CN109664229A - The ratchet spanner of torsion can be improved - Google Patents
The ratchet spanner of torsion can be improved Download PDFInfo
- Publication number
- CN109664229A CN109664229A CN201710963705.7A CN201710963705A CN109664229A CN 109664229 A CN109664229 A CN 109664229A CN 201710963705 A CN201710963705 A CN 201710963705A CN 109664229 A CN109664229 A CN 109664229A
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- China
- Prior art keywords
- group
- ratchet
- block
- apertured
- rotating member
- 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.)
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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
- 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
- B25B13/468—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member with possibility of locking the ratchet mechanism
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0028—Angular adjustment means between tool head and handle
Abstract
The present invention is a kind of ratchet spanner that torsion can be improved, including a lever and positioned at an actuation head of lever one end, actuation head has one group of apertured and is connected to an accommodation groove of this group of apertured, and the group apertured and accommodation groove that are connected to are interior equipped with a rotating member, a ratchet commutation group and a block piece；Rotating member has a ratchet bulge loop and a position-arresting disk；Ratchet commutation group has lid group in a movable cover at group apertured both ends and a fixed lid, and a commutating tooth block, a moving part and a helical spring between the movable cover, fixed lid, block piece is combined on the outside of group apertured with movable cover surface with sliding set of concave-convex fit structure, block piece is slid by lever towards position-arresting disk direction, and the wherein limiting slot block limit in the position-arresting disk outer peripheral edge is headed into one end, to support rotating part there is bigger rotation torsion to export.
Description
Technical field
The present invention relates to the technical field of hand tool more particularly to a kind of ratchet spanneres that torsion can be improved.
Background technique
Such as " ratchet spanner " patent of the U.S. the US8596169B2nd, structure is as shown in its FIG.1-4, in a ratchet
Driving end (figure label 12) set by spanner (figure label 10) one end, which is equipped with parallel two hole (figure label 14 and 16) set group, to be had
Revolving part (figure label 20) and a limiting device (figure label 30)；Wherein, revolving part (figure label 20) has convex be exposed to
One dished cover (figure label 21) on driving end (figure label 12) surface, and it is located at the several of dished cover (figure label 21) periphery
Notch (figure label 22)；And limits device (figure label 30) includes the circle that a maintainance block (figure label 31) extends downward
Column (figure label 32), and cylinder 32 has a tank (figure label 33) to accommodate a spring (figure label 34) and a set of
Cylinder (figure label 35), and it is additionally provided with an elastic pearl (figure label 36) and an annular groove (figure label 37) in cylinder 32, and
A C-shaped button (figure label 38) is buckled in annular groove 37.Whereby, limiting device 30 is allow to be parallel to the direction phase of revolving part 20
When to 12 descending operation of driving end, obtain so that maintainance block 31 is embedded in wherein a kerf 22 of 21 periphery of dished cover, and so as to limitation
Revolving part 20 is fixed and then improves the rotation torsion of spanner.
Taken off on however, wherein a kerf 22 that existing patent makes maintainance block 31 be embedded in 21 periphery of dished cover with operation in because
To lack guiding structure, so once maintainance block 31 and notch 22 will be such that maintainance block 31 blocks on not opposite position
And it cannot be introduced into notch 22, it is necessary to readjust relative position just and can enter notch 22, and cause to have some setbacks using upper
One of with inconvenience, the shortcomings that being for existing patent.
Moreover, combination assembling of the limiting device 30 in driving end 12 must be with unification cylinder 32, a tank 33, a spring
34, the elastic pearl 36 of a sleeve 35, one, an annular groove 37 and a c-type such as buckle at the labyrinths cooperation, but cause assembling degree of difficulty to improve with
And the extension in assembling working hour, the control of unfavorable duration, the two of the shortcomings that being for existing patent.
Furthermore numerous spare parts of above-mentioned complicated assembling will also result in the raising of manufacturer's part stock cost, also be unfavorable for
The three of the shortcomings that market competition is for existing patent.
