CN-224210124-U - Chain saw

Abstract

The utility model provides a chain saw, and further solves the problem that in the prior art, the oil pumping amount of a lubricating system can not be easily adjusted according to actual requirements. The chain saw comprises a cutting assembly, a lubricating system, a pump quantity adjusting assembly and a chain saw control system, wherein the cutting assembly comprises a driving device and a cutting structure in driving connection with the driving device, the lubricating system comprises a liquid supply device and a pump body, the pump body is used for pumping lubricating media stored in the liquid supply device into the cutting assembly, the pump quantity adjusting assembly comprises a first adjusting structure, the first adjusting structure is electrically connected with the pump body, the first adjusting structure is provided with a plurality of quantity adjusting modes, different quantity adjusting modes of the first adjusting structure correspond to different conveying quantities of the pump body.

Inventors

• Tang Lizhipeng

Assignees

• 劳尼克斯科技(南京)有限公司

Dates

Publication Date

20260508

Application Date

20250402

Claims (20)

1. 1. A chain saw, comprising: the cutting assembly comprises a driving device and a cutting structure in driving connection with the driving device; -a lubrication system (10) comprising a liquid supply device (11) and a pump body (12), the pump body (12) being adapted to pump a lubrication medium stored in the liquid supply device (11) into the cutting assembly; the pump volume adjusting assembly comprises a first adjusting structure (40), wherein the first adjusting structure (40) is electrically connected with the pump body (12), the first adjusting structure (40) is provided with a plurality of volume adjusting modes, and different volume adjusting modes of the first adjusting structure (40) correspond to different conveying volumes of the pump body (12).
2. 2. The chain saw as recited in claim 1, further comprising: The chain speed adjusting assembly comprises a second adjusting structure (30), wherein the second adjusting structure (30) is electrically connected with the driving device, the second adjusting structure (30) is provided with a plurality of speed adjusting modes, and different speed adjusting modes of the second adjusting structure (30) correspond to different output powers of the driving device so as to adjust the chain speed of the cutting structure.
3. 3. The chain saw as in claim 2, wherein the first adjustment structure (40) is a key or knob and/or the second adjustment structure (30) is a key or knob.
4. 4. The chain saw as recited in claim 2, further comprising a display panel (20), said first adjustment structure (40) and said second adjustment structure (30) being spaced apart on said display panel (20).
5. 5. The chain saw as set forth in claim 2, wherein the first adjustment structure (40) is a first key to switch different adjustment modes of the first adjustment structure (40) by pressing the first key and/or the second adjustment structure (30) is a second key to switch different adjustment modes of the second adjustment structure (30) by pressing the second key.
6. 6. The chain saw as recited in claim 1, further comprising: the control module is electrically connected with the driving device and the pump body (12); a power supply module for supplying power to the drive device, the control module and/or the pump body (12); When the electric quantity of the power supply module is smaller than or equal to a preset electric quantity value, the control module is used for controlling the driving device to drive the cutting structure to operate at the minimum chain speed.
7. 7. The chain saw as set forth in claim 5, wherein the first adjustment structure (40) further has a closed mode, the plurality of adjustment modes including an economy mode, a normal mode and an enhanced mode in which a conveying amount of the pump body (12) increases in order to reciprocally switch the pump amount adjustment assembly among the economy mode, the normal mode, the enhanced mode and the closed mode by successively pressing the first key.
8. 8. A chainsaw according to claim 7, wherein the difference in output between adjacent two of the metering modes is uniform along the metering direction in which the output of the pump body (12) is gradually increased or gradually decreased.
9. 9. The chain saw as set forth in claim 5, wherein the plurality of governor modes includes a low speed mode, a medium speed mode and a high speed mode in which a chain speed increases in sequence, the chain adjustment assembly being in the low speed mode when the chain saw is in an initial state to reciprocally switch the chain adjustment assembly between the medium speed mode, the high speed mode and the low speed mode by successively pressing the second key.
10. 10. The chain saw as in claim 9, wherein the chain speed difference between adjacent two of the governor modes is uniform along a direction of increasing or decreasing chain speed.
11. 11. The chain saw as recited in claim 1, wherein said drive device is a motor, said chain saw further comprising: The first detection device is used for detecting the operation parameters of the motor, and judging that the chain saw is in a load state if the operation parameters exceed a first preset range, and judging that the chain saw is in an idle state if the operation parameters are in the first preset range and last for a first time period t 1; Or the first detection device is used for detecting the working parameters of the cutting structure, and judging that the chain saw is in a load state if the working parameters exceed a second preset range, and judging that the chain saw is in an idle state if the working parameters are in the second preset range and last for a second time period t 2; Wherein the operating parameter comprises at least one of current, rotational speed of the motor, duty cycle of the motor, and temperature of the motor, and the operating parameter comprises at least one of temperature of the chain, vibration frequency of the chain, and vibration amplitude of the chain.
