CN208929334U - A kind of positioning pin trigger architecture for electric circular saw - Google Patents
A kind of positioning pin trigger architecture for electric circular saw Download PDFInfo
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- CN208929334U CN208929334U CN201821400173.2U CN201821400173U CN208929334U CN 208929334 U CN208929334 U CN 208929334U CN 201821400173 U CN201821400173 U CN 201821400173U CN 208929334 U CN208929334 U CN 208929334U
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- positioning pin
- block
- linkage
- rotating connector
- handle
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Abstract
The utility model discloses a kind of positioning pin trigger architectures for electric circular saw, including handle, trigger, positioning pin, handle is additionally provided with through hole, and the first rotating fulcrum and the second rotating fulcrum are respectively equipped in handle, linkage block is rotatably connected on first rotating fulcrum, trigger is fixedly connected with linkage block;Rotating connector is rotatably connected on second rotating fulcrum, one end and the linkage block of rotating connector are linked, and rotating connector rotation direction is vertical with linkage block rotation direction;Spring is equipped between positioning pin and handle inner wall, the other end and the positioning pin of rotating connector are linked, and rotating connector is opposite with force direction of the spring to positioning pin to the force direction of positioning pin.The utility model has the following advantages that and effect: positioning pin trigger architecture makes positioning pin conveniently realize locking and unlocking by the mutual linkage between linkage block and rotating connector;Positioning pin trigger architecture is simpler, easy to operate, and cost is relatively low.
Description
Technical field
The utility model relates to electric circular saw field, in particular to a kind of positioning pin trigger architecture for electric circular saw.
Background technique
Electric circular saw is one kind using single phase series motor as power, then drives saw blade to carry out sawing work by transmission mechanism
The tool of industry is suitable for carrying out sawing action to timber, fiberboard, plastics and flexible cable and similar material.Electric circular saw uses
Carry climbing formula contour structures, mainly by motor, reduction gearbox, shield, regulating mechanism and bottom plate, handle, switch, can not reclosing insert
Head, saw blade composition, saw blade are located in shield.When using electric circular saw, electric circular saw is placed on plate to be cut, so
After start motor, regulation handle cuts plate by saw blade.
It is provided with motor switch, trigger and push button on the handle of usual electric circular saw, positioning pin is additionally provided with, is set on shield
It is equipped with the location hole for positioning pin grafting, positioning pin, which can be used for being located at the position in shield to saw blade, to be positioned, general logical
It crosses and pulls trigger the locking and unlock of positioning pin may be implemented.When positioning pin is plugged in positioning hole, that is, realize positioning pin
It locks, at this time replaceable saw blade;When positioning pin is detached from location hole, that is, realize the unlock of positioning pin, handle can be prevented relatively at this time
Shield rotation.
But the positioning pin trigger architecture of above-mentioned electric circular saw has the disadvantage in that the trigger architecture setting of positioning pin is more multiple
Miscellaneous, installation personnel is more inconvenient during installation, in maintenance there is also certain difficulty, and the trigger architecture production of positioning pin at
This is also higher.
Utility model content
The purpose of the utility model is to provide a kind of positioning pin trigger architectures for electric circular saw, have structure simple, peace
Dress person is easily installed and lower-cost effect.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of for electric circular saw
Positioning pin trigger architecture, including handle, the trigger being set on handle, the positioning pin for being set to handle inner, handle is also set up
There is the through hole for stretching out handle outer for positioning pin, the first rotating fulcrum and the second rotation branch are respectively arranged in handle
Point is rotatably connected to linkage block on the first rotating fulcrum, and trigger is fixedly connected with linkage block, by trigger driving linkage block relative to
Handle rotation;Rotating connector is rotatably connected on second rotating fulcrum, one end and the linkage block of rotating connector are linked,
It is rotated by linkage block driving rotating connector relative to handle, and rotating connector rotation direction and linkage block rotation direction are hung down
Directly;Spring is provided between positioning pin and handle inner wall, spring has the movement for stretching out in through hole for making positioning pin always
Trend, the other end and the positioning pin of rotating connector are linked, and rotating connector is to the force direction and bullet of positioning pin
Spring is opposite to the force direction of positioning pin.
