CN104381034B

CN104381034B - Garden saw

Info

Publication number: CN104381034B
Application number: CN201410598296.1A
Authority: CN
Inventors: 张峰; 游瑞华; 万立军
Original assignee: Zhejiang YAT Electrical Appliance Co Ltd
Current assignee: Zhejiang YAT Electrical Appliance Co Ltd
Priority date: 2014-10-30
Filing date: 2014-10-30
Publication date: 2017-03-22
Anticipated expiration: 2034-10-30
Also published as: CN104381034A

Abstract

The invention discloses a garden saw, comprising a machine frame, a saw body, an auxiliary supporting bracket and a workpiece clamping device, wherein the saw body is arranged on the machine frame; the auxiliary supporting bracket is detachably connected with the machine frame; the auxiliary supporting bracket comprises a first supporting bracket and a second supporting bracket; the second supporting bracket is connected with the first supporting bracket in a sliding manner; the machine frame is provided with a clamping groove; the second supporting bracket is provided with a clamping bulge; the second supporting bracket slides, so that the clamping bulge is clamped into or separated from the clamping groove; the clamping bulge is clamped into the clamping groove, so that the installation of the auxiliary supporting bracket is realized; the clamping bulge is separated from the clamping groove, so that the disassembly of the auxiliary supporting bracket is realized; an elastic element, which is used for preventing the clamping bulge from being separated from the clamping groove, is connected between the second supporting bracket and the first supporting bracket; the workpiece clamping device is rotatably hinged to the auxiliary supporting bracket through a first torsional spring. According to the garden saw, the workpiece clamping device clamps a workpiece; the workpiece clamping device has an excellent press-fit effect to the workpiece by the arrangement of the first torsional spring, so that the situation that the workpiece severely jitters or swings in the cutting process is prevented; the assembly and disassembly of the auxiliary supporting bracket can be realized as long as the second supporting bracket slides; the garden saw is simple and convenient in operation, and is suitable for different cutting requirements.

Description

A kind of garden saw

Technical field

The present invention relates to field of power tools, and in particular to a kind of garden saw.

Background technology

Garden saw is a kind of electric tool for being usually used in gardens, is mainly used in cutting branch, and its operation principle is that motor leads to Cross saw blade of the gear-box drive installation on reciprocating lever to move reciprocatingly, you can do branch reciprocating cutting motion.But in saw Piece is done with respect to branch when moving back and forth at a high speed, if branch is not fixed, frictional force can make workpiece with the reciprocating motion of saw blade And produce and acutely shake or wave, so as to bring the inconvenience in cutting.Then occur in that with work holder garden saw, but This kind of garden saw due to work holder to install head additional often heavier, it is adaptable to more sturdy branch, in cutting Shi Shuzhi has certain support to garden saw, is easy to the use of garden saw, but for comparatively fine branch, workpiece clamp Hold device and do not play beneficial effect, the use to garden saw on the contrary brings inconvenience.

The content of the invention

Problem to be solved by this invention is to provide a kind of garden saw, can be rapidly assembled and disassembled work holder, It is simple to operation, it is easy to garden saw to adapt to different split requirements.

In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of garden saw, including frame and saw Body, the saw body are arranged in frame, and also including auxiliary stand and work holder, the auxiliary stand is detachably connected on In frame, the auxiliary stand includes that first support and second support, the second support and first support are slidably connected, described Frame is provided with draw-in groove, and the second support is provided with card convex, and the second support is slided with respect to first support and can make card convex card Enter or depart from draw-in groove, the card convex snaps in the connection that draw-in groove is capable of achieving auxiliary stand and frame, and the card convex departs from draw-in groove can be real The dismounting of existing auxiliary stand and frame, is connected with the elasticity for preventing card convex from departing from draw-in groove between the second support and first support Element, the work holder are rotationally hinged on auxiliary stand by the first torsion spring.Pressed from both sides by work holder Workpiece is handled, and causes work holder that there is to workpiece good pressing effect by the setting of the first torsion spring, it is ensured that The relative position of workpiece and saw body, it is to avoid workpiece is acutely shaken or waved as the cutting of saw body is produced, saw body cutting workpiece mistake In journey, work holder can be fully contacted saw body and workpiece with respect to gantry rotation, be able to deep cutting workpiece；The work of external force With making second support overcome the relative first support of the elastic force of flexible member to slide, and then card convex is made to depart from draw-in groove, external force revocation Flexible member can make card convex snap in draw-in groove again and keep both clamped conditions to the counteracting force of second support afterwards, also It is to say, need to only causes second support to slide with respect to first support and be capable of achieving the installation and removal of auxiliary stand and frame, operation It is simple and convenient, it is easy to garden saw to adapt to different split requirements.

