CN211662218U

CN211662218U - Electric chain saw convenient to adjust saw chain tensioning

Info

Publication number: CN211662218U
Application number: CN201921501690.3U
Authority: CN
Inventors: 吕红波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-10-13
Anticipated expiration: 2029-09-10

Abstract

The utility model belongs to the technical field of electric tool, concretely relates to tensioning texture of electric chain saw chain. The utility model provides an electric chain saw convenient to adjust saw chain tensioning, includes baffle and frame and locates the regulation mount pad in the frame, and the shaping has the spout on adjusting the mount pad, is provided with the sliding part that can remove in the spout, and the sliding part includes the regulating block with the baffle assembly, and the regulating block lower extreme extends has the regulation slide bar, sliding part one side is equipped with resetting means, thereby adjusts the removal through pulling the regulation slide bar and makes the regulating block overcome resetting means's elasticity. The mounting and arranging design of the improved adjusting mechanism solves the problems that the guide plate cannot be aligned once for adjusting and mounting, and the guide plate does not need to take time to align to the corresponding hole site, the mounting efficiency is greatly improved, and the adjustment of the tensioning of the saw chain is more labor-saving.

Description

Electric chain saw convenient to adjust saw chain tensioning

Technical Field

The utility model belongs to the technical field of electric tool, concretely relates to tensioning texture of electric chain saw chain.

Background

At present, an electric chain saw is an electric tool mainly used for lumbering, pruning and wood processing, along with the development of the society, the application field of the electric chain saw is wider and wider, the number of people using the electric chain saw is more and more, and higher requirements are provided for the safety and operability of the electric chain saw product. The electric chain saw on the market now can produce after using a certain time and become flexible because the chain receives violent vibrations in the use, if not in time adjust, the chain is not flexible, and the chain breaks away from the link joint even and causes the injury accident, but current chain elasticity is adjusted not only hard and troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric chain saw convenient to adjust saw chain tensioning, the design of arranging of installation that improves back adjustment mechanism has solved the baffle and can't once aligns and adjust the installation, need not to spend the problem of time alignment corresponding hole site, has still improved its installation effectiveness widely to it is more laborsaving to adjust the saw chain tensioning.

The purpose of the utility model is realized like this: the utility model provides an electric chain saw convenient to adjust saw chain tensioning, includes baffle and frame and locates the regulation mount pad in the frame, and the shaping has the spout on adjusting the mount pad, is provided with the sliding part that can remove in the spout, and the sliding part includes the regulating block with the baffle assembly, and the regulating block lower extreme extends has the regulation slide bar, sliding part one side is equipped with resetting means, thereby adjusts the removal through pulling the regulation slide bar and makes the regulating block overcome resetting means's elasticity.

Preferably, a sliding rod is arranged in the sliding groove, the sliding part is sleeved on the sliding rod, and the sliding part can slide left and right on the sliding rod.

Preferably, the resetting device comprises an elastic piece sleeved on the sliding rod, one end of the elastic piece abuts against the limiting block, and the other end of the elastic piece abuts against the adjusting mounting seat.

Preferably, the sliding rod is formed with a limiting block, and the limiting block is located between the elastic member and the adjusting block.

Preferably, a limiting hole matched with the sliding rod is formed in one side wall of the sliding groove, and the sliding rod penetrates through the limiting hole.

Preferably, the adjusting block comprises a lower convex block, a first limiting groove is formed in the upper portion of the sliding groove in an inwards concave mode, and the lower convex block is arranged in the first limiting groove in a sliding mode to form limiting.

Preferably, the upper surface of the adjusting mounting seat is convexly provided with a limiting part positioned on one side of the sliding groove, one end of the elastic part is abutted against the limiting part, a second limiting groove matched with the sliding rod is formed in the limiting part, and the sliding rod is penetrated in the second limiting groove to form limiting.

Preferably, the limiting part is provided with a fixing piece, the fixing piece is provided with a fastening hole, and the fixing piece is arranged above the limiting part and penetrates through the fastening hole through a fastening piece to form fastening.

Preferably, a convex block is formed on the wall of the right end groove of the sliding groove, and the adjusting sliding rod is abutted against the convex block.

Compared with the prior art, the utility model outstanding and profitable technological effect is: in order to make the adjustment more labor-saving, the adjusting slide rod for pulling is extended, so that the elastic action of the spring is conveniently overcome, the guide plate is loosened and the saw chain is tensioned when the saw chain is loosened, the operation is simple, special tools do not need to be equipped or carried, and the use is convenient; and in order to ensure the stability and effectiveness of the sliding rod during the back-and-forth movement, a fixed sheet is arranged at the joint, and the design of the fixed sheet ensures that the spring cannot pop out no matter how the spring is compressed.

Drawings

Fig. 1 is a schematic structural view of an electric chain saw according to an embodiment of the present invention.

Fig. 2 is a partial exploded view of an electric chain saw according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view at B in fig. 2.

