CN108044552A - A kind of allen wrench and wrench set - Google Patents
A kind of allen wrench and wrench set Download PDFInfo
- Publication number
- CN108044552A CN108044552A CN201810061351.1A CN201810061351A CN108044552A CN 108044552 A CN108044552 A CN 108044552A CN 201810061351 A CN201810061351 A CN 201810061351A CN 108044552 A CN108044552 A CN 108044552A
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- driving
- screw
- housing
- spanner
- thimble
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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
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
- B25B13/52—Chain or strap wrenches
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention relates to hardware tool fields, specifically, a kind of allen wrench and wrench set are provided, it includes moment and transfers spanner and spanner movable head, spanner movable head includes housing, driving member and multiple screw thimbles, housing is equipped with a plurality of slide being slidably matched with multiple screw thimbles, screw thimble includes sliding part and driving portion, the driving portion of screw thimble, which protrudes from housing and is collectively formed, matches the driving structure for turning hexagon socket head cap screw with the hex-shaped recess of hexagon socket head cap screw, when multiple screw thimbles are slided along a plurality of slide, the driving structure that multiple driving ends are collectively formed is applicable to hexagon socket head cap screw of different size and specifications.It can be directed to the hexagon socket head cap screw of different size and be turned, and have small, simple in structure, the advantages of easy to carry and failure rate is low.
Description
Technical field
The present invention relates to hardware tool technical field, in particular to a kind of allen wrench and wrench set.
Background technology
Hexagon socket head cap screw is that a kind of screw terminal outside is round, and centre is the hexagon fallen in, in industrial and mining enterprises, equipment
It is widely used in repair.And die nut is a kind of common hardware tool, for tightening and dismantling to hexagon socket head cap screw.
Allen wrench is cross section for regular hexagon and curves the curved bar at right angle at present, and curved bar is divided into long handle section and short
Handle section, when tightening or dismantling hexagon socket head cap screw, by positive six side of one end of long handle section or short handle section insertion hexagon socket head cap screw head
In connected in star, a few are rotated by short handle section or long handle section, until tightening completely or removing bolt.It is existing to be used to fasten
The spanner of hex bolts is all the hexagonal prism of independent part, and since its individual is smaller, model is more, and each model can only pin
A kind of hexagon socket head cap screw of specification is operated, therefore in practical applications, so more allen wrenches is not only not easy
It preserves, be easy to cause loss, and special matching spanner customized is also wanted for some non-standard screws, work efficiency is low.
The content of the invention
It is an object of the invention to provide a kind of allen wrench, the hexagon socket head cap screw that can be directed to different size carries out
It turns, small, easy to carry and failure rate is low.
Another object of the present invention is to provide a kind of wrench set, different size can be directed to it includes above-mentioned
Hexagon socket head cap screw is turned, small, allen wrench easy to carry and low failure rate.
What the embodiment of the present invention was realized in：
A kind of allen wrench transfers spanner including moment and spanner movable head, spanner movable head includes shell
Body, driving member and multiple screw thimbles, housing are equipped with a plurality of slide being slidably matched with multiple screw thimbles, each screw top
Pin includes the sliding part and driving portion of interconnection, and the driving portion of multiple screw thimbles protrudes from housing and is collectively formed
Match to turn the driving structure of hexagon socket head cap screw with the rotation slot of hexagon socket head cap screw, when the sliding part edge of multiple screw thimbles
When a plurality of slide slides, the driving structure that multiple driving ends are collectively formed is applicable to hexagon socket head cap screw of different size and specifications,
Driving member includes the first driving section that multiple screw thimbles is driven to rotate and transfers spanner detachable connection with torque
The second driving section, the first driving section and the second driving section are connected with each other, and the second driving section is protruded from surface of shell.
In preferred embodiments of the present invention, above-mentioned housing is hollow column structure, the slide set on housing be from
The bar shaped sliding slot that the axis of housing extends outside, sliding slot are three or three or more.
In preferred embodiments of the present invention, above-mentioned housing includes the first shell and second shell of detachable connection
Body, sliding slot include the first sliding groove and the second sliding slot, and the first sliding groove is the bar shaped to extend outside from the axis of first shell
Sliding slot, the first sliding groove enter the insertion end of housing for screw thimble, and the sliding part of screw thimble enters housing from the first sliding groove
Interior, the driving portion of screw thimble protrudes from housing and outside the first sliding groove；Second sliding slot is outside for the axis from second shell
The bar shaped sliding slot of Zhou Yanshen, number and the position and the second sliding slot of the first sliding groove match, the sliding part insertion shell of screw thimble
Body and at the second sliding slot.
