CN211415464U

CN211415464U - Chain saw capable of preventing hand from falling off

Info

Publication number: CN211415464U
Application number: CN201922484533.2U
Authority: CN
Inventors: 张澜
Original assignee: Lishui Zhengheng Garden Machinery Co ltd
Current assignee: Lishui Zhengheng Garden Machinery Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-04
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a chain saw of anticreep hand, including casing, baffle, saw chain, the baffle is fixed to be set up on the casing, and the chain saw sets up in the baffle periphery, and the rear side that the periphery of casing was provided with the first in command, casing is provided with the second handle, is provided with on the casing and ties up in the wrist cover in the wrist. By adopting the scheme, the anti-drop chain saw is provided, wherein the wrists of the hands corresponding to the first handles are bound in the wrists, so that the wrists replace the palms to act with the first handles under the condition that the first handles are suddenly broken off or the palms slip off from the first handles, and the condition of damage, casualties and the like is prevented.

Description

Chain saw capable of preventing hand from falling off

Technical Field

The utility model relates to a garden machine tool, concretely relates to chain saw of anticreep hand.

Background

The chain saw, also called as chain saw, is a hand saw powered by gasoline engine, mainly used for lumbering and building timber, and its working principle is that the shearing action is carried out by the transverse movement of the staggered L-shaped blades on the saw chain.

The existing chain saw generally comprises a machine shell, a guide plate and a saw chain, wherein the guide plate is fixed on the machine shell and extends forwards, the chain saw is installed on the guide plate, in addition, a first handle is installed on the periphery of the machine shell, and a second handle is installed on the rear side of the machine shell, so that a user can hold and lift the chain saw through the first handle, and the second handle is used for performing throttle control and rotation control in a certain direction for mainly supporting a stressed position.

The existing chain saw has the following defects: because the first handle is the main atress position, consequently if the palm slips and breaks away from the first handle or the first handle breaks in the use for the main atress position loses the atress, and too big bending moment in second handle position department will lead to not making the chain saw drop because of supporting, thereby not only cause the collision damage of chain saw easily, easily cause the injures and deaths of personnel moreover.

Disclosure of Invention

The utility model aims to provide a be not enough to prior art exists, the utility model aims to provide a wrist through the hand that corresponds the first in command when using the chain saw ties in the wrist cover to the effect that replaces palm and the first in command by the wrist cover under the condition that the first in command snap off or the palm skids and breaks away from the first in command prevents to appear damaging the chain saw of preventing taking off the hand of circumstances such as injures and deaths.

In order to achieve the above purpose, the utility model provides a following technical scheme: the novel multifunctional saw comprises a casing, a guide plate and a saw chain, wherein the guide plate is fixedly arranged on the casing, the chain saw is arranged on the periphery of the guide plate, a first handle is arranged on the periphery of the casing, a second handle is arranged on the rear side of the casing, and a wrist sleeve bound on the wrist is arranged on the casing.

By adopting the technical scheme, the palm corresponding to the first handle is held in the first handle, the palm corresponding to the second handle is held in the second handle for use and operation, and the wrist of the hand corresponding to the first handle is bound in the wrist sleeve, so that even if the first handle is broken off or the palm is separated from the first handle, the binding force of the wrist sleeve on the wrist can also be used as a supporting action point in an emergency situation, and the chain saw is prevented from falling, colliding and damaging and casualties of people are prevented.

The utility model discloses further set up to: an elastic rope is arranged between the wrist sleeve and the casing, one end of the elastic rope is fixedly connected to the casing, and the other end of the elastic rope is fixedly connected to the wrist sleeve.

Through adopting above-mentioned technical scheme, the wrist cover and casing are connected in setting up of elasticity rope for can make the elasticity rope be in the lax state and guarantee the setting of wrist cover and do not play the interference effect to normal use under the normal use condition, and under abnormal conditions, the elasticity rope is taut gradually and prevents to drop.

