Electric chain saw with protective structure

Abstract

The application relates to the technical field of electric tools, and discloses an electric chain saw with a protection structure, which comprises a chain saw main body, a protection plate arranged on the operation side of the chain saw main body, a connecting assembly arranged on one side of the protection plate and used for dismounting the protection plate, a limiting assembly arranged on one side of the chain saw main body, an auxiliary assembly arranged on one side of the limiting assembly and used for assisting in pulling the chain saw main body, and two second fixing frames, the bottom of each second fixing frame being fixed with a limiting cone, the limiting cone being inserted into the soil at the same time when the second fixing frame is inserted into the soil, the elastic restoring force generated during the cutting and pressing process of the tension spring being transmitted to the chain saw main body through a horizontal plate, a second connecting plate and a first fixing frame, a continuous upward gravity compensation being formed, most of the self-weight of the chain saw main body being offset, the force required by an operator during pressing being greatly reduced, the burden of the arm and shoulder muscles being obviously reduced even if the operation is continuously carried out for several hours, and the operation is more labor-saving.

Description

Technical Field

[0001] This invention relates to the field of power tool technology, specifically to an electric chainsaw with a protective structure. Background Technology

[0002] An electric chainsaw is a portable power tool that uses electricity to cut materials through the cutting teeth on a chainsaw chain. It is widely used in garden pruning, logging, building decoration, timber processing, and other applications.

[0003] To ensure sufficient cutting power and structural strength, existing electric chainsaws are typically quite heavy, with some models weighing several kilograms or even more than ten kilograms. During cutting operations, operators need to continuously overcome the downward pressure exerted by the chainsaw's own weight, while also applying additional downward pressure to ensure cutting efficiency. This keeps the arm and shoulder muscles under tension for extended periods. After working continuously for several hours, the operator experiences significant arm pain and shoulder fatigue, which not only affects work efficiency but may also lead to decreased control precision due to muscle fatigue. Traditional electric chainsaws generate a large amount of flying sawdust and debris during high-speed cutting. These high-speed flying debris can easily injure the operator's face, hands, and other exposed areas. At the same time, the saw chain is at risk of breaking during high-speed operation. In the event of a chain breakage, the broken chain may be thrown out at high speed, causing serious injury to the operator. Therefore, an electric chainsaw with a protective structure is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide an electric chainsaw with a protective structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an electric chainsaw with a protective structure, comprising a chainsaw body, a protective plate on the operating side of the chainsaw body, and a connecting component on one side of the protective plate, the connecting component being used for assembling and disassembling the protective plate; A limiting component is provided on one side of the chainsaw body, and an auxiliary component is provided on one side of the limiting component. The auxiliary component is used to assist in pulling the chainsaw body. The auxiliary component includes two second fixing frames. A limit cone is fixed to the bottom of the second fixing frame. A guide rod is fixed to the inner side of the second fixing frame. A horizontal plate is slidably connected to the outer side of the guide rod. A tension spring is sleeved on the outside of the guide rod, and the two ends of the tension spring are respectively connected to the second fixing frame and one side of the horizontal plate. A second connecting plate is fixed to the bottom of the horizontal plate. The limiting component includes a first fixing frame and a first connecting plate. An insertion groove and a sliding groove are respectively opened on the inner side of the first fixing frame, and a locking groove is opened on one side of the first connecting plate. The slide is slidably connected to a slide plate, and a pull rod and a locking rod are fixed on both sides of the slide plate respectively.

[0006] Preferably, the tops of the two second fixing frames are fixed together, and the second connecting plate is rotatably connected to both sides of the first fixing frame via bearings.

[0007] Preferably, the bottom of the first connecting plate is fixed to the top of the chainsaw body. When the locking rod is inserted into the locking groove, the chainsaw body is in the installed state. When the locking rod leaves the locking groove, the chainsaw body is in the disassembled state.

[0008] Preferably, the first connecting plate is adapted to the inside of the insertion slot, and the pull rod and locking rod respectively pass through the inside of the first fixing frame.

