Chain saw with functions of blocking branches and cleaning branches on saw chain

Abstract

The utility model discloses a chain saw with functions of blocking branches and cleaning branches on a saw chain, which comprises a main case, a side plate fixed on one side of the main case and the saw chain arranged between the main case and the side plate, the saw chain partially extends out of the main case and the side plate, and a mounting cavity for mounting the saw chain is formed between the side plate and the main case. A shifting piece capable of being used for blocking branches and shifting and cleaning branches on the saw chain is installed between the main machine shell and the side plate, the shifting piece is installed in a sliding mode, limiting pieces are arranged on the main machine shell and the side plate, and the limiting pieces limit the shifting piece to be separated from the main machine shell and the side plate in a sliding mode. Compared with the prior art, the branch cleaning device has the advantages that branches clamped among the saw chain, the main machine shell and the side plates can be cleaned through the sliding effect of the shifting piece due to the fact that the shifting piece is arranged in a sliding mode, hands are prevented from being injured when making direct contact with the saw chain, the branch cleaning safety is effectively improved, clamped branches can be cleaned without the help of foreign objects, and the cleaning efficiency is improved. The saw chain is prevented from being clamped by foreign objects, and the branch cleaning difficulty is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of chain saws, in particular to a chain saw with a branch blocking function, and in particular to a chain saw with the branch blocking and branch cleaning functions on a saw chain. Background Art

[0002] A chainsaw is a portable saw powered by a gasoline engine and is mainly used for logging and timber making. Its working principle is to perform the shearing action by the lateral movement of the staggered L-shaped blades on the saw chain.

[0003] like Figure 1 As shown, when the chain saw is in use, the saw chain installed on the guide bar drives clockwise. When the chain saw is felling trees, the branches of the trees need to be cut and processed. Sometimes some branches will be inserted into the saw chain and driven with the saw chain. The transmission of the saw chain on the guide bar is driven by the engine in the main machine.

[0004] In order to prevent branches from being transmitted to the matching structure of the engine-driven saw chain and affecting the engine-driven saw chain, a stopper is provided on the main casing below the guide plate and the saw chain. The stopper is fixedly installed and is used to prevent branches on the saw chain from entering the matching structure of the engine-driven saw chain.

[0005] However, due to the setting of the block, the branches driven by the saw chain will be stuck between the block, the saw chain and the main housing, resulting in the saw chain being unable to transmit. When cleaning the stuck branches, the user needs to use his hands directly or with the help of external objects to perform the cleaning operation. Cleaning directly with hands can easily cause the hands to come into contact with the blades on the saw chain, which is less safe. In addition, using external objects to clean can easily cause the saw chain to get stuck again, increasing the difficulty of cleaning the branches. Utility Model Content

[0006] The utility model addresses the problem that the saw chain of the existing chain saw has low safety and easily increases the difficulty of cleaning when the saw chain gets stuck in the branches. The technical problem to be solved by the utility model is to provide a chain saw with branch blocking and branch cleaning functions on the saw chain, which can effectively improve the safety when cleaning the branches and reduce the cleaning difficulty.

[0007] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a chain saw with the function of blocking branches and cleaning branches on the saw chain, including a main housing, a side panel fixed to one side of the main housing, and a saw chain arranged between the main housing and the side panel, the saw chain partially extending out of the main housing and the side panel, an installation cavity for installing the saw chain is formed between the side panel and the main housing, a dial piece that can be used to block branches and to fiddle with and clean branches on the saw chain is installed between the main housing and the side panel, the dial piece is slidably installed, and a limit piece is provided on the main housing and the side panel, the limit piece restricts the dial piece from sliding away from the main housing and the side panel.

[0008] A further preferred solution of the present invention is that: a convex edge is provided on the side panel, the convex edge fits the side wall of the main housing and separates the side panel and the main housing, and the installation cavity is formed between the side panel and the main housing.

[0009] A further preferred solution of the present invention is that the installation cavity is provided with a lower opening, the shifter is slidably mounted on the cavity wall at the lower opening, and the saw chain is located between the shifter and the convex edge.

