Blade shield for high branch scissors

By adopting a split-structure blade shield, the combination of soft glue and plastic materials is used to solve the problem of debris entry caused by traditional shield design, achieving a higher service life and lower failure rate.

CN222941304UActive Publication Date: 2025-06-06GUANGDONG RUIGU TOOLS CO LTD
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Patent Information

Application Number
CN202422157352.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-06-06
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

Due to the large design gap of traditional high-branch scissors, branches and liquid or debris are easily entered into the aluminum tube, causing transmission jams or machine failures, and they need to be cleaned regularly.

Method used

The blade shield adopts a split structure. The upper structure is made of soft rubber material and the lower structure is made of plastic material. It is connected by a snap-on part. The soft rubber part is always close to the moving blade to prevent debris from entering.

Benefits of technology

Effectively prevent branches and wood chips, branches liquids and debris from entering the aluminum tube, reduce failure rate, improve service life, and reduce blade wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The blade protective cover comprises an upper structural part and a lower structural part, the upper structural part and the lower structural part are connected through a buckling part, an upper blade groove is formed in the side face of the upper structural part, an upper connecting plate is connected beside the upper blade groove, a lower blade groove is formed in the side face of the lower structural part, and a lower connecting plate is connected beside the lower blade groove. The upper connecting plate and the lower connecting plate are embedded, and screw holes are formed in the upper connecting plate and the lower connecting plate. The high branch shears have the advantages that the split structure is adopted, the upper structural part is made of soft rubber, the lower structural part is made of plastic, the soft rubber part is always in an attached state with the movable blade in the blade opening and closing shearing working process of the high branch shears, sundries on branches are effectively prevented from falling into an aluminum pipe, the fault rate of the high branch shears is effectively reduced, and the working efficiency is improved. The service life of the lopper is effectively prolonged; the upper structure has receding elasticity in the blade closing process, friction with the blade is reduced, abrasion of the blade is effectively reduced, and the service life of the blade is prolonged.
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Description

Technical Field

[0001] The utility model relates to a blade guard for high-branch shears, and belongs to the technical field of lithium-electric high-branch shears. Background Art

[0002] The blade guard of traditional high-branch shears is designed as an integral plastic. In order to avoid interference with the moving blade during the opening and closing process, a large gap is left. Since the high-branch shears face upward during operation, the moving blade cuts branches during operation. Branch sawdust, branch liquid or other debris on the branch can easily fall into the aluminum tube. There is a transmission structure at the connection of the aluminum tube. Sawdust and other debris can easily cause the transmission to get stuck, or other factors can cause machine failure. Long-term use may cause machine failure, or it may be necessary to regularly clean up the debris that falls on the aluminum tube. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a blade guard for high-branch shears. The guard adopts a split structure, the upper structural part is made of soft rubber material, and the lower structural part is made of plastic material. During the opening and closing shearing operation of the blade of the high-branch shears, the soft rubber part is always in close contact with the moving blade, effectively preventing branch sawdust, branch liquid, and debris on the branch from falling into the interior of the aluminum tube.

[0004] The utility model is achieved through the following scheme: a blade guard for high-branch shears, which includes an upper structural member and a lower structural member, the upper structural member and the lower structural member are connected by a snap-on portion, an upper blade groove is opened on the side of the upper structural member, an upper connecting plate is connected next to the upper blade groove, a lower blade groove is opened on the side of the lower structural member, a lower connecting plate is connected next to the lower blade groove, the upper connecting plate and the lower connecting plate are embedded, and screw holes are opened on the upper connecting plate and the lower connecting plate.

[0005] The fixed blade is fixed on the upper connecting plate and the lower connecting plate by screws.

[0006] The upper connecting plate and the lower connecting plate are of stepped structure.

[0007] The upper structural member is a hemispherical structure, and the lower structural member is a cylindrical structure.

[0008] The upper structural component is made of soft rubber material, and the lower structural component is made of plastic material.

[0009] The number of the screw holes on the upper connecting plate is one, and the number of the screw holes on the lower connecting plate is two.

