WO2023072249A1 - 链锯 - Google Patents

链锯 Download PDF

Info

Publication number
WO2023072249A1
WO2023072249A1 PCT/CN2022/128257 CN2022128257W WO2023072249A1 WO 2023072249 A1 WO2023072249 A1 WO 2023072249A1 CN 2022128257 W CN2022128257 W CN 2022128257W WO 2023072249 A1 WO2023072249 A1 WO 2023072249A1
Authority
WO
WIPO (PCT)
Prior art keywords
lubricating medium
output
oil
chain saw
control
Prior art date
Application number
PCT/CN2022/128257
Other languages
English (en)
French (fr)
Inventor
姜义邦
喻学锋
Original Assignee
苏州宝时得电动工具有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州宝时得电动工具有限公司 filed Critical 苏州宝时得电动工具有限公司
Publication of WO2023072249A1 publication Critical patent/WO2023072249A1/zh

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
    • B23D57/02—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws
    • B23D57/023—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws hand-held or hand-operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
    • B23D57/02—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B23D59/04—Devices for lubricating or cooling straight or strap saw blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/12—Lubricating devices specially designed for chain saws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N23/00—Special adaptations of check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems

Definitions

  • the invention relates to the technical field of electric tools, in particular to a chain saw.
  • a traditional chain saw usually includes a chain with a cutting edge and a guide plate for supporting the chain. During operation, the chain is driven by a motor to rotate around the surface of the guide plate to realize cutting of the workpiece.
  • the present invention provides a chain saw, which makes the action of pumping the lubricating medium purposeful and regular, avoids the waste of lubricating medium, and ensures the stable operation of the chain saw.
  • a chainsaw comprising:
  • the working head includes a guide plate and a cutting element wound around the guide plate, the guide plate is installed on the casing, and at least part of it protrudes out of the casing;
  • a driving device installed on the casing, for connecting and driving the cutting element to move around the guide plate;
  • a protective piece is movably mounted on the casing and at least partly covered on the working head;
  • the chainsaw also includes a pumping mechanism for delivering a lubricating medium to the guide plate and/or the cutting element; the pumping mechanism is configured to trigger output lubrication by movement of the guard medium.
  • the guard is configured such that when the working head gradually cuts into the object to be cut, the guard can be pushed by the object to move away from the working head, triggering the pumping mechanism to output lubricating medium.
  • the pumping mechanism does not output lubricating medium when the protective member does not move or moves toward the working head.
  • the guard is pivotally connected to the casing.
  • a reset member is also connected between the protective member and the casing, and the reset member acts on the protective member to drive the protective member to reset to an initial position.
  • the chainsaw also includes a linkage mechanism, the linkage mechanism is movably arranged and linked with the guard, the movement of the guard can drive the movement of the linkage mechanism, and trigger the pump through the linkage mechanism
  • the delivery mechanism outputs lubricating medium.
  • the pumping mechanism includes a lubricating medium storage chamber, a lubricating medium input channel, a lubricating medium output channel and a control part, the lubricating medium input channel communicates with the lubricating medium storage cavity, and the lubricating medium output channel extends To a position corresponding to the guide plate and/or the cutting element, the control part is arranged between the lubricating medium input channel and the lubricating medium output channel, between the lubricating medium input channel and the lubricating medium A lubricating medium passage is formed between the output channels, and the control part can control the on-off state of the lubricating medium passage, so that the pumping mechanism outputs the lubricating medium or does not output the lubricating medium; the linkage mechanism is configured to trigger the control unit.
  • linkage mechanism triggers the pumping mechanism to output the lubricating medium through conflicting cooperation with the control part.
  • control part includes a one-way valve and an elastic control
  • the elastic control forms an elastic working chamber
  • the elastic control is in sealing connection with the lubricating medium input passage and the lubricating medium output passage
  • the elastic The working chamber communicates with the lubricating medium input channel and the lubricating medium output channel respectively;
  • the one-way valve is arranged between the elastic working chamber, the lubricating medium input passage and the lubricating medium output passage, and is used to control that the lubricating medium can only flow into the lubricating medium in one direction from the lubricating medium input passage.
  • the linkage mechanism is configured to interfere with the elastic control, and control the on-off state of the one-way valve by pushing or releasing the elastic control, thereby controlling the connection between the elastic working chamber and the lubricating medium output channel or the The lubricating medium input channel is connected, so that the pumping mechanism outputs lubricating medium or does not output lubricating medium.
  • the pumping mechanism also includes a lubricating medium storage container, a lubricating medium input pipe, a lubricating medium output pipe and a mounting seat, the lubricating medium storage chamber is formed in the lubricating medium storage container, and the lubricating medium input pipe is formed
  • the lubricating medium input channel and the lubricating medium output pipe form the lubricating medium output channel, and the lubricating medium input pipe, lubricating medium output pipe, one-way valve and elastic control are connected to the mounting seat.
  • the pumping mechanism further includes a gland, which is connected to the mounting seat, and presses the edge of the elastic control between it and the mounting seat, so that the elastic The control is sealed and connected with the mounting seat.
  • the linkage mechanism includes a cam, the cam is linked with the guard, the cam includes a conflicting portion for interference with the control portion, and the cam moves with the guard to trigger the movement of the guard.
  • the control unit makes the pumping mechanism output lubricating medium.
  • the cam is arranged to rotate around a fixed axis, and the contour line of the cam is configured such that when the cam moves toward the control part, the conflicting part can at least partially push the control part progressively, Make the pumping mechanism continuously output lubricating medium.
  • the chainsaw also includes a partition, the linkage mechanism interferes with the control part through the partition, the partition is movably installed on the casing, and can move the linkage mechanism The thrust pressure is transmitted to the control part.
  • the chain saw is a one-handed electric chain saw
  • the chain saw also includes a grip part for the operator to hold with one hand, a transmission mechanism and a battery pack; the battery pack is electrically connected to the driving device to supply power to the driving device; the transmission A mechanism is connected between the driving device and the cutting element, and is used to transmit the power output by the driving device to the cutting element, so that the cutting element moves around the guide plate;
  • the driving device and the transmission mechanism are installed in the casing and arranged between the gripping part and the working head, and the battery pack is arranged in the casing and arranged in the gripping part far away from the working head. One end of the working head.
  • the movement of the protective part triggers the pumping mechanism to output lubricating medium.
  • the object to be cut will push the protective part to move away from the working head, triggering the pumping mechanism to output lubricating medium ;
  • the protective part does not move or gradually resets, and the pumping mechanism does not output lubricating medium.
  • the pumping mechanism can only output the lubricating medium when the protective part is opened and the protective part moves, and does not output the lubricating medium when the working head is not working or has no load.
  • the action of pumping the lubricating medium is carried out purposefully and regularly, which can effectively avoid dry grinding between the cutting element and the guide plate, help prolong the service life of the working head, and avoid waste of lubricating medium; Conducive to improving the working environment.
  • Fig. 1 is a schematic structural view of a chainsaw in one embodiment of the present invention
  • Fig. 2 is a structural schematic diagram of the chain saw in an inoperative state in one embodiment of the present invention
  • Fig. 3 is a schematic structural view of the chain saw in working state in one embodiment of the present invention.
