CN110149945B

CN110149945B - A multi-functional pruning saw for gardens

Info

Publication number: CN110149945B
Application number: CN201910475992.6A
Authority: CN
Inventors: 廖检发
Original assignee: Lu Shoujia Shandong Industrial Design Co ltd
Current assignee: Lu Shoujia Shandong Industrial Design Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2021-02-23
Anticipated expiration: 2039-06-03
Also published as: CN110149945A

Abstract

The invention relates to a pruning saw for gardens, in particular to a multifunctional pruning saw for gardens. The technical problem is as follows: provides a multifunctional pruning saw for gardens, which can carry out sawing and pruning and is convenient to use. The technical implementation scheme of the invention is as follows: a multifunctional pruning saw for gardens comprises a large fixing plate, a handle, a large baffle, a large pin shaft, a large semicircular block, a holding rod, a large mounting plate, a first long screw rod, a first nut, a saw blade, a second long screw rod and the like; the bottom of big fixed plate is connected with the handle, and the preceding lateral wall of big fixed plate is opened there is big arc wall, and big arc wall is located the left side of handle, and the top of big fixed plate is connected with big baffle. The multifunctional pruning saw for the garden, provided by the invention, can be used for sawing and pruning without carrying two tools, namely a saw and a scissors, has multiple functions, is convenient to use, reduces the burden of workers, is beneficial to development and implementation of work, and is simple in structure and easy to produce and manufacture.

Description

A multi-functional pruning saw for gardens

Technical Field

The invention relates to a pruning saw for gardens, in particular to a multifunctional pruning saw for gardens.

Background

The garden is characterized in that engineering technology and artistic means are applied in a certain region, the garden is created by reforming terrain or further building mountains, stacking stones, managing water, planting trees, flowers and plants, building buildings, arranging garden roads and other ways to form a beautiful natural environment and a rest area, a saw and scissors are frequently used in the garden in the traditional Chinese building, and the existing workers need to carry two tools of the saw and the scissors to saw and trim the garden, so that the garden is troublesome, burdened and not beneficial to developing and carrying out work.

Disclosure of Invention

Need carry two kinds of instruments of saw and scissors in order to overcome current staff, just can saw cut and trim work, not only troublesome, aggravated the shortcoming of burden moreover, technical problem: provides a multifunctional pruning saw for gardens, which can carry out sawing and pruning and is convenient to use.

The technical implementation scheme of the invention is as follows: a multifunctional pruning saw for garden is composed of a big fixing plate with big arc slot, big pin axle in said big arc slot, big handle with ring slot, big baffle plate with big pin hole, big semi-circular block with big pin hole and slide fit with big pin hole, the big semicircular block is positioned in the big arc-shaped groove, the big semicircular block is in sliding fit with the big arc-shaped groove, the top of the big semicircular block is provided with a third small jack and a fourth small jack, the fourth small jack is positioned at the right side of the third small jack, the left side of the big semicircular block is connected with a holding rod, the middle position of the top of the big semicircular block is connected with a big mounting plate, the left side wall of the big mounting plate is provided with a first long slot, the first long slot is positioned right above the third small jack, the right side wall of the big mounting plate is provided with a second long slot, the second long slot is positioned right above the fourth small jack, the top of the big semicircular block is connected with a first long screw rod, the first long screw rod is positioned at the left side of the third small jack, the first long screw rod is provided with a first long groove, a first nut is sleeved on the first long screw rod, the first nut is in threaded connection with the first long screw rod, a saw blade penetrates through the first long groove, and the saw, the right side wall of the saw blade is positioned in the first long slot, the saw blade is contacted with the large mounting plate, the right lower end of the saw blade is positioned in the third small slot, the saw blade is contacted with the large semicircular block, the top of the large semicircular block is connected with a second long screw rod, the second long screw rod is positioned on the right side of the fourth small slot, the second long screw rod is provided with a second long groove, a second nut is sleeved on the second long screw rod and is in threaded connection with the second long screw rod, the blade passes through the second long groove and is contacted with the second long screw rod, the left side wall of the blade is positioned in the second long slot, the blade is contacted with the large mounting plate, the left lower end of the blade is positioned in the fourth small slot, the blade is contacted with the large semicircular block, the blade is positioned on the left side of the large baffle plate, the inverted concave plate is positioned above the saw blade and the blade, the middle position of the bottom of the inverted concave plate is provided with a trapezoidal, the upper end of the large mounting plate is in sliding fit with the trapezoid slot, the top of the inverted concave plate is provided with a first large jack, a first long screw rod is positioned in the first large jack, a first nut is positioned above the inverted concave plate, the first long screw rod and the first nut are both contacted with the inverted concave plate, the top of the inverted concave plate is provided with a first small jack, the first small jack is positioned on the right side of the first large jack, the upper right end of a saw blade is positioned in the first small jack, the saw blade is contacted with the inverted concave plate, the first small jack is positioned on the left side of the trapezoid slot, the top of the inverted concave plate is provided with a second large jack, a second long screw rod is positioned in the second large jack, a second nut is positioned above the inverted concave plate, the inverted concave plate is provided with a second small jack, the second small jack is positioned on the left side of the second large jack, the upper left end of the blade is positioned in the second small jack, the blade is contacted with the inverted concave plate, the second small jack is, the left end of long baffle is opened there is little through-hole, and the long screw rod of second is located little through-hole, and long baffle is located between second nut and the board of falling the concave, and the long screw rod of second, second nut and the board of falling the concave all contact with long baffle, and the bottom of long baffle is connected with little inserted bar, and little inserted bar slidingtype is located little pinhole, and the right-hand member of long baffle is connected with little dog.

