CN209615109U

CN209615109U - A kind of hand-held grinding wheel

Info

Publication number: CN209615109U
Application number: CN201920420155.9U
Authority: CN
Inventors: 孙帅
Original assignee: Henan Ningbizhi Industry Co Ltd
Current assignee: Henan Ningbizhi Industry Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-11-12
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a kind of hand-held grinding wheels, including handle, the shell and the grinding wheel below the shell being connect with described handle one end, the handle includes first body of rod, second body of rod, the handle is connect by rotation adjuster with the shell, lifting device is equipped in the shell, the lifting device is connected to motor by support rod, the grinding wheel is connect with the output end of the motor, the dust shield case of the motor being equipped with for collecting dust, the utility model structure is simple, the setting of lifting device, the length that can be needed to different operating workpiece is adjusted, it is high to solve the workpiece shapes requirement that common hand-held grinding wheel polishes to needs, the problem of spill workpiece cannot being processed, the setting of dust shield case, convenient for the dust generated during collection work, the setting of regulating mechanism and flameproof fabric, it can protect Staff is not burnt by spark, it is ensured that the safety of staff at work.

Description

A kind of hand-held grinding wheel

Technical field

The utility model relates to power tools technology fields, and in particular to a kind of hand-held grinding wheel.

Background technique

The formula abrasive machine of holding is the commonly used equipment for knife milling tool, tool, also serve as common small part be ground, deburring And the work such as cleaning, it is a kind of machining grinding tool, all with application in multiple industries, stability is poor when processing, influences to grind Chiltern amount, while needing to go to be moved by artificial experience, difficulty is larger, cumbersome, the handle of existing hand-held grinding wheel and The angle of grinding wheel is fixed, and can not make handle and grinding wheel that the angle needed be presented, and the length of handle is non-adjustable, in addition grinding wheel is in work Dust and spark, traditional frosted turbine, to avoid dust splashes from being provided with the cover of semicircular sector can be generated during work Body, but the dust in cover body is often accumulated and causes the revolving speed of grinding abrasive disk by large effect, and this cover body, meeting is used for a long time There is the accumulation of dust, needs to replace cover body in time, and cover body cannot stop spark to splash on the body of construction personnel, to constructor Member damages.

Summary of the invention

The purpose of the utility model is to provide a kind of structure is simple, hand-held grinding wheel easy to use.

Purpose of the utility model is realized as follows:

A kind of hand-held grinding wheel, including handle, the shell being connect with described handle one end and the sand below the shell Wheel, the handle includes first body of rod, second body of rod that is connect by regulating mechanism with first body of rod, and the handle passes through Rotation adjustment device is connect with the shell, and the lifting device for moving grinding wheel in vertical direction is equipped in the shell, The lifting device is connected to motor by support rod, and the grinding wheel is connect with the output end of the motor, the lifting device It is rotated coaxially by connector and including driving gear set, with gear assembly for changing the steering tooth of gear rotation direction Wheel apparatus and the sleeve rotated coaxially with the steer gear unit, the motor are equipped with for collecting the dust-proof of dust Box, the bottom of the dust shield case are equipped with the flameproof fabric for stopping spark, the dust shield case includes internal be hollow semicircular ring, The first guide plate and the second guide plate in the semicircular ring, first guide plate are located at the top of the semicircular ring, and described second Guide plate, which is located at the bottom of the semicircular ring, first guide plate and the second guide plate, will be divided into two relatively solely inside the dust shield case Vertical working space and dust accumulation space.

The regulating mechanism includes positioned at the first protrusion of first body of rod two sides, positioned at second body of rod two sides Second protrusion and release handle, the release handle is U-shaped, and the both-side opening end of the release handle is respectively and positioned at first body of rod First protrusion rotation connection of two sides, the two sides of the release handle are equipped with adjustment hole, the adjustment hole and second protrusion It is slidably matched, the distance of the first protrusion of described release handle side adjustment hole one end to the side is less than the adjustment hole other end to the side the The distance of one protrusion.

The adjustment hole is arc adjustment hole.

The tilt angle of first guide plate is greater than the tilt angle of second guide plate, and the first guide plate and the second guide plate It is not mutually closed, cuts the dust of generation by the gap between the first guide plate and the second guide plate, enter dust from working space Space and be one-way movement.

The rotation adjustment device includes cooperating positioned at the bolt of second body of rod one end and case top, with the bolt Nut, the bolt are located in the through-hole of second body of rod and shell, by loose nut, second body of rod can be made around column bolt Rotation.

The transmission gear means include first gear and the second gear that engages with the first gear, the steering tooth Wheel apparatus includes with the second gear by connecting the first tooth sector rotated coaxially, engaging with first tooth sector The second tooth sector, the first gear be equipped with handle, the central axis of second tooth sector and it is described first turn to The central axis of gear is mutually perpendicular to.

The support rod is equipped with screw thread, and the support rod is connect with the bush whorl.

The sleeve is flexibly connected by ball with the bottom plate of shell.

