Novel trephine

Abstract

The utility model belongs to the technical field of trephine, and particularly relates to a novel trephine which comprises a trephine body, a trephine blade capable of cutting a wall is arranged at the front end of the trephine body, an engine and an oil tank are arranged at the rear end of the trephine body, the engine is connected with the oil tank and can drive the trephine blade to rotate, and a transmission assembly is arranged in the trephine body. The transmission assembly comprises a transmission rod connected with the engine and a rotating rod connected with the trephine blade, the transmission rod is in gear meshing connection with the rotating rod, the engine drives the transmission rod to rotate and can drive the trephine blade to rotate through the rotating rod, and the trephine is simple in structure and needs to be driven to work in a gasoline mode.

Description

Technical Field

[0001] The utility model belongs to the technical field of ring saws, in particular to a new type of ring saw. Background Art

[0002] A ring saw is a tool that can be used to cut walls. When some houses need to be renovated, the ring saw can cut the wall in just a few minutes. Currently, the ring saws on the market are usually electrically driven. Although the motor method has many advantages, some areas are relatively remote and the charging conditions are poor. It cannot meet the requirements of charging anytime and anywhere, and the power consumption of electric drive is very fast. When the user drives the ring saw to work at high performance for a long time, it is easy to run out of power halfway through the work. Therefore, there is a need for a ring saw driven by gasoline. Summary of the invention

[0003] The utility model aims to provide a ring saw which has a simple structure and is driven by gasoline.

[0004] The purpose of the utility model is achieved in this way:

[0005] A new type of ring saw comprises a ring saw body, a ring saw blade capable of cutting a wall is provided at the front end of the ring saw body, an engine and a fuel tank are provided at the rear end of the ring saw body, the engine is connected to the fuel tank and can drive the ring saw blade to rotate, a transmission assembly is provided inside the ring saw body, the transmission assembly comprises a transmission rod connected to the engine and a rotating rod connected to the ring saw blade, the transmission rod is meshed with the rotating rod gear, and the engine drives the transmission rod to rotate, which can drive the ring saw blade to rotate through the rotating rod.

[0006] Furthermore, a friction ring saw wheel is provided on the rotating rod, and the friction ring saw wheel is rotatably arranged at one end of the rotating rod. Driving the rotating rod to rotate can drive the friction ring saw wheel to rotate. A friction groove is opened on the friction ring saw wheel, and the friction ring saw wheel is frictionally connected to the ring saw blade through the friction groove.

[0007] Furthermore, a waist-shaped portion is provided at one end of the rotating rod, a waist-shaped hole is provided at one side of the friction ring saw wheel, and the friction ring saw wheel is connected to the waist-shaped portion through the waist-shaped hole and can rotate with the rotating rod.

[0008] Furthermore, the ring saw body is also provided with a left pressure wheel rotation adjustment and a right pressure wheel rotation adjustment, each of which has 2 groups. The rear end of the left pressure wheel rotation adjustment is provided with a tail knob, and the rear end of the right pressure wheel rotation adjustment is provided with an adjustment knob.

[0009] Furthermore, a sliding member is provided at the front end of the rotation adjustment of the right pressure wheel, a guiding portion is provided on the sliding member, an annular groove is provided on the ring saw blade, and the guiding portion is arranged in the annular groove.

[0010] Furthermore, a water pipe is provided on the trephine body, and a water pump connector and a water volume regulating valve are provided at the rear end of the water pipe.

[0011] Furthermore, a water spraying disc is fixedly provided on the trephine body, and the water spraying disc is arranged between the inner circles of the trephine blades.

[0012] Furthermore, upper and lower anti-splash plates are respectively provided at the upper and lower ends of the trephine body, and a guide wheel is further provided on the upper anti-splash plate.

[0013] Furthermore, a holding handle and an adjusting handle are provided on one side of the trephine body. A switch is provided on the holding handle, and a tightening member is provided on the adjusting handle. Adjusting the tightening member can control the rotation of the adjusting handle.

