Garden tree pruning device

Abstract

The utility model discloses a garden tree pruning device, which belongs to the technical field of garden instruments and comprises a handle rod, an extension rod is connected in the handle rod in a drawing manner, a pruning cutter head is mounted at one end of the extension rod, and a first sleeve for limiting the extension rod is fixed at one end of the handle rod. Two first concave blocks parallel to the trimming cutter head are symmetrically fixed to the circumferential surface of the first sleeve, vertical plates are rotationally connected to the interiors of the first concave blocks through first rotating shafts, the vertical plates are fixed through first fixing pins when in a vertical state, and an auxiliary rod is rotationally connected to one end of each vertical plate; the device is novel in structure, the auxiliary rod can be limited in the vertical direction through the second sleeve and the fastening screw which are arranged in the middle of the extension rod in a sliding and sleeving mode, meanwhile, the arranged auxiliary rod also supports the middle of the extension rod to a certain degree, and the auxiliary rod is not prone to falling off. And the overall use stability after the extension rod extends out is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pruning device, concretely is a garden tree pruning device. BACKGROUND

[0002] The garden greening is the process creation of the natural environment and the play area that the engineering technology and the artistic means are used in certain area to the topography, the planted flowers and plants trees, the building and the layout garden road, namely can become the garden, the greening in the garden is mainly the flowers and plants trees and the planted melon and fruit vegetables, the flowers and plants trees need to carry out certain pruning to the branch in the planting stage to guarantee the survival rate and the aesthetic property of the trees, so that guarantee the trees can present the effect that people want and the health of the trees.

[0003] The existing garden tree pruning device will set up the handle rod into the structure that can be extracted and extended for the convenience of pruning the garden trees at the far and near positions, lock when the extension rod is at the far end and the near end, but the existing structure, when the extension rod is stretched out, the sleeve that slightly stretches out through the end part is used to assist the fixing of the extension rod, but the fixing effect of the end part of the extension rod is not good, and the extension rod is easy to shake, which is not conducive to the garden tree pruning use. UTILITY MODEL CONTENT

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a garden tree pruning device, which effectively solves the problem that the existing structure, when the extension rod is stretched out, the sleeve that slightly stretches out through the end part is used to assist the fixing of the extension rod, but the fixing effect of the end part of the extension rod is not good, and the extension rod is easy to shake, which is not conducive to the garden tree pruning use.

[0005] To achieve the above object, the utility model provides the following technical scheme: the utility model discloses a handle rod, the extension rod is connected in the handle rod and is extracted, the extension rod one end is installed with the pruning cutter head, one end of handle rod is fixed with the first sleeve that is limited to the extension rod, the circumferential surface of first sleeve is fixed with two first concave blocks that are parallel to the pruning cutter head, the inside of first concave block is rotatably connected with the vertical plate through the first pivot, when the vertical plate is in the vertical state, it is fixed through the first fixed pin, one end of vertical plate is rotatably connected with the auxiliary rod, the other end of auxiliary rod is detachably connected with the end part of extension rod, the middle part of extension rod is slidably sleeved with the second sleeve, and the second sleeve is rotatably connected with the auxiliary rod through the fastening screw, and the threaded hole that is penetrated is formed in second sleeve and auxiliary rod all and sets up;

[0006] When the vertical plate is turned to vertical under the cooperation of the first pivot, it is fixed by the first fixed pin, the auxiliary rod is turned to be connected with the end part of the extension rod, the vertical plate, the auxiliary rod and the extension rod form a triangular support connection, the fastening screw is screwed into the threaded hole of the auxiliary rod and the second sleeve until abutting on the extension rod, and the fastening screw cooperates with the auxiliary rod to fix the middle part of the extension rod.

[0007] Preferably, a plurality of threaded holes are formed in the auxiliary rod, and when the second sleeve moves, the fastening screw is screwed in the different threaded holes to fix different positions of the extension rod.

[0008] Preferably, a third sleeve is arranged at the connection position of the auxiliary rod and the extension rod, and the outer diameter of the third sleeve is smaller than the outer diameter of the first sleeve.

[0009] Preferably, a groove is formed in the handle rod corresponding to the position of the auxiliary rod.

[0010] Preferably, one end of the vertical plate is connected with one end of the auxiliary rod through a second rotating shaft.

[0011] Preferably, a second concave block is symmetrically arranged on the circumferential surface of the third sleeve, the second concave block is arranged on the same line with the first concave block, the inside of the second concave block is fixedly connected with the other end of the auxiliary rod through a second fixing pin, and a through hole is formed in the second concave block and the auxiliary rod corresponding to the position of the second fixing pin.

[0012] Preferably, an axle hole is formed in the vertical plate corresponding to the position of the first rotating shaft, and a pin hole is formed in the first concave block and the vertical plate corresponding to the position of the first fixing pin.