So how to block maintainance block 31 in default of guiding structure for above-mentioned existing patent structure cannot be introduced into
Notch 22 is interior and causes to have some setbacks and inconvenience using upper, causes the raising of assembling degree of difficulty and assembling work with complicated numerous spare parts
When extension, and cause manufacturer's zero year stock cost raising the disadvantages of and carry out innovation, be to be intended to by this case
Where the difficulty that row solves.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes drawbacks described above of the existing technology, and provides one
The ratchet spanner that torsion kind can be improved, by sliding group in movable cover or the block piece of fixed lid, and by lever towards the rotating member limit
Position disk or the structure of the sliding of defining flange direction and block limit, by several limiting slots of the position-arresting disk or the card of defining flange
Gu slot has the notch greater than block piece, the effect that guiding block piece enters limiting slot, fixing slot can be formed, is effectively improved operational
Smooth degree and the upper convenience of use；Structure further is simplified by less component, effectively simplifies structure group and is filled with shortening work
Shi Chengben, the multiple economic benefit for having both reduction part stock cost are reached.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of ratchet spanner that torsion can be improved mainly includes a lever and the actuation head positioned at lever one end, the work
Dynamic head has one group of apertured and is connected to an accommodation groove of this group of apertured, and the actuation head group is equipped with and is located in group apertured and accommodation groove
A rotating member, a ratchet commutation group, and support the ratchet commutation group improve torsion output a block piece；The rotating member has
One ratchet bulge loop and a position-arresting disk, the ratchet bulge loop are set to rotating member peripheral side and are located in this group of apertured, which sets
In rotating member one end and protrude from this group of apertured, and the position-arresting disk has and is located on several limiting slots of outer peripheral edge；The ratchet
Commutation group has the fixed lid of a movable cover one of the lid group in this group of apertured both ends, and one between the movable cover, fixed lid changes
To tooth block, a moving part and a helical spring, and between the helical spring both ends contact commutating tooth block and moving part, the commutation
Tooth block is engaged with the ratchet bulge loop, the fixation lid set group in rotating member and be located at the ratchet bulge loop side, the movable cover set group in
Rotating member and between the ratchet bulge loop other side and the position-arresting disk, and the movable cover is equipped with the driving lever for protruding into accommodation groove, this group
Bar drives the actuation of moving part, commutating tooth block to change the driving direction for being engaged the ratchet bulge loop；The block piece is in outside group apertured
Side is combined with movable cover surface with sliding set of concave-convex fit structure, which is slid by lever towards the position-arresting disk direction, and the block piece one
End heads into the wherein limiting slot block limit in the position-arresting disk outer peripheral edge, to support the rotating member that there is bigger rotation to turn round
Power output.
The present invention is further technically characterized in that several limiting slots of the position-arresting disk separately include block face always and two tiltedly
Junction, two miter and straight block face connect and compose the expansion notch of the limiting slot, and set between the straight block face and two miters
For avoid that stress concentrates two in arc angle, which be the cuboid in face there are six tools, and the block piece is towards one end of position-arresting disk
Second-speculation's arc angle with arc angle in corresponding two, second-speculation's arc angle of the block piece one end enter limiting slot along two miters and abut against this two
Interior arc angle.
The present invention is further technically characterized in that, which has an allocating slot towards movable cover, the driving lever insert group in
Allocating slot simultaneously stirs moving part deflection, which corresponds to moving part deflection and pushing tow commutating tooth block beat to change switching occlusion
The driving direction of the ratchet bulge loop.
The ratchet spanner of torsion can be improved for second in the present invention, comprising a lever and positioned at an actuation head of lever one end,
The actuation head has one group of apertured and is connected to an accommodation groove of this group of apertured, and the actuation head group is equipped with and is located at group apertured and accommodating
A rotating member, a ratchet commutation group in slot, and the block piece for supporting the ratchet commutation group to improve torsion output；The rotating member
With a ratchet bulge loop and a defining flange, which is set to rotating member peripheral side and is located in this group of apertured, the limit
Position flange be set to the ratchet bulge loop side and protrude from this group of apertured, and the defining flange have be located on the several of outer peripheral edge
Fixing slot；The ratchet commutation group has the fixed lid of a movable cover one of the lid group in this group of apertured both ends, and is located at the movable cover, fixation
A commutating tooth block, a moving part and a helical spring between lid, and the helical spring both ends contact commutating tooth block and gearing
Between part, which is engaged with the ratchet bulge loop, and for the movable cover set group in rotating member and positioned at the side of ratchet bulge loop, this is solid
Lid set group is determined in rotating member and between the ratchet bulge loop other side and the defining flange, and the movable cover is equipped with and protrudes into accommodation groove
One driving lever, the driving lever stir moving part and commutating tooth block are driven to change the driving direction for being engaged the ratchet bulge loop；The block piece is in group
It is combined on the outside of apertured with fixed cap surface with sliding set of concave-convex fit structure, which is slid by lever towards the defining flange direction,
And the block piece one end heads into the wherein fixing slot block limit in the defining flange outer peripheral edge, to support the rotating member to have
Bigger rotation torsion output.
