CN113211553A - Integrated chain saw cutting system convenient for saw chain installation and chain saw - Google Patents
Integrated chain saw cutting system convenient for saw chain installation and chain saw Download PDFInfo
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- CN113211553A CN113211553A CN202110521204.XA CN202110521204A CN113211553A CN 113211553 A CN113211553 A CN 113211553A CN 202110521204 A CN202110521204 A CN 202110521204A CN 113211553 A CN113211553 A CN 113211553A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 title claims abstract description 34
- 230000010354 integration Effects 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011900 installation process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 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
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- 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
- B27B17/08—Drives or gearings; Devices for swivelling or tilting the chain saw
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- 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
- B27B17/14—Arrangements for stretching the chain saw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
- B28D1/082—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws consisting of chain saws
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
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- Sawing (AREA)
Abstract
The invention discloses an integrated chain saw cutting system convenient for saw chain installation, which comprises a driving wheel, a chain plate, a sliding block and a fixed block, wherein the driving wheel is rotatably connected with the sliding block, the sliding block is in sliding connection with the fixed block, the fixed block is fixedly connected with the chain plate, an elastic element is arranged between the sliding block and the fixed block and is used for pushing the driving wheel and the chain plate to relatively slide so as to tension a saw chain. The invention can avoid the chain plate from tilting relative to the driving wheel along the direction vertical to the chain plate, reduces the operation difficulty of mounting the saw chain on the driving wheel and the chain plate, can automatically tension the saw chain after the saw chain is mounted, is convenient to operate, and simultaneously enables the driving wheel, the chain plate and the saw chain to be relatively fixed to form an integrated integral structure, thereby being convenient to be directly mounted on a chain saw shell together.
Description
Technical Field
The invention belongs to the field of electric tools, and particularly relates to an integrated chain saw cutting system convenient for saw chain installation and a chain saw.
Background
A chain saw is a commonly used electric tool that drives a cutting portion with a driving wheel using a power source to perform a cutting operation on materials such as wood, stone, and the like. In the prior art, when the chain saw is used for the first time or needs to be replaced, a consumer needs to install the chain plate and the saw chain on the chain saw by himself, and the installation process is very difficult for the consumer. As shown in fig. 1 and 2, in the prior art, when the driving wheel 1 is installed on a power source in the casing 8, the saw chain 3 needs to be installed in the guide groove of the link plate 2, the saw chain 3 is correctly engaged with the guide wheel 4 on the link plate 2, then the end of one end of the link plate 2 with the saw chain 3 is placed in the casing 8, then the saw chain 3 is sleeved on the driving wheel 1, and it needs to be ensured that the saw chain 3 is correctly engaged with the driving wheel 1, then the link plate 2 is moved to tension the saw chain 3, and then the link plate 2 is fixed on the casing 8, thereby completing the installation. In the installation process, because the chain plate 2 needs to be held by an operator, the chain plate 2 is easy to tilt relative to the driving wheel 1 in a direction perpendicular to the direction of the chain plate 2, the tilting can affect the operation of correctly engaging the saw chain 3 on the driving wheel 1, and the saw chain 3 is easy to disengage from the chain plate 2, and the saw chain 3 is easy to engage with the guide wheel 4 or the driving wheel 1, so the installation process is very difficult. The consumer must finish the above operations correctly to ensure that the saw chain can normally run on the chain saw, otherwise the saw chain may fall off in the high-speed running process, sharp blades are fully distributed on the saw chain, and the fall off in the high-speed state can generate great safety risk for the consumer. Therefore, manufacturers on the market generally install the chain plates and the saw chains before leaving factories, and adopt a mode of complete machine shipment to avoid the installation of consumers, but the problems of two aspects exist: firstly, the volume of package and transportation is greatly increased by the mode; on the other hand, the consumer inevitably wears and damages the saw chain after using the chain saw for a certain period of time, and the above-mentioned problem of difficult installation is still encountered when the saw chain needs to be replaced.
