CN108972434A - A kind of Combined torque amplification spanner - Google Patents
A kind of Combined torque amplification spanner Download PDFInfo
- Publication number
- CN108972434A CN108972434A CN201810731913.9A CN201810731913A CN108972434A CN 108972434 A CN108972434 A CN 108972434A CN 201810731913 A CN201810731913 A CN 201810731913A CN 108972434 A CN108972434 A CN 108972434A
- Authority
- CN
- China
- Prior art keywords
- spanner
- centre
- palm
- buckle
- assembly
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
-
- 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
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/465—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an internally toothed ring
-
- 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
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
- B25B13/54—Internal grip wrenches
-
- 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
- B25B23/16—Handles
Abstract
The present invention relates to a kind of Combined torques to amplify spanner, comprising: centre of the palm spanner and torque amplifier unit, torque amplifier unit include: to pull body, are set to the interconnecting piece for pulling body end portion；Interconnecting piece has can be with the anti-rotation structure of centre of the palm spanner fast assembling-disassembling.Centre of the palm spanner has function part and grip part, can individually carry out using, and centre of the palm spanner small volume, more convenient carrying；Torque amplifier unit is connected with centre of the palm spanner, extend the rotation torque arm length of centre of the palm spanner, biggish torque is obtained when to apply identical active force, torque amplifier unit extends rotation torque arm length and is mainly realized by pulling body, the length for pulling body is bigger, then the extended rotation arm of force is bigger, and active force identical in this way can be obtained bigger torque.
Description
Technical field
The present invention relates to a kind of spanner, especially a kind of Combined torque amplifies spanner.
Background technique
In order to easy to carry, designer has developed a kind of centre of the palm spanner, uses for convenience, and centre of the palm spanner is internally provided with
Ratchet structure, this centre of the palm spanner is small in size, easy to carry, after being internally provided with ratchet structure, operates and also compares just
Revolution can be realized without loosing one's grip in benefit.
But centre of the palm spanner, due to small in size, after hand is held, the torque that can be generated is also smaller, this just gives using band
Limitation is carried out.
Summary of the invention
The present invention provides a kind of Combined torque amplification spanner, can tear the component of conjunction open with centre of the palm spanner including one, protect
The convenience of centre of the palm spanner is stayed, while further through the torque of component amplification centre of the palm spanner, to meet the needs of the field of large torque
It closes.
The specific technical proposal of the invention is: a kind of Combined torque amplifies spanner, comprising: centre of the palm spanner, centre of the palm spanner
Including function part and for the grip part of gripping；
Torque amplifier unit, the rotation torque arm length of centre of the palm spanner can be extended by being connected with centre of the palm spanner；
Torque amplifier unit includes: to pull body, is set to the interconnecting piece for pulling body end portion；
Interconnecting piece has can be with the anti-rotation structure of centre of the palm spanner fast assembling-disassembling.
Centre of the palm spanner has function part and grip part, can individually carry out using, and centre of the palm spanner small volume, comparison side
Portable belt；Torque amplifier unit is connected with centre of the palm spanner, extends the rotation torque arm length of centre of the palm spanner, to apply identical work
Biggish torque is obtained when firmly, torque amplifier unit extends rotation torque arm length and mainly realizes by pulling body, pulls body
Length is bigger, then the extended rotation arm of force is bigger, and active force identical in this way can be obtained bigger torque；Interconnecting piece is set to
Body end portion is pulled, is connected by interconnecting piece with centre of the palm spanner, interconnecting piece has the structure with centre of the palm spanner fast assembling-disassembling, connects in this way
Portion can separate and carry, when small torque works, directly can be operated with centre of the palm spanner with centre of the palm spanner fast assembling-disassembling, when
When large torque being needed to work, torque amplifier unit is quickly connect with centre of the palm spanner by interconnecting piece, use is more convenient；Connection
Portion wanted after being connect with centre of the palm spanner can anti-rotation, avoid pulling body rotation, centre of the palm spanner or static, anti-rotation structure can use a variety of
Structure, such as spline connection, such as polygon connection can also carry out anti-rotation by the included positioning pin resetted.
Preferably, being additionally provided with the department of assembly with interconnecting piece cooperation on the spanner of the centre of the palm.Centre of the palm spanner by department of assembly with
The interconnecting piece of torque amplifier unit is connected.
