CN206866113U - A kind of Labour-saving tree pruner - Google Patents
A kind of Labour-saving tree pruner Download PDFInfo
- Publication number
- CN206866113U CN206866113U CN201720601335.8U CN201720601335U CN206866113U CN 206866113 U CN206866113 U CN 206866113U CN 201720601335 U CN201720601335 U CN 201720601335U CN 206866113 U CN206866113 U CN 206866113U
- Authority
- CN
- China
- Prior art keywords
- support arm
- labour
- connecting rod
- tree pruner
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of Labour-saving tree pruner, including support arm, swing arm, back-moving spring, drawstring, the support arm leading portion is provided with blade, the swing arm is hinged on support arm, the rod hinge connection is in one end of swing arm, the swing arm other end is moving knife, the cutting edge of the moving knife is relative with blade, the interlinking lever end is provided with first pulley frame, the support arm is provided with second pulley frame, and described back-moving spring one end is connected on connecting rod, and the other end is connected on support arm, the contact surface of the support arm and connecting rod is continuous cambered surface, and the support arm bottom is provided with handle.The utility model is directed to a kind of Labour-saving tree pruner, laborsaving when making trimming, can cut thicker branch, and it is simple in construction, cost is cheap.
Description
Technical field
The utility model belongs to gardens pruning machinery field, more particularly, to a kind of Labour-saving tree pruner.
Background technology
Averruncator is common gardens gardening pruning tool, is mainly used in the high-altitudes such as ornamental plantation trees, fruit tree or flowers
Work is built in the shaping of branch, is generally used for cutting the branch of disease.Averruncator of the prior art pulls in trimming
Rope is, it is necessary to which very big power, drawstring easily disconnect, it is impossible to the thicker branch of trimming.
The content of the invention
In view of this, the utility model is directed to a kind of Labour-saving tree pruner, laborsaving when making trimming, can cut thicker
Branch, and it is simple in construction, cost is cheap.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of Labour-saving tree pruner, including support arm, swing arm, back-moving spring, drawstring, the support arm leading portion is provided with blade, described
Swing arm is hinged on support arm, and the rod hinge connection is in one end of swing arm, and the swing arm other end is moving knife, the cutting edge of the moving knife
Relative with blade, the interlinking lever end is provided with first pulley frame, and the support arm is provided with second pulley frame, the back-moving spring one
End is connected on connecting rod, and the other end is connected on support arm, and the contact surface of the support arm and connecting rod is continuous cambered surface, the support arm bottom
Portion is provided with handle, and described drawstring one end is fixed on support arm, and the other end is first around first pulley frame further around second pulley frame excessively.
Further, the connecting rod and branch arm contact one end are semicircle shape breach, and the contact surface of the support arm and connecting rod is
Arc-shaped projection.
Further, two pulleys side by side are rotatablely connected on the first pulley frame, are rotated on the second pulley frame
Connect a pulley.
Further, curved bend saw is connected with the support arm.
Further, the curved saw is provided with sawtooth, and the sawtooth is located at homonymy with blade.
Further, the cutting edge of the blade is arc groove.
Further, the back-moving spring is extension spring.
Further, the handle is telescopic handle.
Relative to prior art, a kind of Labour-saving tree pruner described in the utility model has the advantage that：
A kind of Labour-saving tree pruner described in the utility model is simple in construction, and maintenance easy to disassemble, cost is cheap, utilizes pulley
Group and the change of connecting rod swing central bearing point position, cleverly reach more labour-saving purpose with lever principle.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation described in the utility model embodiment.
Description of reference numerals：
1- support arms；2- projections；3- moving knife；4- blades；The curved saws of 5-；6- back-moving springs；7- swing arms；8- connecting rods；9- first is slided
Wheel carrier；10- drawstrings；11- breach；12- second pulley framves.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer "
Based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying description, without referring to
Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that referring to
Show or imply relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " second " are defined
Deng feature can express or implicitly include one or more this feature.In description of the present utility model, unless
It is otherwise noted, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of Labour-saving tree pruner, including support arm 1, swing arm 7, back-moving spring 6, drawstring 10, the leading portion of support arm 1 are provided with blade
4, the cutting edge of the blade 4 is arc groove, and the swing arm 7 is hinged on support arm 1, and the connecting rod 8 is hinged on the one of swing arm 7
End, the other end of swing arm 7 are moving knife 3, and the cutting edge of the moving knife 3 is relative with blade 4, and the end of connecting rod 8 is provided with first and slided
Wheel carrier 9, the support arm 1 are provided with second pulley frame 12, and described one end of back-moving spring 6 is connected on connecting rod 8, and the other end is connected to
On support arm 1, the back-moving spring 6 is extension spring, and the contact surface of the support arm 1 and connecting rod 8 is continuous cambered surface, the bottom of support arm 1
Provided with handle, the handle is telescopic handle, and described one end of drawstring 10 is fixed on support arm 1, and the other end first bypasses first
Pulley yoke 9 is rotatablely connected two pulleys side by side, described second slides further around second pulley frame 12 is crossed on the first pulley frame 9
A pulley is rotatablely connected on wheel carrier 12.It is semicircle shape breach 11 that the connecting rod 8, which contacts one end with support arm 1, the support arm 1 with
The contact surface of connecting rod 8 is arc-shaped projection 2.Curved bend saw 5 is connected with the support arm 1, the curved saw 5 is provided with sawtooth, institute
State sawtooth and be located at homonymy with blade 4.
