CN204217536U - A kind of lubricating oil output device of chain saw - Google Patents

Abstract

The utility model belongs to the technical field of chain saws, in particular to a lubricating oil output device of a chain saw. The lubricating oil output device of the chainsaw of the utility model comprises a chainsaw drive shaft, an eccentric wheel, a hose and an oil outlet valve, the eccentric wheel is arranged on the chainsaw drive shaft, the hose is arranged inside the casing, and It is perpendicular to the eccentric wheel and is in contact with one end of the eccentric wheel. The oil outlet valve is set at one end of the hose; the chainsaw drive shaft drives the eccentric wheel to rotate, and squeezes the hose so that the The lubricating oil in the hose flows out from the oil outlet valve to lubricate the saw chain. The lubricating oil output device of the chain saw in the embodiment of the utility model can replace the oil pump with a relatively complicated structure. Compared with the old oil supply device, the eccentric movement structure is used to squeeze the hose to supply oil, which reduces the number of parts such as worm gears and oil pumps, and can Save space, reduce weight, and reduce parts costs and assembly costs, you can get better economic benefits.

Description

Lubricating oil output device for chainsaw

technical field

The utility model belongs to the technical field of chain saws, in particular to a lubricating oil output device of a chain saw.

Background technique

Chainsaws are power tools used for felling, pruning and lumber. Under working conditions, the chain saw needs to be lubricated. The existing oil supply devices for chainsaws mostly use traditional mechanically driven oil pumping methods such as worm gears and worms. The structure is relatively complex and requires a certain amount of space to install the device, which occupies a large installation space and the processing cost of parts is relatively high.

Contents of the invention

The utility model provides a lubricating oil output device for a chainsaw, aiming at solving the technical problems that the existing chainsaw oil supply device has a complex structure, takes up a large installation space and has high processing costs for components.

The utility model is achieved in this way, a lubricating oil output device for a chainsaw, comprising a chainsaw drive shaft, an eccentric wheel, a hose and an oil outlet valve, the eccentric wheel is arranged on the chainsaw drive shaft, the hose It is located inside the box and is perpendicular to the eccentric wheel and in contact with one end of the eccentric wheel. The oil outlet valve is set at one end of the hose; the chainsaw drive shaft drives the eccentric wheel to rotate, and the hose Squeeze to make the lubricating oil in the hose flow out from the oil outlet valve to lubricate the saw chain.

The technical solution adopted by the embodiment of the utility model also includes: further comprising an oil inlet valve, and the oil inlet valve is arranged at the other end of the hose.

The technical solution adopted by the embodiment of the utility model also includes: further comprising a directional moving slider, the directional moving slider is installed in the chute and connected with the eccentric wheel; the eccentric wheel is driven to rotate through the chain saw transmission shaft, and The eccentric wheel drives the directional moving slider to reciprocate along the chute to squeeze the hose.

The technical solution adopted by the embodiment of the utility model also includes: a spring and a positioning column, one end of the spring is fixedly connected to the chainsaw drive shaft, and the other end is fixedly connected to the eccentric wheel, and the positioning column is connected to the inclined surface on the eccentric wheel contact, when the drive shaft of the chainsaw drives the eccentric wheel to rotate, the axial movement of the eccentric wheel is controlled by the limiting action of the positioning column and the elastic action of the spring, so that the eccentric wheel reciprocates in the axial direction.

The technical solution adopted by the embodiment of the utility model further includes: the chainsaw transmission shaft is a chainsaw driving shaft or a driven shaft.

The lubricating oil output device of the chain saw in the embodiment of the utility model can replace the oil pump with a relatively complicated structure. Compared with the old oil supply device, the eccentric movement structure is used to squeeze the hose to supply oil, reducing the number of parts such as worm gears and oil pumps, which can Save space, reduce weight, and reduce parts costs and assembly costs, you can get better economic benefits.

