CN209793972U - Chain saw with chain plate pressing structure - Google Patents

Abstract

The utility model discloses a chain saw with chain plate compact structure, which comprises a housin, the chain plate, connecting rod and screw, the screw has all been seted up to the left end of both sides around the casing, and the quantity of every side screw is three, be the isosceles triangle structure between the three screw, the internal surface of three screw threaded connection has first screw rod respectively, second screw rod and third screw rod, and first screw rod, first driven gear dish has been cup jointed respectively to the surface of second screw rod and third screw rod, second driven gear dish and third driven gear dish, both ends all have the regulation pole through bearing swing joint around the casing is left. The utility model discloses there are first screw rod, second screw rod and third screw rod at the internal surface of three screw threaded connection respectively to through the effect of first driven gear dish, second driven gear dish and third driven gear dish and bearing, regulation pole, initiative gear dish, connecting rod, draw-in groove and rocking handle, can reach the fixed demand that compresses tightly to the chain board.

Description

chain saw with chain plate pressing structure

Technical Field

The utility model relates to a chain saw technical field specifically is a chain saw with chain plate compact structure.

Background

The chain saw is one of breaking and dismantling equipment, is mainly used for lumbering and material making, and has the working principle that the L-shaped blades staggered on a saw chain transversely move to perform shearing action, can be divided into a motor chain saw, a non-motor chain saw, a concrete chain saw and the like according to functions and driving modes, can be divided into a gasoline saw, an electric saw, a pneumatic saw and a hydraulic saw according to power sources, but the chain plate can be loosened after being used for a long time, and the use safety and the service life of the chain saw can be seriously reduced if the chain plate is not compressed and fixed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain saw with chain board compact structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the chain saw with the chain plate pressing structure comprises a shell, a chain plate, a connecting rod and screw holes, wherein the left ends of the front side and the rear side of the shell are respectively provided with three screw holes, an isosceles triangle structure is formed among the three screw holes, the inner surfaces of the three screw holes are respectively in threaded connection with a first screw rod, a second screw rod and a third screw rod, the outer surfaces of the first screw rod, the second screw rod and the third screw rod are respectively sleeved with a first driven gear disc, a second driven gear disc and a third driven gear disc, the front end and the rear end of the left side of the shell are respectively movably connected with an adjusting rod through a bearing, the outer surface of the adjusting rod is sleeved with a driving gear disc, the driving gear disc is in meshed connection with the first driven gear disc, the second driven gear disc and the third driven gear disc, the upper end of the inner surface of the connecting rod is provided with a clamping groove, and the lower end of, meanwhile, the adjusting rod and the clamping groove are of isosceles triangle structures, and the adjusting rod is clamped in an inner cavity of the clamping groove.

Preferably, the left end fixedly connected with machine oil storage tank at casing top, the oiling mouth has been seted up to the middle-end at machine oil storage tank top, and the top threaded connection of oiling mouth has sealed lid, and the left bottom intercommunication of machine oil storage tank has an oil outlet pipe, and the internal surface movable mounting of oil outlet pipe has the valve.

Preferably, the left end fixedly connected with second handle of casing bottom, and the upper end fixedly connected with the first in command on casing right side, the left end fixedly connected with work switch at first in command internal surface top, and two wiring ends of work switch are connected with power plug through the wire.

Preferably, screw holes are formed in the middle ends of the front side and the rear side of the shell, a motor is fixedly mounted at the right end of the front surface of the shell, a transmission wheel is fixedly connected to an output shaft of the motor, a chain is clamped on the outer surface of the chain plate, the right end of the chain is meshed with the transmission wheel and is connected with the right end of the inner surface of the chain plate, an adjusting groove is formed in the right end of the inner surface of the chain plate, and the chain plate is connected with.

Preferably, the first screw, the second screw and the third screw are fixedly connected with rubber pads at the ends close to the chain plate, and the rubber pads comprise neoprene rubber pads.

Compared with the prior art, the beneficial effects of the utility model are as follows:

The inner surfaces of the three screw holes of the utility model are respectively connected with a first screw rod, a second screw rod and a third screw rod by screw threads, and the connecting rod is clamped with the adjusting rod through the actions of the first driven gear disc, the second driven gear disc, the third driven gear disc, the bearing, the adjusting rod, the driving gear disc, the connecting rod, the clamping groove and the rocking handle, then rotate the rocking handle with the hand and thereby reach and drive connecting rod pivoted demand, the connecting rod can drive the regulation pole and the rotation of initiative toothed disc when the pivoted, the initiative toothed disc can drive first driven toothed disc when the pivoted, second driven toothed disc and third driven toothed disc rotate, first driven toothed disc, second driven toothed disc and third driven toothed disc can drive first screw rod respectively when the pivoted, second screw rod and third screw rod rotate in the screw is inside, thereby reach the fixed demand that compresses tightly to the chain slat.

drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

Fig. 3 is a schematic view of the three-dimensional structure of the driving gear plate of the present invention;

Fig. 4 is a schematic view of the three-dimensional structure of the connecting rod of the present invention.

in the figure: the automatic oil injection device comprises a shell 1, a chain plate 2, a chain 3, a rubber pad 4, a first screw rod 5, a second handle 6, a motor 7, a first handle 8, a first driven gear disc 9, a switch 10, a driving gear disc 11, an oil injection port 12, an engine oil storage tank 13, an oil outlet pipe 14, an adjusting rod 15, a second driven gear disc 16, a connecting rod 17, a driving wheel 18, a third screw rod 19, a third driven gear disc 20, a rocking handle 21, a second screw rod 22, a clamping groove 23, an adjusting groove 24 and a screw hole 25.

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 utility model discloses a casing 1, chain board 2, chain 3, rubber pad 4, first screw rod 5, second handle 6, motor 7, first handle 8, first driven gear dish 9, switch 10, driving gear dish 11, oiling mouth 12, machine oil storage tank 13, go out oil pipe 14, adjust pole 15, second driven gear dish 16, connecting rod 17, drive wheel 18, third screw rod 19, third driven gear dish 20, rocking handle 21, second screw rod 22, draw-in groove 23, adjustment tank 24 and screw 25 part are the parts that general standard spare or technical field personnel know, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, the chain saw with a chain plate pressing structure includes a housing 1, a chain plate 2, a connecting rod 17 and screw holes 25, the left ends of the front and rear sides of the housing 1 are respectively provided with three screw holes 25, the number of the screw holes 25 on each side is three, the three screw holes 25 are in an isosceles triangle structure, the inner surfaces of the three screw holes 25 are respectively in threaded connection with a first screw 5, a second screw 22 and a third screw 19, the ends of the first screw 5, the second screw 22 and the third screw 19 close to the chain plate 2 are respectively and fixedly connected with a rubber pad 4, which not only can improve the pressing and fixing effect on the chain plate 2, but also can prevent the chain plate 2 from being damaged due to the contact of the first screw 5, the second screw 22 and the third screw 19 with the chain plate 2, and the rubber pad 4 includes a neoprene rubber pad, and the outer surfaces of the first screw 5, the second screw 22 and the third screw 19 are respectively sleeved with a first driven gear disc 9, a second, A second driven gear disc 16 and a third driven gear disc 20, both ends of the left front and back of the shell 1 are movably connected with an adjusting rod 15 through bearings, a driving gear disc 11 is sleeved on the outer surface of the adjusting rod 15, the driving gear disc 11 is connected with the first driven gear disc 9, the second driven gear disc 16 is connected with the third driven gear disc 20 in a meshing manner, a clamping groove 23 is formed in the upper end of the inner surface of a connecting rod 17, a rocking handle 21 is fixedly connected to the lower end of the front surface of the clamping groove 23, people clamp the connecting rod 17 with the adjusting rod 15, then the rocking handle 21 is rotated by hands to meet the requirement of driving the connecting rod 17 to rotate, the connecting rod 17 can drive the adjusting rod 15 and the driving gear disc 11 to rotate while rotating, the driving gear disc 11 can drive the first driven gear disc 9, the second driven gear disc 16 and the third driven gear disc 20 to rotate while rotating, the first driven gear, The second driven gear disc 16 and the third driven gear disc 20 respectively drive the first screw 5, the second screw 22 and the third screw 19 to rotate inside the screw hole 25 while rotating, thereby achieving the pressing and fixing requirements for the chain plate 2, meanwhile, the adjusting rod 15 and the clamping groove 23 are both of isosceles triangle structures, the adjusting rod 15 is clamped in the inner cavity of the clamping groove 23, the left end of the top of the casing 1 is fixedly connected with an engine oil storage tank 13, the middle end of the top of the engine oil storage tank 13 is provided with an oil injection port 12, the top of the oil injection port 12 is in threaded connection with a sealing cover, the left bottom of the engine oil storage tank 13 is communicated with an oil outlet pipe 14, the inner surface of the oil outlet pipe 14 is movably provided with a valve, the left end of the bottom of the casing 1 is fixedly connected with a second handle 6, the upper end of the right side of the casing 1 is fixedly connected with a, and two wiring ends of the working switch 10 are connected with a power plug through a lead, people firstly insert the power plug into a jack of an external power supply to electrify the chain saw, then press the working switch 10, the working switch 10 turns on the motor 7, the motor 7 can drive the driving wheel 18 to rotate while rotating, the driving wheel 18 can drive the chain 3 to move while rotating, thereby achieving the starting purpose of the chain saw, screw holes 25 are respectively arranged at the middle ends of the front side and the rear side of the shell 1, the motor 7 is fixedly arranged at the right end of the front surface of the shell 1, the output shaft of the motor 7 is fixedly connected with the driving wheel 18, the chain 3 is clamped on the outer surface of the chain plate 2, the right end of the chain 3 is meshed with the driving wheel 18, an adjusting groove 24 is arranged at the right end of the inner surface of the chain plate 2, and the chain.

