CN212858942U - Angle grinder with safety protection function - Google Patents
Angle grinder with safety protection function Download PDFInfo
- Publication number
- CN212858942U CN212858942U CN202021382609.7U CN202021382609U CN212858942U CN 212858942 U CN212858942 U CN 212858942U CN 202021382609 U CN202021382609 U CN 202021382609U CN 212858942 U CN212858942 U CN 212858942U
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- cover
- fixed
- protection function
- safety protection
- fixing
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Abstract
The utility model relates to an angle mill with safety protection function belongs to the technical field of grinding apparatus, an angle mill with safety protection function, including angle mill main part and the emery wheel of rotation connection in angle mill main part one end bottom, the emery wheel overcoat is equipped with the protection casing, the protection casing including fix the outer inner cover of emery wheel, including cover outer sliding connection's dustcoat. This application has safer effect when the angle mill of taking.
Description
Technical Field
The application relates to the field of grinding tools, in particular to an angle grinder with a safety protection function.
Background
An angle grinder, also called a grinder or a disc grinder, is a grinding tool for cutting and grinding glass fiber reinforced plastics. The angle grinder is a portable electric tool for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal and stone materials.
Referring to fig. 1 and 2, there is an angle grinder, which includes an angle grinder body 1, one end of the angle grinder body 1 is a nose, a grinding wheel 2 is rotatably connected to a lower surface of the angle grinder body 1, a protective cover 4 is sleeved outside the grinding wheel 2, the protective cover 4 includes a first protective cover 41 in a sector ring shape, a second protective cover 42 extends perpendicularly from an outer arc edge of the first protective cover 41, an annular fixing ring 53 is fixed to an inner arc edge of the first protective cover 41, the fixing ring 53 has an opening, and locking plates 54 are respectively fixed to two side walls of the opening. The rotating shaft driving the grinding wheel 2 to rotate is arranged in a shaft sleeve on the angle grinder body 1, the fixing ring 53 is sleeved outside the shaft sleeve, the bolt 55 penetrates through the two locking plates 54 to lock the fixing ring 53 on the shaft sleeve, and part of the grinding wheel 2 is enclosed inside the protection cover 4.
In view of the above-mentioned related art, the inventor believes that there is a defect that when an unused angle grinder is taken, the angle grinder may be touched and started by mistake, and a worker may be injured by mistake by a grinding wheel rotating at a high speed.
SUMMERY OF THE UTILITY MODEL
In order to be safer when angle mill takes, this application provides an angle mill with safety protection function.
The application provides a angle mill with safety protection function adopts following technical scheme:
the utility model provides an angle mill with safety protection function, includes angle mill main part and rotates the emery wheel of connecting in angle mill main part one end bottom, and the emery wheel overcoat is equipped with the protection casing, the protection casing is including fixing the outer inner cover of emery wheel, including outer sliding connection's of cover dustcoat.
By adopting the technical scheme, when the angle grinder is used, the outer cover is screwed off, the outer cover is screwed on the inner cover, the grinding wheel is exposed, and the operation is convenient; when not using the angle mill, slide out the dustcoat from the inner cover, make inner cover and dustcoat concatenation and enclose in emery wheel one side, prevent that the people from receiving the accidental injury after the mistake touches the start-up when taking the angle mill, make the angle mill safer.
Preferably, an outer cover is screwed on the outer cover.
By adopting the technical scheme, the outer cover is screwed on the outer cover, and the other side of the grinding wheel is surrounded and protected, so that the angle grinder is safer.
Preferably, the inner cover comprises a first fan-shaped flat cover, a fixing ring is fixed on the edge of an inner circular arc of the first flat cover, the fixing ring and the first side cover are respectively located on two sides of the first flat cover, a shaft sleeve is arranged on the angle grinder body, and the fixing ring is sleeved on the shaft sleeve.
By adopting the technical scheme, the inner cover is fixed on the shaft sleeve through the fixing ring, and the outer cover is connected on the inner cover in a sliding manner, so that the inner cover and the outer cover are stably arranged outside the grinding wheel. When the angle grinder is used, the inner cover can also play a role in protection and prevent scraps and the like from splashing.
Preferably, the outer cover comprises a second flat face cover in a sector ring shape, a sliding plate is fixed on the edge of an inner circular arc of the second flat face cover, and the sliding plate is connected with the fixed ring in a sliding mode.
Through adopting above-mentioned technical scheme, sliding plate and solid fixed ring sliding connection make the dustcoat can rotate along solid fixed ring's radian, follow the outer roll-off of inner cover, expand to surround outside the emery wheel to can realize folding the dustcoat outside the inner cover, use convenient operation.
