CN210306013U

CN210306013U - Lithium battery reciprocating saw

Info

Publication number: CN210306013U
Application number: CN201920156368.5U
Authority: CN
Inventors: 杨林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-04-14
Anticipated expiration: 2029-01-29

Abstract

The utility model discloses a lithium electricity drag saw, include: the clamping device is movably connected with the cutter blocking frame; the front part of the knife blocking frame is provided with a long groove for penetrating through the saw blade; the two side surfaces parallel to the saw blade are provided with a fixture block and a positioning groove which are connected with the clamping device; the clamping device comprises: the front claw support is rotatably connected with the front claw; the elastic piece is fixed between the joint of the front claw and the front claw bracket, and the front claw bracket is provided with a positioning block buckled with the positioning groove; the side wall of the front claw is provided with a clamping groove buckled with the clamping block, the clamping groove is provided with an opening, the clamping block passes through the clamping groove opening and is clamped in the clamping groove, and the clamping groove opening is provided with a clamping hook used for clamping the clamping block. The utility model provides a reciprocating saw cutting is accurate, portable and the security is high.

Description

Lithium battery reciprocating saw

Technical Field

The utility model relates to an electric tool technical field, more specifically the lithium electricity drag saw that says so relates to a lithium electricity.

Background

The reciprocating saw is a hand-held electric tool which is driven by a motor to reciprocate a reciprocating rod and can cut workpieces such as pipes, woods, branches and the like. When most reciprocating saws on the market cut workpieces, the saw blades reciprocate at a high speed relative to the workpieces, and the workpieces to be cut can shake, swing, give way and the like under the action of the reciprocating motion of the saw blades, so that great difficulty is caused to the cutting process, and even the cut workpieces cannot be cut.

In addition, the cut object needs to be held by hand during cutting to prevent the cut position of the electric cutting saw from deviating, but the holding of the cut object by hand is not safe, so that potential safety hazards exist.

Therefore, it is an urgent need to solve the problem of the art to develop an electric reciprocating saw which is safe to use and can cut accurately without holding the workpiece.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a cutting is accurate, portable, high lithium electricity reciprocating saw of security.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lithium-ion electric reciprocating saw comprising: the clamping device is movably connected with the tool blocking frame; the cutter blocking frame is fixed at one end of the machine body, which is connected with the saw blade; the front part of the knife blocking frame is provided with a long groove for penetrating through the saw blade; two side surfaces parallel to the saw blade are provided with a fixture block and a positioning groove which are connected with the clamping device; the clamping device includes: the front claw support is rotatably connected with the front claw; the elastic piece is fixed between the joint of the front claw and the front claw bracket, and the front claw bracket is provided with a positioning block buckled with the positioning groove; the side wall of the front claw is provided with a clamping groove buckled with the clamping block, the clamping groove is provided with an opening, the clamping block penetrates through the clamping groove opening and is clamped and fixed in the clamping groove, and the clamping groove opening is provided with a clamping hook used for clamping and fixing the clamping block.

The technical scheme has the advantages that the clamping device is arranged at the saw head of the reciprocating saw, the cut piece is clamped through the clamping device, the cut piece does not need to be held tightly by hands, and the use safety of the reciprocating saw is improved; and the front claw support and the cutter blocking frame can be detached, so that the clamping device is conveniently disassembled and assembled, the front claw and the front claw support are rotatably connected, and the front claw cannot influence the cutting process.

Preferably, the contact part of the front claw and the cut piece is provided with saw teeth.

Adopt above-mentioned technical scheme's beneficial effect be, the setting up of sawtooth makes the front pawl with by fixed more firm between the cutting member.

Preferably, the front claw and the front claw bracket are rotatably connected through a rotating shaft, and the elastic piece is fixed on the rotating shaft and is arranged between the front claw and the front claw bracket.

Preferably, the positioning block is arranged on the inner side of the front claw support and is fixedly connected with the rotating shaft.

Preferably, the side wall of the front claw is provided with a first clamping part, the side wall of the front claw support is provided with a second clamping part, one end of the elastic piece is clamped and fixed in the first clamping part, and the other end of the elastic piece is clamped and fixed in the second clamping part.

