CN216541183U

CN216541183U - Energy-saving efficient reciprocating saw

Info

Publication number: CN216541183U
Application number: CN202123226540.6U
Authority: CN
Inventors: 王亮; 郑华平; 徐斌
Original assignee: Zhejiang Liangye Group Co ltd
Current assignee: Zhejiang Liangye Group Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-17
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an energy-saving efficient reciprocating saw, which relates to the technical field of reciprocating saws and comprises a shell and a hollow saw clamping rod, wherein a gear box is arranged in the shell, a main shaft is arranged in the gear box through a stabilizing frame, the surface of the main shaft is fixedly connected with a connecting plate, the end part of the hollow saw clamping rod is fixedly connected with a T-shaped connecting rod, a limiting groove is formed in the surface of the T-shaped connecting rod, a sliding part which is eccentrically arranged with the main shaft and is in sliding connection with the groove wall of the limiting groove is arranged on the surface of the connecting plate, the energy-saving efficient reciprocating saw also comprises a driving part for driving the main shaft to rotate, the sliding part comprises a fixing column which is eccentrically arranged with the main shaft and is fixedly connected to the surface of the connecting plate, a fixed shaft on the surface of the fixing column is rotatably connected with a cylinder, and the surface of the cylinder is in sliding connection with the groove wall of the limiting groove. The utility model has the advantages of effective output of larger torque through short-distance transmission, driving of the saw blade to reciprocate at high speed, energy saving, high efficiency, compact structure in the gear box, low production cost and high economic benefit.

Description

Energy-saving efficient reciprocating saw

Technical Field

The utility model relates to the technical field of reciprocating saws, in particular to an energy-saving and efficient reciprocating saw.

Background

The reciprocating saw is used for sawing metal plates, pipes and sections or cutting bevel on steel pipes, and can also be used for cutting cables or other non-metallic materials and the like.

The existing reciprocating saw generally comprises a machine shell, a motor, a transmission mechanism, a saw blade and the like, wherein the torque of the motor is converted into the linear reciprocating motion of the saw blade through the transmission mechanism to realize cutting, but most of the reciprocating saws have complicated internal transmission mechanism structures and low transmission efficiency, and the saw blade is difficult to be driven to reciprocate at high speed stably, so that the working efficiency is low.

Disclosure of Invention

The utility model aims to provide an energy-saving high-efficiency reciprocating saw which has the advantages that large torque can be effectively output through short-distance transmission, a saw blade is driven to reciprocate at a high speed, energy is saved, efficiency is high, the structure in a gear box is compact, the production cost is low, economic benefits are high, and the technical problems in the background art are solved.

In order to achieve the purpose, the utility model provides an energy-saving efficient reciprocating saw which comprises a shell and a hollow saw clamping rod, wherein a gear box is arranged in the shell, a main shaft is arranged in the gear box through a stabilizing frame, the surface of the main shaft is fixedly connected with a connecting plate, the end part of the hollow saw clamping rod is fixedly connected with a T-shaped connecting rod, the surface of the T-shaped connecting rod is provided with a limiting groove, and the surface of the connecting plate is provided with a sliding part which is eccentrically arranged with the main shaft and is in sliding connection with the groove wall of the limiting groove.

The device also comprises a driving part for driving the main shaft to rotate.

Optionally, the sliding part includes a fixed column which is eccentrically arranged with the main shaft and is fixedly connected to the surface of the connecting plate, a surface fixed shaft of the fixed column is rotatably connected with a cylinder, and the surface of the cylinder is slidably connected with the groove wall of the limit groove.

Optionally, the fixing frame comprises two bearings which are arranged in the gear box, and the main shaft penetrates through central holes of the two bearings and is fixedly connected with the hole walls of the two bearings.

Optionally, a balance block is fixedly connected to one side of the connecting plate, which is far away from the cylinder.

Optionally, the driving part comprises a bevel gear driven by a motor to rotate, and a bevel gear fixedly connected to the surface of the main shaft, and the bevel gear is in meshed connection with the bevel gear.