In preferred embodiments of the present invention, above-mentioned multiple screw thimbles include limiting section, and limiting section is all connected to
The one end of the sliding part of screw thimble away from driving portion, the second sliding slot are slidably matched with limiting section.
In preferred embodiments of the present invention, above-mentioned first driving section is three or three or more that annular space is set
Blade, the number of blade and the number of slide match, and the spacing between multiple blades is greater than or equal to the width of slide.
In preferred embodiments of the present invention, above-mentioned second driving section is polygon prism structure, and the second driving section is arranged on first
The center of driving section and the first driving member is protruded from, torque transfers spanner and is equipped with the connecting hole to match with the second driving section.
In preferred embodiments of the present invention, above-mentioned second driving section is equipped with to block the fixation that torque transfers spanner
Portion, fixed part are bulge-structure.
In preferred embodiments of the present invention, above-mentioned screw thimble includes connecting portion, one end of connecting portion and driving portion
Be connected close to one end of housing, the other end of connecting portion is connected with sliding part close to one end of driving portion, the outer diameter of connecting portion from
Connecting portion starts to one end of the close driving portion of connecting portion gradually to increase along the axis of connecting portion close to one end of sliding part.
In preferred embodiments of the present invention, above-mentioned sliding part is arranged in parallel with driving portion, and connecting portion is perpendicular to sliding part
With driving portion.
A kind of wrench set includes above-mentioned allen wrench.
The advantageous effect of the embodiment of the present invention is：
The present invention provides a kind of allen wrench, and spanner and spanner movable head, spanner activity are transferred including moment
Head includes housing, driving member and multiple screw thimbles, and housing is equipped with a plurality of slide being slidably matched with multiple screw thimbles,
Each screw thimble includes the sliding part and driving portion of interconnection, and the driving portion of multiple screw thimbles protrudes from housing
And be collectively formed and the driving structure for turning hexagon socket head cap screw is matched with the hex-shaped recess of hexagon socket head cap screw, when multiple screws
The sliding part of thimble along a plurality of slide slide when, the driving structures that are collectively formed of multiple driving ends are applicable to different size size
Hexagon socket head cap screw, driving member includes the first driving section that multiple screw thimbles is driven to rotate and transfers spanner with torque
Second driving section of detachable connection, the first driving section and the second driving section are connected with each other, and the second driving section is from housing table
It protrudes in face.It can be directed to the hexagon socket head cap screw of different size and be turned, and small, easy to carry and failure rate is low.In addition,
The present invention also provides a kind of wrench sets, and it includes the above-mentioned hexagon socket head cap screws that can be directed to different size to be turned,
Small, easy to carry and low failure rate allen wrench.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structure diagram for the allen wrench that first embodiment of the invention provides；
Fig. 2 is the structure diagram of the screw thimble of the allen wrench in Fig. 1；
Fig. 3 is that the structure that three screw thimbles of the allen wrench that first embodiment of the invention provides are combined is shown
It is intended to；
The screw thimble and driving member for the allen wrench that Fig. 4 provides for first embodiment of the invention are under the first visual angle
Structure diagram；
Fig. 5 is the structure diagram of the screw thimble and driving member of Fig. 4 under the second visual angle.
In figure：10- allen wrenches；100- torques transfer spanner；200- spanner movable heads；210- housings；211- slides；
230- screw thimbles；231- sliding parts；233- driving portions；235- driving structures；237- connecting portions；239- limiting sections；240- is passed
Moving part；The first driving sections of 241-；The second driving sections of 243-.
Specific embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is the embodiment of a part of embodiment of the present invention rather than whole.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to the present invention
The scope of protection.Therefore, below the detailed description of the embodiments of the present invention to providing in the accompanying drawings be not intended to limit will
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained without creative efforts belongs to this
Invent the scope of protection.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instructions such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
The description present invention and simplified description rather than instruction imply that signified equipment or element must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
It connects or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
It can be contacted directly including the first and second features, it is not to contact directly but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Sign is directly over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward or be merely representative of
Fisrt feature level height is less than second feature.