Disclosure of Invention
The invention aims to provide an integrated chain saw cutting system and a chain saw, which are convenient for saw chain installation, and can effectively solve the problem that the operation of installing a saw chain on a chain plate and a driving wheel is very difficult in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the integrated chain saw cutting system convenient for saw chain installation comprises a driving wheel, a chain plate, a sliding block and a fixing block, wherein the driving wheel is rotatably connected with the sliding block, the sliding block is slidably connected with the fixing block, the fixing block is fixedly connected with the chain plate, an elastic element is arranged between the sliding block and the fixing block, and the elastic element is used for pushing the driving wheel and the chain plate to relatively slide so as to tension a saw chain.
Compared with the prior art, the invention has the following beneficial effects:
1. the sliding block and the fixing block which slide relatively are arranged between the driving wheel and the chain plate, so that the chain plate can only move along the length direction of the chain plate relative to the driving wheel and can not tilt along the direction vertical to the chain plate relative to the driving wheel, therefore, after the saw chain is arranged in the guide groove of the chain plate, the saw chain can not fall off due to the tilting of the chain plate, the saw chain and the guide wheel which are correctly meshed can not fail due to the tilting of the chain plate, the operation of correctly meshing the saw chain onto the driving wheel can be more easily carried out, and the saw chain can not fail due to the tilting of the chain plate after being correctly meshed;
2. an elastic part is arranged between the sliding block and the fixed block, and after the saw chain is installed, the saw chain is automatically tensioned by the aid of elasticity of the elastic part, so that tensioning operation is more convenient;
3. after the chain saw is tensioned, the chain plate, the fixed block, the sliding block and the driving wheel are in a relatively fixed state due to the action of the elastic piece to form an integrated structure, so that the chain saw is convenient to hold by an operator, and the integrated structure is integrally installed on a power source in the machine shell;
4. before the product leaves the factory, can be directly assembled this integration chain saw cutting system by the mill, this integration chain saw cutting system stacks with the chain saw casing like this, can effectively reduce whole packing length, is favorable to the transportation, and the installation only need with integration chain saw cutting system monolithic mounting to the casing after the consumer receives the goods before the first use can.
In addition, the elastic piece provided by the invention can also achieve the following beneficial effects during the use process of the chain saw: when the chain saw is used for cutting objects to be cut with different hardness, the saw chain is subjected to different impact forces, and the elastic force of the elastic piece can be used for buffering, so that the abrasion of the saw chain is reduced, and the cutting efficiency is improved; when the tension degree of the saw chain needs to be adjusted again due to the reasons of abrasion and the like in a certain period of use, the driving wheel is installed on the output shaft of the power source, the sliding block is fixed relative to the shell, and at the moment, the elastic part can push the fixing block to drive the chain plate to move forwards to tension the saw chain again, so that the effect of facilitating tensioning and adjusting is achieved.
Preferably, a limiting part is further arranged between the sliding block and the fixing block, and the limiting part is used for overcoming the elasticity of the elastic part to enable the driving wheel and the chain plate to be relatively fixed when the saw chain is installed. When the saw chain is installed, the elastic force of the elastic part is overcome firstly to enable the sliding block to be close to the fixing block, so that the driving wheel is driven to be close to the chain plate, the installation of the saw chain is convenient to sleeve, the limiting part is utilized to keep the driving wheel and the chain plate relatively fixed, and operation of an operator is convenient.
Preferably, the limiting part is a buckle, the buckle comprises an elastic clamping part and a limiting bulge, the elastic clamping part is arranged on the sliding block, and the limiting bulge is arranged on the fixed block.
Preferably, the elasticity fastener includes elasticity section and the joint section of locating elasticity section front end, set up the first through-hole that supplies the elasticity fastener to pass on the fixed block, when the elasticity section is located first through-hole, the inner wall of first through-hole has the extrusion to the elasticity section.