As shown in figure 1, a kind of Labour-saving tree pruner described in the utility model pulls drawstring 12, the up time of connecting rod 8 when in use
Pin is swung, and due to the presence of projection 2 and breach 11, fulcrum constantly changes during connecting rod 8 is swung, and makes power arm and resistance
The ratio increase of arm, required pulling force reduce, and reach labour-saving purpose, and connecting rod 8 drives swing arm 7 to rotate clockwise, and branch is in blade 4
Cut with the shear action of moving knife 3, unclamp drawstring 12 after cutting branch, connecting rod 12 and swing arm 7 return origin-location.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (8)
- A kind of 1. Labour-saving tree pruner, it is characterised in that：It is described including support arm (1), swing arm (7), back-moving spring (6), drawstring (10) Support arm (1) leading portion is provided with blade (4), and the swing arm (7) is hinged on support arm (1), and the connecting rod (8) is hinged on swing arm (7) One end, swing arm (7) other end are moving knife (3), and the cutting edge of the moving knife (3) with blade (4) relatively, hold by the connecting rod (8) Portion is provided with first pulley frame (9), and the support arm (1) is provided with second pulley frame (12), and described back-moving spring (6) one end is connected to On connecting rod (8), the other end is connected on support arm (1), and the contact surface of the support arm (1) and connecting rod (8) is continuous cambered surface, the branch Arm (1) bottom is provided with handle, and described drawstring (10) one end is fixed on support arm (1), and the other end first bypasses first pulley frame (9) again Around second pulley frame (12).
- A kind of 2. Labour-saving tree pruner according to claim 1, it is characterised in that：The connecting rod (8) contacts one with support arm (1) Hold as semicircle shape breach (11), the support arm (1) and the contact surface of connecting rod (8) are arc-shaped projection (2).
- A kind of 3. Labour-saving tree pruner according to claim 1, it is characterised in that：The company of rotation on the first pulley frame (9) Two pulleys side by side are connect, a pulley is rotatablely connected on the second pulley frame (12).
- A kind of 4. Labour-saving tree pruner according to claim 1, it is characterised in that：Curved bend is connected with the support arm (1) Saw (5).
- A kind of 5. Labour-saving tree pruner according to claim 1, it is characterised in that：The curved saw (5) is provided with sawtooth, described Sawtooth is located at homonymy with blade (4).
- A kind of 6. Labour-saving tree pruner according to claim 1, it is characterised in that：The cutting edge of the blade (4) is that arc is recessed Groove.
- A kind of 7. Labour-saving tree pruner according to claim 1, it is characterised in that：The back-moving spring (6) is extension spring.
- A kind of 8. Labour-saving tree pruner according to claim 1, it is characterised in that：The handle is telescopic handle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601335.8U CN206866113U (en) | 2017-05-26 | 2017-05-26 | A kind of Labour-saving tree pruner |
| TW107206356U TWM569547U (en) | 2017-05-26 | 2018-05-16 | Labor-saving high-cut scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601335.8U CN206866113U (en) | 2017-05-26 | 2017-05-26 | A kind of Labour-saving tree pruner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206866113U true CN206866113U (en) | 2018-01-12 |
Family
ID=61337303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720601335.8U Active CN206866113U (en) | 2017-05-26 | 2017-05-26 | A kind of Labour-saving tree pruner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206866113U (en) |
| TW (1) | TWM569547U (en) |
-
2017
- 2017-05-26 CN CN201720601335.8U patent/CN206866113U/en active Active
-
2018
- 2018-05-16 TW TW107206356U patent/TWM569547U/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TWM569547U (en) | 2018-11-11 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |