CN215825059U - Angle mill capable of quickly adjusting angle of protective cover - Google Patents
Angle mill capable of quickly adjusting angle of protective cover Download PDFInfo
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- CN215825059U CN215825059U CN202122352858.2U CN202122352858U CN215825059U CN 215825059 U CN215825059 U CN 215825059U CN 202122352858 U CN202122352858 U CN 202122352858U CN 215825059 U CN215825059 U CN 215825059U
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- protective cover
- angle
- gear box
- angle grinder
- positioning
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Abstract
The utility model discloses an angle grinder capable of quickly adjusting the angle of a protective cover, which comprises an angle grinder body, an output shaft arranged at the front end of the angle grinder body, a gear box accommodating one end of the output shaft, a gear box cover accommodating the other end of the output shaft and a protective cover arranged on the gear box cover, wherein the gear box cover is fixed on the gear box, the output end of the output shaft penetrates through the protective cover, and the protective cover is rotatably sleeved on the gear box cover; one side of the protective cover opposite to the gear box is connected with an adjusting mechanism for adjusting the angle of the protective cover. The protective cover and the machine body are limited by clamping, so that the angle of the protective cover can be quickly adjusted, the protective cover is not required to be disassembled by other tools, and the operation is more convenient and safer.
Description
Technical Field
The utility model belongs to the technical field of angle grinders, and particularly relates to an angle grinder capable of quickly adjusting the angle of a protective cover.
Background
An angle grinder, also called as a grinder or a disc grinder, is a grinding tool used for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal, stone and the like. In order to prevent abraded debris from flying around, the angle grinder is generally provided with a protective cover which is generally in a semicircular baffle ring shape, and the debris flies out from the other semicircular direction when being blocked, so that the safety of an operator is ensured.
The protection casing on general angle mill all is fixed mounting on the end cover, and fixed protection casing can deal with the operation of the overwhelming majority, but when carrying out the multi-angle cutting operation, fixed protection casing can hinder normal construction, also can not be fine plays the guard action. The angle mill that has now also is equipped with adjustable's protection casing, and it is generally fixed and is adjusted through locking device, even when the user need adjust the guard shield protection angle, need carry out the unblock to locking device with the help of the instrument, adjusts the angle of locking device locking with fixed protection casing again behind the angle, and above-mentioned operation process action is more, and has the potential safety hazard, has influenced user experience.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an angle grinder capable of quickly adjusting the angle of a protective cover, which can quickly adjust the angle of the protective cover without the need of tools for dismounting and the like.
In order to achieve the above purpose, the solution of the utility model is:
an angle grinder capable of quickly adjusting the angle of a protective cover comprises an angle grinder body, an output shaft arranged at the front end of the angle grinder body, a gear box accommodating one end of the output shaft, a gear box cover accommodating the other end of the output shaft and the protective cover arranged on the gear box cover, wherein the gear box cover is fixed on the gear box, and the output end of the output shaft penetrates out of the protective cover; the protective cover is rotatably sleeved on the gear box cover, and one side of the protective cover, which is opposite to the gear box, is connected with an adjusting mechanism for adjusting the angle of the protective cover;
the adjusting mechanism comprises a positioning piece and a mounting groove, wherein the positioning piece is fixed in the mounting groove, the mounting groove is provided with a notch, and the notch of the positioning piece protruding out of the mounting groove is clamped with the protective cover; the positioning piece is made of elastic materials;
the protective cover comprises a base body and a baffle ring part extending along the up-down direction, and the baffle ring part is arranged at the edge of the base body; one side of the base body opposite to the gear box is provided with a plurality of concave positioning grooves, and the positioning grooves are matched with the positioning pieces.
The upper end of the gearbox cover is provided with a sleeve joint part in a reducing way, and the lower end of the gearbox cover is provided with an abutting part in an expanding way; the protective cover is provided with a sleeve ring part, and the base body is fixed on the periphery of the sleeve ring part; the mounting hole has been seted up at the center of lantern ring portion, and the inboard of mounting hole is located to the cover of cup jointing portion, and the bottom butt of the lantern ring portion of protection casing in the up end of the butt portion of gear box lid.
The positioning piece is of a hollow fan-shaped structure, the arc-shaped surface of the positioning piece is provided with a radial outward olive-shaped bulge, the positioning groove is concave inwards to form an arc shape, and the bulge and the positioning groove are coupled and clamped.
The inside wall symmetry of above-mentioned mounting groove is equipped with a set of sand grip and lug, and the sand grip runs through the setting element and with the straight flange skeleton joint of setting element between sand grip and lug.
The positioning groove is a strip shape extending in the radial direction.
