CN114073201A - Long-rod chain saw - Google Patents
Long-rod chain saw Download PDFInfo
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- CN114073201A CN114073201A CN202010817599.3A CN202010817599A CN114073201A CN 114073201 A CN114073201 A CN 114073201A CN 202010817599 A CN202010817599 A CN 202010817599A CN 114073201 A CN114073201 A CN 114073201A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
- A01G3/086—Chain saws
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Abstract
本发明公开了一种长杆类链锯，包括：马达，包括能转动的马达轴；输出装置，包括导板和缠绕在导板上的链条，马达驱动链条切割工件；第一壳体，用于支撑马达和输出装置；连接杆，输出装置被设置在连接杆的前端；长杆类链锯还包括：第二壳体，形成把手和电池包接口，把手被设置在连接杆的末端且把手形成握持开口，电池包接口供安装电池包；连接杆具有设置在第一平面上的轴线，至少部分把手被设置在第一平面的上方，电池包安装到电池包接口上时，电池包位于在把手的下方。本发明提出的长杆类链锯，可以在不延长整机长度的前提下，提高长杆类链锯的工作距离，从而方便用户操作。
The invention discloses a long-bar type chain saw, comprising: a motor, including a rotatable motor shaft; an output device, including a guide plate and a chain wound on the guide plate, and the motor drives the chain to cut a workpiece; a first casing is used for supporting The motor and the output device; the connecting rod, the output device is arranged at the front end of the connecting rod; the long-bar type chainsaw further comprises: a second casing, which forms a handle and a battery pack interface, the handle is arranged at the end of the connecting rod and the handle forms a grip The battery pack interface is used for installing the battery pack; the connecting rod has an axis arranged on the first plane, and at least part of the handle is arranged above the first plane. When the battery pack is installed on the battery pack interface, the battery pack is located on the handle. below. The long-bar type chain saw proposed by the present invention can improve the working distance of the long-bar type chain saw without extending the length of the whole machine, thereby facilitating the user's operation.
Description
Technical Field
The invention relates to a garden tool, in particular to a long rod chain saw.
Background
The long-rod chain saw is used as a garden tool and can be used for repairing branches, and objects at high places or far places can be cut through the long-rod chain saw. The connecting rod of long pole class chain saw is usually designed longer to load when the user uses is great, is difficult to hold long pole class chain saw work for a long time, and the long pole class chain saw of length is convenient for the user accurate control long pole class chain saw's front position, is unfavorable for the pruning to target article.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a long-rod chain saw which can improve the working distance of the long-rod chain saw on the premise of not prolonging the length of the whole machine, thereby facilitating the operation of a user.
In order to achieve the above main object of the invention, there is provided a long bar type chain saw comprising: a motor including a rotatable motor shaft; the output device comprises a guide plate and a chain wound on the guide plate, and the motor drives the chain to cut the workpiece; a first housing for supporting the motor and the output device; a connecting rod, the output device being provided at a front end of the connecting rod; the long-bar chain saw further comprises: the second shell forms a handle and a battery pack interface, the handle is arranged at the tail end of the connecting rod and forms a holding opening, and the battery pack interface is used for installing a battery pack; the connecting rod has an axis disposed in a first plane, at least a portion of the handle is disposed above the first plane, and the battery pack is positioned below the handle when the battery pack is mounted to the battery pack interface.
Optionally, the long bar type chain saw comprises: the fan can be driven by the motor to rotate to generate heat dissipation airflow; the first housing includes: the air inlet part comprises an air inlet cover and an air inlet formed at one side of the air inlet cover, and the air inlet is formed at one side of the air inlet cover, which is far away from the output device; and the air outlet part forms an air outlet and is arranged on the periphery of the fan.
Optionally, the long bar type chain saw comprises: the first housing includes: a main housing in which the motor is disposed, and the guide plate and the chain are disposed at one side of the main housing; the device comprises a housing, a part of output devices are arranged between the housing and a housing assembly, a dust outlet is formed between the housing and a main housing, a guide part is arranged at the tail end of the dust outlet and used for guiding the discharge direction of chips generated by cutting a workpiece by a chain to deviate from an air inlet.
Optionally: an upper dust outlet and a lower dust outlet are formed between the housing and the main shell, and the guide part is arranged at the tail end of the lower dust outlet; the housing forms a shielding part at the upper dust outlet, and the ratio of the sectional area of the upper dust outlet shielded by the shielding part to the open area of the upper dust outlet is more than or equal to 0.4 and less than or equal to 0.6.
