CN216960853U

CN216960853U - Four-section pole structure of tree pruner

Info

Publication number: CN216960853U
Application number: CN202220865537.4U
Authority: CN
Inventors: 褚衍亮
Original assignee: Linyi Hongtong Hardware Tool Co ltd
Current assignee: Linyi Hongtong Hardware Tool Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-15
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a four-section pole structure of a high branch shear, which belongs to the field of pole structures of the high branch shear and solves the problem that the prior art lacks a four-section pole structure of the high branch shear, which has the advantages that the extension of each level of pole structure is not influenced mutually and is convenient to use. It mainly includes pull rod I, pull rod II, pull rod III and pull rod IV, pull rod I and pull rod II pass through the fixing base and connect, pull rod I slides and locates on the fixing base, pull rod II includes two direction pull rods, two direction pull rod one ends are equipped with second grade telescopic cylinder locating part, two direction pull rod other ends are connected with the fixing base, it is equipped with the direction slider to slide on the direction pull rod, be equipped with spring I on the direction pull rod, I one end of spring is fixed on the direction pull rod, the I other end of spring is connected with second grade telescopic cylinder locating part, be equipped with the connecting piece on the direction slider, pull rod III and direction dop are connected to the connecting piece, be equipped with direction dop spring card latch mechanism on the direction pull rod. The utility model is mainly used for the pull rod of the high branch scissors.

Description

Four-section pole structure of tree pruner

Technical Field

The utility model relates to a pole structure of a tree pruner, in particular to a four-section pole structure of the tree pruner.

Background

Tertiary pull rod is for drawing a section of thick bamboo among the pull rod structure of current four sections averruncators, is equipped with second grade pull rod and level four pull rod in drawing a section of thick bamboo, because the space in the tertiary pull rod is limited, this just causes the terminal locating part of second grade pull rod and level four pull rod to collide easily when the return, so the flexible section of thick bamboo of second grade and level four is difficult to the withdrawal after pulling out, need carry out the action of pulling out many times and withdrawing, makes two locating parts staggered position, and is very inconvenient during the use.

Disclosure of Invention

The utility model aims to provide a four-section pole shear pull rod structure, and solves the problem that the prior art lacks a four-section pole shear pull rod structure which has the advantages that the extension of each level of pull rod is not mutually influenced, and the use is convenient.

The utility model is realized by the following technical scheme:

the utility model provides a pull rod structure is cut to four sections branches of tall trees, including pull rod I, pull rod II, pull rod III and pull rod IV, pull rod I and pull rod II pass through the fixing base and connect, pull rod I slides and locates on the fixing base, pull rod II includes two direction pull rods, two direction pull rod one ends are equipped with second grade telescopic cylinder locating part, two direction pull rod other ends are connected with the fixing base, it is equipped with the direction slider to slide on the direction pull rod, be equipped with spring I on the direction pull rod, I one end of spring is fixed on the direction pull rod, the I other end of spring is connected with second grade telescopic cylinder locating part, be equipped with the connecting piece on the direction slider, pull rod III and direction dop are connected to the connecting piece, be equipped with direction dop spring latch mechanism on the direction pull rod, direction dop spring latch mechanism and direction dop cooperation, it is equipped with pull rod IV to slide in pull rod III, pull rod IV is connected with operating handle.

Further, direction dop spring catch mechanism include guide bar and the mount pad of being connected with the fixing base, the mount pad articulates through the round pin axle and has according to pressing knot and guide bar, is equipped with the torsional spring according to pressing between knot and the guide bar, is equipped with the snap ring according to pressing to detain, is equipped with the draw-in groove with snap ring matched with on the direction dop.

Furthermore, the guide chuck is provided with a guide port, the guide rod is provided with a conical head, and the conical head can extend into the guide port.

Furthermore, the direction dop on be equipped with the conical surface, the in-process that removes to the snap ring at the direction dop is pressed the knot through the conical surface perk, makes the snap ring card in the draw-in groove.

Further, the spring I is fixed on the guide pull rod through a fixing ring, a limiting piece is arranged at the tail end of the guide pull rod, and the limiting piece is used for limiting a secondary telescopic cylinder limiting piece.

Furthermore, threads are arranged at two ends of the connecting piece, and the connecting piece is in threaded connection with the pull rod III and the guide chuck.

Compared with the prior art, the utility model has the beneficial effects that:

1. the guide pull rod plays a role of a pull rod, the pull rod III is guided, and the pull rod IV is arranged in the pull rod III, so that pulling out and contraction of each level of pull rods are not influenced mutually, and the rod retracting efficiency is improved.