Preferably, department of assembly is multilateral shape, interconnecting piece uses cyclic structure, and centre is more to be inserted into for centre of the palm spanner
The department of assembly of side shape through-hole, polygonal through hole and centre of the palm spanner cooperatively forms anti-rotation.
Preferably, interconnecting piece uses cyclic structure, centre is provided with circular through hole, and circular through hole inner wall is provided with spine
The department of assembly of tooth, centre of the palm spanner is circle, and department of assembly's appearance is provided with ratchet, and centre of the palm spanner is inserted into circular through hole, ratchet
Intermeshing；Or interconnecting piece uses cyclic structure, centre is provided with circular through hole, and the department of assembly of centre of the palm spanner is circle, dress
Portion's appearance is provided with ratchet, pulls and pawl is hinged with by pulling axis on body, the two sides of pawl are provided with blade tooth, and pawl is connected with bullet
Spring, centre of the palm spanner are inserted into interconnecting piece, and pawl and ratchet engagement form bilaterally adjustable ratchet structure.Centre of the palm spanner sheet as
Non- ratchet structure, the circular through hole of interconnecting piece is interior to be arranged ratchet, forms solid wrench structure after the assembly of centre of the palm spanner；Second is round
Shape through-hole is light wall, pulls hinged claw on body, is meshed by the blade tooth on pawl with the ratchet of centre of the palm spanner appearance, thus shape
At ratchet structure.
Preferably, department of assembly be multilateral shape, interconnecting piece using opening polygon bayonet arrangement, polygon bayonet with
The department of assembly of centre of the palm spanner cooperatively forms anti-rotation.
Preferably, being provided with retaining mechanism on interconnecting piece, the appearance of centre of the palm spanner is provided with and retaining mechanism cooperation
Capture configurations.Centre of the palm spanner and interconnecting piece can be locked by retaining mechanism, avoid centre of the palm spanner and coupling part from, for
The interconnecting piece of cyclic structure, retaining mechanism mainly places restrictions on the axial movement of centre of the palm spanner, for the polygon bayonet arrangement of opening
Interconnecting piece, in addition to centre of the palm spanner to be placed restrictions on axial movement is outer, retaining mechanism will also place restrictions on centre of the palm spanner from opening disengaging；It opens
The interconnecting piece of mouth then can be used as fork spanner use if it is the bayonet arrangement of hexagon again.
Preferably, retaining mechanism uses movable buckle structure, the capture configurations of centre of the palm spanner are buckle slot, lock machine
Structure includes buckle, the spring being connected with buckle and buckles movable manipulation button for driving.
Fluting is provided on body preferably, pulling, buckle and spring are set in fluting, and buckle end is under the action of the spring
It can stretch out and be snapped onto buckle slot out of fluting；Or pull and be provided with fluting on body, buckle is articulated in fluting, is snapped connection
There is spring, buckle end can be produced and snap onto buckle slot out of fluting under the action of the spring.
Preferably, the capture configurations of centre of the palm spanner appearance are stepped groove, pull body side surface and be provided with fluting, retaining mechanism packet
The buckle being articulated in fluting is included, the end of buckle is provided with crotch, and the other end connecting spring of buckle is buckled in spring effect
Lower crotch hooks stepped groove.
Preferably, centre of the palm spanner is the non-ratchet structure of monoblock type；Or centre of the palm spanner is ratchet-type structure.
