CN110014190A - Portable cutter - Google Patents

Portable cutter Download PDF

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Publication number
CN110014190A
CN110014190A CN201910319501.9A CN201910319501A CN110014190A CN 110014190 A CN110014190 A CN 110014190A CN 201910319501 A CN201910319501 A CN 201910319501A CN 110014190 A CN110014190 A CN 110014190A
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CN
China
Prior art keywords
saw blade
shell
axis
motor
portable cutter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910319501.9A
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Chinese (zh)
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CN110014190B (en
Inventor
沃伦·布朗
哈利·索默
格雷厄姆·格哈德
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Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
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Priority to CN201910319501.9A priority Critical patent/CN110014190B/en
Publication of CN110014190A publication Critical patent/CN110014190A/en
Application granted granted Critical
Publication of CN110014190B publication Critical patent/CN110014190B/en
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Abstract

The present invention provides a kind of portable cutter, which includes: shell;Motor is housed in shell;Cutter unit is connect with shell, and cutter unit includes being mounted on saw blade axis and by the saw blade of motor driving rotation, the upper shield that is fixedly connected with the casing and the lower shield for around the axis of saw blade axis rotating and exposing saw blade;Lower shield is spindle rotationally arranged on saw blade axis.Lower shield is spindle rotationally arranged on saw blade axis, the diameter that can reduce the wheel hub on lower shield is arranged such, to make saw blade that can be increased with part, and then increases the cutting power of entire portable cutter.

Description

Portable cutter
The application is filed in applicant's on July 13rd, 2012 entitled " portable cutter ", application No. is 201210243830.8 Chinese invention patent application divisional application.
Technical field
The present invention relates to a kind of power tools, more particularly, to a kind of portable cutter.
Background technique
Traditional portable cutter, such as portable electric annular saw generally include the saw blade for being used to workpieces processing, For driving the motor of the saw blade, motor is rotatably arranged in shell, and main handle is used in operation for operation Person holds.This electric circular saw includes a bottom plate, a upper shield and a lower shield, and upper shield is located at top and the shell of bottom plate Body is fixedly connected, and at any time closes on saw blade top wherein;Lower shield is located at bottom plate in the following, when working, and lower shield can Rotation exposes saw blade lower part.The shortcomings that this tradition electric circular saw is: lower shield is rotatably arranged on shell, to make The wheel hub that lower shield is connected with the shell is relatively large in diameter, and being relatively large in diameter for wheel hub will make saw blade that can be reduced with part, And then reduce the cutting power of entire portable cutter.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of portable cutter with larger cutting power.
To solve the above-mentioned problems, the present invention provides a kind of portable cutter, which includes: shell Body;Motor is housed in the shell;Cutter unit is connect with the shell, and the cutter unit includes being mounted on saw blade axis It is upper and rotated by the saw blade of motor driving rotation, the upper shield being fixedly connected with the casing and axis around saw blade axis and exposed and saw The lower shield of piece;The bottom plate connecting with upper shield, the bottom plate are equipped with saw blade through-hole and are used for so that saw blade extends there through, and described Bottom plate further includes for the bottom base plate against workpiece and the bottom plate front side wall upwardly extended from bottom base plate;The lower shield can The setting of rotation is on the saw blade axis.
In disclosed portable cutter, lower shield is spindle rotationally arranged on the saw blade axis, such as This setting can reduce the diameter of the wheel hub on lower shield, to make saw blade that can be increased with part, and then increase entire portable The cutting power of cutting machine.
Preferably, the lower shield passes through on the bearing rotatably saw blade axis.
Preferably, the bottom plate front side wall is equipped with the friction pad to lean with workpiece surface.
Preferably, the friction pad includes the curved surface to lean with workpiece surface.
Preferably, the shell includes the shell front connecting with upper shield, the rear of lengthwise extension and is located at Grip part between the shell front and the rear, wherein after the motor is rotatably arranged on the shell Portion, and the saw blade axis is vertically arranged with the motor output shaft.