First embodiment
Refer to attached drawing 1, a kind of allen wrench 10 provided in this embodiment, including moment transfer spanner 100 with
And spanner movable head 200, spanner movable head 200 can be adapted for matching the hexagon socket head cap screw of different size, and light structure, body
Product is small, and avoiding traditional allen wrench 10 needs to carry the size of a whole set of different size.
Specifically, it refer to attached drawing 1~3, above-mentioned spanner movable head 200 includes housing 210, driving member 240 and more
A screw thimble 230, housing 210 are equipped with a plurality of slide 211 being slidably matched with multiple screw thimbles 230, each screw thimble
230 include the sliding part 231 of interconnection and driving portion 233, and the driving portion 233 of multiple screw thimbles 230 protrudes from
It housing 210 and is collectively formed the driving structure 235 for turning hexagon socket head cap screw is matched with the hex-shaped recess of hexagon socket head cap screw,
When multiple screw thimbles 230 are slided along a plurality of slide 211, the driving structure 235 that multiple driving ends are collectively formed is applicable to
Hexagon socket head cap screw of different size and specifications, driving member 240 include the first driving section that multiple screw thimbles 230 is driven to rotate
241 and the second driving section 243 of 100 detachable connection of spanner is transferred with torque, the first driving section 241 and the second driving section
243 are connected with each other, and the second driving section 243 is protruded from 210 surface of housing.
The effect of above-mentioned screw thimble 230 is to block hexagon socket head cap screw, and the driving end of screw thimble 230 passes through slide
211 slips can be used for the hexagon socket head cap screw for blocking different size, and when in use, operator transfers spanner by rotating torque
100, torque is transferred the hexagon socket head cap screw that spanner 100 is blocked screw thimble 230 by driving member 240 and is rotated.
Further, above-mentioned housing 210 is hollow column structure, and the slide 211 set on housing 210 is from housing
The bar shaped sliding slot that 210 axis extends outside, sliding slot are three or three or more.In the present embodiment, housing 210 is hollow
Cylindrical structural, the axis of slide 211 from housing 210, which extends outwardly, to be referred to, slide 211 is from the middle position of housing 210
The bar shaped sliding slot extended along half radially outer peripheral side of housing 210, the number of sliding slot are greater than or equal to the sliding part 231 of spiral shell thimble
Number, and sliding part 231 is equal with the number of the driving portion 233 of screw thimble 230, and driving portion 233 be for blocking in
The hex-shaped recess of hex(agonal)screw, block groove being avoided that in rotation process of three or three or more it is possible that
Slippage situation, can preferably block hexagon socket head cap screw to be turned, therefore the number of sliding slot is set as three or three
It is more than item.It should be noted that in other embodiments, the shape of housing 210 or hollow polygon prism structure or in
Empty truncated cone-shaped structure etc., the item number of sliding slot can selectively be set between three, four, five and six according to actual needs.
Further, housing 210 includes the first shell and second shell of detachable connection, and sliding slot includes first
Sliding slot and the second sliding slot, the first sliding groove are the bar shaped sliding slot to extend outside from the axis of first shell, and the first sliding groove is spiral shell
Silk thimble 230 enters the insertion end of housing 210, and the sliding part 231 of screw thimble 230 is entered from the first sliding groove in housing 210,
Specifically, the sliding part 231 of screw thimble 230 is connected with each other with driving portion 233, and sliding part 231 enters housing from the first sliding groove
210, and the driving portion 233 of screw thimble 230 protrudes from housing 210 and outside the first sliding groove；Second sliding slot is from second shell
The bar shaped sliding slot that the axis of body extends outside, number and the position and the second sliding slot of the first sliding groove match, screw thimble 230
Sliding part 231 be inserted into housing 210 and at the second sliding slot.
Further, referring again to attached drawing 2, multiple screw thimbles 230 include limiting section 239, and limiting section 239 connects
The one end of the sliding part 231 of screw thimble 230 away from driving portion 233 is connected to, the second sliding slot is slidably matched with limiting section 239.Limit
The effect in position portion 239 is that screw thimble 230 is fixed on housing 210, so that screw thimble 230 can be slided on housing 210
It is dynamic to block the hexagon socket head cap screw of different size to change spanner movable head 200.In the present embodiment, limiting section 239 is one
A triangle body, limiting section 239 are more than the structure of 230 sliding part 231 of screw thimble, it is necessary to which explanation is for outer diameter in whole or in part
In other embodiments, the structure of locating part can be spherical shape, square, cuboid, trapezium structure etc..