The utility model discloses further set up to: be provided with spacing subassembly between muffetee and the casing, spacing subassembly includes inserted bar and sleeve, the axial one end of inserted bar sets up in the casing, telescopic axial one end sets up in the muffetee, be provided with the jack that slides along the axial in the sleeve, and the jack that slides is located the sleeve and deviates from the muffetee side and be provided with and insert and establish the entry, the inserted bar slides and inserts and locate in the jack that slides, the jack that slides is located to insert and establishes the entry side and be provided with the first location bulge loop that prevents the inserted bar and deviate from the jack that slides, the inserted bar is located to deviate from the casing side and is provided with the second location bulge loop that offsets complex with first location bulge loop.

By adopting the technical scheme, 1, the limiting assembly is clamped by the insertion rod and the first positioning convex ring and the second positioning convex ring in the sleeve to prevent the uncontrollable chain saw caused by breakage of the elastic rope, so that a double-guarantee effect is achieved; 2. the inserted link slides in the wristlet, and does not play a limiting role when the first positioning convex ring and the second positioning convex ring are not contacted, so that the interference of the existence of the inserted link and the sleeve on normal work is prevented.

The utility model discloses further set up to: the limiting assembly comprises a first mounting assembly for mounting the inserted link on the casing and a second mounting assembly for mounting the sleeve on the wrist sleeve, the first mounting assembly comprises a first mounting block and a first ball, the first mounting block is fixedly arranged on the casing, a first ball groove matched with the first ball in shape and size is arranged in the first mounting block, the first ball is rotatably arranged in the first ball groove, the first ball is provided with a first convex part extending out of the first ball groove, the inserted link is fixedly arranged on the first convex part, the second mounting assembly comprises a second mounting block and a second ball, the second mounting block is fixedly arranged on the wrist sleeve, a second ball groove matched with the second ball in shape and size is arranged in the second mounting block, the second ball is rotatably arranged in the second ball groove, and the second ball is provided with a second convex part extending out of the second ball groove, the sleeve is fixedly arranged on the second protruding part.

Through adopting above-mentioned technical scheme, the setting of first installation component and second installation component then utilizes the roll of first ball and second ball to further remove the relative usefulness of oversleeve and casing for the interference of spacing subassembly is littleer under the normal operating condition of chain saw.

The utility model discloses further set up to: the first mounting block comprises a first base body and a first cap which can be separated from each other, the first bead groove comprises a first hemispherical groove arranged on the first base body and a first fixing groove positioned on the first cap, the second mounting block comprises a second base body and a second cap which can be separated from each other, and the second bead groove comprises a second hemispherical groove arranged on the second base body and a second fixing groove positioned on the second cap.

Through adopting above-mentioned technical scheme, first installation piece and second installation piece correspond the pearl groove and components of a whole that can function independently setting according to self for installation, dismantlement, maintenance are more convenient.

The utility model discloses further set up to: the wrist sleeve comprises a sleeve body matched with a wrist and a fastening assembly used for fastening the wrist to the sleeve body, wrist inlets and wrist outlets are formed in the two sides of the sleeve body along the length direction of the arm, a wrist tightening opening is formed in the sleeve body along one side perpendicular to the length direction of the arm, the fastening assembly comprises a fastening belt, a fastening pressing plate and a fixed torsion spring, the fastening belt and the fastening pressing plate are respectively arranged on the two sides of the wrist tightening opening along the direction perpendicular to the length direction of the arm, the fastening pressing plate is rotatably arranged on the sleeve body, one end of the fastening belt is arranged on the sleeve body, the other end of the fastening belt is inserted between the fastening pressing plate and the sleeve body, a plurality of clamping grooves are formed in the fastening belt in an equidistant arrangement mode, clamping teeth are arranged on the fastening pressing plate towards the clamping groove side, the fixed torsion spring is arranged between the fastening pressing plate and the, The other end is propped against the sleeve body, and the reset direction of the fixed torsion spring is the same as the movement direction of the clamping teeth towards the clamping groove.

