CN210587452U

CN210587452U - Reciprocating saw for cutting off round steel

Info

Publication number: CN210587452U
Application number: CN201921309254.6U
Authority: CN
Inventors: 戚士华
Original assignee: Yangzhou Forest Auto Parts Co Ltd
Current assignee: Yangzhou Forest Auto Parts Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-22
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a cut round steel and use reciprocating saw, including reciprocating saw main part, motor, conical gear, saw blade, backup plate and control switch, the right side surface of reciprocating saw main part is connected with control switch, the reciprocating saw main part is close to the first fixed block of left top surface mounting, and the front and the back of first fixed block all are connected with folding handle, spacing chamber has been seted up to the back inside of first fixed block, and has seted up on the positive top in spacing chamber and place the chamber, the inside butt in spacing chamber has first stopper, the positive top butt of first stopper has the ejector pad, and the top of ejector pad is connected with the spacer pin. The utility model discloses a be provided with first grip block, first spring and centre gripping lid, can effectively alleviate the vibrations that the saw blade brought when cutting the round steel, and the device is through being provided with folding handle, first stopper and spacing chamber, enables more accurate that the user grasped the cutting of round steel.

Description

Reciprocating saw for cutting off round steel

Technical Field

The utility model relates to a reciprocating saw technical field specifically is a cut round steel and use reciprocating saw.

Background

The electric reciprocating saw is one kind of electric saw, which is an electric tool for sawing with reciprocating saw blade and is generally used for sawing pipes, profiles, cables or other non-metal materials and also for cutting steel materials.

Present partial reciprocating saw is because the saw blade is the direct contact round steel in the use, and the higher round steel of some intensity may be more hard when the cutting, can arouse the strong shake of saw blade, if do not handle, continue to use, the saw blade can break up absolutely, and the cutting of round steel a bit, the required precision is higher, need the experienced old workman to carry out manual cutting, and present partial reciprocating saw grips and only holds the reciprocating saw front end, the workman of being not convenient for is to reciprocating saw's control, can't effectively promote the workman to reciprocating saw's nature controlled, the workman of being not convenient for is to the precision cutting of round steel, and consequently, need to cut the round steel and solve above-mentioned problem with reciprocating saw urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cut round steel and use reciprocating saw to solve the current partial reciprocating saw who proposes in the above-mentioned background art and do not have the anti-shake function, and current partial reciprocating saw grips the problem that can not improve the nature controlled.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cut round steel and use reciprocating saw, includes reciprocating saw main part, motor, bevel gear, saw blade, backup plate and control switch, the right side surface connection of reciprocating saw main part has control switch, the reciprocating saw main part is close to left top external surface fixed first fixed block, and the front and the back of first fixed block all are connected with folding handle, spacing chamber has been seted up to the inside of the back of first fixed block, and the positive top in spacing chamber has seted up and has placed the chamber, the inside butt joint in spacing chamber has first stopper, the positive top butt of first stopper has the ejector pad, and the top of ejector pad is connected with the spacer pin, the surface of spacer pin has cup jointed the second spring, the top inner wall of reciprocating saw main part is fixed with the motor, and the output of motor is connected with bevel gear, bevel gear's front meshing has the master gear, and the positive central point department fixedly connected with eccentric wheel of master gear, the left side of eccentric wheel openly articulates there is the second connecting rod, and the left side of second connecting rod articulates there is the connector, the left side of connector is connected with the saw blade, the left side surface of reciprocating saw main part is connected with the backup plate, and the left side surface of backup plate is connected with first connecting block, and the left side of first connecting block is connected with the centre gripping lid, the top fixedly connected with head rod of centre gripping lid, and the top of head rod is connected with the second connecting block, the left side surface at the backup plate is connected on the right side of second connecting block, one side butt joint that the inside of centre gripping lid is close to the saw blade has first grip block, and one side that the saw blade was kept away from to first grip block is connected with first spring, the inner wall at the centre gripping lid is.

Preferably, the tooth block gap of the conical gear is the same as the tooth block gap of the main gear.

Preferably, the left side surface of the backup plate is provided with a groove, the right side shape of the first connecting block is fixed with a convex block, the surface shape of the convex block on the right side of the first connecting block is the same as the inner shape of the groove on the left side of the backup plate, the convex block on the right side of the first connecting block can be inserted into the backup plate, and the first connecting block and the backup plate form a sliding structure.

Preferably, four sets of first clamping blocks are arranged, and the four sets of first clamping blocks are abutted to the front surface and the back surface of the saw blade respectively.

Preferably, the spacer pin runs through the top surface of first fixed block and is connected with the ejector pad, and the top of ejector pad is connected with the second spring, and the one end of second spring is connected and is being placed chamber top inner wall, elastic construction can be constituteed to spacer pin, second spring and ejector pad.

Preferably, the output end of the control switch is electrically connected with the input end of the motor through a lead.

Compared with the prior art, the beneficial effects of the utility model are that: this cut round steel with reciprocating saw is through being provided with first grip block, first spring and centre gripping lid, can effectively alleviate the vibrations that the saw blade brought when cutting the round steel, reduces the saw blade and collapses disconnected possibility, and the device is through being provided with folding handle, first stopper and spacing chamber, enables more accurate that the user grasped the cutting of round steel.