Fig. 4 is a schematic structural diagram of an adjusting mount in an embodiment of the present invention.

Fig. 5 is a partially enlarged view of a portion a in fig. 4.

Reference numerals: 1-a frame; 2-adjusting the mounting seat; 3-a sprocket; 4-a guide rod; 5-a chute; 51-a first limit groove; 52-adjusting the slide bar; 6-a slide bar; 7-limiting holes; 8-a sliding part; 82-upper bumps; 83-lower bump; 9-a limiting block; 10-a limiting part; 11-a second limit groove; 12-a fixing sheet; 13-fastening holes; 14-a bump; 15-a regulating block; 16-resetting means.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-5, an electric chain saw convenient for adjusting the tension of a saw chain comprises a frame 1, the saw chain, a motor arranged in the frame 1, and an adjusting mounting seat 2 arranged on the frame 1, wherein a guide plate for mounting the saw chain and a guide plate cover for fixing the guide plate are adjustably arranged on the adjusting mounting seat 2, the guide plate is arranged between the adjusting mounting seat 2 and the guide plate cover, a chain wheel 3 and a guide rod 4 positioned at the right side of the chain wheel 3 are arranged on the adjusting mounting seat 2, the guide rod 4 is used for controlling the adjusting direction of the guide plate, the saw chain is arranged on the guide plate and driven by the motor, when the electric chain saw works, the motor is electrified to work, and the saw chain is driven by a power output shaft and the chain wheel 3 to circularly move along the circumferential direction of.

A sliding groove 5 is formed in the adjusting and mounting seat 2, the sliding groove 5 is located below the guide rod 4, a sliding rod 6 and an elastic part sleeved on the sliding rod 6 are arranged on the sliding groove 5, the elastic part is a spring, a sliding part 8 matched with the guide plate in an assembling mode is sleeved on the sliding rod 6, a limiting hole 7 matched with the sliding rod 6 is formed in one side wall of the sliding groove 5, the sliding rod 6 sequentially penetrates through the limiting hole 7 and the sliding part 8, and after the saw chain is tensioned after adjustment is completed, the sliding part 8 abuts against the side wall of the sliding groove 5; a limiting block 9 is formed on the slide rod 6, the limiting block 9 is a forming block protruding from two sides of the slide rod 6, the right end of the spring can abut against the sliding part 8 and can also abut against the limiting block 9, the other end of the limiting block 9 abuts against a limiting part 10 protruding from the upper surface of the adjusting mounting seat 2, the sliding part 8 comprises an adjusting block 15, the adjusting block 15 abuts against the limiting block 9, the limiting block 9 is pushed by pulling the adjusting slide rod 52, the limiting block 9 directly contacts with the spring to push the spring to move leftwards, and the adjusting block 15 overcomes the elasticity of the elastic part to realize adjustment; the elastic piece is arranged between the limiting block 9 and the limiting part 10, so that the spring is more labor-saving to push and is more convenient to mount.

The slide part 8 is provided with a reset device 16 on one side, the adjusting block 15 overcomes the elasticity of the reset device 16 by pulling the adjusting slide rod 52 to perform adjusting movement, the reset device 16 comprises an elastic part sleeved on the slide rod 6, one end of the elastic part is abutted against the limiting block 9, and the other end of the elastic part is abutted against the adjusting mounting seat 2. The adjusting block 15 comprises an upper convex block 82 and a lower convex block 83, the upper convex block 82 is used for being connected with a guide groove on a guide plate and installed together, a first limiting groove 51 is formed in the upper portion of the sliding groove 5 in an inwards concave mode, the lower convex block 83 is arranged in the first limiting groove 51 in a sliding mode to form limiting, and the lower convex block 83 can keep the stability and the effectiveness in the process of moving back and forth when reciprocating to a large extent due to the design of the first limiting groove 51. The lower end of the adjusting block 15 extends to form an adjusting slide rod 52 which is abutted against the side wall of the sliding chute 5, and the design of the adjusting slide rod 52 ensures that the adjusting slide rod is more labor-saving when being pulled.

The extension design of the adjusting slide rod 52 is convenient for overcoming the elastic force of the spring, the guide plate is loosened and the saw chain is tensioned when the saw chain is loosened, the operation is simple, special tools do not need to be equipped or carried, and the use is convenient; when the adjustment is completed, the spring can provide outward tensioning force, the convex block 14 is convexly arranged on the wall of the right end groove of the sliding groove 5, the adjusting sliding rod 52 abuts against the convex block 14, the convex block 14 enables the adjusting sliding rod 52 to be in an inclined state when abutting against the side wall of the sliding groove 5, and therefore when the adjusting sliding rod 52 is pulled again, the adjusting sliding rod can be more handy, the ergonomic design is met, and the pulling force of the adjusting sliding rod is improved.

