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CN-121973297-A - Saw chain and mini chain saw

CN121973297ACN 121973297 ACN121973297 ACN 121973297ACN-121973297-A

Abstract

The application relates to the technical field of chain saws, and provides a saw chain and a mini-type chain saw, wherein the saw chain comprises a plurality of chain links, each chain link is integrally formed with a connecting part, a chain pin is arranged on the connecting part, and two adjacent chain links are hinged with each other through the chain pin; cutting main teeth are uniformly distributed on the outer side of each chain link, and cutting auxiliary teeth are distributed on the outer side of the connecting part. The saw chain can reduce cutting resistance.

Inventors

  • WANG WEIMING

Assignees

  • 杭州旗锐工具有限公司

Dates

Publication Date
20260505
Application Date
20260326

Claims (10)

  1. 1. A saw chain is characterized by comprising a plurality of chain links (1), wherein each chain link (1) is uniformly and integrally formed with a connecting part (11), each connecting part (11) is provided with a chain pin (12), two adjacent chain links (1) are hinged through the chain pins (12), cutting main teeth (13) are uniformly distributed on the outer side of each chain link (1), and cutting auxiliary teeth (14) are distributed on the outer side of each connecting part (11).
  2. 2. A mini chain saw, which is characterized by comprising a machine body (2) and a saw blade, wherein the saw blade comprises a guide plate (3) and a saw chain as claimed in claim 1, one end of the guide plate (3) is connected with the machine body (2), a chain wheel (31) is rotatably arranged on the guide plate (3), and the saw chain is wound on the outer sides of the guide plate (3) and the chain wheel (31).
  3. 3. A mini chain saw according to claim 2, wherein the machine body (2) is provided with a mounting seat (4), the mounting seat (4) is provided with a mounting cover (5), a mounting space (41) is formed between the mounting seat (4) and the mounting cover (5), one end of the guide plate (3) is embedded in the mounting space (41), the machine body (2) is internally provided with a driving shaft (21), and one end of the driving shaft (21) extends into the mounting space (41) and is meshed with the chain wheel (31).
  4. 4. A mini chain saw according to claim 3, wherein the side wall of the machine body (2) is provided with a rotating groove (22), the mounting seat (4) is rotatably mounted on the rotating groove (22), the side wall of the machine body (2) is provided with a first limit post (23) and a second limit post (24) respectively, when the mounting seat (4) rotates to abut against the first limit post (23), the saw blade is in a unfolded state, and when the mounting seat (4) rotates to abut against the second limit post (24), the saw blade is in a stored state.
  5. 5. A mini chain saw according to claim 4, wherein a first deep position (221) and a second deep position (222) are sequentially formed in the rotary groove (22) from outside to inside, a plurality of first meshing blocks (223) are arranged on the inner wall of the rotary groove (22) in the first deep position (221) at intervals, a first meshing area (224) is formed between two adjacent first meshing blocks (223), a switching plate (42) is slidably mounted in the mounting seat (4), a first butt joint block (421) for being embedded in the first meshing area (224) is arranged on the inner peripheral wall of the switching plate (42), a first spring (211) is connected to the switching plate (42), and the switching plate (42) is normally forced to move into the first deep position (221) by the first spring (211).
  6. 6. A mini chain saw according to claim 5, wherein a plurality of second engaging blocks (311) are arranged on the inner peripheral wall of the sprocket (31) at intervals, a second engaging area (312) is formed between two adjacent second engaging blocks (311), a docking shaft (212) is slidably mounted at one end of the driving shaft (21), a second docking block (213) is provided on the outer wall of the docking shaft (212), the docking shaft (212) is connected to the switching plate (42), the second docking block (213) is embedded in the second engaging area (312) when the switching plate (42) is moved into the first deep position (221), and the second docking block (213) is disengaged from the second engaging area (312) when the switching plate (42) is moved into the second deep position (222).
  7. 7. A mini chain saw according to claim 5, wherein the mounting cover (5) is rotatably provided with an unlocking lever (51), the unlocking lever (51) is provided with a force application handle (52), the outer circumferential wall of the unlocking lever (51) is provided with an unlocking block (53), the first spring (211) forces the switching plate (42) to abut against the unlocking block (53), the outer wall of the unlocking block (53) forms a first abutting surface (531) and a second abutting surface (532) respectively, when the first abutting surface (531) abuts against the switching plate (42), the switching plate (42) moves into the first deep position (221), and when the second abutting surface (532) abuts against the switching plate (42), the switching plate (42) moves into the second deep position (222).
  8. 8. A mini chain saw according to claim 3, wherein the inner wall of the mounting cover (5) is provided with a first guide bar (54), the side wall of the mounting seat (4) is provided with a first guide groove (43), one end of the first guide groove (43) is opened to enable the first guide bar (54) to slide in, the mounting cover (5) is connected with a locking bolt (55), and the locking bolt (55) sequentially penetrates through the mounting cover (5) and the guide plate (3) and is in threaded connection with the mounting seat (4).
  9. 9. A mini chain saw according to claim 8, wherein a first groove (25) is formed in the side wall of the machine body (2), an anti-falling column (251) is slidably arranged in the first groove (25), a second spring (252) is arranged in the first groove (25), the second spring (252) forces the anti-falling column (251) to completely move into the first groove (25), an anti-falling surface (56) is formed on the outer wall of the mounting cover (5), when the anti-falling column (251) partially moves out of the first groove (25), the anti-falling column (251) is blocked on the anti-falling surface (56), and a pushing piece which outwards pushes the anti-falling column (251) out is arranged on the machine body (2).
  10. 10. A mini chain saw as in claim 9, wherein the body (2) has a supply potential (26) and a battery (6) is removably mounted in the supply potential (26), the pushing member comprises a pushing bar (7) slidably mounted in the body (2), one end of the pushing bar (7) extends into the first groove (25) and the other end extends into the supply potential (26), the pushing bar (7) has a first pushing surface (71) against the anti-drop post (251), and when the battery (6) is embedded in the supply potential (26), the battery (6) pushes the pushing bar (7) to slide and forces the anti-drop post (251) to partially move out of the first groove (25).

