Electric saw with movable protection structure

Abstract

The utility model discloses an electric saw with a movable protective structure, which comprises an electric saw shell, a movable saw dust baffle for blocking saw dust splashing during wood sawing is arranged at the bottom of the electric saw shell through a hinge seat, and after the electric saw is used, the movable saw dust baffle is used for blocking the saw dust splashing during wood sawing. A metal strip at one end of the movable saw dust baffle can be matched with a magnetic block at the bottom of a shell of the electric saw shell in a magnetic attraction mode so that the movable saw dust baffle can be fixed, a protection plate is matched with side protection plates with the two sides extending towards the two ends, side face protection is conducted on the chain saw blade, the side protection plates extend to the front side and the rear side of the electric saw shell, and the protection range is wide. The combined angle moving protection frame can cover key sawing parts, flexibly adapt to different sawing angles and guarantee real-time and effective protection, a movable saw dust baffle is arranged at the bottom of the electric saw shell and connected through a hinge base, saw dust is prevented from splashing during use, and the movable saw dust baffle can be folded and attached to the bottom of the electric saw shell when not used and fixed through magnetic attraction of a magnetic block. The trouble of saw dust is effectively solved, and the safety of operators is comprehensively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric saws, and particularly relates to an electric saw with a movable protection structure. BACKGROUND

[0002] An electric saw is a cutting tool that uses electricity as power to cut wood, stone and steel, etc. and has sharp teeth on the edge. It is divided into hand fixed type and hand held type, and the saw blade is generally made of tool steel and has various shapes such as round, strip and chain. With the development of social science and technology, people's requirements for electric saws are also getting higher and higher. As the efficiency of electric saws is getting higher and higher and the rotating speed is getting faster and faster, the protection device of the electric saw is an indispensable part. However, the protection effect of general hardware electric saws on the market is general and not ideal. A large amount of debris will be generated during the cutting process of the electric saw, which can easily cause harm to the human body. At the same time, it is inconvenient for people to use and reduces the work progress.

[0003] Therefore, the utility model discloses a kind of hardware electric saw with the announcement number "CN211052718U", including electric saw shell, the bottom of the electric saw shell is fixedly connected with collection box shell, the side of the collection box shell is fixedly connected with collection port, the inner top wall of the collection box shell is fixedly connected with fan body, the inner side wall of the collection box shell is movably connected with pulley, the side of the pulley is fixedly connected with collection box, the side of the collection box is fixedly connected with handle, the front of the electric saw shell is provided with heat dissipation groove, the side of the electric saw shell is fixedly connected with handle, the top of the electric saw shell is fixedly connected with handrail, the outer wall of the handrail is movably connected with movable sleeve. The hardware electric saw reaches the purpose that the protection effect of hardware electric saw is good, thereby solve the problem that the protection effect of general hardware electric saw is not good, so that people are more at ease and at peace when using hardware electric saw, thereby improve the work efficiency of people, bring convenience to people's life.

[0004] However, for the above-mentioned hardware electric saw, although the saw blade starts to work, the debris generated during the cutting process of the saw blade will be thrown into the collection port by inertia, and then the debris will be sucked into the collection box by the fan body. In the use process, the following more obvious defects still exist: the saw blade of the above-mentioned electric saw is easy to be rolled into the saw blade rotating area and cause direct impact on the saw blade because small stones and metal particles are scattered around the sawing site, which can cause the problem of damage to the saw teeth and cause the phenomenon of local damage and scrap of the saw blade. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an electric saw with a movable protection structure to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: A portable electric saw of protection structure, including

[0007] The electric saw shell body is provided with a movable sawdust baffle for blocking sawdust splashing during sawing of wood on the bottom of the shell body through a hinge seat, and a metal strip at one end of the movable sawdust baffle can be magnetically attracted to the magnetic block on the bottom of the shell body of the electric saw to fix the movable sawdust baffle after use of the electric saw.

[0008] The lower end surface of the protection plate is provided with side guards extending to both ends for side protection of the chain saw blade of the electric saw shell body, the side guards extend to the front and rear sides of the shell body of the electric saw, and the inner side of each side guard is provided with a connecting pin shaft connected to the outside of the electric saw shell body and moving along with the electric saw during sawing.

[0009] Preferably, a nylon chain plate is installed on one side of the electric saw shell body through a fixed shaft, nylon chain wheels are rotatably arranged at both ends of the inner side of the nylon chain plate, a servo motor is installed at one end of the nylon chain plate inside the electric saw shell body through a partition plate, sawdust, dust and other impurities are prevented from entering the motor to affect its performance, and the motor is stably driven.

[0010] Preferably, vertical plates are fixed at both ends of the fixed shaft inside the electric saw shell body, and both ends of the vertical plates are fixed to the two inner walls inside the electric saw shell body, so that the vertical plates can withstand large forces during sawing to ensure stable sawing and reduce sawing deviation caused by part shaking.

[0011] Preferably, a chain saw blade is transmissionally connected between the nylon chain wheels rotatably arranged at both ends of the inner side of the nylon chain plate, sawing pieces are installed at equal intervals on the chain saw blade, a belt pulley A is installed at one end of the rotating shaft of the nylon chain wheel, a belt pulley B is installed on the rotating shaft of the servo motor, and the belt pulley B is transmissionally connected with the belt pulley A through a belt, so that the power of the servo motor can be accurately transmitted to the nylon chain wheel to drive the chain saw blade to stably operate, and it is also convenient to maintain and replace parts.

[0012] Preferably, the protection plate and the side guard plate are combined to form an angle moving protection frame and are connected to the outside of the combination of the nylon chain plate, the nylon chain wheel and the sawing piece, and the slot at one end of the angle moving protection frame is movably connected to the front and rear surfaces outside the electric saw shell body through the connecting pin shaft, so that the angle moving protection frame can flexibly adapt to the operation requirements of different angles during sawing to ensure real-time effectiveness of protection.

[0013] Preferably, the front end face of the electric saw shell is uniformly provided with positioning insertion holes around the circumference of the connecting pin shaft joint, and the positioning insertion rod movably inserted into the positioning insertion holes on one side of the bottom of the protective plate is inserted into the side guard plate, and the angle movement of the protection frame is prevented by positioning, and the operator can conveniently fix the protection frame at a suitable angle, so that the protection frame maintains a stable protection state when it does not need to follow the angle movement, and the protection reliability is enhanced.

[0014] Preferably, the front end face of the electric saw shell is uniformly provided with positioning insertion holes around the circumference of the connecting pin shaft joint, and the positioning insertion rod movably inserted into the positioning insertion holes on one side of the bottom of the protective plate is inserted into the side guard plate, and the angle movement of the protection frame is prevented by positioning, and the operator can conveniently fix the protection frame at a suitable angle, so that the protection frame maintains a stable protection state when it does not need to follow the angle movement, and the protection reliability is enhanced.

[0015] Preferably, the hinge seat is fixed on one side of the lower end face of the electric saw shell, and the movable sawdust baffle is movably connected to the hinge seat through a pin shaft, and the movable sawdust baffle is not used to be folded and attached to the bottom of the electric saw shell and is magnetically fixed by a magnetic block, which solves the problem of sawdust splashing and improves the protection ability of the operator in all directions.

[0016] Compared with the prior art, the technical effects and advantages of the electric saw with a movable protection structure are as follows: the electric saw with a movable protection structure is provided with a protective plate and two side guards extending to both ends to protect the chain saw blade from the side, the side guards extend to the front and rear sides of the electric saw shell, and the protection range is wide; the angle movement protection frame formed by combination can cover the key sawing components, and can adapt to different sawing angles, so that the protection is real-time and effective, the bottom of the electric saw shell is provided with a movable sawdust baffle connected through a hinge seat, which blocks the sawdust when in use, and can be folded and attached to the bottom of the electric saw shell when not in use, and is magnetically fixed by a magnetic block, so that the problem of sawdust is solved, and the safety of the operator is ensured in all directions.

[0017] A nylon chain plate is installed on one side of the electric saw shell, a partition plate is used to separate the servo motor from other areas, sawdust, dust and other impurities are prevented from entering the motor, the performance of the motor is stable, the motor can be continuously and stably driven, the positioning insertion rod on the protection plate cooperates with the positioning insertion hole in the front end face of the electric saw shell, and the operator can easily fix the angle movement protection frame at a suitable angle, so that the protection state is stable when the angle movement is not needed, and the protection reliability is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the utility model is shown in the figure;

[0019] Figure 2 The first state structure of the utility model is shown in the figure;

[0020] Figure 3 The second state structure of the utility model is shown in the figure;

[0021] Figure 4 is a third state structure schematic view of the utility model;

[0022] Figure 5 is a protective plate overhead structure schematic view of the utility model;

[0023] Figure 6 is a nylon chain plate overhead structure schematic view of the utility model.

[0024] In the figure: 1, electric saw shell; 2, movable sawdust baffle; 3, magnetic block; 4, hinge seat; 5, protective plate; 6, side guard; 7, connecting pin shaft; 8, positioning plug rod; 9, nylon chain plate; 10, nylon chain wheel; 11, servo motor; 12, vertical plate; 14, chain saw blade; 15, sawing piece; 16, positioning jack; 17, limiting block; 18, magnetic sheet; 19, pulley A; 20, pulley B. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of electric saw of movable protective structure, comprising:

[0027] The electric saw shell 1, as the main body frame of the entire electric saw, provides a mounting base and a containing space for the internal motor, transmission components, and external protective structure, etc., integrates various components together, and makes up a complete electric saw device. The bottom of the electric saw shell 1 is provided with a movable sawdust baffle 2 for blocking sawdust splashing during wood sawing through a hinge seat 4. The movable sawdust baffle 2 can block sawdust splashing during wood sawing. A large amount of sawdust is generated during wood sawing, and the splashing sawdust not only dirties the working environment and reduces the sawdust cleaning work, but also protects the operator from the interference of sawdust and reduces the risk of inhaling harmful dust. After the electric saw is used, the metal strip at one end of the movable sawdust baffle 2 can be magnetically attracted to the magnetic block 3 at the bottom of the electric saw shell 1 to fix the movable sawdust baffle 2. After the electric saw is used, the metal strip at one end of the movable sawdust baffle 2 is magnetically attracted to fix the movable sawdust baffle 2 at the bottom of the electric saw shell 1, which is convenient for storing the movable sawdust baffle 2 and makes the electric saw more regular in appearance when it is idle or transported. The baffle is prevented from being damaged by random shaking and knocking, and the baffle is also prevented from being lost. The hinge seat 4, as an active connection component, connects the movable sawdust baffle 2 with the bottom of the electric saw shell 1, so that the movable sawdust baffle 2 can rotate around it to realize opening and closing actions. The hinge seat 4 provides a stable and flexible rotating fulcrum for the movable sawdust baffle 2 to ensure smooth opening and closing of the baffle. When protection is needed, the baffle can be quickly unfolded in place, and when protection is not needed, the baffle can be smoothly folded and stored.

[0028] The protective plate 5 is provided with side guards 6 on both sides of the lower end face for side protection of the electric saw chain blade 4 and extending to both ends. The two combined to form an angle moving protective frame, covering the combination of the nylon chain plate 9, the nylon sprocket 10 and the sawing piece 15 from the outside, protecting the sawing components from multiple directions such as the side and the top. The sawing chain runs at high speed and is extremely dangerous if it touches foreign objects or the human body. The protective frame can reduce such risks. The side guards 6 extend to the front and rear sides of the electric saw shell 1. The inner side of the side guards 6 is provided with a connecting pin shaft 7 connected to the outside of the electric saw shell 1 and moving with the sawing action. The side guards 6 are connected to the outside of the electric saw shell 1, so that the angle moving protective frame formed by the protective plate 5 and the side guards 6 can move at an angle around the connecting pin shaft 7. The side guards 6 are provided with a positioning plug 8 for plugging and positioning after the side guards 6 move at an angle. The positioning plug 8 cooperates with the positioning plug hole 16 at the front end of the electric saw shell 1 to position the angle moving protective frame and prevent it from moving at an angle.

[0029] The nylon chain plate 9 is installed in one side of the electric saw shell 1 through a fixed shaft, serves as a mounting carrier of the chain saw blade 14, provides support and guidance for the rotating operation of the chain saw blade 14, ensures stable circulation operation of the chain saw blade 14, rotating nylon chain wheels 10 are arranged at both ends of the inner side of the nylon chain plate 9, cooperate with the nylon chain plate 9, are installed at both ends of the chain saw blade 14, drive the chain saw blade 14 to circulate through rotation, realize the action of sawing wood, one end of the nylon chain plate 9 and inside the electric saw shell 1 is installed with a servo motor 11 through a partition plate, serves as a power source, provides driving force for the rotation of the nylon chain wheel 10 and the chain saw blade 14, converts electric energy into mechanical energy, drives the sawing part to operate, the servo motor 11 can accurately control the rotating speed and torque, flexibly adjusts the output power according to the sawing requirement, ensures the sawing efficiency and quality, and is more energy-saving and stable than the ordinary motor.

[0030] The fixed shaft in the electric saw shell 1 penetrates through the vertical plate 12 at both ends, and the vertical plate 12 is fixed on the two inner walls inside the electric saw shell 1 at both ends, is fixed in the electric saw shell 1, is used for supporting the fixed shaft, enhances the stability of the fixed shaft in the shell, and further guarantees the stable installation of the nylon chain plate 9, the nylon chain wheel 10 and other components, makes the core components of the whole sawing transmission system more firmly installed, reduces shaking and vibration during operation, improves the working reliability of the electric saw, and prolongs the service life of the components.

[0031] The chain saw blade 14 is transmissionally connected between the nylon chain wheels 10 rotating at both ends of the nylon chain plate 9, directly contacts with wood, is cut by the sawing piece 15 through high-speed circulation movement, and is a key component for realizing the sawing function of the electric saw, the chain type design can flexibly adapt to wood of different shapes and sizes, has high cutting precision, and cooperates with the power system to efficiently complete the wood processing task, the sawing pieces 15 are installed at equal intervals on the chain saw blade 14, are installed on the chain saw blade 14, and are parts actually executing the sawing action, cut into wood by virtue of sharp edges, and gradually separate the wood, a belt pulley A 19 is installed at one end of the rotating shaft of the nylon chain wheel 10, a belt pulley B 20 is installed on the rotating shaft of the servo motor 11, the belt pulley B 20 is in transmission connection with the belt pulley A 19 through a belt, the belt pulley A 19 is installed at one end of the rotating shaft of the nylon chain wheel 10, the belt pulley B 20 is installed on the rotating shaft of the servo motor 11, and the two are connected through the belt, realize the transmission of motor power to the chain wheel, and drive the chain wheel and the chain saw blade 14 to rotate.

[0032] The protective plate 5 and the side guard 6 combine to form an angle moving protective frame, which covers the combination of the nylon chain plate 9, the nylon chain wheel 10 and the sawing piece 15 outside, and the slotted end of the angle moving protective frame is movably connected to the front and rear of the electric saw shell 1 through the connecting pin shaft 7. The front end surface of the electric saw shell 1 is uniformly provided with a positioning hole 16 around the connecting pin shaft 7, which cooperates with the positioning rod 8 to provide a positioning point for the angle moving protective frame formed by the protective plate 5 and the side guard 6, and to determine the position of the protective frame when it does not follow the angle movement. The positioning rod 8 movably inserted into the positioning hole 16 of the side guard 6 on one side of the bottom of the protective plate 5 is inserted into the positioning hole 16 to position the angle moving protective frame when it does not follow the angle movement.

[0033] The bottom side of the front end surface of the electric saw shell 1 is provided with a limiting block 17 for limiting and supporting the bottom side of one end of the side guard 6, which limits and supports the bottom side of one end of the side guard 6 to prevent the side guard 6 from swinging downward excessively, maintains the position of the side guard 6 stable, guarantees the regularity of the overall structure of the protective frame, avoids the abnormal position of the side guard 6 affecting the protection effect or causing parts to collide and damage, and the end of the limiting block 17 is embedded with a magnetic sheet 18 magnetically connected with the lower end of the side guard 6. The end of the limiting block 17 is embedded and magnetically connected with the lower end of the side guard 6 to assist in fixing the position of the side guard 6 and further enhance the stability of the side guard 6 after being limited, prevent the side guard 6 from being separated from the limiting position due to slight shaking and vibration, improve the overall stability of the protection structure, and the hinge seat 4 is fixed on one side of the lower end surface of the electric saw shell 1, and the movable sawdust baffle 2 is movably connected to the hinge seat 4 through the pin shaft. The movable sawdust baffle 2 is not used to fold and fit on the bottom of the electric saw shell 1 and is magnetically fixed through the magnetic block 3.

[0034] Specifically, in use, when the electric saw works to cut wood, the movable sawdust baffle 2 connected to the bottom of the electric saw shell 1 through the hinge seat 4 will be unfolded to block the sawdust from splashing and to avoid dirtying the environment and reducing the harmful dust inhaled by the operator. After the electric saw is used, the metal strip at one end of the movable sawdust baffle 2 is magnetically attracted by the magnetic block 3 at the bottom of the shell of the electric saw shell 1, so that the baffle is stored in place, facilitating idle or transportation. The angle moving protection frame is formed by the protective plate 5 and the side protection plate 6, which covers the outside of the combination of the nylon chain plate 9, the nylon chain wheel 10 and the sawing piece 15. During sawing, the connecting pin shaft 7 allows the protection frame to move at an angle with the sawing action as the shaft, adapting to the sawing process. When not moving at an angle, the positioning plug rod 8 on the side protection plate 6 is inserted into the positioning plug hole 16 on the front end face of the electric saw shell 1 for positioning. At the same time, the limiting block 17 supports the bottom side of one end of the side protection plate 6, and the magnetic sheet 18 magnetically attracts the lower end of the side protection plate 6 to maintain the stability of the protection frame. The servo motor 11 serves as a power source and is installed on the partition plate in the electric saw shell 1. The belt pulley B20 of the motor shaft is connected in transmission with the belt pulley A19 at one end of the shaft of the nylon chain wheel 10 through a belt, converting electrical energy into mechanical energy to drive the nylon chain wheel 10 to rotate. The nylon chain wheel 10 is installed on the inner side of both ends of the nylon chain plate 9, and the two cooperate to drive the chain saw blade 14 to move in a cycle. The sawing piece 15 on the chain saw blade 14 cuts wood with a sharp edge, adapting to different shapes and sizes of wood to complete the sawing task.

[0035] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A portable guard structure's electric saw, characterized in that, Include: Electric saw shell (1), the shell bottom of electric saw shell (1) is provided with movable sawdust baffle (2) for blocking sawdust in wood sawing by hinge seat (4), after electric saw is used, one end of movable sawdust baffle (2) can be magnetically attracted with the magnetic block (3) of electric saw shell (1) shell bottom, to make movable sawdust baffle (2) fixed; Guard plate (5), the lower end surface of the guard plate (5) is provided with side guard plate (6) for protecting chain saw blade of electric saw shell (1) from side and extending to both ends, the side guard plate (6) extends to the front and rear sides of the electric saw shell (1) housing, the inner side of the side guard plate (6) is provided with a connecting pin shaft (7) connected to the outside of the electric saw shell (1) and moved during sawing, the side guard plate (6) is provided with a positioning plug rod (8) for inserting and positioning the side guard plate (6) after angle following movement.

2. A portable guard structure electric saw according to claim 1, characterized in that: The electric saw shell (1) is provided with a nylon chain plate (9) on one side through a fixed shaft, and the inner side of the nylon chain plate (9) is provided with a nylon chain wheel (10) rotatably arranged at both ends, and the nylon chain plate (9) is provided with a servo motor (11) at one end inside the electric saw shell (1) through a provided partition.

3. A portable guard structure electric saw according to claim 1, characterized in that: The fixed shaft in the electric saw shell (1) is provided with a vertical plate (12) penetrating through both ends, and both ends of the vertical plate (12) are fixed on the two inner walls inside the electric saw shell (1).

4. A portable guard structure electric saw according to claim 2, characterized in that: The chain saw blade (14) is transmission connected between the nylon chain wheels (10) rotatably arranged at both ends of the nylon chain plate (9), the chain saw blade (14) is provided with sawing pieces (15) at equal intervals, the rotating shaft of the nylon chain wheel (10) is provided with a belt pulley A (19) at one end, the rotating shaft of the servo motor (11) is provided with a belt pulley B (20), and the belt pulley B (20) is transmission connected with the belt pulley A (19) through a belt.

5. A portable guard structure electric saw according to claim 4, characterized in that: The guard plate (5) and the side guard plate (6) are combined to form an angle moving protection frame and are connected to the outside of the combination of the nylon chain plate (9), the nylon chain wheel (10) and the sawing piece (15), and the slotted end of the angle moving protection frame is movably connected to the front and rear of the electric saw shell (1) through the connecting pin shaft (7).

6. A portable guard structure electric saw according to claim 5, characterized in that: The outer front end surface of the electric saw shell (1) is provided with a positioning insertion hole (16) uniformly around the connecting pin shaft (7) connection, and the positioning plug rod (8) movably inserted into the positioning insertion hole (16) of the side guard plate (6) on one side of the bottom of the guard plate (5) is positioned to prevent the angle moving protection frame from following the angle movement.

7. The electric saw of a movable protective structure according to claim 1, characterized in that: The electric saw shell (1) is provided with a limiting block (17) at the bottom side of the front end surface for limiting and supporting the bottom side of one end of the side guard plate (6), and the end of the limiting block (17) is embedded with a magnetic sheet (18) magnetically connected with the lower end of the side guard plate (6).

8. The electric saw of a movable protective structure according to claim 1, characterized in that: The hinge seat (4) is fixed on one side of the lower end surface of the electric saw shell (1), and the movable sawdust baffle (2) is movably connected to the hinge seat (4) through a pin shaft, and the movable sawdust baffle (2) is not used to fold and fit on the bottom of the electric saw shell (1) and is magnetically fixed by the magnetic block (3).

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