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WO2018141105A1 - Scie à chaîne - Google Patents

Scie à chaîne Download PDF

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Publication number
WO2018141105A1
WO2018141105A1 PCT/CN2017/072936 CN2017072936W WO2018141105A1 WO 2018141105 A1 WO2018141105 A1 WO 2018141105A1 CN 2017072936 W CN2017072936 W CN 2017072936W WO 2018141105 A1 WO2018141105 A1 WO 2018141105A1
Authority
WO
WIPO (PCT)
Prior art keywords
accessory device
locking member
chain
guide plate
housing
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/072936
Other languages
English (en)
Chinese (zh)
Inventor
付慧星
聂方杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Chervon Industry Co Ltd
Original Assignee
Nanjing Chervon Industry Co Ltd
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 Nanjing Chervon Industry Co Ltd filed Critical Nanjing Chervon Industry Co Ltd
Priority to PCT/CN2017/072936 priority Critical patent/WO2018141105A1/fr
Publication of WO2018141105A1 publication Critical patent/WO2018141105A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

Definitions

  • the invention relates to a chain saw.
  • a chain saw As a power tool, a chain saw includes a chain having a plurality of cutting portions for performing a cutting function. After a long period of work, the chain may be slack, and the slack chain not only affects the cutting performance, but also may cause danger and cause damage to the human body.
  • the existing chain tensioning device has a complicated structure and is inconvenient to operate.
  • a chain saw includes: a main body, a guide plate and an accessory device; the main body includes: a motor, a sprocket and a first housing; the sprocket is driven by a motor to rotate the chain to drive the chain; the first housing is for housing or mounting the motor
  • the guide plate is used for guiding the chain; the accessory device is used for fixing the guide plate and tensioning the chain; the accessory device is detachably coupled to the main body; and the accessory device is moved between a combined position combined with the main body and a separated position separated from the main body.
  • the accessory device When the accessory device is in the combined position, the guide plate is fixed; when the accessory device is in the separated position, the guide plate is released, the chain is in a relaxed state; the accessory device includes: a drive spring, and the force applied to the guide plate to move the guide plate away from the sprocket; the operating member a user operable to compress the drive spring; a locking member that moves between a first position that locks the drive spring in the compressed state and a second position that unlocks the drive spring; and an elastic member that applies a movement to the first position of the lock member And a second housing for mounting the drive spring, the operating member, the locking member and the resilient member; the accessory device is in separation When set, the user operates the operation member is a compression drive spring; accessory device is separated from the position to the coupling position, the locking member is moved to the second position to unlock the drive spring; drive spring drives the guide plate away from the sprocket to achieve tensioning of the chain.
  • the first housing is provided with a bump; and when the attachment device moves from the separated position to the engaged position, the bump drive locking member moves from the first position to the second position.
  • the locking member is rotatably coupled to the second housing; the locking member is perpendicular to the axis of rotation of the second housing and the axis of rotation of the sprocket.
  • a drive spring is disposed between the operating member and the second housing.
  • the operating member is formed with a locking portion that can contact the locking member; when the locking member is in the first position, The locking member is in contact with the locking portion to maintain the drive spring in a compressed state.
  • the guide plate is fixed with a pushing block
  • the operating member is formed with a contact portion capable of contacting the pushing block; when the locking member is in the second position, the driving spring drives the operating member to move to drive the guiding plate to move.
  • a chain saw includes: a main body, a guide plate and an attachment device; the main body includes: a motor, a sprocket, a first housing and a fastening bolt; the sprocket is driven by a motor to rotate to drive the chain; the first housing is used for Accommodating or installing the motor; the fastening bolt protrudes from the first housing; the guide plate is used for guiding the chain; the accessory device is for fixing the guide plate and tensioning the chain; the accessory device is detachably coupled to the main body; and the accessory device is combined with the main body The joint position and a separate position from the main body are moved; when the accessory device is in the combined position, the guide plate is fixed; when the accessory device is in the separated position, the guide plate is released, the chain is in a relaxed state; the accessory device includes: a fastener Cooperating with the fastening bolt for fixing the guide plate; driving the spring to apply a force to the guide plate to move the guide plate away from the sprocket; the second housing
