CN104802115A - Ratchet spanner - Google Patents
Ratchet spanner Download PDFInfo
- Publication number
- CN104802115A CN104802115A CN201410033682.6A CN201410033682A CN104802115A CN 104802115 A CN104802115 A CN 104802115A CN 201410033682 A CN201410033682 A CN 201410033682A CN 104802115 A CN104802115 A CN 104802115A
- Authority
- CN
- China
- Prior art keywords
- jaw
- ratchet wrench
- chute
- appearance hole
- fixed jaw
- 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.)
- Pending
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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
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
- B25B13/14—Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear
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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
- B25B13/58—Jaw attachments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention provides a ratchet spanner comprising a grip handle, a head portion, a movable jaw and a bias pressing device. The head portion is formed on one end of the grip handle and comprises at least one fixed jaw, a sliding chute and a containing hole, wherein the sliding chute is communicated with the containing hole. The movable jaw comprises a clamping portion, a connecting portion and a containing groove. The connecting portion is arranged on one end of the clamping portion far away from the fixed jaw and is slidingly arranged inside the sliding chute. The containing groove is arranged in the connecting portion and is communicated with the containing hole. The bias pressing device comprises a limiting element and a bias pressing element. The limiting element is connected with the containing hole. The bias pressing element is contained in the containing hole and the containing groove. Two opposite ends of the bias pressing element respectively press against the limiting element and the containing groove.
Description
Technical field
The present invention relates to a kind of spanner, espespecially a kind of spanner with ratcheting function.
Background technology
Spanner be a kind of utilize lever principle rotating bolt, nut and other be difficult to the hand-held tool of securing member that rotates with hand.Spanner is provided with opening with clamping fastener in the either end of lever or two ends usually, and user applies external force and rotatable securing member in the lever other end along direction of rotation.Spanner has considerable type, wherein a class is monkey wrench, and the frequency of utilization of monkey wrench is quite high, because it freely can adjust openings of sizes to be suitable for the securing member of clamping sizes, and various openings spanner must do not used instead according to the securing member of different size, for the user, only need monkey wrench to support the open-end wrench replacing branched single size, and then bring greatest convenience and applicability.
Generally there is the spanner of ratcheting function, as U.S. Patent number No. 8136429 " REVERSIBLEMONKEY WRENCH " Patent Case, it comprises a lever (handle), a head (head), slip jaw (slidable jaw), an axostylus axostyle (axial rod) and a worm gear (worm gear), and head is formed at one end of lever and comprises a fixed jaw (fixed jaw), a sliding rail (slidingrail) and a tank (receiving slot).This lever has a link (connecting end), this link has job abutment face (working abutting face) and an idle abutment face (idleabutting face), a removable pin (movable pin) is arranged between this head and this link, a sliding bar (sliding rod) of slip jaw is slidedly arranged on this sliding rail, axle worm and wheel is placed in this tank, and worm gear can control this fixed jaw slippage relative of slip jaw with the mutual clip of sliding bar, the opening size formed between adjustment slip jaw like this and fixed jaw is to clamp the securing member of sizes.
When above-mentioned spanner is towards when rotating clockwise, this work abutment face against this head, and promotes this removable pin upwards.Therefore, a plane (plane surface) of this removable pin is against the abutment end (abutting end) of this worm gear.Therefore this slip jaw and this fixed jaw can securely clamp and rotate hexagonal (hexagon)nut.When above-mentioned spanner oppositely rotates, this work abutment face departs from this head, and on the other hand, this idle abutment face is against this head.This lever relatively this head rotation angle, this removable pin is pushed down due to second spring (second spring), and allows the plane of this removable pin to depart from the abutment end of this worm gear.Meanwhile, this nut gives this slip jaw a horizontal component, and it is greater than the elastic force that the 3rd spring (third spring) provides, and this slip jaw is with the slip of this worm gear and away from this fixed jaw to reach the function of spine move.
But above-mentioned spanner arranges many components to reach the function of spine move, structure too complexity causes assembling complicated, improves manufacturing cost.Moreover, owing to only using a connection shaft (joint axle) pivot joint between this lever and head, cause the structural strength of spanner too low, and be not enough to the twisting resistance bearing rotating screw cap.
Because the problem in above-mentioned traditional design cannot solve and overcome effectively, therefore the applicant proposes present patent application, to solve problem point.
Summary of the invention
The present invention be for the technical problem solved: traditional ratchet wrench complex structure and intensity are not enough to bear the twisting resistance rotating securing member.
For this reason, a kind of ratchet wrench provided by the present invention, it includes:
A lever;
A head, its be formed at one end of this lever and comprise at least one fixed jaw, a chute and one holds hole, this chute is communicated with this appearance hole, and this chute extends along a first axle, this appearance hole is along second Axis Extension, and between this first axle and this second axis, shape in an angle;
A movable jaw, it comprises a clamping part, a connecting portion and a tank, this clamping part is in the face of this fixed jaw, and this connecting portion is arranged at this clamping part away from one end of this fixed jaw and is slidably disposed in this chute, and this tank is arranged at this connecting portion and is communicated with this appearance hole;
A biasing device, it comprises a limited part and a bias piece, and this limited part is connected to this appearance hole, and this bias piece is placed in this appearance hole and this tank, and the contrary two ends of this bias piece are respectively against this limited part and this tank.
In one embodiment of the present of invention, this ratchet wrench is a monkey wrench, this head also comprises a clamping groove and a mobile jaw, this moves jaw and is slidably disposed in this clamping groove and can moves relative to this fixed jaw, this chute extends to form along this first axle and moves jaw in this, and this appearance hole is formed at this along this second Axis Extension and moves jaw.
This ratchet wrench also comprises an adjusting device, this head also comprise a blocking part and one wear groove, this blocking part is formed at this and moves jaw in contrast to one end of this chute and be slidably disposed in this clamping groove, this is worn groove and is communicated with this clamping groove, and this adjusting device is arranged at this and wears groove and clip mutual with this blocking part.
Adjusting device comprises a worm gear and a rod member, and this worm gear is arranged at this rotationally and wears groove and intermesh with this blocking part, and this rod member is arranged in this worm gear and is connected to this wears groove.
In another embodiment of the present invention, this ratchet wrench is an open-end wrench, and this head comprises two fixed jaws, this chute and this appearance hole respectively along this first axle and this second Axis Extension be formed at this two fixed jaw one of them.
In above-mentioned any embodiment, this angle is less than 45 degree.
In above-mentioned any embodiment, the inner peripheral in this appearance hole arranges first threaded portion, and the outer peripheral edge of this limited part arranges second threaded portion, and this first threaded portion and this second threaded portion are connected to each other.
In above-mentioned any embodiment, this limited part also comprises an extension, and this bias piece is coil spring, and the extension of this limited part is extended through this bias piece.
In above-mentioned any embodiment, this fixed jaw has first flank of tooth, and this clamping part has second flank of tooth, and this first flank of tooth and this second flank of tooth face one another.
In one embodiment of the invention, this moves jaw and comprises first connected section and second connected section, this first connected section has first thickness, and this second connected section this blocking part contiguous also has second thickness, and this second thickness is greater than this first thickness.
Major technique effect of the present invention is: structure simply and easily assemble, reduces manufacturing cost significantly and provides effect of spine move.
Secondary technology effect of the present invention is: when this securing member is held between first flank of tooth of this fixed jaw and second flank of tooth of this clamping part, and user grips this lever pulls this securing member along a driving direction, this securing member gives clamping part horizontal component of this movable jaw, this movable jaw is positioned this chute and not slippage, makes this securing member be subject to this ratchet wrench and drives.This securing member is pulled along a release direction in contrast to driving direction when user grips this lever, this movable jaw relative to this chute along this first axle slippage, the bias piece of this biasing device is caused to be subject to the bottom of this tank and this limited part compresses, make this securing member cannot be subject to this ratchet wrench to drive, so reach effect of spine move.