(1) The device is through being provided with first grip block, first spring and centre gripping lid, when cutting the operation to the round steel, first grip block can the butt at the left and right sides surface of saw blade, through the elastic action of first spring, can effectively slow down the produced vibrations of saw blade when cutting the round steel, reduces the saw blade and collapses disconnected possibility.

(2) The device is through being provided with folding handle, first stopper and spacing chamber, the accessible presses down the spacer pin and makes the folding handle of being connected with first stopper leave inside first fixed block when cutting the round steel to can open folding handle, open completely when folding handle, the accessible bolt is fixed folding handle open position, then handheld folding handle cuts the round steel, can increase the user to reciprocating saw main part control effect, makes the cutting of saw blade to the round steel more accurate.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic left sectional view of the structure of the clamping cover of the present invention;

FIG. 3 is a schematic left sectional view of the folding grip of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.

In the figure: 1. a reciprocating saw body; 2. a motor; 3. a bevel gear; 4. a main gear; 5. an eccentric wheel; 6. a connector; 7. a saw blade; 8. a backup plate; 9. a clamping cover; 10. a first connection block; 11. a first connecting rod; 12. a second connecting block; 13. a first clamping block; 14. a first spring; 15. folding the grip; 16. a first fixed block; 17. a first stopper; 18. a spacing pin; 19. a second spring; 20. a push block; 21. a limiting cavity; 22. a placement chamber; 23. a control switch; 24. a second connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a cut round steel and use reciprocating saw, includes reciprocating saw main part 1, motor 2, bevel gear 3, saw blade 7, backup plate 8 and control switch 23, and the right side surface of reciprocating saw main part 1 is connected with control switch 23, and control switch 23's output carries out the electricity through wire and motor 2 input and connects, and reciprocating saw main part 1 is close to left top surface mounting first fixed block 16.

The front and the back of the first fixed block 16 are both connected with a folding handle 15, the bottom end of the folding handle 15 is hinged on the bottom end surface of the reciprocating saw main body 1, a limit cavity 21 is arranged inside the back of the first fixed block 16, and the top end of the front surface of the limit cavity 21 is provided with a placing cavity 22, the interior of the limit cavity 21 is abutted with a first limit block 17, the top end of the front surface of the first limit block 17 is abutted with a push block 20, and the top end of the push block 20 is connected with a limit pin 18, the limit pin 18 penetrates through the top end surface of the first fixed block 16 to be connected with the push block 20, the top end of the push block 20 is connected with a second spring 19, one end of the second spring 19 is connected with the inner wall of the top end of the placing cavity 22, the limit pin 18, the second spring 19 and the push block 20 can form an elastic structure, the first limiting block 17 and the limiting cavity 21 are clamped and loosened more conveniently by forming an elastic structure, and the surface of the limiting pin 18 is sleeved with the second spring 19.

The top end inner wall of the reciprocating saw main body 1 is fixed with a motor 2, the model of the motor 2 is IHSS57-36-20, the output end of the motor 2 is connected with a bevel gear 3, the tooth gap size of the bevel gear 3 is the same as that of a main gear 4, the same tooth gap size can prevent the bevel gear 3 from generating tooth sliding during transmission, power loss can be reduced, the main gear 4 is meshed with the front side of the bevel gear 3, an eccentric wheel 5 is fixedly connected at the center position of the front side of the main gear 4, and a second connecting rod 24 is hinged to the front side of the left side of the eccentric wheel 5.

The left side of the second connecting rod 24 is hinged with a connecting head 6, the left side of the connecting head 6 is connected with a saw blade 7, the left side surface of the reciprocating saw main body 1 is connected with a backup plate 8, the left side surface of the backup plate 8 is provided with a groove, the right side shape and size of the first connecting block 10 are fixed with a convex block, the surface shape and size of the right side convex block of the first connecting block 10 are the same as the inner shape and size of the left side groove of the backup plate 8, the right side convex block of the first connecting block 10 can be inserted in the backup plate 8, the first connecting block 10 and the backup plate 8 form a sliding structure, the disassembly and assembly of the first connecting block 10 are more convenient by forming the sliding structure, the left side surface of the backup plate 8 is connected with the first connecting block 10, the left side of the first connecting block 10 is connected with a clamping cover 9, the top end of the clamping cover 9 is fixedly connected with a first connecting, the left surface at backup plate 8 is connected on the right side of second connecting block 12, one side butt that the inside of centre gripping lid 9 is close to saw blade 7 has first grip block 13, first grip block 13 is provided with four groups, and the first grip block 13 of four groups butt respectively at the front and the back of saw blade 7, through being provided with the first grip block 13 of four groups, can effectively slow down the shake that saw blade 7 brought when carrying out cutting work, and one side that saw blade 7 was kept away from to first grip block 13 is connected with first spring 14, first spring 14 is fixed at the inner wall of centre gripping lid 9.