  • Fig. 4 is a structural schematic diagram of an oil pumping mechanism in one embodiment of the present invention.
  • Fig. 5 is an A-A sectional view of the chain saw shown in Fig. 1 .
  • a chain saw of the present invention includes: a casing 110; a working head 120, including a guide plate 121 and a cutting element 122 wound on the guide plate 121, the guide plate 121 is installed on the casing 110, and at least a part Stretching out of the casing 110; a driving device, installed on the casing 110, for connecting and driving the cutting element 122 to move around the guide plate 121; a protective member 140, movably installed on the casing 110, and at least partly covered on the working head 120; the pumping mechanism is used to deliver lubricating medium to the guide plate 121 and/or the cutting element 122; the pumping mechanism 150 is configured to pass through the guard The movement of 140 triggers the output of lubricating medium.
  • the pumping mechanism includes a lubricating medium storage chamber, a lubricating medium input channel, a lubricating medium output channel and a control part 154, the lubricating medium input channel communicates with the lubricating medium storage cavity, and the lubricating medium output channel extends to the
  • the guide plate 121 and/or the cutting element 122 correspond to the position
  • the control part 154 is arranged between the lubricating medium input channel and the lubricating medium output channel, between the lubricating medium input channel and the lubricating medium output channel
  • a lubricating medium passage is formed between the medium output channels, and the control unit 154 can control the on-off status of the lubricating medium passage, so that the pumping mechanism outputs lubricating medium or does not output lubricating medium.
  • the pumping mechanism also includes a lubricating medium storage container, a lubricating medium input pipe and a lubricating medium output pipe, the lubricating medium storage chamber is formed in the lubricating medium storage container, and the lubricating medium input pipe forms the lubricating medium A medium input channel, the lubricating medium output channel is formed in the lubricating medium output pipe.
  • the lubricating medium may be configured as lubricating oil, lubricating paste, or other lubricating medium with certain fluidity.
  • lubricating oil lubricating oil
  • lubricating paste lubricating medium with certain fluidity.
  • the pumping mechanism is configured as an oil pumping mechanism 150
  • the lubricating medium storage container is configured as an oil storage container 151
  • the lubricating medium storage chamber is configured as an oil storage chamber 1511
  • the lubricating medium input pipe is configured as The oil inlet pipe 152
  • the lubricating medium input channel is configured as an oil inlet channel 1521
  • the lubricating medium output pipe is configured as an oil outlet pipe 153
  • the lubricating medium output channel is configured as an oil outlet channel 1531 .
  • a chain saw 100 shown in an embodiment of the present invention includes: a casing 110; a working head 120 including a guide plate 121 and a cutting element 122 wound around the guide plate 121, the The guide plate 121 is installed on the casing 110, and at least part of it protrudes out of the casing 110; the driving device is installed on the casing 110, and is used to connect and drive the cutting element 122 to move around the guide plate 121; The protective member 140 is movably installed on the casing 110 and is at least partly covered on the working head 120; the oil pumping mechanism 150 (also referred to as an oil pumping structure) is used to provide oil to the guide plate 121 and/or The cutting element 122 delivers lubricating oil; the oil pump mechanism 150 is configured to trigger the output of lubricating oil by the movement of the guard 140 .
  • the oil pumping mechanism 150 includes an oil storage chamber 1511, an oil inlet passage 1521, an oil outlet passage 1531 and a control part 154 (also referred to as a control assembly), and the oil inlet passage 1521 and the The oil storage chamber 1511 is connected, the oil outlet passage 1531 extends to a position corresponding to the guide plate 121 and/or the cutting element 122, and the control part 154 is arranged between the oil inlet passage 1521 and the oil outlet Between the passages 1531, an oil supply passage is formed between the oil inlet passage 1521 and the oil outlet passage 1531, and the control part 154 can control the on-off state of the oil supply passage, so that the pump The oil mechanism 150 outputs lubricating oil or does not output lubricating oil.
  • the protective member 140 is pivotally connected to the casing 110 .
  • the guard 140 is configured such that when the working head 120 gradually cuts into the object 200 to be cut, the guard 140 can be pushed by the object 200 to move away from the working head 120, triggering the pump
  • the oil mechanism 150 outputs lubricating oil; when the working head 120 gradually withdraws from the object to be cut 200, the protective member 140 can be gradually reset to the initial position, that is, the protective member 140 moves toward the direction of the working head 120 At this time, the oil pump mechanism 150 does not output lubricating oil. In addition, when the protective member 140 does not move, the oil pump mechanism 150 does not output lubricating oil.
  • the chainsaw 100 also includes a linkage mechanism 160 , the linkage mechanism 160 is movable and linked with the guard 140 , the movement of the guard 140 can drive the linkage mechanism 160 moves, and triggers the oil pumping mechanism 150 to output lubricating oil through the linkage mechanism 160 .
  • the linkage mechanism 160 is configured to trigger the control unit 154 .
  • the linkage mechanism 160 includes a cam 161 , the cam 161 is linked with the protection member 140 and interferes with the control part 154 .
  • the cam 161 includes a conflicting portion 1611 for conflicting with the control portion 154 , and the cam 161 pivots with the guard 140 to trigger the control portion 154 to make the oil pumping mechanism 150 output lubricating oil. Oil.
  • the linkage mechanism 160 is designed as a cam 161 structure, which can simplify the internal structure of the chain saw 100 while ensuring stable force transmission between the guard 140 and the control part 154, which is beneficial to the miniaturization and weight reduction of the product.
  • the movement of the control part 154 triggered by the cam 161 is not limited to pivoting within a certain angle range with the guard 140 , and can also be set as a linkage with the pivotal movement of the guard 140 .
  • the cam 161 makes a circular motion, and the control part 154 is triggered by the rotary motion of the cam 161 to make the oil pumping mechanism 150 output lubricating oil.
  • the chainsaw 100 of the present invention drives the movement of the linkage mechanism 160 through the movement of the guard 140, and then triggers the control part 154 of the oil pump mechanism 150 through the movement of the linkage mechanism 160 to control the pump of the oil pump mechanism 150.
  • oil state To facilitate understanding of the oil pumping principle of the chainsaw 100 , the cutting process of the chainsaw 100 is taken as an example for illustration. In this embodiment, referring to FIG. 3 , when the working head 120 is in the working state, when the working head 120 gradually cuts into the object 200 to be cut, the object 200 to be cut will push the guard 140 away from the working head 120. At the same time, the cam 161 of the linkage mechanism 160 will pivot along with it.
  • the contact portion 1611 of the cam 161 abuts against the control portion 154 of the oil pumping mechanism 150 and Pushing the control part 154 will trigger the control part 154 to control the oil pump mechanism 150 to deliver lubricating oil to the guide plate 121 and/or the cutting element 122, so as to ensure the stable operation of the working head 120 and effectively avoid the gap between the cutting element 122 and the guide plate 121.
  • Intermittent dry grinding is conducive to prolonging the service life of the working head 120; with reference to Figure 2, when the working head 120 is in a non-working or unloaded state, the guard 140 is in the initial position of the guard 140, or is in an open position but does not move, Or as the working head 120 gradually withdraws from the object 200 to be cut, it gradually retreats to the initial position.
  • the cam 161 of the linkage mechanism 160 does not move or gradually resets.
  • the oil pumping mechanism 150 does not guide the plate 121 And/or cutting element 122 delivers lubricating oil.
  • the chainsaw 100 uses the linkage mechanism 160 to respond synchronously to the movement of the guard 140, so that the oil pump mechanism 150 only outputs lubricating oil when the working head 120 is working and the guard 140 is opened, and when the working head 120 is not working or has no load Lubricating oil is not output at this time.
  • the action of pumping oil (that is, outputting lubricating oil) is carried out purposefully and regularly, avoiding the waste of lubricating oil; meanwhile, it is also conducive to improving the working environment.
  • the object to be cut 200 may be, but not limited to, wood, rubber blocks, plastic blocks and the like.