Another technology effect of the present invention is: this chute extends to form along this first axle and moves the end face of jaw in the face of this fixed jaw in this, this appearance hole is formed at along this second Axis Extension the arcuation end face that this moves jaw, this angle is formed between this first axle and this second axis, or, this chute and this appearance hole respectively along this first axle and this second Axis Extension be formed at this two fixed jaw one of them, this angle is formed between this first axle and this second axis, certain distance is separated out and not parallel to each other between making between this appearance hole and this chute, so, this moves jaw or this two fixed jaw, and one of them can have higher structural strength.
Another technology effect of the present invention is: this tank is formed at the connecting portion of this movable jaw and is communicated with the appearance hole of this head, and so, this tank does not need the two ends of this movable jaw through, makes this movable jaw can have higher structural strength.
Technology effect more of the present invention is: this moves jaw and comprises first connected section and second connected section, this first connected section and this second connected section are integrally formed along this length direction, this first connected section has first thickness, this second connected section this blocking part contiguous also has second thickness, and this second thickness is greater than this first thickness.So, improve the structural strength that this moves jaw, and the twisting resistance rotating securing member can be born.
Other objects, advantage and novel characteristics of the present invention will be more obvious from the following detailed description and related drawings.
Accompanying drawing explanation
Fig. 1 is the sectional perspective outside drawing of ratchet wrench first embodiment of the present invention;
Fig. 2 is the three-dimensional exploded view of Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is the sectional view got along 4-4 face line in Fig. 3;
Fig. 5 is the sectional view got along 5-5 face line in Fig. 4;
Fig. 6 is the sectional view got along 6-6 face line in Fig. 4;
Fig. 7 is the use schematic diagram of ratchet wrench first embodiment of the present invention, represents that this ratchet wrench pulls securing member along a driving direction;
Fig. 8 is another use schematic diagram of ratchet wrench first embodiment of the present invention, represents that this ratchet wrench pulls securing member along a release direction;
Fig. 9 is the sectional perspective outside drawing of ratchet wrench second embodiment of the present invention;
Figure 10 is the sectional view of Fig. 9;
Figure 11 is the side view of ratchet wrench of the present invention 3rd embodiment.
Description of reference numerals: 1-ratchet wrench; 10-lever; 20-head; 21-fixed jaw; 211-first flank of tooth; 22-chute; 23-holds hole; 231-first threaded portion; 24-clamping groove; 25-moves jaw; 251-first connected section; 252-second connected section; 26-blocking part; 27-wears groove; 30-movable jaw; 31-clamping part; 311-second flank of tooth; 32-connecting portion; 33-tank; 40-biasing device; 41-limited part; 411-second threaded portion; 412-extension; 42-bias piece; 50-adjusting device; 51-worm gear; 52-rod member; 1a-ratchet wrench; 10a-lever; 20a-head; 21a-fixed jaw; 211a-first flank of tooth; 22a-chute; 23a-holds hole; 231a-first threaded portion; 30a-movable jaw; 31a-clamping part; 311a-second flank of tooth; 32a-connecting portion; 33a-tank; 40a-biasing device; 41a-limited part; 411a-second threaded portion; 412a-extension; 42a-bias piece; A1-first axle; A2-second axis; T1-first thickness; T2-second thickness; α-angle.
Detailed description of the invention
Relevant the technology used in the present invention, means and effect thereof, hereby lift three preferred embodiments and coordinate graphic detailed description as after, this is only for instructions, not by the restriction of this kind of structure in patent application.
Please refer to Fig. 1 to Fig. 6, it is the sectional perspective outside drawing of ratchet wrench 1 first embodiment of the present invention, partial exploded view, side view and sectional view.Ratchet wrench 1 first embodiment of the present invention is monkey wrench, and it comprises a lever 10, head 20, movable jaw 30, biasing device 40 and an adjusting device 50.
This lever 10 can grip for a user.