Optionally: the main casing has relative upper limb and the lower side that sets up, and the interval of upper limb and lower side is more than or equal to 75mm and is less than or equal to 90 mm.
In order to achieve the above main object of the invention, there is provided a long bar type chain saw comprising: a motor including a rotatable motor shaft; the output device comprises a guide plate and a chain wound on the guide plate, and the motor drives the chain to cut the workpiece; a first housing for supporting the motor and the output device; a connecting rod, the output device being provided at a front end of the connecting rod; the long-bar chain saw further comprises: the second shell forms a handle and a battery pack interface, the handle is arranged at the tail end of the connecting rod and forms a holding opening, and the battery pack interface is used for installing a battery pack; the connecting rod has an axis disposed on a first plane, and the handle and the battery pack are disposed on both sides of the first plane when the battery pack is mounted on the battery pack interface.
Optionally: the guide plate is arranged to extend along a second plane, and the first plane is arranged to be perpendicular to the second plane; the handle deviates from the holding opening to form a holding surface, the holding surface is gradually close to the first plane in the direction away from the connecting rod, and the included angle between the tangent line of the holding surface and the first plane is more than or equal to 0 degree and less than or equal to 15 degrees.
Optionally: in the direction perpendicular to the first plane, the distance between the holding surface and the first plane is set to be greater than or equal to 60mm and less than or equal to 110mm, and the distance between the bottom surface of the battery pack and the first plane is set to be greater than or equal to 65mm and less than or equal to 90 mm.
Optionally, the long bar type chain saw comprises: and a cutting auxiliary generated at a lower side of the first housing, at least a portion of a bottom surface of the cutting auxiliary and a bottom surface of the battery pack being located in the same support plane, so that the long bar-type chain saw can be placed on the bottom surface while being supported by the cutting auxiliary and the battery pack.
Optionally: the guide plate and the chain are positioned on one side of the supporting plane.
The invention has the advantages that: the handle of long pole class chain saw is set up the end at the connecting rod and the handle forms and grips the opening, under the prerequisite that does not increase complete machine length, can the length extension working distance of make full use of connecting rod, and the user of being convenient for grips, when the battery package was installed on the battery package interface, handle and battery package quilt set up in the both sides of first plane to make the equilibrium of long pole class chain saw better, the user operation of being convenient for.
Drawings
Fig. 1 is a perspective view of a long-bar chain saw according to a first embodiment of the present invention.
Fig. 2 is a perspective view of a front end mechanism of the long-bar chain saw of fig. 1.
Fig. 3 is a sectional view of a front end mechanism of the long-bar chain saw of fig. 1.
Fig. 4 is a structural view of a gear box of the long-bar type chain saw of fig. 1.
Fig. 5 is an internal structural view of a front end mechanism of the long-bar chain saw of fig. 1.
Fig. 6 is a plan view of the long bar type chain saw of fig. 1.
Fig. 7 is a perspective view showing another angle of the front end mechanism of the long-bar chain saw of fig. 1.
Fig. 8 is a perspective view showing another angle of the front end mechanism of the long-bar chain saw of fig. 1.
Fig. 9 is a perspective view showing another angle of the front end mechanism of the long-bar chain saw of fig. 1.
Fig. 10 is a plan view of a front end mechanism of the long bar type chain saw of fig. 1.
Fig. 11 is an internal schematic view of a front end mechanism of the long bar type chain saw of fig. 1.
Fig. 12 is an internal schematic view of a front end mechanism of the long bar type chain saw of fig. 1.
Fig. 13 is a schematic view of an oil can of the long-bar chain saw of fig. 1.
Detailed Description
The long-bar type chain saw 100 of the present invention is a commonly used gardening tool, which can be used for repairing branches and the like. The invention is described in detail below with reference to the figures and the embodiments.
Referring to fig. 1 to 3, a long-bar type chainsaw 100 includes: the cutting machine comprises a motor 110, an output device 120, a shell assembly 200 and a connecting rod 140, wherein the output device 120 comprises a guide plate 121 and a chain 122 wound on the guide plate 121, the motor 110 comprises a rotatable motor shaft 111, and the chain 122 is driven to rotate through the rotation output of the motor shaft 111, so that the cutting operation is performed. The housing assembly 200 includes a first housing 130, the first housing 130 supporting the motor 110 and the output device 120, and the first housing 130 being disposed at a front end of a connecting rod 140, the connecting rod 140 being a long rod having a length such that a user can carry the chain 122 to a branch or other remote location to perform a cutting operation.