Improved, the frame is provided with the bracket for protruding upward, and the draw-in groove is located on bracket.It is easy to frame and bracket Processing and fabricating, being rapidly assembled and disassembled for auxiliary stand is realized by the setting of bracket.

Improved, the first support is provided with leg, and the lower surface of the leg is provided with limited impression, on the bracket Spacing preiection is provided with, the first support opposing brackets can make spacing preiection snap in or depart from limited impression when moving up and down.It is logical Cross card convex and the clamping engagement of draw-in groove and the steady of auxiliary stand and bracket is realized in the clamping engagement of spacing preiection and limited impression It is solidly connected, and need to only releases the connection that clamping engagement can be achieved with auxiliary stand and bracket, realizes the Fast Installation of auxiliary stand And dismounting.

Improved, the first support is provided with the first port for being available for bracket to pass through, and the draw-in groove is located on bracket and wears Cross on the part of the first port.Auxiliary is realized to the positioning of bracket by the clamping engagement and the first port of card convex and draw-in groove The firm connection of frame and bracket, and the connection that clamping engagement can be achieved with auxiliary stand and bracket need to be only released, realize auxiliary Frame is rapidly assembled and disassembled.

Further improved, the first support is provided with leg, and the lower surface of the leg is provided with limited impression, described Bracket is provided with spacing preiection, and the first support opposing brackets can make spacing preiection snap in or depart from spacing recessed when moving up and down Groove, the first support are provided with the first port for being available for bracket to pass through, and the draw-in groove is located on bracket through the first port On part.By the clamping engagement and the first port of the clamping engagement of card convex and draw-in groove, spacing preiection and limited impression to support Frame positioning further strengthen auxiliary stand and bracket connection steadiness, and need to only release clamping engagement can be achieved with auxiliary The connection of frame and bracket, realizes being rapidly assembled and disassembled for auxiliary stand.

Improved, the second support is provided with bar shaped chute, and the first support has been provided with and has been inserted into bar shaped chute In the first bearing pin.Being slidably connected for first support and second support is realized, is limited by the setting of bar shaped chute and the first bearing pin The sliding scale of second support is made, has been easy to operation.

Improved, the flexible member is the first torsion spring, and the first support is provided with the second bearing pin, first torsion spring It is sleeved on the outer wall of the second bearing pin.

Improved, the auxiliary stand includes the 3rd support, and the 3rd support is arranged on first by the second bearing pin On frame, the work holder is arranged on the 3rd support.It is easy to the processing and fabricating of second support and the 3rd support, is easy to work The installation of part clamping device.

Improved, the work holder includes the first jig arm and the second jig arm, one end of first jig arm and One end of two jig arm is fixedly connected, and the 3rd bearing pin of the first jig arm is rotationally hinged on the 3rd support, and described first turns round Spring is sleeved on the outer wall of the 3rd bearing pin, and second jig arm and the 3rd bracket slide connect, and second jig arm is provided with arc Shape chute, on the axial line of the 3rd bearing pin, the 3rd support is provided with and is inserted into arc cunning in the center of circle of the arc chute The 4th bearing pin in groove.The slewing area of work holder is limited by arc chute, realizes work holder to workpiece Pressing.

Improved, the clamping face of first jig arm and the second jig arm is zigzag.Workpiece can be firmly pressed, be kept away Exempt from the movement of workpiece opposite piece clamping device.

Improved, the first support is provided with the first cramp, and the second support is provided with the second cramp, and described second Cramp and the first cramp are oppositely arranged, and the direction and card convex that second cramp is moved relative to the first cramp is slipped away draw-in groove direction one Cause.The first cramp and the second cramp is pulled in opposite directions, and card convex departs from draw-in groove, is easy to operation.

