CN208743816U

CN208743816U - Charging type electric annular saw

Info

Publication number: CN208743816U
Application number: CN201821545913.1U
Authority: CN
Inventors: 陈范斌
Original assignee: NINGBO YONGFEITE ELECTRONIC SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: NINGBO YONGFEITE ELECTRONIC SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2019-04-16
Anticipated expiration: 2028-09-21

Abstract

The utility model relates to electric circular saw technical fields, specially a kind of charging type electric annular saw, including casing, control device, driving mechanism, transmission mechanism, output shaft, locking member, saw blade and battery pack, control device is located on casing, driving mechanism and transmission mechanism are located in casing, one end of output shaft is through to casing internal and is connected by transmission mechanism with driving mechanism, the other end of output shaft is located at outside casing and is connected by locking member with saw blade, is electrically connected between control device, driving mechanism and battery pack；It is connected by least two bearings with casing on output shaft positioned at one end of casing internal, transmission mechanism includes intermeshing pinion gear and gear wheel, and pinion gear is connected to driving mechanism, and gear wheel is connected to output shaft, and battery pack is removably connected on casing.The utility model it is compact-sized, the cost of material is low, and transmission efficiency is high, and output power is big, longevity of service, with small vibration, holds good hand touch.

Description

Charging type electric annular saw

Technical field

The utility model relates to electric circular saw technical field, specially a kind of charging type electric annular saw.

Background technique

Electric circular saw generally uses carry climbing formula contour structures, is one kind using motor as power, is then driven by transmission mechanism Dynamic saw blade is able to timber, plastics, and flexible cord material etc. carries out the tool of sawing action, has the spies such as safe and reliable, working efficiency height Point.

Charging type electric annular saw is so that motor is worked by included battery, and when use is not necessarily to external power supply, convenient not have It is used in the case where extraneous power supply, it is easy to carry.But existing charging type electric annular saw power is slightly inadequate, operating time is short, Low efficiency；And existing charging type electric annular saw, monnolithic case is generally large, and structure is not compact, has not only wasted material cost but also shadow It rings and holds feel.

Utility model content

The main purpose of the utility model is to provide a kind of charging type electric annular saws, to solve to propose in above-mentioned background technique Existing charging type electric annular saw power it is slightly inadequate, the problem of operating time is short, low efficiency and existing charging type electric circle Saw, monnolithic case is generally large, and structure is not compact, has not only wasted material cost but also has influenced the problem of holding feel.

To achieve the above object, the utility model provides the following technical solutions: a kind of charging type electric annular saw, including casing, Control device, driving mechanism, transmission mechanism, output shaft, locking member, saw blade and battery pack, the control device are located at the machine On shell, the driving mechanism and transmission mechanism are located in the casing, and one end of the output shaft is through in the casing Portion is simultaneously connected by the transmission mechanism with the driving mechanism, and the other end of the output shaft is located at outside the casing and leads to It crosses the locking member to be connected with the saw blade, be electrically connected between the control device, driving mechanism and battery pack；It is described It is connected by least two bearings with the casing on output shaft positioned at one end of the casing internal, the transmission mechanism includes Intermeshing pinion gear and gear wheel, the pinion gear are connected to the driving mechanism, and the gear wheel is connected to described defeated Shaft, the battery pack are removably connected on the casing.

The utility model has the beneficial effects that: the utility model has the advantages of simple structure, rationally distributed；Due to the driving machine Structure passes sequentially through pinion gear and gear wheel drives the output shaft rotation, and is compact-sized, transmission effect the advantages of gear drive Rate is high, so that the structure of the casing is more compact, improves the output power of the charging type electric annular saw, and then improve its work Make efficiency；Since the output shaft is connected further through at least two bearings with the casing, it is minimized the saw blade and is carrying out The play of output shaft when cutting is minimized the vibration being transmitted on the casing, improves feel when holding；By institute It states battery pack detachable connection on the housing, is able to quickly be replaced after the battery pack dead, improve The operating time of the charging type electric annular saw, and the battery pack is changed to external and is also beneficial to the structure of the casing more to step up It gathers, to reduce material cost.

Preferably, the casing is equipped with main pistol grip and auxiliary handle, and the main pistol grip is connected to the cabinet top and one Body is extended to the back lower place to the casing, before the auxiliary handle is connected to casing described in the cabinet top and integrally horizontal direction Fang Yanshen.Its advantage is that holding the main pistol grip by the right hand, the auxiliary handle is lifted by left hand, is able to more easily Operate the charging type electric annular saw.

Preferably, the control device includes switch and the push rod for control switch switch, and the switch is located at institute It states in main pistol grip, one end of the push rod is connected with the switch, and the other end of the push rod is through to outside the main pistol grip.Its Advantage is that the switch of the switch is controlled by the push rod, directly with the switch contact when being avoided operation, is improved Safety when operation.

Preferably, the battery pack, which is removably connected on the casing, refers to that the battery pack is contacted equipped with fuselage The end of frame, the main pistol grip is equipped with catching groove, and the fuselage contact bar is buckled in the catching groove.Its advantage is that by described Fuselage contact bar is buckled in the catching groove, the detachable connection being achieved between the battery pack and main pistol grip.

Preferably, the first connecting terminal is equipped in the catching groove, the fuselage contact bar is equipped with and first wiring Second connecting terminal of terminal docking, first connecting terminal are electrically connected at the switch, the second connecting terminal electricity Property is connected to the battery pack.Its advantage is that after the fuselage contact bar snaps onto the catching groove, second wiring Also docking is completed between terminal and the first connecting terminal.

Preferably, the locking member includes inner flange, saw blade pressing plate and for making saw blade pressing plate press to inner flange direction Fixing bolt is located at one end outer periphery outside the casing on the output shaft and is equipped with projective structure, the inner flange, saw Piece and saw blade pressing plate are successively sheathed on the output shaft and contradict close to the side of the casing on the inner flange described On projective structure, the fixing bolt is bolted on the output shaft.Its advantage is that being limited in described by the projective structure Flange is mobile to the casing internal, then the saw blade is pressed in the inner flange by the saw blade pressing plate, and by described Fixing bolt fixes the saw blade pressing plate.

Preferably, the lower end of the casing is equipped with support plate, and the support plate is equipped with to be run through for avoiding the saw blade Slot is avoided below to the support plate, the front end of the support plate is connected with guide bracket.Its advantage is that the saw blade passes through institute It states and avoids slot and be able to cut the workpiece below the support plate；When carrying out straight cuts, since the guide bracket is pasted It is slided in the side of workpiece, avoids cutting askew.

Preferably, it is equipped between the casing and support plate and is stretched out below the support plate for adjusting the saw blade The regulating device of depth, the regulating device include arc-shaped guide rail and bolt fastener, and the arc-shaped guide rail is connected to the branch Fagging upper surface, the front end of the casing are articulated in the support plate, and the rear end of the casing is slidably connected to the arc In guide rail, and the bolt fastener is between the casing and guide rail.Its advantage is that passing through the elastic bolt fastening Part is able to adjust position of the casing in the arc-shaped guide rail, so that the saw blade stretches out below the support plate Depth, the workpiece of different-thickness is cut thus convenient, avoids the platform for cutting to fixed workpiece.

Preferably, the support plate is equipped with the mark for showing angle that the casing slides in the arc-shaped guide rail Ruler frame.Its advantage is that the angle that hinge joint of the casing around its front end rotates can intuitively be reflected by the scale frame, Depth below the support plate is stretched out to which indirect reaction goes out the saw blade.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the charging type electric annular saw of an embodiment of the utility model；

Fig. 2 is the cross-sectional view of the charging type electric annular saw of an embodiment of the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, makees the specific embodiment of the utility model embodiment It further describes.Following embodiment is only used for more clearly illustrating the technical solution of the present embodiment, and cannot be used as a limitation limitation The protection scope of the utility model.

Please refer to Fig. 1,2, in the utility model embodiment, a kind of charging type electric annular saw, including casing 1, control device, drive Motivation structure, transmission mechanism, output shaft 5, locking member, saw blade 7 and battery pack 8, integrally formed with 11 He of main pistol grip on the casing 1 Auxiliary handle 12, the main pistol grip 11 are connected to 1 top of casing and integrally extend to the back lower place (this implementation to the casing 1 In example, front refers to that the left of drawing in Fig. 1, rear refer to that the right of drawing in Fig. 1, top refer to drawing in Fig. 1 Top, lower section refers to the lower section of drawing in Fig. 1), the auxiliary handle 12 is connected to 1 top of the casing and integrated horizontal direction The front of the casing 1 extends, and holds the main pistol grip 11 by the right hand, and left hand lifts the auxiliary handle 12, is able to more light The operation of the pine charging type electric annular saw；The control device includes switch 21 and the push rod 22 for the switch of control switch 21, institute The inside that switch 21 is installed on the main pistol grip 11 by screw is stated, one end of the push rod 22 is connected with the switch 21, separately One end is through to outside the main pistol grip 11, by pushing the push rod 22 to be controlled the switch of the switch 21, to keep away Exempt to directly contact the switch 21, improves the safety of operation；The driving mechanism is direct current generator 3, is installed by screw In the inside of the casing 1, the transmission mechanism includes pinion gear 41 and gear wheel 42, and the pinion gear 41 is fixed on described straight On the output shaft of galvanic electricity machine 3, on the output shaft 5, the direct current generator 3 is able to described in drive the key connection of gear wheel 42 Output shaft 5 rotates；One end of the output shaft 5 is fixed on the inside of the casing 1, two bearings point by two bearings Cloth in the two sides of the gear wheel 42, be able to it is significantly more efficient the output shaft 5 is limited, mitigate the output shaft 5 It channels to；Since to occupy the space inside the casing 1 larger for the direct current generator 3, pinion gear 41 and gear wheel 42, thus it is described The bearing on output shaft 5 close to 3 side of direct current generator is preferably needle bearing 91, and radial structure is compact, thus The structure for being conducive to the casing 1 is more compact, and the outer radial periphery inside casing 1 described in another described bearing is without other structures Part then selects plain bearing 92；The other end of the output shaft 5 is through to the outside of the casing 1, and passes through the lock Tight part is connected with the saw blade 7, and the locking member includes inner flange 61, saw blade pressing plate 62 and interior for pressing to saw blade pressing plate 62 The fixing bolt 63 in 61 direction of flange, be located on the output shaft 5 one end outer periphery outside the casing 1 be integrally protruding with it is convex Structure 51 out, the inner flange 61, saw blade 7 and saw blade pressing plate 62 are sequentially sleeved on the output shaft 5 and the inner flange 61 The upper side close to the casing 1 contradicts on the projective structure 51, and the fixing bolt 63 is bolted in the output shaft 5 On, it is able to for the saw blade 7 being fixed on the output shaft 5；The battery pack 8 is removably connected on the casing 1, works as institute After the dead for stating battery pack 8, it is able to quick-replaceable reserve battery packet, thus when improving the work of the charging type electric annular saw It is long；To be electrically connected between the battery pack 8, switch 21 and direct current generator 3.

In embodiment, the battery pack 8, which is removably connected on the casing 1, refers to that the battery pack 8 is equipped with fuselage The end of contact bar 81, the main pistol grip 11 is equipped with catching groove 111, and the fuselage contact bar 81 is buckled in the catching groove 111, i.e., By the fuselage contact bar 81 setting can elasticity to the active pin stretched inside it, control the active pin and contacted to the fuselage It is retracted inside frame 81, and the fuselage contact bar 81 is placed in the catching groove 111, then the active pin is made to stretch out to be stuck in institute It states in catching groove 111, the detachable connection being achieved between the battery pack 8 and main pistol grip 11.