Referring to fig. 4, and 5, the long bar chainsaw 100 further includes a drive assembly 150 and a gear box 160, and a housing assembly 200 houses the motor 110 and the gear box 160. A drive assembly 150 connects the motor 110 and the output device 120, and a gear box 160 supports the drive assembly 150. The gear box 160 is disposed in the first housing 130, the driving assembly 150 includes a driving gear 151, an output shaft 152, and a sprocket 153, the driving gear 151 may be provided as a bevel gear, the end of the motor shaft 111 is provided as a tapered structure to be engaged with the driving gear 151, and the driving gear 151 is engaged with the end of the motor shaft 111 of the motor 110. The transmission gear 151 and the output shaft 152 are connected to rotate synchronously, the output shaft 152 drives the sprocket 153 to rotate, and the chain 122 is driven by the sprocket 153 to rotate on the guide plate 121.
Referring to fig. 6, the housing assembly 200 further includes a second housing 170, the second housing 170 forming a handle 171 and a battery pack interface 172. The handle 171 is provided for a user to hold, and the handle 171 is a D-shaped structure that forms a holding opening 1711 through which the user can hold the handle 171 with fingers. The handle 171 is disposed at the distal end of the connection rod 140 such that the connection rod 140 is disposed at an opposite side of the handle 171. The battery pack interface 172 is provided to mount the battery pack 173, the battery pack 173 can supply power to the motor 110, the battery pack 173 is detachably mounted to the battery pack interface 172, and when the battery pack 173 is mounted to the battery pack interface 172, the battery pack 173 and the handle 171 are oppositely disposed, and the handle 171 is connected to the battery pack interface 172. Optionally, the battery pack interface 172 and the handle 171 are integrally formed. The long-bar chain saw 100 is generally used for cutting an object at a high place in a distance, has a certain length and is heavy, and a handle is disposed at the end of the connecting rod 140, so that the length of the connecting rod 140 can be sufficiently utilized, and the design of the D-shaped handle enables a user to stably hold the handle 171, thereby realizing a long-lasting work of a high-place cutting work.
The connecting rod 140 has an axis 105 passing through the axis center thereof, the axis 105 is set to pass through the first plane 101, the battery pack 173 is connected to the battery pack interface 172, the battery pack and the handle 171 are respectively disposed at both sides of the first plane 101, so that when a user holds the handle 171, the connecting rod 140 connected to the output device 120 is located between the handle 171 and the battery pack, the balance is better, and the connecting rod 140 is adjacent to the handle 171, so that the user can easily grasp the position of the output device 120 at the front end, thereby facilitating the accurate cutting of the user. Optionally, the guide plate 121 is disposed to extend along the second plane 102, the first plane 101 is perpendicular to the second plane 102, so that when the first plane 101 is parallel to the ground, the handle 171 is disposed above the first plane 101, the battery pack is disposed below the first plane 101, and a vertical projection of the handle 171 on the first plane 101 at least partially overlaps a vertical projection of the battery pack on the first plane 101. Preferably, the distance between the holding surface 1712 and the first plane 101 is set to 60mm or more and 110mm or less in a direction perpendicular to the first plane 101, and the distance between the bottom surface of the battery pack and the first plane 101 is set to 65mm or more and 90mm or less. Thereby preventing the moment deviation from being too large when the long-bar chain saw 100 is operated, and making the whole machine unbalanced. A second handle 174 is further disposed at the middle section of the connecting rod 140, and the second handle 174 is held by a user, so that the user can hold the handle 171 and the second handle 174 at the same time, which is convenient for the user to operate.
At least a portion of the handle 171 is disposed above the first plane 101, and the battery pack 173 is located below the handle 171 when the battery pack 173 is mounted to the battery pack interface 172. The lower side of the first plane 101 means a direction of the guide front end with respect to the first plane when the guide is directed to the ground.
The handle 171 deviates from the holding opening 1711 to form a holding surface 1712, the holding surface 1712 is gradually close to the first plane 101 in the direction away from the connecting rod 140, and the included angle between the tangent line of the holding surface 1712 and the first plane 101 is greater than or equal to 0 degree and less than or equal to 15 degrees, so that the curve formed when the handle 171 is held by the matching hand is more suitable for human engineering, and the fatigue of a user during operation is reduced.