[0013] Beneficial effects: 1. The vertical plate is turned to the vertical direction under the cooperation of the first rotating shaft, and is fixed in the first concave block through the first fixing pin. The auxiliary rod is turned to the inclined direction and is connected with the end of the extension rod. The vertical plate, the auxiliary rod and the extension rod form a triangular support connection, thereby improving the stability of the extension rod during use.

[0014] 2. The second sleeve is sleeved on the middle part of the extension rod in a sliding mode. The fastening screw is screwed between the second sleeve and the auxiliary rod. Threaded holes are formed in the second sleeve and the auxiliary rod. The fastening screw is screwed in the threaded holes of the extension rod and the second sleeve. The fastening screw can limit the vertical direction of the auxiliary rod. Meanwhile, the auxiliary rod also supports the middle part of the extension rod, thereby improving the overall stability of the extension rod during use. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principle of the present application, and do not constitute a limitation on the present application. In the drawings:

[0016] Figure 1 is a schematic diagram of the overall three-dimensional structure of the present application;

[0017] Figure 2 is a schematic diagram of the overall three-dimensional structure of the present application Figure 1 is a schematic diagram of the overall three-dimensional structure of the present application

[0018] Figure 3 is the utility model Figure 1 amplification structure schematic view of B in the utility model

[0019] Figure 4 is the utility model vertical plate three-dimensional structure schematic view

[0020] Figure 5 is the utility model screw hole opening structure schematic view

[0021] In the drawing: 1, handle rod;2, extension rod;21, third sleeve;22, second concave block;23, second fixed pin;3, pruning head;4, first sleeve;41, auxiliary rod;410, second sleeve;411, fastening screw;412, threaded hole;42, first concave block;43, first rotating shaft;44, first fixed pin;45, vertical plate;46, second rotating shaft;5, groove body. DETAILED DESCRIPTION

[0022] The following will be combined with the Figures 1-5 The specific embodiments of the utility model are further described in detail.

[0023] Embodiment, by Figures 1-5 The utility model provides a kind of garden tree pruning device, including handle rod 1, the setting of handle rod 1 is convenient for user to hold when carrying out garden pruning, extension rod 2 is connected in handle rod 1 by pulling, the purpose of extending handle rod 1 is achieved by pulling in handle rod 2, to make that pruning head 3 can prune garden trees at more distant position, pruning head 3 is installed at one end of extension rod 2, garden trees are pruned by pruning head 3, motor for driving is installed in pruning head 3, one end of handle rod 1 is fixed with the first sleeve 4 for the limiting of extension rod 2, the circumferential surface of first sleeve 4 is fixed with two first concave blocks 42 parallel with pruning head 3, vertical plate 45 is rotatably connected in the inside of first concave block 42 by first rotating shaft 43, the stability of auxiliary rod 41 is improved by the vertical plate 45 of setting, vertical plate 45 is fixed when being in vertical state by first fixed pin 44, one end of vertical plate 45 is rotatably connected with auxiliary rod 41, auxiliary rod 41 is set to assist support extension rod 2, the other end of auxiliary rod 41 is detachably connected with the end of extension rod 2, by detachable connection mode, it is convenient to disassemble and store extension rod 2;

[0024] When installing, such as Figure 1 And Figure 2As shown, the vertical plate 45 is rotated to the vertical direction under the cooperation of the first rotating shaft 43, and is fixed vertically in the first concave block 42 through the first fixing pin 44. The auxiliary rod 41 is rotated to the inclined direction and is connected with the end of the extension rod 2. The vertical plate 45, the auxiliary rod 41 and the extension rod 2 form a triangular support connection, thereby improving the stability of the extension rod 2 during use.

[0025] As shown in the drawings, Figure 1 A second sleeve 410 is sleeved on the middle part of the extension rod 2. The second sleeve 410 is screwed with the auxiliary rod 41 through a fastening screw 411. Threaded holes 412 are formed in the second sleeve 410 and the auxiliary rod 41. The fastening screw 411 is screwed in the threaded holes 412 of the extension rod 2 and the second sleeve 410, thereby limiting the auxiliary rod 41. Meanwhile, the auxiliary rod 41 also supports the middle part of the extension rod 2, thereby improving the overall stability of the extension rod 2 during use.

[0026] In one preferred embodiment of the present embodiment, as shown in the drawings, Figure 1 and Figure 5 A plurality of threaded holes 412 are formed in the auxiliary rod 41. When the second sleeve 410 moves, the fastening screw 411 is screwed in different threaded holes 412, thereby fixing the extension rod 2 at different positions. This is convenient for adjustment according to the use requirement and has high applicability.

[0027] In another preferred embodiment of the present embodiment, a third sleeve 21 is arranged at the connection position of the auxiliary rod 41 and the extension rod 2. The outer diameter of the third sleeve 21 is smaller than that of the first sleeve 4. The small-area connection of the auxiliary rod 41 and the extension rod 2 is changed into the large-area connection of the third sleeve 21 and the extension rod 2, thereby improving the connection stability.