The present invention is further technically characterized in that several fixing slots of the defining flange separately include block face always and two
Miter, two miter and straight block face connect and compose the expansion notch of the fixing slot, and between the straight block face and two miters
It is set as avoiding stress concentrates in two arc angle, which be the cuboid in face there are six tools, and the block piece is towards defining flange
One end has second-speculation's arc angle of arc angle in corresponding two, and second-speculation's arc angle of the block piece one end enters fixing slot along two miters and abuts against
The arc angle in two.
The present invention is further technically characterized in that, which has an allocating slot towards movable cover, the driving lever insert group in
Allocating slot simultaneously stirs moving part deflection, which corresponds to moving part deflection and pushing tow commutating tooth block beat to change switching occlusion
The driving direction of the ratchet bulge loop.
The invention has the advantages that by sliding group in movable cover or the block piece of fixed lid, and by lever towards rotating member
The position-arresting disk or the structure of the sliding of defining flange direction and block limit, by the several limiting slots or defining flange of the position-arresting disk
Fixing slot there is the notch greater than block piece, guiding block piece can be formed and enter the effect of limiting slot, fixing slot, effectively improve operation
On smooth degree and use upper convenience；Further by the structure of simplifying of less component, effective cylinder structure group is filled with contracting
Short time cost, the multiple economic benefit for having both reduction part stock cost are reached.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the Three-dimensional combination diagram of first embodiment of the invention.
Fig. 2 is the perspective exploded view of first embodiment of the invention.
Fig. 3 is the perspective exploded view of block piece and movable cover of the present invention.
Fig. 4 is combined planar schematic diagram of the invention.
Fig. 5 is the combination diagrammatic cross-section of V-V line segment according to Fig.6, of the invention.
Fig. 6 is the limiting slot limit schematic diagram that block piece of the present invention heads into position-arresting disk.
Fig. 7 is the Three-dimensional combination diagram of second embodiment of the invention.
Fig. 8 is the perspective exploded view of second embodiment of the invention.
Fig. 9 is the combination diagrammatic cross-section of IX-IX line segment according to Fig.7, of the invention.
Figure 10 is the combination diagrammatic cross-section of X-X line segment according to Fig. 9 of the invention.
Figure 11 is the fixing slot limit schematic diagram that block piece of the invention heads into defining flange.
Figure label explanation:
100 spanners
10 lever, 11 actuation head
12 groups of 13 accommodation grooves of apertured
20 rotating member, 21 ratchet bulge loop
22 position-arresting disk, 221 limiting slot
23 defining flange, 231 fixing slot
2211,2311 straight block faces 2212,2312 miters
2213,30 ratchet commutation group of arc angle in 2313
31 movable cover, 311 sliding slot
312 sets of holes, 313 driving lever
32 fixed 321 second sliding slots of lid
322 second sets of holes, 33 commutating tooth block
34 moving part, 341 allocating slot
35 helical spring, 40 block piece
41 sliding block, 42 inverted arc angle
Specific embodiment
A kind of ratchet spanner that torsion can be improved of the present invention includes there are two types of embodiment, the first embodiment please refers to Fig. 1
To shown in Fig. 6, which includes a lever 10 and the actuation head 11 positioned at 10 one end of lever, the actuation head 11 tool
There is one group of apertured 12 and be connected to an accommodation groove 13 of this group of apertured 12,11 groups of the actuation head are equipped with positioned at group apertured 12 and accommodation groove
A rotating member 20, a ratchet commutation group 30 in 13, and the block piece 40 for supporting the ratchet commutation group 30 to improve torsion output.
The rotating member 20 has a ratchet bulge loop 21 and a position-arresting disk 22, which is set to 20 periphery of rotating member
Side and it is located in this group of apertured 12, which is set to one end of rotating member 20 and protrudes from group apertured 12, and the position-arresting disk
22 have the several limiting slots 221 for being located on outer peripheral edge.