  • the no-load state of the working head 120 refers to the idling state of the working head 120 , that is, the cutting element 122 moves around the guide plate 121 , but does not cut the object 200 to be cut.
  • the oil pumping method of the oil pumping mechanism 150 is not limited thereto, and it can also be set as: electric or pneumatic oil pumping, pumping oil by pressing the pump head or rubber membrane.
  • the linkage mechanism 160 can be designed as a lever, a pressing block and other structures to mechanically open the control switch on the oil pumping mechanism 150; of course, the linkage mechanism 160 can also be designed as a sensor Modules, such as hall sensors, etc., sense the movement of the protective member 140 and control the oil pumping state of the oil pumping mechanism 150 with electrical signals.
  • the linkage mechanism 160 When the oil pumping mechanism 150 adopts a pump head or a rubber cap, the linkage mechanism 160 also has various structural designs, for example, the linkage mechanism 160 is designed as a pressing block, a crank slider mechanism, a combination structure of a gear and a rack, and the like.
  • the movement of the protective member 140 relative to the casing 110 is not limited to pivotal movement, at least it can also be configured to move up and down.
  • the manner in which the guard 140 is linked to control the control unit 154 is not limited to: when the guard 140 moves away from the working head 120 , the oil pump mechanism 150 is triggered to output lubricating oil. It should be understood that: the guard 140 moves away from the working head 120; or the guard 140 moves toward the working head 120; or, the guard 140 reciprocates in a direction away first and then toward the working head 120; or , the reciprocating movement of the protection member 140 in the direction of first facing and then away from the working head 120 can trigger the control part 154 to control the oil pumping mechanism 150 to output lubricating oil. Therefore, this embodiment does not specifically limit the manner in which the guard 140 triggers the oil pump mechanism 150 to output lubricating oil, as long as the oil pump mechanism 150 can be triggered to output lubricating oil.
  • the movement of the guard 140 can also come from the active operation of the user in addition to the push from the object 200 to be cut.
  • the guard 140 is operated to move away from or toward the working head 120 to control the oil pumping mechanism 150 to pump oil in a more purposeful and targeted manner.
  • the control part 154 includes a one-way valve 1543 and an elastic control 1541 (also called an elastic cap).
  • the elastic control 1541 is formed with an elastic working cavity 1542 (also referred to as a working cavity), the elastic control 1541 is in sealing connection with the oil inlet passage 1521 and the oil outlet passage 1531, and the elastic working chamber 1542 is respectively It communicates with the oil inlet passage 1521 and the oil outlet passage 1531; the one-way valve 1543 is arranged between the elastic working chamber 1542, the oil inlet passage 1521 and the oil outlet passage 1531 for The lubricating oil is controlled to only flow into the elastic working chamber 1542 from the oil inlet passage 1521 in one direction, and flow into the oil outlet passage 1531 from the elastic working chamber 1542 in one direction.
  • the linkage mechanism 160 triggers the control part 154 to control the oil pumping mechanism 150 to output lubricating oil by interfering with the control part 154 .
  • the linkage mechanism 160 is configured to interfere with the elastic control 1541, and control the on-off state of the one-way valve 1543 by pushing or releasing the elastic control 1541, thereby controlling the connection between the elastic working chamber 1542 and the elastic control chamber 1542.
  • the oil outlet channel 1531 or the oil inlet channel 1521 is connected so that the oil pump mechanism 150 outputs lubricating oil or does not output lubricating oil.
  • the elastic control 1541 has elastic compression and recovery functions, and can undergo compression deformation when pressed; when not pressed, it can elastically restore its original state.
  • the material of the elastic control 1541 can be a rubber cap.
  • the working principle of the oil pumping mechanism 150 in this embodiment is as follows: Referring to FIG. 3 and FIG. 4 , when the linkage mechanism 160 touches and pushes the elastic control 1541 , the elastic control 1541 is deformed under force and compresses the elastic working chamber 1542 . Since there is a one-way valve 1543 between the oil inlet passage 1521, the oil outlet passage 1531 and the elastic working chamber 1542, after the elastic working chamber 1542 is compressed, the space becomes smaller and the internal pressure increases.
  • the one-way valve 1543 controls the conduction between the elastic working chamber 1542 and the oil outlet passage 1531, and the lubricating oil inside the elastic working chamber 1542 flows into the oil outlet passage 1531 from the elastic working chamber 1542 in one direction, and is delivered to the guide plate 121 and the guide plate 121 by the oil outlet passage 1531.
  • a pumping of oil is completed.
  • the linkage mechanism 160 gradually moves away and releases the elastic control 1541, the elastic control 1541 restores its original shape by its own elastic action, the space of the elastic working chamber 1542 increases, and the internal pressure decreases.
  • the one-way valve 1543 controls the elastic work
  • the chamber 1542 is in communication with the oil inlet passage 1521, and the lubricating oil in the oil storage chamber 1511 enters into the elastic working chamber 1542 through the oil inlet passage 1521 to prepare for the next oil pumping.
  • the elastic control 1541 restores the original shape or keeps the deformation constant
  • the pressure in the elastic working chamber 1542 and the oil inlet passage 1521 and the oil outlet passage 1531 reaches equilibrium
  • the one-way valve 1543 controls the elastic working chamber 1542 and the oil inlet passage 1521 and the oil outlet passage. None of the channels 1531 are conducting.
  • the oil pump mechanism 150 includes an oil storage container 151 (also referred to as an oil pump body), an oil inlet pipe 152, an oil outlet pipe 153, a mounting seat 1544, the one-way valve 1543 and the elastic control 1541, the oil storage container 151 is formed with the oil storage cavity 1511, the oil inlet passage 1521 is formed in the oil inlet pipe 152, and the oil outlet passage 1531 is formed in the oil outlet pipe 153 , the oil inlet pipe 152 , the oil outlet pipe 153 , the one-way valve 1543 and the elastic control 1541 are connected to the installation seat 1544 .
  • an oil storage container 151 also referred to as an oil pump body
  • the oil inlet pipe 152 is formed with the oil storage cavity 1511
  • the oil inlet passage 1521 is formed in the oil inlet pipe 152
  • the oil outlet passage 1531 is formed in the oil outlet pipe 153
  • the oil inlet pipe 152 , the oil outlet pipe 153 , the one-way valve 1543 and the elastic control 1541
  • the end of the oil inlet pipe 152 away from the control part 154 extends into the oil storage chamber 1511 to realize the communication between the oil inlet passage 1521 and the oil storage chamber 1511 .
  • An oil outlet 1532 is formed at the end of the oil outlet pipe 153 away from the control portion 154 , and the oil outlet 1532 extends to the guide plate 121 or the cutting element 122 so as to deliver lubricating oil to the guide plate 121 and/or the cutting element 122 .
  • the oil pumping mechanism 150 also includes a gland 1545, the gland 1545 is connected to the mounting seat 1544, and presses the edge of the elastic control 1541 between it and the mounting seat 1544 so that the elastic control 1541 is tightly connected to the mounting seat 1544, so that by pressing the elastic control 1541 tightly on the mounting seat 1544, the airtightness of the elastic working chamber 1542 can be improved to avoid air leakage or oil leakage.
  • an oil inlet nozzle 155 is connected to the end of the oil inlet pipe 152 away from the control part 154, so that the end of the oil inlet pipe 152 can sink to The bottom of the oil storage chamber 1511.
  • a seal sleeve 156 is also provided between the oil inlet pipe 152 and the oil storage container 151.
  • the seal sleeve 156 is sleeved on the oil inlet pipe 152 and embedded in the hole wall of the oil storage container 151 to improve the connection between the oil inlet pipe 152 and the oil storage container.
  • the tightness between the oil containers 151 prevents oil leakage.
  • the oil pumping mechanism 150 delivers lubricating oil to the guide plate 121 and/or the cutting element 122.
  • the corresponding position can also be set at the position corresponding to the cutting element 122, or it can also be set at the middle position where the guide plate 121 and the cutting element 122 cooperate, as long as it is more conducive to the smooth lubrication between the guide plate 121 and the cutting element 122. Can.
  • the structure of the oil pump mechanism 150 is not limited thereto.
  • the oil pumping mechanism 150 can also be configured as follows: the oil inlet passage 1521 and the oil outlet passage 1531 are directly processed on the oil storage container 151, and the oil storage container 151 is drilled, grooved, etc. , the oil inlet channel 1521 and the oil outlet channel 1531 are formed around the oil storage cavity 1511 .