Through adopting above-mentioned technical scheme, the oversleeve adopts two sections external member bodies that have the wrist and import and export to wear with the wrist, and inserts through the fastening area and locate in the clearance of fastening clamp plate and external member body to realize that the fixture block card is located and is accomplished fixedly in the draw-in groove, and guarantee the fixed validity of fixture block and draw-in groove under the effect of fixed torsional spring, in addition, the mode of dismantlement then accessible external force pressure moves fixed clamp plate and makes the fixture block break away from the draw-in groove, thereby carries out the elasticity regulation.

The utility model discloses further set up to: the number of the fastening components is a plurality of groups, and the fixing components are arranged along the length direction of the arm.

Through adopting above-mentioned technical scheme, the setting of many fastening components then passes through the fastening area at the different positions of wrist along arm length direction taut for the fastening effect is better.

The invention is further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is an assembly view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is a partial cross-sectional view of a wristband according to an embodiment of the present invention;

FIG. 5 is a front view of a wristband in accordance with an embodiment of the present invention;

fig. 6 is an enlarged view of B in fig. 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the present invention discloses a chain saw preventing a hand from falling off, which comprises a casing 1, a guide plate 2, and a saw chain 3, wherein the guide plate 2 is fixed on the right casing 1 by bolts, etc., and extends to the right, the chain saw is arranged on the periphery of the guide plate 2, in addition, an engine (not shown in the figure) for controlling the operation of the chain saw is arranged in the casing 1, and a starting handle 11 is arranged on the outer side of the casing 1, so that the internal engine operates by pulling the starting handle 11, thereby driving the operation of the chain saw, in addition, a first handle 12 is fixedly arranged on the periphery of the casing 1 by bolts, a pin rod, etc., so that the palm which plays a main supporting role of a user holds the first handle 12 to operate the chain saw, in addition, a second handle 13 is integrally formed on the rear side of the casing 1, so that the other hand of the user holds the second handle 13, in addition, a throttle 14 is provided on the second handle 13, so that the user can accelerate the saw chain 3 by pressing the throttle 14.

Preferably, the casing 1 in this embodiment is further provided with an air outlet 15, so that the inside of the casing 1 is ventilated more conveniently and effectively.

As shown in fig. 1-3, the casing 1 of the present embodiment is provided with a wrist sleeve 4, so that the wrist of the hand holding the first handle 12 is tied inside the wrist sleeve 4 to play an unexpected protection role, and the accident caused by the crash of the first handle 12 or the palm breaking away from the first handle 12 to make the chain saw lose control is prevented. In addition, be provided with elasticity rope 5 between muffetee 4 and the casing 1, and the quantity of elasticity rope 5 is two, set up respectively in casing 1 both sides, wherein, the both ends accessible of elasticity rope 5 bonds, the riveting, on modes such as apron 51 extrusion are fixed in casing 1 and muffe 4 respectively, this embodiment adopts 5 riveting of elasticity rope on apron 51, and realize fixedly through being fixed in casing 1 or muffe 4 of riveted mode with apron 51, consequently, the setting of elasticity rope 5, then can realize the relative casing 1 of muffe 4 optional change position, thereby make the normal behavior of chain saw not influenced in the setting of muffe 4.