The ratchet commutation group 30 has the fixed lid 32 of a movable cover 31 one of the lid group in this group of 12 both ends of apertured, and being located at should
A commutating tooth block 33, a moving part 34 and a helical spring 35 between movable cover 31, fixed lid 32, and 35 liang of the helical spring
It holds between contact commutating tooth block 33 and moving part 34, which is engaged with the ratchet bulge loop 21,32 sets of groups of the fixation lid
In rotating member 20 and be located at 21 side of ratchet bulge loop, 31 sets of groups of the movable cover in rotating member 20 and be located at 21 other side of ratchet bulge loop with
Between the position-arresting disk 22, which is equipped with the driving lever 313 for protruding into accommodation groove 13, which drives moving part 34 and change
To tooth block 33 actuation to change be engaged the ratchet bulge loop 21 driving direction.
The block piece 40 is combined in 12 outside of group apertured with 31 surface of movable cover with sliding set of concave-convex fit structure, and the block piece 40 is by holding
Handle 10 slides towards 22 direction of position-arresting disk, and 40 one end of block piece is headed into a wherein limiting slot for 22 outer peripheral edge of the position-arresting disk
221 blocks limit, to support the rotating member 20 that there is bigger rotation torsion to export.
In the lower feature for further carefully stating each component of the invention, in above-mentioned Fig. 1 into Fig. 6, the position-arresting disk 22 it is several
Limiting slot 221 separately includes block face 2211 always and two miters 2212, which connect structure with straight block face 2211
Avoid stress from concentrating two are set as at the expansion notch of the limiting slot 221, and between the straight block face 2211 and two miters 2212
Interior arc angle 2213, the block piece 40 are that there are six the cuboids in face for tool, and the block piece 40 has correspondence towards one end of position-arresting disk 22
Second-speculation's arc angle 42 of second-speculation's arc angle 42 of arc angle 2213 in two, 40 one end of block piece enters limiting slot 221 along two miters 2212
And abut against the arc angle 2213 in two.
Moreover, as shown in Figures 1 to 5, it, should since the moving part 34 of the invention has the allocating slot 341 towards movable cover 31
313 insert group of driving lever is in allocating slot 341 and stirs the deflection of moving part 34, the corresponding deflection of moving part 34 of the helical spring 35 and pushing tow commutation
33 beat of tooth block is to change the driving direction that switching is engaged the ratchet bulge loop 21.In addition, it is noted that the block piece 40 with
Concave-convex fit structure between 31 surface of movable cover, though a sliding slot 311 is set in movable cover 31 as shown in Figure 2 and Figure 3 and is matched with the block piece
40 are equipped with a sliding block 41 to slide group in the sliding slot 311, and but not limited to this.In addition, the movable cover 31 has the one of set group rotating member 20
Sets of holes 312, and one end of the sliding slot 311 is connected to the sets of holes 312, the sliding block 41 of the block piece 40 is by being connected to one end of the sets of holes 312
Sliding group is in the sliding slot 311.Whereby, the present invention no matter commutating tooth block 33 be engaged the ratchet bulge loop 21 driving direction switch in that
Direction, can by by block piece 40 by lever 10 towards the position-arresting disk 22 wherein a limiting slot 221 notch direction slide, make the gear
Part 40 has 221 block of the wherein limiting slot limit of the one end at inverted arc angle 42 headed into 22 outer peripheral edge of the position-arresting disk, to
The ratchet bulge loop 21 is engaged in existing commutating tooth block 33 to be formed by outside torsion, and is headed into plus block piece 40 in outside the position-arresting disk 22
Periphery wherein 221 block of a limiting slot, and can support the rotating member 20 that there is bigger rotation torsion to export.
As shown in fig. 6, since the operation of block piece 40 of the present invention is by lever 10 towards a position-arresting disk 22 wherein limiting slot 221
Notch direction sliding, and two miter 2212 can guide block piece 40 enter limiting slot 221, effectively improve operational smooth
Spend and use upper convenience.And the present invention is combined with sliding set of the concave-convex fit structure between block piece 40 and 31 surface of movable cover,
And structure is simplified towards the notch direction of rotating member 20 22 limiting slot 221 of position-arresting disk sliding block limit by lever 10, have
It imitates simplified structure group and is filled with shortening time cost, the multiple economic benefit for having both reduction part stock cost is reached.