  • a reset member 142 is also connected between the protective member 140 and the casing 110, and the reset member 142 acts on the protective member 140 for
  • the protection member 140 is driven to return to the initial position, and is arranged on the working head 120 to provide effective protection for the working head 120 that is not working or in an empty state, and at the same time, it is also ready for the next cutting.
  • the protective member 140 is pivotally connected to the casing 110 through a rotating shaft 141 .
  • the reset member 142 is a torsion spring sleeved on the rotating shaft 141 , but the structure of the reset member 142 is not limited thereto, and it can also be set as a spring, elastic rubber, elastic metal sheet, etc. according to practical applications.
  • the cam 161 is arranged to rotate around the pivot axis 141 of the protection member 140 , and realize linkage with the protection member 140 in a fixed connection or abutting manner.
  • the protection member 140 can perform a reciprocating pivotal movement around the pivot axis 141 and at the same time can link the cam 161 to perform a reciprocating pivotal movement. lubricating oil.
  • the contour line of the cam 161 is configured such that, during the movement of the cam 161 toward the control portion 154 , the resisting portion 1611 can be at least partially pushed progressively.
  • the control unit 154 makes the oil pumping mechanism 150 continue pumping oil.
  • the conflicting portion 1611 has a changing diameter, that is, the conflicting portion 1611 is an involute curved surface relative to its pivot axis 141 , and during the movement of the conflicting portion 1611 toward the control portion 154 , The diameter of the abutment point gradually increases, so that the cam 161 can gradually push the control part 154, gradually increase the pushing force on the control part 154, and control the oil pumping mechanism 150 to continue as the cutting depth of the working head 120 increases. Oil is pumped so that the working head 120 can be effectively lubricated throughout the cutting process.
  • the interference portion 1611 of the cam 161 is set such that the front section has a variable diameter and the rear section has an equal diameter.
  • the cam 161 pushes the control part 154 gradually, so that the oil pumping mechanism 150 continues to pump oil; 161 will not continue to increase the pushing force on the control part 154, so that the oil pumping amount of the oil pumping mechanism 150 each time remains constant.
  • the linkage mechanism 160 can also be designed as a seesaw structure, a gear and rack combination structure, a crank-slider mechanism, and the like.
  • the linkage mechanism 160 when the linkage mechanism 160 is designed as a seesaw structure, one end of the seesaw abuts against the guard 140 and the other end abuts against the control part 154 .
  • the linkage mechanism 160 is designed as a cooperating structure of a gear and a rack, the gear is connected to the rotating shaft 141 , the rack and the gear mesh, and interfere with the control part 154 .
  • the direct interference fit can be configured as follows: when the cam 161 rotates to a certain position, the interference part 1611 directly interferes with the control part 154 .
  • the indirect interference fit can be configured as follows: there is an intermediate structure between the interference portion 1611 of the cam 161 and the control portion 154 , and the pushing force on the interference portion 1611 is transmitted to the control portion 154 by the intermediate structure.
  • an indirect interference fit is used between the linkage mechanism 160 and the control part 154.
  • a partition 170 is provided between the linkage mechanism 160 and the control part 154.
  • the linkage mechanism 160 interferes with the control part 154 through the partition plate 170, the partition plate 170 is movably installed on the casing 110, and can transmit the resisting pressure of the linkage mechanism 160 to the control unit 154 . Since the cam 161 is in a rotating state when pushing the control part 154 , it will increase the friction on the control part 154 and affect the service life of the oil pumping mechanism 150 .
  • the partition plate 170 is added between the cam 161 and the control part 154, so that the cam 161 and the control part 154 indirectly interfere, which not only ensures that the control part 154 is subjected to sufficient pushing force, but also avoids the direct contact between the cam 161 and the control part 154.
  • the control part 154 is rubbed to prolong the service life of the control part 154 .
  • one end of the partition 170 is pivotally connected to the casing 110, and the other end is set as a free end, which can be pressed down and rebounded with the control part 154, so that the pushing force of the cam 161 can be better. transmitted to the control unit 154.
  • the inner wall of the casing 110 is provided with a positioning column 113
  • the partition 170 is provided with a shaft hole 171 .
  • the partition 170 is sheathed on the positioning post 113 through the shaft hole 171 to realize the pivot connection between the partition 170 and the casing 110 .
  • the chainsaw 100 further includes a locking module of the guard 140 , configured to control the lock of the guard 140 relative to the housing 110 or to be movable.
  • the locking module of the guard 140 includes a control module and a locking module.
  • the locking module includes two working states, a locked state and an unlocked state. In the locked state, the locking module locks the guard 140 so that the guard 140 cannot move relative to the casing 110. In the unlocked state, the locking module releases the The locking of the guard 140 enables the guard 140 to move relative to the casing 110 .
  • the control module is connected to the locking module and controls the working state of the locking module.
  • the control module controls the locking module to unlock the guard 140, the guard 140 can move relative to the casing 110, and the oil pump mechanism 150 can be triggered to output lubricating oil normally.
  • the control module controls the locking module to lock the protective piece 140, so as to prevent the movement of the protective piece 140 relative to the casing 110 and trigger the oil pump mechanism 150 to output lubricating oil, preventing the movement of the protective piece 140 during transportation and causing the pump The oil mechanism 150 pumps oil by mistake.
  • the locking module can lock the guard 140 in a latching way, a magnetic attraction way, a clamping way, and the like.
  • the locking module adopts a combined structure of a motor and a screw mandrel, and controls the motor drive screw mandrel to be inserted into the pin hole on the guard 140 to realize locking; or, the locking module adopts a relay device, which sucks the guard 140 tightly after power-on, to achieve locking.
  • the control module can be, but not limited to, a single-chip microcomputer, a programmable controller, an electronic control unit, and the like.
  • the chain saw 100 is a one-handed electric chain saw.
  • the casing 110 is formed with a gripping portion 111 (also referred to as a gripping portion) and a supporting portion 112 for an operator to grip with one hand.
  • a gripping portion 111 also referred to as a gripping portion
  • a supporting portion 112 for an operator to grip with one hand.
  • the grip part 111 it is convenient for the operator to hold and improve the convenience of product use; by setting the support part 112, it is convenient to support the weight of the whole product during work, so that the operator can save more effort.
  • the chainsaw 100 also includes a battery pack and a transmission mechanism 180 (also referred to as a transmission structure).
  • the driving device includes a driver, and the driver may be specifically configured as a motor 130 .
  • the battery pack is electrically connected to the motor 130 to supply power to the motor 130 to ensure the stable operation of the chainsaw 100 .
  • the transmission mechanism 180 is connected between the motor 130 and the cutting element 122, and is used to transmit the power output by the motor 130 to the cutting element 122, and drive the cutting element 122 to move around the guide plate 121, ensuring The cutting element 122 works stably.
  • the motor 130 and the transmission mechanism 180 are installed in the casing 110 and arranged between the gripping part 11 and the working head 120; the battery pack is arranged in the gripping part 111 away from the One end of the working head 120 is connected to the battery pack interface 190 at the end of the casing 110 .
  • the chainsaw 100 may not be equipped with a battery pack, and is powered by plugging wires into an external power supply during operation.
  • the transmission mechanism 180 can be configured as a gear transmission structure to drive the cutting element 122 to move around the guide plate 121 . Since the transmission mechanism 180 is not the object to be improved in this embodiment, its specific structure can directly refer to existing documents and products, and will not be described in detail here.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Abstract