The long bar type chainsaw 100 further includes a cutting assistant 180, and the cutting assistant 180 is formed at the lower side of the first housing 130 as a hook having a certain angle. When the user is in the cutting operation, use the cutting branch as the example, there is branch part to connect the branch, does not have the condition that drops completely, and the user can carry out the manual branch of colluding down through cutting auxiliary 180 this moment. At least a portion of the bottom surface of the cutting aid 180 and the bottom surface of the battery pack are located in the same support plane so that the long bar-type chainsaw 100 can be placed on the bottom surface while being supported by the cutting aid 180 and the battery pack at the same time. The guide plate 121 and the chain 122 are located at one side of the support plane so that the user places the cutting aid 180 and the battery pack on the bottom surface, and when the long bar-type chain saw 100 is supported by the support plane, the cutting aid 180 and the battery pack are located on the ground, and the guide plate 121 and the chain 122 are located at the upper side of the support plane with respect to the ground, that is, the guide plate 121 and the chain 122 do not contact the ground, so that the guide plate 121 and the chain 122 are not damaged by contacting the ground when the long bar-type chain saw 100 is laid flat on the ground, and the service life of the chain 122 is prolonged.
The long-bar type chainsaw 100 further includes a fan which is provided on the motor shaft 111 and can be rotated by the motor 110 to generate a heat dissipating air flow.
Referring to fig. 7, the first housing 130 further includes an air inlet portion 131 and an air outlet portion 132, the air inlet portion 131 includes an air inlet cover 1311 and an air inlet 1312 formed at one side of the air inlet cover 1311, and the air inlet 1312 is formed at one side of the air inlet cover 1311 away from the output device 120. The air outlet portion 132 forms an air outlet, and the air outlet portion 132 is disposed at the periphery of the fan. The fan operates to guide the heat dissipation airflow from the air inlet portion 131 into the first housing 130, and the heat dissipation airflow flows through the motor 110, and flows out from the air outlet portion 132 after dissipating heat of the motor 110. When the long-bar chain saw 100 is used, for example, when the bar saw is used to cut branches, chips such as wood chips are generated during the cutting process by the output device 120 at the front end of the long-bar chain saw, the air intake cover 1311 disposed at one side of the air intake 1312 can prevent the wood chips from flying into the motor 110, the wood chips can cause abrasion and affect the service life of the components of the motor 110, and the stator 112 and the rotor of the motor 110 are easily blocked by the sucked chips to cause rotation blockage or abrasion.
The first housing 130 includes a main housing 133 and a housing 134, the motor 110 is disposed in the main housing 133, and the guide plate 121 and the chain 122 are disposed at one side of the main housing 133. The cover 134 is used for covering a part of the chain 122 and the chain wheel 153, a part of the output device 120 is arranged between the cover 134 and the shell assembly, a dust outlet 135 is formed between the cover 134 and the main shell 133, and chips generated by cutting the workpiece by the output device 120 are discharged through the dust outlet 135. The housing 134 forms a guiding portion 1341 disposed at the end of the dust outlet 135, and the guiding portion 1341 is used for guiding the discharging direction of the chips generated by the chain 122 cutting the workpiece to depart from the air inlet 1312. The cutting assistance member 180 is provided under the first housing 130, the guide portion 1341 extends forward of the output device 120 in a downward extending direction, and the guide portion 1341 protrudes downward with respect to the main housing 133 for guiding the flying debris generated from the dust outlet 135 away from the dust outlet 135, preventing the debris from entering the inside of the first housing 130 in a large amount, thereby extending the life span of the long-bar chain saw 100.
An upper dust outlet 1351 and a lower dust outlet 1352 are formed between the housing 134 and the main housing 133, and a guide portion 1341 is disposed at the end of the lower dust outlet 1352. The housing 134 forms a shielding portion 1353 at the upper dust outlet 1351, and a ratio of a cross-sectional area of the upper dust outlet 1351, which is shielded by the shielding portion 1353, to an opening area of the upper dust outlet 1351, which is open, is greater than or equal to 0.4 and less than or equal to 0.6. The opening area of upper dust outlet 1351 is the area of the opening formed by the edge of upper dust outlet 1351. When a workpiece at a high position is cut, the dust and debris flying out from the upper dust outlet 1351 are parabolic and easily fall to the top of the head of a user, so that the user is troubled, and the movement track of the debris flying out from the upper dust outlet 1351 is limited by the shielding part 1353, so that at least most of the dust cannot fall to the eyes or the top of the head of the user, and the use feeling of the user is improved.