The adjusting mechanism is arranged on the gear box, and the mounting groove is arranged on one side, close to the protective cover, of the gear box.
The mounting groove is positioned at one end of the gear box close to the angle grinder body.
The adjusting mechanism is arranged on the angle grinder body, the mounting groove is arranged on one side, close to the protective cover, of the angle grinder body, and the mounting groove is located at the end portion, close to the gear box, of one end of the angle grinder body.
The protective cover is also provided with a pressing plate, the pressing plate penetrates through the upper end of the output shaft and presses the upper part of the protective cover, the protective cover rotates between the pressing plate and the gear box cover, and the pressing plate is fixedly connected onto the gear box cover through a fastening piece.
The fastener is a locking bolt.
After the scheme is adopted, the positioning piece and the positioning groove are mutually clamped and matched to clamp and fix the protective cover, when the angle of the protective cover is adjusted, a user only needs to manually rotate the protective cover to enable the positioning groove on the protective cover to circumferentially bias the positioning piece, and the positioning piece is supported by an elastic material, so that the positioning piece can be bent and deformed under the action of the bias force under the elasticity until the positioning piece deviates from the positioning groove and loses the limit on the protective cover, and the angle of the protective cover can be adjusted; the protective cover and the machine body are limited by clamping, so that the angle of the protective cover can be quickly adjusted, the protective cover is not required to be disassembled by other tools, and the operation is more convenient and safer.
Drawings
FIG. 1 is a schematic structural view of the angle grinder of the present invention;
FIG. 2 is a schematic view of the structure of the angle grinder body and the gear box according to the present invention;
FIG. 3 is a schematic view of the angle grinder of the present invention without a protective cover;
FIG. 4 is a schematic view of the adjustment mechanism of the present invention engaged with a shield;
FIG. 5 is a schematic view of the gear case and adjustment mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the shield of the present invention;
fig. 7 is a schematic structural view of a positioning member according to the present invention.
Reference numerals:
1. an angle grinder body; 2. an output shaft; 3. a gear case;
4. a gearbox cover; 41. a socket joint part; 42. an abutting portion;
5. a protective cover;
51. mounting holes; 52. a substrate; 53. a retaining ring part; 54. positioning a groove; 55. a collar portion;
6. an adjustment mechanism;
61. a positioning member; 611. a protrusion;
62. mounting grooves; 63. a notch; 64. a convex strip; 65. a bump;
7. pressing a plate; 8. a fastener.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted" and "fixed" are to be understood broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "upper and lower", "inside and outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply specific orientations, and thus, the present invention is not to be construed as being limited.
Referring to fig. 1 to 4, the utility model discloses an angle grinder capable of quickly adjusting the angle of a protective cover, which comprises an angle grinder body 1, an output shaft 2 arranged at the front end of the angle grinder body 1, a gear box 3 accommodating one end of the output shaft 2, a gear box cover 4 accommodating the other end of the output shaft 2, and a protective cover 5 arranged on the gear box cover 4, wherein the gear box cover 4 is fixed on the gear box 3, the output end of the output shaft 2 penetrates through the protective cover 5, and the output end of the output shaft 2 is connected with a cutter to drive the cutter to work.
As shown in fig. 6, the protective cover 5 includes a base 51, a retaining ring 53 and a collar 55, the base 51 is fixed to a periphery of the collar 55, the retaining ring 53 is disposed at an edge of the base 52 and extends in an up-and-down direction, that is, the retaining ring 53 is a retaining edge of the protective cover 5 to prevent debris generated by knife sharpening from flying out. The center of the collar part 55 is provided with a mounting hole 51, the protective cover 5 is rotatably sleeved on the gear box cover 4 through the mounting hole 51, specifically, the upper end of the gear box cover 4 can be reduced in diameter to be provided with a sleeving part 41, the lower end is expanded in diameter to be provided with a butting part 42, the sleeving part 41 is sleeved on the inner side of the mounting hole 51 and can rotate relatively, the bottom end of the collar part 52 of the protective cover 5 is abutted against the upper end surface of the butting part 42 of the gear box cover 4, and the radial positioning of the protective cover 5 is realized through the sleeving of the collar part 52 and the sleeving part 41 of the gear box cover 4; and the protective cover 5 can rotate relative to the socket part 41 of the gear box cover 4 through the socket relation between the socket part 52 and the socket part 41.