[0010] A further preferred solution of the present invention is that the installation cavity is provided with a front opening, the saw chain extends out of the installation cavity from the front opening, and the limiting member is fixed on the outer wall of the front opening of the installation cavity.

[0011] A further preferred solution of the present invention is: a slide groove is provided on the main housing, the slide groove has side openings and a front opening, and the side opening of the slide groove is connected to the installation cavity.

[0012] A further preferred solution of the present invention is that the dial is provided with a sliding portion slidably arranged in the slide groove, and a blocking portion extending out of the side opening of the slide groove, and the limiting member covers the front opening of the slide groove, and the limiting member restricts the dial from being dragged out of the slide groove.

[0013] A further preferred solution of the present invention is: an inserting cavity is provided on the side panel, and a side opening and a front opening of the inserting cavity are provided, the side opening of the inserting cavity is connected to the installation cavity, and when the shifting member slides along the sliding groove, the shifting portion of the shifting member can slide from the front opening of the inserting cavity into the inserting cavity.

[0014] A further preferred solution of the present invention is that a spring is provided in the slide groove, the spring elastically supports the shifting portion of the shifting member to be located in the inserting cavity, and the limiting member restricts the spring from leaving the slide groove.

[0015] A further preferred solution of the present invention is that the inner wall of the inserting cavity and the shifting portion are provided with concave-convex matching grooves and convex portions.

[0016] A further preferred solution of the present invention is that the limiting member is fixedly mounted on the main housing by screws, or the limiting member is rotatably connected to the main housing and is positioned and connected to the main housing by screw connection or buckle connection.

[0017] Compared with the prior art, the advantage of the present invention is that, through the sliding setting of the dial, branches stuck between the saw chain, the main housing and the side panels can be cleaned by the sliding action of the dial, thus avoiding injuries caused by direct contact of the hands with the saw chain, effectively improving the safety when cleaning branches, and eliminating the need for using external objects to clean stuck branches, thus avoiding foreign objects from getting stuck in the saw chain, and effectively reducing the difficulty of cleaning branches. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments. However, those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be regarded as limiting the scope of the present invention. Furthermore, unless otherwise specified, the drawings only conceptually represent the composition or structure of the described objects and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 This is a schematic structural diagram of a prior art chain saw according to a preferred embodiment of the present utility model;

[0020] Figure 2 This is a schematic structural diagram of a chain saw according to a preferred embodiment of the present invention;

[0021] Figure 3 This is the preferred embodiment of the utility model Figure 2 A magnified schematic diagram of part A in the middle;

[0022] Figure 4 This is an exploded view of a chain saw according to a preferred embodiment of the present invention;

[0023] Figure 5 This is one of the cross-sectional views of a chain saw according to a preferred embodiment of the present invention;

[0024] Figure 6 This is the preferred embodiment of the utility model Figure 5 A magnified schematic diagram of part B in the middle;

[0025] Figure 7 This is the second cross-sectional view of the chain saw according to the preferred embodiment of the present invention;

[0026] Figure 8 This is the preferred embodiment of the utility model Figure 7 Enlarged schematic diagram of part C in the middle.

[0027] In the figure: 1. Main housing; 11. Slide groove; 2. Side panel; 21. Raised edge; 22. Insertion cavity; 23. Protrusion; 3. Saw chain; 4. Guide plate; 5. Shifter; 51. Sliding portion; 52. Shifter portion; 53. Groove; 6. Limiting member; 7. Spring; 8. Mounting cavity. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0029] It should be noted that like reference numerals denote like items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in subsequent drawings.

