CN211729055U - Swing mechanism and tool using same - Google Patents
Swing mechanism and tool using same Download PDFInfo
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- CN211729055U CN211729055U CN201922323611.0U CN201922323611U CN211729055U CN 211729055 U CN211729055 U CN 211729055U CN 201922323611 U CN201922323611 U CN 201922323611U CN 211729055 U CN211729055 U CN 211729055U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model relates to a swing mechanism, which comprises a driving source; an eccentric connected to a drive shaft of the drive source: an output shaft provided on one side of the drive shaft of the drive source in an axial direction of the drive shaft; and the first end of the swing rod is in transmission connection with the eccentric part, and the second end of the swing rod is sleeved on the output shaft. The utility model discloses still relate to an instrument, including the casing, aforementioned swing mechanism and connect the connector on swing structure's output shaft, swing mechanism sets up in the casing, and the connector stretches out outside the casing. The utility model provides a swing mechanism with the output shaft with the drive shaft parallel arrangement of driving source, not only can realize through the pendulum rod with the reliable transmission of eccentric part, can also realize and the output shaft between reliable transmission, relative slip's problem can not appear in the transmission process to the pendulum rod is strong for the swing synchronism of eccentric part in the course of the work, has guaranteed the accurate nature of output shaft wobbling. The tool using the swing mechanism has the advantages of high transmission reliability, accurate action and high construction quality.
Description
Technical Field
The utility model relates to a swing mechanism still relates to an electric tool who uses this swing mechanism.
Background
The output end of the hand-held electric tool can be provided with tool pieces in various shapes, and then the hand-held electric tool is driven by the electric tool to perform high-frequency small-amplitude swing, so that various work such as cutting, grinding and the like can be completed.
For example, the chinese utility model patent with the publication number CN206317026U (application number 201621139222.2) entitled "swing device and shift fork of hand-held electric tool", wherein the disclosed swing device of hand-held electric tool comprises an eccentric swing shaft, an output shaft and a housing, the eccentric swing shaft is driven by a motor, a positioning bearing and a spherical bearing are installed on the eccentric swing shaft, and a shaft end bearing of the output shaft is installed at one end of the output shaft; the other end of the output shaft is provided with a tool knife or a tool piece for sawing, cutting, shoveling or polishing, the tool knife or the tool piece is arranged on a connecting head, the connecting head is fixedly connected with the output shaft, the end part is also provided with an output shaft main bearing, the swinging device further comprises a right shifting fork, the shifting fork is arranged below an eccentric swinging shaft, a spherical bearing is arranged in a bearing groove of the shifting fork, the eccentric swinging shaft penetrates out of the bearing groove and is provided with a bearing at a penetrating end, the output shaft penetrates through a shaft hole of the shifting fork, and enough space for installing an electronic control unit is arranged above the shifting fork. The shell is used for fixing the motor and the bearings. When the tool is used, the motor works to drive the eccentric oscillating shaft to rotate, so that the shifting fork swings to drive the tool knife or the tool piece to swing. However, in this structure, the contact area of the yoke and the eccentric oscillating shaft is small, the reliability of the connection is low, and relative sliding is likely to occur in long-term use. And during operation, the shifting fork is easy to vibrate with the eccentric swinging shaft, so that the working effect is influenced, and particularly the construction quality is influenced for a processing position with higher precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem that provide a connect reliably to above-mentioned prior art, can effectively reduce the swing mechanism who connects the vibration.
The utility model discloses the second technical problem that will solve provides a practical reliability height to above-mentioned prior art, instrument that machining precision is high.
The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a swing mechanism comprising
A drive source;
an eccentric connected to a drive shaft of the drive source:
the method is characterized in that: also comprises
An output shaft provided on one side of the drive shaft of the drive source in an axial direction of the drive shaft;
and the first end of the swing rod is in transmission connection with the eccentric part, and the second end of the swing rod is sleeved on the output shaft.
In order to guarantee the reliability of the connection between the swing rod and the driving source and between the swing rod and the output shaft, the swing rod comprises a base plate, a groove for placing the eccentric part is formed in the upper surface of the first end of the base plate, and a sleeve pipe which is sleeved on the output shaft in a matching mode is connected to the second end of the base plate.
Preferably, the sleeve is integrally connected with the base plate.
In order to facilitate fixing, a bearing is further sleeved on the output shaft and is arranged below the sleeve.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: a tool comprises a shell and is characterized by further comprising the swing mechanism and a connector connected to an output shaft of the swing mechanism, wherein the swing mechanism is arranged in the shell, and the connector extends out of the shell.
Preferably, the output shaft is fixedly supported on the housing through a bearing;
the connector sleeve is arranged at the lower end of the output shaft and is located below the bearing.