一种链锯（100），包括机壳（110）、工作头（120）、防护件（140）及泵油机构（150），工作头（120）包括导板（121）及绕设于导板（121）上的切割元件（122），切割元件（122）环绕导板（121）运动实现切割；防护件（140）活动安装于机壳（110），并罩设在工作头（120）上；泵油机构（150）用于向工作头（120）输送润滑介质；泵油机构（150）通过防护件（140）的运动触发输出润滑介质；当工作头（120）处于工作状态时，防护件（140）能被被切割物（200）抵推向远离工作头（120）的方向运动，触发泵油机构（150）输出润滑介质。

Description

链锯 技术领域
本发明涉及电动工具技术领域，特别是涉及一种链锯。
背景技术
在众多切割或者修剪工具中，链锯因切割动力足、操作便利等特点，一直广受用户喜爱。传统链锯上通常包括一个装有切割刃的链条和用于支撑链条的导板，工作时，链条受马达驱使，绕导板表面旋转，以实现对工件的切割。
现有链锯，尤其是单手锯，因其体积小、结构紧凑，大部分链锯上不具备为链条输送润滑油的泵油机构，导致链条长时间处于干磨运行状态，严重影响链条的寿命。为此，目前一部分链锯自带泵油机构，一种是自动泵油结构，通过电机驱动油泵以在电机工作时连续泵油；另一种是手动泵油结构，通过用户手动按压泵油，其在机壳上设置有油箱，并在油箱上设置一个弹性半球体，以供用户按压泵油。
然而，自动泵油结构的链锯，工作时持续泵油，会导致导板上储存的润滑油过多溢出，空载时溅油，同时也导致润滑油浪费严重且污染环境；而手动泵油结构的链锯，受人为因素影响，容易出现忘加油或加油不规律等现象，导致工作时链条与导板干磨，会严重缩短导板、链条以及切割刃的使用寿命。
发明内容
为解决上述问题，本发明提供一种链锯，使得泵送润滑介质的动作有目的性、有规律性进行，避免润滑介质浪费，保证链锯稳定运行。
一种链锯，包括：
机壳；
工作头，包括导板及绕设于所述导板上的切割元件，所述导板安装于所述机壳，并至少一部分伸出所述机壳外；
驱动装置，安装于所述机壳，用于连接并驱动所述切割元件环绕所述导板运动；
防护件，活动安装于所述机壳，并至少部分罩设在所述工作头上；
所述链锯还包括泵送机构，所述泵送机构用于向所述导板和/或所述切割元件输送润滑介质；所述泵送机构被配置为通过所述防护件的运动触发输出润滑介质。
进一步地，所述防护件配置为：在所述工作头逐渐切入被切割物时，所述防护件能被所述被切割物抵推向远离工作头的方向运动，触发所述泵送机构输出润滑介质。
进一步地，在所述防护件不运动或向靠近所述工作头的方向运动时，所述泵送机构不输出润滑介质。
进一步地，所述防护件枢转连接于所述机壳。
进一步地，所述防护件与所述机壳之间还连接有复位件，所述复位件作用于所述防护件，用于驱使所述防护件复位至初始位置。
进一步地，所述链锯还包括联动机构，所述联动机构活动设置并与所述防护件相联动，所述防护件运动能带动所述联动机构运动，并通过所述联动机构触发所述泵送机构 输出润滑介质。
进一步地，所述泵送机构包括润滑介质储存腔、润滑介质输入通道、润滑介质输出通道及控制部，所述润滑介质输入通道与所述润滑介质储存腔相连通，所述润滑介质输出通道延伸至与所述导板和/或所述切割元件相对应位置，所述控制部设置于所述润滑介质输入通道与所述润滑介质输出通道之间，在所述润滑介质输入通道与所述润滑介质输出通道之间形成有润滑介质通路，且所述控制部能够控制所述润滑介质通路的通断状态，以使所述泵送机构输出润滑介质或不输出润滑介质；所述联动机构配置为触发所述控制部。
进一步地，所述联动机构通过与所述控制部抵触配合来触发所述泵送机构输出润滑介质。
进一步地，所述控制部包括单向阀和弹性控件，所述弹性控件形成有弹性工作腔，所述弹性控件与所述润滑介质输入通道、所述润滑介质输出通道密封连接，且所述弹性工作腔分别与所述润滑介质输入通道和所述润滑介质输出通道相连通；
所述单向阀设置于所述弹性工作腔与所述润滑介质输入通道和所述润滑介质输出通道之间，用于控制所述润滑介质仅能从所述润滑介质输入通道单向流入所述弹性工作腔、以及从所述弹性工作腔单向流入所述润滑介质输出通道；
所述联动机构配置为与所述弹性控件抵触配合，通过推压或释放所述弹性控件控制所述单向阀的通断状态，进而控制所述弹性工作腔与所述润滑介质输出通道或所述润滑介质输入通道导通，以使所述泵送机构输出润滑介质或不输出润滑介质。
进一步地，所述泵送机构还包括润滑介质储存容器、润滑介质输入管、润滑介质输出管及安装座，所述润滑介质储存容器内形成所述润滑介质储存腔，所述润滑介质输入管内形成所述润滑介质输入通道，所述润滑介质输出管内形成所述润滑介质输出通道，所述润滑介质输入管、润滑介质输出管、单向阀及弹性控件连接于所述安装座。
进一步地，所述泵送机构还包括压盖，所述压盖连接于所述安装座上，并将所述弹性控件的边缘压紧于其与所述安装座之间，以使所述弹性控件与所述安装座之间密封连接。
进一步地，所述联动机构包括凸轮，所述凸轮与所述防护件相联动，所述凸轮包括用于与所述控制部抵触配合的抵触部，所述凸轮随所述防护件运动能触发所述控制部，使所述泵送机构输出润滑介质。
进一步地，所述凸轮绕固定轴线转动设置，所述凸轮的轮廓线配置为：在所述凸轮朝向所述控制部运动过程中，所述抵触部至少部分能渐进地推压所述控制部，使所述泵送机构持续输出润滑介质。
进一步地，所述链锯还包括有隔板，所述联动机构通过所述隔板与所述控制部抵触配合，所述隔板活动安装于所述机壳，并能将所述联动机构的抵推压力传递至所述控制部。
进一步地，所述链锯为单手握持式电动链锯；
所述链锯还包括供操作人员单手握持的握持部、传动机构及电池包；所述电池包与所述驱动装置电性连接，用以对所述驱动装置进行供电；所述传动机构连接于所述驱动装置与所述切割元件之间，用于将所述驱动装置输出的动力传递到所述切割元件，以使所述切割元件环绕导板运动；
所述驱动装置、传动机构安装于所述机壳内并设置于所述握持部与所述工作头之间， 所述电池包装设于所述机壳并设置于所述握持部远离所述工作头的一端。
本发明的链锯，通过防护件的运动触发泵送机构输出润滑介质，当工作头处于工作状态时，被切割物会抵推防护件向远离工作头的方向运动，触发泵送机构输出润滑介质；当所述工作头处于不工作或空载状态时，防护件不运动或逐渐复位，泵送机构不输出润滑介质。实现泵送机构只有在打开防护件且防护件运动时才能输出润滑介质，而在工作头不工作或者空载时不输出润滑介质。如此，使得泵送润滑介质的动作有目的性、有规律性进行，既可有效避免切割元件与导板之间干磨，有利于延长工作头的使用寿命，又能避免润滑介质的浪费；同时也有利于改善工作环境。
附图说明
构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明一个实施例中的链锯的结构示意图；
图2为本发明一个实施例中的链锯在不工作状态下的结构示意图；
图3为本发明一个实施例中的链锯在工作状态下的结构示意图；
图4为本发明一个实施例中的泵油机构的结构示意图；
图5为图1中所示链锯的A-A向剖视图。
100、链锯；110、机壳；111、握持部；112、支撑部；113、定位柱；120、工作头；121、导板；122、切割元件；130、电机；140、防护件；141、转轴；142、复位件；150、泵油机构；151、储油容器；1511、储油腔；152、进油管；1521、进油通道；153、出油管；1531、出油通道；1532、出油口；154、控制部；1541、弹性控件；1542、弹性工作腔；1543、单向阀；1544、安装座，1545、压盖；155、进油嘴；156、密封套；160、联动机构；161、凸轮；1611、抵触部；170、隔板；171、轴孔；180、传动机构；190、电池包接口；200、被切割物。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图对本发明的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本发明。但是本发明能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下做类似改进，因此本发明不受下面公开的具体实施例的限制。
本发明的一种链锯，包括：机壳110；工作头120，包括导板121及绕设于所述导板121上的切割元件122，所述导板121安装于所述机壳110，并至少一部分伸出所述机壳110外；驱动装置，安装于所述机壳110，用于连接并驱动所述切割元件122环绕所述导板121运动；防护件140，活动安装于所述机壳110，并至少部分罩设在所述工作头120上；泵送机构，用于向所述导板121和/或所述切割元件122输送润滑介质；所述泵送机构150被配置为通过所述防护件140的运动触发输出润滑介质。
所述泵送机构包括润滑介质储存腔、润滑介质输入通道、润滑介质输出通道及控制部154，所述润滑介质输入通道与所述润滑介质储存腔相连通，所述润滑介质输出通道延伸至与所述导板121和/或所述切割元件122相对应位置，所述控制部154设置于所述润滑介质输入通道与所述润滑介质输出通道之间，在所述润滑介质输入通道与所述润滑介质输出通道之间形成有润滑介质通路，且所述控制部154能够控制所述润滑介质通路的通断状态，以使所述泵送机构输出润滑介质或不输出润滑介质。
