CN208929333U - A kind of motor switch trigger architecture of electric circular saw - Google Patents

Abstract

The utility model discloses a kind of motor switch trigger architectures of electric circular saw, the motor switch including handle and on handle, further include the trigger and push button being respectively arranged on handle, and handle inner is equipped with the first linkage mechanism, the second linkage mechanism；First linkage mechanism includes the first rotating connector, and the first rotating connector and handle are rotatablely connected, and trigger drives the first rotating connector to rotate relative to handle, and the first rotating connector is equipped with the first clamping block；Second linkage mechanism includes the second rotating connector, and the second rotating connector and handle are rotatablely connected, and push button drives the second rotating connector to rotate relative to handle, and the second clamping block with motor switch lock fit is provided on the second rotating connector.The utility model has the following advantages that and effect: using dual trigger mechanism, safety when replacement saw blade can be improved, and easier in operation；Handle surfaces setting embedded groove can play positioning action to spanner to a certain extent.

Description

A kind of motor switch trigger architecture of electric circular saw

Technical field

The utility model relates to electric circular saw field, in particular to the motor switch trigger architecture of a kind of 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.When using electric circular saw, electric circular saw is placed on plate to be cut, motor is then started, adjusted Handle cuts plate by saw blade.

The Chinese patent of existing Patent No. CN10474205A discloses a kind of electric circular saw, including power switch, fuselage, The saw blade that is installed on fuselage and the shield for being set to saw blade periphery, electric circular saw further includes control switch, the first linkage mechanism And second linkage mechanism, control switch are installed on fuselage, and the first linkage mechanism is connected to control switch and power switch, and Two linkage mechanisms are connected to the control switch and shield, open or close by the first linkage mechanism when control switch acts Shield is closed, control switch passes through the second linkage mechanism simultaneously and opens or closes power switch.

But above-mentioned electric circular saw has the disadvantage in that the opening and closing of power switch is only controlled by control switch, and user is using When, the cutting that control switch can be achieved with electric circular saw to plate only need to be opened, it, may be because but when user lays up Control switch is opened for maloperation, to cause to damage to plate, especially when replacing saw blade, if user is to electric circular saw Carry out maloperation, it is likely that human body can be hurt, have the shortcomings that safety is lower.

Utility model content

The purpose of the utility model is to provide a kind of motor switch trigger architectures of electric circular saw, have the higher effect of safety Fruit.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of motor of electric circular saw Switch triggering structure, including handle and the motor switch being set on handle, further include the trigger that is respectively arranged on handle and Push button, handle inner are provided with and the first linkage mechanism of trigger cooperation, the second linkage mechanism with push button cooperation；First linkage Mechanism includes the first rotating connector, and the first rotating connector and handle are rotatablely connected, and trigger drives the first rotating connector phase Handle is rotated, the first clamping block with motor switch lock fit is provided on the first rotating connector；Second gear Structure includes the second rotating connector, and the second rotating connector and handle are rotatablely connected, and push button drives the second rotating connector opposite It is rotated in handle, the second clamping block with motor switch lock fit is provided on the second rotating connector.

By using above-mentioned technical proposal, in the condition of normal use, trigger is against on handle, at this time the first clamping block Opposite motor switch is in the unlocked state.When starting motor switch, also need to push up push button along handle, the movement of push button It drives the second rotating connector to rotate, when the rotation of the second rotating connector, the second clamping block is driven to move up, realized to electricity The unlock of machine switch.Only after the first clamping block and the second clamping block no longer play barrier effect to motor switch, to handle Interior pressing motor switch, motor switch can just make electric motor starting.When needing replacing saw blade, trigger is pulled to far from handle orientations Dynamic, trigger linkage the first rotating connector rotation drives the first clamping block to move, makes the first lock after the rotation of the first rotating connector Determine block to lock close to motor switch and to motor switch, even if pushing push button at this time, can not also motor switch be made to start, such as This has the function of double insurance, and a possibility that damaging due to maloperation can be being reduced on certain probability, has safety Effect high, easy to operate.

The utility model is further arranged to: being provided with the first rotating fulcrum in handle, is rotated on the first rotating fulcrum It is connected with linkage block, trigger is fixedly connected on linkage block, and linkage block is linked with the first rotating connector.

By using above-mentioned technical proposal, after rotating trigger, trigger drives linkage block to rotate around the first rotating fulcrum, works as connection When motion block rotates, the rotation of the first rotating connector is driven.