Preferably, the limiting piece is a fixing pin, and the fixing block and the sliding block are both provided with pin holes for the fixing pin to pass through; or the limiting part is a bolt, and threaded holes matched with the bolt are formed in the fixing block and the sliding block. When the sliding block slides to the two pin holes relative to the fixed block to align, the fixing pin is inserted into the two pin holes to realize the relative fixation of the sliding block and the fixed block, and the limiting pieces are bolts and the principle is the same. And the limiting piece can be placed in the pin hole or the threaded hole at ordinary times without special carrying.
Preferably, the fixed block is provided with an abutting part for clamping the tool. When the saw chain is installed, the elastic force of the elastic piece is overcome firstly to enable the sliding block to be close to the fixing block, so that the driving wheel is driven to be close to the chain plate, the installation saw chain is convenient to sleeve, the tool can be clamped on the abutting portion at the moment, the driving wheel and the chain plate are kept relatively fixed, and the operation of installing the saw chain is convenient to sleeve by an operator.
Preferably, the sliding block is provided with a limiting column, the fixing block is provided with a limiting groove, one end of the elastic part is sleeved on the limiting column, and the other end of the elastic part abuts against the bottom surface of the limiting groove. The limiting columns and the limiting grooves are arranged, so that the elastic piece can be effectively prevented from being bent along the radial direction, and meanwhile, the elastic piece is prevented from being separated from the sliding block and the fixing block.
Preferably, the fixed block is provided with a second through hole or a sliding chute, and the sliding block is connected to the fixed block in a sliding manner through the second through hole or the sliding chute; or be equipped with first guiding hole on the fixed block, be equipped with the second guiding hole on the slider, be equipped with first connecting rod and the second connecting rod of mutual articulated between fixed block and the slider, the one end sliding connection of first connecting rod is in first guiding hole, the other end of first connecting rod rotates with the slider and articulates, the one end sliding connection of second connecting rod is in the second guiding hole, the other end of second connecting rod rotates with the fixed block and articulates.
In order to solve the technical problems, the invention also adopts the following technical scheme: the chain saw comprises a power source and further comprises an integrated chain saw cutting system which is convenient for saw chain installation and adopts any technical scheme, and a torque transmission structure is arranged on the driving wheel and is used for being connected with an output shaft of the power source. The torque transmission structure is sleeved on the output shaft, so that the installation can be realized, and the operation is simple and convenient.
Preferably, the chain saw further comprises a shell and a cover cap connected to the shell, a fastening bolt is arranged on the shell, a pressing piece is arranged on the cover cap, a threaded hole matched with the fastening bolt is formed in the pressing piece, a long hole is formed in the chain plate along the length direction of the chain plate, and the fastening bolt penetrates through the long hole and is in threaded fastening connection with the pressing piece. When the tension degree of the saw chain needs to be adjusted again due to the reasons of abrasion and the like in a certain period of use, the pressing piece can be loosened, the driving wheel is installed on the output shaft of the power source, the sliding block is fixed relative to the shell, the elastic piece can push the fixing block to drive the chain plate to move forwards to tension the saw chain again at the moment, the effect of facilitating tensioning adjustment is achieved, and the arranged long hole can avoid the fastening bolt when the chain plate moves forwards.
Drawings
FIG. 1 is a schematic view of a prior art assembly of a saw chain and link plate;
FIG. 2 is a prior art schematic view of a saw chain and link plates assembled and then mounted to a chain saw;
FIG. 3 is an exploded view of an integrated chainsaw cutting system providing for easy installation of a saw chain according to one embodiment;
fig. 4 is a schematic structural view illustrating a sliding connection between a slider and a fixed block by a sliding sleeve translation structure in the first embodiment of the present invention;
fig. 5 is a schematic structural view illustrating a sliding connection between a slider and a fixed block by a planar link structure in the first embodiment of the present invention;
fig. 6 is an exploded view of an integrated chainsaw cutting system for facilitating saw chain installation as provided by the second embodiment;
FIG. 7 is a sectional view showing the connection between the slider and the fixing block in the second embodiment;
FIG. 8 is a sectional view showing the connection between the slider and the fixing block in the third embodiment;
FIG. 9 is a schematic cross-sectional view of a torque transfer arrangement in a fourth embodiment.