Preferably, the portable cutter includes the bracket connecting with the bottom plate, and the upper shield is by being parallel to The first axle of the saw blade axis is rotationally connect for adjusting depth of cut with the bracket, and the upper shield can be described Saw blade does not expose the minimum cut position of the saw blade through-hole and the saw blade exposes the maximum of the saw blade through-hole depth capacity It is moved between cutting position.
Preferably, in maximum cutting position, the lengthwise of the grip part extends between axis and the bottom base plate Angle is not more than 20 degree.
Preferably, the bracket is equipped with the first guide groove, and first guide groove is arc guide barrel, the circle where the first guide groove The corresponding center of circle of arc is located on first axle.
Preferably, the upper shield and first guide groove are respectively arranged at the two sides of the shell front.
Preferably, the bracket is rotatably connect with the bottom plate around the second axis for being parallel to the bottom base plate For regulating cutting angle, the bracket is equipped with the second guide groove, and second guide groove is arc guide barrel, where the second guide groove The corresponding center of circle of circular arc is located in second axis.
Detailed description of the invention
Further detailed description is done to the present invention with reference to the accompanying drawing.
Fig. 1 is the perspective view for the portable cutter that the present invention discloses.
Fig. 2 is the sectional perspective exploded view of the revealed portable cutter of Fig. 1.
Fig. 3 is the cut-away view in Fig. 1 along the direction A-A.
Fig. 4 is the sectional perspective exploded view of the revealed portable cutter of Fig. 1.
Fig. 5 is the front view of the revealed portable cutter of Fig. 1, and portable cutting machine is in minimum cut position at this time It sets.
Fig. 6 is the front view of the revealed portable cutter of Fig. 1, and portable cutting machine is in maximum cleavage at this time It sets.
Fig. 7 is the revealed portable cutter of Fig. 1 from the perspective view in terms of the other side, and saw blade is vertical with bottom base plate at this time Setting.
Fig. 8 is the revealed portable cutter of Fig. 1 from the perspective view in terms of the other side, and saw blade and bottom base plate tilt at this time Setting.
Fig. 9 is schematic diagram of the revealed portable cutter of Fig. 1 when plug-in type is cut.
Figure 10 is schematic diagram of the revealed portable cutter of Fig. 1 when plug-in type is cut.
Figure 11 is schematic diagram of the revealed portable cutter of Fig. 1 when plug-in type is cut.
Figure 12 is schematic diagram of the revealed portable cutter of Fig. 1 when parallel-moving type is cut.
In figure:
30. taking 32. shell of formula cutting machine, 34. cutter unit
36. 40. shell front of bottom plate, 42. rear
44. 46. saw blade axis of grip part, 48. saw blade
50. 52. lower shield of upper shield, 54. handle
56. 58. wheel hub of collecting part, 60. bearing
62. 64. bearing outer ring of bearing inner race, 66. bottom base plate
68a-d bottom plate is forward and backward, 70. saw blade through-hole of left and right side wall
72. 76. first axle of friction pad, 78. locking mechanism
80. 82. frame bottom of bracket
84a-c. bracket is forward and backward, 86. mounting hole of right side wall
88. 90. depth adjustment bracket of through-hole, 92. first guide groove
94. 95. bolt of handle, 99. indicator
97. 98. second axis of threaded hole, 100. retaining mechanism
102. 104. second guide groove of bevel angle adjustment bracket, 106. knob
108. 110. bolt of nut, 111. connecting hole
112. 114. contact line of through-hole, 116. curved surface
200. workpiece, 300. workpiece
Specific embodiment
Referring to Fig. 1, embodiment of the present invention provides a kind of portable cutter 30.Portable cutter 30 includes shell 32, the motor (not shown) that is housed in shell 32, in shell 32 for transmitting the transmission component of power (in figure not Show), the cutter unit 34 that connect with shell 32, the bottom plate 36 connecting with cutter unit 34, on shell 32 control motor The switch block (not shown) whether to work.In the description of the present invention, unless otherwise noted, direction term, as before, Afterwards, left and right, upper and lower etc., it is relative to the direction of the normal use portable cutter, as defined portable cutter Before direction of advance is, the direction opposite with the direction of advance of portable cutter be after etc..
