CN207746863U - A kind of angle grinder - Google Patents
A kind of angle grinder Download PDFInfo
- Publication number
- CN207746863U CN207746863U CN201721893473.4U CN201721893473U CN207746863U CN 207746863 U CN207746863 U CN 207746863U CN 201721893473 U CN201721893473 U CN 201721893473U CN 207746863 U CN207746863 U CN 207746863U
- Authority
- CN
- China
- Prior art keywords
- axle
- lock tongue
- shield
- locking piece
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
- B24B55/05—Protective covers for the grinding wheel specially designed for portable grinding machines
- B24B55/052—Protective covers for the grinding wheel specially designed for portable grinding machines with rotating tools
Abstract
The utility model discloses a kind of angle grinder, belongs to power tools technology field.Including shell, output shaft, axle sleeve, shield and locking piece, axle sleeve is fixedly attached to the shell, and shield includes axle journal and the cover body that is connect with the end face of axle journal, and the peripheral surface of axle journal is circumferentially arranged, and there are one above through-holes；Locking piece is fixedly connected with the casing, the lock tongue that can be engaged with through-hole is provided on locking piece and for making lock tongue be detached from the operation portion of through-hole to overcome elastic force for user's operation, lock tongue, which is included in, locks the locking surface that shield is rotated in a first direction using first axle as axis when being contacted with an inner wall of through-hole, locking surface can lock shield, pass through operation portion, when pulling locking piece, shield quick-replaceable and angle adjustment are realized.
Description
Technical field
The utility model is related to power tools technology field more particularly to a kind of angle grinders.
Background technology
Angle grinder be it is a kind of using fiberglass cut and polish portable electric tool, be mainly used for cutting, grinding and
Brushing metal and stone material etc..The work grinding of angle grinder is outer in the prior art generally can all cover a protective case, by bruting process
The grains of sand and airborne dust of middle generation are limited in protective case.
Cutting is needed using closing shield, as long as and being ground and using half shield.It is frequently necessary in actual use
It is switched between both working conditions.In consideration of it, also needs are carried out according to use demand to the replacement of shield, and shield
It is often very cumbersome to replace, and leads to the reduction of working efficiency.In addition, shield is to be fixedly mounted on end cap at present, tear open
Inconvenience is unloaded, and mounting hole is corresponding with the mounting hole on end cap, the direction of shield can not be also adjusted after dismounting, it is inconvenient for use.
Utility model content
The purpose of this utility model is to provide a kind of angle grinders, to solve shield dismounting existing in the prior art not
Just the technical issues of, direction cannot be adjusted.
As above conceive, technical solution is used by the utility model：
A kind of angle grinder, including：
Shell；
Output shaft is at least partly extend out to outside the shell, and the relatively described shell of the output shaft can be with first axle
Shaft rotation is dynamic；
Axle sleeve, is fixedly attached to the shell, and the output shaft passes through the axle sleeve；
Shield, including axle journal and the cover body that is connect with the end face of the axle journal, the shield and the axle sleeve are detachable
Connection, when the shield is connected to the axle sleeve, the axle journal is at least partly sheathed on the periphery of the axle sleeve；
The angle grinder further includes：
Locking piece is connect with the shell；
The axle journal is provided with more than one through-hole on the circumferencial direction around first axle；The locking piece packet
It includes：The lock tongue of the through-hole can be inserted into；The lock tongue is included in the when of being contacted with an inner wall of the through-hole and locks the shield
The locking surface being rotated in a first direction as axis using the first axle；Wherein, the locking piece further includes for for user's operation
The lock tongue is set to be detached from the operation portion of the through-hole to overcome elastic force；
Alternatively, the axle journal is provided with more than one groove on the circumferencial direction around first axle；The locking
Part includes：The lock tongue of the groove can be inserted into；The lock tongue is included in when being contacted with a cell wall of the groove described in locking
The locking surface that shield is rotated in a first direction using the first axle as axis；Wherein, the locking piece further includes for for user
Operation makes the lock tongue be detached from the operation portion of the groove to overcome elastic force.
