CN109759981A - A kind of multifunctional tool head changes rotation mechanism - Google Patents
A kind of multifunctional tool head changes rotation mechanism Download PDFInfo
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- CN109759981A CN109759981A CN201811546647.9A CN201811546647A CN109759981A CN 109759981 A CN109759981 A CN 109759981A CN 201811546647 A CN201811546647 A CN 201811546647A CN 109759981 A CN109759981 A CN 109759981A
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- tool heads
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Abstract
The invention discloses a kind of multifunctional tool heads to change rotation mechanism, including mounting bracket, U-shaped support, pin shaft, reset spring, tool heads mechanism, nut cap and screw, mounting bracket includes a pair of symmetrically arranged side plate and bottom plate, the both ends of one of side plate are respectively equipped with the first through hole for accommodating the installation of U-shaped support, and the both ends of another side plate are respectively equipped with the second through-hole for accommodating nut cap installation；The third through-hole of one of coaxial arrangement placement reset spring is successively arranged on U-shaped support, fourth hole and end smooth at least one have fifth hole of internal splined hole, be equipped between adjacent each hole accommodate tool heads mechanism changing turn end across gap；Pin shaft has coaxial arrangement and the molding multiple outer spline sections of overall processing, optical axis section and a limit knob section, and tool heads mechanism includes multiple.A kind of multifunctional tool head of the invention changes rotation mechanism, can collect one more than a variety of different types of tools, and changes and turn flexibly to be not easy stuck, long service life.
Description
Technical field
The present invention relates to a kind of tool constructions, and in particular to a kind of multifunctional tool head changes rotation mechanism.
Background technique
With the development of modern machinery and metallurgical technology, hand tools is continuous in terms of shape-designing, material
It updates and develops, fully taken into account the design factors such as mechanics, bodily fuctions；With the development of social economy and industrial
The manufacture of the fine and closely woven division of labor, hand tools is more specialized, and function is more diversified.
It is well known that partially manual tool, which is equipped with, can carry out tool heads and handle mutual alignment adjusting, locking
Construction.
Such as Chinese Patent Application No. 200820027739.1 discloses a kind of rotary nail puller or crowbar, including pry head
And ripping bar, it is hinged it is characterized in that being adopted between the pry head and ripping bar, at the articulated connection between the pry head and ripping bar also
The adjustment mechanism of adjustment and fixed pry head rotational angle is set.
Above-mentioned adjustment mechanism is ratchet and pawl arrangement, and ratchet structure wherein is arranged in pry head, and ratchet structure setting is being prized
The root of head and the hinged sections of ripping bar installation；The position of one pawl cooperated with ratchet, ripping bar and pry head installation is arranged
One cavity, hinge is connect ripping bar in this cavity with pry head, while being the position that the ratchet of pry head matches, and pawl is also at this
The link of cavity inner hinge, wherein ripping bar also installs the pawl on a control ripping bar and the regulating mechanism of ratchet cooperation or disengaging.
The above-mentioned adjustment structure being installed on ripping bar is an elastic locking ball, and the specific structure of the adjustment structure is above-mentioned
The back of pawl, cavity one metal ball of interior setting of ripping bar and the spring with its cooperation, metal ball holds out against and consolidates when spring stretches
Determine pawl.
Disadvantage:
(1) crowbar in above structure is adjusted using the cooperation between ratchet and pawl, due to itself structure
Characteristic, after ratchet and pawl locking, be still easy to appear ratchet one-way misroutes dynamic phenomenon, therefore, just needs using preceding
It adjusts again and arrives original angle, very trouble；It can only be adjusted within the scope of nearly 180 degree when in addition, adjusting, the angle of adjusting
It is smaller；
(2) in the structure, to the ratchet hole of pry head, the concentricity of ratchet and shaft and ratchet and pawl, pawl and bullet
Property locking ball between cooperation, be proposed very high requirement, processing technology is complicated；
(3) in the structure, only a kind of crossover tool head cannot achieve the mutual flexible conversion between multiple types of tools head,
Service efficiency is low.
Summary of the invention
Goal of the invention: the purpose of the present invention is to solve deficiencies in the prior art, provide a kind of multifunctional tool head
Rotation mechanism is changed, one more than a variety of different types of tools can be collected, and changes and turns flexibly to be not easy stuck, long service life.