The power supply of portable cutter 30 is AC power source, i.e., is powered by AC power source to motor.Certainly portable to cut Cutting mill 30 can also be powered using direct current energy, i.e., install battery pack on portable cutter 30, by battery pack to Motor power supply.
Motor can be carbon brush motor, brushless motor etc., or corresponding to the energy source of portable cutter 30, motor It can be alternating current motor or d.c. motor.Motor has motor output shaft (not shown), and by motor output shaft Gear is installed to export the rotation of motor.
Shell 32 includes the rear 42 of shell front 40 and lengthwise extension, wherein shell front 40 and cutter unit 34 Connection;Rear 42 is provided with air inlet (not shown) and air outlet (not on rear 42 for accommodating motor It shows).The longitudinal extending axis of rear 42 is E.Motor output shaft is parallel with the longitudinal extending axis E of rear 42 to be set It sets.
The side of shell front 40 is arranged in cutter unit 34, since motor is arranged in rear 42, far from bottom plate 36, in this way, available space of the shell front 40 in the other side far from cutter unit 34 is larger, convenient for setting other structures.
Interconnecting piece 44 is formed in the part that shell front 40 is connect with rear 42.In order to more rationally utilize interconnecting piece Interconnecting piece 44, has been designed to the grip part 44 of portable cutter 30 by 44 structure, i.e. user is grasped by holding grip part 44 Make portable cutter 30 and carries out cutting work.User is equivalent in shell front 40 and rear when holding grip part 44 Fulcrum is constituted between 42, the part of fulcrum two sides can mutually restrict under the influence of respective gravity, realize that user holds grip part After 44, portable cutter 30 is in more stable state, is very easy to carry out cutting operation, improves the comfortable of operation Degree, it is preferred that the center of gravity of portable cutter 30 is located on grip part 44, and portable cutter 30 has optimal operation at this time Comfort level.
Certainly, grip part is not limited to be formed in interconnecting piece 44, grip part can also in addition be arranged in the top of shell 32, The grip part is connected to shell front 40 on rear 42 etc., and those skilled in the art are also possible to make other changes More, it but as long as its function is same or similar with the present invention with effect, should all be covered by the scope of the present invention.
The longitudinal extending axis of grip part 44 can be substantially parallel with the longitudinal extending axis E phase of rear 42 or again Close setting, in the present embodiment, the longitudinal extending axis and the longitudinal extending axis E phase mutual respect of rear 42 of grip part 44 It closes.
Fig. 1 and Fig. 2 are please referred to, cutter unit 34 includes being mounted on saw blade axis 46 and by the saw blade 48 of motor driving rotation And cover assembly.Cover assembly includes the upper shield 50 being fixedly connected with shell front 40 and revolves around the axis F of saw blade axis 46 The lower shield 50 turned.Upper shield 50 is used to cover the upper part of saw blade 48, and lower shield 50 is used to cover the lower part of saw blade 48.When So, entire saw blade 48 can completely or not exclusively can be coated according to not same safety requirement, upper and lower shield 50 and 52.Work When, lower shield 50 is pushed by workpiece and is rotated around the axis F of saw blade axis 46, so that the lower part of saw blade 48 be made to expose for cutting Cut workpiece.Handle 54 is provided on lower shield 52, operating the handle 54 rotates lower shield 52 around the axis F of saw blade axis 46, Expose the lower part of saw blade 48.
Referring to Fig. 2, lower shield 52 includes collecting part 56 for accommodating saw blade 48 and connect with collecting part 56 Wheel hub 58.Wheel hub 58 is directly spindle rotationally arranged on saw blade axis 46, the diameter that can reduce wheel hub 58 is arranged such, thus It increase saw blade 48 can with part, and then increase the cutting power of entire portable cutter.
Referring to Fig. 3, being equipped with bearing 60 between saw blade axis 46 and wheel hub 58.Bearing 60 includes bearing inner race 62 and bearing Outer ring 64.Bearing outer ring 64 can be rotated with respect to bearing inner race 62.It is interference fit between bearing inner race 62 and saw blade axis 46.Bearing It is interference fit between outer ring 64 and wheel hub 58.The axis of saw blade axis 46 is F, in this way, lower shield 52 can be smoothly around saw The axis F of bobbin 46 rotates, but not saw blade axis 46 is followed to rotate.