[0030] This embodiment mainly describes a chain saw with branch blocking and branch cleaning functions that can effectively improve the safety of branch cleaning and reduce the difficulty of cleaning, as follows:

[0031] like Figure 2-8 As shown, a chain saw with branch blocking and branch cleaning functions on the saw chain includes a main housing 1, a side panel 2, a guide plate 4, a saw chain 3, a dial 5 and a limiter 6. The side panel 2 is fixed to one side of the main housing 1, and a mounting cavity 8 is formed between the side panel 2 and the main housing 1. The saw chain 3 is mounted on the guide plate 4, and the saw chain 3 and the guide plate 4 are arranged between the side panel 2 and the main housing 1, and partially extend out of the front end of the side panel 2 and the main housing 1. The dial 5 is slidably mounted between the main housing 1 and the side panel 2 and is located below the saw chain 3. The limiter 6 is mounted on the main housing 1 and the side panel 2 to limit the dial 5 from sliding out of the side panel 2 and the main housing 1.

[0032] Preferably, the installation method of the side panel 2 on the main housing 1 is well known in the technical field of chain saws, and will not be described in detail in this application.

[0033] When the chain saw is actually working, the saw chain 3 rotates clockwise on the guide plate 4. When the chain saw is used to cut and clean branches on trees, the branches inserted in the saw chain 3 will be blocked by the dial 5 to prevent the branches from entering the installation cavity 8 and affecting the structure of the engine driving the saw chain 3 in the chain saw. In this application, the sliding setting of the dial 5 allows the branches stuck between the saw chain 3, the main housing 1 and the side plate 2 to be pushed and cleaned by the sliding action of the dial 5, avoiding direct contact of the hands with the saw chain 3 and injury, effectively improving the safety of branch cleaning, and no foreign objects are needed to clean the stuck branches, avoiding foreign objects from getting stuck in the saw chain 3, and effectively reducing the difficulty of branch cleaning.

[0034] like Figure 2-4 As shown, the side panel 2 is provided with a convex edge 21 that fits the side wall of the main housing 1. The convex edge 21 is spaced apart to form a mounting cavity 8 between the side panel 2 and the main housing 1. The mounting cavity 8 has a lower opening and a front opening. The saw chain 3 and the guide plate 4 extend out of the mounting cavity 8 from the front opening. The limiter 6 is fixed on the outer wall of the front opening of the slide 11, and the shifter 5 is slidably installed on the cavity wall near the lower opening of the mounting cavity 8. The saw chain 3 and the guide plate 4 are located between the shifter 5 and the convex edge 21.

[0035] like Figure 3-8As shown, the main housing 1 is provided with a slide groove 11 set with a side opening and a front opening, and the side opening of the slide groove 11 is connected to the installation cavity 8, the dial member 5 is provided with a sliding portion 51 slidably installed in the slide groove 11, and the dial member 5 is also provided with a detent portion 52 connecting the sliding portion 51 and extending from the side opening of the slide groove 11 to the installation cavity 8, the side panel 2 is provided with an insertion cavity 22 with a side opening and a front opening, and the side opening of the insertion cavity 22 is connected to the installation cavity 8 like the side opening of the slide groove 11, the dial member 5 can slide so that the detent portion 52 of the dial member 5 slides into the insertion cavity 22, and the cavity wall behind the installation cavity 8 or the length of the slide groove 11 and the limit member 6 limit the sliding distance of the dial member 5.

[0036] In order to prevent the selector 5 from sliding during normal use, a spring 7 can be provided in the slide groove 11. The spring 7 elastically supports the selector 5 to rest against the groove wall at the rear end of the slide groove 11, and will not cause the selector 5 to slide when the branches on the saw chain 3 touch the selector 5.

[0037] A convex portion 23 may be provided on the inner wall of the insertion cavity 22, and a groove 53 that can cooperate with the convex portion 23 is provided on the lower end surface of the detent portion 52. The front and rear positions of the detent portion 52 of the dial member 5 are each chamfered to facilitate the convex portion 23 on the inner wall of the insertion cavity 22 to contact and press down the detent portion 52 of the dial member 5, and the detent portion 52 or the wall surface of the insertion cavity 22 is deformed, so that when the sliding portion 51 of the dial member 5 slides in the slide groove 11, the groove 53 on the dial member 5 can slide to a position corresponding to the convex portion 23, and the convex portion 23 falls into the groove 53, thereby limiting the sliding of the dial member 5.