Optionally, the device also comprises an annular plate, a movable plate and a rotating shaft, the movable pin comprises a rectangular frame, a first spring and a pin block, wherein the annular plate is sleeved on the large pin shaft and is in sliding fit with the large pin shaft, the annular plate is positioned in front of the large semicircular block and is in contact with the large semicircular block, the right side of the annular plate is connected with a movable plate, the right end of the movable plate is provided with a movable hole, the rotary shaft is slidably positioned in the movable hole, the rectangular frame is sleeved on the right end of the movable plate, a front side frame and a rear side frame of the rectangular frame are both embedded in the rotary shaft, the rear end of the rotary shaft is rotatably connected with the front side wall of the large fixed plate, the first spring is sleeved on the rotary shaft, the first spring is positioned in front of the movable plate, the right side wall of the annular plate is provided with a movable groove, the movable groove is positioned in front of the movable plate, the pin block is positioned in the movable groove and is in sliding.

Optionally, the movable plate type solar cell further comprises a push-pull plate, an L-shaped guide rod and a small spring, the push-pull plate is connected to the right side of the pin block, the push-pull plate is located on the right side of the annular plate, a first small guide hole is formed in the push-pull plate, the L-shaped guide rod is connected to the right side of the annular plate, the L-shaped guide rod is located in the first small guide hole, the L-shaped guide rod is in sliding fit with the first small guide hole, the right rear end of the L-shaped guide rod is connected with the front side wall of the movable plate, the small spring is sleeved on the L.

Optionally, the guide device further comprises a small guide plate, a small insert block and a second spring, wherein the upper portion of the small guide plate is provided with a second small guide hole, the long baffle is slidably located in the second small guide hole, the small guide plate is located on the right side of the large baffle, the small guide plate is in contact with the large baffle, the lower end of the small guide plate is connected with the small insert block, the small insert block is located in the small groove, the small insert block is in contact with the large baffle, the second spring is sleeved on the long baffle, and the second spring is located between the small stop block and the small guide plate.

The worker can grasp the invention by the handle and the holding rod, saw the invention by the saw blade, when the blade is needed to be used for operation, the second nut can be unscrewed from the second long screw rod, then the long baffle plate is pulled out from the second long screw rod, at the moment, the small inserted rod is moved out from the small pin hole, then the second nut is screwed back to the second long screw rod, and the inverted concave plate is pressed by the second nut, then the worker can trim the invention by the blade, the functions are various, when the invention needs to be maintained and repaired, the large semicircular block can be taken down from the large pin shaft, the first nut and the second nut can be respectively taken down from the first long screw rod and the second long screw rod, then the inverted concave plate is taken down from the first long screw rod and the second long screw rod, then the saw blade can be moved out from the first long groove and the first long insertion groove, and then a new saw blade can be replaced, and insert the new saw bit back into first long recess and first long slot, when screwing back first nut to first long screw rod, first long screw rod can tightly clip the saw bit that passes first long recess, also can take out the blade from second long recess and the long slot of second simultaneously, then change new blade again, when screwing back the second nut to the long screw rod of second, the long screw rod of second can tightly clip the new blade that passes the long recess of second, the dismouting is changed conveniently, easy to maintain and repair.