Referring to fig. 8 and 10, the main housing 133 has an upper side 1331 and a lower side 1332 disposed opposite to each other, and a distance L1 between the upper side 1331 and the lower side 1332 is greater than or equal to 75mm and less than or equal to 90 mm. The shortest distance between the chain 122 and the upper dust outlet 1351 is greater than or equal to 1cm and less than or equal to 3cm, and similarly, the shortest distance between the chain 122 and the lower dust outlet 1352 is greater than or equal to 1cm and less than or equal to 3cm, that is, in a projection onto the second plane 102, the shortest distance from each point of the chain to the upper side 1131 is set to be greater than or equal to 1cm and less than or equal to 3 cm. The chain 122 is closer to the upper and lower edges of the housing 134, and the chain 122 is also closer to the upper side 1331 and the lower side 1332 of the main housing 133, so that the size of the main housing 133 can be reduced correspondingly on the premise that the size of the chain 122 is the same, thereby the front end of the long-bar chain saw 100 has lower weight and the load of a user during operation is reduced. The shortest distance between the chain 122 and the dust outlet 135 is greater than or equal to 1cm and less than or equal to 3cm, so that a user can observe the position and the state of the chain 122 through the dust outlet 135, the user can conveniently master the state of the long-rod chain saw 100, and the cutting operation is facilitated.
The motor 110 includes a stator 112 and a rotor assembly including a rotor sleeve 113 and a permanent magnet, the permanent magnet is mounted to the rotor sleeve 113, and the rotor sleeve 113 is disposed to be sleeved outside the stator 112. The stator 112 includes a stator support and a stator winding, a slot for fixing a permanent magnet is formed on the rotor sleeve 113, the permanent magnet is embedded into the slot to be mounted on the rotor sleeve 113, the stator winding is wound on the stator support, and the rotor assembly is sleeved outside the stator 112 and can rotate relative to the stator 112. Upon energization of the motor 110, the rotor assembly rotates relative to the stator 112 and includes a motor shaft 111, the motor shaft 111 and the rotor sleeve 113 being rotationally coupled in synchronism such that, when the motor 110 is operated, the motor shaft 111 rotates about the first axis 103 to drive the output shaft 152. The housing assembly is used for accommodating the motor 110 and the gear box 160, and a motor bracket 190 is further arranged in the housing assembly, and the motor bracket 190 supports the motor shaft 111 and is fixedly connected with the gear box 160. The motor bracket 190 enables the motor 110 and the gear box 160 to be stably connected, and improves the adaptability of the motor 110 and the transmission assembly 150, thereby improving the output performance of the output device 120.
Referring to fig. 11, the transmission assembly 150 further includes a bearing that axially positions the output shaft 152. The gear box 160 creates a bearing chamber that houses the bearings and a gear chamber 154 that houses the drive gear 151. The motor shaft 111 rotates about a first axis 103 and the output shaft 152 rotates about a second axis, the first axis 103 being perpendicular to the second axis. The motor bracket 190 includes a support sleeve sleeved on the motor shaft 111, and the motor shaft 111 can rotate relatively to the support sleeve. The support sleeve extends along a first axis 103.
Referring to fig. 13, the long bar chain saw 100 further includes a fixing member 191, the fixing member 191 connects the motor bracket 190 and the gear case 160, the motor bracket 190 further includes a first bracket portion 192 and a second bracket portion 193, the fixing member 191 is provided at both end portions of the first bracket portion 192, and the fixing member 191 fixedly connects the first bracket portion 192 and the gear case 160. Optionally, the first frame portion 192 is disposed perpendicular to the first axis 103. The motor bracket 190 further includes a second bracket portion 193, and the second bracket portion 193 is connected to the gear case 160 in a rotation-stopping manner in the axial direction of the first axis 103 with respect to the gear case 160. Alternatively, the gear case 160 is formed with a groove, and the second bracket part 193 is fitted into the groove when the motor bracket 190 is mounted to the gear case 160, so that the second bracket part 193 is rotatably coupled to the gear case 160. Optionally, the first bracket portion 192 is also inserted into a groove formed in the gear case 160. Under the condition that the fixing member 191 fixedly connects the first bracket part 192 and the gear box 160, the gear box 160 and the motor bracket 190 are further prevented from rotating relative to each other by the cooperation of the second bracket part 193 and the gear box 160, thereby stably limiting the position of the motor 110 and precisely engaging the motor 110 with the transmission gear 151. Optionally, the fixing member 191 is a screw, passes through the first bracket part 192 and the gear box 160 to fixedly connect the two, and is placed in a groove of the gear box 160 through the second bracket part 193, so that the assembly is convenient, and the assembly is simple and effective.