Preferably, the outer side wall of the fixing ring is provided with an annular sliding groove with an opening facing the first flat surface cover, and the sliding plate is inserted into the sliding groove and slides in the sliding groove.
Through adopting above-mentioned technical scheme, the sliding tray plays the effect of radial spacing dustcoat, when preventing the slip of dustcoat, breaks away from the position to the dustcoat ends can slide along the radian of sliding tray, makes the dustcoat stably slide out from the inner cover.
Preferably, a plurality of hemispherical abutting hemispheres are fixed on the side wall of the fixed ring in the sliding groove, and the cambered surfaces of the abutting hemispheres abut against the sliding plate.
Through adopting above-mentioned technical scheme, it is little to support tight hemisphere and make fixed ring lateral wall and sliding plate when sliding relatively, and inner cover and dustcoat relative slip are more smooth and easy, and the dustcoat slides outside the inner cover more steadily.
Preferably, a second sideshield is fixed on the edge of the outer circular arc of the second sideshield, threads are arranged on the outer wall of the second sideshield, the outer cover comprises a circular third sideshield and a connecting ring connected to the circumference of the third sideshield, and the inner wall of the connecting ring is in threaded connection with the second sideshield.
Through adopting above-mentioned technical scheme, enclosing cover and dustcoat threaded connection, the installation is convenient with the dismantlement, and the enclosing cover surrounds whole emery wheel, strengthens the security.
Preferably, a first fixing plate is fixed on the linear edge of one side of the first flat mask, second fixing plates are respectively fixed on the linear edge of two sides of the second flat mask, and the first fixing plate and the second fixing plate are fixed through a fixing component.
By adopting the technical scheme, when the outer cover is opened, one second fixing plate is fixed with the first fixing plate, so that the outer cover and the inner cover are locked; when the outer cover is closed, one of the second fixing plates is fixed with the first fixing plate, so that the outer cover is stably sleeved on the outer side of the inner cover, and the stability of the protective cover is enhanced.
Preferably, the fixing assembly comprises rubber columns respectively fixed on two sides of the first fixing plate and a clamping groove arranged in the second fixing plate, and the rubber columns are inserted into the clamping groove and clamped with the clamping groove.
Through adopting above-mentioned technical scheme, when fixed with dustcoat and inner cover, insert the draw-in groove with the rubber column, make first fixed plate and second fixed plate stable connection, it is fixed convenient.
In summary, the present application includes the following beneficial technical effects:
1. when using the angle mill, with the enclosing cover screw down, cover the dustcoat soon in the inner cover, the emery wheel exposes, convenient operation, when not using the angle mill, with dustcoat slip out from the inner cover, screw the enclosing cover on the dustcoat again, surround the protection with the opposite side of emery wheel, prevent that the people from receiving the accidental injury after the mistake touch starts when taking the angle mill, make the angle mill safer.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the background art of the present application;
FIG. 2 is a schematic structural diagram of a shield in the background art of the present application;
FIG. 3 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 4 is a schematic view of the structure of the present application in which the outer cover is screwed to the inner cover;
FIG. 5 is a schematic structural diagram of the present application in which the outer cover and the inner cover are spliced to form the whole shield;
FIG. 6 is a cross-sectional view of the outer shroud screwed onto the inner shroud in the present application;
FIG. 7 is an enlarged partial schematic view of portion A of FIG. 6;
FIG. 8 is a schematic structural view of a fixing assembly of the present application;
FIG. 9 is a cross-sectional view of the outer cover, inner cover, and outer cover enclosing the grinding wheel in this application.
Description of reference numerals: 1. an angle grinder body; 2. a grinding wheel; 3. an outer cover; 31. a third flat mask; 32. a connecting ring; 4. a protective cover; 41. a first shield; 42. a second shield; 5. an inner cover; 51. a first flat face mask; 52. a first side cover; 53. a fixing ring; 54. a locking plate; 55. a bolt; 56. a first fixing plate; 6. a housing; 61. a second flat mask; 62. a sliding plate; 63. a second sideshield; 631. a thread; 64. a sliding groove; 65. tightly pressing the hemisphere; 66. a second fixing plate; 7. an arc-shaped limiting groove; 8. a fixing assembly; 81. a rubber column; 82. a clamping groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-9.
The embodiment of the application discloses angle mill with safety protection function. Referring to fig. 3 and 4, the angle grinder comprises an angle grinder body 1, wherein one end of the angle grinder body 1 is a machine head, a shaft sleeve is arranged on the machine head, a rotating shaft (not shown in the figure) is arranged in the shaft sleeve, the rotating shaft drives a grinding wheel 2 to rotate, and a protection cover 4 is sleeved outside the grinding wheel 2.