[0014] The prominent and beneficial technical effects of the present utility model compared with the prior art are as follows:

[0015] The present utility model is a novel trephine, including a trephine body. A trephine blade capable of cutting a wall is provided at the front end of the trephine body, and an engine and a fuel tank are provided at the rear end of the trephine body. The engine is connected to the fuel tank and can drive the trephine blade to rotate. A transmission assembly is provided inside the trephine body. The transmission assembly includes a transmission rod connected to the engine and a rotating rod connected to the trephine blade. The transmission rod and the rotating rod are connected by gear meshing. The engine drives the transmission rod to rotate, and the trephine blade can be driven to rotate through the rotating rod. Currently, the trephines on the market basically drive the trephine blade at the front end to rotate by an electric start method of an electric motor to cut the wall surface. When used in some remote rural areas, if the power supply is not prepared well and the power is insufficient, the trephine blade cannot continue to work. The present utility model is driven by an engine. By pulling the ignition switch and pressing the switch, the cutting operation can be carried out, replacing the traditional electric drive method, enabling it to maintain long-term cutting, not only with high cutting efficiency but also greatly extending the cutting working time, and can be continuously used in remote areas without charging conditions, being not restricted by the power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of the present utility model.

[0017] Figure 2 is an exploded view of the present utility model.

[0018] Figure 3 is a schematic view of the present utility model with part of the outer shell of the trephine body removed.

[0019] Figure 4 is a schematic view of the installation of the right pressure wheel rotation adjustment of the present utility model.

[0020] Figure 5 is a schematic view of the left pressure wheel rotation adjustment and the right pressure wheel rotation adjustment of the present utility model.

[0021] Figure 6 It is a schematic diagram of the annular saw blade, friction annular saw wheel and rotating rod of the present utility model.

[0022] Figure 7 It is a perspective view of the transmission component of the present utility model.

[0023] The meanings represented by the reference numerals in the figure are as follows:

[0024] 1 - annular saw main body; 2 - annular saw blade; 3 - engine; 4 - fuel tank; 5 - transmission component; 6 - transmission rod; 7 - rotating rod; 8 - friction annular saw wheel; 9 - friction groove; 10 - waist-shaped part;

[0025] 11 - waist-shaped hole; 12 - left press wheel rotation adjustment; 13 - right press wheel rotation adjustment; 14 - adjustment knob; 15 - sliding part; 16 - guiding part; 17 - annular groove; 18 - water pipe; 19 - water spraying disc; 20 - upper splash guard;

[0026] 21 - lower splash guard; 22 - guiding wheel; 23 - holding handle; 24 - adjustment handle; 25 - tail knob. Specific embodiments

[0027] The present utility model will be further described below in conjunction with specific embodiments:

[0028] A new type of annular saw includes an annular saw main body 1. The front end of the annular saw main body 1 is provided with an annular saw blade 2 capable of cutting a wall. The rear end of the annular saw main body 1 is provided with an engine 3 and a fuel tank 4. The engine 3 is connected to the fuel tank 4 and can drive the annular saw blade 2 to rotate. A transmission component 5 is arranged in the annular saw main body 1. The transmission component 5 includes a transmission rod 6 connected to the engine 3 and a rotating rod 7 connected to the annular saw blade 2. The transmission rod 6 and the rotating rod 7 are connected by gear meshing. The engine 3 drives the transmission rod 6 to rotate, and can drive the annular saw blade 2 to rotate through the rotating rod 7.