Adopt above-mentioned technical scheme's beneficial effect is that fore-stock and fore-stock support rotate each other, can play the oppression effect to the elastic component, and fore-stock support can automatic recovery to the primary importance under the elastic force effect of elastic component after loosening the fore-stock.

Preferably, the body includes: a power transmission part, a holding part and a base; and a locking switch is arranged at the joint of the holding part and the power transmission part.

Adopt above-mentioned technical scheme's beneficial effect is, locking switch can lock reciprocating saw, prevents to take place to hinder the condition of people because the starting part is touched to not the light touch.

Preferably, the bottom of the base is clamped with the lithium battery.

Preferably, the side wall of the base is also connected with a binding band.

Adopt above-mentioned technical scheme's beneficial effect is, the convenient taking and carrying to the reciprocating saw that sets up of bandage.

The utility model has the advantages that:

(1) in the utility model, the positioning block is clamped and fixed in the positioning groove of the knife blocking frame, the clamping groove of the front claw bracket is clamped with the clamping block of the knife blocking frame, and the clamping block can be buckled by the clamping hook in the clamping groove; the assembly of the clamping device and the reciprocating saw is more convenient and quicker, and the connection is firmer;

(2) the two ends of the elastic piece are respectively fixed on the front claw and the front claw bracket, so that the clamping device and the reciprocating saw can be buckled more firmly under the pressure action of the elastic piece, and the front claw bracket can be restored to the original positions after the external force disappears, thereby facilitating the use of the reciprocating saw;

(3) the locking switch is arranged, so that the reciprocating saw can be used more safely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a reciprocating saw according to the present invention;

fig. 2 is a schematic structural diagram of the clamping device in a disassembled state according to the present invention;

fig. 3 is a schematic structural view of the fastening state of the clamping device according to the present invention.

Wherein, in the figure,

1-body;

11-a power transmission;

12-a grip portion;

121-a locking switch;

13-a base; 14-a lithium battery; 15-binding band;

2-a cutter blocking frame;

21-a long slot; 22-a fixture block; 23-a positioning groove;

3-a clamping device;

31-front jaw;

311-serration; 312 — a first clamping portion;

32-a front jaw support;

321-a card slot; 322-hook; 323-a second clamping part;

33-an elastic member; 34-positioning block.

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.

The embodiment of the utility model discloses lithium electricity drag saw, include: the device comprises a machine body 1, a knife blocking frame 2 and a clamping device 3 movably connected with the knife blocking frame 2; the knife blocking frame 2 is fixed at one end of the machine body 1 connected with the saw blade; the front part of the knife block frame 2 is provided with a long groove 21 for passing through the saw blade; the two side surfaces parallel to the saw blade are provided with a fixture block 22 and a positioning groove 23 which are connected with the clamping device 3; the holding device 3 includes: a front claw 31, a front claw bracket 32 rotationally connected with the front claw 31, and an elastic member 33; the elastic piece 33 is fixed between the joint of the front claw 31 and the front claw bracket 32, and the front claw bracket 32 is provided with a positioning block 34 buckled with the positioning groove 23; the side wall of the front claw 31 is provided with a slot 321 engaged with the latch 22, the slot 321 is provided with an opening, the latch 22 passes through the opening of the slot 321 and is clamped in the slot 321, and the opening of the slot 321 is provided with a hook 322 for clamping the latch 22. The elastic member 33 is a torsion spring, and the elastic member 33 is configured to enable the front claw 31 to automatically return after rotating a certain angle. The front claw 31 and the front claw bracket 32 can rotate, so that the clamping and the separation of the clamping groove 321 and the clamping block 22 are convenient.

Further, the contact part of the front claw 31 and the cut piece is provided with saw teeth 311. The jaw of the front jaw 31 contacts with the cut piece, the jaw direction is the same as the opening direction of the slot 321, and the opening of the slot 321 is fixed with the fixture block 22. When a workpiece is cut, in order to enable the saw blade to accurately cut the workpiece, the front claw 31 rotates in the direction opposite to the claw opening along with the cutting depth of the saw blade, and the clamping groove 321 and the clamping block 22 are clamped and fixed more firmly under the action of the elastic member 33.