At this moment, the annular plate is sleeved on the large pin shaft, the pin block is clamped in the annular groove, the large semicircular block can be prevented from being separated from the large pin shaft, when the large semicircular block needs to be disassembled, the pin block can be moved out of the annular groove firstly, then the annular plate is pulled forwards, so that the annular plate is moved out of the large pin shaft, the movable plate compresses the first spring at the moment, the movable plate is rotated, the movable plate drives the rotating shaft to rotate through the rectangular frame, the annular plate can be completely moved away from the front of the large semicircular block, and the large semicircular block is convenient to disassemble and assemble.

At the moment, under the action of the elasticity of the small spring, the push-pull plate can tightly press the pin block in the annular groove to prevent the pin block from being separated from the annular groove, and the push-pull plate can be pulled to drive the pin block to move out of the annular groove, so that the safety and the reliability are realized.

At the moment, the small insert block is located in the small groove, the long baffle is fixed through the small guide plate, the long baffle is prevented from excessively deforming by force, the small guide plate can be pushed rightwards, the small guide plate drives the small insert block to be separated from the small groove, and the long baffle is conveniently disassembled and assembled.

The beneficial effects are that: the multifunctional pruning saw for the garden, provided by the invention, can be used for sawing and pruning without carrying two tools, namely a saw and a scissors, has multiple functions, is convenient to use, reduces the burden of workers, is beneficial to the development and implementation of work, and is simple in structure, easy to produce and manufacture, easy to maintain and repair, and low in production, manufacture, maintenance and repair cost.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic perspective view of the inverted concave plate of the present invention.

Fig. 3 is an enlarged schematic view of part a of the present invention.

Fig. 4 is a right-view structural diagram of the rectangular frame of the present invention.

Description of reference numerals: 1 big fixing plate, 2 handles, 3 big baffle plates, 4 big pin shafts, 5 big semicircular blocks, 6 holding rods, 7 big mounting plates, 8 first long screw rods, 9 first nuts, 10 saw blades, 11 second long screw rods, 12 second nuts, 13 blades, 14 inverted concave plates, 15 long baffle plates, 16 small insertion rods, 17 small stoppers, 21 annular plates, 22 movable plates, 23 rotating shafts, 24 rectangular frames, 25 first springs, 26 pin blocks, 31 push-pull plates, 32L-shaped guide rods, 33 small springs, 41 small guide plates, 42 small insertion blocks, 43 second springs, 81 first long grooves, 101 big arc-shaped grooves, 111 second long grooves, 141 trapezoid insertion grooves, 142 first big insertion holes, 143 first small insertion holes, 144 second big insertion holes, 145 second small insertion holes, 151 small through holes and 211 movable grooves, the structure comprises a 221 movable hole, a 301 small pin hole, a 302 small groove, a 311 first small guide hole, a 401 annular groove, a 411 second small guide hole, a 501 large pin hole, a 502 third small insertion hole, a 503 fourth small insertion hole, a 701 first long insertion groove and a 702 second long insertion groove.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