[0010] The buckle part includes an upper clamping ring and a lower clamping ring, the upper clamping ring is sleeved on the outside of the lower clamping ring, the upper part of the upper clamping ring is connected to the upper structural member, and the lower part of the lower clamping ring is connected to the lower structural member. A clamping block is provided on the inner side of the upper clamping ring, and a clamping groove is opened in the lower clamping ring, and the clamping block corresponds to the clamping groove.

[0011] The inner diameter of the upper clamping ring is equal to the outer diameter of the lower clamping ring.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model adopts a split structure for the blade guard of the high branch shears, the upper structural part is made of soft rubber material, and the lower structural part is made of plastic material. During the opening and closing of the blade of the high branch shears, the soft rubber part is always in close contact with the moving blade, effectively preventing branch sawdust, branch liquid, and debris on the branch from falling into the aluminum tube, effectively reducing the failure rate of the high branch shears, and effectively increasing the service life of the high branch shears;

[0014] 2. The upper structure of the blade guard for high-branch shears of the utility model has the elasticity to give way during the closing process of the blade, thereby reducing friction with the blade, effectively reducing the wear of the blade, and increasing the service life of the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a three-dimensional structural schematic diagram of a blade guard for high-branch shears.

[0016] Figure 2 The utility model is an exploded schematic diagram of the three-dimensional structure of a blade guard for high-branch shears.

[0017] Figure 3 The utility model is a three-dimensional structural schematic diagram of a structural member on a blade guard for high-branch shears.

[0018] Figure 4 The utility model is a three-dimensional structure diagram of a blade guard for high-branch shears in use Figure 1 .

[0019] Figure 5 The utility model is a three-dimensional structure diagram of a blade guard for high-branch shears in use Figure 2 .

[0020] In the figure: 100 is an upper structural member, 101 is an upper blade slot, 102 is an upper connecting plate, 103 is a screw hole, 200 is a lower structural member, 201 is a lower blade slot, 202 is a lower connecting plate, 300 is a buckle portion, 301 is an upper clamping ring, 302 is a lower clamping ring, 303 is a clamping block, 304 is a clamping slot, 400 is a fixed blade, 500 is a movable blade, 600 is a connector, and 700 is a rod body. DETAILED DESCRIPTION

[0021] Combine the following Figure 1-5 The utility model is further described, but the protection scope of the utility model is not limited to the described contents.

[0022] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively. The drawings are all in very simplified form and use inaccurate ratios, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the utility model.

[0023] Reference Figure 1-3 A blade guard for high-branch shears comprises an upper structural member 100 and a lower structural member 200, the upper structural member 100 and the lower structural member 200 are connected by a buckle portion 300, an upper blade groove 101 is opened on the side of the upper structural member 100, an upper connecting plate 102 is connected next to the upper blade groove 101, a lower blade groove 201 is opened on the side of the lower structural member 200, a lower connecting plate 202 is connected next to the lower blade groove 201, the upper connecting plate 102 and the lower connecting plate 202 are embedded, screw holes 103 are opened on the upper connecting plate 102 and the lower connecting plate 202, and the sizes of the upper blade groove 101 and the lower blade groove 201 are determined according to the size and thickness of the blade.

[0024] The upper connecting plate 102 has one screw hole 103 , and the lower connecting plate 202 has two screw holes 103 . The fixed blade 400 is fixed to the upper connecting plate 102 and the lower connecting plate 202 by screws.

[0025] The upper connecting plate 102 and the lower connecting plate 202 are step structures, the upper structural member 100 is a hemispherical structure, the lower structural member 200 is a cylindrical structure, the upper structural member 100 is made of soft rubber material, and the lower structural member 200 is made of plastic material.

[0026] Example

[0027] The invention discloses a blade guard for high-branch shears. The upper structural component 100 is made of soft silicone material, and the lower structural component 200 is made of PVC material. The production process is injection molding. The upper structural component 100 and the lower structural component 200 are connected by a buckle part 300. The buckle part 300 includes an upper buckle ring 301 and a lower buckle ring 302. The upper buckle ring 301 is sleeved on the outer side of the lower buckle ring 302. The inner diameter of the upper buckle ring 301 is equal to the outer diameter of the lower buckle ring 302. The upper part of the upper buckle ring 301 is connected to the upper structural component 100, and the lower part of the lower buckle ring 302 is connected to the lower structural component 200. A clamping block 303 is provided on the inner side of the upper buckle ring 301, and a clamping groove 304 is opened on the lower buckle ring 302. The clamping block 303 corresponds to the clamping groove 304.