Wherein: 1. the driving wheel, 10, a torque transmission structure, 2, a chain plate, 20, a guide groove, 21, a guide wheel, 22, a long hole, 3, a saw chain, 4, a fixed block, 40, a limiting groove, 41, a first through hole, 42, a first pin hole, 43, a second through hole, 44, a first guide hole, 45, a first connecting rod, 5, a sliding block, 50, a limiting column, 51, a guide rod, 52, a second pin hole, 53, a second guide hole, 54, a second connecting rod, 6, an elastic part, 7, a limiting part, 70, a buckle, 700, an elastic clamping part, 701, an elastic section, 702, a clamping section, 703, a limiting protrusion, 71, a fixed pin and 8, a machine shell.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 3, the integrated chain saw cutting system for facilitating saw chain installation provided by the present embodiment comprises a driving wheel 1, a link plate 2, a fixing block 4 and a slide block 5, wherein the driving wheel 1 is rotatably connected with the slide block 5, the slide block 5 is slidably connected with the fixing block 4, and the fixing block 4 is fixedly connected with the link plate 2, the cutting system provided by the present embodiment is provided with the slide block 5 and the fixing block 4 which slide relatively between the driving wheel 1 and the link plate 2, so that the link plate 2 can only move along the length direction of the link plate 2 relative to the driving wheel 1, and cannot tilt along the direction perpendicular to the link plate 2 relative to the driving wheel 1, therefore, after the saw chain 3 is installed in a guide groove 20 of the link plate 2, the saw chain 3 cannot fall off due to tilting of the link plate 2, the correctly engaged saw chain 3 and guide wheel 21 cannot fail due to tilting of the link plate 2, and the operation of correctly engaging the saw chain 3 onto the driving wheel 1 is easier to perform, and does not fail due to the tilting of the link plate 2 after the correct engagement. In this embodiment, an elastic member 6 is further disposed between the sliding block 5 and the fixing block 4, in this embodiment, the elastic member 6 is a spring, it can be understood that the elastic member 6 can also be a spring plate, the elastic member 6 is used for driving the sliding block 5 and the fixing block 4 to relatively slide, and further drives the driving wheel 1 and the chain plate 2 to relatively slide so as to tension the saw chain 3, so that after the saw chain 3 is installed, the saw chain 3 is automatically tensioned by using the elastic force of the elastic member 6, and the tensioning operation is more convenient. After the chain saw is tensioned, the chain plate 2, the fixed block 4, the slide block 5 and the driving wheel 1 are in a relatively fixed state due to the action of the elastic piece 6 to form an integrated structure, so that an operator can conveniently hold the integrated structure, and the integrated structure is integrally installed on an output shaft of a power source inside the chain saw.