[0009] Preferably, a spring is sleeved on the outside of the pull rod, and the two ends of the spring are respectively connected to one side of the slide groove and the slide plate, and a handle is fixed to one end of the pull rod.

[0010] Preferably, the connecting assembly includes several connecting frames and several limiting frames, with protrusions inserted into the inner side of the limiting frames and several limiting rods fixed to the inner side of the connecting frames.

[0011] Preferably, a screw is rotatably connected to one side of the top of one of the second fixing frames, and a slider is rotatably connected to the bottom of the screw via a bearing, with a support rod fixed to the bottom of the slider.

[0012] Preferably, the limiting frame is fixed to one side of the protective plate, the protrusion is fixed to one side of the second fixing frame, and the slider is slidably connected to one side of the second fixing frame via a slide rail.

[0013] Preferably, a limiting groove is provided on one side of both the limiting frame and the protrusion, and a limiting rod is adapted to the inner side of the limiting groove. Several connecting frames are fixed to each other, and the bottom end of the support rod is fixed to the top of the connecting frame.

[0014] Preferably, a guide plate is installed on one side of the chainsaw body, a chain is wound around the outside of the guide plate, and a battery pack is installed on the side of the chainsaw body away from the guide plate.

[0015] Compared with the prior art, the present invention, employing the above technical solution, has the following technical effects: As the second fixing frame is inserted into the soil, the limiting cone simultaneously penetrates into the soil. The elastic restoring force generated by the tension spring during the cutting and pressing process is transmitted to the chainsaw body through the horizontal plate, the second connecting plate, and the first fixing frame, forming a continuous upward gravity compensation that offsets most of the chainsaw body's own weight. This significantly reduces the force required for the operator to press down, and even after working continuously for several hours, the burden on the arm and shoulder muscles is significantly reduced, making operation easier.

[0016] By utilizing the insertion and engagement of the first connecting plate with the insertion slot, along with the elastic locking mechanism consisting of the pull rod, spring, slide plate, and locking rod, the main body of the chainsaw can be disassembled and assembled quickly without the need for additional tools. This facilitates relocation, transportation, and individual storage, as well as quick equipment replacement at different work sites, significantly improving field operation efficiency.

[0017] The screw drives the slider to raise and lower the limit rod. Together with the limit bracket and the protrusion to form a limit groove, the protective plate can be firmly locked to the side of the second fixed frame. After installation, the protective plate is always isolated between the operator and the cutting area, effectively blocking the risk of flying wood chips and accidental chain breakage. At the same time, the locking can be quickly released by simply rotating the screw, which is convenient for cleaning or replacing the protective plate, taking into account both safety and maintenance convenience. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a first-view structural diagram of the present invention; Figure 2 This is a schematic diagram of the second perspective structure of the present invention; Figure 3 This is a schematic diagram of the third-view structure of the present invention; Figure 4 This is a schematic diagram of the structure at the first fixing frame of the present invention; Figure 5 This is a schematic cross-sectional view of the connecting frame of the present invention; Figure 6 This is a schematic diagram of the structure at the limiting rod of the present invention; Figure 7 This is a schematic cross-sectional view of the first fixing frame of the present invention; Figure 8 This is a schematic cross-sectional view of the second fixing frame of the present invention; Figure 9 This is a schematic diagram of the tension spring structure of the present invention.

[0020] Explanation of reference numerals in the attached drawings: 1. Chainsaw body; 2. Protective plate; 3. Connecting assembly; 31. Connecting frame; 32. Limiting frame; 33. Protrusion; 34. Screw; 35. Support rod; 36. Limiting groove; 37. Limiting rod; 38. Slider; 4. Limiting assembly; 41. First fixing frame; 42. First connecting plate; 43. Locking groove; 44. Insertion groove; 45. Slide groove; 46. Pull rod; 47. Spring; 48. Slide plate; 49. Locking rod; 5. Auxiliary assembly; 51. Second fixing frame; 52. Tension spring; 53. Cross plate; 54. Limiting cone; 55. Guide rod; 56. Second connecting plate; 6. Guide plate; 7. Chain; 8. Battery pack. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0023] Example

[0024] Please see Figure 1-9 This invention provides a technical solution: an electric chainsaw with a protective structure, comprising a chainsaw body 1, a protective plate 2 on the operating side of the chainsaw body 1, preferably made of transparent plastic with a thickness of 2mm-8mm, a connecting component 3 on one side of the protective plate 2 for assembling and disassembling the protective plate 2; a limiting component 4 on one side of the chainsaw body 1, and an auxiliary component 5 on one side of the limiting component 4 for assisting in pulling the chainsaw body 1; a guide plate 6 installed on one side of the chainsaw body 1, with a chain 7 wound around the outside of the guide plate 6, the guide plate 6 being made of high-quality steel, and having a guide wheel at its front end for guiding the chain 7 to operate smoothly, the chain 7 being composed of several drive links and cutting links alternately hinged, and the chain 7 having a thickness of 1.1mm-1.5mm. A lubricating oil supply system is provided inside the chainsaw body 1 to supply lubricating oil to the chain 7 and the guide plate 6 during operation, thereby reducing friction and wear. A battery pack 8 is installed on the side of the chainsaw body 1 away from the guide plate 6. The chainsaw body 1 has a built-in brushless motor, and the battery pack 8 is a detachable lithium-ion battery pack. The battery pack 8 is electrically connected to the chainsaw body 1 through plug-in electrode contacts. The battery pack 8 has a locking mechanism on its outside for locking into the battery mounting slot on the chainsaw body 1. The chainsaw body 1 is also equipped with a power switch and a speed control trigger. When the operator pulls the speed control trigger, the operating speed of the chain 7 can be controlled. The operator first holds the chainsaw body 1 and installs the battery pack 8 to provide power.

[0025] The auxiliary component 5 includes two second fixing frames 51, which are vertically arranged columnar structures made of metal. The two second fixing frames 51 are arranged in parallel, with space between them for the chainsaw body 1 and the first fixing frame 41 to swing. The tops of the two second fixing frames 51 are fixedly connected to each other by a crossbeam or connecting plate to enhance the stability of the overall structure. The bottom of the second fixing frame 51 is fixed with a limiting cone 54. The limiting cone 54 is conical or pyramidal in shape, with its tip pointing downwards. The diameter of the larger end of the limiting cone 54 is smaller than the bottom diameter of the second fixing frame 51. The height of the limiting cone 54 is 30mm-100mm. The limiting cone 54 is fixed to the bottom of the second fixing frame 51 by welding or threaded connection. The limiting cone 54 is used to insert into the ground soil to form a stable fulcrum. The surface of the limiting cone 54 can be provided with anti-slip textures or barbed structures to enhance the gripping force with the soil. A guide rod 55 is fixed to the inner side of the second fixed frame 51. The guide rod 55 is a cylindrical rod with its axis vertically set. Both ends of the guide rod 55 are fixed to the upper and lower ends of the second fixed frame 51, respectively. The surface of the guide rod 55 is smoothed to reduce frictional resistance when the horizontal plate 53 slides. The diameter of the guide rod 55 is 6mm-20mm, and it is made of stainless steel or chrome-plated steel. The horizontal plate 53 is slidably connected to the outer side of the guide rod 55. A tension spring 52 is sleeved on the outer side of the guide rod 55. Both ends of the tension spring 52 are connected to one side of the second fixed frame 51 and the horizontal plate 53, respectively. The tension spring 52 is a tension spring made of spring steel or stainless steel. The wire diameter of the tension spring 52 is 0.8mm-3.0mm, the spring diameter is 10mm-30mm, and the effective number of coils is 520. Hooks or rings are provided at both ends of the tension spring 52 for connecting the lugs or mounting holes on the second fixed frame 51 and the horizontal plate 53.

[0026] The horizontal plate 53 is a flat plate structure with guide holes that match the guide rod 55. A gap of 0.1mm-0.5mm is maintained between the inner diameter of the guide hole and the outer diameter of the guide rod 55 to ensure smooth sliding of the horizontal plate 53 along the guide rod 55. The sliding stroke of the horizontal plate 53 along the guide rod 55 is 20mm-300mm. After the two second fixing brackets 51 are inserted into the ground, the height of their top crossbeams from the ground is 300mm-800mm. This height is adjusted according to the operator's height and working posture to ensure that the operator can hold the chainsaw body 1 in a natural posture for cutting operations.

[0027] A second connecting plate 56 is fixed to the bottom of the horizontal plate 53; the tops of two second fixing frames 51 are fixed together, and the second connecting plate 56 is rotatably connected to both sides of the first fixing frame 41 via bearings. The operator forcefully inserts the limiting cone 54 at the bottom of the second fixing frame 51 into the ground to form a stable fulcrum. After starting the chainsaw body 1, the chain 7 begins to rotate at high speed. Since the second connecting plate 56 and the first fixing frame 41 are rotatably connected by bearings, the operator can flexibly swing the chainsaw body 1 according to the shape of the wood and the cutting requirements. During the cutting process, the weight and downward pressure of the chainsaw body 1 are transmitted to the second connecting plate 56 through the first connecting plate 42 and the first fixing frame 41, and then act on the horizontal plate 53. The horizontal plate 53 slides downward along the guide rod 55, stretching the tension spring 52. The tension spring 52 uses its elastic deformation to generate an upward pulling force, effectively offsetting most of the weight of the chainsaw body 1, reducing the fatigue of the operator holding the electric chainsaw for a long time, making the cutting process more stable and effortless, and reducing the safety risks caused by hand tremors. The limiting component 4 includes a first fixing frame 41 and a first connecting plate 42. The first fixing frame 41 is made of welded metal material and is used for rotatable connection with the second connecting plate 56. The opening of the first fixing frame 41 faces the chain saw body 1 to facilitate the insertion of the first connecting plate 42. The first connecting plate 42 is a plate-shaped structure, and its thickness is adapted to the width of the insertion groove 44. The first connecting plate 42 is fixed to the top of the chain saw body 1. An insertion groove 44 and a sliding groove 45 are respectively opened on the inner side of the first fixing frame 41. The insertion groove 44 extends along the height direction of the first fixing frame 41, and its cross-section is rectangular. The width of the groove is adapted to the thickness of the first connecting plate 42, and the depth of the groove is adapted to the length of the insertion part of the first connecting plate 42. The sliding groove 45 is located inside the side wall of the first fixing frame 41. The sliding groove 45 is a circular through hole or a rectangular groove, extending horizontally, and its axis is perpendicular to the axis of the insertion groove 44. A locking groove 43 is provided on one side of the first connecting plate 42; a sliding plate 48 is slidably connected to the sliding groove 45, and a pull rod 46 and a locking rod 49 are fixed on both sides of the sliding plate 48 respectively. A spring 47 is sleeved on the outside of the pull rod 46, and the two ends of the spring 47 are respectively connected to one side of the sliding groove 45 and the sliding plate 48. A handle is fixed to one end of the pull rod 46.

[0028] The slide plate 48 is a circular or rectangular plate structure, and its outer diameter or external dimensions are adapted to the inner diameter or inner contour of the slide groove 45. The slide plate 48 can slide freely in the horizontal direction within the slide groove 45. The pull rod 46 and the locking rod 49 are respectively fixed to both sides of the slide plate 48. One end of the pull rod 46 passes through the side wall of the first fixing frame 41 and extends to the outside of the first fixing frame 41. A handle is fixed to the end of the pull rod 46 extending out of the first fixing frame 41. The handle is a spherical or T-shaped structure, which is convenient for the operator to grip and pull. One end of the locking rod 49 passes through the side wall of the first fixing frame 41 and extends to the inside of the insertion groove 44. The end of the locking rod 49 is provided with a chamfer or rounded transition, which is convenient for insertion into the locking groove 43.

[0029] The bottom of the first connecting plate 42 is fixed to the top of the chainsaw body 1. When the locking rod 49 is inserted into the inner side of the locking groove 43, the chainsaw body 1 is in the installed state. When the locking rod 49 leaves the inner side of the locking groove 43, the chainsaw body 1 is in the disassembled state. The first connecting plate 42 is adapted to the inner side of the insertion groove 44. The pull rod 46 and the locking rod 49 respectively pass through the inner side of the first fixing frame 41. Align the first connecting plate 42 on the top of the chainsaw body 1 with the insertion groove 44 on the first fixing frame 41. During the installation process, the operator pulls the pull rod 46 outward. The pull rod 46 drives the slide plate 48 to slide in the slide groove 45, while compressing the spring 47 and retracting the locking rod 49. The spring 47 is a compression spring made of spring steel. The spring 47 is sleeved on the outer side of the pull rod 46. One end of the spring 47 abuts against the inner wall of the slide groove 45, and the other end abuts against the side of the slide plate 48. When the operator pulls the lever 46 outward, the slide plate 48 compresses the spring 47, and the spring 47 generates an elastic restoring force. When the lever 46 is released, the elastic restoring force of the spring 47 pushes the slide plate 48 back to its original position, thereby causing the locking rod 49 to insert into the locking groove 43. After the first connecting plate 42 is fully inserted into the insertion groove 44, the lever 46 is released, and the spring 47 returns to its original position, pushing the locking rod 49 into the locking groove 43 of the first connecting plate 42. At this time, the chainsaw body 1 is locked and in a stable installation state, preventing accidental detachment during operation.

[0030] The connecting assembly 3 includes several connecting frames 31 and several limiting frames 32. A protrusion 33 is inserted into the inner side of the limiting frame 32. Several limiting rods 37 are fixed inside the connecting frame 31. A screw 34 is rotatably connected to one side of the top of one of the second fixing frames 51. A slider 38 is rotatably connected to the bottom of the screw 34 through a bearing. A support rod 35 is fixed to the bottom of the slider 38.

[0031] The limiting bracket 32 ​​is fixed to one side of the protective plate 2, the protrusion 33 is fixed to one side of the second fixed bracket 51, and the slider 38 is slidably connected to one side of the second fixed bracket 51 via a slide rail. The operator rotates the screw 34 clockwise, which drives the slider 38 to move downwards along the slide rail, thereby causing the connecting bracket 31 and the limiting rod 37 to move downwards via the support rod 35. Then, the limiting bracket 32 ​​on one side of the protective plate 2 is fitted onto the outside of the protrusion 33 on the second fixed bracket 51. Next, the screw 34 is rotated counterclockwise, causing the limiting rod 37 to move upwards again and precisely insert into the limiting groove 36 corresponding to the limiting bracket 32 ​​and the protrusion 33. The protective plate 2 can be quickly disassembled and installed, which is convenient for maintenance or replacement. At the same time, it ensures that it will not shake during operation and provides reliable physical isolation protection. Limiting grooves 36 are opened on one side of the limiting frame 32 and the protrusion 33. The limiting rod 37 is adapted to the inside of the limiting groove 36. Several connecting frames 31 are fixed to each other, and the bottom end of the support rod 35 is fixed to the top of the connecting frame 31.

[0032] Working principle or structural principle: During operation, first align the first connecting plate 42 on the top of the chainsaw body 1 with the insertion slot 44 on the first fixing frame 41 and insert it. At the same time, pull the lever 46 outward to make the slide plate 48 slide along the slide groove 45 and compress the spring 47, which will drive the locking rod 49 to retract. When the first connecting plate 42 is completely submerged in the insertion slot 44, release the lever 46. The spring 47 will return to its original position and push the slide plate 48, causing the locking rod 49 to spring into the locking groove 43 on the side of the first connecting plate 42, and the chainsaw body 1 will be locked.

[0033] Next, install the protective plate 2: Rotate the screw 34 clockwise, causing the slider 38 and support rod 35 to rise, which in turn lifts the limiting rod 37 through the connecting frame 31; then, place the limiting frame 32 on the protective plate 2 onto the protrusion 33 on the side of the second fixing frame 51, and then rotate the screw 34 counterclockwise to lower the limiting rod 37 and insert it into the limiting groove 36 formed by the limiting frame 32 and the protrusion 33, thus firmly installing the protective plate 2 on the operating side. Finally, insert the second fixing frame 51 into the soil, and the limiting cone 54 simultaneously penetrates the soil, forming a stable working fulcrum; During cutting, the chainsaw body 1 is activated, and the chain 7 runs on the guide plate 6 to cut the wood. When the operator presses down on the chainsaw body 1, the first fixing frame 41 and the first connecting plate 42 move downward together, and the second connecting plate 56, which rotates around the bearing, drives the cross plate 53 to slide downward along the guide rod 55. At this time, the tension spring 52 is stretched. During this process, the tension spring 52 generates an upward elastic restoring force, which is transmitted to the chainsaw body 1 through the cross plate 53, the second connecting plate 56, and the first fixing frame 41, providing effective gravity compensation for the chainsaw body 1. The tension spring 52 utilizes its elastic deformation to generate an upward pulling force, effectively offsetting most of the weight of the chainsaw body 1, significantly reducing fatigue during long-term operation, making operation easier and control more precise. Meanwhile, the protective plate 2 remains isolated on the operating side, ensuring operational safety.

[0034] After the cutting operation is completed, the operator pulls the lever 46 again to disengage the locking lever 49 from the locking groove 43, allowing the chainsaw body 1 to be disassembled and separated from the first fixing frame 41 for easy storage. To clean or replace the protective plate 2, simply turn the screw 34 clockwise to release the locking lever 37, allowing for quick removal of the protective plate 2. The overall design of the device balances portability and functionality, ensuring stability during field operations while facilitating routine maintenance.

[0035] In summary, as the second fixing frame 51 is inserted into the soil, the limiting cone 54 simultaneously penetrates into the soil. The elastic restoring force generated by the tension spring 52 during the cutting and pressing process is transmitted to the chainsaw body 1 through the horizontal plate 53, the second connecting plate 56, and the first fixing frame 41, forming a continuous upward gravity compensation. This offsets most of the self-weight of the chainsaw body 1, greatly reducing the force required for the operator to press down. Even after working continuously for several hours, the burden on the arm and shoulder muscles is significantly reduced, making operation easier.

[0036] By utilizing the plug-in connection between the first connecting plate 42 and the insertion slot 44, and in conjunction with the elastic locking mechanism consisting of the pull rod 46, spring 47, slide plate 48 and locking rod 49, the chainsaw body 1 can be disassembled and assembled quickly without the need for additional tools. This facilitates relocation, transportation, and separate storage, as well as quick equipment replacement at different work sites, significantly improving field operation efficiency.

[0037] The screw 34 drives the slider 38 to raise and lower the limit rod 37. Together with the limit frame 32 and the protrusion 33 to form the limit groove 36, the protective plate 2 can be firmly locked to the side of the second fixed frame 51. After installation, the protective plate 2 is always isolated between the operator and the cutting area, effectively blocking the risk of flying wood chips and accidental chain breakage. At the same time, the locking can be quickly released by simply rotating the screw 34, which is convenient for cleaning or replacing the protective plate 2, taking into account both safety and maintenance convenience.

[0038] Those skilled in the art will understand that the features described in the various embodiments and / or claims of the present invention can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention can be combined or combined in various ways without departing from the spirit and teachings of the present invention. All such combinations and / or combinations fall within the scope of the present invention.

Claims

1. An electric chainsaw with a protective structure, comprising a chainsaw body (1), characterized in that, The chainsaw body (1) has a protective plate (2) on the operating side, and a connecting component (3) is provided on one side of the protective plate (2). The connecting component (3) is used for the assembly and disassembly of the protective plate (2). The chainsaw body (1) is provided with a limiting component (4) on one side, and an auxiliary component (5) is provided on one side of the limiting component (4). The auxiliary component (5) is used to assist in pulling the chainsaw body (1). The auxiliary component (5) includes two second fixing frames (51), with a limit cone (54) fixed at the bottom of the second fixing frame (51), and a guide rod (55) fixed on the inner side of the second fixing frame (51), and a horizontal plate (53) slidably connected to the outer side of the guide rod (55). A tension spring (52) is sleeved on the outside of the guide rod (55). The two ends of the tension spring (52) are respectively connected to one side of the second fixing frame (51) and the horizontal plate (53). A second connecting plate (56) is fixed at the bottom of the horizontal plate (53). The limiting component (4) includes a first fixing frame (41) and a first connecting plate (42). The first fixing frame (41) has an insertion groove (44) and a sliding groove (45) respectively on its inner side, and the first connecting plate (42) has a locking groove (43) on one side. The slide (45) is slidably connected to a slide plate (48), and a pull rod (46) and a locking rod (49) are fixed on both sides of the slide plate (48).

2. The electric chainsaw with a protective structure according to claim 1, characterized in that, The tops of the two second fixing brackets (51) are fixed together, and the second connecting plate (56) is rotatably connected to both sides of the first fixing bracket (41) by bearings.

3. An electric chainsaw with a protective structure according to claim 2, characterized in that, The bottom of the first connecting plate (42) is fixed to the top of the chainsaw body (1). When the locking rod (49) is inserted into the inside of the locking groove (43), the chainsaw body (1) is in the installed state. When the locking rod (49) leaves the inside of the locking groove (43), the chainsaw body (1) is in the disassembled state.

4. An electric chainsaw with a protective structure according to claim 3, characterized in that, The first connecting plate (42) is adapted to the inside of the insertion slot (44), and the pull rod (46) and the locking rod (49) respectively pass through the inside of the first fixing frame (41).

5. An electric chainsaw with a protective structure according to claim 4, characterized in that, A spring (47) is sleeved on the outside of the pull rod (46). The two ends of the spring (47) are respectively connected to one side of the slide groove (45) and the slide plate (48). A handle is fixed to one end of the pull rod (46).

6. An electric chainsaw with a protective structure according to claim 1, characterized in that, The connecting component (3) includes several connecting frames (31) and several limiting frames (32). A protrusion (33) is inserted into the inner side of the limiting frame (32), and several limiting rods (37) are fixed inside the connecting frame (31).

7. An electric chainsaw with a protective structure according to claim 6, characterized in that, One of the second fixing frames (51) is rotatably connected to a screw (34) on one side of its top. The bottom of the screw (34) is rotatably connected to a slider (38) via a bearing. The bottom of the slider (38) is fixed with a support rod (35).

8. An electric chainsaw with a protective structure according to claim 7, characterized in that, The limiting frame (32) is fixed to one side of the protective plate (2), the protrusion (33) is fixed to one side of the second fixing frame (51), and the slider (38) is slidably connected to one side of the second fixing frame (51) via a slide rail.

9. An electric chainsaw with a protective structure according to claim 8, characterized in that, The limiting frame (32) and the protrusion (33) are provided with a limiting groove (36) on one side. The limiting groove (36) is adapted to the inner side of the limiting rod (37). Several connecting frames (31) are fixed to each other. The bottom end of the support rod (35) is fixed to the top of the connecting frame (31).

10. An electric chainsaw with a protective structure according to claim 1, characterized in that, A guide plate (6) is installed on one side of the chainsaw body (1), and a chain (7) is wound around the outside of the guide plate (6). A battery pack (8) is installed on the side of the chainsaw body (1) away from the guide plate (6).

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