Technical solution: a kind of multifunctional tool head of the present invention changes rotation mechanism, comprising:
Mounting bracket, the mounting bracket include a pair of symmetrically arranged side plate and bottom plate, and the two of one of side plate
End is respectively equipped with the first through hole for accommodating the installation of U-shaped support, and the both ends of another side plate, which are respectively equipped with, accommodates nut cap installation
The second through-hole；
U-shaped support is successively arranged the third through-hole, at least of a placement reset spring of coaxial arrangement on the U-shaped support
Smooth fourth hole and end have the fifth hole of internal splined hole, the adjacent third through-hole, four-way in one
Between hole, fifth hole be equipped with accommodate tool heads mechanism changing turn end across gap；
Pin shaft, the pin shaft have coaxial arrangement and the molding multiple outer spline sections of overall processing, optical axis section and a limit
Knob section, the limit knob section insertion third through-hole is interior and is slidably matched with third through-hole, and logical in third as pin shaft
Hole, fourth hole are limited along the side of its own axial movement in fifth hole；The optical axis section and interior smooth four-way
Hole is mutually adapted, and the outer spline section turns to hold internal splined hole intermeshing to be adapted to changing for tool heads mechanism；
Reset spring, the reset spring are placed in third through-hole, and one end resists the inner side end of limit knob section,
The other end resists the peripheral end face of the outer spline section near it；
Tool heads mechanism, including at least one, one end is to change to turn end, and the other end is tool head end, will by changing a turn end
Tool head end is screwed out or is withdrawn；The end of convert is equipped with internal splined hole, the internal splined hole and each outer spline section phase on pin shaft
Mutually engagement adaptation；
Nut cap and screw, the nut cap are placed in the second through-hole, the screw pass through nut cap and with pin shaft outer end
The axis hole in portion is fixed, and the nut cap is as pin shaft along its own axial movement in third through-hole, fourth hole, fifth hole
The other side limit.
Further, the number of gaps on the U-shaped support is consistent with the quantity of tool heads mechanism；The quantity of outer spline section
It is consistent with the quantity of tool heads mechanism.
Further, the internal diameter of the fourth hole is equal with the outer diameter of pin shaft glazing shaft part, and optical axis on the pin shaft
The outer diameter of section is less than outer spline section tip diameter.
Further, the axial outer end of the third through-hole is additionally provided with the annular groove being coaxially arranged, the annular
Slot can just be fitted into the knob of limit knob section.
Further, the knob uses male type round end structure.
Further, low level annular is additionally provided between the immediate outer spline section of limit knob Duan Yuqi on the pin shaft
Slot.
Further, the length of the mounting bracket is greater than both ends tool heads mechanism length summation.
Further, the reset spring uses taper bolt spring or disc spring.
Further, type, length, the size of the tool head end in the tool heads mechanism are identical or not identical.
Further, the tool of the tool head end is using open-end wrench, closed loop spanner, box socket set, hammer, pincers fork
Or one of screwdriver or a variety of combinations.
The utility model has the advantages that beneficial effects of the present invention are as follows:
(1) in use state, under the action of reset spring, changing for tool heads turns or is retracted through pressing limit knob
Section is so that pin shaft corresponding segment misplaces, so that outer spline section, the end of convert internal splined hole of intermeshing clamping originally obtain
It unlocks to release, and is designed without two sides using spline, thereby reduce the difficulty of processing and precision of the structure, improve qualification
Rate reduces costs；
(2) knob of pressing limit knob uses the round end structure of evagination, and the feel of such user can be very gentle, simultaneously
User may feel that propulsion is easier and smooth, reduces injury of the aperture plane to manpower, while beautiful shape；
(3) low level annular groove, Neng Goushun are additionally provided between the immediate outer spline section of limit knob Duan Yuqi on pin shaft
Benefit, which is contained in, to be unlocked in adjustment process repeatedly or relatively rotates between use state lower member, the metal fragment that stress generates,
It avoids stuck, prolongs the service life, meanwhile, it can be used as the holding tank of the innermost ring of reset spring；
(4) it is designed using the structure of multiple tool heads, is being not traditional individual tool head, it can be by multiple and different classes
Type, length, the tool heads of size are combined together, to improve service efficiency, and change turn flexibly, to be not easy card between each other
Extremely.