The beneficial effects of the present invention are: centre of the palm spanner has function part and grip part, can individually carry out using and the centre of the palm
Spanner small volume, more convenient carrying；Torque amplifier unit is connected with centre of the palm spanner, extends the rotatory force brachium of centre of the palm spanner
Degree obtains biggish torque when to applying identical active force, it is mainly logical that torque amplifier unit extends rotation torque arm length
It crosses and pulls body to realize, the length for pulling body is bigger, then the extended rotation arm of force is bigger, and active force identical in this way can be obtained bigger
Torque.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of the embodiment of the present invention one；
Fig. 2 is the decomposition diagram of the embodiment of the present invention one；
Fig. 3 is the vertical cross-sectional of the embodiment of the present invention one；
Fig. 4 is the transverse sectional view of the embodiment of the present invention one；
Fig. 5 is a kind of structural schematic diagram of centre of the palm spanner of the embodiment of the present invention two；
Fig. 6 is a kind of vertical cross-sectional of the embodiment of the present invention two；
Fig. 7 is a kind of transverse sectional view of the embodiment of the present invention two；
Fig. 8 is that one kind of the embodiment of the present invention three pulls body structural schematic diagram；
Fig. 9 is a kind of transverse sectional view of the embodiment of the present invention three；
Figure 10 is a kind of structural schematic diagram of the embodiment of the present invention three；
Figure 11 is a kind of structural schematic diagram of the embodiment of the present invention four；
In figure: 1, pull body, 2, manipulation button, 3, centre of the palm spanner, 4, interconnecting piece, 5, function part, 6, spring, 7, cover board, 8, buckle,
9, connecting hole, 10, polygonal through hole, 11, pawl, 12, blade tooth, 13, shaft, 14, pawl slot, 15, rotor, 16, department of assembly,
17, buckle slot, 18, grip part, 19, ratchet, 20, runner, 21, notch, 22, blind hole, 23, adjustment axis, 24, rotation section, 25, steel
Pearl, 26, connecting shaft, 27, fluting, 28, circlip, 29, baffle, 30, regulation button, 31, circular through hole, 32, adjusting grooves, 33,
Spring groove, 34, polygon bayonet, 35, opening, 36, stepped groove, 37, crotch, 38, jack, 39, inclined-plane.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the invention will be further described.
Embodiment one:
As shown in Figures 1 to 4, a kind of Combined torque amplifies spanner, including centre of the palm spanner 3 and is connected with centre of the palm spanner for prolonging
The torque amplifier unit of long centre of the palm spanner rotation torque arm length.
Centre of the palm spanner in the present embodiment is the centre of the palm spanner of ratchet structure, and centre of the palm spanner includes function part 5, for holding
Grip part 18 and the department of assembly 16 that is matched with torque amplifier unit, turn the downside position for be in grip part with portion, turn with portion
It is structure as a whole with grip part.Axial hole is provided at the axle center of grip part, axial hole penetrates through always department of assembly, the inner wall of axial hole
It is provided with ratchet 19, rotor 15 has been penetrated in axial hole, function part is in the end position of rotor.The side of rotor is set
It is equipped with pawl slot 14, shaft 13 is fixed in pawl slot, the axis of shaft and the pivot center of rotor are parallel, cover in shaft
It is equipped with pawl 11, forms articulated connection between pawl and rotor.The two sides of pawl are provided with blade tooth 12, and rotor is inserted into axis
Into hole, the ratchet of the blade tooth of pawl towards axial hole inner wall.Be provided with an axis hole at the axis of rotor, in axis hole inserted with
Adjustment axis 23, adjustment axis t shape, the upper end of adjustment axis are rotation section 24, and the vertical portion of adjustment axis is stepped shaft structure, are adjusted
The lower end of axis is inserted into function part, and adjustment axis is provided with notch 21, the intermediate position setting of adjustment axis close to the side of lower end
There is circular blind hole 22.The side of function part is provided with steel ball 25, after adjustment axis insertion, the position of notch and the steel at function part
Pearl is corresponding (referring to Fig. 3).Be placed with pressure spring in blind hole, the opening position of blind hole is provided with steel ball, pressure spring withstand steel ball (referring to
Fig. 4).Rotor is internally provided with radial passage, and radial passage is connected to axis hole and pawl slot 14, after adjustment axis insertion, adjustment axis
On steel ball be in contact with the pawl on rotor, by rotate rotation section, adjustment axis rotation, adjustment axis drive adjustment axis on
Steel ball rotation, so that the steel ball is in contact with the different parts of pawl, pawl receives jacking force 13 rotation around the shaft of steel ball, spine
It has side in the blade tooth of pawl two sides to be meshed with the ratchet of the axial hole inner wall of grip part, so that rotor can only be along wherein
One direction relatively rotates with grip part, another direction can only keep rotating synchronously with grip part.The upper end of rotor
It is fixed with runner 20, the outer diameter of runner is greater than the diameter of grip part axial hole, and it is straight that there is diameter to be greater than axial hole for rotor lower part
The flange of diameter, flange are mutually positioned with axial hole lower end, and runner is fixed with rotor, is limited in the axial direction to rotor.Edge
Axial movement adjustment axis, move up, at this time the notch of adjustment axis lower end will the steel ball in pushing function portion move radially,
So that function part is connected to a fixed with sleeve.Turning the outer diameter that the outer diameter with portion is less than grip part, department of assembly is multilateral shape,
The appearance of department of assembly is provided with the buckle slot 17 of indent, and appearance of the buckle slot in department of assembly is a whole coil structures, and buckle slot is filling
With the middle position in portion's appearance axial direction.