The utility model is further arranged to: the second rotating fulcrum, the rotation of the first rotating connector are provided in handle It is connected on the second rotating fulcrum；Linkage hole is offered in linkage block, the first rotating connector is arranged close to one end of linkage block Universal driving shaft, universal driving shaft protrude into linkage hole, and linkage block is linked by linkage hole with universal driving shaft.

By using above-mentioned technical proposal, when linkage block is rotated around the first rotating fulcrum, by between universal driving shaft and linkage hole Be linked, the first rotating connector can be driven to rotate around the second rotating fulcrum.

The utility model is further arranged to: the second rotating fulcrum is set to the middle part of the first rotating connector, and first Clamping block is set to one end in the first STATEMENT OF FEDERALLY SPONSORED close to motor switch.

By using above-mentioned technical proposal, when the first rotating connector under the action of linkage block around the second rotating fulcrum to When rotating counterclockwise, one end on the second rotating connector close to linkage block is moved downward, and is leaned on the second rotating connector One end of nearly motor switch moves upwards, and the rotation of the second rotating connector drives the second clamping block to realize motor switch and solves Lock.

The utility model is further arranged to: drive block is provided on push button, the second rotating connector and drive block join Dynamic cooperation.

By using above-mentioned technical proposal, when push button pushes up, drive block is transported upwards simultaneously under the drive of push button It is dynamic, and the second rotating connector is driven to move counterclockwise around the second rotating fulcrum.

The utility model is further arranged to: the guide pad with the sliding cooperation of the second clamping block is provided in handle.

By using above-mentioned technical proposal, the second clamping block is transported downwards under the drive of the second rotating connector along guide pad It moves, it can be achieved that motor switch is locked.

The utility model is further arranged to: the upper end of the second clamping block offers connecting hole, the second rotating connector On be provided with connecting shaft, connecting shaft protrudes into connecting hole, and the second rotating connector is linked by connecting shaft and the second clamping block matches Close, the lower end of the second clamping block pass through after guide pad with motor switch lock fit.

By using above-mentioned technical proposal, by the cooperation of connecting hole and connecting shaft, the second clamping block and the second rotation connect Fitting is flexibly connected, and after the second clamping block is moved downward along guide pad and its lower end passes through guide pad, the second clamping block can Motor switch is locked.

The utility model is further arranged to: handle surfaces offer the embedded groove for trigger insertion.

By using above-mentioned technical proposal, trigger is rotated, after being embedded in it in embedded groove, it is fixed to play to a certain extent The effect of position, trigger do not rotate arbitrarily further around the first rotating fulcrum.

The utility model is further arranged to: after trigger is in embedded groove, the first rotating connector linkage first Clamping block unlocks the first clamping block to motor switch.

By using above-mentioned technical proposal, when trigger is in embedded groove, trigger drives linkage block around the first rotation branch Point clockwise movement, under the linkage effect of linkage block, the first rotating connector rotates counterclockwise around the second rotating fulcrum, makes the One clamping block no longer locks motor switch.

The utility model is further arranged to: rotation axis is provided in handle, one end of motor switch is rotationally connected with In rotation axis.

By using above-mentioned technical proposal, when pressing motor switch, motor switch can be rotated around rotation axis into handle.

In conclusion the utility model has the following beneficial effects: motor switch can be improved more using dual trigger mechanism Safety when saw blade is changed, and easier in operation；Handle surfaces setting embedded groove can to a certain extent play spanner Positioning action.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of embodiment.

Fig. 2 is the positional diagram in embodiment between the first rotating connector, the second rotating connector.

Fig. 3 is the second rotating connector of embodiment and the connection relationship diagram of the second clamping block.

In figure: 1, handle；11, motor switch；12, push button；121, drive block；13, trigger；131, circular trough；14, it is embedded in Slot；15, guide pad；16, rotation axis；2, the first rotating fulcrum；3, linkage block；31, linkage hole；4, the second rotating fulcrum；5, One rotating connector；51, the first clamping block；52, universal driving shaft；6, third rotating fulcrum；7, the second rotating connector；71, it connects Axis；8, the second clamping block；81, connecting hole.

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 direction described in attached drawing.

