CN215454147U - Swing tooth structure for electric scissors - Google Patents
Swing tooth structure for electric scissors Download PDFInfo
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- CN215454147U CN215454147U CN202121841463.2U CN202121841463U CN215454147U CN 215454147 U CN215454147 U CN 215454147U CN 202121841463 U CN202121841463 U CN 202121841463U CN 215454147 U CN215454147 U CN 215454147U
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- swing tooth
- electric scissors
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Abstract
The utility model discloses a swing tooth structure for electric scissors, which comprises a swing tooth, wherein the swing tooth is rotatably arranged on a bracket through a pin shaft, and a plane bearing is arranged at the upper part of one side surface of the swing tooth, protrudes out of the side surface of the swing tooth and is in contact with the bracket. The upper part of one side surface of the swing tooth is provided with the plane bearing, and the plane bearing protrudes out of the side surface of the swing tooth and is in contact with the bracket, so that the swing tooth is not in direct contact with the bracket, the phenomenon of abrasion is avoided, the direct gap between the swing tooth and the bracket is ensured not to be enlarged, the phenomenon of tooth jumping between the swing tooth and the bevel gear is avoided, and the working efficiency of the electric scissors is ensured; and the smoothness of the relative swing of the swing teeth and the bracket can be improved, so that the electric scissors can run more smoothly and more labor-saving, and the electric scissors have strong market competitiveness.
Description
The technical field is as follows:
the utility model relates to the technical field of electric scissors products, in particular to a swing tooth structure for electric scissors.
Background art:
the electric scissors are small and exquisite in shape and convenient to carry as a garden tool, and are a common tool in gardening pruning. The electric scissors comprise a movable blade and a fixed blade, wherein the fixed blade is fixedly arranged on a machine shell, the movable blade is rotatably connected with the fixed blade, and the movable blade is driven by a motor through a transmission mechanism to do reciprocating swing, so that the cutting action is implemented.
During the use process, the fixed blade mainly plays a role in supporting, the movable blade plays a role in cutting, and only the movable blade is adopted to rotate so as to cut branches. The movable blade is arranged on a swing tooth, the swing tooth is arranged on a support through a pin shaft, and the swing tooth is driven by a bevel gear to swing on the pin shaft at the later stage, so that the movable blade is driven to swing, and the movable blade is matched with the fixed blade to realize the cutting action while swinging. Above-mentioned pendulum tooth can be direct and support medial surface contact at the swing in-process to can direct friction after long-term the use, lead to the phenomenon that wearing and tearing can appear in pendulum tooth and support medial surface later stage, the time, interval between it can grow, lead to later stage pendulum tooth and bevel gear very big probably to appear jumping the tooth phenomenon, lead to unable cutting end branch, influence electric shears's work efficiency.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
the utility model aims to overcome the defects of the prior art and provides a swing tooth structure for electric scissors.
In order to solve the technical problems, the utility model adopts the following technical scheme: the swing tooth structure for the electric scissors comprises a swing tooth, wherein the swing tooth is rotatably arranged on a support through a pin shaft, and a plane bearing is arranged on the upper portion of one side face of the swing tooth, protrudes out of the side face of the swing tooth and is in contact with the support.
Further, in the above technical scheme, a mounting groove is formed in the upper portion of one side face of the swing tooth, the plane bearing is mounted in the mounting groove, and the outer edge of the plane bearing is fastened with the inner wall of the mounting groove in an interference fit manner.
Furthermore, in the above technical solution, an arc-shaped protrusion for thickening is formed at the lower part of one side surface of the pendulum tooth, and a plurality of protruding tooth parts which are distributed along an arc and are adapted to the bevel gear are formed at the lower part of the other side surface of the pendulum tooth; and the end part of the anti-jumping tooth screw is contacted with the surface of the arc-shaped convex part or arranged beside the surface of the arc-shaped convex part.
Further, in the above technical solution, the surface of the end of the tooth-jumping-prevention screw is set to be a spherical surface or an arc surface.
Furthermore, in the above technical solution, inclined guide notches are formed on two sides of the arc-shaped convex part.
Furthermore, in the above technical solution, a bent support plate is formed on the bracket, the upper end of the support plate is bent from outside to inside relative to the lower end, the pin shaft is inserted into the upper end of the support plate, the inner side surface of the upper end of the support plate is in contact with the flat bearing, a gap is formed between the lower part of one side surface of the swing tooth and the inner side surface of the lower end of the support plate, a tooth jumping prevention screw is arranged at the lower end of the support plate, and the end part of the tooth jumping prevention screw extends into the gap.
Furthermore, in the above technical solution, a convex ring body for sleeving the movable blade is formed at the upper part of the other side surface of the swing tooth.
Furthermore, in the above technical solution, the plane bearing includes an annular main body and a plurality of cylindrical rollers which are equally distributed along the circumference and are rotatable, and the surface of the cylindrical roller protrudes from the surface of the annular main body.