Further, attached drawing 4~5 is refer to, above-mentioned driving member 240 includes the first driving section 241, the first driving section 241
For the blade of three or three or more that annular space is set, the number and the number of slide 211 of blade match, multiple blades
Between spacing be greater than or equal to slide 211 width.First driving section 241 is for torque to be transferred to the power of spanner 100
Screw thimble 230 is transferred to, the driving portion 233 of the screw thimble 230 of hexagon socket head cap screw is blocked with driving, turns hexagon socket head cap screw
It is dynamic.
Further, above-mentioned driving member 240 includes the second driving section 243, and the second driving section 243 is polygon prism structure, the
Two driving sections 243 be arranged on the first driving section 241 center and protrude from the first driving member 240, torque transfer spanner 100 be equipped with
The connecting hole that second driving section 243 matches.Second driving section 243 is to transfer spanner 100 for spanner movable head 200 and torque
Connector, while also serve as by torque transfer spanner 100 kinetic energy pass to the first driving section 241, to drive screw thimble
230 turn the driving member 240 of hexagon socket head cap screw.It is further included on second driving section 243 and is useful for blocking torque transmission spanner 100
Fixed part, fixed part is bulge-structure.In the present embodiment, the second driving section 243 is quadrangular, on the second driving section 243
Fixed part for semi-circular projection structure, settings of fixed part enables to torque transmission plate in rotating spanner movable head 200
When more stablize, make power more easy and convenient.
In the present embodiment, torque transfers spanner 100 as the hollow tubular structure of L-type, and torque transfers the connection of spanner 100
The shape size in hole and the shape size of the second driving section 243 match.The torque transmission spanner 100 of L-type, which includes, mutually to be interconnected
The stock and quarter butt connect, the free end of quarter butt are wanted to be connected with the second driving section 243.It should be noted that in other implementations
In example, torque transfers the hollow columnar structures that spanner 100 can be a straight barrel type, and above-mentioned connecting hole is arranged on the center of straight tube,
One end that the torque of straight barrel type transfers spanner is connected with the second driving section 243, and the other end can be connected with electric drill, specifically, electricity
The one end of torque transmission spanner away from the second driving section 243 that may be inserted into straight barrel type is bored, so that the kinetic energy of electric drill passes through torque
It transfers spanner and is transferred to spanner movable head 200, to turn screw.
Further, screw thimble 230 includes connecting portion 237, and one end of connecting portion 237 and driving portion 233 are close to shell
One end of body 210 is connected, and the other end of connecting portion 237 is connected with sliding part 231 close to one end of driving portion 233, connecting portion 237
Outer diameter since connecting portion 237 is close to one end of sliding part 231 along the axis of connecting portion 237 to connecting portion 237 close to driving
The one end in portion 233 gradually increases.The outer diameter of the connecting portion 237 of screw thimble 230 gradually increases in one end close to driving portion 233
The reason for be, in rotation process, the connecting portion 237 of screw thimble 230 plays a part of to form a connecting link, and connecting portion 237 will be sliding
The circumferential power that dynamic portion 231 is subject to passes to driving portion 233, and the driving portion 233 for blocking hexagon socket head cap screw is made to drive interior hexagonal spiral shell
Silk rotates, and therefore, outer diameter increase can be such that the stress of screw thimble 230 more stablizes, and the service life of screw thimble 230 is more
For a long time.
Further, sliding part 231 is arranged in parallel with driving portion 233, and connecting portion 237 is perpendicular to sliding part 231 and driving
Portion 233 is, it is necessary to which explanation, the first driving section 241 of driving member 240 are located at the connecting portion 237 of screw thimble 230 close to slip
The one end in portion 231.
