CN210987178U - Angle adjusting mechanism of pole pruning saw - Google Patents
Angle adjusting mechanism of pole pruning saw Download PDFInfo
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- CN210987178U CN210987178U CN201921739523.2U CN201921739523U CN210987178U CN 210987178 U CN210987178 U CN 210987178U CN 201921739523 U CN201921739523 U CN 201921739523U CN 210987178 U CN210987178 U CN 210987178U
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- machine head
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- positioning pin
- pull handle
- pin
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Abstract
The utility model provides an angle adjustment mechanism of branches of tall trees saw. The angle adjusting mechanism comprises a positioning sheet, a positioning pin sleeve, a positioning pin and a pull handle, wherein the positioning sheet is an arc sheet, the device is fixed at the right end of the machine head, a row of positioning holes are arranged on the positioning sheet, the positioning pin bush is fixed at the bottom of the right side of the machine head connecting mechanism, an output shaft at the bottom of the left side of the machine head connecting mechanism is directly inserted and fixed on the machine head, the support rod passes through the pull handle and then is fixed with the right end of the machine head connecting mechanism, meanwhile, the pull handle can move back and forth along the support rod, the bottom of the pull handle extends downwards to form a positioning pin fixing part, the left end of the positioning pin is conical, the right end of the positioning pin is a hexagonal fixing part, the left side of the positioning pin passes through the positioning pin fixing part, the resisting bolt, the pressure spring, the gasket and the positioning pin sleeve and then is inserted in the positioning hole, and a jump ring carries on spacingly to the gasket displacement left, and above-mentioned fender bolt and the right side spiro union of locating pin cover control the locating pin and which locating hole card comes the adjustment aircraft nose angle through pulling the pull handle.
Description
Technical Field
The utility model relates to a spare part of branches of tall trees saw, specific angle adjusting mechanism of branches of tall trees saw for adjusting aircraft nose angle that says so.
Background
The pole pruning saw is a tool for sawing high branches, and comprises a machine head, a saw chain mechanism arranged on the machine head, a machine head connecting mechanism, a supporting rod and a power mechanism, wherein one end of the supporting rod is connected with the power mechanism, the other end of the supporting rod is connected with the machine head connecting mechanism, a power output flexible shaft of the power mechanism penetrates through the inside of the supporting rod and then is connected with the machine head connecting mechanism to transmit power to the machine head connecting mechanism, and the machine head connecting mechanism is connected with the machine head and is connected and locked with the saw chain mechanism through an output shaft of the machine head connecting mechanism to transmit the power to the saw chain mechanism. The connecting shell of the machine head connecting mechanism of the existing high-branch saws is directly fixed with the machine head through a bolt, so that a saw chain of a saw chain mechanism of the machine head and a supporting rod are on the same straight line, namely the angle between the machine head and the supporting rod cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
In view of the defect that current branches of tall trees saw exists, the utility model aims to solve the technical problem be: an angle adjusting mechanism for connecting a machine head and a support rod is provided, so that the angle of the machine head can be adjusted.
In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: an angle adjustment mechanism for a pole saw, comprising:
the positioning piece is an arc-shaped piece, is fixed on the machine head and is opposite to the saw chain, and is provided with a plurality of positioning holes;
the positioning pin sleeve is positioned at the bottom of the machine head connecting mechanism and is opposite to an output shaft on the machine head connecting mechanism, and the output shaft is directly inserted on the machine head and can rotate around the machine head;
the locating pin, locating pin one end is the toper, and the other end is the hexagonal fixed part, be equipped with the snap ring groove on its position that is close to the toper portion of locating pin, cup jointed retaining bolt, pressure spring and gasket on the locating pin in proper order, the gasket outside is equipped with the jump ring of card at the snap ring inslot simultaneously, and the jump ring comes to carry on spacingly to the pressure spring with retaining bolt's cooperation, locating pin toper side passes locating pin cover plug-in one of them locating hole, and retaining bolt and locating pin cover's centre bore spiro union simultaneously.
This angle adjustment mechanism of branches of tall trees saw passes through the bracing piece and is connected the aircraft nose fixedly with the aircraft nose, the output shaft of aircraft nose coupling mechanism bottom is direct to be pegged graft on the aircraft nose, increase the arc spacer simultaneously at the aircraft nose, open the locating piece on the spacer, and increase the locating pin cover in aircraft nose coupling mechanism bottom, the locating hole of pegging graft behind the locating pin cover is passed to the locating pin that resets through the pressure spring, when locating pin and locating hole separation, the aircraft nose just can rotate, release the locating pin after adjusting the angle, reset the card in its corresponding locating hole through the pressure spring.
Further, angle adjustment mechanism still include the pull handle, the pull handle supplies the bracing piece to alternate, makes the bracing piece pass the pull handle and peg graft with aircraft nose coupling mechanism, and the pull handle can be followed the bracing piece round trip movement simultaneously, the pull handle bottom still is equipped with the locating pin fixed part, and the locating pin passes after the locating pin fixed part and is passing and keep out the bolt, and the pull handle can drive the hexagonal fixed part and remove together along the bracing piece when moving toward keeping away from aircraft nose coupling mechanism one side simultaneously. The design is to facilitate the adjustment of the machine head, and the positioning pin can be separated from the positioning hole on the positioning sheet after the pull handle is pulled.
Furthermore, an unlocking mark is arranged on the positioning pin fixing part.