After above-mentioned design, before the product leaves the factory, can be directly assembled this integration chain saw cutting system by the mill, this integration chain saw cutting system stacks with the chain saw casing like this, can effectively reduce whole packing length, is favorable to the transportation, and the installation only need with integration chain saw cutting system integral erection to the chain saw on the first use after the consumer receives the goods can. Of course, when the saw chain 3 needs to be replaced after the chain saw is used for a long time, the operation of replacing the saw chain 3 by the consumer in the above way is very convenient. It should be noted here that, when the saw chain 3 is mounted on the driving wheel 1 and the link plate 2, the sliding block 5 needs to be close to the fixing block 4 against the elastic force of the elastic member 6, so as to reduce the distance between the driving wheel 1 and the link plate 2, so that the occupied space length of the driving wheel 1 and the link plate 2 is relatively small, and the sleeved mounting operation of the saw chain 3 is facilitated. At this time, the sliding block 5 is close to the fixed block 4 to cause the elastic piece 6 to be in a compressed state, so that the compressed state needs to be kept so as to facilitate sleeving and installing operation of the saw chain 3, a double-person matching mode can be adopted in the process, one operator fixes the sliding block 5 and the fixed block 4 relatively, and the other operator installs the saw chain 3. Of course, in order to facilitate the single-man operation, the fixed block 4 is further provided with an abutting portion in the embodiment, and the abutting portion is used for being matched with an external tool, so that the external tool is abutted to the abutting portion after the sliding block 5 and the fixed block 4 are close to each other, the sliding block 5 and the fixed block 4 are relatively fixed by the external tool, and the single-man operation is facilitated. The structure of the abutting part can adopt common bulges, and only need to provide an acting point for an external tool.
The spring is arranged between the sliding block 5 and the fixing block 4 in the embodiment, specifically, the sliding block 5 is provided with a limiting column 50, the fixing block 4 is provided with a limiting groove 40, one end of the elastic element 6 is sleeved on the limiting column 50, and the other end of the elastic element 6 is abutted against the bottom surface of the limiting groove 40. The arrangement of the position-limiting columns 50 and the position-limiting grooves 40 can effectively prevent the elastic element 6 from bending along the radial direction, and simultaneously prevent the elastic element 6 from being separated from the sliding block 5 and the fixed block 4. It should be noted that, in this embodiment, when the saw chain 3 is installed in a sleeving manner, the elastic element 6 is in a compressed state, and the elastic force of the elastic element 6 in the compressed state is utilized to push the sliding block 5 to slide relative to the fixed block 4, so as to drive the driving wheel 1 to slide relative to the chain plate 2, thereby achieving the purpose of tensioning the saw chain 3, and the elastic element 6 may also be set as: the elastic element 6 is in a stretched state when the saw chain 3 is mounted.
As shown in fig. 4, in the present embodiment, the fixed block 4 and the sliding block 5 are slidably connected by: the fixed block 4 is provided with a second through hole 43, which may be understood as a sliding groove, and the sliding block 5 passes through the second through hole 43 and is slidably connected to the fixed block 4. Of course, the sliding connection between the fixed block 4 and the slider 5 may also be implemented by using the manner shown in fig. 5, a first guide hole 44 is provided on the fixed block 4, a second guide hole 53 is provided on the slider 5, a first connecting rod 45 and a second connecting rod 54 which are hinged to each other are provided between the fixed block 4 and the slider 5, one end of the first connecting rod 45 is slidably connected in the first guide hole 44, the other end of the first connecting rod 45 is rotatably hinged to the slider 5, one end of the second connecting rod 54 is slidably connected in the second guide hole 53, and the other end of the second connecting rod 54 is rotatably hinged to the fixed block 4. That is, a planar link mechanism is constructed by the first link 45, the second link 54, the first guide hole 44 and the second guide hole 53, and when the first link 45 and the second link 54 slide in the first guide hole 44 and the second guide hole 53, respectively, the slider 5 and the fixed block 4 slide relatively.
In addition, the elastic member 6 provided in the present embodiment can also achieve the following advantageous effects during use of the chain saw: when the chain saw is used for cutting objects with different hardness, the saw chain 3 is subjected to different impact forces, and the elasticity of the elastic piece 6 can be utilized for buffering, so that the abrasion of the saw chain 3 is reduced, and the cutting efficiency is improved; when the tension degree of the saw chain 3 needs to be adjusted again due to the reasons of abrasion and the like after the use for a period of time, the driving wheel 1 is installed on an output shaft of a power source, the sliding block 5 is fixed relative to the shell 8, and at the moment, the elastic part 6 can push the fixing block 4 to drive the chain plate 2 to move forwards to tension the saw chain 3 again, so that the effect of facilitating tensioning adjustment is achieved.