After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: the upper part of one side surface of the swing tooth is provided with the plane bearing, and the plane bearing protrudes out of the side surface of the swing tooth and is in contact with the bracket, so that the swing tooth is not in direct contact with the bracket, the phenomenon of abrasion is avoided, the direct gap between the swing tooth and the bracket is ensured not to be enlarged, the phenomenon of tooth jumping between the swing tooth and the bevel gear is avoided, and the working efficiency of the electric scissors is ensured; and the smoothness of the relative swing of the swing teeth and the bracket can be improved, so that the electric scissors can run more smoothly and more labor-saving, and the electric scissors have strong market competitiveness.
Description of the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of another aspect of the present invention;
FIG. 3 is an exploded perspective view of the present invention;
FIG. 4 is a block diagram of the present invention assembled to form electric shears;
fig. 5 is a front view of the present invention assembled to form an electric shears.
The specific implementation mode is as follows:
the utility model is further illustrated below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1-5, the oscillating tooth structure for electric scissors comprises an oscillating tooth 1, wherein the oscillating tooth 1 is rotatably mounted on a bracket 3 through a pin shaft 2, a flat bearing 4 is arranged on the upper portion of one side surface of the oscillating tooth 1, and the flat bearing 4 protrudes out of the side surface of the oscillating tooth 1 and is in contact with the bracket 3. The upper part of one side surface of the swing tooth 1 is provided with the plane bearing 4, the plane bearing 4 protrudes out of the side surface of the swing tooth 1 and is contacted with the bracket 3, so that the swing tooth 1 is not directly contacted with the bracket 3, the abrasion phenomenon is avoided, the direct gap between the swing tooth 1 and the bracket 3 is ensured not to be enlarged, the tooth jumping phenomenon between the swing tooth and the bevel gear is avoided, and the working efficiency of the electric scissors is ensured; but also can improve the smoothness of the relative swing of the swing tooth 1 and the bracket 3, so that the electric scissors can run more smoothly and more labor-saving, and the electric scissors have strong market competitiveness.
The upper portion of a side face of the swing tooth 1 is provided with a mounting groove 11, the plane bearing 4 is mounted in the mounting groove 11, the outer edge of the plane bearing 4 is fastened with the inner wall of the mounting groove 11 through interference fit, the assembling structure is simple and firm, and the service life of a product can be guaranteed.
An arc convex part 12 for thickening is formed at the lower part of one side surface of the swing tooth 1, and a plurality of convex tooth parts 13 which are distributed along an arc and are matched with the bevel gear are formed at the lower part of the other side surface of the swing tooth 1; the bracket 3 is provided with a tooth jumping prevention screw 5, and the end part of the tooth jumping prevention screw 5 is contacted with the surface of the arc-shaped convex part 12 or arranged beside the surface of the arc-shaped convex part 12. The tooth jumping prevention screw 5 can ensure that the convex tooth part 13 of the swing tooth 1 can be stably meshed with the bevel gear, can further ensure that the tooth jumping phenomenon of the swing tooth and the bevel gear cannot be caused, and ensures the working efficiency of the electric scissors; in addition, the arc-shaped convex part 12 has a large thickness, is wear-resistant, and can improve the service life.
The surface of the end part of the anti-jumping screw 5 is arranged to be a spherical surface or a cambered surface, so that the end part of the anti-jumping screw 5 is contacted with the cambered convex part 12 more smoothly, and the swinging is smoother.
Inclined plane guide notches 121 are formed in two sides of the arc-shaped convex portion 12, and when the swing angle of the movable blade 6 is too large, the lower end of the swing tooth 1 is separated from the support plate 31 of the bracket 3 and is reset again, the inclined plane guide notches 121 are firstly contacted with the support plate 31, so that the swing tooth 1 can be reset smoothly.
The support 3 is formed with a bent support plate 31, the upper end of the support plate 31 is bent from outside to inside relative to the lower end, the pin shaft 2 penetrates through the upper end of the support plate 31, the inner side surface of the upper end of the support plate 31 is in contact with the planar bearing 4, a gap is formed between the lower part of one side surface of the swing tooth 1 and the inner side surface of the lower end of the support plate 31, the lower end of the support plate 31 is provided with a tooth jumping prevention screw 5, the end part of the tooth jumping prevention screw 5 extends into the gap, and the tooth jumping phenomenon of the swing tooth 1 can be effectively prevented.
And a convex ring body 14 for sleeving the movable blade 6 is formed at the upper part of the other side surface of the swing tooth 1.
The plane bearing 4 comprises an annular main body 41 and a plurality of cylindrical rollers 42 which are equally distributed and rotatable according to the circumference, the surfaces of the cylindrical rollers 42 protrude out of the surfaces of the annular main body 41, and the plane bearing is simple in structure, smoother in rolling contact and higher in working efficiency.
