CN218697227U - Electric grinder with rotary speed regulating structure - Google Patents
Electric grinder with rotary speed regulating structure Download PDFInfo
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- CN218697227U CN218697227U CN202222856722.XU CN202222856722U CN218697227U CN 218697227 U CN218697227 U CN 218697227U CN 202222856722 U CN202222856722 U CN 202222856722U CN 218697227 U CN218697227 U CN 218697227U
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- rotating sleeve
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- electric grinder
- bracket
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Abstract
The utility model discloses an electric grinder with rotary speed regulation structure, including casing, support and circuit board, the front end of support inserts in the casing and is fixed with the casing, the rear end of support stretches out outside the casing, the rear end of support is provided with the cavity, the circuit board is fixed in the cavity, the electric grinder still includes rotating sleeve, gear and end cover, be fixed with the speed regulation knob on the circuit board, the gear is fixed with the regulation end of speed regulation knob, the rotating sleeve rotationally overlaps the outside at support rear end, be provided with rack portion on the inner wall of rotating sleeve and along the circumferential direction of rotating sleeve, the gear meshes with rack portion, the end cover is fixed in the rear end of support and is used for sealing the cavity; the utility model discloses can drive the regulation of bistrique pivoted speed for the electric grinder and bring the convenience.
Description
Technical Field
The utility model relates to a hardware and tools technical field, concretely relates to electric grinder with rotation type speed governing structure.
Background
The electric grinder is a hardware tool for driving a grinding head to rotate so that the grinding head can grind a workpiece or a product, and in the use process of the electric grinder on the market at present, when the rotating speed of the grinding head driven by the electric grinder needs to be adjusted, the electric grinder needs to be realized by pressing a button assembly on the electric grinder, namely when a speed reduction button in the button assembly is pressed, the rotating speed of the grinding head driven by the electric grinder can be reduced, and when a speed increase button in the button assembly is pressed, the rotating speed of the grinding head driven by the electric grinder can be increased; however, in the above process, the adjustment of the speed at which the electric grinder drives the grinding head to rotate needs to be realized by pressing different buttons in the button assembly, so that the defect that the rotation speed is inconvenient to adjust exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an electric grinder with rotation type speed governing structure, it can drive the regulation of bistrique pivoted speed for the electric grinder and bring the convenience.
The utility model discloses an electric grinder with rotation type speed governing structure, which comprises a housing, a support and a circuit board, the front end of support is inserted in the casing and is fixed with the casing, the rear end of support stretches out outside the casing, the rear end of support is provided with the cavity, the circuit board is fixed in the cavity, the electric grinder also comprises a rotating sleeve, a gear and an end cover, a speed governing knob is fixed on the circuit board, the gear is fixed with the adjusting end of speed governing knob, the rotating sleeve is rotatably sleeved outside the rear end of support, the inner wall of rotating sleeve is provided with a rack part along the circumferential direction of rotating sleeve, the gear is meshed with the rack part, the end cover is fixed at the rear end of support and is used for sealing the cavity;
by adopting the above structure, the utility model, when the rotational speed that the electric grinder drove the bistrique needs to be adjusted, only need rotate the cover so that the adjusting end that the cover drove the speed governing knob rotates through rotating and can realize to can bring the convenience for the regulation that the electric grinder drove bistrique pivoted speed.
The utility model discloses an electric grinder with rotary speed regulation structure, wherein, a circumferential limit structure is arranged between the rotating sleeve and the bracket, and the circumferential limit structure is used for limiting the rotating angle range of the rotating sleeve relative to the bracket; through the setting of circumference limit structure, under circumference limit structure's effect, can restrict and rotate the relative support pivoted angle scope of cover, can avoid rotating the cover and appear excessive pivoted condition promptly, also can avoid the regulation end of speed governing knob to appear by the excessive pivoted condition to can avoid the damage of speed governing knob.
The utility model discloses an electric grinder with rotary speed regulation structure, wherein, the circumference limit structure includes the arc wall that sets up on the inner wall of rotating sleeve, is provided with the lug on the outer wall of support rear end, and the lug inserts in the arc wall and with arc wall sliding connection; when the rotating sleeve rotates relative to the bracket, the lug is used for abutting against the end part of the arc-shaped groove so as to limit the rotating angle range of the rotating sleeve relative to the bracket; after the circumferential limiting structure is adopted, when the rotating sleeve rotates forwards or backwards relative to the support, the convex block can finally abut against one end part of the arc-shaped groove respectively, so that the rotating angle range of the rotating sleeve relative to the support can be conveniently limited.