This head 20 is formed at arbitrary end of this lever 10 along a length direction, and this head 20 comprises at least one fixed jaw 21, chute 22, and holds 23, one, hole clamping groove 24, mobile jaw, 25, blocking part 26 and one and wear groove 27.In the present embodiment, this head 20 has a fixed jaw 21, and this fixed jaw 21 has first flank of tooth 211, this chute 22 is communicated with this appearance hole 23, the inner peripheral in this appearance hole 23 arranges first threaded portion 231, this clamping groove 24 is formed at this head 20 along a width, this width this length direction vertical, this moves jaw 25 and to be slidably disposed in this clamping groove 24 and can to move relative to this fixed jaw 21, this chute 22 extends to form along a first axle A1 and moves the end face of jaw 25 in the face of this fixed jaw 21 in this, this appearance hole 23 extends to form along a second axis A2 and moves an arcuation end face of jaw 25 in this, shape α in an angle between this first axle A1 and this second axis A2, this angle α is less than 45 degree, more preferably, this angle α is less than 30 degree.This blocking part 26 is formed at this and moves jaw 25 in contrast to one end of this chute 22 and be slidably disposed in this clamping groove 24, and this is worn groove 27 and is communicated with this clamping groove 24, and this wears the dual-side of groove 27 this head 20 through.
This movable jaw 30 comprises a clamping part 31, connecting portion 32 and a tank 33, this clamping part 31 is in the face of the fixed jaw 21 of this head 20, this clamping part 31 has second flank of tooth 311, this second flank of tooth 311 faces one another with first flank of tooth 211 of this fixed jaw 21, so when a securing member (being represented by dotted lines in Fig. 4) is held between first flank of tooth 211 of this fixed jaw 21 and second flank of tooth 311 of this clamping part 31, the frictional force between this securing member and this fixed jaw 21 and this clamping part 31 can be increased and improve the efficiency of rotating securing member.This connecting portion 32 to be formed at this clamping part 31 and to be slidably disposed in the chute 22 of this head 20 away from an end face of this fixed jaw 21 along this first axle A1, more preferably, this connecting portion 32 has the cross section of a sub-circular, this tank 33 is formed at this connecting portion 32 and is communicated with the appearance hole 23 of this head 20, more preferably, this tank 33 and this appearance hole 23 in correspondence with each other and be communicated with and jointly formed one to have along this first axle A1 get the elongated hole of circular cross-section.
This biasing device 40 comprises a limited part 41 and a bias piece 42, this limited part 41 is connected to the appearance hole 23 of this head 20, this bias piece 42 is placed in this appearance hole 23 and this tank 33, and the contrary two ends of this bias piece 42 are respectively against the bottom of this limited part 41 with this tank 33.The outer peripheral edge of this limited part 41 arranges second threaded portion 411, and first threaded portion 231 in this appearance hole 23 is connected to each other with this second threaded portion 411.This limited part 41 more comprises an extension 412, and it extends to form along this second axis A2, and in the present embodiment, this bias piece 42 is coil spring, and the extension 412 of this limited part 41 is extended through this bias piece 42.
This adjusting device 50 be arranged at wearing in groove 27 of this head 20 and with this blocking part 26 clip mutually.This adjusting device 50 comprises a worm gear 51 and a rod member 52, this worm gear 51 is arranged at this rotationally and wears groove 27 and intermesh with this blocking part 26, so, rotate this worm gear 51 this namely can be driven to move jaw 25 move relative to this fixed jaw 21 in this clamping groove 24, and the distance adjusted between this fixed jaw 21 and this clamping part 31, make this ratchet wrench 1 have the function of monkey wrench to meet the securing member of multiple different size.This rod member 52 is arranged in this worm gear 51 and is connected to the internal face that this wears groove 27.
Referring to Fig. 7 and Fig. 8, it is the use schematic diagram of ratchet wrench 1 first embodiment of the present invention.When two opposing grasping face of this securing member are held between first flank of tooth 211 of this fixed jaw 21 and second flank of tooth 311 of this clamping part 31 respectively, and user grips this lever 10 pulls this securing member along a driving direction, this securing member gives clamping part 31 1 horizontal components of this movable jaw 30, this movable jaw 30 is positioned this chute 22 and not slippage, makes this securing member be subject to this ratchet wrench 1 and drives.