Torque amplifier unit includes: to pull body 1, is set to the interconnecting piece 4 for pulling body end portion.The assembly of interconnecting piece and centre of the palm spanner
Portion matches, and pulls the length of the rotation arm of force of the body for extending centre of the palm spanner.Interconnecting piece uses cyclic structure, and centre is for the centre of the palm
The department of assembly of the polygonal through hole 10 of spanner insertion, polygonal through hole and centre of the palm spanner cooperatively forms anti-rotation.It is arranged on interconnecting piece
There is retaining mechanism, retaining mechanism uses movable buckle structure, and retaining mechanism includes buckle 8, the spring 6 being connected with buckle and uses
Movable manipulation button 2 is buckled in driving.The fluting 27 being provided in connection interconnecting piece ring in vivo is pulled, buckle and spring are set to
In fluting, towards in interconnecting piece ring, the surface of fluting is closed by cover board 7 for the end of buckle.Rectangular connection is provided on buckle
Hole 9 manipulates and is fixed with connecting shaft 26 on button, and connecting shaft is inserted into connecting hole, pushes manipulation button that can push and is buckled in
Mobile in fluting, release manipulation button, buckle is pushed under the action of the spring in the polygonal through hole of interconnecting piece.
After centre of the palm spanner is connect with interconnecting piece, department of assembly is inserted into polygonal through hole, the position of buckle slot just with card
Button is opposite, and under the action of the spring, the end of buckle pushes into buckle slot, thus by centre of the palm spanner and torque amplifier unit phase
It is fixed, at this point, the pivot center of centre of the palm spanner and the length direction for pulling body are perpendicular.It holds and pulls body and rotate counterclockwise, it is polygon
Shape by by department of assembly drive centre of the palm spanner rotate simultaneously, certainly, at this time rotor pawl right side (in Fig. 2 on the right side of side
Position) blade tooth be meshed with the ratchet of axial hole inner wall, turn ligand rotor can be driven to synchronize to rotate counterclockwise.It holds and pulls body
When rotating clockwise, polygonal through hole can also equally be rotated clockwise with turn ligand, and pawl does not work at this time, rotor phase
It rotates to assembly, assembly is unable to drive rotor rotation, does not have to release function portion, that is, rotatable.
Embodiment two:
As shown in Fig. 5 Fig. 6 Fig. 7, a kind of Combined torque amplifies spanner, with embodiment one the difference is that: centre of the palm spanner 3 is
The department of assembly of non-ratchet structure, centre of the palm spanner is circle, and department of assembly's appearance is provided with ratchet 19, and department of assembly is integrated with grip part
Structure, department of assembly front end are the small small diameter portion of diameter, the buckle slot 17 that the appearance setting diameter of small diameter portion concaves, section of buckle slot
Face is rectangle.The interconnecting piece 4 of torque amplifier unit front end is ring-type, and ring-type is intermediate to be provided with circular through hole 31, and circular through hole is
Light wall.The fluting 27 for being provided with connection circular through hole in vivo is pulled, lower surface (orientation up and down in Fig. 6) formation for pulling body is recessed at
Notch is fixed with cover board 7 at notch and closes notch, is provided with sliding slot on cover board.It is provided with buckle and spring in fluting, buckles
Manipulation button 2 is connected by connecting shaft 26, connecting shaft is stretched out from the sliding slot of cover board.It pulls also hinged by shaft in the fluting of body
There is pawl 11, is separated between pawl and buckle by baffle 29, the lower end of shaft is connected with baffle.Fluting where pawl
Inside be additionally provided with spring groove 33, setting spring and steel ball, the two sides of pawl are provided with blade tooth 12, the back of pawl in spring groove
Face is two symmetrical adjusting grooves 32(referring to Fig. 7), steel ball is pushed under the action of the spring in one of adjusting grooves, is led to
Conversion of the steel ball between two adjusting grooves is crossed, so that the blade tooth of the pawl two sides spine with centre of the palm spanner department of assembly appearance respectively
Tooth is meshed, and forms ratchet structure after centre of the palm spanner and the assembly of torque amplifier unit.Non-circular hole is provided on pawl, shaft is