  • the accessory device includes: an operating member for the user to operate; when the accessory device is in the separated position, the operating member can be operated by the user to apply a force to the driving spring to elastically deform the driving spring; when the accessory device moves from the separated position to the coupled position Drive the spring drive guide away from the sprocket.
  • a drive spring is disposed between the operating member and the second housing; the drive spring applies a force to the guide plate through the operating member.
  • the accessory device further includes: a locking member movably coupled to the second housing; the locking member moving between the first position locking the drive spring in the elastically deformed state and the second position unlocking the drive spring; the elastic member, A force that moves toward the first position is applied to the locking member.
  • the accessory device further includes: an operating member for the user to operate; and when the accessory device is in the separated position, the operating member can be operated by the user to apply a force to the driving spring to elastically deform the driving spring.
  • the locking member is rotatably coupled to the second housing.
  • a chain saw includes: a main body, a guide plate and an accessory device, the main body includes: a motor, a sprocket and a first housing; the sprocket is driven by a motor to rotate to drive the chain; the first housing is for accommodating or mounting the motor
  • the guide plate is used for guiding the chain; the accessory device is used for fixing the guide plate and tensioning the chain; the accessory device is detachably coupled to the main body; and the accessory device is moved between a combined position combined with the main body and a separated position separated from the main body.
  • the accessory device When the accessory device is in the combined position, the guide plate is fixed; when the accessory device is in the separated position, the guide plate is released, the chain is in a relaxed state; the accessory device includes: an energy storage device for releasing the action The energy of the guide plate to tension the chain; the operating device for the user to operate to apply a force to the energy storage device to cause the energy storage device to accumulate energy for release; and the second housing for mounting the energy storage device and operation The device is operable by the user to accumulate energy when the accessory device is in the disengaged position; when the accessory device is moved from the disengaged position to the engaged position, the energy storage device releases energy to drive the guide away from the sprocket to tension the chain.
  • the accessory device further includes: a locking device that moves between a locked position of the locked energy storage device and an unlocked position that unlocks the energy storage device; when the accessory device moves from the separated position to the coupled position, the locking device is The locked position moves toward the unlocked position and the energy storage device releases energy to push the guide away from the sprocket to tension the chain.
  • the energy storage device includes: a drive spring; the operating device includes an operating member operated by the user to compress the drive spring; the locking device includes: a locking member movably coupled to the second housing; the locking member in the first position and the first Moving between the two positions; when the locking member is in the first position, the locking member maintains the driving spring in a compressed state; when the locking member is in the second position, the driving spring pushes the guiding plate away from the sprocket.
  • the first housing is provided with a bump that can contact the locking member; when the attachment device moves from the separated position to the engaged position, the bump drive locking member moves from the first position to the second position.
  • the locking member is rotatably coupled to the second housing; the accessory device further includes an elastic member; and the elastic member applies a force to the locking member to move the locking member toward the first position.
  • the operating member is formed with a locking portion that can be in contact with the locking member; when the locking member is in the first position, the locking member contacts the locking portion to maintain the driving spring in a compressed state.
  • the guide plate is fixed with a pushing block
  • the operating member is formed with a contact portion capable of contacting the pushing block; when the locking member is in the second position, the driving spring drives the operating member to move to drive the guiding plate to move.
  • the locking member is rotatably coupled to the second housing.
  • the chain saw disclosed by the invention realizes the automatic tensioning of the chain during the process of installing the accessory device, reduces the operation steps of the chain tensioning; can achieve the same moderate tensioning force every time the tension is tightened, without human interpretation And apply tension; after the chain is relaxed, it is quick and easy to tighten again.
  • Figure 1 is a schematic view of a chain saw
  • Figure 2 is a schematic view of another perspective view of the chain saw of Figure 1;
  • Figure 3 is an exploded view of the main body, the guide plate and the accessory device of the chain saw of Figure 1;
  • Figure 4 is a schematic view of the attachment device of the chain saw of Figure 1 in a separated position
  • Figure 5 is an exploded view of the attachment structure, the motor, and the guide of the chain saw of Figure 4;
  • Figure 6 is an exploded view of another perspective of the structure of Figure 5;
  • Figure 7 is a schematic view showing the separation of the second left casing and the second right casing of the accessory device of Figure 4;
  • Figure 8 is a schematic view of the locking member of the accessory device of Figure 7 in a first position
  • Figure 9 is a schematic illustration of the locking member of the accessory device of Figure 8 in a second position.
  • the chain saw 100 includes a main body 10, a guide 20, and an attachment device 30.
  • the guide plate 20 is used to guide the chain 21.
  • the chain 21 rotates around the guide 20.
  • the accessory device 30 is used to secure the guide 20 and tension the chain 21.
  • the accessory device 30 is detachably coupled to the main body 10.
  • the guide plate 20 is disposed between the main body 10 and the accessory device 30.
  • the accessory device 30 and the main body 10 clamp the guide 20.
  • the accessory device 30 is moved between a combined position that is coupled to the main body 10 and a separated position that is separate from the main body 10.
  • the attachment device 30 of Figure 1 is in the engaged position and the guide 20 is secured.
  • the guide plate 20 is clamped by the attachment device 30 and the main body 10.
  • the accessory device 30 is in the disengaged position, the guide 20 is released and the chain 21 is in a relaxed state.
  • the guide 20 is released, that is, the guide 20 is not clamped by the main body 10 and the attachment device 30.
  • the user can remove the guide 20 or replace the chain 21.
  • the chain 21 is in a relaxed state, that is, the chain 21 is not subjected to the force to tension it. Or the guide 20 is not subjected to the force of tensioning the chain 21.
  • the main body 10 includes a motor 11, a sprocket 12, and a first housing 13.
  • the motor 11 is used to drive the sprocket 12 to rotate.
  • the sprocket 12 is used to drive the movement of the chain 21.
  • the motor 11 is mounted to the first housing 13.
  • the first housing 13 includes a first left housing 133 and a first right housing 134.
  • the first housing 13 houses the motor 11.
  • the motor 11 is disposed in a housing chamber surrounded by the first left housing 133 and the first right housing 134.
  • the motor 11 may be an internal combustion engine powered by fuel combustion or an electric motor powered by electric power.
  • the motor 11 is a motor.
  • the chain saw 100 also includes a battery pack 111 that powers the motor 11.
  • the battery pack 111 is detachably coupled to the first housing 13.
  • the first housing 13 is formed with a main handle 131 for the user to hold.
  • Chain saw 100 also includes an auxiliary handle 132.
  • the auxiliary handle 132 is coupled to the first housing 13. The user can hold the main handle 131 and the auxiliary handle 132 separately with both hands.
  • the accessory device 30 includes: an energy storage device 31 , an operation device 32 , and a locking device The 33 and the second housing 34 are disposed.
  • the energy storage device 31 is capable of releasing energy to tension the chain 21, and the energy storage device 31 releases energy to move the guide 20 away from the sprocket 12 to tension the chain 21.
  • the operating device 32 is operated by a user to apply a force to the energy storage device 31 to cause the energy storage device 31 to accumulate energy for release.
  • the locking device 33 moves between a locked position that locks the energy storage device 31 and an unlocked position that unlocks the energy storage device 31.
  • the energy storage device 31 is unable to release energy.
  • the energy storage device 31 is capable of releasing energy to drive the guide 20 away from the sprocket 12, thereby tensioning the chain 21.
  • the energy storage device 31, the operating device 32, and the locking device 33 are mounted to the second housing 34.
  • the user can operate the operating device 32 to cause the energy storage device 31 to accumulate energy.
  • the energy storage device 31 releases the energy to drive the guide 20 away from the sprocket 12 to tension the chain 21.
  • the locking device 33 is moved from the locked position to the unlocked position.