Certainly, lower shield 52 is set up directly on saw blade axis 46 or is arranged by bearing 60 in this installation side of saw blade axis 46 Formula, it is not limited to the portable cutter enumerated in the present embodiment, this mounting means be equally applicable to common electric circular saw, Cutting machine of the desk-top diagonal cutting saw etc. with lower shield, and the effect for increasing cutting power can be reached.
Transmission component and motor output shaft are coupled, and the power of motor output shaft output is passed to saw blade by saw blade axis 46 48.Saw blade 48 is installed on one end of saw blade axis 46, and the other end of saw blade axis 46 can pass through direct geared and motor output shaft Gear mating realizes that motor driving saw blade axis 46 rotates.Certainly, it can also be arranged between motor output shaft and saw blade axis 46 and subtract Fast gear etc., no longer describes in detail as space is limited herein.The axis F of saw blade axis 46 and the axis of motor output shaft mutually hang down Straight setting or substantially vertical setting.
Referring to Fig. 4, bottom plate 36 includes bottom base plate 66, in the course of work, bottom base plate 66 is resisted against workpiece surface. Bottom plate is forward and backward, left and right side wall 68a-d substantially surrounds a Zhou Bingcong bottom base plate 66 and upwardly extends.Bottom base plate 66 is equipped with Saw blade through-hole 70, saw blade through-hole 70 are used for so that saw blade 48 extends there through.The outside of bottom plate front side wall 68 is equipped with friction pad 72.It rubs The specific effect of scrubbing pad 72 can be described in detail later.
Portable cutter 30 is equipped with depth adjusting mechanism, for changing the depth of cutting.Depth adjusting mechanism shell 32 With shell 32 and cutter unit 34 can be made to pivot together around first axle 76, and the locking mechanism by being mounted on shell 32 78 are locked.First axle 76 and the axis F of saw blade axis 46 are arranged in parallel.
Portable cutter 30 includes the bracket 80 connecting with bottom plate 36.Bracket 80 includes frame bottom 82.Before bracket, Afterwards, right side wall 84a-c is upwardly extended from frame bottom 82, and the not set side wall in the left side of frame bottom 82 so facilitates saw blade 48 Across bracket 80.
The mounting hole 86 being provided symmetrically on bracket front side wall 84a, shell front 40 are equipped with through-hole 88.Pin shaft is (not Diagram) mounting hole 86 and through-hole 88 are passed through, so that the first axle 76 that shell 32 and cutter unit 34 are limited around pin shaft together It pivots.Certainly, bracket 80 and shell front 40 can also pass through bolt, screw, rivet or other well known to those skilled in the art Structure installation.
Bracket 80 includes depth adjustment bracket 90, which prolongs upwards from the side of bracket right side wall 84c It stretches.Depth adjustment bracket 90 is equipped with the first guide groove 92.First guide groove 92 is arc guide barrel, the circular arc pair where the first guide groove 92 The center of circle answered is located on first axle 76.
Locking mechanism 78 includes handle 94, the bolt 95 being connected on handle 94 and the spiral shell being arranged on shell front 40 Pit 97.Bolt 95 passes through the first guide groove 94 and cooperates with threaded hole 97.By rotating handle 94, bolt 95 is made to be locked to threaded hole In 97, so that shell 32 and cutter unit 34 be locked relative to bracket.
In the present embodiment, upper shield 50 and the first guide groove 92 are respectively arranged at the two sides of shell front 40.So set, Operator is then facilitated using handle 94, and the length of bolt can be reduced, increases operability.
In order to facilitate observation depth of cut, the position on depth adjustment bracket 90 close to the first guide groove 92 is provided with mark The scale (not shown) of cutting-in is equipped with indicator 99 on bolt 95.Once unscrewing bolt 95, the mobile cutting element of operator 36, so that bolt 95 be made to slide in the first guide groove 92, shell 32, cutter unit 34 are around first axle 76 together the bottom of relative to Plate 36 and bracket 80 are moved to change the depth of cut of saw blade 48.By indicator 99 and it can be arranged at this time in depth adjustment bracket Scale on 90 observes cutting angle.Once reaching desired locations, rotatable handgrip 94 is protected to clamp cutter unit 34 It holds in desired locations.