In addition, a limiting component 6 is disposed between the wristband 4 and the casing 1 in this embodiment, the limiting component 6 includes a first mounting component 61, a second mounting component 62, an inserting rod 63 and a sleeve 64, wherein the first mounting component 61 includes a first mounting block 611 and a first ball 612, the first mounting block 611 is fixed to the casing 1 by welding, integral molding and the like, and a first ball groove 613 adapted to the shape and size of the first ball 612 is formed in the first mounting block 611, so that the first ball 612 is rotatably disposed in the first ball groove 613, in addition, the first ball groove 613 is provided with a notch, so that a part of the first ball 612 penetrates through the first ball groove 613 to be disposed as a first protruding portion 6121, thereby achieving the purpose that one axial end of the inserting rod 63 is welded and fixed to the first protruding portion 6121, similarly, the second mounting component 62 includes a second mounting block 621 and a second ball 622, and the second mounting block 621 is welded and fixed to the first protruding portion of the first mounting block 6121, The second ball groove 623 is formed in the second mounting block 621 in an integrally-formed manner, the second ball 622 is rotatably disposed in the second ball groove 623, the second ball 622 extends out of the second ball groove 623 and is provided with a second protruding portion 6221, one end of the sleeve 64 in the axial direction is fixed to the second protruding portion 6221 by welding, a sliding insertion hole 641 is axially disposed in the sleeve 64, the sliding insertion hole 641 is disposed on a side of the sleeve 64 away from the wrist cover 4 and is provided with an insertion inlet 642, the insertion rod 63 is slidably inserted into the sliding insertion hole 641, the sliding insertion hole 641 is disposed on the insertion inlet 642 and protrudes inward in the radial direction, and correspondingly, the insertion rod 63 is disposed on a side of the sleeve 1 and protrudes outward in the radial direction and is provided with a second positioning protruding ring 631 abutting against the first positioning protruding ring 643, therefore, even when the elastic cord 5 is broken, the position-limiting assembly 6 can be fixed and limited by the first positioning convex ring 643 and the second positioning convex ring 631 through the relative sliding of the inserting rod 63 and the sleeve 64 to the maximum displacement position, and the second protection effect is achieved.

Preferably, the first mounting block 611 in this embodiment includes a first base 6111 and a first cap 6112 that are connected to each other by a thread or the like, wherein the first ball groove 613 is divided by the first base 6111 and the first cap 6112 into a first hemispherical groove 6131 disposed on the first base 6111 and a first fixing groove 6132 disposed on the first cap 6112, so that the first ball 612 can be easily detached and maintained, and similarly, the second mounting block 621 includes a second base 6211 and a second cap 6212 that are separable from each other, and the second ball groove 623 includes a second hemispherical groove 6231 disposed on the second base 6211 and a second fixing groove 6232 disposed on the second cap 6212.

As shown in fig. 1 and fig. 4-6, the wristband 4 of the present embodiment includes a set body 41 adapted to a wrist and fastening elements 42 for fastening the wrist to the set body 41, the set body 41 is provided with wrist inlets and outlets 411 along two sides of the length direction of the arm, the set body 41 is provided with a wrist tightening opening 412 along the upper side perpendicular to the length direction of the arm, and in addition, two sets of fastening elements 42 are provided and arranged on the wrist tightening opening 412 side along the length direction of the arm, wherein the fastening elements 42 include a fastening belt 421, a fastening pressure plate 422 and a fixed torsion spring 423, and the fastening belt 421 and the fastening pressure plate 422 are respectively provided on two sides of the wrist tightening opening 412 along the length direction perpendicular to the arm, wherein a rotation rod 4221 is integrally formed on the fastening pressure plate 422, so that the fastening pressure plate 422 is rotated to the set body 41 by inserting the rotation rod 4221 into the set body 41, one end of the fastening belt 421 is rotatably disposed on the sleeve body 41 by means of a hinge rod 424, the other end is inserted between the fastening pressing plate 422 and the sleeve body 41, and can slide, in addition, a plurality of triangular prism-shaped clamping grooves 4211 are disposed at equal intervals on the fastening belt 421, and corresponding clamping teeth 4222 are disposed on the fastening pressing plate 422 facing the clamping grooves 4211, in addition, a fixed torsion spring 423 is sleeved on the rotating rod 4221, one end of the fixed torsion spring abuts against the fastening pressing plate 422, the other end of the fixed torsion spring abuts against the sleeve body 41, and a pre-twisting force is provided in the fixed torsion spring 423, so that the resetting direction of the fixed torsion spring is the same as the moving direction of the clamping teeth 4222 towards the clamping grooves 4211. Therefore, the wristband 4 is worn on the wrist by the aid of the sleeve body 41 with the wrist inlet and outlet 411 at two ends, and the fastening belt 421 is inserted into a gap between the fastening pressing plate 422 and the sleeve body 41, so that the fixture block is clamped in the clamping groove 4211 to be fixed, the fixture block is guaranteed to be fixed with the clamping groove 4211 under the action of the fixing torsion spring 423, in addition, the fixing pressing plate can be pressed by external force in a disassembling mode to enable the fixture block to be separated from the clamping groove 4211, and tightness adjustment is performed.