In addition, second of embodiment of the invention please refers to shown in Fig. 7 to Figure 11；The ratchet spanner 100 includes a lever 10
And the actuation head 11 positioned at 10 one end of lever, the actuation head 11 have one group of apertured 12 and are connected to an accommodating of this group of apertured 12
Slot 13,11 groups of the actuation head are equipped with the rotating member 20 being located in group apertured 12 and accommodation groove 13, a ratchet commutation group 30, and
The ratchet commutation group 30 is supported to improve a block piece 40 of torsion output.
The rotating member 20 has a ratchet bulge loop 21 and a defining flange 23, which is set to outside rotating member 20
Side and be located in this group of apertured 12, the defining flange 23 set on ratchet bulge loop .21 one end and protrude from this group of apertured 12,
And the defining flange 23 has the several fixing slots 231 for being located on outer peripheral edge.
The ratchet commutation group 30 has the fixed lid 32 of a movable cover 31 one of the lid group in this group of 12 both ends of apertured, and being located at should
A commutating tooth block 33, a moving part 34 and a helical spring 35 between movable cover 31, fixed lid 32, and 35 liang of the helical spring
Hold between contact commutating tooth block 33 and moving part 34, which is engaged with the ratchet bulge loop 21,31 sets of groups of the movable cover in
Rotating member 20 and the side for being located at ratchet bulge loop 21,32 sets of groups of the fixation lid are in rotating member 20 and are located at 21 other side of ratchet bulge loop
Between the defining flange 23, and the movable cover 31 is equipped with the driving lever 313 for protruding into accommodation groove 13, which stirs moving part
34 and drive commutating tooth block 33 change be engaged the ratchet bulge loop 21 driving direction.
The block piece 40 is set with concave-convex fit structure cunning with fixed 32 surface of lid in the outside of group apertured 12 and is combined, the block piece 40 by
Lever 10 slides towards 23 direction of defining flange, and 40 one end of block piece heads into the wherein card in 23 outer peripheral edge of the defining flange
Gu 231 block of slot limits, to support the rotating member 20 that there is bigger rotation torsion to export.
Above-mentioned second of embodiment is as shown in Figure 7 to 10, which has the allocating slot 341 towards movable cover 31,
313 insert group of driving lever is in allocating slot 341 and stirs the deflection of moving part 34, and the corresponding moving part 34 of the helical spring 35 deflects and pushing tow changes
To 33 beat of tooth block to change the driving direction that switching is engaged the ratchet bulge loop 21.In addition, the block piece 40 and fixed 32 table of lid
Concave-convex fit structure between face is as shown in Figure 2 and Figure 3, sets a second sliding slot 321 in fixed lid 32 and is matched with the block piece 40 and sets
One sliding block 41；And the fixation lid 32 has one second sets of holes 322 of set group rotating member 20, and one end of the second sliding slot 321 connects
Lead to second sets of holes 322, the sliding block 41 of the block piece 40 is by the sliding group in the one end for being connected to second sets of holes 322 in the second sliding slot 321.
Accordingly；As shown in figure 11, by sliding group in the block piece 40 of the second sliding slot 321 of fixed lid 32, by lever 10 towards the limit convex
Edge 23 wherein a fixing slot 231 notch direction sliding, head into one end of the block piece 40 in 23 outer peripheral edge of the defining flange
Wherein 231 block of a fixing slot limits, and equally can also support the rotating member 20 that there is bigger rotation torsion to export.
Moreover, separately including block face 2311 always and two miters by several fixing slots 231 of the defining flange 23
2312, two miter 2312 and straight block face 2311 connect and compose the expansion notch of the fixing slot 231, and the straight block face 2311 with
Arc angle 2313 in avoid stress from concentrating two is set as between two miters 2312；There are six the block pieces of the cuboid in face for cooperation tool
40, there is second-speculation's arc angle 42 of arc angle 2313 in corresponding two in one end towards defining flange 23；Two mitered can be passed through accordingly
Face 2312 guides, and so that second-speculation's arc angle 42 of 40 one end of block piece is entered fixing slot 231 along two miters 2312 and abuts against this in two
Arc angle 2313, and second-speculation's arc angle 42 that arc angle 2313 provides 40 one end of block piece in two whereby abuts against, and effectively avoids because answering
Power concentration is formed by rupture, can improve and frequently abut against operational durable usability.