Compared with the prior art, the utility model has the advantages of: whether locking of aircraft nose is controlled through the locating pin, like this when the operator saw cuts the branch with the saw chain, the operator drives locating pin and locating hole separation through the pull handle, behind the swivel support pole, the angle of bracing piece and aircraft nose just can be adjusted to needs angle, improvement work efficiency that can be great.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a schematic view of a part of an angle adjusting mechanism of a pole saw according to the present invention.
Description of reference numerals: 1. positioning plates; 2. positioning holes; 3. a machine head; 4. a machine head connecting mechanism; 5. positioning a pin sleeve; 6. an output shaft; 7. pulling a handle; 8. a positioning pin fixing part; 9. a support bar; 10. positioning pins; 11. a hexagonal fixing portion; 12. a resisting bolt; 13. a pressure spring; 14. a gasket; 15. and a clamp spring.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, the angle adjusting mechanism of a pole pruning saw provided in this embodiment includes a positioning plate 1, a positioning pin sleeve 5, a positioning pin 10 and a pull handle 7, wherein the positioning plate 1 is an arc iron plate, two ends of the positioning plate 1 are fixed on the right side of a machine head 3 through screws, the left side of the machine head 3 is a saw chain, the positioning plate 1 is provided with a row of positioning holes 2, the positioning pin sleeve 5 is fixed on the bottom of the right side of a machine head connecting mechanism 4, an output shaft 6 at the bottom of the left side of the machine head connecting mechanism 4 is directly inserted and fixed on the machine head 3, the output shaft 6 is located on the left side of the positioning plate 1, the pull handle 7 is hollow, a support rod 9 passes through the pull handle 7 to be fixed with the right end of the machine head connecting mechanism 4, the pull handle 7 can move back and forth along the support rod 9, the pull handle 7 is designed to prevent slipping, the left end of the positioning pin 10 is conical, the right end of the positioning pin is a hexagonal fixing portion 11, a clamp spring groove is formed in the position, close to the conical portion, of the left end of the positioning pin 10, the left side of the positioning pin 10 penetrates through the positioning pin fixing portion 8, the retaining bolt 12, the pressure spring 13, the gasket 14 and the positioning pin sleeve 5 and then is inserted into the positioning hole 2, the clamp spring 15 is clamped in the clamp spring groove to limit the leftward displacement of the gasket 14, meanwhile, the clamp spring 15, the gasket 14 and the pressure spring 13 are located in the positioning pin sleeve 5, the left side of the retaining bolt 12 is in threaded connection with the right side of the positioning pin sleeve 5, and meanwhile, the retaining bolt 12 also limits the rightward movement of the pressure spring 13.
When the high-branch saw with the angle adjusting mechanism is normally used, two-point positioning is carried out through the output shaft 6 and the positioning pin 10, when the machine head 3 needs to adjust the angle, a user pulls the pull handle 7 backwards to enable the pull handle 7 to drive the hexagonal fixing portion 11, the positioning pin 10 is separated from the clamping connection of the positioning hole 2, the supporting rod 9 swings, the positioning pin 10 can be opposite to other positioning holes 2, the pull handle 7 is released, the supporting rod 9 rotates to carry out fine adjustment, the positioning pin 10 is inserted into the opposite positioning holes 2 through resetting of the pressure spring 13, the angle adjustment of the machine head 3 is achieved, and therefore the working efficiency is greatly improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by 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 protection scope of the present invention.
Claims (3)
1. An angle adjustment mechanism of a pole saw, comprising:
the positioning piece is an arc-shaped piece, is fixed on the machine head and is opposite to the saw chain, and is provided with a plurality of positioning holes;
the positioning pin sleeve is positioned at the bottom of the machine head connecting mechanism and is opposite to an output shaft on the machine head connecting mechanism, and the output shaft is directly inserted on the machine head and can rotate around the machine head;
the locating pin, locating pin one end is the toper, and the other end is the hexagonal fixed part, be equipped with the snap ring groove on its position that is close to the toper portion of locating pin, cup jointed retaining bolt, pressure spring and gasket on the locating pin in proper order, the gasket outside is equipped with the jump ring of card at the snap ring inslot simultaneously, and the jump ring comes to carry on spacingly to the pressure spring with retaining bolt's cooperation, locating pin toper side passes locating pin cover plug-in one of them locating hole, and retaining bolt and locating pin cover's centre bore spiro union simultaneously.
2. The angle adjusting mechanism of the pole pruning saw as claimed in claim 1, wherein the angle adjusting mechanism further comprises a pull handle, the pull handle is used for inserting the support rod, the support rod is inserted into the connecting mechanism of the machine head through the pull handle, the pull handle can move back and forth along the support rod, a positioning pin fixing portion is further arranged at the bottom of the pull handle, the positioning pin penetrates through the retaining bolt after penetrating through the positioning pin fixing portion, and the pull handle can drive the hexagonal fixing portion to move together when moving along the support rod to the side away from the connecting mechanism of the machine head.
3. The angle adjustment mechanism of a pole saw as claimed in claim 2, wherein the fixing portion of the positioning pin is provided with an unlocking mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739523.2U CN210987178U (en) | 2019-10-17 | 2019-10-17 | Angle adjusting mechanism of pole pruning saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739523.2U CN210987178U (en) | 2019-10-17 | 2019-10-17 | Angle adjusting mechanism of pole pruning saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210987178U true CN210987178U (en) | 2020-07-14 |
Family
ID=71495894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921739523.2U Active CN210987178U (en) | 2019-10-17 | 2019-10-17 | Angle adjusting mechanism of pole pruning saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210987178U (en) |
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2019
- 2019-10-17 CN CN201921739523.2U patent/CN210987178U/en active Active
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