A kind of motor switch trigger architecture of electric circular saw is provided with motor on handle 1 and opens as shown in Figure 1, including handle 1 Close 11, push button 12 and trigger 13.When in use, trigger 13 is pulled, push button 12 is pushed, then presses motor switch 11 into handle 1, Electric motor starting can be driven, cut saw blade to plate, pass through the adjustable angle saw blade cutting plate material of regulation handle 1 Depth.

As shown in Figure 1, handle 1 is internally provided with the first rotating fulcrum 2, linkage is rotatably connected on the first rotating fulcrum 2 Block 3, trigger 13 are rotationally connected on the first rotating fulcrum 2 and are fixedly connected with linkage block 3, and the surface outside handle 1 offers For the embedded groove 14 that trigger 13 is embedded in, trigger 13 is located in embedded groove 14, can play the role of positioning, trigger to a certain extent 13 further around the first arbitrarily rotation of rotating fulcrum 2；The one end of trigger 13 far from the first rotating fulcrum 2 is U-shaped, and on trigger 13 U-shaped two sides symmetrically offer circular trough 131.When pulling trigger 13, finger can be placed in circular trough 131, It can play the role of to a certain extent anti-skidding, and circular trough 131 is just contacted with the shape of trigger 13 with finger and matches, and improves Comfort level when gripping, one end are set as U-shaped convenient for holding trigger 13, so as to facilitate the rotation of trigger 13.

As shown in Fig. 2, offering linkage hole 31 in linkage block 3, it is in circular arc that linkage hole 31 is circumferential along the first rotating fulcrum 2 Shape；It is additionally provided with the second rotating fulcrum 4 inside handle 1, the first rotating connector 5 is rotatably connected on the second rotating fulcrum 4, and Second rotating fulcrum 4 is located at the middle part of the first rotating connector 5, and the first rotating connector 5 is arranged close to 11 one end of motor switch There is the first clamping block 51, the first rotating connector 5 is provided with the universal driving shaft for being arranged in linkage hole 31 close to one end of linkage block 3 52, universal driving shaft 52 protrudes into linkage hole 31, and linkage block 3 is linked by hole 31 of linking with universal driving shaft 52.

Trigger 13 is rotated clockwise around the first rotating fulcrum 2 until being embedded in embedded groove 14, the band when trigger 13 rotates Dynamic 3 synchronous rotary of linkage block, linkage hole 31 drive the first rotating connector 5 close to one end of linkage block 3 to counterclockwise movement；? Under the action of second rotating fulcrum 4, the first rotating connector 5, also to counterclockwise movement, makes close to one end of motor switch 11 One clamping block 51 no longer plays the role of keeping out far from motor switch 11 to motor switch 11.

As shown in Figures 2 and 3, it is additionally provided with third rotating fulcrum 6 in handle 1, is rotatably connected on third rotating fulcrum 6 Second rotating connector 7, one end of the second rotating connector 7 contact at push button 12, and drive block 121 is provided on push button 12, drive Motion block 121 drives the second rotating connector 7 to rotate around third rotating fulcrum 6；Connecting shaft is provided on second rotating connector 7 71, it is rotationally connected with the second clamping block 8 of connecting shaft 71,8 top of the second clamping block offers connecting hole 81, and connecting shaft 71 protrudes into In connecting hole 81, the second rotating connector 7 is linked by connecting shaft 71 with the second clamping block 8；It is provided in handle 1 and the Two clamping blocks 8 sliding cooperation guide pad 15, when under drive of second clamping block 8 in the second rotating connector 7 along guide pad 15 When moving downward, motor switch 11 can be locked.

Push button 12 is pushed up along handle 1, the drive block 121 being set on push button 12 drives the second rotating connector 7 to support It touches and is moved counterclockwise in one end of push button 12 around third rotating fulcrum 6, at this point, being rotationally connected with the second rotating connector The second clamping block 8 on 7 is moved up with the second rotating connector 7 along guide pad 15, can be realized after separate motor switch 11 to electricity The unlock of machine switch 11.

As shown in Figure 1, being provided with rotation axis 16 in handle 1, motor switch 11 is rotationally connected in rotation axis 16, works as pressing When motor switch 11, motor switch 11 will be rotated around rotation axis 16 into handle 1.