The present invention to be as described above to slide group in movable cover 31 or the block piece 40 of fixed lid 32, and by lever 10 towards rotating member
20 position-arresting disks 22 or the structure of the sliding of 23 direction of defining flange and block limit, can break through current ratchet spanner really and improve torsion
The predicament and disadvantage faced in the technology development of power, and reach following advantages:
1, have by the fixing slot 231 of several limiting slots 221 of the position-arresting disk 22 or defining flange 23 and be greater than block piece 40
Notch, can be formed guiding block piece 40 enter limiting slot 221, fixing slot 231 effect, effectively improve operational smooth degree and
Use upper convenience.
2, structure further is simplified by less component, effectively simplifies structure group and be filled with shortening time cost, has both drop
The multiple economic benefit of low part stock cost is reached.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all
It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within
In the range of technical solution of the present invention.
Claims (6)
1. a kind of ratchet spanner that torsion can be improved characterized by comprising
One lever and an actuation head positioned at lever one end, the actuation head have one group of apertured and are connected to an accommodating of this group of apertured
Slot, and the actuation head group is equipped with the rotating member being located in group apertured and accommodation groove, a ratchet commutation group, and supports the ratchet
Commutation group improves a block piece of torsion output；
The rotating member has a ratchet bulge loop and a position-arresting disk, which is set to rotating member peripheral side and is located at the group and set
In hole, which is set to one end of rotating member and protrudes from this group of apertured, and the position-arresting disk has the number for being located on outer peripheral edge
A limiting slot；
The ratchet commutation group has the fixed lid of a movable cover one of the lid group in this group of apertured both ends, and is located at the movable cover, fixed lid
Between a commutating tooth block, a moving part and a helical spring, and the helical spring both ends contact commutating tooth block and moving part
Between, which is engaged with the ratchet bulge loop, which, should in rotating member and positioned at the side of the ratchet bulge loop
Movable cover set group is in rotating member and between the ratchet bulge loop other side and the position-arresting disk, and the movable cover is equipped with and protrudes into the one of accommodation groove
Driving lever, the driving lever drive the actuation of moving part, commutating tooth block to change the driving direction for being engaged the ratchet bulge loop；
The block piece is set with concave-convex fit structure cunning with movable cover surface on the outside of group apertured and is combined, and the block piece is by lever towards the position-arresting disk
Direction sliding, and the block piece one end heads into the wherein limiting slot block limit in the position-arresting disk outer peripheral edge, to support this turn
There is moving part bigger rotation torsion to export.
2. the ratchet spanner according to claim 1 that torsion can be improved, which is characterized in that several limits of the position-arresting disk
Slot separately includes block face always and two miters, which connects and composes the expansion notch of the limiting slot with straight block face, and
Arc angle in avoid stress from concentrating two is set as between the straight block face and two miters, which is the cuboid having there are six face,
And the block piece has second-speculation's arc angle of arc angle in corresponding two towards one end of position-arresting disk, second-speculation's arc angle of the block piece one end is oblique along two
Junction enters limiting slot and abuts against the arc angle in two.
3. the ratchet spanner according to claim 1 that torsion can be improved, which is characterized in that there is the moving part direction to dial
One allocating slot of lid, the driving lever insert group is in allocating slot and stirs moving part deflection, which corresponds to moving part deflection and pushing tow changes
To tooth block beat to change the driving direction that switching is engaged the ratchet bulge loop.
4. a kind of ratchet spanner that torsion can be improved characterized by comprising
One lever and an actuation head positioned at lever one end, the actuation head have one group of apertured and are connected to an accommodating of this group of apertured
Slot, and the actuation head group is equipped with a block piece and the rotating member in group apertured and accommodation groove, a ratchet commutation group；
The rotating member has a ratchet bulge loop and a defining flange, which is set to rotating member peripheral side and is located at the group
In apertured, the defining flange be set to the ratchet bulge loop side and protrude from this group of apertured, and the defining flange have be located on
Several fixing slots of outer peripheral edge；
The ratchet commutation group has the fixed lid of a movable cover one of the lid group in this group of apertured both ends, and is located at the movable cover, fixed lid
Between a commutating tooth block, a moving part and a helical spring, and the helical spring both ends contact commutating tooth block and moving part
Between, which is engaged with the ratchet bulge loop, and in rotating member and positioned at the side of ratchet bulge loop, this is fixed the movable cover set group
Lid set group is in rotating member and between the ratchet bulge loop other side and the defining flange, and the movable cover is equipped with and protrudes into the one of accommodation groove
Driving lever, the driving lever stir moving part and commutating tooth block are driven to change the driving direction for being engaged the ratchet bulge loop；
The block piece is set with concave-convex fit structure cunning with fixed cap surface on the outside of group apertured and is combined, and the block piece mountain lever is towards the limit
The sliding of flange direction, and the block piece one end heads into the wherein fixing slot block limit in the defining flange outer peripheral edge, to prop up
Supportting the rotating member, there is bigger rotation torsion to export.