The working principle is as follows: the device is powered by an external power supply, when in use, firstly, a first connecting block 10 slides in from the upper part of a second connecting block 12 on the left side surface of a backup plate 8, so that a first clamping block 13 in a clamping cover 9 just abuts against a saw blade 7, then the first connecting block 10 is fixed through a bolt, then the second connecting block 12 is fixed through the bolt, the connection tightness of the first connecting block 10 and the second connecting block 12 is checked, then heat conducting oil is smeared on the first clamping block 13, meanwhile, a limit pin 18 is pressed to enable a push block 20 to push a first limit block 17 out of a placing cavity 22, so that the first limit block 17 can be separated from the inside of the limit cavity 21, further, the folding handle 15 can be opened, after the folding handle 15 is completely opened, the position where the folding handle 15 is opened can be fixed through the bolt, then the folding handle 15 can be held by hand, so that the saw blade 7 is aligned with round steel, a control switch 23 is opened, the bevel gear 3 through the output end of the motor 2 drives the main gear 4 to rotate, thereby enabling the eccentric wheel 5 fixed on the front side of the main gear 4 to rotate, then the connector 6 can be driven to do reciprocating motion through the eccentric wheel 5 through the second connecting rod 24, thereby enabling the saw blade 7 to unfold the cutting work for the round steel, the handheld folding handle 15 can increase the control degree of a user to the device, the user can cut the round steel more accurately, meanwhile, the saw blade 7 is clamped through the first clamping block 13 inside the clamping cover 9, the shake generated when the saw blade 7 is cut for the round steel can be effectively relieved, the shake generated by the saw blade 7 can be resolved to the maximum degree through the elastic action of the first spring 14, and further the possibility that the saw blade 7 is broken can be reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a cut round steel and use reciprocating saw, includes reciprocating saw main part (1), motor (2), conical gear (3), saw blade (7), backup plate (8) and control switch (23), its characterized in that: the right side surface of the reciprocating saw main body (1) is connected with a control switch (23), the reciprocating saw main body (1) is close to a first fixing block (16) fixed on the outer surface of the top end of the left side, the front side and the back side of the first fixing block (16) are both connected with a folding handle (15), a limiting cavity (21) is formed in the back side of the first fixing block (16), a placing cavity (22) is formed in the front top end of the limiting cavity (21), a first limiting block (17) is abutted to the inside of the limiting cavity (21), a push block (20) is abutted to the front top end of the first limiting block (17), the top end of the push block (20) is connected with a limiting pin (18), a second spring (19) is sleeved on the surface of the limiting pin (18), a motor (2) is fixed on the inner wall of the top end of the reciprocating saw main body (1), and the output end of the, the front of the bevel gear (3) is meshed with a main gear (4), the front center of the main gear (4) is fixedly connected with an eccentric wheel (5), the left side of the eccentric wheel (5) is hinged with a second connecting rod (24), the left side of the second connecting rod (24) is hinged with a connector (6), the left side of the connector (6) is connected with a saw blade (7), the left side surface of the reciprocating saw main body (1) is connected with a backup plate (8), the left side surface of the backup plate (8) is connected with a first connecting block (10), the left side of the first connecting block (10) is connected with a clamping cover (9), the top end of the clamping cover (9) is fixedly connected with a first connecting rod (11), the top end of the first connecting rod (11) is connected with a second connecting block (12), the right side of the second connecting block (12) is connected with the left side surface of the backup plate (8, one side butt that the inside of centre gripping lid (9) is close to saw blade (7) has first grip block (13), and one side that saw blade (7) were kept away from in first grip block (13) is connected with first spring (14), the inner wall at centre gripping lid (9) is fixed in first spring (14).

2. The reciprocating saw for cutting round steel as claimed in claim 1, wherein: the tooth block gap of the conical gear (3) is the same as the tooth block gap of the main gear (4).

3. The reciprocating saw for cutting round steel as claimed in claim 1, wherein: the left side surface of backup plate (8) is seted up flutedly, the right side shape size of first connecting block (10) is fixed with the lug, and the surface shape size of first connecting block (10) right side lug is the same with the inside shape size of backup plate (8) left side recess, first connecting block (10) right side lug can insert the inside of establishing backup plate (8), and first connecting block (10) and backup plate (8) constitution slidingtype structure.

4. The reciprocating saw for cutting round steel as claimed in claim 1, wherein: four groups of first clamping blocks (13) are arranged, and the four groups of first clamping blocks (13) are respectively abutted to the front surface and the back surface of the saw blade (7).

5. The reciprocating saw for cutting round steel as claimed in claim 1, wherein: the limiting pin (18) penetrates through the top end surface of the first fixing block (16) and is connected with the pushing block (20), the top end of the pushing block (20) is connected with the second spring (19), one end of the second spring (19) is connected to the inner wall of the top end of the placement cavity (22), and the limiting pin (18), the second spring (19) and the pushing block (20) can form an elastic structure.

6. The reciprocating saw for cutting round steel as claimed in claim 1, wherein: the output end of the control switch (23) is electrically connected with the input end of the motor (2) through a lead.