进一步地，所述泵送机构还包括润滑介质储存容器、润滑介质输入管及润滑介质输出管，所述润滑介质储存容器内形成所述润滑介质储存腔，所述润滑介质输入管内形成所述润滑介质输入通道，所述润滑介质输出管内形成所述润滑介质输出通道。
在本发明的实施例中，所述润滑介质可以配置为润滑油、润滑膏体等具有一定流动性的润滑介质。下述以润滑油为例对本发明的具体实施方式进行详细说明。相对应地，所述泵送机构配置为泵油机构150，所述润滑介质储存容器配置为储油容器151，所述润滑介质储存腔配置为储油腔1511，所述润滑介质输入管配置为进油管152，所述润滑介质输入通道配置为进油通道1521，所述润滑介质输出管配置为出油管153，所述润滑介质输出通道配置为出油通道1531。
参照图1至图3，本发明的一个实施例中所示的链锯100，包括：机壳110；工作头120，包括导板121及绕设于所述导板121上的切割元件122，所述导板121安装于所述机壳110，并至少一部分伸出所述机壳110外；驱动装置，安装于所述机壳110，用于连接并驱动所述切割元件122环绕所述导板121运动；防护件140，活动安装于所述机壳110，并至少部分罩设在所述工作头120上；泵油机构150(也可称为泵油结构)，用于向所述导板121和/或所述切割元件122输送润滑油；所述泵油机构150被配置为通过所述防护件140的运动触发输出润滑油。
进一步地，参照图4，所述泵油机构150包括储油腔1511、进油通道1521、出油通道1531及控制部154(也可称为控制组件)，所述进油通道1521与所述储油腔1511相连通，所述出油通道1531延伸至与所述导板121和/或所述切割元件122相对应位置，所述控制部154设置于所述进油通道1521与所述出油通道1531之间，在所述进油通道1521与所述出油通道1531之间形成有供油通路，且所述控制部154能够控制所述供油通路的通断状态，以使所述泵油机构150输出润滑油或不输出润滑油。
进一步地，参照图2和图3，所述防护件140枢转连接于所述机壳110。所述防护件140配置为：在所述工作头120逐渐切入被切割物200时，所述防护件140能被所述被切割物200抵推向远离工作头120的方向运动，触发所述泵油机构150输出润滑油；在所述工作头120逐渐退出所述被切割物200时，所述防护件140能逐渐复位至初始位置，即所述防护件140向靠近所述工作头120的方向运动，此时，所述泵油机构150不输出润滑油。另外，当所述防护件140不运动时，所述泵油机构150也不输出润滑油。
进一步地，参照图2和图3，所述链锯100还包括联动机构160，所述联动机构160活动设置并与所述防护件140相联动，所述防护件140运动能带动所述联动机构160运动，并通过所述联动机构160触发所述泵油机构150输出润滑油。具体地，所述联动机构160配置为触发所述控制部154。所述联动机构160包括凸轮161，所述凸轮161与所述防护件140相联动，并与所述控制部154抵触配合。所述凸轮161包括用于与所述控制部154抵触配合的抵触部1611，所述凸轮161随所述防护件140作枢转运动能触发所述控制部154使所述泵油机构150输出润滑油。本实施例将联动机构160设计成凸轮161 结构，在保证防护件140与控制部154之间力传递稳定的同时，可简化链锯100内部结构，有利于产品小型化、轻量化。
需要说明的是，所述凸轮161触发所述控制部154的运动不限于随所述防护件140在一定角度范围内作枢转运动，也可设置为所述防护件140的枢转运动联动所述凸轮161作圆周回转运动，通过所述凸轮161的回转运动触发所述控制部154使所述泵油机构150输出润滑油。
本发明的链锯100，通过防护件140的运动带动所述联动机构160运动，进而通过联动机构160的运动触发所述泵油机构150的控制部154，以控制所述泵油机构150的泵油状态。为便于理解本链锯100的泵油原理，以所述链锯100的切割过程为例进行说明。本实施例中，参照图3，当工作头120处于工作状态时，所述工作头120逐渐切入被切割物200时，被切割物200会顶推防护件140，使其向远离工作头120的方向运动，与此同时会联动所述联动机构160的凸轮161随其作枢转运动，凸轮161运动过程中，所述凸轮161的抵触部1611抵接所述泵油机构150的控制部154并推压所述控制部154，会触发所述控制部154控制泵油机构150向导板121和/或切割元件122输送润滑油，以保证工作头120稳定工作，有效避免切割元件122与导板121之间干磨，有利于延长工作头120的使用寿命；参照图2，当工作头120处于不工作或空载状态时，防护件140处于防护件140的初始位置，或处于打开位置但不运动，或随工作头120逐渐退出被切割物200而逐渐回退至初始位置，上述状态下，所述联动机构160的凸轮161不运动或逐渐复位，该过程中所述泵油机构150不向导板121和/或切割元件122输送润滑油。本链锯100利用联动机构160，同步响应防护件140的运动，使得泵油机构150只有在工作头120工作打开所述防护件140时才输出润滑油，而在工作头120不工作或者空载时不输出润滑油。如此，使得泵油(即输出润滑油)动作有目的性、有规律性进行，避免润滑油的浪费；同时也有利于改善工作环境。其中，被切割物200可以是但不仅限于木头、橡胶块、塑料块等。其中，需要说明的是，所述工作头120的空载状态是指所述工作头120处于空转状态，即所述切割元件122环绕所述导板121运动，但未进行切割被切割物200工作。
需要说明的是，泵油机构150的泵油方式不限于此，还可以设置为：电动或者气动泵油、采用按压泵头或者采用橡胶膜方式进行泵油等。当泵油机构150采用电动或者气动泵油时，联动机构160可设计成拨杆、按压块等结构，以机械方式打开泵油机构150上的控制开关；当然，联动机构160也可设计成感应模块，例如霍尔传感器等，感应防护件140的运动，以电信号控制泵油机构150的泵油状态等。当泵油机构150采用按压泵头或者橡胶帽时，联动机构160也有多种结构设计，例如：将联动机构160设计成压块、曲柄滑块机构、齿轮与齿条组合结构等。
还需说明的是，所述防护件140相对机壳110的运动不限于枢转运动，至少还可设置为上下移动。而防护件140联动控制所控制部154的方式也不限于：当防护件140向远离工作头120的方向运动时触发泵油机构150输出润滑油。应理解为：防护件140向远离工作头120的方向运动；或者防护件140向朝向工作头120的方向运动；又或者，防护件140向先远离后朝向工作头120的方向往复运动；再或者，防护件140向先朝向后远离工作头120的方向往复运动等均能够触发所述控制部154控制泵油机构150输出润滑油。因此，本实施例对防护件140触发泵油机构150输出润滑油的方式并不作具体限定，只要能够实现触发泵油机构150输出润滑油均可。
另外，所述防护件140的运动除了来自被切割物200的顶推外，还可来自用户主动操作，比如：当需手动对空载状态的工作头120进行预润滑或者养护时，用户可手动操作防护件140，使其沿着远离或者朝向工作头120的方向运动，控制泵油机构150更有目的性、有针对性的泵油。
更进一步地，参照图4，所述控制部154包括单向阀1543和弹性控件1541(也可称为弹性帽)。所述弹性控件1541形成有弹性工作腔1542(也可称为工作腔)，所述弹性控件1541与所述进油通道1521、所述出油通道1531密封连接，且所述弹性工作腔1542分别与所述进油通道1521和所述出油通道1531相连通；所述单向阀1543设置于所述弹性工作腔1542与所述进油通道1521和所述出油通道1531之间，用于控制所述润滑油仅能从所述进油通道1521单向流入所述弹性工作腔1542、以及从所述弹性工作腔1542单向流入所述出油通道1531。本实施例中，所述联动机构160通过与所述控制部154抵触配合来触发所述控制部154控制所述泵油机构150输出润滑油。具体地，所述联动机构160配置为与所述弹性控件1541抵触配合，通过推压或释放弹性控件1541控制所述单向阀1543的通断状态，进而控制所述弹性工作腔1542与所述出油通道1531或所述进油通道1521导通，以使所述泵油机构150输出润滑油或不输出润滑油。
需要说明的是，所述弹性控件1541具有弹性压缩和恢复功能，受压时能发生压缩变形；不受压时，能弹性恢复其原先状态。弹性控件1541的材质有多种选择，只需满足能弹性压缩和恢复即可，例如：弹性控件1541可以为橡胶帽。
本实施例的泵油机构150的工作原理为：参照图3和图4，当联动机构160抵触并推压弹性控件1541时，弹性控件1541受力发生形变，压缩弹性工作腔1542。由于进油通道1521、出油通道1531和弹性工作腔1542之间设有单向阀1543，因此，弹性工作腔1542被压缩后，空间变小，内部压强增大，在压差的作用下，单向阀1543控制弹性工作腔1542与出油通道1531导通，弹性工作腔1542内部的润滑油从弹性工作腔1542单向流入出油通道1531中，并由出油通道1531输送至导板121和/或切割元件122上，完成一次泵油。当联动机构160逐渐远离并释放弹性控件1541时，弹性控件1541依靠自身弹性作用恢复初始形态，弹性工作腔1542空间增大，内部压强变小，在压差作用下，单向阀1543控制弹性工作腔1542与进油通道1521导通，储油腔1511内的润滑油经进油通道1521进入弹性工作腔1542内，以为下次泵油做好准备。弹性控件1541恢复初始形态或保持形变量不变时，弹性工作腔1542与进油通道1521、出油通道1531内压力达到平衡，单向阀1543控制弹性工作腔1542与进油通道1521、出油通道1531均不导通。