Example 1

A multifunctional pruning saw for gardens is shown in figures 1-4 and comprises a large fixing plate 1, a handle 2, a large baffle plate 3, a large pin shaft 4, a large semicircular block 5, a holding rod 6, a large mounting plate 7, a first long screw 8, a first nut 9, a saw blade 10, a second long screw 11, a second nut 12, a blade 13, an inverted concave plate 14, a long baffle plate 15, a small inserted rod 16 and a small stop 17, wherein the bottom of the large fixing plate 1 is connected with the handle 2, the front side wall of the large fixing plate 1 is provided with a large arc-shaped groove 101, the large arc-shaped groove 101 is positioned at the left side of the handle 2, the top of the large fixing plate 1 is connected with the large baffle plate 3, the large baffle plate 3 is positioned at the right side of the large arc-shaped groove 101, the top of the large baffle plate 3 is provided with a small pin hole 301, the upper end of the right side wall of the large baffle plate 3 is provided with a small groove 302, the front, the big pin shaft 4 is provided with an annular groove 401, the lower part of the big semicircular block 5 is provided with a big pin hole 501, the big pin shaft 4 is positioned in the big pin hole 501, the big pin shaft 4 is in sliding fit with the big pin hole 501, the big semicircular block 5 is positioned in the big arc-shaped groove 101, the big semicircular block 5 is in sliding fit with the big arc-shaped groove 101, the top of the big semicircular block 5 is provided with a third small jack 502 and a fourth small jack 503, the fourth small jack 503 is positioned at the right side of the third small jack 502, the left side of the big semicircular block 5 is connected with a holding rod 6, the middle position of the top of the big semicircular block 5 is connected with a big mounting plate 7, the left side wall of the big mounting plate 7 is provided with a first long slot 701, the first long slot 701 is positioned right above the third small jack 502, the right side wall of the big mounting plate 7 is provided with a second long slot 702, the second long slot 702 is positioned right above the fourth small jack 503, the top of the big semicircular block, the first long screw 8 is positioned at the left side of the third small insertion hole 502, the first long screw 8 is provided with a first long groove 81, the first nut 9 is sleeved on the first long screw 8, the first nut 9 is in threaded connection with the first long screw 8, the saw blade 10 passes through the first long groove 81, the saw blade 10 is in contact with the first long screw 8, the right side wall of the saw blade 10 is positioned in the first long slot 701, the saw blade 10 is in contact with the large mounting plate 7, the right lower end of the saw blade 10 is positioned in the third small insertion hole 502, the saw blade 10 is in contact with the large semicircular block 5, the top of the large semicircular block 5 is connected with a second long screw 11, the second long screw 11 is positioned at the right side of the fourth small insertion hole 503, the second long screw 11 is provided with a second long groove 111, the second nut 12 is sleeved on the second long screw 11, the second nut 12 is in threaded connection with the second long screw 11, the blade 13 passes through the second long groove 111, and the blade 13 is in contact with the second long screw 11, the left side wall of the blade 13 is positioned in the second long slot 702, the blade 13 is contacted with the large mounting plate 7, the left lower end of the blade 13 is positioned in the fourth small insertion hole 503, the blade 13 is contacted with the large semicircular block 5, the blade 13 is positioned on the left side of the large baffle plate 3, the inverted concave plate 14 is positioned above the saw blade 10 and the blade 13, the middle position of the bottom of the inverted concave plate 14 is provided with a trapezoidal insertion hole 141, the upper end of the large mounting plate 7 is positioned in the trapezoidal insertion hole 141, the upper end of the large mounting plate 7 is in sliding fit with the trapezoidal insertion hole 141, the top of the inverted concave plate 14 is provided with a first large insertion hole 142, the first long screw 8 is positioned in the first large insertion hole 142, the first nut 9 is positioned above the inverted concave plate 14, the first long screw 8 and the first nut 9 are both contacted with the inverted concave plate 14, the top of the inverted concave plate 14 is provided with a first small insertion hole 143, the first small insertion hole 143 is positioned on the right side of the first large insertion hole 142, the saw blade 10 is contacted with the inverted concave plate 14, the first small jack 143 is positioned at the left side of the trapezoidal slot 141, the top of the inverted concave plate 14 is provided with a second large jack 144, the second long screw 11 is positioned in the second large jack 144, the second nut 12 is positioned above the inverted concave plate 14, the inverted concave plate 14 is provided with a second small jack 145, the second small jack 145 is positioned at the left side of the second large jack 144, the upper left end of the blade 13 is positioned in the second small jack 145, the blade 13 is contacted with the inverted concave plate 14, the second small jack 145 is positioned at the right side of the trapezoidal slot 141, the left end of the long baffle 15 is provided with a small through hole 151, the second long screw 11 is positioned in the small through hole 151, the long baffle 15 is positioned between the second nut 12 and the inverted concave plate 14, the second long screw 11, the second nut 12 and the inverted concave plate 14 are all contacted with the long baffle 15, the bottom of the long baffle 15 is connected with a small inserted rod 16, the small inserted rod 16 is positioned in the small pin hole 301, the right end of the long baffle 15 is connected with a small stop block 17.

