CN208262520U

CN208262520U - Electric tool and angle grinder

Info

Publication number: CN208262520U
Application number: CN201820725650.6U
Authority: CN
Inventors: 刘永明
Original assignee: Nanjing Chervon Industry Co Ltd
Current assignee: Nanjing Chervon Industry Co Ltd
Priority date: 2018-05-15
Filing date: 2018-05-15
Publication date: 2018-12-21
Anticipated expiration: 2028-05-15

Abstract

The utility model discloses a kind of electric tool and angle grinders, electric tool includes: output shaft, motor, shell, main switch, locking piece, axis lock-switch and STATEMENT OF FEDERALLY SPONSORED, output shaft can be rotated by axis of first axle, motor includes the motor shaft that can be rotated using electrical axis as axis, main switch can move between the starting position of starting motor and the closed position of closing motor less, locking piece can at least move between the second position of the rotation of the first position and release output shaft of the rotation of locking output shaft, axis lock-switch drives locking piece to move towards first position when being user-operably, STATEMENT OF FEDERALLY SPONSORED is connect with main switch, and with movement of the main switch between starting position and closed position change in location can occur for STATEMENT OF FEDERALLY SPONSORED；Wherein, when main switch is user-operably and moves from closed position to starting position, STATEMENT OF FEDERALLY SPONSORED drives locking piece to move towards the second position.The electric tool makes user's operation more convenient.

Description

Electric tool and angle grinder

Technical field

The utility model relates to a kind of electric tool, especially a kind of angle grinder.

Background technique

The electric tool of angle grinder one kind needs to install the operation for being ground and being ground, cut etc..In order to facilitate use Family installation is ground, and the axle lock device of the rotation for locking output shaft can be also provided in angle grinder, but existing axis lock fills Set and need user's pressing axis lock button always, thus user's operation get up it is quite inconvenient.

Utility model content

To solve the deficiencies in the prior art, facilitate user installation attachment the purpose of this utility model is to provide a kind of Electric tool.

In order to achieve the above objectives, the utility model adopts the following technical solutions:

A kind of electric tool, comprising:

Output shaft, the output power when being rotated using first axle as axis；

Motor, including the motor shaft that can be rotated using electrical axis as axis；

Shell, at least formed with the receiving portion for accommodating motor；

Main switch can at least move between the starting position of starting motor and the closed position of closing motor；

Locking piece can at least move between the first position and the second position, when locking piece is located at first position, output The rotation of axis is locked, and when locking piece is located at the second position, the rotation of output shaft is released；

Axis lock-switch drives locking piece to move towards first position when being user-operably；

STATEMENT OF FEDERALLY SPONSORED is connect with main switch, and STATEMENT OF FEDERALLY SPONSORED can be with fortune of the main switch between starting position and closed position It moves and change in location occurs；

Wherein, when main switch is user-operably and moves from closed position to starting position, STATEMENT OF FEDERALLY SPONSORED drives locking piece court It is moved to the second position.

Further,

Electric tool further include:

First fastener is connect with axis lock-switch；

Second fastener, connect with shell；

Wherein, when axis lock-switch is user-operably, the first fastener is constituted with the second fastener to be cooperated so that axis lock is opened The position of pass is locked.

Further,

Second fastener is fixedly connected with shell composition.

Further,

First fastener and axis lock-switch, which are constituted, to be rotatablely connected；

Electric tool further include:

First elastic element, one is generated when axis lock-switch is user-operably turns to the first fastener and the second card The state of fastener cooperation.

Further,

First fastener is formed with the first clamping part, and the second fastener is formed with the second card that can cooperate with the first clamping part Buckle；When main switch is user-operably and moves from closed position to starting position, STATEMENT OF FEDERALLY SPONSORED is contacted and is driven with the first fastener Dynamic first clamping part is detached from the second clamping part.

Further,

Electric tool further include:

Second elastic element generates the elastic force for resetting axis lock-switch when axis lock-switch is user-operably.

Further,

Electric tool further include:

First transmission gear can be motor driven and rotate；

Second transmission gear, installation to output shaft simultaneously constitute synchronous rotation with output shaft；

Wherein, the second transmission gear is engaged with the first transmission gear composition.

Further,

Locking piece is can be along the pin that the direction of first axle moves be parallel to, and the second transmission gear is formed with and can be embedded in by pin Groove.

Further,

Electrical axis is perpendicular to first axle.

A kind of angle grinder, comprising:

Output shaft, the output power when being rotated using first axle as axis；

Shell at least forms the receiving portion for accommodating motor；

Locking piece, at least can be in the second position of the rotation of the first position and release output shaft of the rotation of locking output shaft Between move；

The utility model has the beneficial effect that user is not necessarily to pressing axis lock-switch always in dismantling device attachment, from And facilitate operation；And without being additionally formed one for releasing the switch of the locking to output shaft rotation.