As shown in Figure 5 and Figure 6, cutter unit 34 around first axle 76 minimum cut position and maximum cutting position it Between move.As shown in figure 5, at minimum cut position, saw blade 48 does not pass through the saw blade through-hole 70 on bottom plate 36, saw blade axis 46 with Distance is maximum between bottom plate 36.As shown in fig. 6, saw blade 48 is from the saw blade through-hole 70 on bottom plate 36 in maximum cutting position Across and distance is minimum saw blade axis 46 and bottom plate 36.In the position, the longitudinal extending axis E Yu bottom plate 36 of grip part 44 it Between angle be not more than 20 degree, be arranged such greatly improve the comfort of operator.
Referring back to Fig. 4, portable cutter 30 is additionally provided with bevel angle adjustment structure, for changing the angle of cutting.Oblique angle tune Section structure can be such that shell 32 and cutter unit 34 pivots together around second axis 98, and the locking by being mounted on bottom plate 36 Mechanism 100 is fixed.Second axis 98 is arranged in parallel with bottom base plate 66.
Bracket 80 includes bevel angle adjustment bracket 102, and the side of the bevel angle adjustment bracket 102 from bracket front side wall 84a are upward Extend.Bevel angle adjustment bracket 102 is equipped with the second guide groove 104.Second guide groove 104 is arc guide barrel, where the second guide groove 104 The corresponding center of circle of circular arc is located in second axis 98.
Retaining mechanism 100 includes knob 106, the nut 108 connecting with knob 106 and the bolt cooperated with nut 108 110.Through-hole and second guide groove 104 of the bolt 110 on bottom plate front side wall 68a cooperate with nut 110.Knob 106 is screwed, from And shell 32 and cutter unit 34 are locked relative to bottom plate 36.
The connecting hole 111 being provided symmetrically on the forward and backward side wall 84a and 84b of bracket, the forward and backward side wall 68a and 68b of bottom plate On be respectively equipped with through-hole 112 (through-hole on floor rear wall 68b has only been marked in figure).Two pin shafts (not shown) are each passed through Similar connecting hole 111 and through-hole 112, so that bracket 80, shell 32 and cutter unit 34 are together around the second of pin shaft restriction Axis 98 pivots.Certainly, bracket 80 and bottom plate 36 can also be public by bolt, screw, rivet or other those skilled in the art The structure installation known.
In order to facilitate observation cutting angle, bevel angle adjustment bracket 102 is provided with mark in the position close to the second guide groove 104 The scale (not shown) of cutting angle is equipped with pointer on bottom plate front side wall 68a.Once unscrewing knob 106, bolt 110 is Sliding in two guide grooves 104, so that shell 32, cutter unit 34 and bracket 80 can be transported around second axis 98 relative to bottom plate 36 The dynamic cutting angle to change saw blade 48.At this time portable cut can be observed by the pointer being arranged on bottom plate front side wall 68a 30 cutting angle of cutting mill.Once reaching desired locations, knob 106 can be screwed so that the clamping of cutter unit 34 is maintained at desired position It sets.
Seen from the above description, bracket 80 includes depth adjustment bracket 90 and bevel angle adjustment bracket 102, that is to say, that will be used The first guide groove 92 in depth adjustment and the second guide groove 104 for bevel angle adjustment are arranged at bracket 80.So set, can To reduce processing cost, while the rigidity of bracket 80 and the machining accuracy of portable cutter 30 can also be increased.
As shown in fig. 7, bottom plate is forward and backward, left and right side wall 68a-d substantially encloses when saw blade 48 is vertical with bottom base plate 66 At one week forward and backward by bracket, right side wall 84a-c is surrounded, and bracket is forward and backward, right side wall 84a-c respectively close to before bottom plate, Afterwards, the inside of right side wall 68a and 68b and 68d.At this point, frame bottom 82 and bottom base plate 66 close to.As shown in figure 8, when unscrewing Knob 106, bolt 110 slide in the second guide groove 104, and bracket 80 surrounds 98 rotary motion of second axis, at this point, before bracket, Afterwards, right side wall 84a-c then disengages that bottom plate is forward and backward, inside of right side wall 68a and 68b and 68d.Frame bottom 82 and bottom base plate The angle formed between the angle formed between 66 and saw blade 48 and bottom base plate 66 is equal, i.e. the inclined cut of saw blade 48 Angle.