5. the ratchet spanner according to claim 4 that torsion can be improved, which is characterized in that several cards of the defining flange
Gu slot separately includes block face always and two miters, which connects and composes the expansion notch of the fixing slot with straight block face,
And arc angle in avoid stress from concentrating two is set as between the straight block face and two miters, which is that there are six the rectangles in face for tool
Body, and the block piece has second-speculation's arc angle of arc angle in corresponding two, second-speculation's arc angle of the block piece one end towards one end of defining flange
Enter fixing slot along two miters and abuts against the arc angle in two.
6. the ratchet spanner according to claim 4 that torsion can be improved, which is characterized in that there is the moving part direction to dial
One allocating slot of lid, the driving lever insert group is in allocating slot and stirs moving part deflection, which corresponds to moving part deflection and pushing tow changes
To tooth block beat to change the driving direction that switching is engaged the ratchet bulge loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963705.7A CN109664229A (en) | 2017-10-17 | 2017-10-17 | The ratchet spanner of torsion can be improved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963705.7A CN109664229A (en) | 2017-10-17 | 2017-10-17 | The ratchet spanner of torsion can be improved |
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| CN109664229A true CN109664229A (en) | 2019-04-23 |
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| CN201710963705.7A Pending CN109664229A (en) | 2017-10-17 | 2017-10-17 | The ratchet spanner of torsion can be improved |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115866U (en) * | 1992-03-04 | 1992-09-16 | 圣岱实业股份有限公司 | Improved structure ratchet type wrench stop |
| CN1450947A (en) * | 1999-12-21 | 2003-10-22 | 手动工具设计有限公司 | Top load ratchet wrench |
| CN101905451A (en) * | 2009-06-05 | 2010-12-08 | 巨琩有限公司 | Replacement structure of ratchet wrench |
| CN201881325U (en) * | 2010-11-16 | 2011-06-29 | 王耀鸿 | Limiting device for ratchet wrench |
| CN203045587U (en) * | 2012-12-28 | 2013-07-10 | 杨文宏 | Ratchet wrench rapidly replacing tool head |
| CN203696868U (en) * | 2014-02-13 | 2014-07-09 | 王又民 | Ratchet wrench braking structure |
| CN203804858U (en) * | 2013-08-30 | 2014-09-03 | 志拓有限公司 | Reversing ratchet wrench |
| DE102015007406A1 (en) * | 2015-06-08 | 2016-12-08 | Yeo Ming Wang | Locking structure of a quick-release wrench |
-
2017
- 2017-10-17 CN CN201710963705.7A patent/CN109664229A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115866U (en) * | 1992-03-04 | 1992-09-16 | 圣岱实业股份有限公司 | Improved structure ratchet type wrench stop |
| CN1450947A (en) * | 1999-12-21 | 2003-10-22 | 手动工具设计有限公司 | Top load ratchet wrench |
| CN101905451A (en) * | 2009-06-05 | 2010-12-08 | 巨琩有限公司 | Replacement structure of ratchet wrench |
| CN201881325U (en) * | 2010-11-16 | 2011-06-29 | 王耀鸿 | Limiting device for ratchet wrench |
| CN203045587U (en) * | 2012-12-28 | 2013-07-10 | 杨文宏 | Ratchet wrench rapidly replacing tool head |
| CN203804858U (en) * | 2013-08-30 | 2014-09-03 | 志拓有限公司 | Reversing ratchet wrench |
| CN203696868U (en) * | 2014-02-13 | 2014-07-09 | 王又民 | Ratchet wrench braking structure |
| DE102015007406A1 (en) * | 2015-06-08 | 2016-12-08 | Yeo Ming Wang | Locking structure of a quick-release wrench |
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