[0028] In one preferred detachable connection mode of the auxiliary rod 41 of the present embodiment, as shown in the drawings, Figure 3 Two second concave blocks 22 are fixed symmetrically on the circumferential surface of the third sleeve 21. The second concave blocks 22 are on the same straight line as the first concave blocks 42. The second concave blocks 22 are detachably connected with second round rods 24 through second fixing pins 23. The second fixing pins 23 are fixed pins with through holes at the end portions. The second round rods 24 are fixed with the end portions of the auxiliary rod 41. The second concave blocks 22 and the second round rods 24 are provided with pin holes corresponding to the positions of the second fixing pins 23. Through the cooperation of the second fixing pins 23 and the pin holes, the end portion of the auxiliary rod 41 is detachably connected with the extension rod 2.

[0029] When the auxiliary rod 41 is stored, as shown in the drawings, Figure 1As shown, the second recessed block 22 is removed from the second recessed block 22, the first fixing pin 44 on the first recessed block 42, the vertical plate 45 is turned to be attached to the handle rod 1, and the auxiliary rod 41 is turned into the groove body 5 under the cooperation of the second rotating shaft 46, so that the vertical plate 45 and the auxiliary rod 41 can be stored.

[0030] As shown in Figure 2 and Figure 4 The shaft hole 47 is formed at the position corresponding to the first rotating shaft 43 of the vertical plate 45, and the pin hole 48 is formed at the position corresponding to the first fixing pin 44 of the first recessed block 42 and the vertical plate 45, so as to facilitate the rotating connection of the vertical plate 45 and the fixing when the vertical plate 45 is turned to the vertical state.

[0031] Through the person skilled in the art, all electrical components in the case are connected to the power supply through the wire, and the appropriate controller and encoder should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should be referred to the working principle of the above-mentioned working principle, the working sequence of each electrical component is completed, and the detailed connection means is the public technical knowledge in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0032] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the present application, and does not limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A garden tree pruning device, comprising a handle (1), an extension rod (2) which is pulled out and connected inside the handle (1), a pruning shear head (3) installed at one end of the extension rod (2), and a first sleeve (4) for limiting the extension rod (2) fixed at one end of the handle (1), characterized in that: Two first concave blocks (42) parallel to the trimmer head (3) are symmetrically fixed on the circumferential surface of the first sleeve (4). A vertical plate (45) is rotatably connected inside the first concave block (42) through a first rotating shaft (43). When the vertical plate (45) is in a vertical state, it is fixed by a first fixing pin (44). An auxiliary rod (41) is rotatably connected to one end of the vertical plate (45). The other end of the auxiliary rod (41) is detachably connected to the end of the extension rod (2). A second sleeve (410) is slidably sleeved in the middle of the extension rod (2). A fastening screw (411) is screwed between the second sleeve (410) and the auxiliary rod (41). A through threaded hole (412) is opened on both the second sleeve (410) and the auxiliary rod (41). When the vertical plate (45) rotates to a vertical position with the cooperation of the first rotating shaft (43), it is fixed by the first fixing pin (44). The auxiliary rod (41) rotates to connect with the end of the extension rod (2). The vertical plate (45), the auxiliary rod (41) and the extension rod (2) form a triangular support connection. The fastening screw (411) is screwed into the threaded hole (412) of the auxiliary rod (41) and the second sleeve (410) until it abuts against the extension rod (2). The fastening screw (411) cooperates with the auxiliary rod (41) to fix the middle part of the extension rod (2).

2. The garden tree pruning device as described in claim 1, characterized in that: The auxiliary rod (41) has several threaded holes (412). When the second sleeve (410) moves, the fastening screw (411) is screwed into different threaded holes (412) to fix the extension rod (2) at different positions.

3. A garden tree pruning device as described in claim 2, characterized in that: A third sleeve (21) is provided at the connection between the auxiliary rod (41) and the extension rod (2), and the outer diameter of the third sleeve (21) is smaller than the outer diameter of the first sleeve (4).

4. A garden tree pruning device as described in claim 3, characterized in that: The handle (1) has a slot (5) for storing the auxiliary rod (41) at the position corresponding to the handle (1).

5. A garden tree pruning device as described in claim 4, characterized in that: One end of the vertical plate (45) is connected to one end of the auxiliary rod (41) via a second pivot (46).

6. A garden tree pruning device as described in claim 5, characterized in that: The third sleeve (21) has a second concave block (22) symmetrically arranged on its circumferential surface. The second concave block (22) and the first concave block (42) are on the same straight line. The interior of the second concave block (22) is fixedly connected to the other end of the auxiliary rod (41) through the second fixing pin (23). The second concave block (22) and the auxiliary rod (41) have through holes at the positions corresponding to the second fixing pin (23).

7. A garden tree pruning device as described in claim 6, characterized in that: The vertical plate (45) has a shaft hole (47) at the position corresponding to the first rotating shaft (43), and the first concave block (42) and the vertical plate (45) have pin holes (48) at the positions corresponding to the first fixing pin (44).

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