In embodiment, it is equipped with the first connecting terminal in the catching groove 111, the fuselage contact bar 81 is equipped with and described the Second connecting terminal of one connecting terminal docking, first connecting terminal are electrically connected at the switch 21, and described second connects Line terminals are electrically connected at the battery pack 8；After the fuselage contact bar 81 snaps onto the catching groove 111, described Docking is completed between two connecting terminals and the first connecting terminal.

In embodiment, the lower end of the casing 1 is equipped with support plate 10, and the support plate 10 is equipped with for avoiding the saw Piece 7 is through to the slot of avoiding of 10 lower section of the support plate, and the front end of the support plate 10 is connected with guide bracket 101, will when cutting The support plate 10 is attached on workpiece, and the side that the guide bracket 101 is attached to workpiece is slided, avoid cutting when hand shake and incite somebody to action Workpiece is cut askew.

In embodiment, it is equipped between the casing 1 and support plate 10 and stretches out the support plate for adjusting the saw blade 7 The regulating device of the depth of 10 lower sections, the regulating device includes arc-shaped guide rail 100 and bolt fastener 200, and the arc is led Rail 100 is welded in the upper surface of the support plate 10, and the front end of the casing 1 is articulated in the support plate 10, the casing 1 Rear end be slidably connected in the arc-shaped guide rail 100, and between the rear end and guide rail 100 of the casing 1 pass through the spiral shell Bolt fastener 200 is locked；By the elastic bolt fastener 200, it is able to adjust the rear end of the casing 1 in the arc The angle slided in shape guide rail 100, thus change the depth that the saw blade 7 stretches out 10 lower section of support plate, it is convenient to difference The workpiece of thickness is cut, and the platform for cutting to fixed workpiece is avoided.

In embodiment, the support plate 10 is equipped with for showing what the casing 1 slided in the arc-shaped guide rail 100 The scale frame 102 of angle can intuitively reflect what hinge joint of the casing 1 around its front end rotated by the scale 102 Angle, so that indirect reaction goes out the depth that the saw blade 7 stretches out 10 lower section of support plate.

Working principle: holding the main pistol grip 11 by the right hand, and left hand lifts the auxiliary handle 12, pushes the push rod 22 So that the switch 21 is opened, the electric power of the battery pack 8 pass sequentially through second connecting terminal, the first connecting terminal, Switch 21 and direct current generator 3, the direct current generator 3 are operated, and are then able to by the pinion gear 41 and gear wheel 42 It drives the output shaft 5 to rotate, so that the saw blade 7 be driven to rotate, is able to carry out cutting processing；The advantages of gear drive is knot Structure is compact, transmission efficiency is high, so that the internal structure of the casing 1 is more compact, improves the defeated of the charging type electric annular saw Power out, and then improve its working efficiency；Since the output shaft 5 is fixed by the needle bearing 91 and plain bearing 92 Inside the casing 1, it is minimized the play of the output shaft 5, to reduce the vibration of the charging type electric annular saw, raising is held Feel when holding, and the needle bearing 91 is located at the side on the output shaft 5 close to the direct current generator 3, the rolling The radial structure of needle bearing 91 is compact, and it is more compact to be also beneficial to 1 internal structure of casing；Again since the battery pack 8 is Detachable connection can be with battery pack 8 described in rapid removal after its dead, to replace reserve battery, this is rechargeable Electric circular saw is able to continue work, to improve its operating time, and the battery pack 8 is changed to postpone outside, also favorably It is more compact in the structure of the casing 1, to reduce material cost.

Above description is merely a prefered embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change Into should also be as being considered as the protection scope of the utility model with retouching.

