CN215966664U - Scroll saw - Google Patents
Scroll saw Download PDFInfo
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- CN215966664U CN215966664U CN202122112150.XU CN202122112150U CN215966664U CN 215966664 U CN215966664 U CN 215966664U CN 202122112150 U CN202122112150 U CN 202122112150U CN 215966664 U CN215966664 U CN 215966664U
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Abstract
The utility model discloses a curve saw, which comprises a shell (1), a machine base (2), a motor (3), a reciprocating rod (4) and a saw blade (5); the transmission mechanism further comprises an idler wheel (8), wherein the idler wheel (8) is arranged on the base (2) and is meshed with the first gear (6) and the second gear (7) simultaneously. The curve saw is additionally provided with the idle wheel between the small gear and the big gear, so that the addendum circle diameter of the big gear can be reduced, the size of the external dimension can be reduced, the addendum circle external diameter of the second gear can be reduced, namely, a smaller gear can be adopted, and the size of the external dimension can be reduced; meanwhile, the installation height of the motor gear is pulled open, the center of the motor main body is reduced, the motor gear is closer to the position of the bottom plate, and the operation comfort performance can be better provided in the aspect of ergonomics.
Description
Technical Field
The utility model relates to the technical field of electric tools, in particular to a curve saw.
Background
The scroll saw is one kind of electric tool, and is widely used in various occasions. The working principle is that the motor is decelerated through a gear, and an eccentric rolling sleeve on a large gear drives a reciprocating rod and a saw blade to reciprocate to saw. The output shaft of the existing motor is connected with a pinion which is directly meshed with a bull gear, and because the distance between a reciprocating rod and the motor is long, in order to enable the pinion to be meshed with the bull gear, the diameter of the addendum circle of the bull gear can only be increased, so that the overall dimension of the whole jig saw is large, and the jig saw is not portable enough to carry.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a gear which is characterized in that an idler wheel is additionally arranged between a small gear and a big gear, so that the addendum circle diameter of the big gear can be reduced, the external dimension can be reduced, the addendum circle external diameter of a second gear can be reduced, namely, a smaller gear can be adopted, and the external dimension can be reduced; meanwhile, the installation height size of the motor gear is pulled open, the center of the motor main body is reduced, the motor gear is closer to the position of the bottom plate, and the jigsaw with comfortable operation performance can be provided in the aspect of ergonomics.
The technical scheme of the utility model is that the utility model provides a jig saw with the following structure, which comprises a shell, a machine base, a motor, a reciprocating rod and a saw blade; the base and the motor are arranged in the shell, and the motor is connected with the reciprocating rod through a transmission mechanism; the top of the saw blade is connected with the reciprocating rod, and the bottom of the saw blade extends out of the shell; the transmission mechanism comprises a first gear and a second gear which are arranged on the base, the first gear is connected with an output shaft of the motor, and the second gear is connected with the reciprocating rod; the method is characterized in that: the transmission mechanism further comprises an idler wheel, and the idler wheel is arranged on the base and is meshed with the first gear and the second gear simultaneously.
The idler gear is located between the first gear and the second gear.
The axis of the idle gear is parallel to the axis of the first gear and the axis of the second gear; the axial line of the first gear and the axial line of the second gear 7 are in the same plane, the axial line of the first gear of the axial line of the idle gear forms a first plane, the axial line of the second gear of the axial line forms a second plane, and the first plane and the second plane form an included angle.
The center of idler is equipped with the gear shaft, the gear shaft passes through the bearing and connects in the mounting hole of frame.
The lower part of casing is equipped with the bottom plate, be equipped with the breach that supplies the saw blade to pass on the bottom plate, still be equipped with gyro wheel support and gyro wheel on the casing, gyro wheel support and casing are connected, the gyro wheel rotates to be connected on gyro wheel support, the lateral wall of gyro wheel is equipped with the recess, the bottom surface of recess and the lateral wall laminating of saw blade.
The lower part of casing is equipped with the bottom plate, be equipped with the breach that supplies the saw blade to pass on the bottom plate, still be equipped with gyro wheel support and gyro wheel on the casing, gyro wheel support and casing are connected, the gyro wheel rotates to be connected on gyro wheel support, the lateral wall of gyro wheel is equipped with the recess, the bottom surface of recess and the lateral wall laminating of saw blade.
After adopting the structure, the utility model has the following advantages: an idler wheel is additionally arranged between the first gear and the second gear, and the idler wheel is respectively meshed with the first gear and the second gear, namely the original two gears are meshed with each other to form three gears, so that the battery and the second gear can realize transmission, the addendum circle outer diameter of the second gear can be reduced, namely a smaller gear can be adopted, and the size of the appearance size can be reduced; meanwhile, the installation height of the motor gear is pulled open, the center of the motor main body is reduced, the motor gear is closer to the position of the bottom plate, and the operation comfort performance can be better provided in the aspect of ergonomics.
As a refinement, the axis of the idle gear is parallel to the axis of the first gear and the axis of the second gear, and the axis of the first gear and the axis of the second gear are in the same plane; the axis of the first gear of the axis of the idle gear forms a first plane, the axis of the second gear of the axis forms a second plane, and the first plane and the second plane form an included angle, namely when the idle gear moves towards two sides, the center distance between the motor gear and the large gear can be reduced, and the gravity center of the curve saw is lowered.
As an improvement, the lower part of casing is equipped with the bottom plate, be equipped with the breach that supplies the saw blade to pass on the bottom plate, still be equipped with gyro wheel support and gyro wheel on the casing, gyro wheel support and casing are connected, the gyro wheel rotates to be connected on gyro wheel support, the lateral wall of gyro wheel is equipped with the recess, the bottom surface of recess and the lateral wall laminating of saw blade provide location and support for the saw blade.