In summary, the planar bearing 4 is arranged on the upper portion of one side surface of the swing tooth 1, and the planar bearing 4 protrudes out of the side surface of the swing tooth 1 and contacts with the bracket 3, so that the swing tooth 1 does not directly contact with the bracket 3, the abrasion phenomenon is avoided, the direct gap between the swing tooth 1 and the bracket 3 is ensured not to be enlarged, the tooth jumping phenomenon between the swing tooth and the bevel gear is avoided, and the working efficiency of the electric scissors is ensured; but also can improve the smoothness of the relative swing of the swing tooth 1 and the bracket 3, so that the electric scissors can run more smoothly and more labor-saving, and the electric scissors have strong market competitiveness.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (8)
1. The utility model provides an electric scissors is with pendulum tooth structure, its includes pendulum tooth (1), should pendulum tooth (1) install on support (3) through round pin axle (2) with rotatable mode, its characterized in that: the upper part of one side face of the swing tooth (1) is provided with a plane bearing (4), and the plane bearing (4) protrudes out of the side face of the swing tooth (1) and is in contact with the support (3).
2. The swing tooth structure for electric scissors according to claim 1, wherein: the upper portion of one side face of the swing tooth (1) is provided with an installation groove (11), the plane bearing (4) is installed in the installation groove (11), and the outer edge of the plane bearing (4) is fastened with the inner wall of the installation groove (11) through interference fit.
3. The swing tooth structure for electric scissors according to claim 2, wherein: an arc-shaped convex part (12) for thickening is formed at the lower part of one side surface of the swing tooth (1), and a plurality of convex tooth parts (13) which are distributed along an arc and are matched with the bevel gear are formed at the lower part of the other side surface of the swing tooth (1); the anti-jumping screw (5) is arranged on the support (3), and the end part of the anti-jumping screw (5) is in contact with the surface of the arc-shaped convex part (12) or is arranged beside the surface of the arc-shaped convex part (12).
4. The swing tooth structure for electric scissors according to claim 3, wherein: the surface of the end part of the tooth jumping prevention screw (5) is arranged to be a spherical surface or a cambered surface.
5. The swing tooth structure for electric scissors according to claim 3, wherein: inclined plane guide notches (121) are formed in two sides of the arc-shaped convex part (12).
6. The swing tooth structure for electric scissors according to any one of claims 1 to 5, wherein: the support (3) are formed with bent support plates (31), the upper ends of the support plates (31) are bent from outside to inside relative to the lower ends of the support plates (31), the pin shafts (2) penetrate through the upper ends of the support plates (31), the inner side faces of the upper ends of the support plates (31) are in contact with the plane bearing (4), gaps are formed between the lower portions of one side faces of the swing teeth (1) and the inner side faces of the lower ends of the support plates (31), anti-jumping tooth screws (5) are arranged at the lower ends of the support plates (31), and the end portions of the anti-jumping tooth screws (5) extend into the gaps.
7. The swing tooth structure for electric scissors according to claim 6, wherein: and a convex ring body (14) for sleeving the movable blade (6) is formed at the upper part of the other side surface of the swing tooth (1).
8. The swing tooth structure for electric scissors according to any one of claims 1 to 5, wherein: the plane bearing (4) comprises an annular main body (41) and a plurality of cylindrical rollers (42) which are equally distributed along the circumference and can rotate, and the surface of each cylindrical roller (42) protrudes out of the surface of the annular main body (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841463.2U CN215454147U (en) | 2021-08-06 | 2021-08-06 | Swing tooth structure for electric scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841463.2U CN215454147U (en) | 2021-08-06 | 2021-08-06 | Swing tooth structure for electric scissors |
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| Publication Number | Publication Date |
|---|---|
| CN215454147U true CN215454147U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121841463.2U Active CN215454147U (en) | 2021-08-06 | 2021-08-06 | Swing tooth structure for electric scissors |
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| CN (1) | CN215454147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747379A (en) * | 2022-05-27 | 2022-07-15 | 山东咚阳园林机械有限公司 | Long-endurance electric pruning shear capable of instantly enhancing shearing force, preventing tooth jumping and avoiding damage to bark |
-
2021
- 2021-08-06 CN CN202121841463.2U patent/CN215454147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747379A (en) * | 2022-05-27 | 2022-07-15 | 山东咚阳园林机械有限公司 | Long-endurance electric pruning shear capable of instantly enhancing shearing force, preventing tooth jumping and avoiding damage to bark |
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Effective date of registration: 20230821 Address after: Room 107, Building 2, No. 18 Shigu Baoshi Road, Nancheng Street, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Shangfeng Precision Machinery Co.,Ltd. Address before: 503, block 5, Fu Zhu Yuan, Shizhu new garden, No.18, Hongtu Avenue, Nancheng District, Dongguan City, Guangdong Province, 523000 Patentee before: Lan Xifa |