In order to facilitate the installation of the tool piece, the connector comprises an upper chuck and a lower chuck, the lower chuck is connected to the lower end of the output shaft, the upper chuck is fixedly connected with the bearing, and the output shaft is arranged in the shell in a vertically movable mode.
The output shaft is sleeved with a connecting sleeve, and the upper chuck, the bearing and the oscillating bar are fixedly and tightly sleeved on the connecting sleeve;
the top of the output shaft end extends outwards along the radial direction to form a limiting part, an elastic part is sleeved outside the output shaft, one end of the elastic part abuts against the limiting part, and the other end of the elastic part abuts against the top of the connecting sleeve;
the top that corresponds to the output shaft on the casing still rotates and is provided with the trigger, the spanner portion of trigger stretches out outside the casing.
Preferably, still be provided with control circuit board in the casing, control circuit board is connected with the driving source electricity, still inlay the switch that is connected with control circuit board electricity on the casing.
Preferably, a battery is further arranged in the shell and electrically connected with the driving source and the control circuit board.
Compared with the prior art, the utility model has the advantages of: the utility model provides an oscillating mechanism sets up the drive shaft vertical direction of output shaft and driving source among the prior art, with the drive shaft parallel arrangement of output shaft and driving source, so for the shift fork connection, the utility model discloses in not only can realize the reliable transmission with the eccentric part through the pendulum rod, can also realize and the output shaft between reliable transmission, can not appear the problem of relative slip because of transmission area is little in the transmission process to the pendulum rod is strong for the swing synchronism of eccentric part in the course of the work, can not and the eccentric part self between exist the condition of relative vibration because of the connection problem, guaranteed the accurate nature of output shaft wobbling. When the tool using the swing mechanism works, the transmission reliability is high, the action is accurate, and the construction quality is high.
Drawings
Fig. 1 is a perspective view of a tool in an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a tool in an embodiment of the invention.
Fig. 3 is a perspective view of the swing mechanism in the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The present invention will be described in further detail with reference to the following embodiments.
The swing mechanism in this embodiment can be applied to various mechanical products, and the structure of the swing mechanism and the multifunctional tool using the swing mechanism will be described in detail in this embodiment with the use of the swing mechanism in a multifunctional power tool as an example.
As shown in fig. 1 and 2, the tool in this embodiment includes a housing 7, a swing mechanism, a connector 6, a trigger 100, a control circuit board 200, a switch 400, and a battery 300.
Wherein the whole body of the shell 7 is L-shaped, and the shell 7 can be disassembled and assembled. The horizontal part of the shell 7 is convenient to hold, and the vertical part of the shell 7 is convenient to extend the tool to a position to be machined by the tool for working.
The control circuit board 200 is disposed in the housing 7, the switch 400 is embedded in the housing 7 and electrically connected to the control circuit board 200, and then a user can operate the switch 400 to control the tool to be turned on or off. The battery 300 is disposed in the rear portion of the horizontal portion of the housing 7, and the battery 300 is housed using the rechargeable battery 300, or using the mounted dry cell 300. The battery 300 is electrically connected to the control circuit board 200 to supply power to the control circuit board 200.
As shown in fig. 3, the swing mechanism includes a drive source 1, an eccentric member 2, an output shaft 3, a swing lever 4, and a bearing 5.
The driving source 1 in this embodiment is a motor, and a motor shaft is a driving shaft 11 of the driving source 1. The driving source 1 is electrically connected to a control circuit board 200 and a battery 300, the battery 300 can supply power to the driving source 1, and the control circuit board 200 can control the driving source 1 to be turned on and off according to the operation of a switch 400.
The motor in this embodiment is disposed at a position close to a corner of the horizontal portion in the housing 7, and in order to save space, the control circuit board 200 is disposed at the top of the motor, and the switch 400 is embedded in the housing 7 at a position corresponding to the control circuit board 200, thereby shortening the length of a connection line between the switch 400 and the control board.
The drive shaft 11 of the drive source 1 extends downwards in the vertical direction, and the eccentric 2 is connected to the lower end of the drive shaft 11 of the drive source 1, the eccentric 2 being selected in accordance with the desired amplitude of oscillation, for example, an eccentric bearing.
The output shaft 3 is disposed in a vertical portion of the housing 7, and the axial direction of the output shaft 3 is parallel to the axial direction of the drive shaft 11 of the drive source 1. And the output shaft 3 is located on the side of the drive shaft 11 of the drive source 1, and the output shaft 3 extends upward to the corner position of the housing 7 and downward to the outside of the housing 7. The output shaft 3 is at a distance from the drive shaft 11 of the drive source 1. The rocker 4 is arranged between the output shaft 3 and the drive shaft 11 of the drive source 1.
