CN209021340U - A kind of hand-hold shearing unit convenient for operation - Google Patents

Abstract

The utility model provides a kind of hand-hold shearing unit convenient for operation, including casing and motor, transmission gear and transmission shaft, power supply line is connected on the motor, gerotor device is provided on the casing, the gerotor device includes attachment base, bend pipe and reset spring, connecting hole is offered on the attachment base, the inner cavity of the casing is connected to by the connecting hole with outside, the mouth position of the connecting hole is provided with internal projecting ring, outer bulge loop is provided on the bend pipe, the reset spring and the internal projecting ring are located at the two sides of the outer bulge loop, the internal projecting ring offers more than two locating slots, the outer bulge loop is provided with the locating piece being interspersed in one of them described locating slot, the power supply line is interspersed in the inner hole of the bend pipe.By the way that gerotor set is arranged, the angle that power supply line is pierced by from casing is adjusted according to actual needs, and power supply line is effectively avoided to support the cutting operation that will not influence user on the user's body.

Description

A kind of hand-hold shearing unit convenient for operation

Technical field

The utility model relates to a kind of cutting workpiece, especially a kind of hand-hold shearing unit convenient for operation.

Background technique

Hand-hold shearing unit is a kind of common plate, bar cutting equipment, due to easy to operate, is widely used and work In the various industries such as Cheng Jianzhu, metallurgy and automobile manufacture, the application especially in architectural engineering decoration construction is more universal.

Hand-hold shearing unit on the market usually requires external power supply at present, and the power supply line for external power supply is usually solid Surely be connected on the casing of hand-hold shearing unit, the angle that power supply line is pierced by from casing be it is fixed, since power supply line is leaning on The flexibility of nearly casing position is relatively poor, and when user cuts cutting machine swing to certain positions, power supply line may It supports on the user's body, the cutting operation of the user brings inconvenience.

In view of this, the applicant conducts in-depth research the structure of hand-hold shearing unit, there is this case generation then.

Utility model content

The purpose of this utility model is to provide a kind of power supply lines to be not easy to support the hand convenient for operation on the user's body Hold formula cutting machine.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of hand-hold shearing unit convenient for operation, including casing and being arranged in the casing and are successively sequentially connected Motor, transmission gear and transmission shaft, the transmission shaft is pierced by out of described casing, and is equipped with saw blade on the transmission shaft, It is connected with power supply line on the motor, gerotor device is provided on the casing, the gerotor device includes being fixedly connected on institute State the attachment base on casing, the bend pipe that one end is interspersed on the attachment base and the reset spring being set on the bend pipe, The connecting hole for interting the bend pipe is offered on the attachment base, the connecting hole connects the inner cavity of the casing with outside Logical, the mouth position of inner cavity side of the connecting hole far from the casing is provided with internal projecting ring, is provided with position on the bend pipe In the outer bulge loop in the connecting hole, the internal diameter of the internal projecting ring is greater than the outer diameter of the bend pipe, and the outer diameter of the outer bulge loop is big In the internal diameter of the internal projecting ring, one end of the reset spring is supported on the outer bulge loop, and the other end is directly or indirectly supported On the attachment base, and the reset spring and the internal projecting ring are located at the two sides of the outer bulge loop, the internal projecting ring More than two locating slots are offered towards the side of the outer bulge loop, the outer bulge loop is arranged towards the side of the internal projecting ring There is the locating piece being interspersed in one of them described locating slot, the power supply line is interspersed in the inner hole of the bend pipe.

As a kind of improvement of the utility model, guiding is also fixedly connected in the inner cavity of the casing or the connecting hole Ring, the bend pipe are interspersed in the guide ring, and one end of the reset spring is supported on the guide ring indirectly by supporting It withstands on the attachment base.

As a kind of improvement of the utility model, there is main handle and assist handle, the gerotor device on the casing It is arranged on the main handle.

As a kind of improvement of the utility model, the transmission gear is helical gear.

By adopting the above technical scheme, the utility model has the following beneficial effects:

1, by setting gerotor set, the angle that power supply line is pierced by from casing is adjusted according to actual needs It is whole, effectively avoid power supply line from supporting the cutting operation that will not influence user on the user's body.