Referring to fig. 4 and 5, the shield 4 includes an inner cover 5 and an outer cover 6, the inner cover 5 includes a fan-ring-shaped first flat cover 51, a fixing ring 53 is fixed on an edge of an inner circular arc of the first flat cover 51, and a first side cover 52 is fixed on an edge of an outer circular arc of the first flat cover 51 perpendicular to the first flat cover 51. The fixing ring 53 and the first side edge cover 52 are respectively located on both sides of the plane of the first flat face cover 51. The first fixing ring 53 is provided with an opening, and locking plates 54 are fixed to both side walls of the opening, respectively. The fixing ring 53 is sleeved outside the shaft sleeve (refer to fig. 3), and the bolt 55 passes through the two locking plates 54 and is screwed tightly, so that the inner cover 5 is fixed on the machine head and surrounds part of the grinding wheel 2.
An outer cover 6 is arranged outside the inner cover 5, and the outer cover 6 comprises a second flat cover 61 in the shape of a sector ring.
Referring to fig. 6 and 7, a sliding plate 62 perpendicular to the second flat face mask 61 is fixed to the edge of the inner circular arc of the second flat face mask 61, a second side cover 63 perpendicular to the second flat face mask 61 is fixed to the edge of the outer circular arc, the sliding plate 62 and the second side cover 63 are respectively located on both sides of the plane of the second flat face mask 61, the sliding plate 62 extends toward the side away from the grinding wheel 2, and the second side cover 63 extends toward the side close to the grinding wheel 2.
The radii of the inner arc and the outer arc of the second flat surface cover 61 are respectively larger than the radii of the inner arc and the outer arc of the first flat surface cover 51, so that the outer cover 6 can be sleeved outside the inner cover 5.
Referring to fig. 6 and 7, an annular slide groove 64 is provided on the first fixing ring 53, the slide groove 64 is located below the locking plate 54, an opening of the slide groove 64 faces the first flat surface cover 51, and the slide plate 62 is inserted into the slide groove 64 and slides in the slide groove 64. A plurality of abutting hemispheres 65 are further fixed on the side wall of the first fixing ring 53 in the sliding groove 64, and the spherical surfaces of the abutting hemispheres 65 abut against the sliding plate 62, so that the friction of the relative sliding between the outer cover 6 and the inner cover 5 is reduced as much as possible, and the sliding is smoother.
Referring to fig. 4, the surfaces of the first flat surface cover 51 and the second flat surface cover 61 are respectively provided with a convex arc-shaped limiting groove 7, the cross section of the limiting groove 7 is in a fan-ring shape, and the two arc-shaped limiting grooves 7 on the first flat surface cover 51 and the second flat surface cover 61 are clamped, so that the inner cover 5 and the outer cover 6 slide relatively more stably, and the outer cover 6 is prevented from sliding out along the radial direction of the inner cover 5.
Referring to fig. 5, when the outer cover 6 is completely slid out of the inner cover 5, the outer cover 6 and the inner cover 5 enclose most of the grinding wheel 2.
Referring to fig. 5, the first flat surface case 51 has a first fixing plate 56 erected at one end thereof and second flat surface cases 61 have second fixing plates 66 erected at both ends thereof. When the outer cover 6 is fitted over the outer side of the inner cover 5, the first fixing plate 56 is fixed to one of the second fixing plates 66 by the fixing assembly 8. Referring to fig. 5, when the outer cover 6 slides out of the upper side of the inner cover 5 along the arc of the sliding groove 64, the outer cover 6 is opposite to both ends of the inner cover 5, and the first fixing plate 56 and one of the second fixing plates 66 are fixed by the fixing assembly 8.
Referring to fig. 8, the fixing member 8 includes rubber posts 81 fixed on both side surfaces of the first fixing plate 56, ends of the rubber posts 81 are rounded, and the rubber posts 81 have elasticity. The surface of the second fixing plate 66 facing the first fixing plate 56 is recessed inward to form a slot 82, and the end of the rubber column 81 is slightly larger than the width of the slot 82. When the outer cover 6 needs to be fixed with the inner cover 5, the rubber column 81 is inserted into the clamping groove 82, so that the two are fixed and the operation is convenient. And rubber posts 81 at both sides of the first fixing plate 56 are used to fix the inner cover 5 when the outer cover 6 is opened or closed, respectively.
Referring to fig. 4, a screw 631 is further formed at the second side cover 63, and referring to fig. 5, when the outer cover 6 is rotated out of the inner cover 5, the outer cover 3 is screwed on the outer cover 6. Referring to fig. 9, the outer cover 3 is a circular housing, the outer cover 3 includes a circular third flat cover 31, a connection ring 32 is disposed at an edge of the third flat cover 31 and perpendicular to the third flat cover 31, threads 631 are disposed on an inner wall of the connection ring 32, and the connection ring 32 is threadedly coupled to the outer cover 6 such that the outer cover 3, the inner cover 5, and the outer cover 6 enclose the grinding wheel 2 in the protective cover 4.