Example two: as shown in fig. 6 and 7, the present embodiment also provides an integrated chainsaw cutting system for facilitating the installation of a saw chain, and is different from the above embodiments in that a limiting member 7 is further disposed between the slide block 5 and the fixed block 4, and when the saw chain 3 is installed, the limiting member 7 can overcome the elastic force of the elastic member 6 to keep the slide block 5 and the fixed block 4 relatively fixed, so that the driving wheel 1 and the link plate 2 are relatively fixed.
Based on the above-mentioned difference technical characteristics, this cutting system that this embodiment provided is when carrying out the operation of installing saw chain 3 to drive wheel 1 and link joint 2, owing to need saw chain 3 to have abundant length allowance so that the cover establishes the installation operation, can slide slider 5 this moment and make the interval between slider 5 and the fixed block 4 reduce, also reduce the interval between the sprocket on drive wheel 1 and the link joint 2, make this interval reduce to saw chain 3 length and enough make things convenient for the cover to establish the installation when, use locating part 7 to keep slider 5 and fixed block 4 relatively fixed, can single both hands carry out the operation that the installation was established to saw chain 3 cover like this, further convenience of customers installs saw chain 3.
Specifically, the limiting member 7 in this embodiment is a buckle 70, the buckle 70 includes an elastic clip 700 and a limiting protrusion 703, the elastic clamping piece 700 is arranged on the sliding block 5, the limit bulge 703 is arranged on the fixed block 4, the slide block 5 is provided with a guide rod 51, the fixing block 4 is provided with a first through hole 41 for the guide rod 51 and the elastic clamping piece 700 to pass through, in this embodiment, the elastic clamping piece 700 further comprises an elastic section 701 arranged at the front end of the guide rod 51 and a clamping section 702 arranged at the front end of the elastic section 701, when the elastic section 701 is positioned in the first through hole 41, due to the action of the inner wall of the first through hole 41, the elastic section 701 is in a compressed state, when the sliding block 5 slides towards the fixed block 4, the distance between the sliding block 5 and the fixed block 4 is reduced, and the elastic section 701 extends out of the first through hole 41, the elastic section 701 restores to the original shape under the action of the elastic force of the elastic section 701, and the elastic section 701 drives the clamping section 702 to be clamped on the limiting protrusion 703. Therefore, after the sliding block 5 slides in place relative to the fixed block 4, the elastic clamping piece 700 is clamped with the limiting protrusion 703 under the action of the self elastic force to realize the relative fixation of the sliding block 5 and the fixed block 4, and it should be noted that the fact that the sliding block 5 slides in place relative to the fixed block 4 means that the distance between the driving wheel 1 and the guide wheel 21 on the chain plate 2 is enough to facilitate the installation of the saw chain 3. After the saw chain 3 is installed, the clamping section 702 is pulled by hand to overcome the elasticity of the elastic section 701, so that the clamping section 702 is separated from the limiting protrusion 703, and at the moment, the sliding block 5 slides away relative to the fixing block 4 under the action of the elastic part 6, and the saw chain 3 is driven to be tensioned through the driving wheel 1.
It should be noted that, in the first embodiment, the abutting portion may be provided on the fixed block 4, and the stopper 7 may be provided in this embodiment, because the abutting portion is provided to facilitate the streamlined work using the tool when the fixture is assembled in a factory before factory shipment, thereby improving the working efficiency. And when the consumer is changing the installation saw chain by oneself, because suitable outside frock instrument is not necessarily prepared for, the operation of installing saw chain 3 is more conveniently carried out through the structure of locating part 7 that sets up in this embodiment. It is understood that the first embodiment in which the abutting portion is provided on the fixing block 4 and the second embodiment in which the limiting member 7 is provided may be separately adopted, and each of them can achieve the relative fixing of the driving wheel 1 and the link plate 2 when the saw chain 3 is installed.
