（Including the first fan-shaped ratchet 2111 and second
Fan-shaped ratchet 2112）Tooth it is relative with the tooth of the first ratchet face 311, the fan-shaped ratchet of the second pawl element 212（Including the first fan
Shape ratchet and the second fan-shaped ratchet）Tooth it is relative with the tooth of the second ratchet face 321.First pawl element 211 and the second ratchet member
The second surface of part 212 is relative with the surface of newel 220 respectively, specifically, the second surface of the first pawl element 211 and
The bulb of the ball head split-phase pair of one bulb plunger 221, the second surface of the second pawl element 212 and the second bulb plunger 222
Part is relative.By pivot post 220, it can tap the ball head of the first bulb plunger 221 and touch the first pawl element 211
Recess 2113 the first side wall 2114, while tap the ball head of the second bulb plunger 222 and touch second pawl element 212
The first side wall of recess, Two-way spanner now of the invention are in the first mode of operation；Or make the first bulb plunger 221
Ball head tap touch the first pawl element 211 recess 2113 second sidewall 2115, while make the second bulb plunger 222
Ball head tap touches the second sidewall of the recess of the second pawl element 212, and now Two-way spanner of the invention is in second of work
Operation mode.
When the Two-way spanner of the present invention is in the first mode of operation, as shown in fig. 7, the of the first pawl element 211
The tooth of one fan-shaped ratchet 2111 and the tooth contact of the first ratchet face 311, equally, the first fan-shaped ratchet of the second pawl element 212
Tooth and the second ratchet face 321 tooth contact.When handle 20 head 21 drive the first ratchet face 311 rotate, when first fan
The direction of motion of the tooth of the first ratchet face 311 at shape ratchet 2111 is to point to the second sector portion from the first sector portion 2111
When 2112, i.e., when the first ratchet face 311 as shown in Figure 7 rotates clockwise, because the ball head of the first bulb plunger 221 taps
Tactile is the first side wall 2114 of the recess 2113 of the first pawl element 211, and the first ratchet face 311 can not drive the first ratchet first
Part 211 rotates therewith, i.e., the tooth of the first fan-shaped ratchet 2111 and the tooth of the first ratchet face 311 not couple drive；And work as
The direction of motion of the tooth of the first ratchet face 311 at first fan-shaped ratchet 2111 is to point to the first fan from the second sector portion 2112
During shape part 2111, i.e., when the first ratchet face 311 as shown in Figure 7 rotates counterclockwise, due to the ball work of the first bulb plunger 221
Make the first side wall 2114 of the recess 2113 of the first pawl element 211 of part contact, the first ratchet face 311 can drive the first ratchet
Element 211 is rotated therewith, i.e., the tooth of the first fan-shaped ratchet 2111 and the indented joint of the first ratchet face 311 are driven.And first
The rotation of pawl element 211 is transferred to main shaft 100 by countershaft 210, so as to drive main shaft 100 to rotate.
Meanwhile the direction of motion of the tooth of the second ratchet face 321 at the first fan-shaped ratchet in the second pawl element 212
During to point to the second sector portion from the first sector portion of the second pawl element 212, i.e., the second ratchet face 321 rotates clockwise
When, due to the ball working portion of the second bulb plunger 222 contact be the second pawl element 212 recess the first side wall, the
Two ratchet faces 321 can not drive the second pawl element 212 to rotate therewith, i.e. the first fan-shaped spine of the second pawl element 212
The tooth of the tooth of pawl and the second ratchet face 321 not couple drive；And when the at the first fan-shaped ratchet of the second pawl element 212
When the direction of motion of the tooth of two ratchet faces 321 is points to the first sector portion from the second sector portion of the second pawl element 212,
When i.e. the second ratchet face 321 rotates counterclockwise, because the ball working portion of the second bulb plunger 222 contacts the second pawl element
The first side wall of 212 recess, the second ratchet face 321 can drive the second pawl element 212 to rotate therewith, i.e. the second ratchet
The tooth of first fan-shaped ratchet of element 212 and the indented joint of the second ratchet face 321 are driven.And the rotation of the second pawl element 212
Main shaft 100 is transferred to by countershaft 210, so as to drive main shaft 100 to rotate.