The beneficial effects of the utility model are: the utility model structure is simple, the setting of lifting device can be to different operating The length that workpiece needs is adjusted, and solves the workpiece shapes requirement height that common hand-held grinding wheel polishes to needs, cannot be to recessed The problem of shape workpiece is processed, the setting of dust shield case, convenient for the dust generated during collection work, working environment is protected Barrier, the setting of regulating mechanism and flameproof fabric for adjusting handle length can protect staff not burnt by spark, it is ensured that work Make the safety of personnel at work.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model dust shield case；

In figure: first body of rod 1, second body of rod 2, shell 3, motor 4, grinding wheel 5, dust shield case 6, flameproof fabric 7, rotation adjust dress Set 8, release handle 9, the first protrusion 10, the second protrusion 11, adjustment hole 12, first gear 13, second gear 14, the first tooth sector 15, the second tooth sector 16, rotating cylinder 17, support rod 18, the first guide plate 19, the second guide plate 20.

Specific embodiment

Below in conjunction with attached drawing, the utility model is described in further detail.

As depicted in figs. 1 and 2, a kind of hand-held grinding wheel including handle, the shell 3 connecting with described handle one end and is located at The grinding wheel 5 of 3 lower section of the shell, the handle include first body of rod 1, are connect with first body of rod 1 by regulating mechanism Second body of rod 2, the handle are connect by rotation adjustment device with the shell 3, are equipped in the shell 3 for making grinding wheel exist The lifting device of vertical direction movement, the lifting device are connect by support rod 18 with motor 4, the grinding wheel 5 and the electricity The output end of machine 4 connects, the lifting device include driving gear set, rotated coaxially by connector with gear assembly and Steer gear unit for changing gear rotation direction and the sleeve 17 that is rotated coaxially with the steer gear unit, the electricity The dust shield case 6 of machine 4 being equipped with for collecting dust, the bottom of the dust shield case 6 are equipped with the flameproof fabric 7 for stopping spark, It is hollow semicircular ring that the dust shield case 6, which includes internal, is located at the first guide plate 19 and the second guide plate 20 in the semicircular ring, described First guide plate 19 is located at the top of the semicircular ring, and second guide plate 20 is located at the bottom of the semicircular ring, and described first leads Plate 19 and the second guide plate 20 will be divided into two relatively independent working spaces and dust accumulation space inside the dust shield case 6, and described The tilt angle of one guide plate 19 is greater than the tilt angle of second guide plate 20, and tilt angle is with 4 output end of motor vertical On the basis of face where the axis in direction, the inclination angle that the first guide plate 19 and the second guide plate 20 are generated relative to this face, and the One guide plate 19 and the second guide plate 20 are not mutually closed, and the dust for cutting generation passes through between the first guide plate 19 and the second guide plate 20 Gap enters dust collecting space from working space and is one-way movement, and dust support enters dust collecting space, Bu Nengcong from working space Dust collecting space enters working space, convenient for the dust generated during collection work, protects the working environment of staff Barrier.

The regulating mechanism includes positioned at the first protrusion 10 of first body of rod, 1 two sides, positioned at 2 liang of second body of rod The second protrusion 11 and release handle 9, second body of rod 2 of side are placed in second body of rod 1, and first body of rod 1 is hollow, the release handle 9 U-shaped, the both-side opening end of the release handle 9 is rotatablely connected with the first protrusion 10 for being located at first body of rod, 1 two sides respectively, The two sides of the release handle 9 are equipped with adjustment hole 12, and the adjustment hole 12 is slidably matched with second protrusion 11, the adjusting The distance of 9 side adjustment hole of handle, 12 one end to first protrusion of side 10 is less than 12 other end of adjustment hole to first protrusion of side 10 Distance, the adjustment hole 12 be arc adjustment hole, when cutting workpiece it is harder, generate spark compare ambassador, can by release handle 9, The second protrusion 11 is set to slide into the other end of adjustment hole 12 from one end of adjustment hole 12, while release handle 9 is around the first protrusion 10 Rotation, increases the length of handle, and after the length for reaching needs, the logical of horizontal direction is equipped on first body of rod 1 and second body of rod 2 Hole, the through-hole that bolt passes through first body of rod 1 and second body of rod 2 can be by first body of rod, 1 He by the cooperation of bolts and nuts Second body of rod 2 is fixed, and staff is avoided to be burnt by spark.

The rotation adjustment device includes cooperating positioned at the bolt at 3 top of second body of rod, 2 one end and shell, with the bolt Nut, one end of second body of rod 2 and the top of shell 3 be equipped with through-hole, and the bolt is located at second body of rod, 2 He In the through-hole of shell 3, the bolt passes through the through-hole of second body of rod 2 and the through-hole of shell 3, and second body of rod 2 can be around bolt Rotation can make second body of rod 2 rotate certain angle around column bolt by loose nut, adjust the folder of handle and the shell 3 Angle, so as to adjust the angle of handle and the grinding wheel 5, convenient for carrying out sanding and polishing to workpiece.