Portable cutter 30 has parallel-moving type cutting and plug-in type cutting.When plug-in type is cut, starter motor, such as Fig. 9 It is shown, friction pad 72 is resisted against on the surface of workpiece 200, one hand of operator is held on grip part 44, another hand behaviour Make handle 54, rotates lower shield 52 relative to upper shield 50 around the axis F of saw blade axis 46;Next, as shown in Figure 10, behaviour Author holds on grip part 44 and is applied to the pressure of grip part 44 1, at this time with the contact line of friction pad 72 and workpiece 200 114 rotate portable cutter 30 for rotation axis, so that entire portable cutter 30 rotates clockwise;In rotation process In, lower shield 52 can push the further axis F around saw blade axis 46 to rotate by handle 54 or by workpiece 200, to make The saw blade 48 for exposing lower shield 52 can carry out workpieces processing.In this way, operator can cut in the middle position of workpiece 200 Slot.Figure 11 is further regarded to, portable cutter 30 rotates clockwise until bottom base plate 66 and the surface of workpiece 200 are pasted completely It closes, portable cutter 30 can be pushed forward to carry out cutting workpiece at this time, to make to take the processing of formula cutting machine 30 with certain The elongated slot of length.
Referring again to Figure 11, friction pad 72 is usually made of wear-resisting, anti-slip material, such as rubber, silica gel etc..Therefore it rubs Pad 72 can prevent sliding of the bottom plate 36 on 200 surface of workpiece and hinder cutting work;It can prevent portable again The surface of 72 defective work piece 200 of friction pad in the rotation process of cutting machine 30.
Friction pad 72 includes the curved surface 116 being in contact with the surface of workpiece 200.The curved surface 116 can be arc surface or extremely Few a part is arc surface.The rotation of the more convenient portable cutter 30 of curved surface 116, so that stability of rotation;But also it can be with The surface of workpiece 200 is preferably protected in the rotation process of portable cutter 30.
There are gap between friction pad 72 and bottom base plate 66, certain gap is smaller more convenient for portable cutter 30 Rotation.There are gaps between friction pad 72 and bottom base plate 66 namely: when bottom base plate 66 is bonded with 200 surface of workpiece, There is certain gap L between the bottom of friction pad 72 and the surface of workpiece 200, be arranged so that and pushing portable cut During the apparent motion of workpiece 200, friction pad 72 will not be in contact with the surface of workpiece 200 and influence portable cutting mill 30 The promotion of formula cutting machine 30.
Certainly, friction pad 72 is set on bottom plate 36, to facilitate operator to realize that plug-in type cuts this mode, not Limit to the portable cutter enumerated in this present embodiment, this setup is equally applicable to traditional electric circular saw etc., and same Sample can reach the effect for realizing plug-in type cutting.
When parallel-moving type is cut, as shown in figure 12, by switch block starter motor, bottom base plate 66 is resisted against workpiece 300 surfaces push portable cutter 30 along the surface of workpiece 300 in parallel, and during promotion, workpiece 300 pushes lower shield Cover 52 is further rotated around the axis F of saw blade axis 46, so that exposing the saw blade 48 of lower shield 52 can be processed.So It can start to cut work in one end of workpiece 200.Continue to push portable cutter 30 to carry out cutting workpiece forward, so that it may To process the elongated slot with certain length or cut off workpiece 200.
The present invention is not limited to aforementioned embodiments, those skilled in the art may be used also under the enlightenment of the technology of the present invention marrow Other changes can be made, but as long as the function and the present invention of its realization are same or similar, the scope of the present invention should all be covered by It is interior.

