CN210900471U - High branch scissors - Google Patents
High branch scissors Download PDFInfo
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- CN210900471U CN210900471U CN201921773204.3U CN201921773204U CN210900471U CN 210900471 U CN210900471 U CN 210900471U CN 201921773204 U CN201921773204 U CN 201921773204U CN 210900471 U CN210900471 U CN 210900471U
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- nut
- scissors
- dustproof cover
- shell
- handle
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Abstract
The utility model provides a tree pruner. The high branch scissors comprise a scissors device, a shell, a driving device, a handle, a machine head connecting mechanism, an antifriction sheet, a switch button and a dustproof cover, wherein the shell is hollow and is provided with a clamping groove, one end of the antifriction sheet is provided with a through hole and is arranged between a connecting rod and a bearing of the driving device, meanwhile, the through hole of the antifriction sheet is sleeved on the driving gear shaft, the other end of the antifriction sheet is clamped in the clamping groove, the handle is arranged above the shell, the switch button is arranged at the vertical side of the handle to be convenient for pushing by a thumb, the tail end of the output gear fixing shaft of the machine head connecting mechanism is provided with a nut, one side of the nut is provided with a scissor-shaped bolt, the scissors-shaped bolt extends out of the nut, the interior of the dustproof cover is a hexagonal cavity, the side wall of the bottom of the hexagonal cavity is provided with a circle of annular groove, the dustproof cover is sleeved outside the nut of the output gear fixed shaft, and the scissors-shaped bolt at the tail end of the output gear fixing shaft is clamped in the annular groove on the side wall of the bottom of the dustproof cover. After adopting above-mentioned structure, long service life, convenient operation are cut to the averruncator.
Description
Technical Field
The utility model relates to a tree pruner.
Background
The existing high branch scissors generally comprise a scissors device, a machine head, a handle, a machine head connecting mechanism and a power mechanism, wherein the scissors device comprises a knife rest and two blades, the machine head comprises a casing and a driving device, the driving device comprises a driving gear, a driving gear shaft, a cam, a connecting rod, bearings and a transmission gear, the scissors device is fixed at the front end of the casing, the handle is connected above the rear end of the casing, the machine head connecting mechanism is connected below the rear end of the casing, the driving device is arranged in the casing, the two bearings of the driving device are respectively fixed at the two sides in the casing, the driving gear is fixed at the middle part of the driving gear shaft, the two ends of the driving gear shaft are respectively connected on the bearings at the two sides in the casing, the two sides of the driving gear are respectively fixed with a cam, and the two cams are respectively sleeved with a connecting rod, the other ends of the two connecting rods are respectively connected with the two blades of the scissors device, the transmission gear is fixed on the shell behind the driving gear through a bearing, one end of the transmission gear is meshed with the driving gear, the other end of the transmission gear is meshed with the output gear of the machine head connecting mechanism, the power mechanism drives the output gear of the machine head connecting mechanism to rotate, the output gear drives the transmission gear of the machine head driving device to rotate, then the transmission gear drives the driving gear to rotate, and then the cams on the two sides of the driving gear and the connecting rods drive the two blades of the scissors device to move back and forth to trim branches, the connecting rods of the existing high branch scissors and the cams are abutted against the bearing at the end part of the shaft of the driving gear, so that the connecting rods sleeved outside the cams are prevented from shaking or being separated from the cams, high-speed friction is generated among the, influence the life of averruncator, secondly, the shift knob of this kind of averruncator is established in the below of handle now, and the handle below is equipped with aircraft nose coupling mechanism, its space is narrow and small, the switch is hardly controlled, and need press shift knob through four fingers again when four fingers hold the handle, it is very inconvenient to operate, there is again, the output gear fixed axle one end of the aircraft nose coupling mechanism of present averruncator is fixed through nut and a scissors shape bolt, and nut and bolt after fixing all expose outside aircraft nose coupling mechanism's connection casing, not only make in debris and the dust gets into aircraft nose coupling mechanism easily like this, influence the life of averruncator, also make the nut rust and damage easily, and unable dismantlement maintenance, so now need a long service life, convenient operation's averruncator.
SUMMERY OF THE UTILITY MODEL
In view of the existing defects of the existing tree pruners, the utility model aims to solve the technical problem that: provides the high branch scissors with long service life and convenient operation.
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: a high branch shear comprising: a scissor device, a shell, a driving device, a handle, a machine head connecting mechanism, an antifriction sheet, a switch button and a dustproof cover,
the interior of the shell is hollow, a clamping groove is arranged in the shell,
one end of the antifriction sheet is provided with a through hole, the antifriction sheet is arranged between the connecting rod and the bearing of the driving device, the through hole at one end of the antifriction sheet is sleeved on the driving gear shaft of the driving device, the other end of the antifriction sheet is clamped in the clamping groove of the shell,
the handle is arranged above the machine shell,
the switch button is arranged on the vertical side of the handle to be pushed by the thumb,
a nut is arranged at the tail end of an output gear fixing shaft of the machine head connecting mechanism, a scissors-shaped bolt is arranged at one side of the nut, the scissors-shaped bolt extends out of the nut,
the dustproof cover is a soft rubber cover, a hexagonal cavity is formed in the dustproof cover, a circle of annular groove is formed in the side wall of the bottom of the hexagonal cavity, the dustproof cover is sleeved outside a nut of the output gear fixing shaft, and a scissors-shaped bolt at the tail end of the output gear fixing shaft is clamped in the annular groove in the side wall of the bottom of the dustproof cover.