The lifting device is connect by support rod 18 with motor 4, the lifting device include driving gear set, with it is described Gear assembly rotated coaxially by connector and for changing the steer gear unit of gear rotation direction and with described turn The sleeve 17 rotated coaxially to geared system, the transmission gear means include first gear 13 and nibble with the first gear 13 The second gear 14 of conjunction, the steer gear unit include the first steering rotated coaxially with the second gear 14 by connection Gear 15, the second tooth sector 16 engaged with first tooth sector 15, the first gear 13 is equipped with handle, described The central axis of second tooth sector 16 and the central axis of first tooth sector 15 are mutually perpendicular to, and the support rod 18 is equipped with Screw thread, the support rod 18 are threadedly coupled with the sleeve 17, and the sleeve 17 is connected by the bottom plate activity of ball and shell 3 It connects, shakes with hands handle, first gear 13 rotates, and first gear 13 is engaged with second gear 14, and second gear 14 passes through connection Part is rotated coaxially with the first tooth sector 15, and the first tooth sector 15 is engaged with the second tooth sector 16, and the second tooth sector The central axis of 16 central axis and first tooth sector 15 is mutually perpendicular to, i.e. the first tooth sector 15 and the second tooth sector 16 rotation direction is mutually perpendicular to, and the second tooth sector 16 coaxially rotates in the horizontal direction with moving sleeve 17, and sleeve 17 is in water When square being rotated up, support rod 18 is driven to rise or fall, adjusts the height of grinding wheel 5, and height adjusts accurate, user Just, the length that can be needed to different operating workpiece is adjusted, and solves the workpiece shapes that common hand-held grinding wheel polishes to needs It is required that it is high, the problem of cannot being processed to spill workpiece.

The utility model structure is simple, the setting of lifting device, and the length that can be needed to different operating workpiece is adjusted, It is high to solve the workpiece shapes requirement that common hand-held grinding wheel polishes to needs, the problem of cannot being processed to spill workpiece, prevents The setting of dirt box, convenient for the dust generated during collection work, working environment is protected, for adjusting the tune of handle length The setting for saving mechanism and flameproof fabric, can protect staff not burnt by spark, it is ensured that the safety of staff at work.

Claims

1. a kind of hand-held grinding wheel, including handle, the shell being connect with described handle one end and the grinding wheel below the shell, It is characterized by: the handle includes first body of rod, second body of rod that is connect by regulating mechanism with first body of rod, it is described Handle is connect by rotation adjustment device with the shell, and the liter for moving grinding wheel in vertical direction is equipped in the shell Falling unit, the lifting device are connected to motor by support rod, and the grinding wheel is connect with the output end of the motor, the liter Falling unit includes that driving gear set and gear assembly are rotated coaxially by connector and for changing gear rotation direction Steer gear unit and the sleeve rotated coaxially with the steer gear unit, the motor are equipped with for collecting dust Dust shield case, the bottom of the dust shield case are equipped with the flameproof fabric for stopping spark, and it is hollow half that the dust shield case, which includes internal, Annulus is located at the first guide plate and the second guide plate in the semicircular ring, and first guide plate is located at the top of the semicircular ring, described Second guide plate, which is located at the bottom of the semicircular ring, first guide plate and the second guide plate, will be divided into two phases inside the dust shield case To independent working space and dust accumulation space.

2. hand-held grinding wheel according to claim 1, it is characterised in that: the regulating mechanism includes being located at first body of rod First protrusion of two sides, the second protrusion and release handle positioned at second body of rod two sides, the release handle is U-shaped, the tune The both-side opening end for saving handle is rotatablely connected with the first protrusion for being located at first body of rod two sides respectively, the two sides of the release handle It is equipped with adjustment hole, the adjustment hole is slidably matched with second protrusion, described release handle side adjustment hole one end to the side The distance of first protrusion is less than the distance of the adjustment hole other end to first protrusion of side.

3. hand-held grinding wheel according to claim 2, it is characterised in that: the adjustment hole is arc adjustment hole.

4. hand-held grinding wheel according to claim 1, it is characterised in that: the tilt angle of first guide plate is greater than described the The tilt angle of two guide plates, and the first guide plate and the second guide plate are not mutually closed, cut the dust of generation by the first guide plate and Gap between second guide plate enters dust collecting space from working space and is one-way movement.

5. hand-held grinding wheel according to claim 1, it is characterised in that: the rotation adjustment device includes being located at second body of rod The bolt of one end and case top, the nut with bolt cooperation, the bolt are located at leading to for second body of rod and shell In hole, by loose nut, second body of rod can be made to rotate around column bolt.

6. hand-held grinding wheel according to claim 1, it is characterised in that: the transmission gear means include first gear and with The second gear of the first gear engagement, the steer gear unit include being rotated coaxially with the second gear by connection The first tooth sector, the second tooth sector for being engaged with first tooth sector, the first gear is equipped with handle, institute The central axis for stating the central axis and first tooth sector of the second tooth sector is mutually perpendicular to.

7. hand-held grinding wheel according to claim 6, it is characterised in that: the support rod is equipped with screw thread, the support rod It is connect with the bush whorl.

8. hand-held grinding wheel according to claim 6, it is characterised in that: the sleeve passes through the activity of the bottom plate of ball and shell Connection.