The upper surface of the adjusting mounting seat 2 is convexly provided with a limiting part 10 positioned on one side of the sliding groove 5, a second limiting groove 11 is formed in the limiting part 10, the limiting part 10 is composed of an upper strip-shaped bulge and a lower strip-shaped bulge and a second limiting groove 11 formed between the two strip-shaped bulges, the size of the second limiting groove 11 is matched with the diameter of the sliding rod 6, and the sliding rod 6 is arranged in the second limiting groove 11 in a penetrating mode. The slide rod 6 penetrating the second limiting groove 11 is lengthened, the slide rod 6 is moved to the left to the bottom of the second limiting groove 11 by pulling the adjusting slide rod 52, the adjusting stability of the slide rod is not affected, the left end of the elastic element abuts against the limiting part 10, and the right end of the elastic element abuts against the limiting block 9.

In order to improve adjustment mechanism's stability and be convenient for assemble, be equipped with stationary blade 12 in spacing portion 10, stationary blade 12 just covers the tip of the rectangular spring of butt on spacing portion 10 for form limiting displacement between stationary blade 12 and the second spacing groove 11, seted up fastening hole 13 on the stationary blade 12, install stationary blade 12 in spacing portion 10 top and wear to locate through the screw and form the screw fastening in fastening hole 13.

When the slide bar moves back and forth in the second limit groove 11, the fixing piece 12 has a limit effect on the spring, so that the stability and effectiveness of the slide bar in moving back and forth can be further improved, and the spring cannot be ejected even though the spring is compressed after the screw is screwed down due to the design of the fixing piece 12.

The installation mode of the guide plate is as follows: the guide plates are arranged on the corresponding guide rods 4, and meanwhile, the guide grooves on the guide plates are clamped on the upper convex blocks 82, so that the guide plates can be arranged.

The mounting and arranging design of the adjusting mechanism solves the problems that the guide plate cannot be aligned once for adjusting and mounting, and the guide plate does not need to take time to align to the corresponding hole position, the mounting efficiency is greatly improved, and the adjustment of the tensioning of the saw chain is more labor-saving.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electric chain saw convenient to adjust saw chain tensioning which characterized in that: including baffle and frame (1) and locate regulation mount pad (2) on frame (1), the shaping has spout (5) on adjusting mount pad (2), is provided with sliding part (8) that can remove about in spout (5), and sliding part (8) include regulating block (15) with the baffle assembly, and regulating block (15) lower extreme extends has adjusting slide bar (52), sliding part (8) one side is equipped with resetting means (16), thereby adjusts the removal through pulling adjusting slide bar (52) and make regulating block (15) overcome the elasticity of resetting means (16).

2. An electric chain saw for facilitating adjustment of saw chain tension as defined in claim 1, wherein: a sliding rod (6) is arranged in the sliding groove (5), a sliding part (8) is sleeved on the sliding rod (6), and the sliding part (8) can slide left and right on the sliding rod (6).

3. An electric chain saw for facilitating adjustment of saw chain tension as defined in claim 2, wherein: the resetting device (16) comprises an elastic piece sleeved on the sliding rod (6), one end of the elastic piece is abutted against the limiting block (9), and the other end of the elastic piece is abutted against the adjusting mounting seat (2).

4. An electric chain saw for facilitating adjustment of saw chain tension as defined in claim 3, wherein: a limiting block (9) is formed on the sliding rod (6), and the limiting block (9) is located between the elastic piece and the adjusting block (15).

5. An electric chain saw for facilitating adjustment of saw chain tension as defined in claim 2, wherein: a limiting hole (7) matched with the sliding rod (6) is formed in one side wall of the sliding groove (5), and the sliding rod (6) penetrates through the limiting hole (7).

6. An electric chain saw for facilitating adjustment of saw chain tension as defined in claim 2, wherein: the adjusting block (15) comprises a lower convex block (83), a first limiting groove (51) is formed in the upper portion of the sliding groove (5) in a concave mode, and the lower convex block (83) is arranged in the first limiting groove (51) in a sliding mode to form limiting.

7. An electric chain saw for facilitating adjustment of saw chain tension as defined in claim 3, wherein: adjust mount pad (2) upper surface protruding be equipped with be located spout (5) one side spacing portion (10), elastic component one end is supported and is leaned on spacing portion (10), sets up in spacing portion (10) with slide bar (6) matched with second spacing groove (11), slide bar (6) are worn to locate in second spacing groove (11) and are formed spacingly.

8. An electric chain saw for facilitating adjustment of saw chain tension as defined in claim 7, wherein: the limiting part (10) is provided with a fixing sheet (12), the fixing sheet (12) is provided with a fastening hole (13), and the fixing sheet (12) is arranged above the limiting part (10) and penetrates through the fastening hole (13) through a fastening piece to form fastening.

9. An electric chain saw for facilitating adjustment of saw chain tension as defined in claim 1, wherein: a convex block (14) is formed on the wall of the right end groove of the sliding groove (5), and the adjusting sliding rod (52) abuts against the convex block (14).