CN219666910U - Electric chain saw convenient for adjusting tensioning of chain saw - Google Patents

Abstract

The utility model discloses an electric chain saw convenient for adjusting the tensioning of the chain saw, which comprises a guide plate, wherein the guide plate is divided into two parts which form an exposed cutting part and a fixing part used for being connected with a chain saw body, two sides of the fixing part are respectively provided with a panel, one end of each panel extends to the cutting part, the opposite surfaces of each panel are respectively provided with a sliding block, the positions, opposite to the sliding blocks, of the two side surfaces of the cutting part are respectively provided with a sliding groove, the sliding blocks are respectively and slidably arranged in the sliding grooves, a screw rod assembly is arranged between the cutting part and the fixing part, and a rotating assembly for driving the screw rod assembly to rotate is arranged on one side of each panel. The utility model has simple structure, the screw rod assembly can be directly driven to rotate by the rotating assembly, the cutting part can be driven to extend by the rotation of the screw rod assembly, and the chain can be pushed to be stretched in the extending process, so that the use safety of the chain is ensured.

Description

Electric chain saw convenient for adjusting tensioning of chain saw

Technical Field

The utility model relates to the technical field of chain saws, in particular to an electric chain saw convenient for adjusting the tensioning of the chain saw.

Background

An electric chain saw is an electric tool mainly used for felling, pruning and wood processing. Along with the development of society, the application field of the electric chain saw is wider and wider, the used crowd is more and more, and higher requirements are put on the safety and operability of electric chain saw products. The current electric chain saw is in the use because the chain receives violent vibrations, will produce not hard up after using for a period of time, if not in time adjust the chain not hard up, the chain can break away from the incident that the link joint caused even, but current regulation mode is more troublesome, need dismantle through the instrument just can adjust the elasticity of chain, seriously influence the efficiency of work.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an electric chain saw which is convenient for adjusting the tensioning of the chain saw, does not need to use special tools, can directly adjust the tightness of the chain in a rotating mode, and increases convenience and efficiency.

The utility model is realized by the following technical scheme: the utility model provides an electric chain saw convenient to adjust chain saw tensioning, includes the baffle, the baffle divide into two and forms exposed cutting part and be used for the fixed part of being connected with the chain saw fuselage, and the panel is all installed to the both sides of fixed part, and on the one end of panel all extended to the cutting part, all installed the slider on the relative face of panel, the both sides face of cutting part just all is equipped with the spout to slider department, and slider all slidable mounting is in the spout, installs the lead screw subassembly between cutting part and the fixed part, installs on the panel of one side and drives lead screw subassembly pivoted rotating assembly.

As the preferable technical scheme, the lead screw assembly comprises a lead screw, a first bearing, a first bevel gear and a second bevel gear, wherein a screw hole is formed in the end face of the cutting part, which faces the fixing part, the first bearing is embedded in the end face of the fixing part, which faces the cutting part, one end of the lead screw is in threaded connection with the screw hole, the other end of the lead screw is arranged in the inner ring of the first bearing, the first bevel gear is arranged on the lead screw, and the second bevel gear is arranged on one side of the first bevel gear and is meshed and connected with the first bevel gear.

As the preferable technical scheme, rotating assembly includes the rotor plate, the axostylus axostyle, the column spinner, second bearing and rectangle piece, be equipped with the recess on the lateral surface of one side panel, the rotor plate sets up in the recess, the center department of recess is equipped with the mounting hole, the second bearing is installed in the mounting hole, the column spinner is installed in the inner circle of second bearing, column spinner one end installation lead screw subassembly is connected, the inside of column spinner forms the rectangle chamber, the rectangle piece sets up in the rectangle intracavity portion, be equipped with the shaft hole on the terminal surface of column spinner towards the recess, the axostylus axostyle sets up in the shaft hole, axostylus axostyle one end is installed on the rotor plate, the other end is installed on the rectangle piece, the medial surface of recess is located the outside of second bearing and is equipped with a plurality of draw-in grooves that are annular structure distribution, the medial surface of rotor plate just all protrudes to draw-in groove department and forms the fixture block, the fixture block all inserts in the draw-in groove.