This averruncator prevents through having increased antifriction piece that connecting rod and cam direct friction bearing from making the bearing damage, increases the life of averruncator, and the thumb that is convenient for is promoted button switch setting in the vertical side of handle simultaneously, can prevent effectively through the design of shield that debris and dust from getting into aircraft nose coupling mechanism, can protect the nut again and be difficult for rustting, is favorable to prolonging the life of averruncator.
Further, the antifriction sheet is a rectangular manganese steel sheet.
Compared with the prior art, the utility model has the advantages of: long service life and convenient operation.
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 high branch shear of the present invention.
Description of reference numerals: 1. a housing; 2. a bearing; 3. a card slot; 4. a drive gear; 5. a scissor arrangement; 6. a connecting rod; 7. friction reducing sheets; 8. a cam; 9. a through hole; 10. a drive gear shaft; 11. a machine head connecting mechanism; 12. an output gear; 13. a handle; 14. a switch button; 15. and a dust cover.
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 present embodiment provides a pair of hedge clippers, which includes a housing 1, a scissors device 5, a driving device, a handle 13, a nose connecting mechanism 11, an anti-friction plate 7, a switch button 14 and a dust cover 15, wherein the anti-friction plate 7 is a rectangular manganese steel plate, and has a through hole 9 formed on the right side thereof, the housing 1 is hollow, and has a card fixed on the left side thereof, a slot 3 is formed on the card, the anti-friction plate 7 is disposed between a connecting rod 6 and a bearing 2 of the driving device, the through hole 9 of the anti-friction plate 7 is sleeved on a driving gear shaft 10 of the driving device, the other end is clamped in the slot 3 of the housing 1, the handle 13 is fixed above the right end of the housing 1, the switch button 14 is disposed on the front side of the handle 13, a nut is disposed at the end of a fixing shaft of an output gear 12 of the nose connecting mechanism 11, a scissors-, the dust cover 15 is a soft rubber cover, a hexagonal cavity is formed in the dust cover, a circle of annular groove is formed in the side wall of the bottom of the hexagonal cavity, meanwhile, the dust cover 15 is sleeved outside a nut of a fixed shaft of the output gear 12, and a scissors-shaped bolt at the tail end of the fixed shaft of the output gear 12 is clamped in the annular groove in the side wall of the bottom of the dust cover 15.
The high branch shears provided by the embodiment arranges the antifriction sheet made of manganese steel between the connecting rod and the bearing of the driving device of the existing high branch shears to prevent the connecting rod and the cam from directly rubbing the bearing, the bearing is damaged, the service life of the high branch shears is prolonged, meanwhile, the button switch is arranged at the front side of the handle, an operator can press the switch button by thumb after gripping the handle of the high branch shears, the operation is convenient, and a dustproof cover is sleeved outside the nut of the output gear fixing shaft of the machine head connecting mechanism and is made of soft rubber, the direct pressing cover is clamped in the annular groove on the side wall of the bottom of the dustproof cover through the scissors-shaped bolt after being outside the nut, so that the dustproof cover is prevented from falling off, the dustproof cover can be disassembled only by directly pulling out the dustproof cover, therefore, sundries and dust can be effectively prevented from entering the machine head connecting mechanism, the nut can be protected from rusting, and the service life of the high branch scissors can be prolonged.
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 (2)
1. A high branch shear, comprising: a scissor device, a shell, a driving device, a handle, a machine head connecting mechanism, an antifriction sheet, a switch button and a dustproof cover,
the interior of the shell is hollow, a clamping groove is arranged in the shell,
one end of the antifriction sheet is provided with a through hole, the antifriction sheet is arranged between the connecting rod and the bearing of the driving device, the through hole at one end of the antifriction sheet is sleeved on the driving gear shaft of the driving device, the other end of the antifriction sheet is clamped in the clamping groove of the shell,
the handle is arranged above the machine shell,
the switch button is arranged on the vertical side of the handle to be pushed by the thumb,
a nut is arranged at the tail end of an output gear fixing shaft of the machine head connecting mechanism, a scissors-shaped bolt is arranged at one side of the nut, the scissors-shaped bolt extends out of the nut,
the dustproof cover is a soft rubber cover, a hexagonal cavity is formed in the dustproof cover, a circle of annular groove is formed in the side wall of the bottom of the hexagonal cavity, the dustproof cover is sleeved outside a nut of the output gear fixing shaft, and a scissors-shaped bolt at the tail end of the output gear fixing shaft is clamped in the annular groove in the side wall of the bottom of the dustproof cover.
2. The secateur of claim 1 wherein the friction reducing plate is a rectangular sheet of manganese steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773204.3U CN210900471U (en) | 2019-10-23 | 2019-10-23 | High branch scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773204.3U CN210900471U (en) | 2019-10-23 | 2019-10-23 | High branch scissors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210900471U true CN210900471U (en) | 2020-07-03 |
Family
ID=71358752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921773204.3U Active CN210900471U (en) | 2019-10-23 | 2019-10-23 | High branch scissors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210900471U (en) |
-
2019
- 2019-10-23 CN CN201921773204.3U patent/CN210900471U/en active Active
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