This securing member is pulled along a release direction in contrast to driving direction when user grips this lever 10, this movable jaw 30 relative to this chute 22 along this first axle A1 slippage, the bias piece 42 of this biasing device 40 is caused to be elastically compressed between the bottom of this tank 33 and this limited part 41, make this securing member cannot be subject to this ratchet wrench 1 to drive, so reach effect of spine move.
Please refer to Fig. 9 and Figure 10, it is sectional perspective outside drawing and the sectional view of ratchet wrench 1a second embodiment of the present invention.Ratchet wrench 1a second embodiment of the present invention is open-end wrench, and it comprises a lever 10a, head 20a, a movable jaw 30a and biasing device 40a.
This lever 10a can grip for a user.
This head 20a is formed at arbitrary end of this lever 10a along a length direction, this head 20a comprise at least one fixed jaw 21a, one chute 22a and hold hole 23a.In the present embodiment, this head 20a comprises two fixed jaw 21a, this chute 22a is communicated with this appearance hole 23a, this chute 22a and this appearance hole 23a respectively along an a first axle A1 and second axis A2 extend to form in this two fixed jaw 21a one of them, shape α in an angle between this first axle A1 and this second axis A2, this angle α is less than 45 degree, and more preferably, this angle α is less than 30 degree.This another fixed jaw 21a has first flank of tooth 211a, and the inner peripheral of this appearance hole 23a arranges a first threaded portion 231a.
This movable jaw 30a comprises a clamping part 31a, a connecting portion 32a and tank 33a, this clamping part 31a is in the face of the fixed jaw 21a of this head 20a, this clamping part 31a has second flank of tooth 311a, first flank of tooth 211a of this second flank of tooth 311a and this fixed jaw 21a faces one another, so when a securing member (being represented by dotted lines in Fig. 8) is held between first flank of tooth 211a of this fixed jaw 21a and second flank of tooth 311a of this clamping part 31a, the frictional force between this securing member and this fixed jaw 21a and this clamping part 31a can be increased and improve the efficiency of rotating securing member.This connecting portion 32a to be formed at this clamping part 31a and to be slidably disposed in the chute 22a of this head 20a away from an end face of this fixed jaw 21a along this first axle A1, more preferably, this connecting portion 32a has the cross section of a sub-circular, this tank 33a is formed at this connecting portion 32a and is communicated with the appearance hole 23a of this head 20a, more preferably, this tank 33a and this appearance hole 23a in correspondence with each other and be communicated with and jointly formed one to have along this first axle A1 get the elongated hole of circular cross-section.
This biasing device 40a comprises an a limited part 41a and bias piece 42a, this limited part 41a is connected to the appearance hole 23a of this head 20a, this bias piece 42a is placed in this appearance hole 23a two ends contrary with this tank 33a, this bias piece 42a respectively against a bottom of this limited part 41a and this tank 33a.The outer peripheral edge of this limited part 41a arranges a second threaded portion 411a, and the first threaded portion 231a and this second threaded portion 411a of this appearance hole 23a are connected to each other.This limited part 41a more comprises an extension 412a, and it extends to form along this second axis A2, and in the present embodiment, this bias piece 42a is coil spring, and the extension 412a of this limited part 41a is extended through this bias piece 42a.
Please refer to Figure 11, it is the partial view of ratchet wrench of the present invention 3rd embodiment.Ratchet wrench of the present invention 3rd embodiment is identical with the first embodiment haply, its difference is only that this moves jaw 25 and comprises first connected section 251 and second connected section 252, this first connected section 251 is integrally formed along this length direction with this second connected section 252, this first connected section 251 has a first thickness T1, this second connected section 252 this blocking part 26 contiguous also has a second thickness T2, and this second thickness T2 is greater than this first thickness T1.So, improve the structural strength that this moves jaw 25, and the twisting resistance rotating securing member can be born.
In sum, ratchet wrench 1 of the present invention, 1a have the following advantages:
1. the structure of ratchet wrench 1 of the present invention, 1a simply and easily assemble, and reduces manufacturing cost significantly and provide effect of spine move.