  • the energy storage device 31 releases energy to push the guide 20 away from the sprocket 12 to tension the chain 21. That is, when the accessory device 30 is in the disengaged position, the user can operate the operating device 32 to store the energy storage device 31.
  • the guide 20 When the user operates the operating device 32 to store the energy storage device 31, the guide 20 is not subjected to the force to tension the chain 21. It is also not necessary to apply this force when the user installs the guide 20. During the user installation of the accessory device 30, the energy storage device 31 releases energy to drive the guide 20 away from the sprocket 12 to tension the chain 21.
  • a conventional chain saw 100 with automatic tensioning The force of the guide plate 20 is directly applied to the guide plate 20 by the spring to move the guide plate 20. It is necessary to overcome the force of the spring when installing the guide 20 and the chain 21. That is, when the user installs the guide 20, it is necessary to grip the guide 20 and push the guide 20 toward the sprocket 12 to compress the spring.
  • the chain saw 100 is provided with a separate operating device 32, which does not require the user to hold the guide plate 20 for energy storage, thereby avoiding touching the chain 21 during the installation process, thereby improving safety performance.
  • the user can store the energy storage device 31 by operating the operating device 32, and the energy storage process is comfortable and quick.
  • the guide 20 and the chain 21 need to be installed first; and in the second step, the accessory device 30 is mounted.
  • the guide 20 is not subjected to The force away from the sprocket 12 or the chain 21 is not subjected to the force that causes it to be tensioned.
  • the user does not need to apply a force to the guide plate 20 to overcome the automatic tensioning thereof, and the installation of the chain 21 and the guide plate 20 is convenient and quick.
  • the guide 20 is tensioned by the force of the sprocket 12 away from the chain 21.
  • the tensioning operation is quick and easy.
  • the guide 20 and the chain 21 are in a relaxed state. That is, the guide plate 20 is not subjected to the force, and the guide plate 20 is not caused to fly out when the guide plate 20 is removed, which has high safety and the disassembly process is convenient and quick.
  • the energy storage device 31 includes a drive spring 311.
  • the drive spring 311 is elastically deformed by an external force to store energy.
  • the drive spring 311 releases the stored energy by changing from the elastically deformed state to the free state.
  • the drive spring 311 applies a force to the guide 20 to move the guide 20 away from the sprocket 12 to tension the chain 21.
  • the operating device 32 includes an operating member 321.
  • the operating member 321 can be biased by the user to apply a force to the drive spring 311 to elastically deform the drive spring 311. That is, the drive spring 311 stores energy under the action of the operating member 321.
  • the user can operate the operating member 321 to apply a force for elastically deforming the drive spring 311 to the drive spring 311, thereby causing the drive spring 311 to store energy when the accessory device 30 is in the disengaged state.
  • the locking device 33 includes a locking member 331.
  • the locking member 331 is movably coupled to the second housing 34. Specifically, the locking member 331 is rotatably coupled to the second housing 34. The axis of rotation of the locking member 331 with respect to the second housing 34 is perpendicular to the axis of rotation of the sprocket 12.
  • the locking member 331 moves between the first position and the second position. In Figure 8, the locking member 331 is in the first position and the locking device 33 is in the locked position. In Fig. 9, the locking member 331 is in the second position and the locking device 33 is in the unlocked position. When the locking member 331 is in the first position, the locking member 331 locks the drive spring 311 in an elastically deformed state.
  • the locking member 331 When the locking member 331 is in the second position, the locking member 331 unlocks the drive spring 311.
  • the drive spring 311 changes from the elastically deformed state to the free state, thereby generating a force externally.
  • the drive spring 311 drives the guide 20 away from the sprocket 12.
  • the lock piece 331 moves from the separated position to the joint position, the lock piece 331 moves from the first position to the second position.
  • the drive spring 311 is unlocked, so that the guide spring 20 is driven away from the sprocket 12 by the drive spring 311.
  • the drive spring 311, the operating member 321 and the locking member 331 are mounted to the second housing 34.
  • the second housing 34 includes a second left housing 341 and a second right housing 342.
  • Drive spring 311, operating member 321 and locking member 331 It is disposed between the second left housing 341 and the second right housing 342.
  • the drive spring 311 may be a compression spring or a tension spring. Specifically, the drive spring 311 is a compression spring.
  • the operating member 321 is operated by a user to compress the drive spring 311 to store energy.