Detailed description of the invention
Fig. 1 is the structural decomposition diagram of the embodiment of the present invention 1；
Fig. 2 is that Fig. 1 is installed rear tool heads stretching status architecture schematic diagram；
Fig. 3 is the structural decomposition diagram of the embodiment of the present invention 2；
Fig. 4 is that Fig. 3 is installed rear tool heads stretching status architecture schematic diagram；
Fig. 5 is Example 1 and Example 2 of the present invention tool heads retracted state structural schematic diagram；
Fig. 6 is Example 1 and Example 2 of the present invention U-shaped seat structure cross-sectional view；
Fig. 7 is the outline structural diagram of Example 1 and Example 2 of the present invention pin shaft；
Fig. 8 is the structure sectional view of Fig. 7 pin shaft；
Fig. 9 is nut cap and bolt structure cross-sectional view in the embodiment of the present invention；
Figure 10 is mounting support structure cross-sectional view in the embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is described in further detail combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, Figure 2, Fig. 6 changes rotation mechanism to a kind of multifunctional tool head shown in Fig. 10, comprising:
Mounting bracket 1, the mounting bracket 1 include a pair of symmetrically arranged side plate and bottom plate, one of side plate
Both ends, which are respectively equipped with, accommodates the first through hole 2 that U-shaped support 4 is installed, and the both ends of another side plate are respectively equipped with receiving nut cap
Second through-hole 3 of 10 installations.
In the present embodiment, the shape of first through hole 2 is consistent with the shape of U-shaped support 4 is accommodated, the shape of the second through-hole 3 with
The shape of nut cap 10 is consistent.
U-shaped support 4, be successively arranged on the U-shaped support 4 a placement reset spring of coaxial arrangement third through-hole 42,
The fifth hole 45 of smooth fourth hole 43 and end with internal splined hole in three, the adjacent third through-hole 42,
Between fourth hole 43, fifth hole 45 be equipped with accommodate tool heads mechanism 7 changing turn end across gap 44；In the present embodiment
There are four the tools of gap 44, consistent with the quantity of tool heads mechanism 7.
Pin shaft 6, the pin shaft 6 have coaxial arrangement and overall processing 63, three optical axis sections 64 of molding four outer spline sections
With a limit knob section 61, the limit knob section 61 is embedded in third through-hole 42 and is slidably matched with third through-hole 42,
And it is limited in third through-hole 42, fourth hole 43, fifth hole 45 along the side of its own axial movement as pin shaft 6；Institute
The three optical axis sections 64 stated are mutually adapted with interior smooth fourth hole 43, so that when being unlocked to tool heads, tool
Head, which can change, to be turned freely, will not be stuck.Four outer spline sections 63 turn to hold internal splined hole mutual with changing for tool heads mechanism 7
Engagement adaptation, so that situations such as tool heads are in engagement stuck state, are not in sliding before unlock and after unlock.
Reset spring 5, the reset spring 5 are placed in third through-hole 42, and one end resists the interior of limit knob section 61
Side end face, the other end resist the peripheral end face of the outer spline section near it；
Tool heads mechanism 7 includes four in the present embodiment but is not limited to four, at least uses one.Each tool
Head 7 one end of mechanism turns end to change, and the other end is tool head end 9, and tool head end is screwed out or withdrawn, this implementation by changing to turn to hold
Tool head end 9 uses closed loop spanner in example.The end of convert is equipped with internal splined hole 8, the internal splined hole 8 and four on pin shaft 6
A outer spline section 63 is intermeshed adaptation one by one, and respectively changes to turn to hold and sequentially pass through each gap 44, and the pin shaft 6 by penetrating is successively
Engagement connection.
Nut cap 10 and screw 11, the nut cap 10 are placed in the second through-hole 3, and the screw 11 passes through nut cap 10 simultaneously
Fixed with the axis hole 66 of pin shaft outer end, the nut cap 10 is as pin shaft in third through-hole 42, fourth hole 43, fifth hole
It is limited in 45 along the other side of its own axial movement.
Embodiment 2
As Fig. 3, Fig. 4, Fig. 6 change rotation mechanism to a kind of multifunctional tool head shown in Fig. 10, comprising:
Mounting bracket 1, the mounting bracket 1 include a pair of symmetrically arranged side plate and bottom plate, one of side plate
Both ends, which are respectively equipped with, accommodates the first through hole 2 that U-shaped support 4 is installed, and the both ends of another side plate are respectively equipped with receiving nut cap
Second through-hole 3 of 10 installations.