Detailed description of the invention

Fig. 1 is the plan view of electric tool；

Fig. 2 is the top view of the electric tool in Fig. 1；

Fig. 3 be electric tool in Fig. 2 in part-structure along line A-A by section view when plan view；

Fig. 4 is plan view of the electric tool after removing partial shell in Fig. 1, and main switch is in the closed position at this time；

Fig. 5 is the perspective view of structure shown in Fig. 4；

Fig. 6 is the amplification stereogram of part-structure in Fig. 4；

Fig. 7 be electric tool in Fig. 2 in part-structure along line B-B by section view when plan view, main switch is at this time Closed position；

Fig. 8 is plan view of the electric tool after removing partial shell in Fig. 1, and main switch is in starting position at this time；

Fig. 9 is the perspective view of structure shown in Fig. 8；

Figure 10 is the amplification stereogram of part-structure in Fig. 8；

Figure 11 be electric tool in Fig. 2 in part-structure along line B-B by section view when plan view, main switch is at this time Start position.

Specific embodiment

Electric tool 100 as shown in Figure 1 is specially a kind of angle grinder, mainly can be used in cutting, grinding and brush Grind metal and stone material etc..

As shown in Fig. 1 to 3 figures, electric tool 100 includes: shell 11, motor, main switch 12, output shaft 13 and shield 14, Wherein, motor is arranged in shell 11, and motor further includes the motor shaft 15 that can be axis rotation with electrical axis 101.

Shell 11 is also formed with handle portion 111 and receiving portion 112, and handle portion 111 is used to hold for user, handle portion 111 Substantially extend along 101 direction of electrical axis, in space made of motor setting is surrounded in handle portion 111, receiving portion 112 is arranged In one end of handle portion 111, receiving portion 112 substantially extends along the direction perpendicular to electrical axis 101, and receiving portion 112 is enclosed Transmission component can be accommodated in the space made of.

Motor is for driving output shaft 13 with first axle 102 for axis rotation.Main switch 12 is arranged on shell 11, and master opens 12 are closed to be used for for user's operation to start or close motor.Main switch 12 and shell 11 are constituted can be in starting position and close stance That moves between setting is slidably connected.When main switch 12 is located at starting position, motor is activated；When main switch 12 is located at close stance When setting, motor is closed.

Output shaft 13 is for receiving simultaneously installation tool attachment, and for angle grinder, attachment is specifically as follows grinding. Output shaft 13 output power, first axle 102 when being motor driven with first axle 102 is axis rotation also are normal to motor shaft Line 101.Energy band power driven tools attachment rotates together when output shaft 13 rotates, to realize the function of cutting, grinding etc..Output shaft 13 The first axle 102 of rotation also is normal to the electrical axis 101 of the rotation of motor shaft 15.

Transmission component includes: the first transmission gear 16 and the second transmission gear 17, in the present embodiment, the first transmission gear 16 and second transmission gear 17 be bevel gear.First transmission gear 16 can be motor driven and be driven, specifically, first passes Moving gear 16 is fixedly installed to motor shaft 15 and constitutes with motor shaft 15 and rotates synchronously.Second transmission gear 17 is fixedly installed to defeated Shaft 13 simultaneously constitutes synchronous rotation with output shaft 13.In this way, when the first transmission gear 16 is engaged with the second transmission gear 17 composition When, motor can drive output shaft 13 with first axle 102 for axis rotation.

Shield 14 is used for the generated clast during the work time of backstop electric tool 100, for this purpose, installing in output shaft 13 When attachment, shield 14 is being upwardly into few encirclement for carrying out part week around first axle 102 to attachment.

As shown in Fig. 3 to Figure 11, in the present embodiment, electric tool 100 further includes locking for locking the axis of output shaft 13 Device 20, so that user be facilitated to replace attachment.

Specifically, axle lock device 20 includes: locking piece 21, axis lock-switch 22 and STATEMENT OF FEDERALLY SPONSORED 23, locking piece 21 is for locking The rotation of output shaft 13 is determined, so that user be facilitated to replace attachment.

Locking piece 21 can move between the first position and the second position with respect to shell 11, when locking piece 21 is located at first When setting, the rotation of output shaft 13 is locked, and when locking piece 21 is located at the second position, the rotation of output shaft 13 is released.Axis lock The installation of switch 22 is slidably connected to shell 11 and with the composition of shell 11, and axis lock-switch 22 drives locking piece 21 when being user-operably Towards the first position movement of the rotation of locking output shaft 13.STATEMENT OF FEDERALLY SPONSORED 23 and main switch 12, which are constituted, to be connected, and 23 energy of STATEMENT OF FEDERALLY SPONSORED It is enough that change in location occurs in the movement started between position and closed position with main switch 12.When main switch 12 is user-operably From closed position to when the movement of starting position, STATEMENT OF FEDERALLY SPONSORED 23 drives locking piece 21 to move towards the second position.In this way, when axis lock is opened When pass 22 is user-operably, locking piece 21 is located at first position, and without user, pressing axis lock-switch 22 is defeated to lock always The rotation of shaft 13, and then user can more easily replace attachment；On the other hand, by the movement of main switch 12 so that locking Part 21 is moved to the second position that the rotation of output shaft 13 is released, without user's contact is in addition arranged again to output The reset switch of the locking of axis 13, and then facilitate operation, reduce manufacturing cost.

More specifically, locking piece 21 be can be along being parallel to the pin that the direction of first axle 102 moves, pin is along being parallel to the The direction of one axis 102 extends, and the second side of the transmission gear 17 far from shield 14 is arranged in pin, and pin is parallel to first axle on edge The direction of line 102 can move first position and the second position when mobile.Second transmission gear 17 is formed with recessed close to the side of pin Slot 171, pin can be embedded in the rotation that the second transmission gear 17 is locked in groove 171, and then lock the rotation of output shaft 13. Specifically, pin is embedded in the groove 171 of the second transmission gear 17 when pin is moved to first position, thus output shaft 13 Rotation is locked；When pin is moved to the second position, pin is detached from the second transmission gear 17, so that the rotation of output shaft 13 is released It puts.Axis lock-switch 22 is also formed with a mounting hole, and pin is inserted into mounting hole and constitutes with axis lock-switch 22 and is interference fitted.

Axle lock device 20 further include: the first fastener 24, the second fastener 25, the first fastener 24 connect with axis lock-switch 22 It connecing, the second fastener 25 is connect with shell 11, when axis lock-switch 22 is user-operably, the first fastener 24 and the second fastener 25 constitute cooperation so that the position of axis lock-switch 22 is locked.

Specifically, axis lock-switch 22 is slidably connected in the composition of shell 11, the first fastener 24 can be with 22 phase of axis lock-switch Shell 11 is slided together, the direction that the opposite shell 11 of axis lock-switch 22 slides is also parallel with first axle 102.First fastener 24 be also the rotation connection of axis with second axis 103 with the composition of axis lock-switch 22, and the second axis 103 is perpendicular to first axle 102.Axis lock-switch 22 is connected with the shaft 26 extended along 103 direction of second axis, and the first fastener 24 is installed to shaft 26, So that the first fastener 24 is constituted with axis lock-switch 22 and is rotatablely connected.Axle lock device 20 further includes the first elastic element 27, First elastic element 27 can generate one when axis lock-switch 22 is user-operably turns to the first fastener 24 and the second card The state that fastener 25 cooperates.Furthermore, the first elastic element 27 is to install to the torsional spring in shaft 26.

First fastener 24 is also formed with the first clamping part 241, and the second fastener 25 is also formed with and the first clamping part 241 Cooperate to limit the second clamping part 251 of 24 position of the first fastener.First clamping part 241 is formed with the first inclined-plane 241a, the Two clamping parts 251 are formed with the second inclined-plane 251a, and the first inclined-plane 241a substantially intersects at one with the inclination of first axle 102 flat Extend in face, the second inclined-plane 251a is substantially parallel with the first inclined-plane 241a.In this way, when the first fastener 24 exists with axis lock-switch 22 Along be parallel to moved on the direction of first axle 102 when, the second inclined-plane 251a can be driven by the contact with the first inclined-plane 241a Dynamic first fastener, 24 relative axle lock-switch 22 rotated an angle, while the first elastic element 27 generates an elastic force, At this moment the first fastener 24 continues to move with axis lock-switch 22 along the direction for being parallel to first axle 102, until first Clamping part 241 and the second clamping part 251 align, at this moment the first fastener of elasticity power drive 24 caused by the first elastic element 27 It turns to the first clamping part 241 and is embedded in the second clamping part 251, to realize that the second fastener 25 locks the first fastener 24 Position.

In this way, the first fastener 24 can turn to the first clamping part 241 and when axis lock-switch 22 is user-operably The state of two clamping parts 251 cooperation, so that the position of the first fastener 24 is locked, thus the position quilt of axis lock-switch 22 Locking, is locked in first position into locking piece 21.

23 one end of STATEMENT OF FEDERALLY SPONSORED connect with main switch 12, the first fastener of another end in contact 24, main switch 12 and 11 structure of shell 103 direction of second axis rotated at the direction being slidably connected perpendicular to the first fastener 24.When the first fastener 24 and second When fastener 25 constitutes cooperation, and when main switch 12 is in the closed position, STATEMENT OF FEDERALLY SPONSORED 23 is close to one end of the first fastener 24 It contacts and supports with the first fastener 24；And when main switch 12 is mobile to starting position from closed position, STATEMENT OF FEDERALLY SPONSORED 23 also with Main switch 12 moves together, one end driving 24 relative axle of the first fastener lock that at this moment STATEMENT OF FEDERALLY SPONSORED 23 is contacted with the first fastener 24 Switch 22 rotates and is detached from cooperation with the second fastener 25, and at this moment the first fastener 24 and axis lock-switch 22 are along being parallel to the Position on one axis, 102 direction is released, and axle lock device 20 further includes the second elastic element 28,28 energy of the second elastic element The elastic force for resetting axis lock-switch 22, at this moment, the second elastic element 28 are generated when axis lock-switch 22 is user-operably It is resetted by the elastic force drive shaft lock-switch 22 of its own and the first fastener 24, while locking piece 21 is also with axis lock-switch 22 It is reset to the second position together, at this moment, the rotation of output shaft 13 is released.

In addition, the first fastener 24 is also formed with a hole 242, the hole 242 is for the insertion of STATEMENT OF FEDERALLY SPONSORED 23.In this way, as master When switch 12 is in starting position, STATEMENT OF FEDERALLY SPONSORED 23 is inserted into hole 242.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation Technical solution obtained, all falls in the protection scope of the utility model.

Claims

1. a kind of electric tool, comprising:

Output shaft, the output power when being rotated using first axle as axis；

Shell, at least formed with the receiving portion for accommodating the motor；

Main switch can at least move between the starting position for starting the motor and the closed position for closing the motor；

It is characterized by:

The electric tool further include:

Locking piece can at least move between the first position and the second position, when the locking piece is located at the first position, The rotation of the output shaft is locked, and when the locking piece is located at the second position, the rotation of the output shaft is released；

Axis lock-switch drives the locking piece to move towards the first position when being user-operably；

STATEMENT OF FEDERALLY SPONSORED is connect with the main switch, and the STATEMENT OF FEDERALLY SPONSORED can be with the main switch in the starting position and described Movement between closed position and change in location occurs；

Wherein, when the main switch is user-operably and moves from the closed position to the starting position, the STATEMENT OF FEDERALLY SPONSORED The locking piece is driven to move towards the second position.

2. electric tool according to claim 1, it is characterised in that:

The electric tool further include:

First fastener is connect with the axis lock-switch；

Second fastener is connect with the shell；

Wherein, when the axis lock-switch is user-operably, first fastener and second fastener constitute cooperate with Keep the position of the axis lock-switch locked.

3. electric tool according to claim 2, it is characterised in that:

Second fastener is fixedly connected with shell composition.

4. electric tool according to claim 3, it is characterised in that:

First fastener and the axis lock-switch, which are constituted, to be rotatablely connected；

The electric tool further include:

First elastic element, generating one when the axis lock-switch is user-operably turns to first fastener and institute State the state of the second fastener cooperation.

5. electric tool according to claim 4, it is characterised in that:

First fastener is formed with the first clamping part, and second fastener, which is formed with, to be cooperated with first clamping part The second clamping part；It is described when the main switch is user-operably and moves from the closed position to the starting position Moving part contacts with first fastener and first clamping part is driven to be detached from second clamping part.

6. electric tool according to claim 1, it is characterised in that:

The electric tool further include:

Second elastic element generates the elasticity for resetting the axis lock-switch when the axis lock-switch is user-operably Power.

7. electric tool according to claim 1, it is characterised in that:

The electric tool further include:

First transmission gear can be rotated by the motor driven；

Second transmission gear, installation to the output shaft simultaneously constitute synchronous rotation with the output shaft；

Wherein, second transmission gear is engaged with first transmission gear composition.

8. electric tool according to claim 7, it is characterised in that:

The locking piece is can be along the pin that the direction of the first axle moves be parallel to, and second transmission gear is formed with energy The groove being embedded in by the pin.

9. electric tool according to claim 8, it is characterised in that:

The electrical axis is perpendicular to the first axle.

10. a kind of angle grinder, comprising:

Output shaft, the output power when being rotated using first axle as axis；

Shell at least forms the receiving portion for accommodating the motor；

It is characterized by:

The angle grinder further include:

Locking piece, at least can be the second of the rotation of the first position and the release output shaft that lock the rotation of the output shaft It is moved between position；