  • the drive spring 311 releases energy when changing from the compressed state to the free state, pushing the guide 20 away from the sprocket 12.
  • the locking member 331 When the locking member 331 is in the first position, the locking member 331 holds the drive spring 311 in a compressed state.
  • the drive spring 311 pushes the guide 20 away from the sprocket 12.
  • the drive spring 311 is disposed between the operating member 321 and the second housing 34. Both ends of the drive spring 311 are connected to the operating member 321 and the second housing 34, respectively. The urging force of the drive spring 311 for tensioning the chain 21 is transmitted to the guide 20 through the operating member 321.
  • the accessory device 30 further includes an elastic member 35 that applies a force to the locking member 331 to move toward the first position.
  • the elastic member 35 is disposed between the second housing 34 and the locking member 331.
  • the elastic member 35 may be a spring piece or a spring. in particular.
  • the elastic member 35 is a compression spring. Both ends of the elastic member 35 are connected to the second housing 34 and the locking member 331, respectively.
  • the operating member 321 is slidably coupled to the second housing 34.
  • the operating member 321 is formed with a locking portion 322 that is in contact with the locking member 331.
  • the locking member 331 When the locking member 331 is in the first position, the locking member 331 is in contact with the locking portion 322 to maintain the drive spring 311 in the compressed position.
  • the operating member 321 is formed with a contact portion 323.
  • the guide plate 20 is fixed with a push block 22.
  • the contact portion 323 is in contact with the push block 22, and when the lock member 331 is in the second position, the drive spring 311 drives the operation member 321 to move, and the operation member 321 moves the guide plate 20 by the contact of the contact portion 323 with the push block 22.
  • the first housing 13 is provided with a bump 135.
  • the bump 135 may be formed by the first housing 13 or may be fixed to the first housing 13.
  • the bump 135 drives the locking member 331 to move from the first position to the second position.
  • the length of the projection 135 deepens into the second housing 34 becomes longer, the projection 135 contacts the locking member 331 and pushes the locking member 331 to move, so that the locking member 331 Moving from the first position shown in Figure 8 to the second position shown in Figure 9.
  • the accessory device 30 includes a fastener 36.
  • the main body 10 includes a fastening bolt 14.
  • the fastening bolt 14 protrudes from the first housing 13.
  • the fastening bolt 14 is coupled to the fastener 36 through the second housing 34 for securing the guide 20.
  • the fastener 36 constitutes a knob for user manipulation. User can The fastener 36 is manually rotated to secure the accessory device 30 to the main body 10.
  • the guide plate 20 and the chain 21 are loosened by the external force.
  • the user can rotate the fastener 36 to loosen the fastener 36, and the driving spring 311 applies a force to the guide plate 20 to drive the guide plate 20 away from the chain.
  • the wheel 12 thus tensions the chain 21.
  • the user can tighten the fasteners 36 to clamp the guides 20 in reverse.
  • the operation of the tension chain 21 is convenient and quick.
  • the user can rotate the fastener 36 to disengage the fastener 36 from the fastening bolt 14.
  • the accessory device 30 is separated from the main body 10. After the user replaces the chain 21 and the guide 20, the chain 21 and the guide 20 are placed in a position to be coupled with the main body 10. At this time, the guide 20 and the chain 21 are still in a relaxed state.
  • the user operates the operating member 321 to push the operating member 321 to move the compression driving spring 311.
  • the locking member 331 is biased by the elastic member 35 to be held in the first position. That is, the drive spring 311 is locked in the compressed state. The user completes the compression and locking of the drive spring 311 when the accessory device 30 is in the disengaged position.
  • the fastening bolt 14 is passed through the second housing 34 and corresponds to the fastener 36.
  • the user rotates the fastener 36 to bring the accessory device 30 toward the main body 10, that is, the accessory device 30 moves toward the engaged position, and the bump 135 comes into contact with the locking member 331 during the movement.
  • the attachment device 30 approaches the main body 10
  • the projection 135 pushes the locking member 331 against the urging force of the elastic member 35 to rotate the locking member 331 and finally moves the locking member 331 to the second position.
  • the compression spring is unlocked, the compression spring pushes the movement member 321 to move, and the operating member 321 drives the push block 22 to move to drive the guide plate 20 to move, thereby realizing the tensioning chain 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)