Drawings
Fig. 1 is a partially exploded view of the jigsaw of the present invention.
Fig. 2 is a schematic cross-sectional view of the jigsaw of the present invention.
Fig. 3 is an internal schematic view of the jigsaw of the present invention.
Fig. 4 is a schematic view of the drive mechanism of the jigsaw of the present invention.
The machine comprises a shell 1, a shell 2, a base 3, a motor 4, a reciprocating rod 5, a saw blade 6, a first gear 7, a second gear 8, an idler wheel 9, a gear shaft 10, a bottom plate 11, a roller bracket 12 and a roller.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1-4, the jig saw of the present invention comprises a housing 1, a base 2, a motor 3, a reciprocating lever 4 and a saw blade 5; the machine base 2 and the motor 3 are arranged in the shell 1, and the shell 1 consists of a left block and a right block. The motor 3 is connected with the reciprocating rod 4 through a transmission mechanism; the top of the saw blade 5 is connected with the reciprocating rod 4, and the bottom of the saw blade extends out of the shell 1; the bottom of the shell 1 is provided with a bottom plate 10, and the saw blade 5 passes through the notch of the bottom plate 10. The motor drives the reciprocating rod and the saw blade to reciprocate to saw.
The transmission mechanism comprises a first gear 6 and a second gear 7 which are arranged on the base 2, the first gear 6 is connected with an output shaft of the motor 3, and the second gear 7 is connected with the reciprocating rod 4; the transmission mechanism further comprises an idler gear 8, wherein the idler gear 8 is arranged on the base 2 and is meshed with the first gear 6 and the second gear 7 simultaneously. The first gear 6, the second gear 7 and the idle gear 8 are all circular gears.
The idler gear 8 is located between the first gear 6 and the second gear 7. The axis of the idle gear 8 is parallel to the axis of the first gear 6 and the axis of the second gear 7; the axial line of the first gear 6 and the axial line of the second gear 7 are in the same plane, the axial line of the idler gear 8 and the axial line of the first gear 6 form a first plane, the axial line of the idler gear 8 and the axial line of the second gear 7 form a second plane, and the first plane and the second plane form an included angle. That is, when the idle wheel moves towards two sides, the center distance between the motor gear and the big gear can be reduced, and the center of gravity of the curve saw is lowered.
The center of the idle wheel 8 is provided with a gear shaft 9, and the gear shaft 9 is connected in the mounting hole of the machine base 2 through a bearing.
The lower part of casing 1 is equipped with bottom plate 10, be equipped with the breach that supplies saw blade 5 to pass on the bottom plate 10, still be equipped with gyro wheel support 11 and gyro wheel 12 on the casing 1, gyro wheel support 11 is connected with casing 1, gyro wheel 12 rotates to be connected on gyro wheel support 11, the lateral wall of gyro wheel 12 is equipped with the recess, the bottom surface of recess and the lateral wall laminating of saw blade 5.
Claims (5)
1. A curve saw comprises a shell (1), a machine base (2), a motor (3), a reciprocating rod (4) and a saw blade (5); the base (2) and the motor (3) are arranged in the shell (1), and the motor (3) is connected with the reciprocating rod (4) through a transmission mechanism; the top of the saw blade (5) is connected with the reciprocating rod (4), and the bottom of the saw blade extends out of the shell (1); the transmission mechanism comprises a first gear (6) and a second gear (7) which are arranged on the base (2), the first gear (6) is connected with an output shaft of the motor (3), and the second gear (7) is connected with the reciprocating rod (4); the method is characterized in that: the transmission mechanism further comprises an idler wheel (8), wherein the idler wheel (8) is arranged on the base (2) and is meshed with the first gear (6) and the second gear (7) simultaneously.
2. The curve saw of claim 1, wherein: the idler gear (8) is located between the first gear (6) and the second gear (7).
3. A curve saw according to claim 1 or 2, characterized in that: the axis of the idle gear (8) is parallel to the axis of the first gear (6) and the axis of the second gear (7); the axis of the first gear (6) and the axis of the second gear (7) are in the same plane, the axis of the idle gear (8) and the axis of the first gear (6) form a first plane, the axis of the idle gear (8) and the axis of the second gear (7) form a second plane, and the first plane and the second plane form an included angle.
4. The curve saw of claim 1, wherein: the center of idler (8) is equipped with gear shaft (9), gear shaft (9) pass through the bearing and connect in the mounting hole of frame (2).
5. The curve saw of claim 1, wherein: the lower part of casing (1) is equipped with bottom plate (10), be equipped with the breach that supplies saw blade (5) to pass on bottom plate (10), still be equipped with gyro wheel support (11) and gyro wheel (12) on casing (1), gyro wheel support (11) are connected with casing (1), gyro wheel (12) rotate to be connected on gyro wheel support (11), the lateral wall of gyro wheel (12) is equipped with the recess, the bottom surface of recess and the lateral wall laminating of saw blade (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112150.XU CN215966664U (en) | 2021-09-03 | 2021-09-03 | Scroll saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112150.XU CN215966664U (en) | 2021-09-03 | 2021-09-03 | Scroll saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215966664U true CN215966664U (en) | 2022-03-08 |
Family
ID=80582715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122112150.XU Active CN215966664U (en) | 2021-09-03 | 2021-09-03 | Scroll saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215966664U (en) |
-
2021
- 2021-09-03 CN CN202122112150.XU patent/CN215966664U/en active Active
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| GR01 | Patent grant | ||
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