The basic functional principle of the utility model are as follows: in the condition of normal use, trigger 13 is against on handle 1, at this time The opposite motor switch 11 of first clamping block 51 is in the unlocked state.When starting motor switch 11, also need push button 12 along handle 1 It pushes up, the movement of push button 12 drives the rotation of the second rotating connector 7, when the rotation of the second rotating connector 7, drives second Clamping block 8 moves up, and realizes the unlock to motor switch 11.Only when the first clamping block 51 and the second clamping block 8 no longer After playing barrier effect to motor switch 11, motor switch 11 is pressed into handle 1, motor switch 11 can just make electric motor starting.When When needing replacing saw blade, trigger 13 is pulled to far from 1 direction of handle, linkage the first rotating connector 5 rotation of trigger 13, first Rotating connector 5 drives the first clamping block 51 to move after rotating, make the first clamping block 51 close to motor switch 11 and open motor It closes 11 to be locked, even if pushing push button 12 at this time, motor switch 11 can not also started, so with the work of double insurance With a possibility that damaging due to maloperation can be being reduced on certain probability, with high security, effect easily to operate.

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 (10)

1. the motor switch trigger architecture of a kind of electric circular saw, including handle (1) and the motor switch being set on the handle (1) (11), it is characterised in that: further include the trigger (13) and push button (12) being respectively arranged on the handle (1), the handle (1) It is internally provided with and first linkage mechanism of the trigger (13) cooperation, the second linkage mechanism with the push button (12) cooperation； First linkage mechanism includes the first rotating connector (5), and first rotating connector (5) and the handle (1) rotate Connection, the trigger (13) drive first rotating connector (5) to rotate relative to the handle (1), first rotation The first clamping block (51) with the motor switch (11) lock fit is provided on connector (5)；Second linkage mechanism Including the second rotating connector (7), second rotating connector (7) and the handle (1) are rotatablely connected, the push button (12) It drives second rotating connector (7) to rotate relative to the handle (1), is provided on second rotating connector (7) With second clamping block (8) of the motor switch (11) lock fit.

2. a kind of motor switch trigger architecture of electric circular saw according to claim 1, it is characterised in that: the handle (1) It is inside provided with the first rotating fulcrum (2), is rotatably connected to linkage block (3) on first rotating fulcrum (2), the trigger (13) It is fixedly connected on the linkage block (3), the linkage block (3) is linked with first rotating connector (5).

3. a kind of motor switch trigger architecture of electric circular saw according to claim 2, it is characterised in that: the handle (1) It is inside provided with the second rotating fulcrum (4), first rotating connector (5) is rotationally connected on second rotating fulcrum (4)； Linkage hole (31), the one end of first rotating connector (5) close to the linkage block (3) are offered on the linkage block (3) It is arranged universal driving shaft (52), the universal driving shaft (52) is protruded into the linkage hole (31), and the linkage block (3) passes through the linkage hole (31) it is linked with the universal driving shaft (52).

4. a kind of motor switch trigger architecture of electric circular saw according to claim 3, it is characterised in that: second rotation Fulcrum (4) is set to the middle part of first rotating connector (5), and first clamping block (51) is set to first rotation Close to the one end of the motor switch (11) on connector (5).

5. a kind of motor switch trigger architecture of electric circular saw according to claim 1, it is characterised in that: the push button (12) On be provided with drive block (121), second rotating connector (7) is linked with the drive block (121).

6. a kind of motor switch trigger architecture of electric circular saw according to claim 1, it is characterised in that: the handle (1) Inside it is provided with the guide pad (15) with second clamping block (8) sliding cooperation.

7. a kind of motor switch trigger architecture of electric circular saw according to claim 6, it is characterised in that: second locking The upper end of block (8) offers connecting hole (81), is provided with connecting shaft (71), the connection on second rotating connector (7) Axis (71) protrudes into the connecting hole (81), and second rotating connector (7) passes through the connecting shaft (71) and described second Clamping block (8) is linked, the lower end of second clamping block (8) pass through the guide pad (15) afterwards with the motor switch (11) lock fit.

8. a kind of motor switch trigger architecture of electric circular saw according to claim 1, it is characterised in that: the handle (1) Surface offers the embedded groove (14) for the trigger (13) insertion.

9. a kind of motor switch trigger architecture of electric circular saw according to claim 8, it is characterised in that: when the trigger (13) after in the embedded groove (14), the first rotating connector (5) linkage first clamping block (51) makes first Clamping block unlocks the motor switch (11).

10. a kind of motor switch trigger architecture of electric circular saw according to claim 1, it is characterised in that: the handle (1) It is inside provided with rotation axis (16), one end of the motor switch (11) is rotationally connected on the rotation axis (16).