By using above-mentioned technical proposal, when locking to positioning pin, trigger is first pulled, makes it to separate handle
Direction movement, linkage block rotate around the first rotating fulcrum under the drive of trigger, make gradually to produce between linkage block and rotating connector
Raw gap.Positioning pin gradually moves into through hole under the action of the spring and projects through hole, while positioning pin drives rotation
The lower end of connector is moved to the direction close to through hole, since rotating connector can be rotated around the second rotating fulcrum, so working as
To when moving close to through hole, the upper end of rotating connector is moved to the direction far from through hole for rotating connector lower end, until
Gap disappears and rotating connector and linkage block are inconsistent again.Rotational handle, when positioning pin is directed at location hole, positioning pin
It is plugged in location hole, positioning pin can be locked under the action of the spring.In this way, the trigger architecture of positioning pin is simpler
Single, no matter user is more convenient in installation, use or maintenance, and also has lower-cost effect.Trigger is resetted,
Trigger drives linkage block to slide along rotating connector, moves rotating connector upper end to the direction close to through hole, and rotation connects
When fitting is rotated around the second rotating fulcrum, rotating connector lower end is moved to the direction far from through hole, while driving positioning pin
It is moved to the direction far from through hole, positioning pin can be detached from from location hole, realize the unlock of positioning pin.
The utility model is further arranged to: one end of rotating connector is provided with linkage inclined-plane, and linkage block contacts at
Link inclined-plane, and linkage block drives rotating connector rotation by linkage inclined-plane.
By using above-mentioned technical proposal, when linkage block rotation, linkage block makes rotating connector along the sliding of linkage inclined-plane
It is rotated under the guiding role on linkage inclined-plane around the second rotating fulcrum.
The utility model is further arranged to: when linkage block is moved along linkage inclined-plane towards close to the second rotating fulcrum direction
When, rotating connector is gradually reduced the active force of positioning pin;When linkage block tiltedly faces away from the second rotating fulcrum side along linkage
To when movement, rotating connector is gradually increased the active force of positioning pin.
It is linking by using above-mentioned technical proposal when linkage block rotates counterclockwise around the first rotating fulcrum
Under the guiding role on inclined-plane, the upper end of rotating connector is gradually moved to the direction far from through hole, at this point, positioning pin is in spring
Under the action of it is extended in through hole;When linkage block is around the first rotating fulcrum spinning reduction clockwise, equally joining
Under the guiding role on dynamic inclined-plane, the upper end of rotating connector is gradually moved to the direction close to through hole, at this point, positioning pin by
The thrust of rotating connector, to overcome in the elastic force of spring and retraction through hole.
The utility model is further arranged to: positioning pin is provided with block, and one end and the rotating connector of block offset
Touching, the other end and spring of block are inconsistent.
By using above-mentioned technical proposal, when being moved when the lower end of rotating connector to the direction far from through hole, due to
It is inconsistent with block, can make it through block and positioning pin is driven to move to the direction far from through hole;When positioning pin is in spring
Driving effect under when being moved into through hole, block can drive rotating connector lower end close to through hole together, thus real
Now link.
The utility model is further arranged to: the drive block matched on rotating connector with block.
By using above-mentioned technical proposal, when rotating connector lower end far from through hole to when moving, drive block can be with gear
Block, which matches, drives positioning pin to move together to the direction far from through hole.
The utility model is further arranged to: the embedded groove for positioning pin activity insertion is offered on drive block.
By using above-mentioned technical proposal, after positioning pin is in embedded groove, positioning pin is driven to pass through to separate in drive block
When the direction movement of perforation, the contact area between rotating connector and block is larger, keeps block stress more uniform, and positioning pin is being transported
Crooked phenomenon is not susceptible to when dynamic.