[0038] Preferably, the spring 7 and the concave-convex matching structure can be either one or both, or both can exist at the same time.

[0039] In this embodiment, the specific installation structure of the limiting member 6 is not shown in the drawings of the specification, but the specific installation methods of the limiting member 6 can be as follows.

[0040] Method 1: The limiting member 6 is fixedly mounted on the main housing 1 by two or more screws. The limiting member 6 is located outside the front opening of the slide slot 11 and blocks the front opening of the slide slot 11.

[0041] Method 2: One side of the limiting member 6 is rotatably mounted on the main housing 1, and the limiting member 6 is fixedly connected to the main housing 1 by buckling, thereby limiting the rotation of the limiting member 6;

[0042] Method 3: One side of the limiting member 6 is rotatably mounted on the main housing 1 or the side panel 2 , and the limiting member 6 is fixedly connected by screws to limit the rotation of the limiting member 6 .

[0043] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the product of the present invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0044] The above is a detailed introduction to the chain saw with branch blocking and branch cleaning functions provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the present invention and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, the present invention can also be improved and modified. These improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A chain saw with branch blocking and branch clearing functions, comprising a main housing, a side panel fixed to one side of the main housing, and a saw chain disposed between the main housing and the side panel, wherein the saw chain partially extends beyond the main housing and the side panel, and an installation cavity for installing the saw chain is formed between the side panel and the main housing, characterized in that: A shifter is installed between the main housing and the side panels, which can be used to block branches and to move and clean branches on the saw chain. The shifter is slidably installed, and a limiting member is provided on the main housing and the side panels, which limits the shifter from sliding away from the main housing and the side panels.

2. The chain saw with branch blocking and branch cleaning functions according to claim 1, characterized in that: The side panels are provided with convex edges, which fit the side walls of the main housing and separate the side panels from the main housing. The installation cavity is formed between the side panels and the main housing.

3. The chain saw with branch blocking and branch cleaning functions according to claim 1, characterized in that: The installation cavity is provided with a lower opening, the shifting piece is slidably mounted on the cavity wall at the lower opening, and the saw chain is located between the shifting piece and the convex edge.

4. The chain saw with branch blocking and branch cleaning functions according to claim 1, characterized in that: The installation cavity is provided with a front opening, the saw chain extends out of the installation cavity from the front opening, and the limiting member is fixed on the outer wall of the front opening of the installation cavity.

5. The chain saw with branch blocking and branch cleaning functions according to claim 1, characterized in that: The main housing is provided with a slide groove, and the slide groove has a side opening and a front opening, and the side opening of the slide groove is connected to the installation cavity.

6. The chain saw with branch blocking and branch cleaning functions according to claim 5, characterized in that: The shifter is provided with a sliding portion slidably arranged in the slide groove, and a shifting portion extending out of the side opening of the slide groove, and the limiting member covers the front opening of the slide groove, and the limiting member limits the shifter from being dragged out of the slide groove.

7. The chain saw with branch blocking and branch cleaning functions according to claim 6, characterized in that: The side plate is provided with an inserting cavity, and a side opening and a front opening of the inserting cavity are provided. The side opening of the inserting cavity is connected to the installation cavity, and when the shifting member slides along the sliding groove, the shifting portion of the shifting member can slide from the front opening of the inserting cavity into the inserting cavity.

8. The chain saw with branch blocking and branch cleaning functions according to claim 7, characterized in that: A spring is provided in the slide groove, and the spring elastically supports the shifting portion of the shifting member to be located in the inserting cavity, and the limiting member limits the spring from being separated from the slide groove.

9. The chain saw with branch blocking and branch cleaning functions according to claim 7 or 8, characterized in that: The inner wall of the inserting cavity and the shifting portion are provided with concave-convex matching grooves and convex portions.

10. The chain saw with branch blocking and branch cleaning functions according to claim 1, characterized in that: The limiting member is fixedly mounted on the main housing by screws, or the limiting member is rotatably connected to the main housing and is positioned and connected to the main housing by screw connection or buckle connection.

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