Referring to fig. 13, the first housing 130 is further provided with an oil pot 136, and the oil pot 136 is used for placing oil for lubricating the transmission assembly 150. Oil can 136 includes at least first and second visible surfaces 1361 and 1362, and first and second visible surfaces 1361 and 1362 are exposed from first housing 130, and first and second visible surfaces 1361 and 1362 are oriented in different directions, so that a user can obtain the content of oil remaining in oil can 136 from at least two directions. The oil can 136 is disposed at one end of the main housing 133, and the first housing 130 further includes a motor 110 housing fixedly connected to the main housing 133, the motor 110 housing is used for accommodating the motor 110, and the interior of the motor 110 housing is communicated with the main housing 133. At least part of the oil can 136 is disposed inside the main housing 133, that is, at least part of the oil can 136 and the gear box 160 are disposed inside the main housing 133 together. The oil can 136 includes a positioning element 1363, the first housing 130 includes a positioning slot, and the positioning element 1363 is disposed in the positioning slot. The long bar chainsaw 100 further includes a connector 1364, the connector 1364 fixedly connecting the oil can 136 and the first housing 130.
Through the cooperation of the positioning element 1363 and the first housing, the oil can 136 can be fixedly connected to the first housing 130 only by one connecting element 1364, the structure is simplified from the appearance, the installation manner is simple, and the positioning element 1363 is arranged inside the housing, so that the oil can 136 can be more exposed relative to the first housing 130, and the user can conveniently control the amount of oil left in the oil can 136.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. A long bar type chain saw comprising:
a motor including a rotatable motor shaft;
the output device comprises a guide plate and a chain wound on the guide plate, and the motor drives the chain to cut a workpiece;
a first housing for supporting the motor and the output device;
a connecting rod, the output device being disposed at a front end of the connecting rod;
characterized in that the long bar-type chain saw further comprises:
a second housing forming a handle disposed at a distal end of the connecting rod and forming a grip opening, and a battery pack interface for mounting a battery pack;
the connecting rod has an axis disposed in a first plane, at least a portion of the handle is disposed above the first plane, and the battery pack is positioned below the handle when the battery pack is mounted to the battery pack interface.
2. A long bar type chain saw as set forth in claim 1, comprising:
the fan can be driven by the motor to rotate to generate heat dissipation airflow;
the first housing includes:
the air inlet part comprises an air inlet cover and an air inlet formed at one side of the air inlet cover, and the air inlet is formed at one side of the air inlet cover, which is far away from the output device;
and the air outlet part forms an air outlet and is arranged on the periphery of the fan.
3. The long bar type chain saw of claim 2, comprising:
the first housing includes:
a main housing, the motor being disposed within the main housing, and the guide plate and the chain being disposed at one side of the main housing;
the output device is arranged between the cover shell and the shell assembly, a dust outlet is formed between the cover shell and the main shell, the cover shell forms a guide part arranged at the tail end of the dust outlet, and the guide part is used for guiding the discharge direction of the scraps generated by cutting the workpiece by the chain to deviate from the air inlet.
4. The long bar type chain saw of claim 3, wherein:
an upper dust outlet and a lower dust outlet are formed between the housing and the main shell, and the guide part is arranged at the tail end of the lower dust outlet;
the cover shell forms a shielding part at the upper dust outlet, and the ratio of the sectional area of the upper dust outlet shielded by the shielding part to the open area of the upper dust outlet is more than or equal to 0.4 and less than or equal to 0.6.
5. The long bar type chain saw of claim 4, wherein:
the main casing has relative last side and the lower side that sets up, go up the side with the interval more than or equal to 75mm and less than or equal to 90mm of side down.