Beneficial effect：

After above-mentioned technical proposal, a kind of garden saw of the invention clamps workpiece by work holder, and passes through The setting of the first torsion spring causes work holder to have good pressing effect to workpiece, it is ensured that workpiece is relative with saw body Position, it is to avoid workpiece is acutely shaken or waved as the cutting of saw body is produced, work holder in saw body cutting workpiece fabrication Can be fully contacted saw body and workpiece with respect to gantry rotation, be able to deep cutting workpiece；The effect of external force overcomes second support The elastic force of flexible member slides with respect to first support, and then make card convex depart from draw-in groove, and after external force revocation, flexible member is to second The counteracting force of support can make card convex snap in draw-in groove again and keep both clamped condition, that is to say, that need to only cause the Two supports slide with respect to first support and are capable of achieving the installation and removal of auxiliary stand and frame, simple to operation, are easy to garden Woods saw adapts to different split requirements.

Description of the drawings

Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further：

Fig. 1 is a kind of structure chart of garden saw of the invention；

Fig. 2 is a kind of dismounting schematic diagram of garden saw of the invention；

Fig. 3 is a kind of scheme of installation of garden saw of the invention；

Fig. 4 is the structure chart of work holder and auxiliary stand.

Specific embodiment

As shown in Figure 1 to Figure 3, a kind of garden saw, including frame 1, saw body 2, auxiliary stand and work holder 3, saw Body is arranged in frame, and frame is provided with the bracket 4 for protruding upward, and auxiliary stand is detachably connected on bracket, auxiliary stand Including first support 5, second support 6 and the 3rd support 7, second support is slidably connected in first support, sets in first support There is the first bearing pin 81, second support is provided with bar shaped chute 62, bar shaped chute is linear type chute, the extension side of linear type chute To for fore-and-aft direction, the first bearing pin is positioned in bar shaped chute, realizes slide anteroposterior of the second support with respect to first support, described 3rd support is arranged in first support by the second bearing pin 82, and certain first support and the 3rd support can be formed in one knot Structure, work holder are rotationally hinged on the 3rd support by the first torsion spring 91.

First support is provided with the first port 53 for being available for bracket to pass through, and passes through the front end of the part of the first port on bracket Face is provided with draw-in groove 41, and second support is provided with card convex 61, and when second support is slided backward with respect to first support, card convex snaps in card Groove, auxiliary stand are arranged on bracket, and second support departs from draw-in groove with respect to card convex during first support forward slip, auxiliary stand can Disassemble from bracket, in order to keep the clamped condition of card convex and draw-in groove, between first support and second support, be connected with bullet Property element, in the present embodiment, flexible member is the second torsion spring 92, and the second torsion spring is sleeved on the outer wall of the second bearing pin, also It is to say, during dismounting, second support will overcome the elastic force of flexible member to make card convex depart from draw-in groove with respect to first support forward slip, Operate for convenience, first support is provided with the first cramp 54, second support is provided with the second cramp 63, the second cramp and first Cramp is oppositely arranged, moving direction and card convex disengaging of second cramp with respect to the first cramp when pulling the first cramp and the second cramp Draw-in groove direction is consistent.Stability during in order to strengthen auxiliary stand and bracket connection, first support are provided with leg 51, leg Lower surface is provided with limited impression 52, and bracket is provided with spacing preiection 42, and when bracket passes through the first port, spacing preiection snaps in spacing In groove, certainly, the first port to the positioning of bracket and spacing preiection to can only arrange one in both positioning of leg.

Installation and removal process：Pulling the first cramp and the second cramp makes second support with respect to first support forward slip (in Fig. 2 the direction of arrow for pull direction), the deformation of the second torsion spring, then auxiliary stand is installed on bracket under upper, treat card To the first cramp during correspondence, second support relative first support under the retroaction of the second torsion spring is slided backward convex and draw-in groove, Card convex snaps in draw-in groove, realizes the installation connection of auxiliary stand and bracket；Pulling the first cramp and the second cramp makes second support phase To first support forward slip, card convex departs from draw-in groove, then auxiliary stand is disassembled from bracket (arrow in Fig. 3 from the bottom to top Head direction is disassembly direction).

