CN112314218A

CN112314218A - Gardens are with portable's electric chain saw

Info

Publication number: CN112314218A
Application number: CN202010274159.8A
Authority: CN
Inventors: 方圆; 张涛
Original assignee: Taizhou Hawking Garden Machinery Co ltd
Current assignee: Taizhou Hawking Garden Machinery Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-02-05
Anticipated expiration: 2040-04-09
Also published as: CN112314218B

Abstract

The invention provides a portable electric chain saw for gardens, which belongs to the field of industrial electric saws and comprises a cabinet body, wherein a power output mechanism is fixedly arranged on the front surface of the cabinet body, a cutting mechanism is fixedly arranged at the output end of the power output mechanism, folding mechanisms are fixedly arranged on two side sides of the cabinet body, a strip-shaped sliding guide rail is fixedly arranged on each of two side walls of the cabinet body, a sliding block is arranged in a groove of each sliding guide rail in a sliding connection mode, an article placing groove is formed in the front surface of the cabinet body, and a supporting plate is arranged on the front bottom surface of the article placing groove in a sliding and penetrating mode. The electric saw is clamped and fixed by combining the electric supporting clamping jaws.

Description

Gardens are with portable's electric chain saw

Technical Field

The invention belongs to the technical field of industrial electric saws, and particularly relates to a portable electric chain saw for gardens.

Background

An electric chain saw is a woodworking electric tool that saws with a revolving chain saw blade.

1) The existing electric chain saw is large in size, so that a user is inconvenient to carry the electric chain saw in the garden trimming process, and a chain saw part of the electric chain saw is a main cutting part, so that a user cannot carry the whole electric chain saw on the back under the influence of the length of the electric chain saw, and the sharp cutting part easily cuts clothes or skin of the user, so that the carrying safety of the user in the carrying process is influenced;

2) and current electric chain saw is not convenient for carry out gardens lumbering pruning work in the middle of daily use, can't improve the efficiency in the working process, can't carry out the branch mode according to the in-service use needs and carry, can't carry out comparatively convenient pruning work to the afforestation facility of garden road both sides in cutting process.

Disclosure of Invention

The invention aims to provide a portable electric chain saw for gardens, and aims to solve the problems that the conventional electric chain saw is large in size, a user is inconvenient to carry the electric chain saw in the garden trimming process, and the chain saw part of the electric chain saw is a main cutting part and cannot carry the whole electric chain saw on the back due to the influence of the length of the main cutting part.

In order to achieve the purpose, the invention provides the following technical scheme: the multifunctional cabinet comprises a cabinet body, the positive fixed surface of the cabinet body installs power take off mechanism, power take off mechanism's output fixed mounting has cutting mechanism, the both sides side fixed mounting of the cabinet body has folding mechanism.

In order to enable the sliding support plate to be used as a preferred choice of the invention, two strip-shaped sliding guide rails are fixedly installed on two sides of the side wall of the cabinet body, sliding blocks are arranged in grooves of the two sliding guide rails in a sliding connection mode, an object placing groove is formed in the front surface of the cabinet body, a support plate is arranged on the front bottom surface of the object placing groove in a sliding insertion mode, a sliding support plate is fixedly installed on the back surface of the support plate, and two ends of the sliding support plate which is transversely arranged are respectively connected with sliding blocks arranged on the inner wall of the cabinet body in a sliding support mode;

the utility model discloses a supporting support plate, including supporting support plate, top fixed surface, angle driving motor's top fixed surface installs the electronic jack catch that supports, the top middle part fixed mounting of supporting support plate has motor support base, the top middle part fixed mounting of motor support base has electronic support jack catch, the centre inner wall of article standing groove still fixed mounting has electric telescopic handle, electric telescopic handle's output and the back middle part fixed connection of supporting support plate.