The utility model discloses an electric grinder with rotary speed regulation structure, wherein, a plurality of anti-skid grooves are circumferentially arranged on the outer wall of the rotating sleeve, and each anti-skid groove extends along the axial direction of the rotating sleeve; after the plurality of anti-skidding grooves are formed in the outer wall of the rotating sleeve, when the anti-skidding sleeve is rotated by a finger, the friction force between the finger and the rotating sleeve can be increased under the action of the anti-skidding grooves, and therefore the anti-skidding function can be achieved.
The utility model discloses an electric grinder with rotary speed regulation structure, wherein, the outer wall of the bracket is provided with an annular convex edge, and the annular convex edge is abutted against the rear end of the shell; a pair of clamping hooks is arranged on the outer wall of the support positioned on the front side of the annular convex edge, an annular clamping groove is arranged on the inner wall of the shell, and each clamping hook is matched and clamped with the annular clamping groove; after adopting this kind of structure, the support can conveniently be in the same place with casing cooperation joint, also the support can conveniently be fixed together with the casing.
The utility model discloses an electric grinder with rotary speed regulation structure, wherein, the end cover is provided with a plurality of screw holes, and the end cover is fixed with the bracket through the screws which are arranged in the screw holes and are in threaded connection with the bracket; by adopting such a structure, the end cap can be reliably fixed to the rear end of the bracket.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the partially exploded perspective structure of the present invention;
FIG. 3 is a schematic view of the partially exploded perspective structure of the present invention with the end cap removed;
fig. 4 is a schematic sectional view of the present invention.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-4, the utility model discloses an electric grinder with rotation type speed governing structure, which comprises a housin 1, support 2 and circuit board 3, the front end of support 2 inserts in casing 1 and is fixed with casing 1, the rear end of support 2 stretches out outside casing 1, the rear end of support 2 is provided with cavity 21, circuit board 3 is fixed in cavity 21, the electric grinder is still including rotating cover 4, gear 5 and end cover 6, be fixed with speed knob 7 on the circuit board 3, gear 5 is fixed with speed knob 7's adjusting end, it rotationally overlaps in the outside of support 2 rear end to rotate cover 4, it just is provided with rack portion 41 along the circumferential direction who rotates cover 4 on the inner wall of rotation cover 4, gear 5 meshes with rack portion 41, end cover 6 is fixed in the rear end of support 2 and is used for sealing cavity 21.
A circumferential limiting structure is arranged between the rotating sleeve 4 and the support 2 and is used for limiting the rotating angle range of the rotating sleeve 4 relative to the support 2; through the setting of circumference limit structure, under circumference limit structure's effect, can restrict and rotate the relative support pivoted angle scope of cover, can avoid rotating the cover and appear excessive pivoted condition promptly, also can avoid the regulation end of speed governing knob to appear by the excessive pivoted condition to can avoid the damage of speed governing knob.
The circumferential limiting structure comprises an arc-shaped groove 42 arranged on the inner wall of the rotating sleeve 4, a convex block 22 is arranged on the outer wall of the rear end of the support 2, and the convex block 22 is inserted into the arc-shaped groove 42 and is in sliding connection with the arc-shaped groove 42; when the rotating sleeve 4 rotates relative to the bracket 2, the lug 22 is used for abutting against the end part of the arc-shaped groove 42 so as to limit the rotating angle range of the rotating sleeve 4 relative to the bracket 2; after the circumferential limiting structure is adopted, when the rotating sleeve rotates forwards or backwards relative to the support, the convex block can finally abut against one end part of the arc-shaped groove respectively, so that the rotating angle range of the rotating sleeve relative to the support can be conveniently limited.
A plurality of anti-skid grooves 43 are circumferentially arranged on the outer wall of the rotating sleeve 4, and each anti-skid groove 43 extends along the axial direction of the rotating sleeve 4; after the plurality of anti-skidding grooves are formed in the outer wall of the rotating sleeve, when the anti-skidding sleeve is rotated by a finger, the friction force between the finger and the rotating sleeve can be increased under the action of the anti-skidding grooves, and therefore the anti-skidding function can be achieved.
An annular convex edge 23 is arranged on the outer wall of the bracket 2, and the annular convex edge 23 is abutted against the rear end of the shell 1; a pair of hooks 24 is arranged on the outer wall of the bracket 2 positioned at the front side of the annular convex edge 23, an annular clamping groove 11 is arranged on the inner wall of the shell 1, and each hook 24 is matched and clamped with the annular clamping groove 11; after adopting this kind of structure, the support can conveniently be in the same place with casing cooperation joint, also the support can conveniently be fixed together with the casing.