具体地，本实施例中，参照图4，所述泵油机构150包括储油容器151(也可称为泵油体)、进油管152、出油管153、安装座1544、所述单向阀1543及所述弹性控件1541，所述储油容器151形成有所述储油腔1511，所述进油管152内形成所述进油通道1521，所述出油管153内形成所述出油通道1531，所述进油管152、出油管153、单向阀1543及弹性控件1541连接于所述安装座1544。所述进油管152远离控制部154的一端伸至储油腔1511内，以实现进油通道1521与储油腔1511连通。所述出油管153远离控制部154的一端形成有出油口1532，出油口1532延伸至导板121或切割元件122上，以便能向导板121和/或切割元件122输送润滑油。进一步地，所述泵油机构150还包括压盖1545，所述压盖1545连接于所述安装座1544上，并将所述弹性控件1541的边缘压紧于其与所述安装座1544之间，以使所述弹性控件1541与所述安装座1544之间密封连接，如此，通过将弹性控件1541紧密压合在安装座1544上，可提高弹性工作腔1542的气密性，避 免发生漏气或漏油现象。另外，为了利于储油腔1511内的润滑油进入进油通道1521中，在所述进油管152远离控制部154的端部连接有进油嘴155，以使所述进油管152端部能沉至所述储油腔1511的底部。同时，进油管152与储油容器151之间还设置有密封套156，密封套156套设于进油管152上并嵌设于储油容器151的孔壁上，用以提高进油管152与储油容器151之间的密封性，避免发生漏油现象。
需要说明的是，所述泵油机构150向所述导板121和/或所述切割元件122输送润滑油应当理解为：根据实际需要，所述出油口1532可设置于与所述导板121相对应位置，也可设置于与所述切割元件122相对应位置，还可设置于所述导板121与所述切割元件122相配合的中间位置，只要更利于导板121与切割元件122之间润滑均可。
还需要说明的是，所述泵油机构150的结构不限于此。在另一实施例中，所述泵油机构150还可设置为：进油通道1521、出油通道1531直接在储油容器151上加工，通过在储油容器151上钻孔、挖槽等方式，在储油腔1511的周围形成所述进油通道1521和出油通道1531。
在本发明的一个实施例中，参照图2与图5，所述防护件140与所述机壳110之间还连接有复位件142，所述复位件142作用于所述防护件140，用于驱使所述防护件140复位至初始位置，罩设在工作头120上，为未工作或者处于空载状态的工作头120提供有效防护，同时，也为下一次切割做好准备。具体地，本实施例中，所述防护件140通过转轴141枢转连接于所述机壳110上。所述复位件142为套设于所述转轴141上的扭簧，但所述复位件142的结构不限于此，根据实际应用，还可设置为弹簧、弹性橡胶、弹性金属片等。
在本发明的一个实施例中，所述凸轮161绕所述防护件140的枢转轴141线转动设置，并与所述防护件140以固定连接或抵接的方式实现联动。防护件140绕所述枢转轴141线作往复枢转运动的同时可联动所述凸轮161作往复枢转运动，所述凸轮161的抵触部1611能触发所述控制部154使泵油机构150输出润滑油。
在本发明的一个实施例中，参照图3，所述凸轮161的轮廓线配置为：在所述凸轮161朝向所述控制部154运动过程中，所述抵触部1611至少部分能渐进地推压所述控制部154，使所述泵油机构150持续泵油。具体地，本实施例中，所述抵触部1611具有变化的直径，即抵触部1611相对其枢转轴141线为渐开曲面，且在所述抵触部1611朝向所述控制部154运动过程中，抵接点直径逐渐增大，使凸轮161能渐进地推压所述控制部154，逐步增加对控制部154的推压力，控制所述泵油机构150随着工作头120的切割深度加大而持续泵油，以使得工作头120在整个切割过程中均能得到有效润滑。
需要说明的是，在另一实施例中，所述凸轮161的抵触部1611设置为前段具有变化的直径、后段具有相等的直径，当凸轮161的抵触部1611前段与弹性控件1541抵接时，凸轮161渐进地推压所述控制部154，使所述泵油机构150持续泵油；当凸轮161的抵触部1611后段与弹性控件1541抵接时，随着防护件140的转动，凸轮161不会继续增加对控制部154的推压力，使得泵油机构150每次的泵油量保持恒定。
另外，在其他实施例中，联动机构160也可设计成跷跷板结构、齿轮与齿条组合结构、曲柄滑块机构等。例如：当联动机构160设计为跷跷板结构时，跷跷板一端抵接于防护件140上，另一端抵接于控制部154上。当联动机构160设计为齿轮与齿条配合结构时，齿轮连接于转轴141上，齿条与齿轮啮合，并与控制部154抵触配合等。
需要说明的是，前述的“抵触配合”应理解为：包括直接抵触配合和间接抵触配合。 直接抵触配合可配置为：当凸轮161转动至一定位置时，抵触部1611直接抵触在控制部154上。而间接抵触配合可配置为：所述凸轮161的抵触部1611与所述控制部154之间具有中间结构，抵触部1611上的推压力由中间结构传递至控制部154。
在本发明的一个实施例中，联动机构160与控制部154之间采用间接抵触配合，参照图3和图4，在所述联动机构160与所述控制部154之间设置有隔板170，所述联动机构160通过所述隔板170与所述控制部154抵触配合，所述隔板170活动安装于所述机壳110，并能将所述联动机构160的抵推压力传递至所述控制部154。由于凸轮161在推压所述控制部154时为转动状态，会增加对控制部154的摩擦，影响泵油机构150的使用寿命。为此，本实施例通过在凸轮161与控制部154之间增加隔板170，使得凸轮161与控制部154间接抵触，不仅能保证控制部154受到足够的推压力，而且能避免凸轮161直接与控制部154摩擦，延长控制部154的使用寿命。具体地，参照图5，所述隔板170一端枢接在机壳110内，另一端作为自由端活动设置，能随控制部154下压和回弹，使得凸轮161的推压力能更好的传递至控制部154上。机壳110的内壁上设有定位柱113，隔板170上设有轴孔171。隔板170通过轴孔171套设于定位柱113上，以实现隔板170与机壳110之间的枢接。
在本发明的一个实施例中，所述链锯100还包括防护件140锁止模块，用于控制所述防护件140相对所述机壳110锁止或可活动。所述防护件140锁止模块包括控制模块与锁止模块。所述锁止模块包括两种工作状态，锁定状态和解除锁定状态，锁定状态时，锁止模块锁定防护件140，使防护件140不能相对机壳110运动，解除锁定状态时，锁止模块解除对防护件140的锁定，使防护件140能够相对机壳110运动。所述控制模块连接锁止模块并控制锁止模块的工作状态。当工作头120处于工作状态时，控制模块控制锁止模块解除对防护件140的锁定，防护件140能够相对机壳110运动，能正常触发泵油机构150输出润滑油。当工作头120不工作时，控制模块控制锁止模块锁定防护件140，避免防护件140相对机壳110运动触发泵油机构150输出润滑油，防止防护件140在搬运过程中发生运动而导致泵油机构150误泵油。
需要说明的是，锁止模块锁定防护件140的方式可为插销方式、磁吸方式、夹持方式等。比如：锁止模块采用电机和丝杆组合结构，控制电机传动丝杆插入至防护件140上的销孔内，以实现锁定；或者，锁止模块采用继电器设备，通电后吸紧防护件140，以实现锁定。同时，控制模块可为但不仅限于单片机、可编程控制器、电子控制单元等。
在本发明的一个实施例中，参照图1和图2，所述链锯100为单手握持式电动链锯。所述机壳110形成有供操作人员单手握持的握持部111(也可称为持握部)和支撑部112。通过设置握持部111，方便操作人员握持，提升产品使用的便利性；通过设置支撑部112，方便工作时支撑整个产品的重量，使操作人员操作更省力。进一步地，所述链锯100还包括电池包及传动机构180(也可称为传动结构)。所述驱动装置包括驱动器，驱动器具体可配置为电机130。所述电池包与所述电机130电性连接，用以对所述电机130进行供电，保证链锯100稳定工作。所述传动机构180连接于所述电机130与所述切割元件122之间，用于将所述电机130输出的动力传递到所述切割元件122，带动所述切割元件122环绕导板121运动，保证切割元件122稳定工作。所述电机130、传动机构180安装于所述机壳110内，并设置于所述握持部11与所述工作头120之间；所述电池包设置于所述握持部111远离所述工作头120的一端，并连接于所述机壳110末端的电池包接口190上。
在本发明的另一实施例中，链锯100也可不配置电池包，在工作时，通过导线插接在外部电源上进行供电。
需要说明的是，传动机构180可配置为齿轮传动结构，以带动切割元件122环绕导板121运动。由于传动机构180非本实施例所要改进的对象，因此，其具体结构可直接参考现有文献和产品，在此不作详细介绍。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“上”、“下”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。