2, by setting helical gear for transmission gear, the axis play for helping avoid transmission shaft is passed to motor On, help to improve the service life of motor.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model cutting machine, omits dust bag in figure；

Fig. 2 is the structural schematic diagram at another visual angle of the utility model cutting machine, omits dust bag in figure；

Fig. 3 is the axial cutting structural representation of the utility model cutting machine, omits cutting line and parts thereof in figure；

Fig. 4 is exploded structural schematic diagram of the utility model cutting machine in gerotor device position, omits dust in figure Bag；

Fig. 5 is the structural schematic diagram of the elastic skeleton in the utility model.

Fig. 6 is the structural schematic diagram of the rollover stand in the utility model.

Corresponding mark is as follows in figure:

10- support plate；11- strip hole；

The first vertical plate of 12-；The second vertical plate of 13-；

14- first fixes arc groove；The first stationary positioned of 15- hole；

16- second fixes arc groove；20- rollover stand；

The first locking device of 21-；The second locking device of 22-；

23- the first adjustable arc slot；The first movable positioning hole of 24-；

30- casing；31- hood for protecting rider；

32- dust discharge cylinder；33- elastic skeleton；

34- elastic buckles socket part；35- support portion；

36- annular slot；37- main handle；

38- assist handle；40- motor；

50- transmission gear；

60- transmission shaft；61- saw blade；

62- sleeve；63- movable guard；

64- compressed spring；65- circlip；

66- hook；67- operation handle；

70- gerotor device；71- attachment base；

72- bend pipe；73- reset spring；

74- connecting hole；75- internal projecting ring；

The outer bulge loop of 76-；77- guide ring；

78- locating slot；79- locating piece.

Specific embodiment

The utility model is described further with body embodiment with reference to the accompanying drawing.

As shown in figs 1 to 6, a kind of hand-hold shearing unit of adjustable cutting angle, the cutting machine are present embodiments provided With dust collection function, therefore provided in this embodiment is also a kind of hand-hold shearing unit with dust collection function, in addition, this implementation The cutting machine of offer or a kind of hand-hold shearing unit convenient for operation.Specifically, cutting machine provided in this embodiment includes branch Fagging 10, the rollover stand 20 being rotatably connected in support plate 10, the casing 30 being rotatably connected on rollover stand 20 and setting exist Motor 40, transmission gear 50 and the transmission shaft 60 being sequentially connected in casing 30 and successively, wherein shell 30 can be split type shell Body, or integral housing can be configured according to actual needs.Between motor 40, transmission gear 50 and transmission shaft 60 Specific transmission connecting structure can be conventional structure, it is preferred that in the present embodiment, transmission gear 50 is helical gear, electricity It is provided with the helical teeth section engaged with transmission gear 50 on the output shaft of machine 40, is realized between motor 40 and transmission gear 50 with this Transmission connection, can be directly delivered on motor 40 to avoid the axial float of user's transmission shaft 60 in this way, help to improve electricity The service life of machine 40.

Transmission shaft 60 is pierced by out of casing 30, and saw blade 61 is equipped on transmission shaft 60, specific installation knot between the two Structure is identical as conventional cutting machine, not the emphasis of the present embodiment, and and will not be described here in detail.In addition, being opened up in support plate 10 useful In the strip hole 11 passed through for saw blade 61, certainly, saw blade 61 can also be located at the side of support plate 10.

It is realized and is rotatablely connected by rotational pin between rollover stand 20 and support plate 10, the rotation connection axis of the two (rotates Pin) it is arranged in parallel with support plate 10 and is arranged parallel with saw blade 61；Also by rotational pin between rollover stand 20 and casing 30 Realize rotation connection, the rotation connection axis and saw blade 61 of the two are mutually perpendicular to arrange；In this way, can be by adjusting casing 30 and overturning Rotational angle between frame 20 adjusts the height and position of saw blade 61, and then adjusts its depth of cut, while can be by adjusting turning over Crawl between pivoted frame 20 and support plate 10 twists angle to adjust tilt angle of the saw blade 61 relative to vertical plane, realizes true It protects under the premise of support plate 10 still forms support to casing 30 and inclined cut is carried out to plate or bar.