In conclusion the present invention provides a kind of allen wrench, spanner and spanner movable head are transferred including moment,
Spanner movable head includes housing, driving member and multiple screw thimbles, and housing is equipped with what is be slidably matched with multiple screw thimbles
A plurality of slide, each screw thimble include the sliding part and driving portion of interconnection, and the driving portion of multiple screw thimbles is equal
It protrudes from housing and is collectively formed and the driving structure for turning hexagon socket head cap screw is matched with the hex-shaped recess of hexagon socket head cap screw,
When the sliding part of multiple screw thimbles is slided along a plurality of slide, the driving structure that multiple driving ends are collectively formed is applicable to not
The hexagon socket head cap screw of same specification size, driving member include the first driving section that multiple screw thimbles is driven to rotate and and power
Square transfers the second driving section of spanner detachable connection, and the first driving section is connected with each other with the second driving section, and the second transmission
It is protruded from surface of shell in portion.It can be directed to the hexagon socket head cap screw of different size and be turned, small, easy to carry and failure
Rate is low.In addition, the present invention also provides a kind of wrench sets, it includes the above-mentioned hexagon socket head cap screws that can be directed to different size
It is turned, small, easy to carry and low failure rate allen wrench.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of allen wrench, which is characterized in that it includes moment and transfers spanner and spanner movable head, and the spanner is lived
Dynamic head includes housing, driving member and multiple screw thimbles, and the housing is equipped with and is slidably matched with multiple screw thimbles
A plurality of slide, each screw thimble includes the sliding part and driving portion of interconnection, multiple screw thimbles
The driving portion protrude from the housing and be collectively formed and match with the hex-shaped recess of hexagon socket head cap screw to turn
The driving structure of hexagon socket head cap screw is stated, it is more when the sliding part of multiple screw thimbles is slided along a plurality of slide
The driving structure that a driving end is collectively formed is applicable to hexagon socket head cap screw of different size and specifications, the driving member
The detachable company of spanner is transferred including the first driving section for being used to that multiple screw thimbles to be driven to rotate and with the torque
The second driving section connect, first driving section and second driving section are connected with each other, and second driving section is from described
Surface of shell protrudes.
2. allen wrench according to claim 1, which is characterized in that the housing is hollow column structure, described
The slide set on housing is the bar shaped sliding slot to extend outside from the axis of the housing, and the sliding slot is three or three
It is more than item.
3. allen wrench according to claim 2, which is characterized in that the housing includes the first of detachable connection
Housing and second shell, the sliding slot include the first sliding groove and the second sliding slot, and the first sliding groove is from described first
The bar shaped sliding slot that the axis of housing extends outside, the first sliding groove enter the insertion of the housing for the screw thimble
End, the sliding part of the screw thimble entered from the first sliding groove in the housing, the screw thimble it is described
Driving portion protrudes from the housing and outside the first sliding groove；Second sliding slot be from the axis of the second shell to
The bar shaped sliding slot of periphery extension, number and the position and second sliding slot of the first sliding groove match, the screw thimble
The sliding part be inserted into the housing and at second sliding slot.
4. allen wrench according to claim 3, which is characterized in that multiple screw thimbles include /V
Portion, the limiting section are all connected to the described one end of the sliding part of screw thimble away from the driving portion, and described second slides
Slot is slidably matched with the limiting section.
5. allen wrench according to claim 1, which is characterized in that first driving section is set for annular space
The blade of three or three or more, the number of the blade and the number of the slide match, between multiple blades
Spacing is greater than or equal to the width of the slide.
6. allen wrench according to claim 1, which is characterized in that second driving section be polygon prism structure, institute
The second driving section is stated arranged on the center of first driving section and protrudes from first driving member, the torque is transferred spanner and set
There is the connecting hole to match with second driving section.
7. allen wrench according to claim 6, which is characterized in that second driving section is equipped with for blocking
The fixed part that torque transfers spanner is stated, the fixed part is bulge-structure.
8. allen wrench according to claim 1, which is characterized in that the screw thimble includes connecting portion, described
One end of connecting portion is connected with the driving portion close to one end of the housing, the other end of the connecting portion and the sliding part
It is connected close to one end of the driving portion, the outer diameter of the connecting portion is since the connecting portion is close to one end of the sliding part
Gradually increase to one end of the close driving portion of the connecting portion along the axis of the connecting portion.
9. allen wrench according to claim 8, which is characterized in that the sliding part is parallel with the driving portion to be set
It puts, the connecting portion is perpendicular to the sliding part and the driving portion.
10. a kind of wrench set, which is characterized in that it is included just like claim 1~9 any one of them allen wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061351.1A CN108044552B (en) | 2018-01-22 | 2018-01-22 | Inner hexagonal wrench and wrench set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061351.1A CN108044552B (en) | 2018-01-22 | 2018-01-22 | Inner hexagonal wrench and wrench set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108044552A true CN108044552A (en) | 2018-05-18 |
| CN108044552B CN108044552B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061351.1A Active CN108044552B (en) | 2018-01-22 | 2018-01-22 | Inner hexagonal wrench and wrench set |
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| CN (1) | CN108044552B (en) |
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