In order to enable the power output mechanism to be arranged on the top surface of the electric support jaw in a fixed grabbing and supporting mode, the power output mechanism comprises a shell which is fixedly supported on the surface of the electric support jaw, a rotating motor is fixedly installed inside the shell, the output end of the rotating motor is connected with a driving belt pulley in a transmission mode, the surface of the driving belt pulley is sleeved with a belt, one end of the belt is connected with a driving gear roller in a transmission mode, a storage battery and a relay are arranged inside the shell, one end of the rotating motor is electrically connected with the relay, and the relay is electrically connected with the storage battery;

the utility model discloses a motor, including casing, transmission end, saw bit jack, rubber baffle, support handle, rotation motor switch, rotation motor and relay electric connection, the end fixed mounting of casing has the transmission end, the fixed surface at transmission end has seted up the saw bit jack, the vertical interlude in top of casing is equipped with the rubber baffle of rubber material, the back fixed mounting of rubber baffle has the support handle, the inner wall fixed surface who supports the handle installs rotation motor switch, rotation motor and relay electric connection.

In order to enable the cutting saw blade to be connected with the inside of the transmission end head in a transmission mode through gears in meshed connection, the cutting saw blade is strip-shaped, rotating grooves are formed in two side sides of the cutting saw blade, a sawtooth chain is hinged inside the rotating grooves, driving chain wheels are rotatably connected to two end heads of the sawtooth chain, two end heads of the driving chain wheels are connected with bearings in an embedded mode on the inner wall of the cutting saw blade in a transmission mode, folding hinges are installed in the middle of the driving chain wheels in a transmission mode, folding bases are fixedly installed at two end heads of the folding hinges, limiting handles are fixedly installed at the tops of the folding bases, the cutting saw blade is hinged to the folding hinges in the middle, and the end heads of the folding hinges are supported and fixed through the limiting handles;

one of them the top end department of drive sprocket is equipped with driven gear roller through the scarf joint bearing rotation connection, the lateral wall and the driving gear roller meshing drive of driven gear roller are connected.

In order to enable the saw blade placing box to be used as a preferred mode of the invention, a supporting slide rail is vertically installed on the surface of the side wall of the shell in a threaded manner, guide rods are slidably inserted into the surfaces of the supporting slide rails, the surface of the side wall of each guide rod is fixedly connected with the saw blade placing box, a saw blade placing groove is formed in the front surface of the saw blade placing box, and a box door is hinged to the bottom of the saw blade placing groove;

two sides of the side wall of the shell are respectively and fixedly provided with a backpack strip.

In order to enable the folding mechanism to be fixedly installed at two corners of the top of the supporting plate, the folding mechanism comprises folding rod bodies fixedly connected with the supporting plate in a supporting mode, rotating bearings are hinged to the middle portions of the two folding rod bodies respectively, the folding supporting plate is fixedly installed at the middle portion of the top end of each folding rod body in a supporting mode, traction guide rods are hinged to two side edges of the end of each folding supporting plate through hinges, and the bottom ends of the two traction guide rods are hinged and fixed to the inner walls of the two side edges of the front face of the cabinet body through bearings.

In order to enable the brake wheels to be fixedly installed at four corners of the bottom of the cabinet body, the storage battery box is fixedly installed on the surface of the top of the cabinet body, a storage battery is arranged in the storage battery box, a pull rod is inserted and arranged in the middle of the back face of the cabinet body, the switch panel is arranged on the surface of the storage battery box, an angle driving motor switch and an electric supporting jaw switch are respectively arranged on the surface of the switch panel, the angle driving motor is electrically connected with the angle driving motor switch, the electric supporting jaw is electrically connected with the electric supporting jaw switch, and the angle driving motor switch and the electric supporting jaw switch are both electrically connected with an external power supply.

Compared with the prior art, the invention has the beneficial effects that:

1) the supporting support plate can be conveniently retracted into the cabinet body through the cabinet body, the sliding guide rail and the sliding block, in the retracting process of the supporting support plate, the position of an angle driving motor can be flexibly adjusted under the lifting of an electric telescopic rod, the electric saw can be conveniently and quickly placed into the cabinet body, the electric saw is clamped and fixed by combining an electric supporting jaw, the supporting and placing purpose of the electric saw is achieved under the supporting action of the electric supporting jaw, the tree bunch on the garden roadside can be uniformly pruned by means of the cabinet body and a brake wheel while the electric saw is supported and carried, and the pruning efficiency is improved;

2) the displacement length of the supporting plate is convenient to limit for fixing through the arranged folding supporting plate, the rotating bearing and the folding rod body, the extending length is prevented from being overlong, the rotating direction of the electric supporting jaw is convenient to adjust through the arranged angle driving motor, and the trimming direction of the electric saw is finally adjusted;

3) through the spacing handle that is equipped with, the driving chain, it realizes rotating to embed two driving sprocket inside the cutting saw bit in the middle of driving sprocket pivoted process, the zigzag chain that cup joints with driving sprocket surface meshing again realizes driving at the pivoted in-process, so that carry out gardens pruning work, in order to solve after finishing pruning, carry out the problem that the folding was carried with this cutting saw bit, consequently, the rotatable spacing handle of user adjusts the rotation position of spacing handle, the folding hinge position that sets up in bottom realizes changing after rotating spacing handle, and the folding base that is connected with it is in the same place a cutting saw bit is articulated folding, utilize under the pressing effect of folding hinge, adjust the position of zigzag chain, avoid taking place the change on its position.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of the cutting mechanism of the present invention;

FIG. 5 is a schematic view of the back side of the cutting mechanism of the present invention;

fig. 6 is a schematic view showing an internal structure of the cutting blade according to the present invention.

In the figure: 1. a cabinet body; 101. a sliding guide rail; 102. a slider; 103. an article placing groove; 104. a support pallet; 105. a sliding support plate; 106. a motor support base; 107. an angle drive motor; 108. an electric support jaw; 109. a brake wheel; 110. a battery case; 111. a pull rod; 2. a power take-off mechanism; 201. a housing; 202. a transmission end head; 203. a rubber baffle; 204. a support handle; 3. a cutting mechanism; 301. cutting the saw blade; 302. a sawtooth chain; 303. a drive sprocket; 304. a folding hinge; 305. folding the base; 306. a limiting handle; 307. a driven gear roll; 4. a saw blade placing box; 401. supporting the slide rail; 403. a box door; 5. a folding mechanism; 501. folding the rod body; 502. a rotating bearing; 503. folding the supporting plate; 504. and (4) drawing the guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, the present invention provides the following technical solutions: the multifunctional cabinet comprises a cabinet body 1, wherein a power output mechanism 2 is fixedly arranged on the front surface of the cabinet body 1, a cutting mechanism 3 is fixedly arranged at the output end of the power output mechanism 2, and folding mechanisms 5 are fixedly arranged on the two sides of the cabinet body 1.

In this embodiment, two strip-shaped sliding guide rails 101 are fixedly mounted on two side edges of the side wall of the cabinet body 1, sliding blocks 102 are slidably connected and arranged in grooves of the two sliding guide rails 101, an article placing groove 103 is formed in the front surface of the cabinet body 1, a supporting plate 104 is slidably inserted into the front bottom surface of the article placing groove 103, a sliding supporting plate 105 is fixedly mounted on the back surface of the supporting plate 104, and two ends of the sliding supporting plate 105 which is transversely arranged are respectively slidably connected with the sliding blocks 102 arranged on the inner wall of the cabinet body 1 in a supporting manner;

the top middle part of the supporting plate 104 is fixedly provided with a motor supporting base 106, the top surface of the motor supporting base 106 is fixedly provided with an angle driving motor 107, the top middle part of the angle driving motor 107 is fixedly provided with an electric supporting jaw 108, the inner wall of the middle part of the object placing groove 103 is also fixedly provided with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with the middle part of the back surface of the supporting plate 104.

Specifically, in the middle of daily use, in order to collect the electric saw conveniently, avoid the manual work to carry, the user of this moment can adopt slider 102 to combine sliding guide 101's removal mode to in with the support plate 104 retraction cabinet body 1, and support plate 104 is at the in-process of retraction, can carry out nimble adjustment to the position of angle driving motor 107 under usable electric telescopic handle's the lifting effect, borrow electronic support jack catch 108 so that snatch the electric saw again.

In this embodiment, a power output mechanism 2 is fixedly arranged on the top surface of the electric support jaw 108, the power output mechanism 2 includes a housing 201 fixedly supported on the surface of the electric support jaw 108, a rotating motor is fixedly arranged inside the housing 201, an output end of the rotating motor is in transmission connection with a driving belt pulley, a belt is sleeved on the surface of the driving belt pulley, one end of the belt is in transmission connection with a driving gear roller, a storage battery and a relay are arranged inside the housing 201, one end of the rotating motor is electrically connected with the relay, and the relay is electrically connected with the storage battery;

the end department fixed mounting of casing 201 has transmission end 202, and the fixed surface of transmission end 202 has seted up the saw bit jack, and the vertical rubber baffle 203 that alternates and be equipped with the rubber material in top of casing 201, the back fixed mounting of rubber baffle 203 has support handle 204, and the inner wall fixed surface of support handle 204 installs and rotates motor switch, rotates motor and relay electric connection.

It is specific, in using, the user can hand support handle 204, utilize and rotate the motor switch, carry out the circular telegram operation to rotating electrical machines, can combine the relay to carry out the increase voltage for rotating electrical machines this moment, the output of rotating electrical machines can be according to actual need and the adjustment speed like this, it drives driving pulley to rotate the motor output, realize rotating with driving pulley driven toothed bar, and after the toothed bar rotates, thereby can rotate the gear at the toothed bar of meshing and construct final circulation removal to its cutting mechanism 3 structure to being connected, the saw bit jack of seting up is convenient for insert the saw bit so that subsequent interlude installation.

In the embodiment, the interior of the transmission end 202 is connected with a cutting saw blade 301 through a gear transmission in a meshing connection manner, the body of the cutting saw blade 301 is strip-shaped, two sides of the cutting saw blade 301 are respectively provided with a rotating groove, a sawtooth chain 302 is hinged inside the rotating groove, two ends of the sawtooth chain 302 are respectively and rotatably connected with a driving chain wheel 303, two ends of the driving chain wheel 303 are respectively in transmission connection with bearings embedded in the inner wall of the cutting saw blade 301, the middle part of the driving chain wheel 303 is provided with a folding hinge 304 in a transmission manner, two ends of the folding hinge 304 are respectively and fixedly provided with a folding base 305, the top of the folding base 305 is fixedly provided with a limit handle 306, the cutting saw blade 301 is hinged with the folding hinge 304 in the middle part, and the end of the;

the top end of one of the driving chain wheels 303 is rotatably connected with a driven gear roller 307 through an embedding bearing, and the side wall of the driven gear roller 307 is in meshed driving connection with the driving gear roller.

Specifically, in the using process, a user can cut garden shrubs through the cutting saw blade 301, after the driving gear roller is driven by the rotating motor to rotate, the driven gear roller 307 engaged with the driving gear roller finally rotates, in the rotating process, the two driving chain wheels 303 built in the cutting saw blade 301 further rotate, in the rotating process, the toothed chain 302 engaged and sleeved on the surface of the driving chain wheel 303 is further rolled in a circular mode, the weed shrubs to be trimmed are close to the weed shrubs to finish the garden trimming, in order to solve the problem that the cutting saw blade 301 is folded and carried after trimming, therefore, the user can rotate the limiting handle 306, adjust the rotating direction of the limiting handle 306, after the limiting handle is rotated, the position of the folding hinge 304 arranged at the bottom of the limiting handle 306 is changed, and finally the folding base 305 connected with the limiting handle is folded, a cutting saw blade 301 is hinged and folded together, and the position of a saw tooth chain 302 is adjusted by the pressing action of a folding hinge 304, so that the position of the saw tooth chain is prevented from changing.

In this embodiment, a supporting slide rail 401 is vertically installed on the surface of the side wall of the housing 201 in a threaded manner, guide rods are slidably inserted into the surfaces of the supporting slide rails 401, a saw blade placing box 4 is fixedly connected to the surface of the side wall of each guide rod, a saw blade placing groove is formed in the front surface of the saw blade placing box 4, and a box door 403 is hinged to the bottom of the saw blade placing groove;

two sides of the side wall of the shell 201 are respectively fixedly provided with a backpack strip.

Specifically, in daily use, in order to conveniently carry the good cutting saw piece 301 of folding, user of service can open chamber door 403, and be convenient for place into the saw piece standing groove with cutting saw piece 301, close chamber door 403 again after that, realize the carrying to cutting saw piece 301, so as to improve the portability of this electric saw, also can avoid being sharp fish tail by sawtooth chain 302 at the in-process of carrying simultaneously, utilize back of the body area to be convenient for carry on one's body this electric saw, improve the portability of carrying the in-process, reduce the pressure of carrying.

In this embodiment, the folding mechanism 5 is fixedly mounted at two side corners of the top of the supporting plate 104, the folding mechanism 5 includes a folding rod 501 fixedly connected with the supporting plate 104, the middle portions of the two folding rod 501 are hinged with a rotating bearing 502, the top middle portion of the folding rod 501 is fixedly supported by a folding supporting plate 503, two side edges of the end of the folding supporting plate 503 are hinged with traction guide rods 504 through hinges, and the bottom ends of the two traction guide rods 504 are hinged and fixed with the inner walls of the two side edges of the front surface of the cabinet 1 through bearings.

Specifically, in the daily use process, in order to facilitate the supporting support plate 104 together with the angle driving mechanism to be stably conveyed into the object placing groove 103, a user can move the supporting support plate 104 into the object placing groove 103 along the sliding guide rails 101 on the two sides under the traction action of the electric telescopic rod by means of the electric telescopic rod, two folding rod bodies 501 in the folding mechanism 5 can be bent and changed in the moving process, the vertical supporting state is changed into a bent and folded state, when the supporting support plate 104 moves, the folding can be slowly realized, the arranged folding support plate 503 can descend until the upper half part of the folding rod body descends to the bottom of the object placing groove 103, and meanwhile, the good supporting effect is achieved in the angle change process of the traction guide rods 504 on the two sides.

In this embodiment, four edge fixed mounting in bottom of the cabinet body 1 have brake wheel 109, the top fixed surface of the cabinet body 1 installs battery box 110, battery box 110's inside embeds there is the battery, the back middle part of the cabinet body 1 alternates and is provided with pull rod 111, battery box 110's surface is provided with flush mounting plate of switch, flush mounting plate of switch's surface is equipped with angle driving motor switch and electronic support jack catch switch respectively, angle driving motor 107 and angle driving motor switch electric connection, electronic support jack catch 108 and electronic support jack catch switch electric connection, angle driving motor switch and electronic support jack catch switch all with external power supply electric connection.

In particular, the operation and control are convenient.

The working principle and the using process of the invention are as follows:

example 1: the user firstly carries the electric saw in two modes, wherein the first mode is as follows: the electric saw is placed in the object placing groove 103 by means of the cabinet body 1, and then the object is stored, firstly, a user opens the switch of the electric telescopic rod, then the telescopic end of the electric telescopic rod pushes the support supporting plate 104 arranged at the output end to move, and the support supporting plate is pushed out from the object placing groove 103 along the sliding guide rails 101 arranged at two sides, when the support supporting plate 104 moves, two traction guide rods 504 realize elastic traction and extension, the end heads of the two traction guide rods are extended, the height of the folding supporting plate 503 connected with the side wall is lifted upwards, meanwhile, two folding rod bodies 501 arranged at two sides of the bottom of the folding supporting plate 503 are supported by ninety degrees and are changed into one hundred eighty degrees slowly, and under the traction action of the rotating bearing 502, the contra-rotating conversion is realized into the support fixing of the support supporting plate 104, and then the user can place the electric saw to be carried on the surface of the electric support claw 108, the electric saw is grabbed and fixed under the traction limiting action of the electric supporting claws 108, at the moment, the pull rod 111 is lengthened under the traction action of the pull rod 111 and the brake wheel 109 so as to carry the electric saw, at the moment, a user can electrify and open a rotating motor switch, then the output end of a rotating motor in the electric saw drives a driving gear roller to rotate, after the driving gear roller rotates, a driven gear roller 307 which is in meshing driving connection with the driving gear roller is also driven to rotate, two driving chain wheels 303 which are arranged in the cutting saw blade 301 in the rotating process realize the rotation, a sawtooth chain 302 which is meshed and sleeved on the surfaces of the driving chain wheels 303 is driven in the rotating process so as to trim gardens, the user can hold the pull rod 111 to move the position of the cabinet body 1, and in the moving process so as to movably trim surrounding weeds and green belts, this situation applies to a pruning area with good road conditions;

the second situation is that when the road is bad and the electric saw needs to be folded and carried along far away, the user can take the electric saw off the surface of the electric supporting jaw 108, and then the cutting saw blade 301 is prevented from cutting the user in the carrying process, so that the user can pull out the driving connection part of one end of the cutting mechanism 3 from the transmission end 202, so that the user can detach the fixing screw arranged on the surface of the transmission end 202, pull out the cutting saw blade 301 from the slot, rotate the limiting handle 306 and unscrew the limiting handle 306, then the position of the folding hinge 304 arranged at the back of the limiting handle 306 is changed, the folding base 305 connected with the limiting handle is hinged and folded with one cutting saw blade 301, and under the pressing action of the folding hinge 304, finally, the box door 403 is opened to place the object into the saw blade placing box 4, then the cover is tightly covered to further achieve storage of the cut saw blades 301, and finally the user can safely carry the electric saw on the back by means of the backpack belt, so that portability in the carrying process is improved, and carrying pressure is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gardens are with portable's electric chain saw, its characterized in that, includes the cabinet body (1), the positive fixed surface of the cabinet body (1) is installed with power take off mechanism (2), the output fixed mounting of power take off mechanism (2) has cutting mechanism (3), the both sides side fixed mounting of the cabinet body (1) has folding mechanism (5).

2. A portable electric chain saw for gardens as defined in claim 1, wherein: a strip-shaped sliding guide rail (101) is fixedly mounted on two side edges of the side wall of the cabinet body (1), a sliding block (102) is arranged in a groove of each sliding guide rail (101) in a sliding connection mode, an object placing groove (103) is formed in the front surface of the cabinet body (1), a supporting plate (104) is arranged on the front bottom surface of the object placing groove (103) in a sliding insertion mode, a sliding supporting plate (105) is fixedly mounted on the back surface of the supporting plate (104), and two ends of the sliding supporting plate (105) which are transversely arranged are respectively in sliding supporting connection with the sliding block (102) arranged on the inner wall of the cabinet body (1);

the utility model discloses a supporting device, including support layer board (104), top fixed mounting of support layer board (104) has motor support base (106), the top fixed surface of motor support base (106) installs angle driving motor (107), the top middle part fixed mounting of angle driving motor (107) has electronic support jack catch (108), the centre inner wall of article standing groove (103) still fixed mounting has electric telescopic handle, electric telescopic handle's output and the back middle part fixed connection of support layer board (104).