Be fixedly connected or be connected in support plate 10 respectively with vertically arranged first vertical plate 12 of support plate 10 and Two vertical plates 13 are provided with the first locking device for being locked at rollover stand 20 on first vertical plate 12 on rollover stand 20 21, the second locking device 22 for being locked at casing 30 on second vertical plate 13 is provided on casing 30.

First locking device 21 and the second locking device 22 can be conventional locking device.Preferably, the first vertical plate The first fixed arc groove 14 is offered on 12, and the first adjustable arc slot 23, the first fixed arc groove 14 are offered on rollover stand 20 And first the arc center of adjustable arc slot 23 be all located on the rotation connection axis between rollover stand 20 and casing 30, i.e., it is both same Axis is arranged and radian is identical, and first locking device 21 includes while being interspersed in the first fixed arc groove 14 and the first arc of motion The first bolt in shape slot 23, spiral is connected with the first nut, and the nut of the first bolt and the first nut point on the first bolt Not Wei Yu the first vertical plate 12 two sides, in this way, can be relatively rotated between rollover stand 20 and support plate 20 after unscrewing the first nut, It when turning to predetermined angular, tightens the first nut and the two is fastened, in order to accurately adjust rollover stand 20 and support plate 20 Between rotational angle, in the present embodiment, the first vertical plate 12 is provided at the position for being located at the side of the first adjustable arc slot 14 Angle index line.In addition, in the present embodiment, it is solid that first be connected to the first fixed arc groove 14 is offered on the first vertical plate 12 Determine location hole 15, offers and be connected to the first adjustable arc slot 23 and the with the cooperation of the first stationary positioned hole 15 on rollover stand 20 One movable positioning hole 24, when rollover stand 20 and support plate 20 relatively rotate to the first stationary positioned hole 15 and the first movable positioning hole 24 overlap position when, the first bolt can be moved to the position in the first stationary positioned hole 15 and the first movable positioning hole 24 Place, avoiding loosening in the first nut in cutting process causes to relatively rotate between rollover stand 20 and support plate 20.It needs It is bright, in the accompanying drawings, the first stationary positioned hole 15 and the first movable positioning hole 24 all only one, but can also be according to reality Border needs to be arranged multiple.

The structure of the second locking device 22 in the present embodiment is similar to the structure of the first locking device 21, specifically, the The second fixed arc groove 16 is offered on two vertical plates 13, offers the second adjustable arc slot (not shown) on casing 30, the The arc center of two fixed arc grooves 16 and the second adjustable arc slot is all located at the rotation connection between casing 30 and rollover stand 20 On axis；The second spiral shell that second locking device 22 includes while being interspersed in the second fixed arc groove 16 and the second adjustable arc slot Bolt, spiral is connected with the second nut on the second bolt, and the nut of the second bolt and the second nut are located at the second vertical plate 13 Two sides, in this way, can be relatively rotated between rollover stand 20 and casing 30 after unscrewing the second nut, when turning to predetermined angular, The first nut is tightened to fasten the two.In order to accurately adjust the rotational angle between rollover stand 20 and casing 30, in this reality It applies in example, casing 30 is provided with angle index line at the position being located at by the second fixed arc groove.