Example three: as shown in fig. 8, the difference between the present embodiment and the second embodiment is that the structure of the limiting element 7 is different, the limiting element 7 in the present embodiment is a fixing pin 71, corresponding pin holes for the fixing pin 71 to pass through are formed in both the fixing block 4 and the slider 5, the pin hole formed in the fixing block 4 is a first pin hole 42, the pin hole formed in the slider 5 is a second pin hole 52, when the sliding block slides to the first pin hole 42 and the second pin hole 52 and are aligned, the fixing pin 71 is inserted into the two pin holes to lock and limit the slider 5 and the fixing block 4, and the limiting element 7 can be placed in the pin hole at ordinary times without special carrying, thereby achieving the same function as the buckle 70 in the second embodiment. It can be understood that bolts may be used to replace the fixing pins 71, and correspondingly, threaded holes adapted to the bolts are formed in both the fixing block 4 and the slider 5.
Example four: the present embodiment provides a chain saw comprising a housing 8 and a power source mounted in the housing 8, and further comprising an integrated chain saw cutting system for facilitating the mounting of a saw chain as set forth in any of the above embodiments, wherein a torque transmitting structure 10 is provided on the driving wheel 1 for connection with an output shaft of the power source. The torque transmission structure 10 is sleeved on the output shaft, so that the installation can be realized, and the operation is simple and convenient. As shown in fig. 9, the cross section of the torque transmission structure 10 in the present embodiment is spline-shaped, but other cross sections such as regular polygon, D-shaped, double flat-shaped, etc. may be adopted.
The casing 8 of this chain saw that this embodiment provided includes the casing and connects the shroud on the casing, is equipped with fastening bolt on the casing, is equipped with on the shroud and compresses tightly the piece, compresses tightly and is equipped with the screw hole with fastening bolt looks adaptation, combines to show in fig. 3 or fig. 6, has seted up rectangular hole 22 along link joint 2 length direction on link joint 2, and fastening bolt wears to establish rectangular hole 22 of overlength and with compressing tightly a screw thread fastening connection. Therefore, when the tension degree of the saw chain 3 needs to be adjusted again due to the reasons of abrasion and the like in a certain period of use, the pressing part can be loosened, the driving wheel 1 is installed on an output shaft of a power source, the sliding block 5 is fixed relative to the machine shell 8, the elastic part 6 can push the fixing block 4 to drive the chain plate 2 to move forwards to tension the saw chain 3 again, the tensioning adjustment is facilitated, the arranged long hole 22 can avoid the fastening bolt when the chain plate 2 moves forwards, and of course, a long hole for the fastening bolt to pass through needs to be correspondingly formed in the fixing block 4.
The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (10)
1. Integration chain saw cutting system convenient to saw chain installation, including drive wheel (1) and link joint (2), its characterized in that: still include slider (5) and fixed block (4), drive wheel (1) rotates with slider (5) and is connected, slider (5) and fixed block (4) sliding connection, fixed block (4) and link joint (2) fixed connection, be equipped with elastic component (6) between slider (5) and fixed block (4), elastic component (6) are used for promoting drive wheel (1) and link joint (2) relative slip with tensioning saw chain (3).
2. The integrated chainsaw cutting system for facilitating saw chain installation as recited in claim 1 wherein: and a limiting part (7) is further arranged between the sliding block (5) and the fixing block (4), and the limiting part (7) is used for overcoming the elasticity of the elastic part (6) to enable the driving wheel (1) and the chain plate (2) to be relatively fixed when the saw chain (3) is installed.
3. The integrated chainsaw cutting system for facilitating saw chain installation as recited in claim 2 wherein: the limiting piece (7) is a buckle (70), the buckle (70) comprises an elastic clamping piece (700) and a limiting protrusion (703), the elastic clamping piece (700) is arranged on the sliding block (5), and the limiting protrusion (703) is arranged on the fixed block (4).