Claims (10)

1. a kind of portable cutter, it is characterised in that: the portable cutter includes:
Shell;
Motor is housed in the shell, and the motor is used to that saw blade to be driven to rotate around the axis of saw blade axis, the motor tool There is motor output shaft;
Cutter unit is connect with the shell, and the cutter unit includes the upper shield being fixedly connected with the shell and surrounds The axis of saw blade axis rotates and exposes the lower shield of saw blade;And the cutter unit can be cut around first axle rotation for adjusting Cut depth;
Bottom plate is connect with the upper shield, and the bottom plate is equipped with saw blade through-hole and is used for so that saw blade extends there through;Bracket, with institute Bottom plate connection is stated, the bracket includes depth adjustment bracket, and the depth adjustment bracket is equipped with the first guide groove, and described first leads Slot is arc guide barrel, and the corresponding center of circle of circular arc where the first guide groove is located on first axle, and the upper shield and described One guide groove is respectively arranged at the two sides of the shell.
2. portable cutter according to claim 1, it is characterised in that: the shell includes connecting with the upper shield Shell front, lengthwise extend rear and the grip part between the shell front and the rear, The two sides of the shell front are arranged in the depth adjustment bracket and the upper shield.
3. portable cutter according to claim 2, it is characterised in that: the motor is contained in the rear.
4. portable cutter according to claim 1, it is characterised in that: the axis of the saw blade axis and the motor are defeated The axis of shaft is vertically arranged.
5. portable cutter according to claim 1, it is characterised in that: the portable cutter includes locking machine Structure, the locking mechanism includes handle, the bolt that is connected on the handle, and the bolt passes through first guide groove and setting Threaded hole cooperation on the housing.
6. a kind of portable cutter, it is characterised in that: the portable cutter includes:
Shell;
Motor is housed in the shell, and the motor is used to that saw blade to be driven to rotate around the axis of saw blade axis, the motor tool There is motor output shaft;
Cutter unit is connect with the shell, and the cutter unit includes the upper shield being fixedly connected with the shell and surrounds The axis of saw blade axis rotates and exposes the lower shield of saw blade;And the cutter unit can be cut around first axle rotation for adjusting Cut depth;
Bottom plate is connect with the upper shield, and the bottom plate is equipped with saw blade through-hole and is used for so that saw blade extends there through;Bracket, with institute Bottom plate connection is stated, the bracket includes depth adjustment bracket, and the depth adjustment bracket is equipped with the first guide groove, and described first leads Slot is arc guide barrel, and the corresponding center of circle of circular arc where the first guide groove is located on first axle, and the upper shield is arranged in institute State shell side;The other side of the shell is arranged in first guide groove.
7. portable cutter according to claim 6, it is characterised in that: the axis of the saw blade axis and the motor are defeated The axis of shaft is vertically arranged.
8. portable cutter according to claim 6, it is characterised in that: the shell includes connecting with the upper shield Shell front, the rear that extends of lengthwise, the side of the shell front is arranged in the upper shield;First guide groove The other side of the shell front is set.
9. portable cutter according to claim 8, it is characterised in that: the portable cutter includes locking machine Structure, the locking mechanism includes handle, the bolt that is connected on the handle, and the bolt passes through first guide groove and setting Threaded hole cooperation on shell front.
10. portable cutter according to claim 8, it is characterised in that: the motor is contained in the rear.
CN201910319501.9A 2012-07-13 2012-07-13 Portable cutting machine Active CN110014190B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910319501.9A CN110014190B (en) 2012-07-13 2012-07-13 Portable cutting machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210243830.8A CN103537753A (en) 2012-07-13 2012-07-13 Portable cutting machine
CN201910319501.9A CN110014190B (en) 2012-07-13 2012-07-13 Portable cutting machine

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CN110014190A true CN110014190A (en) 2019-07-16
CN110014190B CN110014190B (en) 2021-09-07

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CN111250782A (en) * 2018-11-30 2020-06-09 宝时得科技(中国)有限公司 Portable cutting machine
DE202019103132U1 (en) * 2019-06-04 2020-09-07 Robel Bahnbaumaschinen Gmbh Cut-off machine for cutting through a rail of a track
CN114951820B (en) * 2022-04-12 2024-03-26 宁波天和电动工具有限公司 Multifunctional mini saw

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