Casing 30 have is set in 61 top of saw blade and opening towards arrangement hood for protecting rider 31, certainly, saw blade 61 with block Cover 31 is not in contact with each other, and in other words, no matter how saw blade 61 rotates, and upper part is interspersed in always in the inner cavity of hood for protecting rider 31.It hides The dust discharge cylinder 32 being connected to the inner cavity of hood for protecting rider 31 is fixedly connected with or is connected in block cover 31, and dust discharge cylinder 32 is preferably disposed on At the tangent position of the tangent position of saw blade 61 or close saw blade 61, dust discharge cylinder 32 is arranged with dust far from one end of hood for protecting rider 31 Bag (being not shown in Fig. 1 and Fig. 2), the dust bag include the bag body and the elasticity for being used to support bag body that opening is connected to dust discharge cylinder 32 Skeleton 33, wherein bag body is conventional cloth bag, and the top of bag body is provided with notch, zipper, certainly, bag body are provided on the notch Oral area be seamed on elastic skeleton 33；Elastic skeleton 33 has the elastic buckles socket part 34 being set on dust discharge cylinder 32 and is used for Support the support portion 35 of bag body, 35 integrally connected of elastic buckles socket part 34 and support portion, specifically, elastic skeleton 33 is by iron bar system At, by by iron bar be coiled into a loop diameter be less than dust discharge cylinder 32 annulus, using the annulus elasticity realize and dust discharge cylinder 32 it Between snapping, and support portion 35 then linearly arrangement, for avoiding bag body from hanging under the effect of gravity.In addition, on dust discharge cylinder 32 The annular slot 36 cooperated with elastic buckles socket part 34 is offered, elastic buckles socket part 34 is helped avoid in this way and is taken off from dust discharge cylinder 32 It falls.In use, the high-speed rotation using saw blade 61 gets rid of the dust generated in cutting process in dust bag by dust discharge cylinder.

Preferably, in the present embodiment, the set being set on transmission shaft 60 is fixedly connected with or is connected on casing 30 Cylinder 61 is rotatably connected to movable guard 63 on sleeve 62, the rotation connection axis between movable guard 63 and sleeve 62 in saw blade 61 Mandrel is coaxially arranged, and saw blade 61 is interspersed in movable guard 63, and movable guard 63 is interspersed in hood for protecting rider 31, certainly, 61 He of saw blade It is non-touching between movable guard 63.In this way, movable guard 63 can be turned under saw blade 61 when cutting off thin plate Thin plate is cut using the side so that the periphery of saw blade 61 only has side not to be interspersed in movable guard 63 or hood for protecting rider 31 in portion It cuts, and cutting the part scrap generated or dust can then fall under gravity into movable guard 63 and be collected, into one Step avoids scrap or dust polluting environment, while also can be avoided saw blade 61 and accidentally cutting other things.

In order to avoid movable guard 63 slides naturally under the effect of gravity, in the present embodiment, compression is arranged on sleeve 62 Spring 64, and be connected with the circlip 65 supported on the intracavity sidewall of movable guard 63 on sleeve 62 and (certainly, needed out on sleeve 62 Equipped with clamping groove), one end of compressed spring 64 is supported on the lateral wall of movable guard 63, and the other end is supported on casing 30, this Movable guard 63 is pressed on circlip 64 by the pretightning force that sample can use the offer of compressed spring 64, it is avoided to go out under the effect of gravity The now rotation relative to sleeve 62.In addition, be interspersed with bolt (not shown) on hood for protecting rider 31, be provided on movable guard 63 with The hook 66 of bolt cooperation.Movable guard 63 is avoided to slide naturally under the effect of gravity by the cooperation of hook 66 and bolt.

Movable guard 63 rotates for ease of operation, in the present embodiment, operation handle 67 is fixedly connected on movable guard 63.

It is identical as conventional cutting machine, be connected with power supply line (not shown) on the motor 40 in the present embodiment, i.e., it is electric Source line 61 and its connection structure between motor 40 are identical as conventional cutting machine.Preferably, cycloid is provided on casing 30 Device 70, specifically, having main handle 37 and assist handle 38 on casing 30, gerotor device 70 is arranged on main handle 37.