Example 2

The large-size round pin shaft type spring clamp further comprises an annular plate 21, a movable plate 22, a rotating shaft 23, a rectangular frame 24, a first spring 25 and a pin block 26, wherein the annular plate 21 is sleeved on the large pin shaft 4, the annular plate 21 is in sliding fit with the large pin shaft 4, the annular plate 21 is positioned in front of the large semicircular block 5, the annular plate 21 is in contact with the large semicircular block 5, the movable plate 22 is connected to the right side of the annular plate 21, a movable hole 221 is formed in the right end of the movable plate 22, the rotating shaft 23 is slidably positioned in the movable hole 221, the rectangular frame 24 is sleeved on the right end of the movable plate 22, a front side frame and a rear side frame of the rectangular frame 24 are embedded in the rotating shaft 23, the rear end of the rotating shaft 23 is rotatably connected with the front side wall of the large fixed plate 1, the first spring 25 is sleeved on the rotating shaft 23, the first spring 25 is positioned in front of the movable plate 22, a movable groove 211 is, the pin block 26 is in sliding fit with the movable groove 211, the left end of the pin block 26 is positioned in the annular groove 401, and the pin block 26 is in contact with the large pin shaft 4.

Example 3

The right side of the pin block 26 is connected with the push-pull plate 31, the push-pull plate 31 is located on the right side of the annular plate 21, the push-pull plate 31 is provided with a first small guide hole 311, the right side of the annular plate 21 is connected with the L-shaped guide rod 32, the L-shaped guide rod 32 is located in the first small guide hole 311, the L-shaped guide rod 32 is in sliding fit with the first small guide hole 311, the right rear end of the L-shaped guide rod 32 is connected with the front side wall of the movable plate 22, the small spring 33 is sleeved on the L-shaped guide rod 32, and the small spring 33 is located on the right side of the push-pull plate 31.

Example 4

Still including little deflector 41, little inserted block 42 and second spring 43, the upper portion of little deflector 41 is opened there is the little guiding hole 411 of second, long baffle 15 slidingtype is located the little guiding hole 411 of second, little deflector 41 is located the right side of big baffle 3, little deflector 41 contacts with big baffle 3, the lower extreme of little deflector 41 is connected with little inserted block 42, little inserted block 42 is located little recess 302, little inserted block 42 contacts with big baffle 3, second spring 43 overlaps on long baffle 15, second spring 43 is located between little dog 17 and the little deflector 41.

The worker can grasp the present invention by the handle 2 and the holding rod 6, perform the sawing operation by the saw blade 10, when the operation is required by the blade 13, can unscrew the second nut 12 from the second long screw 11, then pull the long baffle 15 from the second long screw 11, at this time, the small insertion rod 16 is moved out from the small pin hole 301, then screw the second nut 12 back to the second long screw 11, and press the inverted concave plate 14 by the second nut 12, then the worker can trim by the blade 13, the functions are various, when the maintenance of the present invention is required, the large semicircular block 5 can be removed from the large pin shaft 4, and can unscrew the first nut 9 and the second nut 12 from the first long screw 8 and the second long screw 11, respectively, then remove the inverted concave plate 14 from the first long screw 8 and the second long screw 11, then the saw blade 10 can be removed from the first long groove 81 and the first long slot 701, then, a new saw blade 10 can be replaced, the new saw blade 10 is inserted back into the first long groove 81 and the first long slot 701, when the first nut 9 is screwed back to the first long screw 8, the first long screw 8 can tightly clamp the saw blade 10 penetrating through the first long groove 81, meanwhile, the blade 13 can be taken out from the second long groove 111 and the second long slot 702, then, the new blade 13 is replaced, and when the second nut 12 is screwed back to the second long screw 11, the second long screw 11 can tightly clamp the new blade 13 penetrating through the second long groove 111, so that the saw blade assembly and disassembly are convenient to replace, and the maintenance is easy.

At this moment, the annular plate 21 is sleeved on the large pin shaft 4, meanwhile, the pin block 26 is clamped in the annular groove 401, the large semicircular block 5 can be prevented from being separated from the large pin shaft 4, when the large semicircular block 5 needs to be disassembled, the pin block 26 can be moved out of the annular groove 401 firstly, then the annular plate 21 is pulled forwards, so that the annular plate 21 is moved out of the large pin shaft 4, at this moment, the movable plate 22 compresses the first spring 25 and then rotates the movable plate 22, the movable plate 22 drives the rotating shaft 23 to rotate through the rectangular frame 24, the annular plate 21 can be completely moved away from the front of the large semicircular block 5, and the large semicircular block 5 can be conveniently disassembled and assembled.