In the present embodiment, the shape of first through hole 2 is consistent with the shape of U-shaped support 4 is accommodated, the shape of the second through-hole 3 with
The shape of nut cap 10 is consistent.
U-shaped support 4, be successively arranged on the U-shaped support 4 a placement reset spring of coaxial arrangement third through-hole 42,
The fifth hole 45 of smooth fourth hole 43 and end with internal splined hole in three, the adjacent third through-hole 42,
Between fourth hole 43, fifth hole 45 be equipped with accommodate tool heads mechanism 7 changing turn end across gap 44；In the present embodiment
There are four the tools of gap 44, consistent with the quantity of tool heads mechanism 7.
Pin shaft 6, the pin shaft 6 have coaxial arrangement and overall processing 63, three optical axis sections 64 of molding four outer spline sections
With a limit knob section 61, the limit knob section 61 is embedded in third through-hole 42 and is slidably matched with third through-hole 42,
And it is limited in third through-hole 42, fourth hole 43, fifth hole 45 along the side of its own axial movement as pin shaft 6；Institute
The three optical axis sections 64 stated are mutually adapted with interior smooth fourth hole 43, so that when being unlocked to tool heads, tool
Head, which can change, to be turned freely, will not be stuck.Four outer spline sections 63 turn to hold internal splined hole mutual with changing for tool heads mechanism 7
Engagement adaptation, so that situations such as tool heads are in engagement stuck state, are not in sliding before unlock and after unlock.
Reset spring 5, the reset spring 5 are placed in third through-hole 42, and one end resists the interior of limit knob section 61
Side end face, the other end resist the peripheral end face of the outer spline section near it；
Tool heads mechanism 7 includes four in the present embodiment but is not limited to four, at least uses one.Each tool
Head 7 one end of mechanism turns end to change, and the other end is tool head end 9, and tool head end is screwed out or withdrawn by changing to turn to hold, with implementation
Unlike example 1, tool head end 9 uses open-end wrench in the present embodiment.The end of convert is equipped with internal splined hole 8, the interior flower
Keyhole 8 is intermeshed one by one with four outer spline sections 63 on pin shaft 6 and is adapted to, and respectively changes to turn to hold and sequentially pass through each gap 44, and
Connection is successively engaged by the pin shaft 6 penetrated.
Nut cap 10 and screw 11, the nut cap 10 are placed in the second through-hole 3, and the screw 11 passes through nut cap 10 simultaneously
Fixed with the axis hole 66 of pin shaft outer end, the nut cap 10 is as pin shaft in third through-hole 42, fourth hole 43, fifth hole
It is limited in 45 along the other side of its own axial movement.
In the present invention, the particular number of tool heads mechanism is not limited, at least use one, or use two or two with
On.But the number of gaps on U-shaped support is consistent with the quantity of tool heads mechanism；The quantity and tool heads machine of outer spline section
The quantity of structure is consistent.
In addition, the type of the tool heads at both ends, length, size can be identical or not identical.That is, same
Type, length, the size of multiple tool heads of one end can be identical or not identical, and as the work between different ends
Have also in this way, type, length, size can be identical or not identical between head, can flexibly be selected with unrestricted choice.
Meanwhile the tool of the tool head end is not limited to open-end wrench employed in above-mentioned two embodiment, closed loop is pulled
Hand using one of other such as box socket sets, hammer, pincers fork or screwdriver or a variety of can also be combined flexibly
It uses.
Meanwhile in order to which the tool heads at both ends can freely withdraw simultaneously unaffected, the length of mounting bracket between each other
Greater than both ends tool heads mechanism length summation, not influence to withdraw between each other, as shown in Figure 5.
In the present invention, the internal diameter of the fourth hole is equal with the outer diameter of pin shaft glazing shaft part, to guarantee in tool heads solution
It can not be interfered by resistance when lock, flexible rotating.Simultaneously and the outer diameter of the pin shaft glazing shaft part is less than outer spline section outside circle
Diameter, outer spline section tip diameter is slightly larger than the diameter of smooth section, to prevent the tool heads under non-unlocked state from sliding,
Rotate tool heads only just can in the unlocked state.
In the present invention, the axial outer end of the third through-hole 42 is additionally provided with the annular groove being coaxially arranged 41, should
Annular groove 41 can just be fitted into the knob of limit knob section.
Preferably, the knob uses male type round end structure, and the feel of such user can be very gentle, while user
It may feel that propulsion is easier and smooth, reduces injury of the aperture plane to manpower, while beautiful shape.
