CN212552041U

CN212552041U - Multifunctional rotary saw

Info

Publication number: CN212552041U
Application number: CN202020471496.1U
Authority: CN
Inventors: 尉锋; 吴叶萏
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Hangzhou Lige Industrial Design Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-02-19
Anticipated expiration: 2030-04-02

Abstract

A multifunctional rotary saw relates to the field of hand tools. At present, most common manual saws are fixed, and a saw blade and a handle are fixed and cannot be adjusted in angle. The utility model discloses a saw sword, handle and be used for connecting the connecting piece of saw sword and handle, the both sides of saw sword be equipped with two kinds of sawtooth commonly used, saw sword and connecting piece between for dismantling fixed connection, handle and saw sword between or be rotatable coupling structure between handle and the connecting piece, the rotatory back of handle, realize through the retaining member and the connecting piece between locking fixed. This technical scheme can be convenient realize the operation of two kinds of sawtooth according to actual need, need not change the saw sword, through adjustment handle's angle and locking fixed back, can conveniently realize the angle modulation that the saw was drawn, and it is more convenient to operate, and work efficiency is better.

Description

Multifunctional rotary saw

Technical Field

The utility model relates to a hand tool field especially relates to a multi-functional rotatory saw.

Background

At present, common manual saw is fixed mostly, it is fixed between saw sword and the handle, but angle regulation, need to change the occasion that the saw drawn the angle and speed slowly to some, and the station that needs the people changes and draws the operation with the adaptation saw, it is very inconvenient to operate, two kinds of serrated knives of thickness that the saw was most commonly used when drawing the operation need manual dismantlement change, it is inconvenient to change, when the sawtooth is dull, need carry the file gerar in addition, when needing to measure the marking off, need carry the ruler in addition again, the instrument is many, it is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model and the technical task who provides are perfect and improve prior art scheme, provide multi-functional rotatory saw to convenient operation and promotion work efficiency are the purpose. Therefore, the utility model adopts the following technical scheme.

Multifunctional rotary saw, including saw sword, handle and be used for connecting the connecting piece of saw sword and handle, the both sides of saw sword be equipped with two kinds of sawtooth commonly used, saw sword and connecting piece between for dismantling fixed connection, handle and saw sword between or be rotatable coupling structure between handle and the connecting piece, the rotatory back of handle, realize through the retaining member and the connecting piece between the locking fixed. According to the operation of two kinds of sawtooth that can be convenient realization according to actual need, need not change the saw sword, through adjustment handle's angle and locking fixed back, can conveniently realize the angle modulation that the saw pulled, it is more convenient to operate, and work efficiency is better.

As a further improvement and supplement to the above technical solution, the present invention further comprises the following additional technical features.

The middle of the saw blade is provided with a linear through marking groove, and one side or two sides of the marking groove are provided with length scales. Through the scales and the marking grooves, the proxy ruler can be used for conveniently measuring and marking.

The tail part of the handle is provided with 2 extractable files so as to realize the repair of 2 types of sawteeth on the saw blade during blunt filing. The repair of 2 kinds of sawteeth can be directly carried out when the repair is needed on site.

The connecting piece comprises a left cover and a right cover which are circular, the left cover and the right cover are respectively arranged on the left side and the right side of the tail of the saw blade, and the connecting piece is fastened with the saw blade through a plurality of bolts. The connecting and fixing structure is stable, reliable, simple and convenient.

The tail of the saw blade is provided with a connecting shaft, the head of the handle is provided with a connecting sleeve, the connecting sleeve is sleeved on the connecting shaft and is in running fit, and the left cover and the right cover are coaxial with the connecting sleeve and the connecting shaft. The rotatable connecting structure is simple and reliable.

The middle of the connecting shaft is provided with a circular through hole, and the middle of the left cover and the right cover is provided with an axial circular hole matched with the periphery of the connecting shaft. Effectively saves the use of materials and reduces the weight of the tool.

The retaining member is arranged on the left cover and/or the right cover, and the retaining member is a rotary locking button. The rotary locking mode has simple structure and convenient operation.

The bolts are 3 in number and are respectively fixed on the tail of the saw knife at intervals of 90 degrees. The fixed locking position is uniform, and the stability is high.

The maximum rotatable angle range of the handle is 70-100 degrees. The range of the rotation adjusting angle is large, and the standing position change of a human body can be effectively replaced.

The saw blade is made of SK5 high manganese carbon steel. SK5 high-manganese carbon steel is adopted, the knife edge is sharp, and the cut is flat.

Has the advantages that: the sawing and pulling operation of 2 different common sawteeth can be conveniently realized, the selection can be carried out according to the actual requirement, and the saw blade does not need to be replaced; the sawing angle can be conveniently adjusted by rotating and fixing the handle, and particularly sawing operation can be carried out at places where the standing position cannot be adjusted, so that the sawing machine is more convenient and the sawing speed is high; the scale and the marking groove are arranged, so that the measurement and marking are convenient; 2 kinds of tooth trimming files are arranged, so that tooth trimming is convenient and rapid; by adopting SK5 high-manganese carbon steel, the damage to the tangent plane of the operation object is reduced, the sawing speed is high, the sawing effect is good, multiple functions are effectively realized, and the operation is quick and convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the blasting of the present invention.

In the figure: 1-sawing; 2-a handle; 3-left cover; 4-file; 5-rotating the locking button; 6-right cover; 7-bolt; 101-saw teeth; 102-scribing a groove; 103-scale; 104-a connecting shaft; 201-connecting sleeve.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, the multifunctional rotary saw comprises a saw blade 1, a handle 2 and a connecting member for connecting the saw blade 1 and the handle 2, wherein two common saw teeth 101 are arranged on two sides of the saw blade 1, the saw blade 1 and the connecting member are detachably and fixedly connected, the handle 2 and the saw blade 1 are in a rotatable connection structure, and the handle 2 is locked and fixed with the connecting member through the locking member after rotating.

In order to facilitate measurement and scribing, a straight line-shaped through scribing groove 102 is arranged in the middle of the saw blade 1, and length scales 103 are arranged on one side or two sides of the scribing groove 102. Through the scale 103 and the scribing groove 102, the ruler can be conveniently used for measuring and scribing.

In order to facilitate the field repair of the 2 kinds of saw teeth 101 of the saw blade 1, the tail part of the handle 2 is provided with 2 extractable files 4, so that the 2 kinds of saw teeth 101 on the saw blade 1 can be repaired during blunt filing. The repair of 2 kinds of the serrations 101 can be directly performed when needed on site.

In order to realize a reliable connection structure, the connecting piece comprises a round left cover 3 and a round right cover 6 which are respectively arranged at the left side and the right side of the tail of the saw blade 1 and are fastened with the saw blade 1 through 3 bolts 7. The connecting and fixing structure is stable, reliable, simple and convenient.

In order to make the rotating structure simple and reliable, the tail part of the saw blade 1 is provided with a connecting shaft 104, the head part of the handle 2 is provided with a connecting sleeve 201, the connecting sleeve 201 is sleeved on the connecting shaft 104 and is in rotating fit, and the left cover 3 and the right cover 6 are coaxial with the connecting sleeve 201 and the connecting shaft 104. The rotatable connecting structure is simple and reliable.

In order to reduce the weight of the tool, a circular through hole is arranged in the middle of the connecting shaft 104, and an axial circular hole matched with the periphery of the connecting shaft 104 is arranged in the middle of the left cover 3 and the right cover 6. Effectively save the use of material, reduce the weight of instrument, reduce cost.

In order to ensure that the locking is firmly and reliably fixed, locking parts are arranged on the left cover 3 and the right cover 6, and the locking parts are rotary locking buttons 5. The left side and the right side are locked and fixed, the locking device is firm and reliable, the structure is simple in a rotary locking mode, the operation is convenient, and the reliability is high.