After non-cylindrical, pawl and shaft lower end are fixed, pawl can be rotated by rotating shaft.The upper end of shaft, which reaches, pulls body
Outside upper surface, the upper end of shaft is connected with regulation button 30, can rotating shaft by rotation regulation button.Pull the gear of body fluting
Plate is extend into always in the circular through hole of interconnecting piece, and there are two circular holes for setting on baffle, and a Circularhole diameter is big, and a circular hole is straight
Diameter is small, and the small circular hole of diameter is matched with shaft, and the big circular hole of diameter is matched with centre of the palm spanner.The small diameter portion of centre of the palm spanner is worn
The big circular hole of diameter on baffle is crossed, the inner wall of the circular through hole of interconnecting piece is provided with jump-ring slot, circlip 28 is provided in jump-ring slot,
Circlip blocks baffle.The position for buckling corresponding circlip is provided with lower concave part.Remaining structure is referring to embodiment one.
Embodiment three:
As shown in Fig. 8 Fig. 9 Figure 10, a kind of Combined torque amplifies spanner, with embodiment one the difference is that: centre of the palm spanner
Department of assembly is multilateral shape, polygon bayonet 34 structure of the interconnecting piece of torque amplifier unit using opening 35, polygon bayonet
Anti-rotation is cooperatively formed with the department of assembly 16 of centre of the palm spanner.Centre of the palm spanner department of assembly appearance is provided with uniformly distributed stepped groove 36, ladder
Slot is made of two vertical sides, and the side of interconnecting piece is provided with fluting, and buckle is articulated in fluting, and the end of buckle is provided with curved
Hook 37, the other end of buckle are connected with spring, and buckle rotates under the action of the spring, and the crotch for buckling end hooks stepped groove, this
When centre of the palm spanner and torque amplifier unit formed lock.Appearance of the stepped groove in department of assembly is less than interconnecting piece along the length of axis
Thickness, length of the stepped groove on axis are adapted with the width of buckle, buckle end crotch hook stepped groove after, the same to time limit
The movement of centre of the palm spanner in the axial direction is stopped.Remaining structure is referring to embodiment one.
One end compressed spring for snapping connection spring is pressed, buckles the stepped groove phase of the crotch and centre of the palm spanner of end at this time
Separation, centre of the palm spanner can be with coupling part from exclusive use.Torque amplifier unit forms the solid wrench structure of opening simultaneously.
Example IV:
As shown in figure 11, a kind of Combined torque amplifies spanner, with embodiment one the difference is that: pull setting fluting in vivo
27, spring and buckle are placed in fluting, buckle front end is directed toward the through-hole in interconnecting piece, is provided with jack 38, jack on buckle
The side of corresponding spring is inclined-plane 39, pulls and is provided with manipulation button 2 on body, the lower end for manipulating button extend into the jack of buckle
Interior, the side for manipulating the lower end of button is in contact with inclined-plane, manipulates and is equipped with spring on button.Button is manipulated in the effect of spring
It is in upper bullet shape (referring to Figure 11) down, buckles sinciput at this time, the front end of buckle pushes into the buckle of centre of the palm spanner department of assembly appearance
Locking centre of the palm spanner in slot.After pressing manipulation button, the contact of incline plane and promotion for manipulating button and buckle are buckled in fluting
Mobile, with movement, buckle is separated with centre of the palm spanner, and centre of the palm spanner can mutually be separated with interconnecting piece at this time.Remaining structure reference
Embodiment one.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within the technology of the present invention side
The protection scope of case.
Claims (10)
1. a kind of Combined torque amplifies spanner, characterized by comprising: centre of the palm spanner, centre of the palm spanner include function part and be used for
The grip part of gripping；
Torque amplifier unit, the rotation torque arm length of centre of the palm spanner can be extended by being connected with centre of the palm spanner；
Torque amplifier unit includes: to pull body, is set to the interconnecting piece for pulling body end portion；
Interconnecting piece has can be with the anti-rotation structure of centre of the palm spanner fast assembling-disassembling.