At this time, under the elastic force of the small spring 33, the push-pull plate 31 can tightly press the pin block 26 in the annular groove 401, so as to prevent the pin block 26 from coming out of the annular groove 401, and the push-pull plate 31 can be pulled, so that the push-pull plate 31 drives the pin block 26 to move out of the annular groove 401, and the safety and reliability are realized.

At this moment, the small insert block 42 is located in the small groove 302, the long baffle 15 is fixed through the small guide plate 41, the long baffle 15 is prevented from being excessively deformed by force, the small guide plate 41 can be pushed rightwards, the small guide plate 41 drives the small insert block 42 to be separated from the small groove 302, and the long baffle 15 is conveniently disassembled and assembled.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A multifunctional pruning saw for gardens comprises a large fixing plate (1), a handle (2), a large baffle (3), a large pin shaft (4), a large semicircular block (5) and a holding rod (6), wherein the bottom of the large fixing plate (1) is connected with the handle (2), the front side wall of the large fixing plate (1) is provided with a large arc-shaped groove (101), the large arc-shaped groove (101) is positioned at the left side of the handle (2), the top of the large fixing plate (1) is connected with the large baffle (3), the large baffle (3) is positioned at the right side of the large arc-shaped groove (101), the top of the large baffle (3) is provided with a small pin hole (301), the upper end of the right side wall of the large baffle (3) is provided with a small groove (302), the front side wall of the large fixing plate (1) is connected with the large pin shaft (4), the large pin shaft (4) is positioned in the large arc-shaped groove (101), the large pin shaft (4) is provided with an annular groove (, big round pin axle (4) are located big pinhole (501), big round pin axle (4) and big pinhole (501) sliding fit, big semicircular block (5) are located big arc wall (101), big semicircular block (5) and big arc wall (101) sliding fit, open at the top of big semicircular block (5) has third little jack (502) and fourth little jack (503), fourth little jack (503) are located the right side of third little jack (502), the left side of big semicircular block (5) is connected with holding rod (6), characterized by: the novel cutting tool also comprises a large mounting plate (7), a first long screw (8), a first nut (9), a saw blade (10), a second long screw (11), a second nut (12), a blade (13), an inverted concave plate (14), a long baffle (15), a small insert rod (16) and a small stop block (17), wherein the middle position of the top of the large semicircular block (5) is connected with the large mounting plate (7), the left side wall of the large mounting plate (7) is provided with a first long slot (701), the first long slot (701) is positioned right above a third small jack (502), the right side wall of the large mounting plate (7) is provided with a second long slot (702), the second long slot (702) is positioned right above a fourth small jack (503), the top of the large semicircular block (5) is connected with a first long screw (8), the first long screw (8) is positioned on the left side of the third small jack (502), the first long screw (8) is provided with a first long groove (81), the first nut (9) is sleeved on the first long screw rod (8), the first nut (9) is in threaded connection with the first long screw rod (8), the saw blade (10) penetrates through the first long groove (81), the saw blade (10) is in contact with the first long screw rod (8), the right side wall of the saw blade (10) is positioned in the first long slot (701), the saw blade (10) is in contact with the large mounting plate (7), the right lower end of the saw blade (10) is positioned in the third small jack (502), the saw blade (10) is in contact with the large semicircular block (5), the top of the large semicircular block (5) is connected with the second long screw rod (11), the second long screw rod (11) is positioned on the right side of the fourth small jack (503), the second long screw rod (11) is provided with a second long groove (111), the second nut (12) is sleeved on the second long screw rod (11), the second nut (12) is in threaded connection with the second long screw rod (11), and the blade (13) penetrates through the second long groove (111), the blade (13) is contacted with the second long screw rod (11), the left side wall of the blade (13) is positioned in the second long slot (702), the blade (13) is contacted with the large mounting plate (7), the left lower end of the blade (13) is positioned in the fourth small jack (503), the blade (13) is contacted with the large semicircular block (5), the blade (13) is positioned on the left side of the large baffle plate (3), the inverted concave plate (14) is positioned above the saw blade (10) and the blade (13), the trapezoidal slot (141) is arranged at the middle position of the bottom of the inverted concave plate (14), the upper end of the large mounting plate (7) is positioned in the trapezoidal slot (141), the upper end of the large mounting plate (7) is in sliding fit with the trapezoidal slot (141), the first large jack (142) is arranged at the top of the inverted concave plate (14), the first long screw rod (8) is positioned in the first large jack (142), and the first nut (9) is positioned above the inverted concave plate (14), the first long screw (8) and the first nut (9) are both contacted with the inverted concave plate (14), the top of the inverted concave plate (14) is provided with a first small jack (143), the first small jack (143) is positioned on the right side of the first large jack (142), the upper right end of the saw blade (10) is positioned in the first small jack (143), the saw blade (10) is contacted with the inverted concave plate (14), the first small jack (143) is positioned on the left side of the trapezoid slot (141), the top of the inverted concave plate (14) is provided with a second large jack (144), the second long screw (11) is positioned in the second large jack (144), the second nut (12) is positioned above the inverted concave plate (14), the inverted concave plate (14) is provided with a second small jack (145), the second small jack (145) is positioned on the left side of the second large jack (144), the upper left end of the blade (13) is positioned in the second small jack (145), and the blade (13) is contacted with the inverted concave plate (14), little jack (145) of second is located the right side of trapezoidal slot (141), the left end of long baffle (15) is opened there is little through-hole (151), long screw rod of second (11) is located little through-hole (151), long baffle (15) are located between second nut (12) and undercut plate (14), long screw rod of second (11), second nut (12) and undercut plate (14) all contact with long baffle (15), the bottom of long baffle (15) is connected with little inserted bar (16), little inserted bar (16) slidingtype is located little pinhole (301), the right-hand member of long baffle (15) is connected with little dog (17).