[0029] The utility model relates to a novel annular saw, which comprises an annular saw main body 1. A saw blade 2 capable of cutting a wall is arranged at the front end of the annular saw main body 1. An engine 3 and a fuel tank 4 are arranged at the rear end of the annular saw main body 1. The engine 3 is connected to the fuel tank 4 and can drive the saw blade 2 to rotate. A transmission assembly 5 is arranged inside the annular saw main body 1. The transmission assembly 5 comprises a transmission rod 6 connected to the engine 3 and a rotating rod 7 connected to the saw blade 2. The transmission rod 6 is in meshing connection with the rotating rod 7 through gears. The engine 3 drives the transmission rod 6 to rotate, and can drive the saw blade 2 to rotate through the rotating rod 7. At present, the annular saws on the market basically drive the saw blade 2 at the front end to rotate by means of electric starting of a motor to cut the wall surface. When used in some remote rural areas, if no power supply is prepared in advance, once the power is insufficient, the saw blade 2 cannot be driven to work continuously. The utility model is driven by the engine 3. By pulling the ignition switch and pressing the switch, the cutting operation can be carried out, replacing the traditional electric driving mode, enabling it to maintain long-time cutting, not only with high cutting efficiency, but also greatly extending the cutting working time, and can be continuously used in remote areas without charging conditions, being not restricted by the power supply.

[0030] Preferably, a friction annular saw wheel 8 is arranged on the rotating rod 7. The friction annular saw wheel 8 is rotatably arranged at one end of the rotating rod 7. Driving the rotating rod 7 to rotate can drive the friction annular saw wheel 8 to rotate. Friction grooves 9 are formed in the friction annular saw wheel 8. The friction annular saw wheel 8 is in friction connection with the saw blade 2 through the friction grooves 9. The utility model drives the connection of the saw blade 2 in a friction connection mode. In the past, too many were connected to the center point of the saw blade to drive the saw blade to rotate. The utility model adopts a friction connection. The rotating rod 7 rotates to drive the friction annular saw wheel 8 to rotate. Since the friction annular saw wheel 8 is in friction connection with the saw blade 2, the saw blade 2 will be driven by the friction annular saw wheel 8 to rotate together. Friction grooves 9 are formed in the friction annular saw wheel 8. The inner end of the saw blade 2 is in friction connection with the friction grooves 9, which can limit the position deviation of the saw blade 2 while driving it to rotate together.

[0031] Preferably, a waist-shaped part 10 is arranged at one end of the rotating rod 7. A waist-shaped hole 11 is arranged on one side of the friction annular saw wheel 8. The friction annular saw wheel 8 is connected to the waist-shaped part 10 through the waist-shaped hole 11 and can rotate along with the rotating rod 7, which can limit the position deviation of the friction annular saw wheel 8 while driving it to rotate synchronously through the waist-shaped hole 11.

[0032] Preferably, a left pressure wheel rotation adjustment 12 and a right pressure wheel rotation adjustment 13 are respectively arranged on the annular saw main body 1. Both the left pressure wheel rotation adjustment 12 and the right pressure wheel rotation adjustment 13 are in two groups. A tail knob 25 is arranged at the rear end of the left pressure wheel rotation adjustment 12. An adjustment knob 14 is arranged at the rear end of the right pressure wheel rotation adjustment 13. The right pressure wheel rotation adjustment 13 has the functions of positioning and limiting and guiding the saw blade. The left pressure wheel rotation adjustment 12 is an eccentric shaft structure. Adjusting the tail knob 25 has the functions of pressing and loosening the saw blade.

[0033] Preferably, a sliding member 15 is provided at the front end of the right pressing wheel rotation adjustment 13. A guiding portion 16 is provided on the sliding member 15. An annular groove 17 is provided on the annular saw blade 2, and the guiding portion 16 is disposed in the annular groove 17.

[0034] Preferably, a water pipe 18 is further provided on the annular saw main body 1. A water pump connector and a water volume regulating valve are provided at the rear end of the water pipe 18, so as to prevent the annular saw blade 2 from being damaged due to overheating during long-term operation of the annular saw main body 1, and cooling is achieved by continuously flushing through the water pipe 18.

[0035] Preferably, a water spraying disc 19 is further fixedly provided on the annular saw main body 1. The water spraying disc 19 is disposed between the inner circles of the annular saw blades 2, and the water in the water pipe 18 will continuously spray onto the water spraying disc 19 to cool the annular saw blade 2.