Claims

1. The utility model provides a chain saw of anticreep hand, includes casing, baffle, saw chain, the baffle is fixed to be set up on the casing, the saw chain sets up in the baffle periphery, the rear side that the periphery of casing was provided with the first in command, casing is provided with second handle, its characterized in that: the shell is provided with a wrist sleeve bound on the wrist.

2. A drop-proof chain saw as claimed in claim 1, wherein: an elastic rope is arranged between the wrist sleeve and the casing, one end of the elastic rope is fixedly connected to the casing, and the other end of the elastic rope is fixedly connected to the wrist sleeve.

3. A drop-proof chain saw as claimed in claim 2, wherein: be provided with spacing subassembly between muffetee and the casing, spacing subassembly includes inserted bar and sleeve, the axial one end of inserted bar sets up in the casing, telescopic axial one end sets up in the muffetee, be provided with the jack that slides along the axial in the sleeve, and the jack that slides is located the sleeve and deviates from the muffetee side and be provided with and insert and establish the entry, the inserted bar slides and inserts and locate in the jack that slides, the jack that slides is located to insert and establishes the entry side and be provided with the first location bulge loop that prevents the inserted bar and deviate from the jack that slides, the inserted bar is located to deviate from the casing side and is provided with the second location bulge loop that offsets complex with first location bulge loop.

4. A drop-proof chain saw as claimed in claim 3, wherein: the limiting assembly comprises a first mounting assembly for mounting the inserted link on the casing and a second mounting assembly for mounting the sleeve on the wrist sleeve, the first mounting assembly comprises a first mounting block and a first ball, the first mounting block is fixedly arranged on the casing, a first ball groove matched with the first ball in shape and size is arranged in the first mounting block, the first ball is rotatably arranged in the first ball groove, the first ball is provided with a first convex part extending out of the first ball groove, the inserted link is fixedly arranged on the first convex part, the second mounting assembly comprises a second mounting block and a second ball, the second mounting block is fixedly arranged on the wrist sleeve, a second ball groove matched with the second ball in shape and size is arranged in the second mounting block, the second ball is rotatably arranged in the second ball groove, and the second ball is provided with a second convex part extending out of the second ball groove, the sleeve is fixedly arranged on the second protruding part.

5. A drop-proof chain saw as claimed in claim 4, wherein: the first mounting block comprises a first base body and a first cap which can be separated from each other, the first bead groove comprises a first hemispherical groove arranged on the first base body and a first fixing groove positioned on the first cap, the second mounting block comprises a second base body and a second cap which can be separated from each other, and the second bead groove comprises a second hemispherical groove arranged on the second base body and a second fixing groove positioned on the second cap.

6. A drop-proof chain saw as claimed in claim 1, wherein: the wrist sleeve comprises a sleeve body matched with a wrist and a fastening assembly used for fastening the wrist to the sleeve body, wrist inlets and wrist outlets are formed in the two sides of the sleeve body along the length direction of the arm, a wrist tightening opening is formed in the sleeve body along one side perpendicular to the length direction of the arm, the fastening assembly comprises a fastening belt, a fastening pressing plate and a fixed torsion spring, the fastening belt and the fastening pressing plate are respectively arranged on the two sides of the wrist tightening opening along the direction perpendicular to the length direction of the arm, the fastening pressing plate is rotatably arranged on the sleeve body, one end of the fastening belt is arranged on the sleeve body, the other end of the fastening belt is inserted between the fastening pressing plate and the sleeve body, a plurality of clamping grooves are formed in the fastening belt in an equidistant arrangement mode, clamping teeth are arranged on the fastening pressing plate towards the clamping groove side, the fixed torsion spring is arranged between the fastening pressing plate and the, The other end is propped against the sleeve body, and the reset direction of the fixed torsion spring is the same as the movement direction of the clamping teeth towards the clamping groove.

7. A drop-proof chain saw as claimed in claim 6, wherein: the number of the fastening components is a plurality of groups, and the fastening components are arranged along the length direction of the arm.