Gerotor device 70 includes the bend pipe that the attachment base 71 that is fixedly connected on casing 30, one end are interspersed on attachment base 71 72 and the reset spring 73 that is set on bend pipe 72, wherein the connecting hole for interting bend pipe 72 is offered on attachment base 71 74, which is connected to the inner cavity of casing 30 with outside, and the oral area of inner cavity side of the connecting hole 74 far from casing 30 Position is provided with internal projecting ring 75, and the outer bulge loop 76 in connecting hole 74 is provided on bend pipe 72, and the internal diameter of internal projecting ring 75 is bigger In the outer diameter of bend pipe 72, the outer diameter of outer bulge loop 76 is greater than the internal diameter of internal projecting ring 75, i.e. bend pipe 72 can be interspersed in internal projecting ring 75, And outer bulge loop 75 is then difficult to pass through from internal projecting ring 75；One end of reset spring 74 is supported on outer bulge loop 76, and the other end is direct Or supported on attachment base 71 indirectly, specifically, in the present embodiment, being also fixedly connected in the inner cavity of casing 30 or connecting hole 74 There is guide ring 77, bend pipe 72 is interspersed in the guide ring 77 and can slide relative to guide ring 77, and one end of reset spring 73 is logical It crosses to support and be supported on attachment base 71 indirectly on guide ring 77.Reset spring 73 and internal projecting ring 75 are located at outer bulge loop 76 Two sides, bulge loop 76 outer in this way can be pressed on internal projecting ring 75 under the action of reset spring 73.In addition, internal projecting ring 75 is towards evagination The side of ring 76 offers more than two locating slots 78, each locating slot 78 even cloth, evagination centered on the axis of connecting hole 74 The side of ring 76 towards internal projecting ring 75 is provided with the locating piece 79 being interspersed in one of locating slot 78, and certainly, power supply line is worn It is inserted in the inner hole of bend pipe 72, in this way, the angle that power supply line is pierced by from casing 30 is dependent on the placement angle of bend pipe 72, adjusts The angle that is pierced by of power supply line also changes correspondingly after the placement angle of whole bend pipe 72, specific adjustment mode are as follows: by 72 casing of bend pipe 30 interior cavity direction pressing compresses compression reseting spring 73, while locating piece 79 by the outer bulge loop 76 being arranged on bend pipe 72 Deviate from from matched locating slot 78, bend pipe 72 is then unclamped after swing bend pipe 72 to predetermined position, outer bulge loop 76 is multiple It resets, is interspersed in another locating slot 78 again under the action of the spring 73 of position, complete adjustment process.

The utility model is described in detail above in conjunction with specific embodiment, but the embodiments of the present invention It is not limited to the above embodiments, those skilled in the art can make various changes according to the prior art to the utility model Shape, these are all within the protection scope of the present invention.

Claims (4)

1. a kind of hand-hold shearing unit convenient for operation, which is characterized in that including casing and be arranged in the casing and according to Motor, transmission gear and the transmission shaft of secondary transmission connection, the transmission shaft are pierced by out of described casing, and are pacified on the transmission shaft Equipped with saw blade, it is connected with power supply line on the motor, gerotor device is provided on the casing, the gerotor device includes fixing The bend pipe and be set in answering on the bend pipe that connection attachment base on the housing, one end are interspersed on the attachment base Position spring, offers the connecting hole for interting the bend pipe on the attachment base, and the connecting hole is by the inner cavity of the casing It is connected to outside, the mouth position of inner cavity side of the connecting hole far from the casing is provided with internal projecting ring, on the bend pipe It is provided with the outer bulge loop being located in the connecting hole, the internal diameter of the internal projecting ring is greater than the outer diameter of the bend pipe, the outer bulge loop Outer diameter be greater than the internal diameter of the internal projecting ring, one end of the reset spring supports on the outer bulge loop, the other end directly or It supports on the attachment base indirectly, and the reset spring and the internal projecting ring are located at the two sides of the outer bulge loop, institute The side for stating internal projecting ring towards the outer bulge loop offers more than two locating slots, and the outer bulge loop is towards the internal projecting ring Side is provided with the locating piece being interspersed in one of them described locating slot, and the power supply line is interspersed in the inner hole of the bend pipe In.

2. the hand-hold shearing unit as described in claim 1 convenient for operation, which is characterized in that the inner cavity of the casing is described Guide ring is also fixedly connected in connecting hole, the bend pipe is interspersed in the guide ring, and one end of the reset spring passes through It supports and is supported on the attachment base indirectly on the guide ring.

3. the hand-hold shearing unit as described in claim 1 convenient for operation, which is characterized in that have main handle on the casing And assist handle, the gerotor device are arranged on the main handle.

4. the hand-hold shearing unit convenient for operation as described in any claim in claim 1-3, which is characterized in that described Transmission gear is helical gear.