As shown in figure 4, work holder includes the first jig arm 31 and the second jig arm 32, one end of the first jig arm and second One end of jig arm is fixedly connected, and in the present embodiment, the first jig arm and the second jig arm are formed in one structure, and the first jig arm passes through 3rd bearing pin 83 is rotationally hinged on the 3rd support, and the first torsion spring is sleeved on the outer wall of the 3rd bearing pin, the second jig arm and 3rd bracket slide connects, and the second jig arm is provided with arc chute 33, and the center of circle of arc chute falls in the axial line of the 3rd bearing pin On, the 3rd support is provided with the 4th bearing pin 84, and the 4th bearing pin is positioned in arc chute, the clamping of the first jig arm and the second jig arm Face 34 is zigzag.

In the present embodiment, that saws body is respectively arranged on the left side and the right side bracket, leg, the 3rd support and work holder, One of leg and the connection of one of bracket, one of them the 3rd support and the connection of one of leg, one of work Part clamping device and one of them the 3rd support connect, and another leg and another bracket connect, another the 3rd support and Another leg connects, and another work holder and another the 3rd support connect, and two work holder correspondences set Put, two the 3rd supports can be formed in one structure, two work holders can be formed in one structure, two the second torsion springs Can be formed in one structure.

In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this Invention is variously modified and deforms, and without departing from the spirit of the present invention, all should belong to claims of the present invention determined The scope of justice.

Claims

1. a kind of garden saw, including frame (1) and saw body (2), the saw body is arranged in frame, it is characterised in that：Also include Auxiliary stand and work holder (3), the auxiliary stand are detachably connected in frame, and the frame is provided with stretches upwards The bracket (4) for going out, the frame are provided with draw-in groove (41), and the draw-in groove is located on bracket, and the auxiliary stand includes first Frame (5) and second support (6), the second support and first support are slidably connected, and the second support is provided with card convex (61), The second support is slided with respect to first support can make card convex snap in or depart from draw-in groove, and the card convex snaps in draw-in groove and is capable of achieving auxiliary The connection of support and frame, the card convex depart from the dismounting that draw-in groove is capable of achieving auxiliary stand and frame, the second support and the The flexible member for preventing card convex from departing from draw-in groove is connected between one support, and the work holder can by the first torsion spring (91) Rotationally it is hinged on auxiliary stand, the second support is provided with bar shaped chute (62), the first support is provided with inserting The first bearing pin (81) in bar shaped chute.

2. a kind of garden saw according to claim 1, it is characterised in that：The first support is provided with leg (51), institute The lower surface for stating leg is provided with limited impression (52), and the bracket is provided with spacing preiection (42), and the first support is relative to hold in the palm Frame can make spacing preiection snap in or depart from limited impression when moving up and down.

3. a kind of garden saw according to claim 1 and 2, it is characterised in that：The first support is provided with and is available for bracket The first port (53) for passing through, the draw-in groove are located on bracket through on the part of the first port.

4. a kind of garden saw according to claim 1, it is characterised in that：The flexible member be the second torsion spring (92), institute State first support and be provided with the second bearing pin (82), second torsion spring is sleeved on the outer wall of the second bearing pin.

5. a kind of garden saw according to claim 4, it is characterised in that：The auxiliary stand includes the 3rd support (7), institute State the 3rd support to be arranged in first support by the second bearing pin, the work holder is rotationally cut with scissors by the first torsion spring It is connected on the 3rd support.

6. a kind of garden saw according to claim 5, it is characterised in that：The work holder includes the first jig arm (31) and the second jig arm (32), one end of first jig arm are fixedly connected with one end of the second jig arm, and first jig arm is led to Cross the 3rd bearing pin (83) to be rotationally hinged on the 3rd support, first torsion spring is sleeved on the outer wall of the 3rd bearing pin, institute The second jig arm and the connection of the 3rd bracket slide is stated, second jig arm is provided with arc chute (33), the circle of the arc chute On the axial line of the 3rd bearing pin, the 3rd support is provided with the 4th bearing pin (84) being inserted in arc chute to the heart.

7. a kind of garden saw according to claim 6, it is characterised in that：The clamping face of first jig arm and the second jig arm (34) it is zigzag.

8. a kind of garden saw according to claim 1, it is characterised in that：The first support is provided with the first cramp (54), the second support is provided with the second cramp (63), and second cramp and the first cramp are oppositely arranged, second button The direction that piece is moved relative to the first cramp and card convex draw-in groove direction of slipping away is consistent.