Further, the front claw 31 and the front claw bracket 32 are rotatably connected by a rotating shaft, and the elastic member 33 is fixed to the rotating shaft and interposed between the front claw 31 and the front claw bracket 32.

Further, the positioning block 34 is disposed inside the front jaw bracket 32 and is fixedly connected to the rotating shaft.

Further, a first engaging portion 312 is disposed on a side wall of the front claw 31, a second engaging portion 323 is disposed on a side wall of the front claw bracket 32, one end of the elastic member 33 is engaged with the first engaging portion 312, and the other end is engaged with the second engaging portion 323.

Further, the body 1 includes: a power transmission part 11, a holding part 12 and a base 13; a locking switch 121 is arranged at the joint of the holding part 12 and the power transmission part 11.

Further, the bottom of the base 13 is clamped with a lithium battery 14.

Further, the side wall of the base 13 is also connected with a strap 15.

The installation process of the clamping device comprises the following steps:

the positioning block 34 is clamped in the positioning groove 23, the positioning block 34 slides downward along the positioning groove 23, when the positioning block 34 slides to the bottom of the positioning groove 23, as shown in fig. 3, the front claw bracket 32 is pressed toward the direction close to the knife rest 2, the clamping block 22 is placed in the clamping groove 321 and clamped by the clamping hook 322, and the clamping device 3 can be fixed on the knife rest 2. When the clamping device is disassembled, the front claw support 32 is moved towards the direction opposite to the tool holder 2, so that the clamping hook 322 does not clamp the clamping block 22, the clamping block 22 is drawn out from the clamping groove 321, then the clamping device 3 is pulled towards the direction far away from the tool holder 2, the positioning block 34 slides towards the outer side of the positioning groove 23, the positioning block 34 is separated from the positioning groove 23, and the clamping device 3 is disassembled.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lithium battery reciprocating saw is characterized by comprising: the device comprises a machine body (1), a knife blocking frame (2) and a clamping device (3) movably connected with the knife blocking frame (2); the cutter blocking frame (2) is fixed at one end of the machine body (1) connected with the saw blade;

the front part of the knife blocking frame (2) is provided with a long groove (21) for penetrating through the saw blade; two side surfaces parallel to the saw blade are provided with a fixture block (22) and a positioning groove (23) which are connected with the clamping device (3);

the clamping device (3) comprises: the front claw assembly comprises a front claw (31), a front claw bracket (32) rotationally connected with the front claw (31), and an elastic piece (33); the elastic piece (33) is fixed between the joint of the front claw (31) and the front claw bracket (32), and a positioning block (34) buckled with the positioning groove (23) is arranged on the front claw bracket (32); a clamping groove (321) buckled with the clamping block (22) is formed in the side wall of the front claw (31), the clamping groove (321) is provided with an opening, the clamping block (22) penetrates through the opening of the clamping groove (321) and is clamped in the clamping groove (321), and a clamping hook (322) used for clamping the clamping block (22) is arranged at the opening of the clamping groove (321);

the machine body (1) comprises: a power transmission part (11), a holding part (12) and a base (13); a locking switch (121) is arranged at the joint of the holding part (12) and the power transmission part (11);

the bottom of the base (13) is clamped with a lithium battery (14).

2. The lithium ion reciprocating saw of claim 1, wherein the contact part of the front claw (31) and the cut piece is provided with saw teeth (311).

3. A lithium ion battery reciprocating saw according to claim 1, characterized in that the front claw (31) and the front claw holder (32) are rotatably connected by a rotating shaft, and the elastic member (33) is fixed on the rotating shaft and is disposed between the front claw (31) and the front claw holder (32).

4. The lithium ion reciprocating saw of claim 3, wherein the positioning block (34) is disposed inside the front jaw support (32) and is fixedly connected to the rotating shaft.

5. The lithium ion battery reciprocating saw of claim 1, wherein a first clamping portion (312) is arranged on a side wall of the front claw (31), a second clamping portion (323) is arranged on a side wall of the front claw support (32), one end of the elastic element (33) is clamped and fixed on the first clamping portion (312), and the other end of the elastic element is clamped and fixed on the second clamping portion (323).

6. A lithium ion reciprocating saw according to claim 1, characterized in that the side wall of the base (13) is further connected with a binding strap (15).