Abstract

L'invention concerne une scie à chaîne, comprenant : un corps principal (10) de machine, une plaque de guidage (20) et un dispositif accessoire (30), utilisé pour fixer la plaque de guidage (20) et tendre une chaîne (21); le dispositif accessoire (30) est combiné de façon démontable au corps principal (10) de machine, et le dispositif accessoire (30) se déplace entre une position de combinaison dans laquelle il est combiné au corps principal (10) de machine et une position de séparation dans laquelle il est séparé du corps principal (10) de machine; le dispositif accessoire (30) comprend un ressort d'entraînement (311), un élément d'actionnement (321) et un élément de verrouillage (331), l'élément de verrouillage (331) se déplaçant entre une première position dans laquelle le ressort d'entraînement (311) est verrouillé dans un état comprimé et une seconde position dans laquelle le ressort d'entraînement (311) est déverrouillé; lorsque le dispositif accessoire (30) est dans la position de séparation, l'élément d'actionnement (321) est actionné par un utilisateur pour comprimer le ressort d'entraînement (311), et lorsque le dispositif accessoire (30) se déplace de la position de séparation à la position de combinaison, l'élément de verrouillage (331) se déplace vers la seconde position dans laquelle le ressort d'entraînement (311) est déverrouillé, le ressort d'entraînement (311) entraînant la plaque de guidage (20) à l'opposé d'une roue dentée (12) de chaîne pour tendre la chaîne (21). L'opération consistant à tendre la chaîne de la scie à chaîne est pratique, rapide et efficace.
PCT/CN2017/072936 2017-02-06 2017-02-06 Scie à chaîne Ceased WO2018141105A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/072936 WO2018141105A1 (fr) 2017-02-06 2017-02-06 Scie à chaîne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/072936 WO2018141105A1 (fr) 2017-02-06 2017-02-06 Scie à chaîne

Publications (1)

Publication Number Publication Date
WO2018141105A1 true WO2018141105A1 (fr) 2018-08-09

Family

ID=63039243

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/072936 Ceased WO2018141105A1 (fr) 2017-02-06 2017-02-06 Scie à chaîne

Country Status (1)

Country Link
WO (1) WO2018141105A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113523427A (zh) * 2021-07-30 2021-10-22 江苏东成工具科技有限公司 链锯
USD1051691S1 (en) * 2024-02-27 2024-11-19 Minli Liao Chainsaw

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006035744A1 (de) * 2006-07-28 2008-02-07 Circle Gmbh Engineering Solutions Vorrichtung zum automatischen Spannen einer Kette einer einen Kettenantrieb aufweisenden Werkzeugmaschine, insbesondere einer Kettensäge
CN101134253A (zh) * 2006-08-30 2008-03-05 株式会社牧田 链锯
CN101758520A (zh) * 2008-12-23 2010-06-30 苏州宝时得电动工具有限公司 链锯
GB2481038A (en) * 2010-06-09 2011-12-14 Richard John Olley Chain Tensioning Device with Easy Removal of Guide Bar
CN203282550U (zh) * 2013-05-30 2013-11-13 常州合力电器有限公司 链锯
CN104308261A (zh) * 2013-03-06 2015-01-28 安德烈·斯蒂尔股份两合公司 具有用于链条的张紧装置的手持式作业器具
CN204818278U (zh) * 2015-08-28 2015-12-02 弘大集团有限公司 链锯锯链快速张紧锁定装置
CN205852983U (zh) * 2016-07-21 2017-01-04 浙江三锋实业股份有限公司 一种链锯的锯链调节装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006035744A1 (de) * 2006-07-28 2008-02-07 Circle Gmbh Engineering Solutions Vorrichtung zum automatischen Spannen einer Kette einer einen Kettenantrieb aufweisenden Werkzeugmaschine, insbesondere einer Kettensäge
CN101134253A (zh) * 2006-08-30 2008-03-05 株式会社牧田 链锯
CN101758520A (zh) * 2008-12-23 2010-06-30 苏州宝时得电动工具有限公司 链锯
GB2481038A (en) * 2010-06-09 2011-12-14 Richard John Olley Chain Tensioning Device with Easy Removal of Guide Bar
CN104308261A (zh) * 2013-03-06 2015-01-28 安德烈·斯蒂尔股份两合公司 具有用于链条的张紧装置的手持式作业器具
CN203282550U (zh) * 2013-05-30 2013-11-13 常州合力电器有限公司 链锯
CN204818278U (zh) * 2015-08-28 2015-12-02 弘大集团有限公司 链锯锯链快速张紧锁定装置
CN205852983U (zh) * 2016-07-21 2017-01-04 浙江三锋实业股份有限公司 一种链锯的锯链调节装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113523427A (zh) * 2021-07-30 2021-10-22 江苏东成工具科技有限公司 链锯
USD1051691S1 (en) * 2024-02-27 2024-11-19 Minli Liao Chainsaw

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