Description of drawings

Accompanying drawing 1 is the structure diagram of the lubricating oil output device of the chain saw of the first embodiment of the present invention;

Accompanying drawing 2 is the structure schematic diagram of the lubricating oil output device of the chain saw of the second embodiment of the present invention;

Accompanying drawing 3 is the structural schematic diagram of the lubricating oil output device of the chain saw in the third embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to FIG. 1 , which is a schematic structural diagram of a lubricating oil output device of a chainsaw according to a first embodiment of the present invention. The lubricating oil output device of the chain saw in the first embodiment of the utility model includes a chain saw drive shaft 1, an eccentric wheel 2, a hose 3, an oil inlet valve 4 and an oil outlet valve 5; On the shaft 1, the hose 3 is set inside the box (not shown in the figure), and is perpendicular to the eccentric wheel 2 and is in contact with one end of the eccentric wheel 2. The oil inlet valve 4 and the oil outlet valve 5 are respectively arranged at the ends of the hose 3 Both ends; drive the eccentric wheel 2 to rotate through the chainsaw drive shaft 1, and every time the eccentric wheel 2 rotates one circle, the end in contact with the hose 3 will respectively contact the hose 3 once and deviate from the hose 3 once; when the eccentric wheel 2 When touching the hose 3, squeeze the contact part of the hose 3. At this time, the oil inlet valve 4 at one end of the hose 3 is closed, and the oil outlet valve 5 at the other end is opened, and the lubricating oil in the hose 3 is released from the oil outlet valve. 5 flows out to lubricate the saw chain; when the eccentric wheel 2 deviates from the hose 3, the squeezed part of the hose 3 rebounds, at this time, the oil outlet valve 5 is closed, the oil inlet valve 4 is opened, and the lubricating oil passes through the oil inlet valve 4 flows into hose 3. Repeatedly, the drive shaft 1 of the chain saw drives the eccentric wheel 2 to rotate and the hose 3 is squeezed and rebounded periodically, so as to achieve the purpose of continuously pumping oil to the saw chain. In the first embodiment of the present utility model, the transmission shaft 1 of the chainsaw is the driving shaft or the driven shaft of the chainsaw.

Please refer to FIG. 2 , which is a schematic structural diagram of the lubricating oil output device of the chain saw according to the second embodiment of the present invention. In the second embodiment of the present utility model, the lubricating oil output device of the chainsaw also includes a directional moving slider 6, which is installed in a chute (not shown) and connected with the eccentric wheel 2; The transmission shaft 1 drives the eccentric wheel 2 to rotate, and the eccentric wheel 2 drives the directional moving slider 6 to reciprocate along the chute. Every time the eccentric wheel 2 rotates, it drives the directional moving slider to do a reciprocating motion, so that the directional moving slider 6 One end of the hose 3 touches the hose 3 once and deviates from the hose 3 once. When the directional movement slider 6 touches the hose 3, it squeezes the contact part of the hose 3. At this time, the oil inlet valve 4 at one end of the hose 3 is closed. , the oil outlet valve 5 at the other end is opened, and the lubricating oil in the hose 3 flows out from the oil outlet valve 5 to lubricate the saw chain; At this time, the oil outlet valve 5 is closed, the oil inlet valve 4 is opened, and the lubricating oil flows into the hose 3 through the oil inlet valve 4. Repeatedly, the chainsaw drive shaft 1 drives the eccentric wheel 2 to rotate, and the eccentric wheel 2 drives the directional moving slider 6 to reciprocate, so that the hose 3 is squeezed and rebounded periodically, so as to achieve continuous pump oil supply. The purpose of the saw chain. In the second embodiment of the utility model, the drive shaft 1 of the chain saw is the driving shaft or the driven shaft of the chain saw; in addition, the size of the sliding block 6 can also be adjusted or set according to the orientation to adjust the oil output of the lubricating oil .