2. when this securing member is held between first flank of tooth 211 of this fixed jaw 21 and second flank of tooth 311 of this clamping part 31, and user grips this lever 10 pulls this securing member along a driving direction, this securing member gives clamping part 31 1 horizontal components of this movable jaw 30, this movable jaw 30 is positioned this chute 22 and not slippage, makes this securing member be subject to this ratchet wrench 1 and drives.This securing member is pulled along a release direction in contrast to driving direction when user grips this lever 10, this movable jaw 30 relative to this chute 22 along this first axle A1 slippage, the bias piece 42 of this biasing device 40 is caused to be subject to the bottom of this tank 33 and this limited part 41 compresses, make this securing member cannot be subject to this ratchet wrench 1 to drive, so reach effect of spine move.
3. in one embodiment of the invention, this chute 22 extends to form along this first axle A1 and moves the end face of jaw 25 in the face of this fixed jaw 21 in this, this appearance hole 23 extends to form along this second axis A2 and moves an arcuation end face of jaw 25 in this, this angle α is formed between this first axle A1 and this second axis A2, and in another embodiment of the present invention, this chute 22a and this appearance hole 23a respectively along this first axle A1 and this second axis A2 extend to form in this two fixed jaw 21a one of them, this angle α is formed between this first axle A1 and this second axis A2, make this appearance hole 23, 23a and this chute 22, certain distance is separated out and not parallel to each other between 22a, so, this moves jaw 25 or this two fixed jaw 21a, and one of them can have higher structural strength.
4. this tank 33,33a are formed at this movable jaw 30, the connecting portion 32 of 30a, 32a being communicated with this head 20, the appearance hole 23 of 20a, 23a, so, this tank 33,33a do not need the two ends of this movable jaw 30 through, 30a, make this movable jaw 30,30a can have higher structural strength.
5. this moves jaw 25 and comprises first connected section 251 and second connected section 252, this first connected section 251 is integrally formed along this length direction with this second connected section 252, this first connected section 251 has a first thickness T1, this second connected section 252 this blocking part 26 contiguous also has a second thickness T2, and this second thickness T2 is greater than this first thickness T1.So, improve the structural strength that this moves jaw 25, and the twisting resistance rotating securing member can be born.
More than illustrate just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skill in the art understand, when not departing from the spirit and scope that claim limits; many amendments, change or equivalence can be made, but all will fall within protection scope of the present invention.
Claims (10)
1. a ratchet wrench, is characterized in that, it includes:
A lever;
A head, its be formed at one end of this lever and comprise at least one fixed jaw, a chute and one holds hole, this chute is communicated with this appearance hole, and this chute extends along a first axle, this appearance hole is along second Axis Extension, and between this first axle and this second axis, shape in an angle;
A movable jaw, it comprises a clamping part, a connecting portion and a tank, this clamping part is in the face of this fixed jaw, and this connecting portion is arranged at this clamping part away from one end of this fixed jaw and is slidably disposed in this chute, and this tank is arranged at this connecting portion and is communicated with this appearance hole; And
A biasing device, it comprises a limited part and a bias piece, and this limited part is connected to this appearance hole, and this bias piece is placed in this appearance hole and this tank, and the contrary two ends of this bias piece are respectively against this limited part and this tank.
2. ratchet wrench as claimed in claim 1, it is characterized in that: this head also comprises a clamping groove and a mobile jaw, this moves jaw and is slidably disposed in this clamping groove and can moves relative to this fixed jaw, this chute extends to form along this first axle and moves jaw in this, and this appearance hole is formed at this along this second Axis Extension and moves jaw.
3. ratchet wrench as claimed in claim 2, it is characterized in that: also comprise an adjusting device, this head also comprise a blocking part and one wear groove, this blocking part is formed at this and moves jaw in contrast to one end of this chute and be slidably disposed in this clamping groove, this is worn groove and is communicated with this clamping groove, and this adjusting device is arranged at this and wears groove and clip mutual with this blocking part.