The end cover 6 is provided with a plurality of screw holes 61, and the end cover 6 is fixed with the bracket 2 through screws which are arranged in the screw holes 61 in a penetrating way and are in threaded connection with the bracket 2; by adopting such a structure, the end cap can be reliably fixed to the rear end of the bracket.
When the utility model is used, when the rotating speed of the electric grinder needs to be increased, the rotating sleeve can be rotated towards one direction, and at the moment, the rotating sleeve can drive the adjusting end of the speed adjusting knob to rotate towards one direction, so that the rotating speed of the electric grinder can be increased under the action of the speed adjusting knob; when the rotating speed of the electric grinder needs to be reduced, the rotating sleeve can be rotated towards the other direction, at the moment, the rotating sleeve can drive the adjusting end of the speed adjusting knob to rotate towards the other direction, and therefore the rotating speed of the electric grinder can be reduced under the action of the speed adjusting knob.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an electric grinder with rotation type speed governing structure, includes casing (1), support (2) and circuit board (3), the front end of support (2) inserts in casing (1) and is fixed with casing (1), the rear end of support (2) stretches out outside casing (1), the rear end of support (2) is provided with cavity (21), circuit board (3) are fixed in cavity (21), its characterized in that: the electric grinder is characterized by further comprising a rotating sleeve (4), a gear (5) and an end cover (6), wherein a speed regulation knob (7) is fixed on the circuit board (3), the gear (5) is fixed with the regulation end of the speed regulation knob (7), the rotating sleeve (4) is rotatably sleeved outside the rear end of the support (2), rack portions (41) are arranged on the inner wall of the rotating sleeve (4) and along the circumferential direction of the rotating sleeve (4), the gear (5) is meshed with the rack portions (41), and the end cover (6) is fixed at the rear end of the support (2) and used for sealing the cavity (21).
2. The electric grinder with the rotary speed regulating structure according to claim 1, wherein a circumferential limiting structure is arranged between the rotating sleeve (4) and the bracket (2), and the circumferential limiting structure is used for limiting the rotating angle range of the rotating sleeve (4) relative to the bracket (2).
3. The electric grinder with the rotary speed regulating structure according to claim 2, wherein the circumferential limiting structure comprises an arc-shaped groove (42) arranged on the inner wall of the rotating sleeve (4), a lug (22) is arranged on the outer wall of the rear end of the bracket (2), and the lug (22) is inserted into the arc-shaped groove (42) and is in sliding connection with the arc-shaped groove (42); when the rotating sleeve (4) rotates relative to the bracket (2), the lug (22) is used for abutting against the end part of the arc-shaped groove (42) so as to limit the rotating angle range of the rotating sleeve (4) relative to the bracket (2).
4. The electric grinder with the rotary speed regulating structure according to any one of claims 1 to 3, wherein the outer wall of the rotating sleeve (4) is circumferentially provided with a plurality of anti-slip grooves (43), and each anti-slip groove (43) extends along the axial direction of the rotating sleeve (4).
5. The electric grinder with a rotary speed regulating structure according to any one of claims 1 to 3, characterized in that the outer wall of the bracket (2) is provided with an annular convex edge (23), and the annular convex edge (23) abuts against the rear end of the housing (1); be located be provided with a pair of pothook (24) on the outer wall of support (2) of annular chimb (23) front side, be provided with ring groove (11) on the inner wall of casing (1), every pothook (24) all with ring groove (11) cooperation joint.
6. The electric grinder with the rotary speed regulating structure according to any one of claims 1 to 3, wherein a plurality of screw holes (61) are arranged on the end cover (6), and the end cover (6) is fixed with the bracket (2) through screws which are arranged in the screw holes (61) in a penetrating way and are in threaded connection with the bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222856722.XU CN218697227U (en) | 2022-10-27 | 2022-10-27 | Electric grinder with rotary speed regulating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222856722.XU CN218697227U (en) | 2022-10-27 | 2022-10-27 | Electric grinder with rotary speed regulating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218697227U true CN218697227U (en) | 2023-03-24 |
Family
ID=85593868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222856722.XU Active CN218697227U (en) | 2022-10-27 | 2022-10-27 | Electric grinder with rotary speed regulating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218697227U (en) |
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2022
- 2022-10-27 CN CN202222856722.XU patent/CN218697227U/en active Active
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