One side of the protective cover 5, which is opposite to the gear box 3, is connected with an adjusting mechanism 6 for adjusting the angle of the protective cover 5, as shown in fig. 4 and 5, the adjusting mechanism 6 includes a positioning member 61 and an installation groove 62, the positioning member 61 is fixed in the installation groove 62, the installation groove 62 is provided with a notch 63, the notch 63 faces the protective cover 5, and the positioning member 61 can protrude out of the notch 63 of the installation groove 62 to be clamped and positioned with the protective cover 5; the adjusting mechanism 6 can be arranged on the gear box 3 or the upper corner grinder body 1; when the adjusting mechanism 6 is arranged on the gear box 3, the mounting groove 62 is arranged on one side of the gear box 3 close to the protective cover 5, a general user is positioned on one side close to the angle grinder body 1, the protective cover 5 needs to be shielded below the user, the protective cover 5 is generally adjusted to be close to one side of the angle grinder body 1, and the mounting groove 62 can be arranged on one end part of the gear box 3 close to the angle grinder body 1; when the adjusting mechanism 6 is arranged on the angle grinder body 1, the mounting groove 62 is arranged on one side of the angle grinder body 1 close to the protective cover 5 and is positioned at one end part of the angle grinder body 1 close to the gear box 3, and the end part is positioned in the covering range of the protective cover 5, so that the adjusting mechanism 6 can also be arranged at the end part to adjust the protective cover 5.
In order to match and position with the positioning element 61, one side of the base body 52 of the protective cover 5, which is opposite to the gear box 3, is provided with a plurality of concave positioning grooves 54, the positioning grooves 54 are matched with the positioning element 61, and the positioning element 61 is clamped into the positioning grooves 54 to limit the protective cover 5; the positioning element 61 is made of an elastic material, when the angle of the protective cover 5 is adjusted, a user only needs to rotate the protective cover 5, so that the protective cover 5 has a bias force on the positioning element 61, the elastic positioning element 61 bends and deforms until deviating from the positioning groove 54, and the limiting of the protective cover 5 is lost, so that the angle of the protective cover 5 can be adjusted, because a plurality of positioning grooves 54 are arranged, the positioning element 61 can be clamped into the positioning groove 54 when corresponding to each positioning groove 54 in the angle adjusting process, but when the user continuously rotates the protective cover, the positioning element can deviate from the positioning groove 54 until the user adjusts to a proper angle, and the positioning element 61 is clamped into the positioning groove 54 at a corresponding position to limit the protective cover 5;
in this embodiment, as shown in fig. 7, the positioning element 61 is a hollow fan-shaped structure, an olive-shaped protrusion 611 is radially outward arranged on an arc surface of the positioning element, the positioning slot 54 is concave inward to be arc-shaped, and the protrusion 611 and the positioning slot 54 are coupled and clamped; further, the inside wall symmetry of mounting groove 62 is equipped with a set of sand grip 64 and lug 65, sand grip 64 runs through setting element 61 and centre gripping the straight flange skeleton of setting element 61 between sand grip 64 and lug 65, can fix setting element 61 like this, convenient dismantlement again.
In a preferred embodiment of the present invention, the positioning slot 54 is a radially extending strip, so that the contact surface between the strip and the positioning element 61 is wider than that between the hole-shaped slot, so as to prevent the protection cover 5 from shifting, and the positioning slot 54 and the positioning element 61 are misaligned, and thus the clamping and limiting cannot be performed.
As a preferred embodiment of the present invention, the protecting cover 5 is further provided with a pressing plate 7, the pressing plate 7 penetrates through the upper end of the output shaft 2 and is pressed above the protecting cover 5, the pressing plate 7 is specifically pressed above the protecting cover 5 and is attached to the upper end surface of the sleeving part 41 of the gear box cover 4, the pressing plate 7 does not affect the normal rotation of the protecting cover 5, and the protecting cover 5 can still rotate between the pressing plate 7 and the gear box cover 4; the pressing plate 7 is fixedly connected to the gearbox cover 4 through a fastening piece 8, and in the embodiment, the fastening piece 8 is a locking bolt; the protective cover 5 is pressed above the pressure plate 7 to realize axial positioning.
As a preferred embodiment of the utility model, the adjusting mechanism 6 is arranged on the angle grinder body 1, the mounting groove 62 is arranged on one side of the angle grinder body 1 close to the protective cover 5 and is positioned at one end part of the angle grinder body 1 close to the gear box 3, and the end part is positioned in the covering range of the protective cover 5, and the adjusting mechanism 6 can also be arranged at the end part to adjust the protective cover 5.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention.