Specifically, the swing link 4 includes a base plate 41, a groove 42 for the eccentric member 2 to be inserted is disposed on an upper surface of a first end of the base plate 41, and a radius of the groove 42 matches a swing radius of the eccentric member 2. The first end of the base plate 41 is supported on the inner wall of the housing 7 of the horizontal portion. The second end of the base plate 41 is connected with a sleeve 43 which is sleeved on the output shaft 3 in a matching manner, and the sleeve 43 is integrally connected with the base plate 41. Thus, as the driving source 1 drives the eccentric member 2 to rotate, the eccentric member 2 drives the base plate 41 to swing, so as to drive the output shaft 3 to swing under the action of the sleeve 43.
The output shaft 3 in this embodiment is further sleeved with a bearing 5, in this embodiment, a double bearing is adopted, the bearing 5 is supported on the housing 7, and further the support of the output shaft 3 on the housing 7 is realized, the bearing 5 is arranged below the sleeve 43 and is tightly attached to the lower end of the sleeve 43, so that the support for the second end of the swing rod 4 is also formed.
The coupling head 6 is connected to the lower end of the output shaft 3 and is located below the bearing 5. Specifically, the connecting head 6 includes an upper jaw 61 and a lower jaw 62. Go up chuck 61 and bearing 5 fixed connection, the cover is equipped with adapter sleeve 8 on the output shaft 3 in this implementation, goes up chuck 61, bearing 5 and the fixed close-fitting cover of pendulum rod 4 and establishes on adapter sleeve 8, and this adapter sleeve 8 can guarantee adapter sleeve 8, goes up chuck 61, bearing 5 along with the wobbling synchronism of output shaft 3, simultaneously because bearing 5 fixes on casing 7, has consequently guaranteed adapter sleeve 8, has gone up the reliable connection of chuck 61 on casing 7. The lower chuck 62 is connected to the lower end of the output shaft 3, in this embodiment, a threaded hole is formed in the center of the lower connector 6, and a connecting thread is formed on the outer wall of the lower end of the output shaft 3, so that the connection between the lower chuck 62 and the output shaft 3 is realized in a threaded connection manner. And the output shaft 3 is provided in the housing 7 to be movable up and down. That is, the output shaft 3 can slide up and down relative to the connecting sleeve 8, and then the lower chuck 62 is driven to move up and down relative to the upper chuck 61, so that the tool pieces can be installed and clamped between the upper chuck 61 and the lower chuck 62.
In order to ensure the firmness of connection between the upper chuck 61 and the lower chuck 62 after the upper chuck 61 and the lower chuck 62 are clamped, a limiting column is convexly arranged at the center of the lower chuck 62 in the embodiment, a threaded hole for connecting the output shaft 3 is arranged in the limiting column, a positioning column extending downwards is arranged on the upper chuck 61 along the circumferential direction, and a concave groove is arranged on the lower chuck 62 corresponding to each positioning column. When the tool piece is installed, the tool piece is provided with an arc-shaped hole which can be clamped into the limiting column, the clamping is convenient to fix on the lower chuck 62, meanwhile, the tool piece is provided with small holes corresponding to the positioning columns, and the positioning columns can penetrate through the small holes in the tool piece and extend into the concave grooves of the lower chuck 62, so that the tool piece is clamped and fixed. According to the work that needs were carried out, can change different tool pieces, for example carry out the tool piece of different work such as saw, cut, shovel or polish, can change the tool piece of different shapes simultaneously in the construction of different positions.
In order to facilitate the up-and-down movement of the output shaft 3 in this embodiment, the top of the end of the output shaft 3 extends radially outward to form a limiting portion 31, the output shaft 3 is further sleeved with an elastic member 9, one end of the elastic member 9 abuts against the limiting portion 31, and the other end of the elastic member abuts against the top of the connecting sleeve 8. The trigger 100 is rotatably connected to the housing 7 corresponding to the top of the output shaft 3, and the wrench portion of the trigger 100 protrudes out of the housing 7. When the tool piece needs to be installed, the wrench of the trigger 100 is pulled upwards, the working part of the trigger 100 presses the output shaft 3 downwards along with the rotation, the elastic piece 9 is in a compressed state, and the lower chuck 62 moves downwards along with the downward movement of the output shaft 3 and is separated from the upper chuck 61. After the tool piece is installed, the wrench of the trigger 100 is pulled downward, and the working portion of the trigger 100 releases the pressing force on the output shaft 3 as it rotates. And the elastic member 9 is reset. The upper and lower chucks 61 and 62 grip the tool piece.
When the tool is used, a user controls the driving source 1 to start to work through the operating switch 400, then the eccentric part 2 is driven to rotate, the swing rod 4 is driven to swing, the tool piece is driven to swing at high frequency along with the driving of the output shaft 3, and then the tool piece completes corresponding work.