Description

Saw chain and mini chain saw Technical Field The application relates to the technical field of chain saws, in particular to a saw chain and a mini-type chain saw. Background The chain saw is a portable tool for realizing wood cutting through a saw chain running at a high speed by taking an engine or a motor as a power source, and is widely applied to the fields of forestry deforestation, landscaping, emergency rescue and the like. The lithium electric chain saw has become a mainstream choice for families and outdoor scenes because of the advantages of no tail gas, portability, low noise and the like. The saw chain is used as a core cutting component of the chain saw and is formed by hinging a plurality of chain links, cutting teeth are integrated on the chain links, the chain links circulate along with a chain wheel at a high speed under the guidance of a guide plate, and wood cutting is completed through the cutting edges of the cutting teeth. The chain links in the existing saw chain are usually provided with wide-edge cutting teeth, which means that the contact area between a single cutting tooth and wood in the cutting process is large, the cutting resistance is high, the saw chain is easy to cause heating and blocking, the cutting efficiency is reduced, the abrasion of the cutting teeth is accelerated, and the service life of the saw chain is shortened, so that further improvement is needed. Disclosure of Invention In order to reduce cutting resistance, the application provides a saw chain and a mini-type chain saw. In a first aspect, the present application provides a saw chain, which adopts the following technical scheme: A saw chain comprises a plurality of chain links, wherein each chain link is integrally formed with a connecting part, each connecting part is provided with a chain pin, two adjacent chain links are hinged with each other through the chain pin, cutting main teeth are uniformly distributed on the outer side of each chain link, and cutting auxiliary teeth are distributed on the outer side of each connecting part. Through adopting foretell technical scheme, cutting main tooth and cutting vice tooth all are used for cutting timber, and the combination of cutting main tooth and cutting vice tooth is through increasing saw chain holistic tooth number density to reduce the manufacturing size of single cutting tooth, thereby reduce the area of contact between single cutting tooth of saw chain and the timber, and then reduce the cutting resistance of single cutting tooth. In a second aspect, the present application provides a mini chain saw, which adopts the following technical scheme: The utility model provides a miniature chain saw, includes organism and saw bit, and wherein, the saw bit includes baffle and foretell a saw chain, and the one end and the organism of baffle are connected, and the sprocket is installed to the baffle rotation, and the saw chain is around locating the outside of baffle and sprocket. Optionally, the machine body is provided with a mounting seat, a mounting cover is arranged on the mounting seat, a mounting space is formed between the mounting seat and the mounting cover, one end of the guide plate is embedded in the mounting space, a driving shaft is arranged in the machine body, and one end of the driving shaft extends into the mounting space and is meshed with the chain wheel. By adopting the technical scheme, one end of the guide plate is arranged on the mounting seat, the driving shaft is meshed with the chain wheel, and the mounting cover is covered to complete the mounting of the saw blade. The driving shaft is driven to rotate, so that the saw chain can be driven to cut wood. Optionally, a rotating groove is formed in the side wall of the machine body, the mounting seat is rotatably mounted in the rotating groove, a first limit column and a second limit column are respectively arranged on the side wall of the machine body, when the mounting seat rotates to prop against the first limit column, the saw blade is in an unfolding state, and when the mounting seat rotates to prop against the second limit column, the saw blade is in a storage state. Through adopting foretell technical scheme, rotate between mount pad and the organism and be connected, during the use, the rotating mount pad makes the outer wall of mount pad offset with first spacing post to "expansion" saw bit is in order to cut timber. When the saw blade is not used, the mounting seat is rotated, so that the outer wall of the mounting seat is propped against the second limiting column, and therefore the saw blade is stored, and the flexibility of the whole structure is improved. On the one hand, the saw blade in the 'storage' state can reduce the whole space occupation, so that the saw blade is convenient to carry and transport out, and the safety is improved. In the second aspect, the saw blade in the 'storage' state can reduce the possibility of damage to the saw blade or other objects when the