Optionally, a cover plate is fixedly mounted on the surface of the gear box through bolts.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the fixing column and the cylinder are driven to rotate together through the rotation of the main shaft and the transmission of the connecting plate and are pressed against the side wall of the limiting groove while sliding along the groove wall of the limiting groove, so that the T-shaped connecting rod is driven to do reciprocating motion, the T-shaped connecting rod is used for driving the hollow saw clamping rod to do reciprocating motion, and the saw blade is driven to move, so that a larger torque can be effectively output through short-distance transmission, the saw blade is driven to run in a reciprocating mode at a high speed, the energy is saved, the efficiency is high, the structure in the gear box is compact, the production cost is low, and the economic benefit is high.

And secondly, the friction force between the cylinder and the wall of the limiting groove is reduced through the rotating relation between the fixing column and the cylinder, so that the cylinder moves more smoothly.

The balance block and the T-shaped connecting rod move in opposite directions, the balance block can balance the inertia force of the T-shaped connecting rod in the reciprocating motion process, when the saw blade extends out, the balance block is close to the rear part of the gear box, when the saw blade retracts, the balance block is close to the front part of the gear box, the unbalanced force of the T-shaped connecting rod in the motion process is eliminated, and the components in the gear box can stably run, the vibration is greatly reduced, the operation is comfortable, and the cutting precision and the cutting efficiency are improved.

Drawings

FIG. 1 is an isometric view of a structure of the present invention;

FIG. 2 is an isometric view of a structure at the gearbox of the present invention;

FIG. 3 is a first perspective isometric view of a structure according to the present invention at a bevel gear;

fig. 4 is an isometric view from a second perspective of the inventive bevel gear arrangement.

In the figure: 1-shell, 2-hollow saw clamping rod, 3-gear box, 5-main shaft, 6-connecting plate, 7-T type connecting rod, 8-limiting groove, 9-fixing column, 10-cylinder, 11-bearing, 12-balancing block, 13-bevel gear, 14-bevel gear and 15-cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the embodiment provides an energy-saving and efficient reciprocating saw, which includes a housing 1 and a hollow saw clamping rod 2, wherein a gear box 3 is disposed in the housing 1, a spindle 5 is disposed in the gear box 3 through a stabilizing frame, a connecting plate 6 is fixedly connected to the surface of the spindle 5, a T-shaped connecting rod 7 is fixedly connected to the end of the hollow saw clamping rod 2, a limiting groove 8 is disposed on the surface of the T-shaped connecting rod 7, a sliding component which is eccentrically disposed with the spindle 5 and is slidably connected to the groove wall of the limiting groove 8 is disposed on the surface of the connecting plate 6, and a driving component for driving the spindle 5 to rotate is further included.

More specifically, in this embodiment, the driving part is operated to drive the main shaft 5 to rotate, the main shaft 5 rotates and is driven by the connecting plate 6 to drive the sliding part to rotate together and to be in sliding fit with the wall of the limiting groove 8, so as to drive the T-shaped connecting rod 7 to reciprocate, the T-shaped connecting rod 7 drives the hollow saw clamping rod 2 to reciprocate, and the large torque can be effectively output by driving the saw blade to move through short-distance transmission, so as to drive the saw blade to reciprocate at high speed, thereby saving energy and improving efficiency.

Further, in the present embodiment: the sliding part comprises a fixed column 9 which is eccentrically arranged with the main shaft 5 and is fixedly connected to the surface of the connecting plate 6, a cylinder 10 is rotatably connected to the surface of the fixed column 9 in a fixed shaft mode, and the surface of the cylinder 10 is in sliding connection with the groove wall of the limiting groove 8.

More specifically, in the present embodiment, the fixing column 9 and the cylinder 10 rotate together around the main shaft 5 as a center of circle and press against the sidewall of the limiting groove 8 while sliding along the groove wall, so as to drive the T-shaped connecting rod 7 to reciprocate.

In addition, in the embodiment, the friction force between the cylinder 10 and the groove wall of the limit groove 8 is reduced through the rotation relationship between the fixing column 9 and the cylinder 10, so that the movement is smoother.

Further, in the present embodiment: the stabilizing frame comprises two bearings 11 which are arranged in the gear box 3, and the main shaft 5 passes through the central holes of the two bearings 11 and is fixedly connected with the hole walls of the two bearings.

More specifically, in the present embodiment, the two bearings 11 are provided to ensure that the main shaft 5 can rotate continuously and stably, so as to avoid the position deviation thereof.