4. An integrated chainsaw cutting system to facilitate saw chain installation as recited in claim 3 wherein: elasticity fastener (700) include elasticity section (701) and joint section (702) of locating elasticity section (701) front end, set up first through-hole (41) that supply elasticity fastener (700) to pass on fixed block (4), when elasticity section (701) are located first through-hole (41), the inner wall of first through-hole (41) has the extrusion to elasticity section (701).
5. The integrated chainsaw cutting system for facilitating saw chain installation as recited in claim 2 wherein: the limiting piece (7) is a fixing pin (71), and pin holes for the fixing pin (71) to pass through are formed in the fixing block (4) and the sliding block (5);
or the limiting part (7) is a bolt, and threaded holes matched with the bolt are formed in the fixing block (4) and the sliding block (5).
6. The integrated chainsaw cutting system for facilitating saw chain installation as recited in claim 1 wherein: and the fixed block (4) is provided with an abutting part for clamping the tool.
7. The integrated chainsaw cutting system for facilitating saw chain installation as recited in claim 1 wherein: be equipped with spacing post (50) on slider (5), spacing groove (40) have been seted up on fixed block (4), elastic component (6) are the spring, the pot head of elastic component (6) is established on spacing post (50), the other end butt of elastic component (6) is on the bottom surface of spacing groove (40).
8. The integrated chainsaw cutting system for facilitating saw chain installation as recited in claim 1 wherein: the fixed block (4) is provided with a second through hole (43) or a sliding chute, and the sliding block (5) is connected to the fixed block (4) in a sliding mode through the second through hole (43) or the sliding chute;
or be equipped with first guiding hole (44) on fixed block (4), be equipped with second guiding hole (53) on slider (5), be equipped with first connecting rod (45) and second connecting rod (54) of mutual articulated between fixed block (4) and slider (5), the one end sliding connection of first connecting rod (45) is in first guiding hole (44), the other end and slider (5) of first connecting rod (45) rotate articulatedly, the one end sliding connection of second connecting rod (54) is in second guiding hole (53), the other end and fixed block (4) of second connecting rod (54) rotate articulatedly.
9. Chain saw, including the power supply, its characterized in that: further comprising an integrated chainsaw cutting system for facilitating saw chain installation as claimed in any one of claims 1 to 8, said drive wheel (1) being provided with a torque transmitting structure (10) for connection to an output shaft of a power source.
10. The chain saw as recited in claim 9, wherein: the chain saw further comprises a machine shell, the machine shell comprises a shell body and a cover cap connected to the shell body, a fastening bolt is arranged on the shell body, a pressing piece is arranged on the cover cap, a threaded hole matched with the fastening bolt is formed in the pressing piece, a long hole (22) is formed in the chain plate (2) in the length direction of the chain plate (2), and the fastening bolt penetrates through the long hole (22) and is in threaded fastening connection with the pressing piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110521204.XA CN113211553B (en) | 2021-05-13 | 2021-05-13 | Integrated chain saw cutting system convenient for saw chain installation and chain saw |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110521204.XA CN113211553B (en) | 2021-05-13 | 2021-05-13 | Integrated chain saw cutting system convenient for saw chain installation and chain saw |
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| CN113211553A true CN113211553A (en) | 2021-08-06 |
| CN113211553B CN113211553B (en) | 2023-10-27 |
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| CN113973605A (en) * | 2021-10-26 | 2022-01-28 | 国网辽宁省电力有限公司辽阳供电公司 | Pruning device for super-high branches below power transmission line |
| CN114789514A (en) * | 2022-05-19 | 2022-07-26 | 浙江荣达工具有限公司 | Integrated saw chain cutting system of modular saw blade unit and mounting method |
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|---|---|
| CN113211553B (en) | 2023-10-27 |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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