In the present invention, low level annular is additionally provided between the immediate outer spline section of limit knob Duan Yuqi on the pin shaft
Slot 62, the low level annular groove 62 can smoothly be contained in unlocked in adjustment process repeatedly or between use state lower member it is opposite
The metal fragment that rotation, stress generate, avoids stuck, prolongs the service life, meanwhile, it can be used as the most interior of reset spring
The holding tank of ring.
Preferably, the reset spring uses taper bolt spring or disc spring.When using taper bolt spring, on the one hand,
The axial width of its entire spring under compression is smaller, is conducive to the U-shaped supporting stand size control for accommodating the spring, is ensuring
On the basis of intensity, U-shaped support thickness can be reduced；On the other hand, oval section volute spring is due to itself characteristic, smallest end
Internal diameter can deformation occurs under external force becomes larger, therefore, when selecting oval section volute spring, minimum diameter is unnecessary
Greater than the tip diameter of outer spline section, and then the maximum outside diameter of entire oval section volute spring is reduced, is conducive to further decrease U
The outer dimension of shape support.
Tool heads of the invention change rotation mechanism and specifically assemble as follows, are illustrated by taking the structure in embodiment 1 as an example.Into
Luggage timing utilizes reset spring 5 itself firstly, reset spring 5 is inserted in from outermost outer spline section to push-button
The elasticity having, so that reset spring 5 is inserted in the outside of pin shaft, and the small one end of 5 bore of reset spring is against limit knob section
Then U-shaped support 4 is fitted into first through hole 2 and is fixed by 61 inner end.Then each tool heads mechanism is respectively embedded into U-shaped
It, will be equipped with multiple in each gap on support 4, and after the internal splined hole in tool heads mechanism is aligned with each hole on U-shaped support 4
The pin shaft of position spring 5 is embedded in from third through-hole 42, and sequentially passes through fourth hole 43 and end smooth in three and have
Nut cap 10 is finally connected and fixed, at this time by the fifth hole 45 of internal splined hole by screw 11 and the outer end face axis hole 66 of pin shaft
Each outer spline section on pin shaft changes each internal splined hole for turning to hold with tool heads respectively and is meshed, and avoids tool heads by this engagement
It is relatively rotated between mechanism and U-shaped support, while the other end of reset spring 5 resists the outer peripheral end of the outer spline section near it
Face forms structure as shown in Figure 2 to complete whole assembly.
When in use, when the angle for needing to adjust tool heads or when screwing out tool heads, by the knob of lower limit knob section,
So that pin shaft is whole mobile to 45 direction of fifth hole under force, reset spring 5 also will receive extruding at this time, until pin
Each outer spline section on axis is detached from the tooth-shape structure of the internal splined hole in tool heads mechanism, i.e., under conversion to unlocked state, at this time
Tool heads tool head end is free to rotate, when required tool heads are adjusted to required angle, unclamps the knob of limit knob section,
Entire pin shaft resets under the action of the elasticity of reset spring 5 at this time, on each outer spline section on pin shaft and tool heads mechanism
Internal splined hole tooth-shape structure is meshed, and again transfers to locking state, adjusts and completes.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention
Any simple modification, equivalent change and modification to the above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of multifunctional tool head changes rotation mechanism, it is characterised in that: include:
Mounting bracket, the mounting bracket include a pair of symmetrically arranged side plate and bottom plate, the both ends of one of side plate
It is respectively equipped with the first through hole for accommodating the installation of U-shaped support, the both ends of another side plate, which are respectively equipped with, accommodates the of nut cap installation
Two through-holes；
U-shaped support, be successively arranged on the U-shaped support placement reset spring of coaxial arrangement third through-hole, at least one
Interior smooth fourth hole and end have the fifth hole of internal splined hole, the adjacent third through-hole, fourth hole, the
Between five through-holes be equipped with accommodate tool heads mechanism changing turn end across gap；
Pin shaft, the pin shaft have coaxial arrangement and the molding multiple outer spline sections of overall processing, optical axis section and a limit knob
Section is slidably matched in the described limit knob section insertion third through-hole and with third through-hole, and as pin shaft in third through-hole, the
It is limited in four through-holes, fifth hole along the side of its own axial movement；The optical axis section and interior smooth fourth hole phase
Mutually adaptation, the outer spline section turn to hold internal splined hole intermeshing to be adapted to changing for tool heads mechanism；
Reset spring, the reset spring are placed in third through-hole, and one end resists the inner side end of limit knob section, another
End resists the peripheral end face of the outer spline section near it；
Tool heads mechanism, including at least one, one end is to change to turn end, and the other end is tool head end, turns end for tool by changing
Head end is screwed out or is withdrawn；The end of convert is equipped with internal splined hole, which mutually nibbles with each outer spline section on pin shaft
Properly match；
Nut cap and screw, the nut cap are placed in the second through-hole, the screw pass through nut cap and with pin shaft outer end
Axis hole is fixed, and the nut cap is as pin shaft along the another of its own axial movement in third through-hole, fourth hole, fifth hole
Side limit.