Further, in the present embodiment: a balance weight 12 is fixedly connected to one side of the connecting plate 6 far away from the cylinder 10.

More specifically, in this embodiment, the balance weight 12 and the T-shaped connecting rod 7 move in opposite directions, the balance weight 12 can balance the inertia force of the T-shaped connecting rod 7 in the reciprocating process, when the saw blade extends out, the balance weight 12 is close to the rear of the gear box 3, when the saw blade retracts, the balance weight 12 is close to the front of the gear box 3, the unbalanced force of the T-shaped connecting rod 7 in the movement is eliminated, the components in the gear box 3 can stably run and the vibration is greatly reduced when the components work, the operation is comfortable, and the cutting accuracy and efficiency are improved.

Further, in the present embodiment: the driving part comprises a bevel gear 13 driven by a motor to rotate, and a bevel gear 14 fixedly connected to the surface of the main shaft 5, wherein the bevel gear 13 is in meshed connection with the bevel gear 14.

More specifically, in the present embodiment, the bevel gear 13 is driven by the motor to rotate, and in the process, the bevel gear 14 and the main shaft 5 are driven to rotate synchronously via the meshing relationship between the bevel gear 13 and the bevel gear 14.

Further, in the present embodiment: the surface of the gear box 3 is fixedly provided with a cover plate 15 through bolts.

The working principle is as follows: when the energy-saving high-efficiency reciprocating saw is used, the bevel gear 13 is driven to rotate by the motor, the bevel gear 14 and the main shaft 5 are driven to synchronously rotate through the meshing relation between the bevel gear 13 and the bevel gear 14 in the process, the fixing column 9 and the cylinder 10 are driven to rotate together through the rotation of the main shaft 5 and the transmission of the connecting plate 6 and are pressed against the side wall of the limiting groove 8 while sliding along the groove wall of the limiting groove, so that the T-shaped connecting rod 7 is driven to do reciprocating motion, the hollow saw clamping rod 2 is driven to do reciprocating motion through the T-shaped connecting rod 7, and the saw blade is driven to move.

To sum up this application through the short-distance transmission, can effectively export great moment of torsion, drive the high-speed reciprocal operation of saw blade, energy-conserving high-efficient to compact structure in the gear box 3, low in production cost, economic benefits is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-conserving high-efficient reciprocating saw, includes casing (1) and hollow saw clamping rod (2), its characterized in that: a gear box (3) is arranged in the shell (1), a main shaft (5) is arranged in the gear box (3) through a stabilizing frame, a connecting plate (6) is fixedly connected to the surface of the main shaft (5), a T-shaped connecting rod (7) is fixedly connected to the end part of the hollow saw clamping rod (2), a limiting groove (8) is formed in the surface of the T-shaped connecting rod (7), and a sliding part which is eccentrically arranged with the main shaft (5) and is in sliding connection with the groove wall of the limiting groove (8) is arranged on the surface of the connecting plate (6);

the device also comprises a driving part for driving the main shaft (5) to rotate.

2. The energy efficient reciprocating saw of claim 1, wherein: the sliding part comprises a fixing column (9) which is eccentrically arranged with the main shaft (5) and is fixedly connected to the surface of the connecting plate (6), a cylinder (10) is rotatably connected to the surface of the fixing column (9) in a fixed shaft mode, and the surface of the cylinder (10) is in sliding connection with the groove wall of the limiting groove (8).

3. The energy efficient reciprocating saw of claim 1 or 2, wherein: the stabilizing frame comprises two bearings (11) which are arranged in the gear box (3), and the main shaft (5) penetrates through central holes of the two bearings (11) and is fixedly connected with the hole walls of the two bearings.

4. The energy efficient reciprocating saw of claim 2, wherein: and a balance block (12) is fixedly connected to one side of the connecting plate (6) far away from the cylinder (10).

5. The energy efficient reciprocating saw of claim 1, wherein: the driving part comprises a bevel gear (13) driven by a motor to rotate, and a bevel gear (14) fixedly connected to the surface of the main shaft (5), wherein the bevel gear (13) is in meshed connection with the bevel gear (14).

6. The energy efficient reciprocating saw of claim 1, wherein: and a cover plate (15) is fixedly arranged on the surface of the gear box (3) through bolts.