The utility model is further arranged to: rotating connector is integrally in inverted L-shaped.
By using above-mentioned technical proposal, it is L shape by rotating connector whole installation, had both reduced accounting for for rotating connector
With space, moreover it is possible to realize better simply linkage between linkage block.
The utility model is further arranged to: the central axis upright of the second rotating fulcrum is in the central axis of positioning pin
Line.
By using above-mentioned technical proposal, since the central axis of the second rotating fulcrum and the central axis of positioning pin hang down
Directly, when rotating connector is rotated around the second rotating fulcrum, positioning pin can be driven to protrude into just or far from through hole.
In conclusion the utility model has the following beneficial effects: positioning pin trigger architecture is connected by linkage block and rotation
Mutual linkage between fitting, can make positioning pin conveniently realize locking and unlocking;Positioning pin trigger architecture is simpler, user
It is no matter all more convenient in installation, use or maintenance, but also have the effect of lower production costs.
Detailed description of the invention
Fig. 1 is the handle inner structural schematic diagram of embodiment.
Fig. 2 is the structural relation schematic diagram of the locking structure of the handle inner of embodiment.
In figure: 1, handle;11, trigger;12, through hole;2, positioning pin;21, block;3, the first rotating fulcrum;31, it links
Block;4, the second rotating fulcrum;41, rotating connector;411, link inclined-plane;412, drive block;413, embedded groove;5, spring.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.For ease of description, following "upper", "lower",
" clockwise ", " counterclockwise " are consistent with the direction of attached drawing.
A kind of positioning pin trigger architecture for electric circular saw is provided on handle 1 as depicted in figs. 1 and 2, including handle 1
Trigger 11 is also provided with through hole 12 in handle 1, positioning pin 2 is equipped in through hole 12, after positioning pin 2 passes through through hole 12
One end can be located at outside handle 1.When in use, trigger 11 only need to be rotated, the locking and unlocking of positioning pin 2 can be realized.
As depicted in figs. 1 and 2, the first rotating fulcrum 3, the second rotating fulcrum 4, the second rotating fulcrum 4 are provided in handle 1
Central axis upright in being rotatably connected to linkage block 31 on the central axis of positioning pin 2, the first rotating fulcrum 3,11 turns of trigger
It is dynamic to be connected on the first rotating fulcrum 3 and be fixedly connected with linkage block 31, rotation connection is rotatably connected on the second rotating fulcrum 4
Part 41,41 rotation direction of rotating connector are vertical with 31 rotation direction of linkage block;2 side wall of positioning pin is provided with the block of annular
21, one end of positioning pin 2 is also arranged with spring 5, and spring 5 is used to that positioning pin 2 to be driven to move to the direction close to through hole 12, bullet
One end of spring 5 contacts at block 21, and the other end of spring 5 is closely against 1 inner wall of handle;The upper end of rotating connector 41 is provided with connection
Dynamic inclined-plane 411, linkage block 31 contact at linkage inclined-plane 411, and linkage block 31 drives 41 turns of rotating connector by linkage inclined-plane 411
Dynamic, the distance on the inclined-plane 411 that links close to one end of the second rotating fulcrum 4 to its opposite face is less than far from the second rotating fulcrum 4
One end to its opposite face distance, when linkage block 31 along linkage inclined-plane 411 towards close to 4 direction of the second rotating fulcrum move when,
Rotating connector 41 is gradually reduced the active force of positioning pin 2;When linkage block 31 rotates branch towards far from second along linkage inclined-plane 411
When the movement of 4 directions of point, rotating connector 41 is gradually increased the active force of positioning pin 2.The lower end of rotating connector 41 is provided with
The drive block 412 matched with block 21 offers the embedded groove 413 being embedded in for positioning pin 2 on drive block 412, when positioning pin 2
After in embedded groove 413, block 21 and drive block 412 are inconsistent, can drive under block 21 and the mating reaction of drive block 412
Positioning pin 2 is moved to the direction far from through hole 12.