Claims

1. a kind of charging type electric annular saw, including casing (1), control device, driving mechanism, transmission mechanism, output shaft (5), locking Part, saw blade (7) and battery pack (8), the control device are located on the casing (1), the driving mechanism and transmission mechanism In the casing (1), one end of the output shaft (5) is through to the casing (1) inside and by the transmission mechanism Be connected with the driving mechanism, the other end of the output shaft (5) be located at the casing (1) it is external and by the locking member with The saw blade (7) is connected, and is electrically connected between the control device, driving mechanism and battery pack (8), which is characterized in that It is located at the casing (1) internal one end on the output shaft (5) to be connected by least two bearings with the casing (1), institute Stating transmission mechanism includes intermeshing pinion gear (41) and gear wheel (42), and the pinion gear (41) is connected to the driving machine Structure, the gear wheel (42) are connected to the output shaft (5), and the battery pack (8) is removably connected on the casing (1).

2. charging type electric annular saw according to claim 1, which is characterized in that the casing (1) is equipped with main pistol grip (11) With auxiliary handle (12), the main pistol grip (11) is connected to the top of the casing (1) and integrally to the back lower place of the casing (1) Extend, the front that the auxiliary handle (12) is connected to casing (1) described in the top of the casing (1) and integrally horizontal direction extends.

3. charging type electric annular saw according to claim 2, which is characterized in that the control device include switch (21) and For the push rod (22) of control switch (21) switch, the switch (21) is located in the main pistol grip (11), the push rod (22) One end be connected with the switch (21), the other end of the push rod (22) is through to the main pistol grip (11) outside.

4. charging type electric annular saw according to claim 3, which is characterized in that the battery pack (8) is removably connected to institute It states and refers to that the battery pack (8) are equipped with fuselage contact bar (81) on casing (1), the end of the main pistol grip (11) is equipped with catching groove (111), the fuselage contact bar (81) is buckled in the catching groove (111).

5. charging type electric annular saw according to claim 4, which is characterized in that be equipped with the first wiring in the catching groove (111) Terminal, the fuselage contact bar (81) are equipped with the second connecting terminal docked with first connecting terminal, and described first connects Line terminals are electrically connected at the switch (21), and second connecting terminal is electrically connected at the battery pack (8).

6. charging type electric annular saw according to claim 1, which is characterized in that the locking member includes inner flange (61), saw Piece pressing plate (62) and for making saw blade pressing plate (62) press to the fixing bolt (63) in inner flange (61) direction, the output shaft (5) The upper one end outer periphery of the casing (1) outside that is located at is equipped with projective structure (51), the inner flange (61), saw blade (7) and Saw blade pressing plate (62) is successively sheathed on the output shaft (5) and on the inner flange (61) close to the side of the casing (1) It contradicts on the projective structure (51), the fixing bolt (63) is bolted on the output shaft (5).

7. charging type electric annular saw according to claim 1, which is characterized in that the lower end of the casing (1) is equipped with support plate (10), the support plate (10), which is equipped with to be through to below the support plate (10) for avoiding the saw blade (7), avoids slot, The front end of the support plate (10) is connected with guide bracket (101).

8. charging type electric annular saw according to claim 7, which is characterized in that the casing (1) and support plate (10) it Between be equipped with the regulating device that the depth below the support plate (10) is stretched out for adjusting the saw blade (7), the regulating device Including arc-shaped guide rail (100) and bolt fastener (200), the arc-shaped guide rail (100) is connected to the upper of the support plate (10) The front end on surface, the casing (1) is articulated on the support plate (10), and the rear end of the casing (1) is slidably connected to described In arc-shaped guide rail (100), and the bolt fastener (200) is between the casing (1) and guide rail (100).

9. charging type electric annular saw according to claim 8, which is characterized in that the support plate (10) is equipped with for showing The scale frame (102) for the angle that the casing (1) is slided in the arc-shaped guide rail (100).