When the chain saw is used, a power plug is firstly inserted into a jack of an external power supply to electrify the chain saw, then the working switch 10 is pressed down, the motor 7 is opened by the working switch 10, the motor 7 can drive the driving wheel 18 to rotate while rotating, the driving wheel 18 can drive the chain 3 to move while rotating, so that the chain saw is started, the inner surfaces of the three screw holes 25 are respectively in threaded connection with the first screw rod 5, the second screw rod 22 and the third screw rod 19, the connecting rod 17 is clamped with the adjusting rod 15 by people through the first driven gear disc 9, the second driven gear disc 16, the third driven gear disc 20, the bearing, the adjusting rod 15, the driving gear disc 11, the connecting rod 17, the clamping groove 23 and the rocking handle 21, then the rocking handle 21 is rotated by hands to meet the requirement of driving the connecting rod 17, the connecting rod 17 can drive the adjusting rod 15 and the driving gear disc 11 to rotate while rotating, the driving gear disc 11 can drive the first driven gear disc 9, the second driven gear disc 16 and the third driven gear disc 20 to rotate when rotating, and the first driven gear disc 9, the second driven gear disc 16 and the third driven gear disc 20 can respectively drive the first screw rod 5, the second screw rod 22 and the third screw rod 19 to rotate inside the screw hole 25 when rotating, so that the pressing and fixing requirements for the chain plate 2 are met.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Chain saw with chain board compact structure, including casing (1), chain board (2), connecting rod (17) and screw (25), its characterized in that: the left ends of the front side and the rear side of the shell (1) are respectively provided with a screw hole (25), the number of the screw holes (25) on each side is three, an isosceles triangle structure is arranged among the three screw holes (25), the inner surfaces of the three screw holes (25) are respectively in threaded connection with a first screw rod (5), a second screw rod (22) and a third screw rod (19), the outer surfaces of the first screw rod (5), the second screw rod (22) and the third screw rod (19) are respectively sleeved with a first driven gear disc (9), a second driven gear disc (16) and a third driven gear disc (20), the front end and the rear end of the left side of the shell (1) are respectively in movable connection with an adjusting rod (15) through a bearing, the outer surface of the adjusting rod (15) is sleeved with a driving gear disc (11), and the driving gear disc (11) is in meshed connection with the first driven gear disc (9), the second driven gear disc (16) and the third driven gear disc, draw-in groove (23) have been seted up to the upper end of connecting rod (17) internal surface, and draw-in groove (23) positive surface's lower extreme fixedly connected with rocking handle (21), and simultaneously, adjust pole (15) and draw-in groove (23) and be the isosceles triangle structure, and adjust pole (15) joint in the inner chamber of draw-in groove (23).

2. The chain saw with a chain plate pressing structure as recited in claim 1, wherein: the left end fixedly connected with machine oil storage tank (13) at casing (1) top, oiling mouth (12) have been seted up to the middle-end at machine oil storage tank (13) top, and the top threaded connection of oiling mouth (12) has sealed lid, and the left bottom intercommunication of machine oil storage tank (13) has oil pipe (14), and the internal surface movable mounting of oil pipe (14) has the valve.

3. The chain saw with a chain plate pressing structure as recited in claim 1, wherein: the left end fixedly connected with second handle (6) of casing (1) bottom, and the upper end fixedly connected with first in command (8) on casing (1) right side, the left end fixedly connected with work switch (10) at first in command (8) internal surface top, and two wiring ends of work switch (10) are connected with power plug through the wire.

4. The chain saw with a chain plate pressing structure as recited in claim 1, wherein: screw (25) have all been seted up to the middle-end of both sides around casing (1), and the right-hand member fixed mounting on casing (1) positive surface has motor (7), and the output shaft fixedly connected with drive wheel (18) of motor (7), and the surface joint of chain board (2) has chain (3), and the right-hand member and drive wheel (18) meshing of chain (3) are connected, and adjustment tank (24) have been seted up to the right-hand member of chain board (2) internal surface, and pass through fastening screw connection between chain board (2) and casing (1).

5. The chain saw with a chain plate pressing structure as recited in claim 1, wherein: and one ends of the first screw (5), the second screw (22) and the third screw (19) close to the chain plate (2) are fixedly connected with rubber pads (4), and the rubber pads (4) comprise neoprene rubber pads.