2. The multifunctional pruning saw for the garden as set forth in claim 1, wherein: the large-size semicircular block fixing device further comprises an annular plate (21), a movable plate (22), a rotating shaft (23), a rectangular frame (24), a first spring (25) and a pin block (26), wherein the annular plate (21) is sleeved on the large pin shaft (4), the annular plate (21) is in sliding fit with the large pin shaft (4), the annular plate (21) is located in front of the large semicircular block (5), the annular plate (21) is in contact with the large semicircular block (5), the right side of the annular plate (21) is connected with the movable plate (22), the right end of the movable plate (22) is provided with a movable hole (221), the rotating shaft (23) is slidably located in the movable hole (221), the rectangular frame (24) is sleeved on the right end of the movable plate (22), the front side frame and the rear side frame of the rectangular frame (24) are both embedded in the rotating shaft (23), the rear end of the rotating shaft (23) is rotatably connected with the front side wall of the large fixed plate (1), the first spring (, the first spring (25) is located in front of the movable plate (22), the right side wall of the annular plate (21) is provided with a movable groove (211), the movable groove (211) is located in front of the movable plate (22), the pin block (26) is located in the movable groove (211), the pin block (26) is in sliding fit with the movable groove (211), the left end of the pin block (26) is located in the annular groove (401), and the pin block (26) is in contact with the large pin shaft (4).

3. The multifunctional pruning saw for the garden as set forth in claim 2, wherein: the novel pin block structure is characterized by further comprising a push-pull plate (31), an L-shaped guide rod (32) and a small spring (33), the push-pull plate (31) is connected to the right side of the pin block (26), the push-pull plate (31) is located on the right side of the annular plate (21), a first small guide hole (311) is formed in the push-pull plate (31), the L-shaped guide rod (32) is connected to the right side of the annular plate (21), the L-shaped guide rod (32) is located in the first small guide hole (311), the L-shaped guide rod (32) is in sliding fit with the first small guide hole (311), the right rear end of the L-shaped guide rod (32) is connected with the front side wall of the movable plate (22), the small spring (33) is sleeved on the L-shaped guide rod (32), and the small spring (.

4. A multifunctional pruning saw for gardens as claimed in claim 3, wherein: still including little deflector (41), little inserted block (42) and second spring (43), the upper portion of little deflector (41) is opened there is little guiding hole of second (411), long baffle (15) slidingtype is located little guiding hole of second (411), little deflector (41) are located the right side of big baffle (3), little deflector (41) contact with big baffle (3), the lower extreme of little deflector (41) is connected with little inserted block (42), little inserted block (42) are located little recess (302), little inserted block (42) contact with big baffle (3), second spring (43) cover is on long baffle (15), second spring (43) are located between little dog (17) and little deflector (41).