2. a kind of multifunctional tool head according to claim 1 changes rotation mechanism, it is characterised in that: on the U-shaped support
Number of gaps is consistent with the quantity of tool heads mechanism；The quantity of outer spline section is consistent with the quantity of tool heads mechanism.
3. a kind of multifunctional tool head according to claim 1 changes rotation mechanism, it is characterised in that: the fourth hole it is interior
Diameter is equal with the outer diameter of pin shaft glazing shaft part, and the outer diameter of the pin shaft glazing shaft part is less than outer spline section tip diameter.
4. a kind of multifunctional tool head according to claim 1 changes rotation mechanism, it is characterised in that: the axis of the third through-hole
It is additionally provided with the annular groove being coaxially arranged outward, which can just be fitted into the knob of limit knob section.
5. a kind of multifunctional tool head according to claim 4 changes rotation mechanism, it is characterised in that: the knob uses evagination
Type round end structure.
6. a kind of multifunctional tool head according to claim 1 changes rotation mechanism, it is characterised in that: the limit on the pin shaft
Low level annular groove is additionally provided between the immediate outer spline section of knob Duan Yuqi.
7. a kind of multifunctional tool head according to claim 1 changes rotation mechanism, it is characterised in that: the length of the mounting bracket
Degree is greater than both ends tool heads mechanism length summation.
8. a kind of multifunctional tool head according to claim 1 changes rotation mechanism, it is characterised in that: the reset spring uses
Taper bolt spring or disc spring.
9. a kind of multifunctional tool head according to claim 1 changes rotation mechanism, it is characterised in that: in the tool heads mechanism
Tool head end type, length, size it is identical or not identical.
10. a kind of multifunctional tool head according to claim 1 changes rotation mechanism, it is characterised in that: the tool head end
Tool is using one of open-end wrench, closed loop spanner, box socket set, hammer, pincers fork or screwdriver or a variety of combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546647.9A CN109759981A (en) | 2018-12-18 | 2018-12-18 | A kind of multifunctional tool head changes rotation mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546647.9A CN109759981A (en) | 2018-12-18 | 2018-12-18 | A kind of multifunctional tool head changes rotation mechanism |
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| CN109759981A true CN109759981A (en) | 2019-05-17 |
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| CN201811546647.9A Pending CN109759981A (en) | 2018-12-18 | 2018-12-18 | A kind of multifunctional tool head changes rotation mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216614A (en) * | 2019-06-21 | 2019-09-10 | 江苏核电有限公司 | A kind of position feedback mechanism debugging apparatus and its adjustment method |
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| TWI396611B (en) * | 2011-05-05 | 2013-05-21 | jin qian Chen | Changeable operating angle wrench set |
| CN202462279U (en) * | 2011-07-21 | 2012-10-03 | 优钢机械股份有限公司 | Hand tool capable of adjusting swing angle |
| US8708312B2 (en) * | 2012-01-10 | 2014-04-29 | Rafal Stawarski | Pry bar |
| CN203792294U (en) * | 2014-02-25 | 2014-08-27 | 义成工厂股份有限公司 | Folding tool device with comfortable pressing mechanism |
| CN205057895U (en) * | 2015-10-09 | 2016-03-02 | 嘉兴永航汽车配件有限公司 | Foldable hexagonal spanner |
| CN105619346A (en) * | 2016-03-29 | 2016-06-01 | 南通天茂机械制造有限公司 | Structure capable of rotating and locking tool head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110216614A (en) * | 2019-06-21 | 2019-09-10 | 江苏核电有限公司 | A kind of position feedback mechanism debugging apparatus and its adjustment method |
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Application publication date: 20190517 |
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