6. A long bar type chain saw comprising:
a motor including a rotatable motor shaft;
the output device comprises a guide plate and a chain wound on the guide plate, and the motor drives the chain to cut a workpiece;
a first housing for supporting the motor and the output device;
a connecting rod, the output device being disposed at a front end of the connecting rod;
characterized in that the long bar-type chain saw further comprises:
a second housing forming a handle disposed at a distal end of the connecting rod and forming a grip opening, and a battery pack interface for mounting a battery pack;
the connecting rod has an axis disposed on a first plane, and the handle and the battery pack are disposed on both sides of the first plane when the battery pack is mounted on the battery pack interface.
7. The long bar type chain saw of claim 6, wherein:
the guide plate is arranged to extend along a second plane, the first plane being arranged perpendicular to the second plane;
the handle deviates from the holding opening to form a holding surface, the holding surface is gradually close to the first plane in the direction away from the connecting rod, and the included angle between the tangent line of the holding surface and the first plane is greater than or equal to 0 degree and less than or equal to 15 degrees.
8. The long bar type chain saw of claim 7, wherein:
in the direction perpendicular to the first plane, the distance between the holding surface and the first plane is set to be greater than or equal to 60mm and less than or equal to 110mm, and the distance between the bottom surface of the battery pack and the first plane is set to be greater than or equal to 65mm and less than or equal to 90 mm.
9. The long bar type chain saw of claim 8, comprising:
a cutting accessory generated at a lower side of the first housing, a bottom surface of at least a part of the cutting accessory and a bottom surface of the battery pack being located in a same support plane, so that the long bar-type chain saw can be placed on the bottom surface while being supported by the cutting accessory and the battery pack at the same time.
10. The long bar type chain saw of claim 9, wherein:
the guide plate and the chain are located on one side of the support plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817599.3A CN114073201A (en) | 2020-08-14 | 2020-08-14 | Long-rod chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817599.3A CN114073201A (en) | 2020-08-14 | 2020-08-14 | Long-rod chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114073201A true CN114073201A (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010817599.3A Pending CN114073201A (en) | 2020-08-14 | 2020-08-14 | Long-rod chain saw |
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| Country | Link |
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| CN (1) | CN114073201A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024131819A1 (en) * | 2022-12-21 | 2024-06-27 | 南京泉峰科技有限公司 | Chainsaw |
| EP4397462A1 (en) * | 2023-01-09 | 2024-07-10 | Nanjing Chervon Industry Co., Ltd. | Pole chain saw |
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| JP2002210705A (en) * | 2001-01-19 | 2002-07-30 | Ryobi Ltd | Chain saw |
| CN203261831U (en) * | 2013-05-15 | 2013-11-06 | 江门市朝扬精密制造有限公司 | Electric lopper saw |
| CN203340653U (en) * | 2013-06-26 | 2013-12-18 | 国家电网公司 | Electric branch cutting device for electric transmission line |
| CN107205338A (en) * | 2015-02-06 | 2017-09-26 | Mtd产品公司 | Hand-held lawn maintenance instrument |
| CN209403101U (en) * | 2018-11-20 | 2019-09-20 | 南京德朔实业有限公司 | Stock type electric tool and pruner |
| CN210120175U (en) * | 2018-12-25 | 2020-02-28 | 南京德朔实业有限公司 | Power tools and their hosts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002210705A (en) * | 2001-01-19 | 2002-07-30 | Ryobi Ltd | Chain saw |
| CN203261831U (en) * | 2013-05-15 | 2013-11-06 | 江门市朝扬精密制造有限公司 | Electric lopper saw |
| CN203340653U (en) * | 2013-06-26 | 2013-12-18 | 国家电网公司 | Electric branch cutting device for electric transmission line |
| CN107205338A (en) * | 2015-02-06 | 2017-09-26 | Mtd产品公司 | Hand-held lawn maintenance instrument |
| CN209403101U (en) * | 2018-11-20 | 2019-09-20 | 南京德朔实业有限公司 | Stock type electric tool and pruner |
| CN210120175U (en) * | 2018-12-25 | 2020-02-28 | 南京德朔实业有限公司 | Power tools and their hosts |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024131819A1 (en) * | 2022-12-21 | 2024-06-27 | 南京泉峰科技有限公司 | Chainsaw |
| EP4397462A1 (en) * | 2023-01-09 | 2024-07-10 | Nanjing Chervon Industry Co., Ltd. | Pole chain saw |
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