[0028] An upper blade groove 101 is opened on the side of the upper structural member 100, and an upper connecting plate 102 is connected to the upper blade groove 101. A lower blade groove 201 is opened on the side of the lower structural member 200, and a lower connecting plate 202 is connected to the lower blade groove 201. The upper connecting plate 102 and the lower connecting plate 202 are interlocked, and screw holes 103 are opened on the upper connecting plate 102 and the lower connecting plate 202. The sizes of the upper blade groove 101 and the lower blade groove 201 are determined according to the size and thickness of the blade.

[0029] Use Status Reference Figure 4 and Figure 5 The fixed blade 400 is fixed to the upper connecting plate 102 and the lower connecting plate 202 by screws, the movable blade 500 is connected to the fixed blade 400 by a rotating shaft, the fixed blade 400 and the movable blade 500 pass through the upper blade groove 101 and the lower blade groove 201, the lower structure 200 is connected to the connecting head 600, and the connection method is one of snap-on and rotation, and the rod body 700 of the aluminum tube passes through the connecting head 600.

[0030] During the opening and closing shearing process of the high branch shears, since the upper structure 100 is made of soft rubber material, it plays an elastic role of giving way during the closing process of the movable blade 500, so that the upper structure 100 is always in a close fit with the movable blade 500, effectively preventing branch sawdust, branch liquid, and debris on the branch from falling into the aluminum tube.

[0031] Although the technical solutions of the present invention have been described and listed in detail, it should be understood that it is obvious to those skilled in the art to make modifications to the above-mentioned embodiments or adopt equivalent alternatives. These modifications or improvements made without departing from the spirit of the present invention are within the scope of protection required by the present invention.

Claims

1. A blade guard for high-branch shears, characterized in that: The invention comprises an upper structure (100) and a lower structure (200), wherein the upper structure (100) and the lower structure (200) are connected via a buckle portion (300), an upper blade groove (101) is provided on the side of the upper structure (100), an upper connecting plate (102) is connected next to the upper blade groove (101), a lower blade groove (201) is provided on the side of the lower structure (200), a lower connecting plate (202) is connected next to the lower blade groove (201), the upper connecting plate (102) and the lower connecting plate (202) are embedded with each other, and screw holes (103) are provided on the upper connecting plate (102) and the lower connecting plate (202).

2. A blade guard for high-branch shears according to claim 1, characterized in that: The fixed blade (400) is fixed to the upper connecting plate (102) and the lower connecting plate (202) by means of screws.

3. A blade guard for high-branch shears according to claim 1, characterized in that: The upper connecting plate (102) and the lower connecting plate (202) are stepped structures.

4. The blade guard for high-branch shears according to claim 1, characterized in that: The upper structural component (100) is a hemispherical structure, and the lower structural component (200) is a cylindrical structure.

5. The blade guard for high-branch shears according to claim 1, characterized in that: The upper structural component (100) is made of soft rubber material, and the lower structural component (200) is made of plastic material.

6. The blade guard for high-branch shears according to claim 1, characterized in that: The number of the screw holes (103) on the upper connecting plate (102) is one, and the number of the screw holes (103) on the lower connecting plate (202) is two.

7. The blade guard for high-branch shears according to claim 1, characterized in that: The buckle portion (300) comprises an upper snap ring (301) and a lower snap ring (302); the upper snap ring (301) is sleeved on the outer side of the lower snap ring (302); the upper portion of the upper snap ring (301) is connected to the upper structural component (100); the lower portion of the lower snap ring (302) is connected to the lower structural component (200); a snap block (303) is provided on the inner side of the upper snap ring (301); a snap groove (304) is provided on the lower snap ring (302); and the snap block (303) corresponds to the snap groove (304).

8. The blade guard for high-branch shears according to claim 7, characterized in that: The inner diameter of the upper clamping ring (301) is equal to the outer diameter of the lower clamping ring (302).