When locking to positioning pin 2, trigger 11 is first pulled counterclockwise, moves it to the direction far from handle 1,
Meanwhile linkage block 31 under the drive of trigger 11 around the first rotating fulcrum 3 rotate, when linkage block 31 around the first rotating fulcrum 3 to
When rotating counterclockwise, linkage block 31 gradually generates gap between linkage inclined-plane 411, at this point, work of the positioning pin 2 in spring 5
Through hole 12 can be stretched out under, while block 21 is by pushing drive block 412 to pass through 41 lower end of rotating connector to close
The direction movement of perforation 12, since rotating connector 41 can be rotated around the second rotating fulcrum 4, the upper end of rotating connector 41
It is gradually moved to the direction far from through hole 12, until gap disappears and the inclined-plane 411 that links offsets again with linkage block 31.Turn
Fixed handle 1, when positioning pin 2 is directed at location hole, positioning pin 2 is plugged in location hole under the action of spring 5, can be to positioning
Pin 2 is locked.The trigger architecture of positioning pin 2 is simpler, and no matter user is more convenient in installation, use or maintenance,
And also there is lower-cost effect.
When positioning pin 2 unlocks, trigger 11 is resetted, trigger 11 drives linkage block 31 along linkage inclined-plane 411 to clockwise
Direction sliding, moves 41 upper end of rotating connector to the direction close to through hole 12, and rotating connector 41 is around the second rotation branch
When 4 rotation of point, 41 lower end of rotating connector is moved to the direction far from through hole 12, at this point, institute's positioning pin 2 is rotatablely connected
The thrust of part 41, to overcome the elastic force and retraction institute through hole 12 of spring 5, positioning pin 2 can be detached from from location hole, be realized
The unlock of positioning pin 2.
For positioning pin 2 in embedded groove 413, the contact area between rotating connector 41 and block 21 is larger, makes block 21
Stress is more uniform, and positioning pin 2 is not susceptible to crooked phenomenon when moving in through hole 12, can make the matching relationship of both more
Add stabilization.
As shown in Figure 1, it is in inverted L-shaped that rotating connector 41 is whole, linkage inclined-plane 411 is set to the shorter one side of L shape.It will turn
41 whole installation of follower link be L shape, both reduced the occupied space of rotating connector 41, moreover it is possible between linkage block 31 realize compared with
Simple linkage.
The basic functional principle of the utility model are as follows: when positioning pin 2 locks, first pull trigger 11, make it to far from handle 1
Direction movement, linkage block 31 under the drive of trigger 11 around the first rotating fulcrum 3 rotate, make linkage block 31 and rotating connector
Gap is generated between 41.Positioning pin 2 gradually moves into through hole 12 under the action of spring 5 and projects through hole 12, fixed simultaneously
Position pin 2 drives the lower end of rotating connector 41 to move to the direction close to through hole 12, since rotating connector 41 can be around second
Rotating fulcrum 4 rotates, so when 41 lower end of rotating connector close to through hole 12 to when moving, the upper end of rotating connector 41 to
Direction far from through hole 12 moves, until gap disappears and the inclined-plane 411 that links is inconsistent again with linkage block 31.Rotate hand
Handle 1, when positioning pin 2 is directed at location hole, positioning pin 2 is plugged in location hole under the action of spring 5, can be to positioning pin 2
It is locked.In this way, the trigger architecture of positioning pin 2 is simpler, no matter user is relatively more square in installation, use or maintenance
Just, and also there is lower-cost effect.Trigger 11 is resetted, trigger 11 drives linkage block 31 to slide along rotating connector 41,
Move 41 upper end of rotating connector to the direction close to through hole 12, when rotating connector 41 is rotated around the second rotating fulcrum 4,
41 lower end of rotating connector is moved to the direction far from through hole 12, while driving positioning pin 2 to the direction far from through hole 12
Movement, positioning pin 2 can be detached from from location hole, realize the unlock of positioning pin 2.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (8)
1. a kind of positioning pin trigger architecture for electric circular saw, including handle (1), the trigger being set on the handle (1)