Due to the transmission of foregoing idler gear 331,332 and driving gear 312 and driven gear 322, when gripper rings 102
When fixed, the rotation direction of the second ratchet face 321 is opposite with the first ratchet face 311.It follows that in the two-way of the present invention
Spanner is in the first mode of operation, and when being clockwise moment from the input torque of work department 10, it makes the first ratchet face 311 suitable
Hour hands rotate, and the second ratchet face 321 rotates counterclockwise, and now the first pawl element 211 does not couple with the first ratchet face 311, the
Two pawl elements 212 couple with the second ratchet face 321, and thus, the second pawl element 212 rotates counterclockwise main shaft 100, output
Torque is anticlockwise moment；When being anticlockwise moment from the input torque of work department 10, it makes the first ratchet face 311 turn counterclockwise
Dynamic, the second ratchet face 321 rotates clockwise, and now the first pawl element 211 couples with the first ratchet face 311, the second ratchet member
Part 212 does not couple with the second ratchet face 321, and thus, the first pawl element 211 rotates counterclockwise main shaft 100, and output torque is
Anticlockwise moment.
When the Two-way spanner of the present invention is in second of mode of operation, the second fan-shaped ratchet of the first pawl element 211
The tooth contact of 2112 tooth and the first ratchet face 311, equally, the tooth and second of the second fan-shaped ratchet of the second pawl element 212
The tooth contact of ratchet face 321.When the input torque from work department 10 rotates the first ratchet face 311, when in the second fan-shaped spine
The direction of motion of the tooth of the first ratchet face 311 at pawl 2112 is to point to the second sector portion 2112 from the first sector portion 2111
When, i.e., when the first ratchet face 311 rotates clockwise, because the ball head tap of the first bulb plunger 221 touches the first pawl element
The second sidewall 2115 of 211 recess 2113, the first ratchet face 311 can drive the first pawl element 211 to rotate therewith, i.e.,
The tooth of second fan-shaped ratchet 2112 and the indented joint of the first ratchet face 311 are driven；And the rotation of the first pawl element 211 passes through pair
Axle 210 is transferred to main shaft 100, so as to drive main shaft 100 to rotate.And when the first ratchet face at the second fan-shaped ratchet 2112
When the direction of motion of 311 tooth is points to the first sector portion 2111 from the second sector portion 2112, i.e., the first ratchet face 311 is inverse
When hour hands rotate, due to the ball head tap of the first bulb plunger 221 touch be the first pawl element 211 recess 2113 the
Two side walls 2115, the first ratchet face 311 can not drive the first pawl element 211 to rotate therewith, i.e., the second fan-shaped ratchet
The tooth of 2112 tooth and the first ratchet face 311 not couple drive.
Meanwhile the direction of motion of the tooth of the second ratchet face 321 at the second fan-shaped ratchet in the second pawl element 212
During to point to the second sector portion from the first sector portion of the second pawl element 212, i.e., the second ratchet face 321 rotates clockwise
When, because the ball head tap of the second bulb plunger 222 touches the second sidewall of the recess of the second pawl element 212, the second ratchet
Face 321 can drive the second pawl element 212 to rotate therewith, i.e. the tooth of the second fan-shaped ratchet of the second pawl element 212 with
The indented joint transmission of second ratchet face 321；And the rotation of the second pawl element 212 is transferred to main shaft 100 by countershaft 210, from
And main shaft 100 is driven to rotate.And work as the tooth of the second ratchet face 321 at the second fan-shaped ratchet of the second pawl element 212
When the direction of motion is points to the first sector portion from the second sector portion of the second pawl element 212, i.e., the second ratchet face 321 is inverse
Hour hands rotate when, due to the second bulb plunger 222 ball working portion contact be the second pawl element 212 recess second
Side wall, the second ratchet face 321 can not drive the second pawl element 212 to rotate therewith, i.e. the second of the second pawl element 212
The tooth of the tooth of fan-shaped ratchet and the second ratchet face 321 not couple drive.