Please refer to FIG. 3 , which is a schematic structural diagram of a lubricating oil output device of a chainsaw according to a third embodiment of the present invention. In the third embodiment of the present utility model, the two ends of the eccentric wheel 2 are respectively provided with a spring 7 and a positioning column 8, one end of the spring 7 is fixedly connected with the chainsaw transmission shaft 1, and the other end is fixedly connected with the eccentric wheel 2, and the positioning The column 8 is in contact with the inclined surface on the eccentric wheel 2 to control the axial movement of the eccentric wheel. When the chainsaw drive shaft 1 drives the eccentric wheel 2 to rotate, due to the restriction of the positioning column 8 and the elastic effect of the spring 7, the eccentric wheel 2 reciprocates in the axial direction, that is, the eccentric wheel 2 is rotating and reciprocating in the axial direction at the same time Movement; when the eccentric wheel 2 contacts the hose 3, it squeezes the contact part of the hose 3. At this time, the oil inlet valve 4 at one end of the hose 3 is closed, and the oil outlet valve 5 at the other end is opened, and the eccentric wheel 2 passes through the shaft. The oil in the hose 3 is squeezed from the oil inlet valve 4 to the oil outlet valve 5 to achieve the purpose of pumping oil; when the eccentric wheel 2 deviates from the hose 3, the squeezed part of the hose 3 rebounds and the eccentric The wheel 2 is axially reset under the restriction of the positioning column 8 and the elasticity of the spring 7. At this time, the oil outlet valve 5 is closed, the oil inlet valve 4 is opened, and the lubricating oil flows into the hose 3 through the oil inlet valve 4. In the third embodiment of the present invention, the transmission shaft 1 of the chainsaw is the driving shaft or the driven shaft of the chainsaw.

The lubricating oil output device of the chain saw in the embodiment of the utility model can replace the oil pump with a relatively complicated structure. Compared with the old oil supply device, the eccentric movement structure is used to squeeze the hose to supply oil, reducing the number of parts such as worm gears and oil pumps, which can Save space, reduce weight, and reduce parts costs and assembly costs, you can get better economic benefits.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (5)

1. A lubricating oil output device for a chainsaw, characterized in that: it comprises a chainsaw drive shaft, an eccentric wheel, a flexible pipe and an oil outlet valve, the eccentric wheel is arranged on the chainsaw drive shaft, and the flexible pipe is arranged on The inside of the casing is perpendicular to the eccentric wheel and is in contact with one end of the eccentric wheel. The oil outlet valve is located at one end of the hose; the chainsaw drive shaft drives the eccentric wheel to rotate and squeezes the hose pressure, so that the lubricating oil in the hose flows out from the oil outlet valve to lubricate the saw chain. 2. The lubricating oil output device of a chainsaw according to claim 1, further comprising an oil inlet valve, and the oil inlet valve is arranged at the other end of the hose. 3. The lubricating oil output device of a chainsaw according to claim 1, further comprising a directional moving slider, the directional moving slider is installed in a chute and connected with the eccentric wheel; through the chainsaw The transmission shaft drives the eccentric wheel to rotate, and the eccentric wheel drives the directional moving slider to reciprocate along the chute to squeeze the hose. 4. The lubricating oil output device of a chainsaw according to claim 1, further comprising a spring and a positioning column, one end of the spring is fixedly connected to the chainsaw transmission shaft, and the other end is fixedly connected to the eccentric wheel, so that The positioning post is in contact with the inclined surface on the eccentric wheel. When the chainsaw drive shaft drives the eccentric wheel to rotate, the axial movement of the eccentric wheel is controlled by the restriction of the positioning post and the elastic action of the spring, so that the eccentric wheel Do reciprocating motion along the axis. 5 . The lubricating oil output device of a chainsaw according to claim 1 , 3 or 4, characterized in that, the chainsaw drive shaft is a chainsaw drive shaft or a driven shaft.