The embodiment of the application discloses a specific implementation mode of angle mill with safety protection function does: when the angle grinder is not in use, the outer cover 6 is slid along the sliding groove 64, the outer cover 6 is slid out of the inner cover 5, and the rubber column 81 is clamped into a clamping groove 82 on a second fixing plate 66. The outer cover 3 is screwed onto the outer cover 6.
When an angle grinder is used, the outer lid 3 is unscrewed from the housing 6. The outer cover 6 is slid along the sliding groove 64 above the inner cover 5, and the rubber posts 81 are correspondingly snapped into the snap grooves 82 of the other second fixing plate 66.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an angle mill with safety protection function, includes angle mill main part (1) and rotates emery wheel (2) of connecting in angle mill main part (1) one end bottom, emery wheel (2) overcoat is equipped with protection casing (4), its characterized in that: the protective cover (4) comprises an inner cover (5) fixed outside the grinding wheel (2) and an outer cover (6) connected outside the inner cover (5) in a sliding manner.
2. The angle grinder with safety protection function as claimed in claim 1, wherein: an outer cover (9) is connected to the outer cover (6) in a threaded manner.
3. The angle grinder with safety protection function as claimed in claim 1, wherein: inner cover (5) are including fan annular first flat face guard (51), be fixed with solid fixed ring (53) on the edge of first flat face guard (51) inner circular arc, perpendicular to first flat face guard (51) is fixed with first side edge cover (52) on the edge of the outer circular arc of first flat face guard (51), and solid fixed ring (53) and first side edge cover (52) are located the both sides of first flat face guard (51) respectively, are provided with axle sleeve (3) on angle mill main part (1), and solid fixed ring (53) cover is established on axle sleeve (3).
4. The angle grinder with safety protection function as claimed in claim 3, wherein: the outer cover (6) comprises a second flat face cover (61) in a fan-ring shape, a sliding plate (62) is fixed on the edge of an inner circular arc of the second flat face cover (61), and the sliding plate (62) is connected with the fixing ring (53) in a sliding mode.
5. The angle grinder with safety protection function as claimed in claim 3, wherein: an annular sliding groove (64) with an opening facing the first flat mask (51) is formed in the outer side wall of the fixing ring (53), the sliding plate (62) is inserted into the sliding groove (64), and the sliding plate (62) slides in the sliding groove (64).
6. The angle grinder with safety protection function as claimed in claim 5, wherein: a plurality of hemispherical abutting hemispheres (65) are fixed on the side wall of the fixing ring (53) in the sliding groove (64), and the cambered surfaces of the abutting hemispheres (65) abut against the sliding plate (62).
7. The angle grinder with safety protection function as claimed in claim 4, wherein: a second side cover (63) is fixed on the edge of the outer circular arc of the second flat face cover (61), threads (631) are arranged on the outer wall of the second side cover (63), the outer cover (9) comprises a circular third flat face cover (91) and a connecting ring (92) connected to the circumference of the third flat face cover (91), and the inner wall of the connecting ring (92) is in threaded connection with the second side cover (63).
8. An angle grinder with a safety protection function as claimed in claim 3 or 4, wherein: a first fixing plate (56) is fixed on the linear edge of one side of the first flat mask (51), second fixing plates (66) are respectively fixed on the linear edge edges of two sides of the second flat mask (61), and the first fixing plate (56) and the second fixing plate (66) are fixed through a fixing assembly (8).
9. The angle grinder with safety protection function as claimed in claim 8, wherein: the fixing assembly (8) comprises rubber columns (81) fixed on two sides of the first fixing plate (56) respectively and a clamping groove (82) formed in the second fixing plate (66), and the rubber columns (81) are inserted into the clamping groove (82) and clamped with the clamping groove (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021382609.7U CN212858942U (en) | 2020-07-14 | 2020-07-14 | Angle grinder with safety protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021382609.7U CN212858942U (en) | 2020-07-14 | 2020-07-14 | Angle grinder with safety protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212858942U true CN212858942U (en) | 2021-04-02 |
Family
ID=75214805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021382609.7U Expired - Fee Related CN212858942U (en) | 2020-07-14 | 2020-07-14 | Angle grinder with safety protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212858942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559341A (en) * | 2022-01-13 | 2022-05-31 | 江苏和晖电动工具有限公司 | Angle grinder |
-
2020
- 2020-07-14 CN CN202021382609.7U patent/CN212858942U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559341A (en) * | 2022-01-13 | 2022-05-31 | 江苏和晖电动工具有限公司 | Angle grinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 |