4. ratchet wrench as claimed in claim 3, it is characterized in that: this adjusting device comprises a worm gear and a rod member, and this worm gear is arranged at this rotationally and wears groove and intermesh with this blocking part, this rod member is arranged in this worm gear and is connected to this wears groove.
5. ratchet wrench as claimed in claim 1, is characterized in that: this head comprises two fixed jaws, this chute and this appearance hole respectively along this first axle and this second Axis Extension be formed at this two fixed jaw one of them.
6. the ratchet wrench as described in claim 2 or 5, is characterized in that: this angle is less than 45 degree.
7. the ratchet wrench according to any one of claim 1 to 5, is characterized in that: the inner peripheral in this appearance hole arranges first threaded portion, and the outer peripheral edge of this limited part arranges second threaded portion, and this first threaded portion and this second threaded portion are connected to each other.
8. the ratchet wrench according to any one of claim 1 to 5, is characterized in that: this limited part also comprises an extension, and this bias piece is coil spring, and the extension of this limited part is extended through this bias piece.
9. the ratchet wrench according to any one of claim 1 to 5, is characterized in that: this fixed jaw has first flank of tooth, and this clamping part has second flank of tooth, and this first flank of tooth and this second flank of tooth face one another.
10. the ratchet wrench according to any one of claim 2 to 4, it is characterized in that: this moves jaw and comprises first connected section and second connected section, this first connected section has first thickness, this second connected section this blocking part contiguous also has second thickness, and this second thickness is greater than this first thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410033682.6A CN104802115A (en) | 2014-01-23 | 2014-01-23 | Ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410033682.6A CN104802115A (en) | 2014-01-23 | 2014-01-23 | Ratchet spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104802115A true CN104802115A (en) | 2015-07-29 |
Family
ID=53687521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410033682.6A Pending CN104802115A (en) | 2014-01-23 | 2014-01-23 | Ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104802115A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328613A (en) * | 2014-08-13 | 2016-02-17 | 志拓有限公司 | Wrench with ratcheting effect |
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| US3901106A (en) * | 1973-03-09 | 1975-08-26 | Burnice J Causey | Open-end ratchet wrench |
| CN2584358Y (en) * | 2002-11-05 | 2003-11-05 | 淄博文祺实业有限公司 | Single-wedge type wrench |
| KR100719228B1 (en) * | 2006-07-12 | 2007-05-18 | (주)월드비젼 | Auto spanner |
| CN2908047Y (en) * | 2006-05-08 | 2007-06-06 | 鲁宏 | Single wedge type spanner, wrench |
| CN101422886A (en) * | 2007-11-01 | 2009-05-06 | 史丹利七和国际股份有限公司 | Ratchet coeswrench |
| DE102011054555A1 (en) * | 2011-10-17 | 2013-04-18 | Chin-Shun Cheng | Wrench for use with ratchet function, has pressure surface that is formed in form of spherical surface at end of sliding piece, where siding piece protrudes pressure surface from jaw surface |
-
2014
- 2014-01-23 CN CN201410033682.6A patent/CN104802115A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3901106A (en) * | 1973-03-09 | 1975-08-26 | Burnice J Causey | Open-end ratchet wrench |
| CN2584358Y (en) * | 2002-11-05 | 2003-11-05 | 淄博文祺实业有限公司 | Single-wedge type wrench |
| CN2908047Y (en) * | 2006-05-08 | 2007-06-06 | 鲁宏 | Single wedge type spanner, wrench |
| KR100719228B1 (en) * | 2006-07-12 | 2007-05-18 | (주)월드비젼 | Auto spanner |
| CN101422886A (en) * | 2007-11-01 | 2009-05-06 | 史丹利七和国际股份有限公司 | Ratchet coeswrench |
| DE102011054555A1 (en) * | 2011-10-17 | 2013-04-18 | Chin-Shun Cheng | Wrench for use with ratchet function, has pressure surface that is formed in form of spherical surface at end of sliding piece, where siding piece protrudes pressure surface from jaw surface |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328613A (en) * | 2014-08-13 | 2016-02-17 | 志拓有限公司 | Wrench with ratcheting effect |
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Application publication date: 20150729 |