Wherein, the lock tongue further includes allowing the shield with when being contacted with another inner wall of the through-hole of the axle journal
One axis is the sliding surface that axis is rotated in a second direction,.
Wherein, the locking piece further includes and the sequentially connected middle part of the operation portion and fixed part, the fixed part
Be fixedly connected with the shell, the middle part is located between the outer surface and the shell of the axle journal, the operation portion with
The overbending direction of the middle part is opposite.
Wherein, the lock tongue is located at the middle part, and the sliding surface is close to the fixed part.
Wherein, the side of the fixed part is provided with another lock tongue in the lock tongue on the middle part, it is described
The development length of lock tongue is more than the development length of another lock tongue.
Wherein, the fixed part is fixedly connected by screw with the shell, and mounting groove is provided on the shell, described
Fixed part is provided with the positioning protrusion that can be clamped with the mounting groove.
Wherein, the block that can be abutted with the cover body is extended in the one side edge of the locking piece, the locking piece
The flange that can be abutted with the step surface of the axle sleeve is extended on another lateral edges.
Wherein, the position that the lock tongue is corresponded on the axle sleeve is provided with storage tank, and the end of the lock tongue can stretch into institute
It states in storage tank.
Wherein, the direction of the operation portion flexible deformation is vertical with the first axle.
Wherein, the axle sleeve is formed with more than one sliding slot, the axle journal on the circumferencial direction around first axle
Other end edge extend inwardly to form the limit protrusion coordinated with the sliding slot.
The beneficial effects of the utility model：
The utility model proposes angle grinder, locking piece can be pulled by operation portion, so that lock tongue and through-hole is detached from, will lock
Determine part to pull to the direction far from shield, so that the axle journal of shield is set on axle sleeve, locking piece is resetted, lock tongue is made to be caught in through-hole
In, it is easy to assembly；The locking surface of lock tongue can lock shield；When pulling operation portion, shield can be lifted down from axle sleeve,
Realize shield quick-replaceable or angle adjustment.
Description of the drawings
Fig. 1 is the structural schematic diagram of angle grinder provided by the utility model；
Fig. 2 is the decomposition diagram of the part-structure of angle grinder provided by the utility model；
Fig. 3 is the explosive view of the part-structure of angle grinder provided by the utility model；
Fig. 4 is the vertical view of locking piece provided by the utility model；
Fig. 5 is enlarged drawing at the A of Fig. 4；
Fig. 6 is the structural schematic diagram of locking piece provided by the utility model；
Fig. 7 is that the angle grinder of Fig. 2 omits the structural schematic diagram after shield；
Fig. 8 is the vertical view of Fig. 7；
Fig. 9 is the structural schematic diagram that the shield of angle grinder provided by the utility model is in the lock state；
Figure 10 is the part-structure schematic diagram of angle grinder provided by the utility model.
In figure：
1, shell；2, output shaft；3, control switch；4, axle sleeve；5, shield；6, locking piece；
11, mounting groove；
41, annular groove；42, sliding slot；43, storage tank；
51, axle journal；52, cover body；53, limit protrusion；54, through-hole；
61, lock tongue；62, operation portion；63, middle part；64, fixed part；65, another lock tongue；66, block；67, flange；
68, mounting hole；69, positioning protrusion；
611, locking surface；612, sliding surface.
Specific implementation mode
The technical issues of to make the utility model solve, the technical solution of use and the technique effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrate only for ease of description, in attached drawing with the relevant part of the utility model and it is not all.
Referring to Fig. 1, the utility model embodiment provides a kind of angle grinder, including shell 1, output shaft 2, axle sleeve 4, shield 5
With locking piece 6, output shaft 2 is at least partly extend out to outside shell 1, and output shaft 2 can be dynamic by shaft rotation of first axle with respect to shell 1；
Axle sleeve 4 is fixedly attached to shell 1, and output shaft 2 passes through axle sleeve 4；Control switch 3 is provided on shell 1, control switch 3 can be controlled
Output shaft 2 rotates or stops, and the position that human hand gripping is corresponded on shell 1 is provided with protrusion, increasing friction force, convenient for holding.Shield
Cover 5 is detachably connected with axle sleeve 4, and locking piece 6 connect with shell 1 and is clamped with shield 5, and locking piece 6 can limit shield 5
Position.In the present embodiment, shield 5 is half shield, certainly, is also applied for the assembly or disassembly of closing shield, this is not restricted.