12. 12. The chain saw as recited in claim 2, further comprising: A first display device for displaying the current speed regulation mode of the chain speed regulation assembly, and/or, And the second display device is used for displaying the current quantity adjusting mode of the pump quantity adjusting assembly.
13. 13. The chain saw as recited in claim 1, wherein said lubrication system (10) further comprises: Second detection means (50) for detecting the quantity of lubricating medium in said liquid supply means (11); an alarm module; and the control module is connected with the second detection device (50) and the alarm module, wherein when the detection value of the second detection device (50) is smaller than or equal to a preset value, the control module controls the alarm module to send an alarm signal.
14. 14. The chain saw as recited in claim 13, wherein said lubrication system (10) further comprises: The liquid outlet of the liquid supply device (11) is communicated with the input end of the pump body (12) through the first pipeline (60); The output end of the pump body (12) is communicated with the second pipeline (70); Wherein the second detection device (50) is arranged in the first pipeline (60).
15. 15. The chain saw of claim 2, wherein the first adjustment structure (40) is a first knob, the pump amount adjustment assembly further comprises an amount adjustment module, the amount adjustment module is arranged in a control circuit of the pump body (12), a first annular resistor is arranged at the tail end of the first knob, the first annular resistor synchronously rotates with the first knob, an amount adjustment input end of the amount adjustment module is in point contact connection with the first annular resistor, and/or the second adjustment structure (30) is a second knob, the chain adjustment assembly further comprises a speed adjustment module, the speed adjustment module is arranged in the control circuit of the driving device, a second annular resistor is arranged at the tail end of the second knob, the second annular resistor synchronously rotates with the second knob, and a speed adjustment input end of the speed adjustment module is in point contact connection with the second annular resistor.
16. 16. A chain saw, comprising: the cutting assembly comprises a driving device and a cutting structure in driving connection with the driving device; -a lubrication system (10) comprising a liquid supply device (11) and a pump body (12), the pump body (12) being adapted to pump a lubrication medium stored in the liquid supply device (11) into the cutting assembly; The pump quantity adjusting assembly comprises a first adjusting structure (40), wherein the first adjusting structure (40) is electrically connected with the pump body (12), the first adjusting structure (40) is provided with a closing mode and a plurality of quantity adjusting modes, and different quantity adjusting modes of the first adjusting structure (40) correspond to different conveying quantities of the pump body (12); The chain speed adjusting assembly comprises a second adjusting structure (30), wherein the second adjusting structure (30) is electrically connected with the driving device, the second adjusting structure (30) is provided with a plurality of speed adjusting modes, and different speed adjusting modes of the second adjusting structure (30) correspond to different output powers of the driving device so as to adjust the chain speed of the cutting structure; And the control module is matched with the quantity adjusting mode of the pump quantity adjusting assembly according to the speed adjusting mode of the chain quantity adjusting assembly.
17. 17. The chain saw as recited in claim 16, wherein said drive device is a motor, said chain saw further comprising: The first detection device is used for detecting the operation parameters of the motor, judging that the chain saw is in a load state if the operation parameters exceed a first preset range, and judging that the chain saw is in an idle state if the operation parameters are in the first preset range and last for a first time period t 1; Or the first detection device is used for detecting the working parameters of the cutting structure, and judging that the chain saw is in a load state if the working parameters exceed a second preset range, and judging that the chain saw is in an idle state if the working parameters are in the second preset range and last for a second time period t 2; Wherein the operating parameter comprises at least one of current, rotational speed of the motor, duty cycle of the motor, and temperature of the motor, and the operating parameter comprises at least one of temperature of the chain, vibration frequency of the chain, and vibration amplitude of the chain.
18. 18. The chain saw as recited in claim 17, wherein a plurality of said governor modes are disposed in one-to-one correspondence and positively correlated with a plurality of said governor modes when the chain saw is in said loaded state.
19. 19. The chain saw as recited in claim 16, wherein the plurality of metering modes includes an economy mode, a normal mode, and an boost mode in which a delivery amount of the pump body (12) increases in order to reciprocally switch the pump metering assembly between the economy mode, the normal mode, the boost mode, and the off mode by successively pressing the first adjustment structure (40).
20. 20. The chain saw as recited in claim 16, wherein the plurality of governor modes includes a low speed mode, a medium speed mode, and a high speed mode in which a chain speed sequentially increases, the chain adjustment assembly being in the low speed mode when the chain saw is in an initial state to reciprocally switch the chain adjustment assembly between the medium speed mode, the high speed mode, and the low speed mode by sequentially pressing the second adjustment structure (30).