[0036] Preferably, an upper splash-proof plate 20 and a lower splash-proof plate 21 are respectively provided at the upper and lower ends of the annular saw main body 1. A guiding wheel 22 is further provided on the upper splash-proof plate 20. The upper splash-proof plate 20 and the lower splash-proof plate 21 are used to block and prevent water from splashing onto people.

[0037] Preferably, a holding handle 23 and an adjusting handle 24 are further provided on one side of the annular saw main body 1. A switch is provided on the holding handle 23, and a tightening member is provided on the adjusting handle 24. Adjusting the tightening member can control the rotation of the adjusting handle 24.

[0038] The above embodiments are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A novel ring saw, comprising a ring saw body (1), characterized in that: The front end of the ring saw body (1) is provided with a ring saw blade (2) capable of cutting a wall, and the rear end of the ring saw body (1) is provided with an engine (3) and a fuel tank (4); the engine (3) is connected to the fuel tank (4) and can drive the ring saw blade (2) to rotate; a transmission assembly (5) is provided inside the ring saw body (1); the transmission assembly (5) comprises a transmission rod (6) connected to the engine (3) and a rotating rod (7) connected to the ring saw blade (2); the transmission rod (6) and the rotating rod (7) are gear-engaged with each other, and the engine (3) drives the transmission rod (6) to rotate, thereby driving the ring saw blade (2) to rotate through the rotating rod (7).

2. A novel ring saw according to claim 1, characterized in that: The rotating rod (7) is provided with a friction ring saw wheel (8), which is rotatably arranged at one end of the rotating rod (7). The rotating rod (7) is driven to rotate so as to drive the friction ring saw wheel (8) to rotate. The friction ring saw wheel (8) is provided with a friction groove (9), and the friction ring saw wheel (8) is frictionally connected to the ring saw blade (2) via the friction groove (9).

3. A novel ring saw according to claim 2, characterized in that: A waist-shaped portion (10) is provided at one end of the rotating rod (7), a waist-shaped hole (11) is provided at one side of the friction ring saw wheel (8), and the friction ring saw wheel (8) is connected to the waist-shaped portion (10) through the waist-shaped hole (11) and can rotate with the rotating rod (7).

4. A novel ring saw according to claim 1, characterized in that: The ring saw body (1) is also provided with a left pressure wheel rotation adjustment (12) and a right pressure wheel rotation adjustment (13), each of which is composed of two groups. The rear end of the left pressure wheel rotation adjustment (12) is provided with a tail knob (25), and the rear end of the right pressure wheel rotation adjustment (13) is provided with an adjustment knob (14).

5. A novel ring saw according to claim 4, characterized in that: A sliding member (15) is provided at the front end of the right pressure wheel rotary adjustment (13), a guide portion (16) is provided on the sliding member (15), an annular groove (17) is provided on the annular saw blade (2), and the guide portion (16) is arranged in the annular groove (17).

6. A novel ring saw according to claim 1, characterized in that: The ring saw body (1) is also provided with a water pipe (18), and the rear end of the water pipe (18) is provided with a water pump connector and a water volume regulating valve.

7. A novel ring saw according to claim 1, characterized in that: The ring saw body (1) is also fixedly provided with a water spray disc (19), and the water spray disc (19) is arranged between the inner circles of the ring saw blade (2).

8. A novel ring saw according to claim 7, characterized in that: An upper splash plate (20) and a lower splash plate (21) are respectively provided at the upper and lower ends of the ring saw body (1), and guide wheels (22) are also provided on the upper splash plate (20) and the lower splash plate (21).

9. A novel ring saw according to claim 1, characterized in that: A gripping handle (23) and an adjusting handle (24) are also provided on one side of the ring saw body (1); a switch is provided on the gripping handle (23); and an elastic member is provided on the adjusting handle (24); and the adjusting handle (24) can be adjusted to control the rotation of the adjusting handle (24).

Images