First axle is the central axis of output shaft 2.
Referring to Fig. 2, the peripheral surface of axle sleeve 4 is provided with circumferential annular groove 41 and axial sliding slot 42, one end of sliding slot 42
It is connected to annular groove 41, the other end of sliding slot 42 is concordant with the end face of the other end of axle sleeve 4；Sliding slot 42 has several, and around axle sleeve 4
Axis be evenly spaced on.In the present embodiment, there are four sliding slots 42.
Shield 5 is including axle journal 51 and the cover body 52 being connect with the end face of axle journal 51, the axis when shield 5 is connected to axle sleeve 4
Neck 51 is at least partly sheathed on the periphery of axle sleeve 4；The other end of axle journal 51 is inwardly convexly equipped with limit protrusion 53, when assembly, makes
The limit protrusion 53 of shield 5 slides into annular groove 41 along sliding slot 42, and rotation shield 5 makes limit protrusion 53 misplace with sliding slot 42, you can
The axle journal 51 of shield 5 is set on axle sleeve 4.In the present embodiment, it is offered at end face edge of the axle journal 51 far from cover body 52
Notch, the edge between adjacent gap bend inwards to form limit protrusion 53.Certainly, limit protrusion 53 can also be provided in axis
The convex block of 51 inside of neck, this is not restricted, as long as the limit to axle journal 51 can be realized.
Referring to Fig. 3 to Fig. 6, axle journal 51 is provided with more than one through-hole 54 on the circumferencial direction around first axle；
Locking piece 6 includes that can be inserted into the lock tongue 61 of through-hole 54 and for making lock tongue 61 be detached from through-hole to overcome elastic force for user's operation
54 operation portion 62；Lock tongue 61 is included in when being contacted with an inner wall of through-hole 54 that lock shield 5 using first axle be axis along the
The locking surface 611 of one direction rotation.
Alternatively, axle journal 51 is provided with more than one groove on the circumferencial direction around first axle；Locking piece 6 includes
The lock tongue 61 of the groove can be inserted into and for making lock tongue 61 be detached from the operation portion of groove to overcome elastic force for user's operation
62, lock tongue 61, which is included in when being contacted with a cell wall of groove, locks what shield 5 was rotated in a first direction using first axle as axis
Locking surface 611.What is coordinated with lock tongue 61 can be through-hole 54, can also be groove, this is not restricted.
Locking piece 6 has elasticity, and in the present embodiment, locking piece 6 is made of 65Mn, hardness 42-50HRC, to meet
Hardness requirement, prevents from deforming excessive, cannot spring back.The direction of 62 flexible deformation of operation portion is vertical with the rotation axis of shield 5, behaviour
Make portion 62 and moves certain distance.Operation portion 62 is pulled to the direction far from shield 5, lock tongue 61 is detached from through-hole 54, shield 5
It can be rotated around first axle, after turning to appropriate location, realize the adjusting in direction, operation portion 62 is resetted, lock tongue 61 is made to block
Enter in through-hole 54, locking surface 611 is contacted with an inner wall of through-hole 54, and locking shield 5 is axis along first direction using first axle
Rotation；When lock tongue 61 and through-hole 54 are detached from, rotation shield 5 to limit protrusion 53 and sliding slot 42 align, can be by shield 5 from axis
It is lifted down on set 4, realizes 5 quick-replaceable of shield.In the present embodiment, first direction is around the counterclockwise of first axle.
Lock tongue 61 further includes allowing shield 5 using first axle as axis when being contacted with another inner wall of the through-hole of axle journal 51 54
The sliding surface 612 being rotated in a second direction, sliding surface 612 are inclined-plane, and the cooperation of locking surface 611 and sliding surface 612 makes lock tongue
61 is in a rectangular trapezoid.When not pulling operation portion 62, shield 5 can be held and be rotated in a second direction, by axis of first axle, by
In the setting of sliding surface 612 so that in the case where not dismantling shield 5, realize the adjusting in 5 direction of shield.In the present embodiment,
Second direction is around the clockwise of first axle.