2. The use is more smooth and easy, and is convenient, very big improvement user experience.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic drawing I of the utility model after being pulled out;

FIG. 3 is a schematic drawing II of the utility model after being pulled out;

FIG. 4 is a schematic drawing of a portion of the utility model after being pulled out;

FIG. 5 is an enlarged view of the utility model at A;

FIG. 6 is an enlarged view of the utility model at B;

FIG. 7 is an enlarged view of the utility model at C;

FIG. 8 is an enlarged view of the utility model at D;

FIG. 9 is an enlarged view of the utility model at E;

FIG. 10 is an enlarged view of the utility model at F;

fig. 11 is a schematic view of the structure of the connector of the present invention.

In the figure: 1. a pull rod I; 2. a pull rod II; 3. a pull rod III; 4. a pull rod IV; 5. a guide bar; 6. pressing the button; 7. a snap ring; 8. a guide pull rod; 9. a guide chuck; 10. a guide slider; 11. a spring I; 12. a secondary telescopic cylinder limiting part; 13. a conical head; 14. a torsion spring; 15. a guide port; 16. a limiting sheet; 17. a fixing ring; 22. a fixed seat; 23. a three-stage telescopic cylinder limiting part; 24. a connecting member.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1-11, embodiment 1 discloses a four-stage pole pruner structure, which comprises a pull rod i 1, a pull rod ii 2, a pull rod iii 3 and a pull rod iv 4, wherein the pull rod i 1 and the pull rod ii 2 are connected through a fixed seat 22, the pull rod i 1 is slidably disposed on the fixed seat 22, the pull rod ii 2 comprises two guide pull rods 8, one end of each of the two guide pull rods 8 is provided with a secondary telescopic cylinder limiting member 12, the other end of each of the two guide pull rods 8 is connected with the fixed seat 22, a guide slider 10 is slidably disposed on each of the guide pull rods 8, a spring i 11 is disposed on each of the guide pull rods 8, one end of each spring i 11 is fixed on each of the guide pull rods 8, the other end of each spring i 11 is connected with the secondary telescopic cylinder limiting member 12, each of the guide sliders 10 is provided with a connecting member 24, the connecting member 24 connects the pull rod iii with a guide chuck 9, each of the guide pull rod 8 is provided with a guide chuck-latch mechanism, and the guide chuck mechanism is matched with the guide chuck mechanism 9, a pull rod IV 4 is arranged in the pull rod III 3 in a sliding mode, and the pull rod IV 4 is connected with an operating handle.

Embodiment 2, a four-section pole pruner pull rod structure, the guide chuck spring locking mechanism includes a guide rod 5 and a mounting seat connected with a fixed seat 22, the mounting seat is hinged with a pressing buckle 6 and the guide rod 5 through a pin shaft, a torsion spring 14 is arranged between the pressing buckle 6 and the guide rod 5, the pressing buckle 6 is provided with a snap ring 7, and the guide chuck 9 is provided with a clamping groove matched with the snap ring 7; the guide chuck 9 is provided with a guide opening 15, the guide rod 5 is provided with a conical head 13, and the conical head 13 can extend into the guide opening 15; the guide clamping head 9 is provided with a conical surface, and the pressing buckle 6 is pressed through the tilting of the conical surface in the process that the guide clamping head 9 moves towards the clamping ring 7, so that the clamping ring 7 is clamped in the clamping groove; the spring I11 is fixed on the guide pull rod 8 through a fixing ring 17, the tail end of the guide pull rod 8 is provided with a limiting piece 16, the limiting piece 16 is used for limiting the secondary telescopic cylinder limiting piece 12, and the mounting mode of the spring II is the same as that of the spring I11; threads are arranged at two ends of the connecting piece 24, the connecting piece 24 is in threaded connection with the pull rod III 3 and the guide chuck 9, and the rest is the same as that of the embodiment 1.

The end of the pull rod III 3 is provided with a clamping head similar to the structure of the guide clamping head 9, the clamping head is matched with a U-shaped clamping ring on the operating handle, the pull rod IV 4 is hinged to the operating handle through a pin head, the end of the pull rod III 3 is fixedly provided with a three-stage telescopic cylinder limiting part 23, the three-stage telescopic cylinder limiting part 23 is fixed at the rear end of the three-stage telescopic cylinder, a spring II is arranged between the pull rod III 3 and the three-stage telescopic cylinder limiting part 23, and the structure is an existing structure.