Due to the transmission of foregoing idler gear 331,332 and driving gear 312 and driven gear 322, when gripper rings 102
When fixed, the rotation direction of the second ratchet face 321 is opposite with the first ratchet face 311.It follows that in the two-way of the present invention
Spanner is in second of mode of operation, and when being clockwise moment from the input torque of work department 10, it makes the first ratchet face 311 suitable
Hour hands rotate, and the second ratchet face 321 rotates counterclockwise, and now the first pawl element 211 couples with the first ratchet face 311, and second
Pawl element 212 does not couple with the second ratchet face 321, and thus, the first pawl element 211 rotates clockwise main shaft 100, output
Torque is clockwise moment；When being anticlockwise moment from the input torque of work department 10, it makes the first ratchet face 311 turn counterclockwise
Dynamic, the second ratchet face 321 rotates clockwise, and now the first pawl element 211 does not couple with the first ratchet face 311, the second ratchet
Element 212 couples with the second ratchet face 321, and thus, the second pawl element 212 rotates clockwise main shaft 100, and output torque is
Clockwise moment.
As previously mentioned, by pivot post 220, the first mode of operation of Two-way spanner and the of the present invention can be made
Switch between two kinds of mode of operations, select.In order to easy to use, in the present embodiment, as shown in figure 8, the of newel 220
One end is provided with turn-button 223, by the Liang Ge ears for making newel 220（Such as the ear 2201 in Fig. 8）Embedded turn-button 223 is real
Existing cooperation between newel 220 and turn-button 223.So, it by rotating turn-button 223, can rotate newel 220.This reality
The spine that two surfaces for protruding from turn-button 223 are provided with the turn-button 223 in example is applied, can be led to such as spine 2231, during use
Cross and turning moment is applied to the Liang Tiao spines including spine 2231 to rotate turn-button 223.
The Two-way spanner of the present invention also includes stopping means, and it makes the Two-way spanner of the present invention be maintained at selected Working mould
Formula is until user is switched to other mode of operations.As shown in Figures 9 and 10, the stopping means in the present embodiment is set including one
Put the hoodle 400 between the second end of output end 101 and newel 220, and the bullet of the second end in newel 220
The groove that pearl 400 coordinates, in particular the first groove 410 and the second groove 420.First groove 410 and the second groove 420 extend parallel to each other and
Separated between the two by smooth ridge.
When hoodle 400 is in the first groove 410, the ball working portion of the first bulb plunger 221 and the second bulb plunger 222
Its contact with the first pawl element 211 and the first side wall of the recess of the second pawl element 212 is kept, i.e., of the invention is two-way
Spanner is maintained at the first mode of operation；When hoodle 400 is in the second groove 420, the first bulb plunger 221 and the second bulb
The ball working portion of plunger 222 keeps itself and the second sidewall of the first pawl element 211 and the recess of the second pawl element 212
Contact, i.e. Two-way spanner of the invention are maintained at second of mode of operation.When rotating turn-button 223, rotate newel 220,
And make hoodle 400 from the first groove 410 enter the second groove 420 when, Two-way spanner of the invention enters the from the first mode of operation
Two kinds of mode of operations；When rotating turn-button 223, newel 220 is rotated, and hoodle 400 is entered the first groove from the second groove 420
When 410, Two-way spanner of the invention enters the first mode of operation from second of mode of operation.
In the present embodiment, intermediate gear shaft 330 is fixedly connected with gripper rings 102, and intermediate gear shaft 330 is relative to gripper rings
102 fix, and thus when work department 20 rotates relative to gripper rings 102, idler gear 331,332 makes turning for driven gear 322
Dynamic direction is opposite with the rotation direction of driving gear 312.In use, in order that idler gear 331,332 works, to ensure the
The rotation direction of two ratchet faces 321 is with the first ratchet face 311 on the contrary, user can be made by way of gripping gripper rings 102
Intermediate gear shaft 330 positions, and is rotated under the drive of driving gear 312 so as to idler gear 331,332, so drive from
Moving gear 322 rotates, so that the second ratchet face 321 oppositely rotates with the first ratchet face 311.It should be noted that at this
In the other embodiment of invention, other modes can also be taken to position intermediate gear shaft 330, and make idler gear 331,332
Work.
In addition, as previously mentioned, the output end 101 of Two-way spanner of the invention can by different sleeves is installed with
The configuration suitable for various fasteners such as operation exterior angle screws is set to, now, in the stopping means of Two-way spanner of the invention
Hoodle 400 can be also used for carrying out screens to each sleeve for being installed on output end 101.
Preferred embodiment of the invention described in detail above.It should be appreciated that the ordinary skill of this area is without wound
The property made work can makes many modifications and variations according to the design of the present invention.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of Two-way spanner, including work department and handle, it is characterised in that the work department includes
Main shaft, the main shaft is used for output torque and its axis is perpendicular to the handle；
Driving gear, driven gear, intermediate gear shaft and idler gear, the driving gear, driven gear and idler gear
Axle is set on the main shaft, and the axis of the intermediate gear shaft is vertical with the axis of the main shaft, the idler gear
On the intermediate gear shaft, and coordinate and be driven between the driving gear and the driven gear, wherein
The handle drives the driving gear to rotate, and a grip device is installed with outside the intermediate gear shaft, when gripping residence
Grip device is stated, when rotating the handle and driving the driving gear to rotate, the driving gear passes through the idler gear band
The dynamic driven gear reversely rotates；
With the first ratchet face rotated together with driving gear, and the second ratchet face rotated together with driven gear；
The first pawl element and the second pawl element of the main axis can be driven；Wherein
First pawl element has the first ratchet and the second ratchet optionally coordinated with first ratchet face, wherein
First ratchet skids with first ratchet face in a first direction, in a second direction then with first ratchet
Face couple drive, second ratchet in a first direction with the first ratchet face couple drive, in a second direction then with
First ratchet face skids；
Second pawl element has the 3rd ratchet and the 4th ratchet optionally coordinated with second ratchet face, wherein
3rd ratchet skids with second ratchet face in a first direction, is then connect in a second direction with second ratchet face
Close transmission, the 4th ratchet in a first direction with the second ratchet face couple drive, in a second direction then with it is described
Second ratchet face skids；
First pawl element and second pawl element can be arranged on first state by reversing switch, the reversing switch
With the second state, in said first condition, first ratchet and the 3rd ratchet simultaneously respectively with first ratchet
Face and the second ratchet face coordinate；In said second condition, second ratchet and the 4th ratchet simultaneously respectively with it is described
First ratchet face and the second ratchet face coordinate；
The reversing switch includes newel, and the newel is placed through in the main shaft；
The first direction for clockwise or counterclockwise, the second direction be with first party in the opposite direction.
2. Two-way spanner as claimed in claim 1, wherein, the handle has toroidal head portion, and first ratchet face is set
On the inner ring of the toroidal head portion.
3. Two-way spanner as claimed in claim 1, wherein, first ratchet face is arranged on the inner ring of the driving gear
On.
4. Two-way spanner as claimed in claim 1, wherein, second ratchet face is arranged on the inner ring of the driven gear
On.
5. Two-way spanner as claimed in claim 1, wherein, the grip device is gripper rings.
6. Two-way spanner as claimed in claim 1, wherein, first pawl element and/or the second pawl element are sector.
7. Two-way spanner as claimed in claim 1, wherein, first pawl element and the second pawl element are arranged on countershaft
On, the axis of the countershaft is with the main axis parallel and is not overlapped with the main shaft, and the countershaft is connected with the main shaft, can
Drive the main axis.