As the preferable technical scheme, the sections of the sliding block and the sliding groove are arranged in a trapezoid structure.

As a preferable technical scheme, an annular channel for inserting fingers is formed between the rotating plate and the groove.

The beneficial effects of the utility model are as follows: the screw rod assembly is simple in structure, the screw rod assembly can be directly driven to rotate through the rotating assembly, the cutting part can be driven to extend through the rotation of the screw rod assembly, the chain can be pushed in the extending process, the chain is stretched, the use safety of the chain is ensured, the screw rod can be automatically locked after rotating, and meanwhile, the rotating assembly also has a positioning function, so that the stability and the safety after adjusting are improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a screw assembly according to the present utility model;

fig. 3 is a partial enlarged view at a in fig. 2.

Wherein, 1, a cutting part; 2. a fixing part; 3. a panel; 4. a chute; 5. a rotating plate; 6. a slide block; 7. a first bevel gear; 8. screw holes; 9. a screw rod; 11. a first bearing; 12. a second bevel gear; 13. a spin column; 14. a shaft lever; 15. rectangular blocks; 16. a second bearing; 17. and (5) clamping blocks.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1, 2 and 3, the electric chain saw convenient for tensioning the chain saw comprises a guide plate, wherein the guide plate is divided into two parts, namely, an exposed cutting part 1 and a fixing part 2 used for being connected with a chain saw body, two sides of the fixing part 2 are respectively provided with a panel 3, one end of each panel 3 extends to the cutting part 1, two opposite surfaces of each panel 3 are respectively provided with a sliding block 6, two opposite sides of each cutting part 1 are respectively provided with a sliding chute 4 corresponding to the sliding blocks 6, the sliding blocks 6 are respectively and slidably arranged in the sliding grooves 4, a screw rod 9 component is arranged between the cutting part 1 and the fixing part 2, and a rotating component for driving the screw rod 9 component to rotate is arranged on one side of each panel 3.

In this embodiment, the lead screw 9 assembly includes lead screw 9, first bearing 11, first bevel gear 7 and second bevel gear 12, be equipped with screw hole 8 on the terminal surface of cutting portion 1 towards fixed part 2, first bearing 11 embedded-type is installed on the terminal surface of fixed part 2 towards cutting portion 1, lead screw 9 one end threaded connection is in screw hole 8, the other end is installed in the inner circle of first bearing 11, first bevel gear 7 is installed on lead screw 9, second bevel gear 12 sets up in one side of first bevel gear 7, and with first bevel gear 7 meshing connection.

In this embodiment, the rotating assembly includes the rotor plate 5, the axostylus axostyle 14, the column spinner 13, second bearing 16 and rectangular piece 15, be equipped with the recess on the lateral surface of one side panel 3, the rotor plate 5 sets up in the recess, the center department of recess is equipped with the mounting hole, the second bearing 16 is installed in the mounting hole, the column spinner 13 is installed in the inner circle of second bearing 16, column spinner 13 one end installation lead screw 9 subassembly is connected, the inside of column spinner 13 forms the rectangle chamber, rectangular piece 15 sets up in the intracavity portion, be equipped with the shaft hole on the terminal surface of column spinner 13 orientation recess, the axostylus axostyle 14 sets up in the shaft hole, axostylus axostyle 14 one end is installed on rotor plate 5, the other end is installed on rectangular piece 15, the internal face of recess is located the outside of second bearing 16 and is equipped with a plurality of draw-in annular structure distribution's draw-in grooves, the medial surface just is all protruding to the draw-in groove department and is formed fixture block 17, fixture block 17 all inserts in the draw-in groove.

In this embodiment, the cross sections of the sliding block 6 and the sliding groove 4 are all in a trapezoid structure, so that the cutting part can only move along the axial direction of the sliding groove, and the cutting part is prevented from rotating.