Claims (15)

  1. 一种链锯，包括：
    机壳；
    工作头，包括导板及绕设于所述导板上的切割元件，所述导板安装于所述机壳，并至少一部分伸出所述机壳外；
    驱动装置，安装于所述机壳，用于连接并驱动所述切割元件环绕所述导板运动；
    防护件，活动安装于所述机壳，并至少部分罩设在所述工作头上；
    其特征在于，所述链锯还包括泵送机构，所述泵送机构用于向所述导板和/或所述切割元件输送润滑介质；所述泵送机构被配置为通过所述防护件的运动触发输出润滑介质。
  2. 根据权利要求1所述的链锯，其特征在于，所述防护件配置为：在所述工作头逐渐切入被切割物时，所述防护件能被所述被切割物抵推向远离工作头的方向运动，触发所述泵送机构输出润滑介质。
  3. 根据权利要求2所述的链锯，其特征在于，在所述防护件不运动或向靠近所述工作头的方向运动时，所述泵送机构不输出润滑介质。
  4. 根据权利要求2所述的链锯，其特征在于，所述防护件枢转连接于所述机壳。
  5. 根据权利要求2所述的链锯，其特征在于，所述防护件与所述机壳之间还连接有复位件，所述复位件作用于所述防护件，用于驱使所述防护件复位至初始位置。
  6. 根据权利要求1所述的链锯，其特征在于，还包括联动机构，所述联动机构活动设置并与所述防护件相联动，所述防护件运动能带动所述联动机构运动，并通过所述联动机构触发所述泵送机构输出润滑介质。
  7. 根据权利要求6所述的链锯，其特征在于，所述泵送机构包括润滑介质储存腔、润滑介质输入通道、润滑介质输出通道及控制部，所述润滑介质输入通道与所述润滑介质储存腔相连通，所述润滑介质输出通道延伸至与所述导板和/或所述切割元件相对应位置，所述控制部设置于所述润滑介质输入通道与所述润滑介质输出通道之间，在所述润滑介质输入通道与所述润滑介质输出通道之间形成有润滑介质通路，且所述控制部能够控制所述润滑介质通路的通断状态，以使所述泵送机构输出润滑介质或不输出润滑介质；所述联动机构配置为触发所述控制部。
  8. 根据权利要求7所述的链锯，其特征在于，所述联动机构通过与所述控制部抵触配合来触发所述泵送机构输出润滑介质。
  9. 根据权利要求8所述的链锯，其特征在于，所述控制部包括单向阀和弹性控件，所述弹性控件形成有弹性工作腔，所述弹性控件与所述润滑介质输入通道、所述润滑介质输出通道密封连接，且所述弹性工作腔分别与所述润滑介质输入通道和所述润滑介质输出通道相连通；
    所述单向阀设置于所述弹性工作腔与所述润滑介质输入通道和所述润滑介质输出通道之间，用于控制所述润滑介质仅能从所述润滑介质输入通道单向流入所述弹性工作腔、以及从所述弹性工作腔单向流入所述润滑介质输出通道；
    所述联动机构配置为与所述弹性控件抵触配合，通过推压或释放所述弹性控件控制所述单向阀的通断状态，进而控制所述弹性工作腔与所述润滑介质输出通道或所述润滑介质输入通道导通，以使所述泵送机构输出润滑介质或不输出润滑介质。
  10. 根据权利要求9所述的链锯，其特征在于，所述泵送机构还包括润滑介质储存 容器、润滑介质输入管、润滑介质输出管及安装座，所述润滑介质储存容器内形成所述润滑介质储存腔，所述润滑介质输入管内形成所述润滑介质输入通道，所述润滑介质输出管内形成所述润滑介质输出通道，所述润滑介质输入管、润滑介质输出管、单向阀及弹性控件连接于所述安装座。
  11. 根据权利要求10所述的链锯，其特征在于，所述泵送机构还包括压盖，所述压盖连接于所述安装座上，并将所述弹性控件的边缘压紧于其与所述安装座之间，以使所述弹性控件与所述安装座之间密封连接。
  12. 根据权利要求8所述的链锯，其特征在于，所述联动机构包括凸轮，所述凸轮与所述防护件相联动，所述凸轮包括用于与所述控制部抵触配合的抵触部，所述凸轮随所述防护件运动能触发所述控制部，使所述泵送机构输出润滑介质。
  13. 根据权利要求12所述的链锯，其特征在于，所述凸轮绕固定轴线转动设置，所述凸轮的轮廓线配置为：在所述凸轮朝向所述控制部运动过程中，所述抵触部至少部分能渐进地推压所述控制部，使所述泵送机构持续输出润滑介质。
  14. 根据权利要求8所述的链锯，其特征在于，还包括有隔板，所述联动机构通过所述隔板与所述控制部抵触配合，所述隔板活动安装于所述机壳，并能将所述联动机构的抵推压力传递至所述控制部。
  15. 根据权利要求1至14任意一项所述的链锯，其特征在于，所述链锯为单手握持式电动链锯；
    所述链锯还包括供操作人员单手握持的握持部、传动机构及电池包；所述电池包与所述驱动装置电性连接，用以对所述驱动装置进行供电；所述传动机构连接于所述驱动装置与所述切割元件之间，用于将所述驱动装置输出的动力传递到所述切割元件，以使所述切割元件环绕导板运动；
    所述驱动装置、传动机构安装于所述机壳内并设置于所述握持部与所述工作头之间，所述电池包装设于所述机壳并设置于所述握持部远离所述工作头的一端。
PCT/CN2022/128257 2021-10-28 2022-10-28 链锯 WO2023072249A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111262171.8A CN116038025A (zh) 2021-10-28 2021-10-28 链锯
CN202111262171.8 2021-10-28

Publications (1)

Publication Number Publication Date
WO2023072249A1 true WO2023072249A1 (zh) 2023-05-04

Family

ID=86130138

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/128257 WO2023072249A1 (zh) 2021-10-28 2022-10-28 链锯

Country Status (2)

Country Link
CN (1) CN116038025A (zh)
WO (1) WO2023072249A1 (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636147A (en) * 1984-08-11 1987-01-13 Andreas Stihl Lubricating-oil pump for a motor-driven apparatus
US4801053A (en) * 1986-12-22 1989-01-31 Kaster Eugene J Valved dispensing spout
CA2013196A1 (en) * 1990-03-28 1991-09-28 William E. Charles Parchem Hinged chain-saw safety guard
US5184403A (en) * 1991-03-06 1993-02-09 Andreas Stihl Motor-driven chain saw having a lubricating oil pump
CN204217536U (zh) * 2014-11-14 2015-03-25 广东骏马精密工业有限公司 一种链锯的润滑油输出装置
CN208496525U (zh) * 2018-06-26 2019-02-15 深圳市翰星精密工业有限公司 一种自动送油润滑丝锥装置
CN210388520U (zh) * 2019-06-20 2020-04-24 常州市铭鹭硬质合金工具有限公司 一种自动润滑的金属切削刀具

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636147A (en) * 1984-08-11 1987-01-13 Andreas Stihl Lubricating-oil pump for a motor-driven apparatus
US4801053A (en) * 1986-12-22 1989-01-31 Kaster Eugene J Valved dispensing spout
CA2013196A1 (en) * 1990-03-28 1991-09-28 William E. Charles Parchem Hinged chain-saw safety guard
US5184403A (en) * 1991-03-06 1993-02-09 Andreas Stihl Motor-driven chain saw having a lubricating oil pump
CN204217536U (zh) * 2014-11-14 2015-03-25 广东骏马精密工业有限公司 一种链锯的润滑油输出装置
CN208496525U (zh) * 2018-06-26 2019-02-15 深圳市翰星精密工业有限公司 一种自动送油润滑丝锥装置
CN210388520U (zh) * 2019-06-20 2020-04-24 常州市铭鹭硬质合金工具有限公司 一种自动润滑的金属切削刀具

Also Published As

Publication number Publication date
CN116038025A (zh) 2023-05-02

Similar Documents

Publication Publication Date Title
EP1807653B1 (en) Grease gun
US7997456B2 (en) Grease gun
WO2006047921A1 (fr) Pistolet graisseur portable a alimentation electrique
WO2023001074A1 (zh) 手持式清洗机
WO2023072249A1 (zh) 链锯
US11376620B2 (en) Pressure washer
CN215349654U (zh) 一种冲牙器
CN201123778Y (zh) 手持式电动清洗机
CN214136426U (zh) 一种用于电链锯链轮的间歇给油装置
CN110685896A (zh) 高压清洗设备
CN113246227A (zh) 链锯
CN213669972U (zh) 一种新型洗车用无线手持水枪
CN201068643Y (zh) 调压式高压灌注堵漏机
CN220561760U (zh) 链锯
US20060210409A1 (en) Grease pump
CN215468450U (zh) 一种便于限位的液压剪刀机构
CN220030121U (zh) 一种破碎镐
CN217030736U (zh) 电池包内置式黄油枪
CN218981969U (zh) 一种手持式高压清洗机
CN218506654U (zh) 一种硅酮密封胶储料罐
CN219013956U (zh) 一种手动黄油加注装置及手持式黄油枪
CN220780829U (zh) 手持式清洗机
CN220060072U (zh) 一种气阀组件结构
CN221096812U (zh) 一种左右锁结构外置弹簧装置
CN218564037U (zh) 一种液压工具的供油组件及其液压工具

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22886124

Country of ref document: EP

Kind code of ref document: A1