2. a kind of Combined torque according to claim 1 amplifies spanner, it is characterised in that be additionally provided on the spanner of the centre of the palm
With the department of assembly of interconnecting piece cooperation.
3. a kind of Combined torque according to claim 2 amplifies spanner, it is characterised in that department of assembly is multilateral shape, even
Socket part uses cyclic structure, and centre is the polygonal through hole being inserted into for centre of the palm spanner, the assembly of polygonal through hole and centre of the palm spanner
Portion cooperatively forms anti-rotation.
4. a kind of Combined torque according to claim 2 amplifies spanner, it is characterised in that interconnecting piece uses cyclic structure,
Centre is provided with circular through hole, and circular through hole inner wall is provided with ratchet, and the department of assembly of centre of the palm spanner is circle, and department of assembly's appearance is set
It is equipped with ratchet, centre of the palm spanner is inserted into circular through hole, ratchet intermeshing；Or interconnecting piece uses cyclic structure, centre is set
It is equipped with circular through hole, the department of assembly of centre of the palm spanner is circle, and department of assembly's appearance is provided with ratchet, pulls and be hinged on body by pulling axis
Pawl, the two sides of pawl are provided with blade tooth, and pawl is connected with spring, and centre of the palm spanner is inserted into interconnecting piece, and pawl is nibbled with ratchet
Conjunction forms bilaterally adjustable ratchet structure.
5. a kind of Combined torque according to claim 2 amplifies spanner, it is characterised in that department of assembly is multilateral shape, even
For socket part using the polygon bayonet arrangement of opening, polygon bayonet and the department of assembly of centre of the palm spanner cooperatively form anti-rotation.
6. a kind of Combined torque amplification spanner described according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that interconnecting piece
On be provided with retaining mechanism, the appearance of centre of the palm spanner is provided with the capture configurations with retaining mechanism cooperation.
7. a kind of Combined torque according to claim 6 amplifies spanner, it is characterised in that retaining mechanism is using movable
Buckle structure, the capture configurations of centre of the palm spanner are buckle slot, retaining mechanism include buckle, with buckle the spring being connected and for driving
The dynamic movable manipulation button of buckle.
8. a kind of Combined torque according to claim 7 amplifies spanner, it is characterised in that pull and be provided with fluting on body, block
Button and spring are set in fluting, and buckle end can be stretched out out of fluting under the action of the spring and snap onto buckle slot；Or
It pulls and is provided with fluting on body, buckle is articulated in fluting, has snapped connection spring, buckle end under the action of the spring can be from fluting
It inside produces and snaps onto buckle slot.
9. a kind of Combined torque according to claim 6 amplifies spanner, it is characterised in that the lock-bit of centre of the palm spanner appearance
Structure is stepped groove, pulls body side surface and is provided with fluting, retaining mechanism includes the buckle being articulated in fluting, the end setting of buckle
There is crotch, the other end connecting spring of buckle, crotch hooks stepped groove to buckle under the action of the spring.
10. a kind of Combined torque amplification spanner described according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that pull in the centre of the palm
Hand is the non-ratchet structure of monoblock type；Or centre of the palm spanner is ratchet-type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731913.9A CN108972434B (en) | 2018-07-05 | 2018-07-05 | Combined torque amplifying wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731913.9A CN108972434B (en) | 2018-07-05 | 2018-07-05 | Combined torque amplifying wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108972434A true CN108972434A (en) | 2018-12-11 |
| CN108972434B CN108972434B (en) | 2020-10-30 |
Family
ID=64536212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810731913.9A Active CN108972434B (en) | 2018-07-05 | 2018-07-05 | Combined torque amplifying wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108972434B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI815624B (en) * | 2022-08-23 | 2023-09-11 | 英發企業股份有限公司 | Ratchet wrench capable of rapidly turning |
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| CN208528964U (en) * | 2018-07-05 | 2019-02-22 | 杭州巨星科技股份有限公司 | A kind of Combined torque amplification spanner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI815624B (en) * | 2022-08-23 | 2023-09-11 | 英發企業股份有限公司 | Ratchet wrench capable of rapidly turning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108972434B (en) | 2020-10-30 |
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