3. A portable electric chain saw for gardens as defined in claim 2, wherein: the surface of the top of the electric support jaw (108) is fixedly grabbed and supported to be provided with a power output mechanism (2), the power output mechanism (2) comprises a shell (201) which is fixedly supported on the surface of the electric support jaw (108), a rotating motor is fixedly installed inside the shell (201), the output end of the rotating motor is in transmission connection with a driving belt pulley, the surface of the driving belt pulley is sleeved with a belt, one end of the belt is in transmission connection with a driving gear roller, a storage battery and a relay are arranged inside the shell (201), one end of the rotating motor is electrically connected with the relay, and the relay is electrically connected with the storage battery;

the utility model discloses a motor, including casing (201), the fixed surface of casing (201) is located fixed mounting and is had transmission end (202), the saw bit jack has been seted up to the fixed surface of transmission end (202), the vertical rubber baffle (203) that are equipped with the rubber material that alternate in top of casing (201), the back fixed mounting of rubber baffle (203) has support handle (204), the inner wall fixed surface who supports handle (204) installs and rotates motor switch, rotate motor and relay electric connection.

4. A portable electric chain saw for gardens as defined in claim 3, wherein: the interior of the transmission end head (202) is connected with a cutting saw blade (301) through a gear transmission in a meshing connection, the body of the cutting saw blade (301) is strip-shaped, the two sides of the cutting saw blade (301) are both provided with a rotating groove, a sawtooth chain (302) is hinged in the rotating groove, two ends of the sawtooth chain (302) are respectively and rotatably connected with a driving chain wheel (303), two ends of the driving chain wheel (303) are in transmission connection with the scarfing bearing on the inner wall of the cutting saw blade (301), the middle part of the driving chain wheel (303) is provided with a folding hinge (304) in a transmission way, folding bases (305) are fixedly arranged at the two ends of the folding hinge (304), the top of the folding base (305) is fixedly provided with a limit handle (306), the cutting saw blade (301) is hinged with a folding hinge (304) at the middle part, the end of the folding hinge (304) is supported and fixed through a limit handle (306);

one of the driving chain wheels (303) is rotatably connected with a driven gear roller (307) through an embedding bearing at the top end, and the side wall of the driven gear roller (307) is in meshed driving connection with the driving gear roller.

5. A portable electric chain saw for gardens as defined in claim 3, wherein: a supporting slide rail (401) is vertically installed on the surface of the side wall of the shell (201) in a threaded manner, guide rods are slidably inserted into the surface of each supporting slide rail (401), a saw blade placing box (4) is fixedly connected to the surface of the side wall of each guide rod, a saw blade placing groove is formed in the front surface of each saw blade placing box (4), and a box door (403) is hinged to the bottom of each saw blade placing groove;

two sides of the side wall of the shell (201) are respectively and fixedly provided with backpack strips.

6. A portable electric chain saw for gardens as defined in claim 2, wherein: the top both sides angle department fixed mounting of supporting pallet (104) has folding mechanism (5), folding mechanism (5) include with supporting pallet (104) support fixed connection's folding body of rod (501), two the middle part of the folding body of rod (501) articulates respectively has rolling bearing (502), folding layer board (503) are installed to the top middle part fixed support of the folding body of rod (501), the both sides side of the end of folding layer board (503) all articulates through the hinge has traction guide pole (504), two the bottom of traction guide pole (504) all is fixed through bearing and cabinet body (1) front both sides inner wall is articulated.

7. A portable electric chain saw for gardens as defined in claim 2, wherein: four edge fixed mounting in bottom of the cabinet body (1) have brake wheel (109), the top fixed surface of the cabinet body (1) installs battery box (110), the inside of battery box (110) embeds there is the battery, the back middle part of the cabinet body (1) alternates and is provided with pull rod (111), the surface of battery box (110) is provided with flush mounting plate of switch, flush mounting plate of switch's surface is equipped with angle driving motor switch and electronic support jack catch switch respectively, angle driving motor (107) and angle driving motor switch electric connection, electronic support jack catch (108) and electronic support jack catch switch electric connection, angle driving motor switch and electronic support jack catch switch all with external power supply electric connection.