In this embodiment, an annular channel for inserting fingers is formed between the rotating plate 5 and the groove, and a hand can extend into the annular channel, so that the hand can grasp the rotating plate, and the rotating plate can be conveniently rotated.

After the chain is loosened, the rotating plate can be pulled outwards, so that a clamping block on the rotating plate is separated from the clamping groove, after the positioning of the clamping block is lost, the rotating plate can be directly rotated, the rotating plate rotates to drive the rectangular block and the rotating column, the rotating column rotates to drive the second bevel gear, the second bevel gear rotates to drive the first bevel gear and the screw rod, the cutting part can be pushed to extend outwards through the rotating screw rod, and in the extending process, the cutting part can move along the sliding groove, and the chain can be pushed through the extending cutting part, so that the chain is tightened, and the use safety of the chain is ensured;

the movable cutting part can be positioned through the screw rod, and after the chain is tightened, the rotating plate can be pushed towards the groove, so that a clamping block on the rotating plate can be inserted into the clamping groove again, the rotating plate after rotation can be positioned in a clamping manner, and the movement of the cutting part caused by rotation of the rotating plate is avoided.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (5)

1. Electric chain saw convenient to adjust chain saw tensioning, its characterized in that: including the baffle, the baffle divide into two and form exposed cutting part (1) and be used for with fixed part (2) that the chain saw fuselage is connected, panel (3) are all installed to the both sides of fixed part (2), on all extending to cutting part (1) one end of panel (3), all install slider (6) on the opposite face of panel (3), the both sides face of cutting part (1) just all is equipped with spout (4) to slider (6) department, slider (6) equal slidable mounting is in spout (4), install lead screw (9) subassembly between cutting part (1) and the fixed part (2), install on panel (3) of one side and drive lead screw (9) subassembly pivoted rotating assembly.

2. The electric chain saw facilitating adjustment of chain saw tension as set forth in claim 1, wherein: the screw rod (9) subassembly includes screw rod (9), first bearing (11), first bevel gear (7) and second bevel gear (12), be equipped with screw hole (8) on the terminal surface of cutting portion (1) towards fixed part (2), first bearing (11) embedded mounting is on the terminal surface of fixed part (2) towards cutting portion (1), screw rod (9) one end threaded connection is in screw hole (8), the other end is installed in the inner circle of first bearing (11), first bevel gear (7) are installed on screw rod (9), second bevel gear (12) set up in one side of first bevel gear (7) to with first bevel gear (7) meshing connection.

3. The electric chain saw facilitating adjustment of chain saw tension as set forth in claim 1, wherein: the rotating assembly comprises a rotating plate (5), a shaft rod (14), a rotating column (13), a second bearing (16) and a rectangular block (15), wherein a groove is formed in the outer side face of one side panel (3), the rotating plate (5) is arranged in the groove, a mounting hole is formed in the center of the groove, the second bearing (16) is arranged in the mounting hole, the rotating column (13) is arranged in the inner ring of the second bearing (16), one end of the rotating column (13) is connected with the screw rod (9) assembly, a rectangular cavity is formed in the rotating column (13), the rectangular block (15) is arranged in the rectangular cavity, a shaft hole is formed in one end face of the rotating column (13) facing the groove, the shaft rod (14) is arranged in the shaft hole, one end of the shaft rod (14) is arranged on the rotating plate (5), a plurality of clamping grooves which are distributed in an annular structure are formed in the outer side of the second bearing (16), and the inner side face of the rotating plate (5) is just protruded to the clamping grooves to form clamping blocks (17), and the clamping blocks (17) are inserted into the clamping grooves.

4. The electric chain saw facilitating adjustment of chain saw tension as set forth in claim 1, wherein: the sections of the sliding block (6) and the sliding groove (4) are arranged in a trapezoid structure.

5. An electric chain saw facilitating adjustment of the tension of the chain saw according to claim 3, wherein: an annular channel for inserting fingers is formed between the rotating plate (5) and the groove.