The pulling-out of the pull rod I1 is in the prior art, and a chuck at the tail end of the pull rod III 3 is matched with a U-shaped clamping ring of an operating handle to realize the shearing function of the 1-section high branch shears; when the pull rod II 2 needs to be pulled out, the tail end of the press buckle 6 is pressed to enable the clamping ring 7 to be disengaged from the clamping groove, the guide pull rod 8 can be pulled out forwards, meanwhile, the guide sliding block 10 and the pull rod III 3 move backwards along the guide pull rod 8, when the guide sliding block 10 touches the fixing ring 20, the maximum stroke is reached, the secondary telescopic cylinder limiting piece 12 is fixedly installed at the tail end of the secondary telescopic cylinder, a clamping head at the tail end of the pull rod III 3 is matched with the U-shaped clamping ring of the operating handle, the operating handle is pulled, the spring II and the spring I11 are compressed, meshing of the high-branch shears is realized, the operating handle is loosened, the spring II and the spring I11 reset, and the high-branch shears are loosened to reach the length of 3 segments; when the length of the pull rod IV 4 needs to be prolonged by 4, the U-shaped clamping ring of the operating handle and the chuck at the tail end of the pull rod III 3 are disengaged, the pull rod IV 4 is pulled out, the operating handle is pulled, the operating handle drives the pull rod IV 4 through the pin head, the pull rod III 3, the guide pull rod 8 and the pull rod I1 are further pulled, the spring II and the spring I11 are compressed, the occlusion of the high branch shears is realized, the operating handle is loosened, the spring II and the spring I11 reset, and the high branch shears are loosened.

When the pull rods need to be retracted, the retraction is performed in reverse to the pulling-out action. In the process of resetting the guide chuck 9, the guide sliding block 10 and the pull rod III 3, the conical surface on the guide chuck 9 can tilt the press buckle 6 when contacting the front end of the press buckle 6, and the clamping groove is clamped by the compliant clamping ring 7. The conical head 13 can enter the guide port 15, and the conical head 13 is matched with the guide port 15 to play a role in guiding, so that the clamping ring 7 is smoothly buckled with the clamping groove.

Claims

1. The utility model provides a pull rod structure is cut to four sections branches of tall trees, includes pull rod I (1), pull rod II (2), pull rod III (3) and pull rod IV (4), and its characterized in that is connected through fixing base (22) in pull rod I (1) and pull rod II (2): pull rod II (2) are including direction pull rod (8), direction pull rod (8) one end is equipped with second grade telescopic tube locating part (12), direction pull rod (8) other end is connected with fixing base (22), it is equipped with direction slider (10) to slide on direction pull rod (8), be equipped with spring I (11) on direction pull rod (8), spring I (11) one end is fixed on direction pull rod (8), the spring I (11) other end is connected with second grade telescopic tube locating part (12), be equipped with connecting piece (24) on direction slider (10), pull rod III (3) and direction dop (9) are connected in connecting piece (24), be equipped with direction dop spring catch mechanism on direction pull rod (8), direction dop spring catch mechanism and direction dop (9) cooperation, it is equipped with pull rod IV (4) to slide in pull rod III (3), pull rod IV (4) are connected with operating handle.

2. The four-stage averruncator drawbar structure of claim 1, characterized in that: guide chuck spring kayser mechanism include guide bar (5) and the mount pad of being connected with fixing base (22), the mount pad has through the round pin axle articulated to press to detain (6) and guide bar (5), is equipped with torsional spring (14) between pressing to detain (6) and guide bar (5), is equipped with snap ring (7) on pressing to detain (6), is equipped with on guide chuck (9) with snap ring (7) matched with draw-in groove.

3. The four-stage averruncator drawbar structure of claim 2, characterized in that: the guide clamping head (9) is provided with a guide opening (15), and the guide rod (5) is provided with a conical head (13).

4. The four-stage averruncator drawbar structure of claim 3, characterized in that: the guide clamping head (9) is provided with a conical surface.

5. The four-stage averruncator drawbar structure of claim 2, characterized in that: spring I (11) pass through solid fixed ring (17) and fix on guide pull rod (8), guide pull rod (8) end is equipped with spacing piece (16).

6. The four-stage averruncator drawbar structure of claim 1, characterized in that: and threads are arranged at two ends of the connecting piece (24), and the connecting piece (24) is in threaded connection with the pull rod III (3) and the guide chuck (9).