Claims (10)
1. An angle grinder capable of quickly adjusting the angle of a protective cover comprises an angle grinder body (1), an output shaft (2) arranged at the front end of the angle grinder body (1), a gear box (3) accommodating one end of the output shaft (2), a gear box cover (4) accommodating the other end of the output shaft (2) and the protective cover (5) arranged on the gear box cover (4), wherein the gear box cover (4) is fixed on the gear box (3), and the output end of the output shaft (2) penetrates out of the protective cover (5); the method is characterized in that: the protective cover (5) is rotatably sleeved on the gear box cover (4), and one side of the protective cover (5) opposite to the gear box (3) is connected with an adjusting mechanism (6) for adjusting the angle of the protective cover (5);
the adjusting mechanism (6) comprises a positioning piece (61) and a mounting groove (62), wherein the positioning piece (61) is fixed in the mounting groove (62), a notch (63) is formed in the mounting groove (62), and the positioning piece (61) protrudes out of the notch (63) of the mounting groove (62) and is clamped with the protective cover (5); the positioning piece (61) is made of elastic material;
the protective cover (5) comprises a base body (52) and a ring blocking part (53) extending in the vertical direction, and the ring blocking part (53) is arranged on the edge of the base body (52); one side of the base body (52) opposite to the gear box (3) is provided with a plurality of inwards concave positioning grooves (54), and the positioning grooves (54) are matched with the positioning pieces (61).
2. The angle grinder capable of rapidly adjusting the angle of the protective cover according to claim 1, wherein: the upper end of the gear box cover (4) is provided with a sleeve joint part (41) in a reducing way, and the lower end is provided with an abutting part (42) in an expanding way; the protective cover (5) is provided with a sleeve ring part (55), and the base body (52) is fixed on the periphery of the sleeve ring part (55); the center of the sleeve ring part (55) is provided with a mounting hole (51), the sleeve joint part (41) is sleeved on the inner side of the mounting hole (51), and the bottom end of the sleeve ring part (55) of the protective cover (5) abuts against the upper end face of the abutting part (42) of the gear box cover (4).
3. The angle grinder capable of rapidly adjusting the angle of the protective cover according to claim 1, wherein: the positioning piece (61) is of a hollow fan-shaped structure, the arc-shaped surface of the positioning piece is provided with a radial outward olive-shaped protrusion (611), the positioning groove (54) is concave inwards to be arc-shaped, and the protrusion (611) and the positioning groove (54) are coupled and clamped.
4. The angle grinder capable of rapidly adjusting the angle of the protective cover according to claim 3, wherein: the inside wall symmetry of mounting groove (62) is equipped with a set of sand grip (64) and lug (65), and sand grip (64) run through setting element (61) and with the straight flange skeleton joint of setting element (61) between sand grip (64) and lug (65).
5. The angle grinder capable of rapidly adjusting the angle of the protective cover according to claim 1 or 3, wherein: the positioning grooves (54) are long strips extending in the radial direction.
6. The angle grinder of any one of claims 1 to 4, wherein: the adjusting mechanism (6) is arranged on the gear box (3), and the mounting groove (62) is arranged on one side, close to the protective cover (5), of the gear box (3).
7. The angle grinder of claim 6, wherein the angle grinder is characterized in that: the mounting groove (62) is positioned at one end of the gear box (3) close to the angle grinder body (1).
8. The angle grinder of any one of claims 1 to 4, wherein: the adjusting mechanism (6) is arranged on the angle grinder body (1), the mounting groove (62) is arranged on one side, close to the protective cover (5), of the angle grinder body (1), and is located at the end portion, close to the gear box (3), of one end of the angle grinder body (1).
9. The angle grinder capable of rapidly adjusting the angle of the protective cover according to claim 1, wherein: still be equipped with clamp plate (7) on protection casing (5), clamp plate (7) run through the upper end of output shaft (2) and gland in the top of protection casing (5), protection casing (5) rotate between clamp plate (7) and gear case lid (4), and clamp plate (7) pass through fastener (8) fixed connection on gear case lid (4).
10. The angle grinder capable of rapidly adjusting the angle of the protective cover according to claim 9, wherein: the fastener (8) is a locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122352858.2U CN215825059U (en) | 2021-09-27 | 2021-09-27 | Angle mill capable of quickly adjusting angle of protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122352858.2U CN215825059U (en) | 2021-09-27 | 2021-09-27 | Angle mill capable of quickly adjusting angle of protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215825059U true CN215825059U (en) | 2022-02-15 |
Family
ID=80201376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122352858.2U Active CN215825059U (en) | 2021-09-27 | 2021-09-27 | Angle mill capable of quickly adjusting angle of protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215825059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4279215A1 (en) * | 2022-05-18 | 2023-11-22 | Bendel Werkzeuge GmbH & Co. KG | Grinding machine and its protective assembly |
-
2021
- 2021-09-27 CN CN202122352858.2U patent/CN215825059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4279215A1 (en) * | 2022-05-18 | 2023-11-22 | Bendel Werkzeuge GmbH & Co. KG | Grinding machine and its protective assembly |
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