Locking piece 6 further includes consolidating with shell 1 with 62 sequentially connected middle part 63 of operation portion and fixed part 64, fixed part 64
Fixed connection, middle part 63 are located between the outer surface and shell 1 of axle journal 51, the overbending direction phase of operation portion 62 and middle part 63
Instead.Lock tongue 61 is located on middle part 63, and sliding surface 612 is close to fixed part 64.In lock tongue 61 close to fixed part 64 on middle part 63
Side be provided with another lock tongue 65, the development length of lock tongue 61 is more than the development length of another lock tongue 65.It was using
Cheng Zhong needs repeatedly to pull locking piece 6, and locking piece 6 will produce a degree of plastic deformation, and lock tongue 61 is inserted into through-hole 54 more
It is deep, increase the service life of locking piece 6.Referring to Fig. 7, the position that lock tongue 61 is corresponded on axle sleeve 4 is provided with storage tank 43, lock tongue 61
End can stretch into storage tank 43.When the end of lock tongue 61 is stretched into storage tank 43, another 65 face sliding slot 42 of lock tongue,
The end of another lock tongue 65 can be stretched into sliding slot 42.
Another lock tongue 65 can be abutted with through-hole 54, realize 5 self-locking of shield.I.e. when the external force of application be more than shield 5 by
When the stiction arrived, shield 5 can be rotated, when the external force of application is no more than the stiction that shield 5 is subject to, shield 5 exists
Self-locking under the withstanding effect of sliding surface 612.Referring to Fig. 8, the direction of the active force of lock tongue 61 is as shown by the arrows in Figure 8, active force
Direction and horizontal direction angle in the range of 0~10 degree, which meets the range of inclined-plane self-locking angle, realizes shield
5 self-lockings.
The block 66 that can be abutted with cover body 52 is extended in the one side edge of locking piece 6, on another lateral edges of locking piece 6
It is extended with the flange 67 that can be abutted with the step surface of axle sleeve 4.Referring to Fig. 9, block 66 can limit between cover body 52 and locking piece 6
Distance, flange 67 can limit the distance between axle journal 51 and shell 1 and play a supporting role, and block 66 and flange 67 are matched
It closes, ensures the positioning accuracy of locking piece 6 and shield 5.
Fixed part 64 is provided with mounting hole 68 and positioning protrusion 69.Referring to Figure 10, and compares figure 5, fixed part 64 pass through spiral shell
Nail is fixedly connected with shell 1, and mounting groove 11 is provided on shell 1, and positioning protrusion 69 is clamped with mounting groove 11.
Embodiment of above is to elaborate the basic principle and characteristic of the utility model, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes,
These changes and modifications are both fallen in claimed the scope of the utility model.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of angle grinder, including：
Shell；
Output shaft is at least partly extend out to outside the shell, and the relatively described shell of the output shaft can be using first axle as shaft rotation
It is dynamic；
Axle sleeve, is fixedly attached to the shell, and the output shaft passes through the axle sleeve；
Shield, including axle journal and the cover body that is connect with the end face of the axle journal, the shield are detachably connected with the axle sleeve,
When the shield is connected to the axle sleeve, the axle journal is at least partly sheathed on the periphery of the axle sleeve；
It is characterized in that,
The angle grinder further includes：
Locking piece is connect with the shell；
The axle journal is provided with more than one through-hole on the circumferencial direction around first axle；The locking piece includes：Energy
It is inserted into the lock tongue of the through-hole；The lock tongue is included in the when of being contacted with an inner wall of the through-hole and locks the shield with described
First axle is the locking surface that axis is rotated in a first direction；Wherein, the locking piece further include for for user's operation to overcome
Elastic force is to make the lock tongue be detached from the operation portion of the through-hole；
Alternatively, the axle journal is provided with more than one groove on the circumferencial direction around first axle；The locking piece packet
It includes：The lock tongue of the groove can be inserted into；The lock tongue is included in the when of being contacted with a cell wall of the groove and locks the shield
The locking surface being rotated in a first direction as axis using the first axle；Wherein, the locking piece further includes for for user's operation
The lock tongue is set to be detached from the operation portion of the groove to overcome elastic force.
2. angle grinder according to claim 1, which is characterized in that the lock tongue further includes another with the through-hole of the axle journal
Allow the sliding surface that the shield is rotated in a second direction, using first axle as axis when one inner wall contact.
3. angle grinder according to claim 2, which is characterized in that the locking piece further includes connecting successively with the operation portion
The middle part and fixed part connect, the fixed part are fixedly connected with the shell, and the middle part is located at the appearance of the axle journal
Between face and the shell, the operation portion is opposite with the overbending direction of the middle part.
4. angle grinder according to claim 3, which is characterized in that the lock tongue is located at the middle part, the sliding surface
Close to the fixed part.
5. angle grinder according to claim 4, which is characterized in that in the lock tongue close to the fixation on the middle part
The side in portion is provided with another lock tongue, and the development length of the lock tongue is more than the development length of another lock tongue.
6. angle grinder according to claim 3, which is characterized in that the fixed part is fixed by screw and the shell to be connected
It connects, mounting groove is provided on the shell, the fixed part is provided with the positioning protrusion that can be clamped with the mounting groove.
7. angle grinder according to claim 1, which is characterized in that being extended in the one side edge of the locking piece can be with institute
The block for stating cover body abutting, be extended on another lateral edges of the locking piece can be abutted with the step surface of the axle sleeve it is convex
Edge.
8. according to claim 1-7 any one of them angle grinders, which is characterized in that correspond to the position of the lock tongue on the axle sleeve
It installs and is equipped with storage tank, the end of the lock tongue can be stretched into the storage tank.
9. according to claim 1-7 any one of them angle grinders, which is characterized in that the direction of the operation portion flexible deformation with
The first axle is vertical.
10. according to claim 1-7 any one of them angle grinders, which is characterized in that the axle sleeve is around first axle
More than one sliding slot is formed on circumferencial direction, the other end edge of the axle journal extends inwardly to form and the sliding slot
The limit protrusion of cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893473.4U CN207746863U (en) | 2017-12-29 | 2017-12-29 | A kind of angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893473.4U CN207746863U (en) | 2017-12-29 | 2017-12-29 | A kind of angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207746863U true CN207746863U (en) | 2018-08-21 |
Family
ID=63151292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721893473.4U Active CN207746863U (en) | 2017-12-29 | 2017-12-29 | A kind of angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207746863U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296827A (en) * | 2019-07-29 | 2021-02-02 | C.&E.泛音有限公司 | Transmission head and hand-held power tool |
| CN112440210A (en) * | 2019-08-28 | 2021-03-05 | 车王电子股份有限公司 | Protective device of electric tool |
| US11712779B2 (en) | 2019-08-22 | 2023-08-01 | Mobiletron Electronics Co., Ltd. | Protective device of power tool |
-
2017
- 2017-12-29 CN CN201721893473.4U patent/CN207746863U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296827A (en) * | 2019-07-29 | 2021-02-02 | C.&E.泛音有限公司 | Transmission head and hand-held power tool |
| EP3771518A1 (en) * | 2019-07-29 | 2021-02-03 | C. & E. Fein GmbH | Gear head and handheld machine tool |
| US20210031327A1 (en) * | 2019-07-29 | 2021-02-04 | C. & E. Fein Gmbh | Gear head and hand-held power tool |
| US11712779B2 (en) | 2019-08-22 | 2023-08-01 | Mobiletron Electronics Co., Ltd. | Protective device of power tool |
| CN112440210A (en) * | 2019-08-28 | 2021-03-05 | 车王电子股份有限公司 | Protective device of electric tool |
| CN112440210B (en) * | 2019-08-28 | 2022-04-08 | 车王电子股份有限公司 | Protective device of electric tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 529, Jiangjun Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: No. 529, Jiangjun Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |