Anti-deviation reciprocating saw

Abstract

The utility model relates to the technical field of reciprocating saws and discloses an anti-deviation reciprocating saw which comprises a reciprocating saw shell, a reciprocating driving shaft is movably inserted into the output end of the reciprocating saw shell, a saw blade is fixedly connected to the outer end of the reciprocating driving shaft, and a water spray nozzle is fixedly connected to the side, facing the saw blade, of the outer wall of the reciprocating saw shell. The water spraying nozzle is connected with the high-pressure water supply kettle through the water conveying pipe, dust generated by settling saw cutting is adsorbed through sprayed water mist, the influence on the saw cutting operation visual field is reduced, saw cutting path deviation is effectively prevented, water is sprayed to the saw blade, the temperature of the saw cutting position of the saw blade can be reduced, and therefore the saw blade is protected against high-temperature damage, and the service life of the saw blade is prolonged. And meanwhile, proper cooling is also beneficial to reducing high-temperature damage to the wood and the plastic during saw cutting, and the quality and the attractiveness of the wood and the plastic after saw cutting are guaranteed. In addition, water is sprayed, so that the saw blade is lubricated, friction is reduced, the saw cutting efficiency is improved, and the machining quality and precision are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reciprocating saws, in particular to an anti-deviation reciprocating saw. Background Art

[0002] A reciprocating saw is a cutting tool used to cut a workpiece. A reciprocating saw generally includes a reciprocating rod that can be driven to reciprocate at high speed within a preset range, and can be connected to a working accessory such as a saw blade to cut the workpiece.

[0003] When using a reciprocating saw for cutting operations, the operator must carefully control the cutting path to ensure the accuracy and quality of the cut. However, during the cutting process, sawdust and dust will be stirred up, and these tiny particles will become suspended in the air, causing a certain degree of interference with the operator's vision. Due to the obstructed vision, the operator may not be able to clearly see the cutting path, resulting in deviations in the cutting direction and position. This deviation may reduce the accuracy of the cutting and may even cause cutting errors, affecting the overall cutting effect and work efficiency. Therefore, when performing a reciprocating saw cutting operation, it is very important to take appropriate protective measures and cleanup measures to ensure that the operator can clearly observe the cutting path, thereby improving the accuracy and safety of the cutting. To this end, we propose an anti-deviation reciprocating saw. Utility Model Content

[0004] The purpose of the present utility model is to solve the problem that sawdust and dust will be raised during the cutting process. These tiny particles will be suspended in the air, causing a certain interference with the operator's vision. Due to the obstructed vision, the operator may not be able to clearly see the cutting path, resulting in deviations in the cutting direction and position. This deviation may reduce the accuracy of the cutting and may even cause cutting errors, affecting the overall cutting effect and work efficiency. Therefore, when performing a reciprocating saw cutting operation, it is very important to take appropriate protective measures and cleaning measures to ensure that the operator can clearly observe the cutting path, thereby improving the accuracy and safety of the cutting. The utility model provides a reciprocating saw with anti-deviation.

[0005] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0006] A reciprocating saw that prevents deviation includes a reciprocating saw shell, a reciprocating drive shaft is movably connected to the output end of the reciprocating saw shell, and a saw blade is fixedly connected to the outer end of the reciprocating drive shaft, a water nozzle is fixedly connected to the outer wall of the reciprocating saw shell facing the saw blade, and the water nozzle is connected to a high-pressure water supply kettle through a water pipe.

[0007] Furthermore, an eccentric transmission wheel is rotatably connected to the middle part of the inner cavity of the reciprocating saw shell, and a drive motor is buried in the inner cavity of the reciprocating saw shell near the handle side, the output shaft of the drive motor is driven by the convex teeth on the side edge of the eccentric transmission wheel through gears, and the inner end of the reciprocating drive shaft is fixedly connected to a translation guide seat, the translation guide seat at the inner end of the reciprocating drive shaft is sleeved on the side eccentric column of the eccentric transmission wheel, and the eccentric transmission wheel slides in the translation guide seat of the reciprocating drive shaft in a vertical direction relative to the reciprocating drive shaft.

[0008] Furthermore, the middle part of the reciprocating drive shaft is movably connected with a matching sleeve, and the matching sleeve is buried in the inner cavity of the reciprocating saw shell. The outer wall of the matching sleeve is spirally wound with a spiral heat exchange tube, and the two ends of the spiral heat exchange tube are respectively connected to the water nozzle and the water pipe.

[0009] Furthermore, the high-pressure water supply kettle is a barrel-shaped container with a pressurizing mechanism provided at the upper end, and the outer end of the water pipe passes through the high-pressure water supply kettle and extends toward the bottom of the inner cavity of the high-pressure water supply kettle.

[0010] Furthermore, the pressurizing mechanism includes a pressurizing cylinder, and a piston rod is movably connected to the upper end of the pressurizing cylinder, and an airtight piston is fixedly connected to the bottom of the piston rod, and the airtight piston is movably inserted downward into the inner cavity of the pressurizing cylinder, an air inlet channel is opened in the center of the piston rod and the airtight piston, and an air outlet is opened at the bottom of the pressurizing cylinder, and a one-way air valve is provided at the air outlet of the pressurizing cylinder and the bottom of the air inlet channel of the piston rod.

[0011] Furthermore, the upper end of the piston rod is fixedly connected to an operating handle, and the outer wall of the operating handle is provided with anti-slip convex patterns.

[0012] Furthermore, a plurality of annular grooves are provided at equal intervals in the middle of the outer wall of the airtight piston, and a sliding sealing ring is sleeved and fixed in the annular groove.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model is provided with a reciprocating saw housing, which drives the saw blade to move back and forth by driving a reciprocating drive shaft to achieve sawing. The water nozzle and high-pressure water supply pot are provided. The high-pressure water supply pot delivers clean water to the water nozzle through a water pipe and sprays it onto the sawing position of the saw blade. The sprayed water mist absorbs and settles dust generated by sawing, reducing the impact on the sawing operation field of view and effectively preventing the sawing path from deviating. Spraying water on the saw blade can also reduce the temperature of the sawing position of the saw blade, thereby protecting the saw blade from high temperature damage and extending its service life. At the same time, proper cooling can also help reduce high-temperature damage to wood and plastic when sawing, ensuring the quality and aesthetics of the wood and plastic after sawing. In addition, sprinkling water can also help lubricate the saw blade, reduce friction, and improve sawing efficiency, thereby improving processing quality and precision.

[0015] 2. The utility model is provided with a matching sleeve, which can guide the reciprocating movement of the reciprocating drive shaft. Through the spiral heat exchange tube, the clean water transported to the water nozzle can cool the matching sleeve through the spiral heat exchange tube, thereby reducing the high temperature caused by the reciprocating movement of the reciprocating drive shaft in the matching sleeve and improving the service life of the matching sleeve.

[0016] 3. The utility model is provided with a high-pressure water supply kettle, and the pressure in the inner cavity of the high-pressure water supply kettle can be increased in advance through the pressurizing mechanism, so that the clean water in the high-pressure water supply kettle is squeezed into the bottom of the water pipe, and then sprayed out through the water nozzle in atomization. The structure is simple and light, and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a front sectional view of the utility model;

[0019] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 This utility model Figure 2 Enlarged view of point B in the middle.

[0021] Figure numerals: 1. Reciprocating saw housing; 2. Driving motor; 3. Eccentric transmission wheel; 4. Reciprocating drive shaft; 5. Matching sleeve; 6. Saw blade; 7. Water nozzle; 8. High-pressure water supply kettle; 9. Spiral heat exchange tube; 10. Pressurizing cylinder; 11. Piston rod; 12. Airtight piston; 13. One-way air valve; 14. Operating handle; 15. Water pipe. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0023] See also Figure 1 - Figure 4 The utility model provides a reciprocating saw that prevents deviation, including a reciprocating saw housing 1, a reciprocating drive shaft 4 is movably connected to the output end of the reciprocating saw housing 1, and a saw blade 6 is fixedly connected to the outer end of the reciprocating drive shaft 4, and a water nozzle 7 is fixedly connected to the outer wall of the reciprocating saw housing 1 facing the saw blade 6, and the water nozzle 7 is connected to a high-pressure water supply pot 8 through a water pipe 15.

[0024] In this embodiment, preferably, an eccentric transmission wheel 3 is rotatably connected to the middle part of the inner cavity of the reciprocating saw shell 1, and a driving motor 2 is buried in the inner cavity of the reciprocating saw shell 1 near the handle side, and the output shaft of the driving motor 2 is meshed with the convex teeth on the side edge of the eccentric transmission wheel 3 through a gear for transmission, and the inner end of the reciprocating drive shaft 4 is fixedly connected to a translation guide seat, and the translation guide seat at the inner end of the reciprocating drive shaft 4 is sleeved on the side eccentric column of the eccentric transmission wheel 3, and the eccentric transmission wheel 3 slides in the translation guide seat of the reciprocating drive shaft 4 in the vertical direction relative to the reciprocating drive shaft 4; through the set drive motor 2, the drive motor 2 drives the eccentric transmission wheel 3 to rotate, and the eccentric column of the eccentric transmission wheel 3 rotates with the eccentric transmission wheel 3, driving the reciprocating drive shaft 4 to move back and forth along the vertical direction, driving the saw blade 6 to move back and forth, and realizing the sawing operation.

[0025] In this embodiment, preferably, the middle part of the reciprocating drive shaft 4 is movably connected with a matching sleeve 5, and the matching sleeve 5 is buried in the inner cavity of the reciprocating saw shell 1, and the outer wall of the matching sleeve 5 is spirally wound with a spiral heat exchange tube 9, and the two ends of the spiral heat exchange tube 9 are respectively connected with the water nozzle 7 and the water pipe 15; through the setting of the matching sleeve 5, the matching sleeve 5 can guide the reciprocating movement of the reciprocating drive shaft 4, and through the setting of the spiral heat exchange tube 9, the clean water transported to the water nozzle 7 can cool the matching sleeve 5 through the spiral heat exchange tube 9, thereby reducing the high temperature caused by the reciprocating movement of the reciprocating drive shaft 4 in the matching sleeve 5, and improving the service life of the matching sleeve 5.

[0026] In this embodiment, preferably, the high-pressure water supply kettle 8 is a barrel-shaped container with a pressurizing mechanism provided at the upper end, and the outer end of the water pipe 15 passes through the high-pressure water supply kettle 8 and extends toward the bottom of the inner cavity of the high-pressure water supply kettle 8; through the high-pressure water supply kettle 8, the pressure in the inner cavity of the high-pressure water supply kettle 8 can be increased in advance through the pressurizing mechanism, thereby squeezing the clean water in the high-pressure water supply kettle 8 into the bottom of the water pipe 15, and then sprayed out through the water nozzle 7 in atomization. The structure is simple and light, and easy to use.

[0027] In this embodiment, preferably, the pressurizing mechanism includes a pressurizing cylinder 10, and a piston rod 11 is movably connected to the upper end of the pressurizing cylinder 10, and an airtight piston 12 is fixedly connected to the bottom of the piston rod 11, and the airtight piston 12 is movably connected to the inner cavity of the pressurizing cylinder 10 downward, an air inlet channel is provided in the center of the piston rod 11 and the airtight piston 12, and an air outlet is provided at the bottom of the pressurizing cylinder 10, and a one-way air valve 13 is provided at the bottom of the air outlet of the pressurizing cylinder 10 and the air inlet channel of the piston rod 11; by setting The pressurizing cylinder 10 and the piston rod 11, the piston rod 11 can move up and down under the manual operation of the user, pulling the piston up and down in the inner cavity of the pressurizing cylinder 10, through the one-way air supply valve 13 provided, the one-way air supply valve 13 on the piston rod 11 is one-way air intake, and the one-way air supply valve 13 at the bottom of the high-pressure water supply kettle 8 is one-way exhaust. When the piston rod 11 is lifted, air is inhaled through the air intake channel, and when the piston rod 11 is pressed down, the inhaled air is pressed into the inner cavity of the high-pressure water supply kettle 8. The structure is simple and reliable, and the operation is convenient.

[0028] In this embodiment, preferably, an operating handle 14 is fixedly connected to the upper end of the piston rod 11, and an outer wall of the operating handle 14 is provided with anti-slip ridges; through the provided operating handle 14, the operating handle 14 can be easily held and operated by an operator.

[0029] In this embodiment, preferably, a plurality of annular grooves are provided at equal intervals in the middle of the outer wall of the airtight piston 12, and a sliding sealing ring is fixed in the annular groove; the sliding sealing ring is provided to ensure the sealing effect of the piston rod 11 sliding up and down, thereby ensuring the pressurization effect.

[0030] The working principle and usage process of the present invention are as follows: When the device is in use, the reciprocating saw housing 1 is provided, and the reciprocating saw housing 1 drives the saw blade 6 to move back and forth by driving the reciprocating drive shaft 4 to achieve sawing. The water nozzle 7 and the high-pressure water supply pot 8 are provided. The high-pressure water supply pot 8 supplies clean water to the water nozzle 7 through the water pipe 15 and sprays it onto the sawing position of the saw blade 6. The sprayed water can soak the saw kerf of the saw blade 6, effectively preventing dust from being raised during sawing, reducing the impact on the sawing operation field of view, and effectively preventing the sawing path from deviating, ensuring a clean operating environment and protecting the health of the operator. Spraying water on the saw blade 6 can also reduce the temperature of the sawing position of the saw blade 6, thereby protecting the saw blade 6 from high temperature damage and extending its service life. At the same time, proper cooling can also help reduce high-temperature damage to wood and plastic when sawing, ensuring the quality and aesthetics of the wood and plastic after sawing. In addition, sprinkling water helps lubricate the saw blade 6, reduce friction, and improve sawing efficiency, thereby improving processing quality and precision.

[0031] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A reciprocating saw with an anti-deviation function, comprising a reciprocating saw housing (1), a reciprocating drive shaft (4) being movably connected to an output end of the reciprocating saw housing (1), and a saw blade (6) being fixedly connected to an outer end of the reciprocating drive shaft (4), characterized in that: A water nozzle (7) is fixedly connected to the outer wall of the reciprocating saw housing (1) on the side facing the saw blade (6), and the water nozzle (7) is connected to a high-pressure water supply pot (8) via a water pipe (15).

2. The anti-deviation reciprocating saw according to claim 1, characterized in that: An eccentric transmission wheel (3) is rotatably connected to the middle of the inner cavity of the reciprocating saw housing (1), and a driving motor (2) is buried in the inner cavity of the reciprocating saw housing (1) near the handle. The output shaft of the driving motor (2) is meshed with the convex teeth on the side edge of the eccentric transmission wheel (3) through a gear, and the inner end of the reciprocating drive shaft (4) is fixedly connected to a translation guide seat. The translation guide seat at the inner end of the reciprocating drive shaft (4) is sleeved on the eccentric column on the side of the eccentric transmission wheel (3), and the eccentric transmission wheel (3) slides in the translation guide seat of the reciprocating drive shaft (4) in a vertical direction relative to the reciprocating drive shaft (4).

3. The anti-deviation reciprocating saw according to claim 1, characterized in that: The middle part of the reciprocating drive shaft (4) is movably sleeved with a matching sleeve (5), and the matching sleeve (5) is buried in the inner cavity of the reciprocating saw housing (1). A spiral heat exchange tube (9) is spirally wound around the outer wall of the matching sleeve (5), and the two ends of the spiral heat exchange tube (9) are respectively connected to the water nozzle (7) and the water pipe (15).

4. The anti-deviation reciprocating saw according to claim 1, characterized in that: The high-pressure water supply kettle (8) is a barrel-shaped container with a pressurizing mechanism provided at the upper end, and the outer end of the water delivery pipe (15) passes through the high-pressure water supply kettle (8) and extends toward the bottom of the inner cavity of the high-pressure water supply kettle (8).

5. The anti-deviation reciprocating saw according to claim 4, characterized in that: The pressurizing mechanism includes a pressurizing cylinder (10), and a piston rod (11) is movably connected to the upper end of the pressurizing cylinder (10), and the bottom of the piston rod (11) is fixedly connected to an airtight piston (12), and the airtight piston (12) is movably connected downward to the inner cavity of the pressurizing cylinder (10), an air inlet channel is provided in the center of the piston rod (11) and the airtight piston (12), and an air outlet is provided at the bottom of the pressurizing cylinder (10), and a one-way air supply valve (13) is provided at the air outlet of the pressurizing cylinder (10) and the bottom of the air inlet channel of the airtight piston (12).

6. The anti-deviation reciprocating saw according to claim 5, characterized in that: The upper end of the piston rod (11) is fixedly connected to an operating handle (14), and the outer wall of the operating handle (14) is provided with anti-slip convex patterns.

7. The anti-deviation reciprocating saw according to claim 5, characterized in that: The middle portion of the outer wall of the airtight piston (12) is provided with a plurality of annular grooves at equal intervals, and a sliding sealing ring is sleeved and fixed in the annular groove.

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