In order to achieve better stability and reliability, 3 bolts 7 are respectively fixed to the blade tail of the saw blade 1 at intervals of 90 degrees. The fixed locking position is even, and stability is high, and the reliability is better.

In order to achieve a large angular range of rotational adjustment, the maximum angle of rotation of the handle 2 is 90 degrees. The range of the rotation adjusting angle is large, and the standing position change of a human body can be effectively replaced.

In order to realize better sawing effect, SK5 high manganese carbon steel is adopted as the material of the saw blade 1. SK5 high-manganese carbon steel is adopted, the knife edge is sharp, the cut is smooth, and the sawing effect is good.

When the saw is used for sawing, firstly, the saw teeth 101 on one side of the saw blade 1 are selected according to a sawing object, then the handle 2 is adjusted to a proper angle, the locking button 5 is locked and rotated, then the saw is cut, when the saw teeth 101 on the other side need to be replaced, the saw teeth 101 on the other side can be used for sawing, and before the saw is cut, the angle of the handle 2 is adjusted according to actual requirements; when the sawing object needs to be measured and scribed, scribing is measured through the scales 103 and the scribing grooves 102; when the saw teeth 101 are filed blunt, the file 4 corresponding to the saw teeth 101 is pulled out from the tail of the handle 2 for repair. The operation is simple and convenient, the maintenance is convenient, the sawing speed is high, and various functions are conveniently realized.

The multifunctional rotary saw shown in fig. 1-2 is a specific embodiment of the present invention, and it has embodied the substantial features and advantages of the present invention, and can be modified in the aspects of shape, structure, etc. according to the practical needs of use, all within the scope of protection of the present solution.

Claims

1. Multi-functional rotatory saw, including saw sword (1), handle (2) and be used for connecting the connecting piece of saw sword (1) and handle (2), its characterized in that: the both sides of saw sword (1) be equipped with two kinds of sawtooth (101) commonly used, saw sword (1) and connecting piece between for dismantling fixed connection, handle (2) and saw sword (1) between or be rotatable coupling structure between handle (2) and the connecting piece, handle (2) rotatory back, realize through the retaining member and the connecting piece between the locking fixed.

2. The multi-function rotary saw of claim 1, wherein: the middle of the saw blade (1) is provided with a linear through marking groove (102), and one side or two sides of the marking groove (102) are provided with length scales (103).

3. The multi-function rotary saw of claim 1, wherein: the tail part of the handle (2) is provided with 2 extractable files (4) so as to repair 2 kinds of saw teeth (101) on the saw (1) during blunt filing.

4. The multi-function rotary saw of claim 1, wherein: the connecting piece include circular shape left side lid (3) and right side lid (6), locate the left side and the right side of saw sword (1) sword tail respectively to realize through many bolts (7) with the fastening between saw sword (1).

5. The multi-function rotary saw of claim 4, wherein: the tail of the saw blade (1) is provided with a connecting shaft (104), the head of the handle (2) is provided with a connecting sleeve (201), the connecting sleeve (201) is sleeved on the connecting shaft (104) and is in running fit, and the left cover (3) and the right cover (6) are coaxial with the connecting sleeve (201) and the connecting shaft (104).

6. The multi-function rotary saw of claim 5, wherein: the middle of the connecting shaft (104) is provided with a circular through hole, and the middle of the left cover (3) and the right cover (6) is provided with an axial circular hole matched with the periphery of the connecting shaft (104).

7. The multi-function rotary saw of claim 4, wherein: the retaining member locate left side lid (3) and/or right side lid (6) on, the retaining member is rotation locking button (5).

8. The multi-function rotary saw of claim 4, wherein: the number of the bolts (7) is 3, and the bolts are respectively fixed at the tail of the saw blade (1) at intervals of 90 degrees.

9. The multi-function rotary saw of claim 1, wherein: the maximum rotatable angle range of the handle (2) is 70-100 degrees.

10. The multi-function rotary saw of claim 1, wherein: the material of the saw blade (1) adopts SK5 high manganese carbon steel.