Description

Chain saw Technical Field The utility model relates to the technical field of chain saws, in particular to a chain saw. Background At present, chain saw is used as a widely used cutting tool, and is mainly used for cutting wood, concrete, brick, stone and other materials. The core cutting principle relies on the transverse movement of blades staggered on a chain, so that the cutting function is realized. In the prior art, when the chain saw works, a great amount of heat energy is generated by friction between a chain and a cut object and contact between the chain and other parts. To ensure proper operation and to extend the useful life of the chain saw, lubrication systems are typically employed to dissipate heat and reduce friction. However, when facing specific cutting materials or working conditions, the user cannot timely adjust the pump oil amount according to actual requirements or control the pump oil amount within a certain range, so that the use flexibility of the chain saw is limited, and the cutting efficiency and the user experience are affected. Disclosure of utility model Accordingly, the present utility model is directed to a chain saw to solve the problem that the oil pumping amount of the lubrication system cannot be easily adjusted according to the actual requirement in the prior art. In order to achieve the above object, an embodiment of the present utility model provides the following technical solution: The chain saw comprises a cutting assembly, a lubricating system and a pump body, wherein the cutting assembly comprises a driving device and a cutting structure in driving connection with the driving device, the lubricating system comprises a liquid supply device and the pump body, the pump body is used for pumping lubricating media stored in the liquid supply device into the cutting assembly, the pump quantity adjusting assembly comprises a first adjusting structure, the first adjusting structure is electrically connected with the pump body, the first adjusting structure is provided with a plurality of quantity adjusting modes, different quantity adjusting modes of the first adjusting structure correspond to different conveying quantities of the pump body. Through increasing pump volume adjustment subassembly in the chain saw, first adjustment structure and pump body electricity are connected, first adjustment structure has multiple volume modes of transferring, the transport volume of the pump body that first adjustment structure corresponds under different volume modes is different, so as to ensure that the chain saw is cutting different materials (like dry wood, wet wood, ice-cube, hard plastics etc.), lubrication system can provide the lubrication medium supply that just fits, the problem of lubrication deficiency or excessive lubrication has been avoided, the life of cutting subassembly and the performance of chain have effectively been prolonged, and then the problem of the pump oil volume of the unable regulation lubrication system according to actual demand of work in the prior art has been solved. Like this, the multiple volume mode of adjusting of first adjustment structure provides more nimble operation option for the user, can adjust the pump oil mass at any time according to actual need, has not only improved the cutting efficiency of chain saw, has also promoted staff's use and has experienced. Further, the chain saw further comprises a chain adjusting assembly, wherein the chain adjusting assembly comprises a second adjusting structure, the second adjusting structure is electrically connected with the driving device, the second adjusting structure is provided with a plurality of speed adjusting modes, and different speed adjusting modes of the second adjusting structure correspond to different output powers of the driving device so as to adjust the chain speed of the cutting structure. The second adjusting structure provides a plurality of speed regulation modes, and the output power of the driving device is different in each mode, so that the chain speed of the cutting structure is directly influenced, and a user can accurately adjust the chain speed according to the hardness, the humidity, the cutting difficulty and other factors of materials, so that the optimal cutting effect and efficiency are obtained. Further, the first adjustment structure is a key or knob, and/or the second adjustment structure is a key or knob. Through button or knob, the user can change pump oil mass and/or chain speed in real time, need not complicated menu navigation or set up the adjustment, has guaranteed the high-efficient conversion of chain saw between different cutting tasks. At the same time, the knob has fine adjustment capability, allowing the user to fine tune between a plurality of preset modes to achieve more accurate pump oil volume and/or chain speed control, particularly when fine tuning is required to accommodate a particular material or operating condition. Further, the chai