8. Two-way spanner as claimed in claim 7, wherein, the countershaft is located among the main shaft.
9. Two-way spanner as claimed in claim 1, wherein, the reversing switch also includes the first bulb plunger and the second bulb
Plunger, first bulb plunger and second bulb plunger are sequentially fixed on the newel, first ball head column
Plug and second bulb plunger coordinate with first pawl element and the second pawl element respectively；
The Two-way spanner also includes stopping means, and the stopping means is arranged to make the Two-way spanner to be maintained at selected
Mode of operation until being switched to other mode of operations.
10. Two-way spanner as claimed in claim 9, wherein, set in first bulb plunger and second bulb plunger
It is equipped with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020308.8A CN103934776B (en) | 2013-01-18 | 2013-01-18 | Two-way spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020308.8A CN103934776B (en) | 2013-01-18 | 2013-01-18 | Two-way spanner |
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| Publication Number | Publication Date |
|---|---|
| CN103934776A CN103934776A (en) | 2014-07-23 |
| CN103934776B true CN103934776B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310020308.8A Active CN103934776B (en) | 2013-01-18 | 2013-01-18 | Two-way spanner |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406667A (en) * | 2017-02-09 | 2018-08-17 | 深圳市三诺数字科技有限公司 | A kind of retaining mechanism |
| CN106737330B (en) * | 2017-02-22 | 2018-06-26 | 南京航空航天大学 | A kind of self-boosting type Two-way spanner and its method of work |
| WO2023184132A1 (en) * | 2022-03-29 | 2023-10-05 | 杭州巨星科技股份有限公司 | Ratchet wheel mechanism and hand tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202292572U (en) * | 2011-07-07 | 2012-07-04 | 杭州巨星工具有限公司 | Bidirectional mechanical converter |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1112913A (en) * | 1979-02-05 | 1981-11-24 | John Penner | Ratchet wrench of the socket drive type with socket ejector |
| US6101901A (en) * | 1999-08-10 | 2000-08-15 | The Stanley Works | Dual-pawl full engagement reversible ratchet wrench |
| JP2004508211A (en) * | 1999-11-23 | 2004-03-18 | フレデリック・エル・ジンク | Reversible ratchet head assembly |
| TW503802U (en) * | 2001-10-17 | 2002-09-21 | Hou-Fei Hu | Invertible ratchet wrench |
| TW551258U (en) * | 2002-10-08 | 2003-09-01 | Chih-Ching Hsieh | Turn-button structure for steering structure of ratchet |
| US20060196317A1 (en) * | 2005-03-03 | 2006-09-07 | Infinity Consulting Group, Llc | Adjustable ratchet wrench |
| US9038507B2 (en) * | 2007-03-21 | 2015-05-26 | Snap-On Incorporated | Dual pawl ratchet mechanism and reversing method |
| US7587961B1 (en) * | 2008-08-11 | 2009-09-15 | William Tools Co., Ltd. | Reversible ratchet tool |
| CN102145477A (en) * | 2010-02-10 | 2011-08-10 | 浙江恒力进出口有限公司 | Ratchet wrench |
| CN203045591U (en) * | 2013-01-18 | 2013-07-10 | 杭州巨星工具有限公司 | Bidirectional wrench |
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2013
- 2013-01-18 CN CN201310020308.8A patent/CN103934776B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202292572U (en) * | 2011-07-07 | 2012-07-04 | 杭州巨星工具有限公司 | Bidirectional mechanical converter |
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| CN103934776A (en) | 2014-07-23 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190417 Address after: 310019 35 Ring Road, Jianggan District, Jianggan District, Hangzhou, Zhejiang Co-patentee after: Hangzhou GreatStar Industrial Co., Ltd. Patentee after: Hangzhou Great Star Industrial Co., Ltd. Co-patentee after: Latchet Co.,Ltd. Address before: 310019 35 Ring Road, Jianggan District, Jianggan District, Hangzhou, Zhejiang Co-patentee before: Hangzhou GreatStar Industrial Co., Ltd. Patentee before: Hangzhou Great Star Industrial Co., Ltd. |
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