The utility model provides an oscillating mechanism sets up output shaft 3 and the 11 vertical directions of drive shaft of driving source 1 among the prior art, with output shaft 3 and the 11 parallel arrangement of drive shaft of driving source 1, so for the shift fork connection, the utility model discloses in not only can realize through pendulum rod 4 with the reliable transmission of eccentric part 2, can also realize and the output shaft 3 between reliable transmission, can not appear the problem of relative slip because transmission area is little at the transmission in-process to pendulum rod 4 is strong for the swing synchronism of eccentric part 2 in the course of the work, can not and eccentric part 2 self between exist the condition of relative vibration because of the connection problem, guaranteed output shaft 3 wobbling precision. When the tool using the swing mechanism works, the transmission reliability is high, the action is accurate, and the construction quality is high.
Claims (10)
1. A swing mechanism comprising
A drive source (1);
an eccentric (2) connected to a drive shaft (11) of the drive source (1):
the method is characterized in that: also comprises
An output shaft (3) provided on one side of the drive shaft (11) of the drive source (1) in the axial direction of the drive shaft (11);
the first end of the swing rod (4) is in transmission connection with the eccentric part (2), and the second end of the swing rod is sleeved on the output shaft (3).
2. The oscillating mechanism of claim 1, wherein: the swing rod (4) comprises a base plate (41), a groove (42) for placing the eccentric part (2) is formed in the upper surface of the first end of the base plate (41), and a sleeve (43) which is sleeved on the output shaft (3) in a matching mode is connected to the second end of the base plate (41).
3. The oscillating mechanism of claim 2, wherein: the sleeve (43) is integrally connected with the base plate (41).
4. The oscillating mechanism of claim 2, wherein: the output shaft (3) is further sleeved with a bearing (5), and the bearing (5) is arranged below the sleeve (43).
5. A tool comprising a housing (7), characterized in that: the swing mechanism as claimed in any one of claims 1 to 4, and a connector (6) connected to the output shaft (3) of the swing mechanism, wherein the swing mechanism is disposed in the housing (7), and the connector (6) extends out of the housing (7).
6. The tool of claim 5, wherein: the output shaft (3) is fixedly supported on the shell (7) through a bearing (5);
the connector (6) is sleeved at the lower end of the output shaft (3) and is located below the bearing (5).
7. The tool of claim 6, wherein: the connecting head (6) comprises an upper clamping head (61) and a lower clamping head (62), the lower clamping head (62) is connected to the lower end of the output shaft (3), the upper clamping head (61) is fixedly connected with the bearing (5), and the output shaft (3) can move up and down and is arranged in the shell (7).
8. The tool of claim 7, wherein: the output shaft (3) is sleeved with a connecting sleeve (8), and the upper chuck (61), the bearing (5) and the swing rod (4) are fixedly and tightly sleeved on the connecting sleeve (8);
a limiting part (31) extends outwards along the radial direction at the top of the end of the output shaft (3), an elastic part (9) is sleeved outside the output shaft (3), one end of the elastic part (9) abuts against the limiting part (31), and the other end of the elastic part abuts against the top of the connecting sleeve (8);
the top of the shell (7) corresponding to the output shaft (3) is further provided with a trigger (100) in a rotating mode, and a wrench part of the trigger (100) extends out of the shell (7).
9. The tool of claim 5, wherein: still be provided with control circuit board (200) in casing (7), control circuit board (200) are connected with driving source (1) electricity, still inlay on casing (7) and be equipped with switch (400) of being connected with control circuit board (200) electricity.
10. The tool of claim 9, wherein: still be provided with battery (300) in casing (7), battery (300) are connected with driving source (1), control circuit board (200) electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922323611.0U CN211729055U (en) | 2019-12-20 | 2019-12-20 | Swing mechanism and tool using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922323611.0U CN211729055U (en) | 2019-12-20 | 2019-12-20 | Swing mechanism and tool using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211729055U true CN211729055U (en) | 2020-10-23 |
Family
ID=72868913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922323611.0U Active CN211729055U (en) | 2019-12-20 | 2019-12-20 | Swing mechanism and tool using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211729055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012646A (en) * | 2021-10-29 | 2022-02-08 | 合肥工业大学 | Swing transmission double-head double-way fastening device |
-
2019
- 2019-12-20 CN CN201922323611.0U patent/CN211729055U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012646A (en) * | 2021-10-29 | 2022-02-08 | 合肥工业大学 | Swing transmission double-head double-way fastening device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231107 Address after: 315191 Zhou Hancun, Jiangshan Town, Yinzhou District, Ningbo, Zhejiang Patentee after: Ningbo Chitu Technology Co.,Ltd. Address before: 315000, 11 building, Tianyi business center, 21 Hua Lou lane, Haishu District, Zhejiang, Ningbo Patentee before: NINGBO GEMAY INDUSTRY Co.,Ltd. |
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| TR01 | Transfer of patent right |