(11), it is set to the internal positioning pin (2) of the handle (1), the handle (1) is additionally provided with for supplying the positioning pin (2)
Stretch out the external through hole (12) of the handle (1), it is characterised in that: be respectively arranged with the first rotation branch in the handle (1)
Point (3) and the second rotating fulcrum (4) are rotatably connected to linkage block (31) on first rotating fulcrum (3), the trigger (11)
It is fixedly connected with the linkage block (31), drives the linkage block (31) to turn relative to the handle (1) by the trigger (11)
It is dynamic;It is rotatably connected to rotating connector (41) on second rotating fulcrum (4), one end of the rotating connector (41) and institute
It states linkage block (31) to be linked, drives the rotating connector (41) relative to the handle (1) by the linkage block (31)
Rotation, and the rotating connector (41) rotation direction is vertical with the linkage block (31) rotation direction;The positioning pin (2) with
It is provided with spring (5) between handle (1) inner wall, the spring (5) stretches out in for having the positioning pin (2) always
The movement tendency of the through hole (12), the other end and the positioning pin (2) of the rotating connector (41) are linked, and
The rotating connector (41) is to the force direction of the positioning pin (2) with the spring (5) to the work of the positioning pin (2)
Power thrusts are opposite.
2. a kind of positioning pin trigger architecture for electric circular saw according to claim 1, it is characterised in that: the rotation connects
One end of fitting (41) is provided with linkage inclined-plane (411), and the linkage block (31) contacts at the linkage inclined-plane (411), described
Linkage block (31) drives rotating connector (41) rotation by the linkage inclined-plane (411).
3. a kind of positioning pin trigger architecture for electric circular saw according to claim 2, it is characterised in that: when the linkage
When block (31) is moved along the linkage inclined-plane (411) towards close second rotating fulcrum (4) direction, the rotating connector
(41) active force of the positioning pin (2) is gradually reduced;When the linkage block (31) along the linkage inclined-plane (411) towards separate
When second rotating fulcrum (4) direction moves, the rotating connector (41) gradually increases the active force of the positioning pin (2)
Greatly.
4. a kind of positioning pin trigger architecture for electric circular saw according to claim 1, it is characterised in that: the positioning pin
(2) it is provided with block (21), one end of the block (21) and the rotating connector (41) are inconsistent, the block (21)
The other end and the spring (5) it is inconsistent.
5. a kind of positioning pin trigger architecture for electric circular saw according to claim 4, it is characterised in that: the rotation connects
The drive block (412) matched with the block (21) is provided on fitting (41).
6. a kind of positioning pin trigger architecture for electric circular saw according to claim 5, it is characterised in that: the drive block
(412) embedded groove (413) for the positioning pin (2) activity insertion is offered on.
7. a kind of positioning pin trigger architecture for electric circular saw according to claim 2, it is characterised in that: the rotation connects
Fitting (41) is integrally in inverted L-shaped.
8. a kind of positioning pin trigger architecture for electric circular saw according to claim 1, it is characterised in that: described second turn
The central axis upright of activity supporting point (4) is in the central axis of the positioning pin (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821400173.2U CN208929334U (en) | 2018-08-29 | 2018-08-29 | A kind of positioning pin trigger architecture for electric circular saw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821400173.2U CN208929334U (en) | 2018-08-29 | 2018-08-29 | A kind of positioning pin trigger architecture for electric circular saw |
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Publication Number | Publication Date |
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CN208929334U true CN208929334U (en) | 2019-06-04 |
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ID=66719111
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CN201821400173.2U Active CN208929334U (en) | 2018-08-29 | 2018-08-29 | A kind of positioning pin trigger architecture for electric circular saw |
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CN (1) | CN208929334U (en) |
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2018
- 2018-08-29 CN CN201821400173.2U patent/CN208929334U/en active Active
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