CN112825693A

CN112825693A - Rattan-man-winding-preventing multi-rack electric saw for garden construction

Info

Publication number: CN112825693A
Application number: CN202110034233.3A
Authority: CN
Inventors: 林伟
Original assignee: Individual
Current assignee: Xiamen Qinyu Construction Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-05-25
Anticipated expiration: 2041-01-12
Also published as: CN112825693B

Abstract

The invention provides a rattan winding prevention multi-tooth electric saw for garden construction, relates to the technical field of electric saw equipment, and aims to solve the problems that after being wound by vines, the existing rattan winding prevention multi-tooth electric saw for garden construction is difficult to remove by hands manually due to high toughness of the vines, the time consumption is long, the working efficiency of garden construction is influenced, meanwhile, a reasonable removing structure is lacked, the use and the operation are troublesome, and the removal is not thorough enough, and comprises a sealing cover; the rear end of the closed cover is fixedly clamped with the upper end of the pipe orifice of the water pipe. According to the invention, the two cutting plates are distributed in a parallel mode, the end part of each cutting plate is provided with the fixed seat, the fixed seat is provided with the sliding plate, the sliding plate is in sliding connection with the screw rod in a threaded mode, the rectangular sliding block is in sliding connection with the mounting plate through the sliding groove, and the cutting plates are arranged on the upper side and the lower side of the chain.

Description

Rattan-man-winding-preventing multi-rack electric saw for garden construction

Technical Field

The invention belongs to the technical field of electric saw equipment, and particularly relates to a rattan-winding-preventing multi-rack electric saw for garden construction.

Background

As is well known, an electric saw is an electric tool mainly used for felling, pruning and wood processing, along with the development of the society, the application field of the electric saw is wider and wider, the number of people using the electric saw is more and more, higher requirements are provided for the safety and operability of electric saw products, and many manufacturers and people who know develop and develop the electric saw.

For example, application No.: CN201821373703.9 discloses a rattan man winding multiple tooth strip electric saw is prevented in gardens construction, include electric saw mechanism and prevent rattan man winding safety cover, the one end of electric saw mechanism is provided with anti-skidding handle, the one end of chain tensioning knob is provided with the motor, and the motor is embedded in the inside of electric saw mechanism, the top of strenghthened type baffle is provided with prevents rattan man winding safety cover, the outside of preventing rattan man winding safety cover has cup jointed and has advanced the ring, the outside of advancing the ring is provided with the connecting block, the one end of connecting block is connected with the hinge piece, the one end of hinge piece is connected with the catch bar, the other end of preventing rattan man winding safety cover has cup jointed fixed. Through increasing antiwind safety cover to guarantee the normal use of electric saw, avoid the electric saw in the use, by rattan man winding influence operation, lead to work efficiency's reduction, antiwind safety cover outside has cup jointed and has advanced the ring, will advance the ring and upwards promote, gets rid of rattan man from the safety cover with the connecting rod.

Among the multi-teeth electric saw of rattan winding is prevented in current gardens construction, when being twined by the rattan, because the toughness of rattan is great, it is more difficult that artifical manual clearing away, and it is longer to consume time, influences garden construction's work efficiency, and it lacks reasonable structure of clearing away simultaneously, uses troublesome poeration, clears up thoroughly inadequately moreover.

Disclosure of Invention

In order to solve the technical problems, the invention provides a rattan winding prevention multi-tooth-strip electric saw for garden construction, which aims to solve the problems that after the rattan winding prevention multi-tooth-strip electric saw for garden construction is wound by vines, manual cleaning is difficult and time consuming due to the fact that the vines have high toughness, the working efficiency of garden construction is affected, meanwhile, a reasonable cleaning structure is lacked, the use and operation are troublesome, and cleaning is not thorough.

The invention relates to a purpose and an effect of a rattan winding prevention multi-tooth-strip electric saw for garden construction, which are achieved by the following specific technical means:

a rattan winding-preventing multi-rack electric saw for garden construction comprises an electric saw body, wherein a toothed plate is fixedly mounted at the front end of the electric saw body; the toothed plate comprises a through groove, the middle position of the toothed plate is provided with the through groove, and the through groove is fixedly provided with a sliding rail in an embedded mode; a sliding assembly is arranged in the sliding rail; the toothed plate is provided with a chain, and the chain is in transmission connection with the toothed plate; the front end of the electric saw body is provided with a guard plate, and the guard plate is positioned on the right side of the toothed plate; two sleeves are fixedly arranged on the left side of the guard plate; the two sleeve pipe ends are respectively provided with an arc-shaped plate; mounting plates are arranged on the left side and the right side of the toothed plate; the upper end and the lower end between the two mounting plates are provided with cutting boards.

Further, the backplate includes mounting hole and locking bolt, two mounting holes have been seted up on the backplate, and two mounting holes are the direction from top to bottom and distribute to the backplate passes through locking bolt and electric saw body fixed connection.

Further, the slide rail includes dovetail groove and slide bar, the slide rail is the loop configuration, and the dovetail groove has been seted up to both sides about the slide rail inner peripheral surface, be equipped with the slide bar in the slide rail annular cavity, and the slide rail is the horizontal mode and distributes.

Further, the mounting panel includes installation cavity, spout and lead screw, two the mounting panel is left right direction parallel distribution, and the mounting panel about the tip all be equipped with the installation cavity to all be equipped with the lead screw in the installation cavity, the lead screw rotates with the mounting panel to be connected, the installation cavity is rectangular cavity structure, and the installation cavity both sides have seted up the spout, the right side mounting panel right-hand member fixed mounting has the pushing hands, and the pushing hands can dismantle with the arc and be connected.

Further, the sleeve pipe includes compression spring and keeps off the mouth, and two the sleeve pipes are parallel mode and distribute, and the sleeve pipe sets up in the mounting hole, the sleeve pipe tip is equipped with keeps off the mouth, and sleeve pipe and keep off the mouth and seted up the rectangle and lead to the chamber to lead to the intracavity and be equipped with compression spring.

Furthermore, the cutting board comprises a fixed seat, a sliding plate and rectangular sliding blocks, the two positions of the cutting board are distributed in a parallel mode, the end part of the cutting board is provided with the fixed seat, the fixed seat is provided with the sliding plate and fixedly connected with the sliding plate through bolts, the two sides of the sliding plate are provided with the rectangular sliding blocks, the two rectangular sliding blocks are distributed in a symmetrical mode, the sliding plate is arranged in the installation cavity and is in sliding connection with the lead screw in a threaded mode, and the rectangular sliding blocks are in sliding connection with the installation plate through sliding grooves.

Further, the arc includes picture peg and connecting rod, two equal fixed mounting of arc right-hand member has the picture peg, and fixed mounting has the connecting rod between the picture peg of two, picture peg and sleeve pipe and the logical chamber sliding connection who keeps off the mouth, and compression spring supports between intraductal wall of sleeve and picture peg.

Further, the sliding assembly comprises a sliding sleeve, a connecting pipe and a trapezoidal sliding block, the sliding sleeve is arranged in the annular cavity of the sliding rail, the sliding sleeve is sleeved on the sliding rod and is connected with the sliding rod in a sliding mode, the left side and the right side of the sliding sleeve are provided with the connecting pipe, the sliding sleeve is connected with the mounting plate through the connecting pipe and is fixedly connected with the mounting plate through bolts, the trapezoidal sliding block is arranged on the upper side and the lower side of the sliding sleeve and is matched with the trapezoidal groove, and the trapezoidal sliding block is connected with the sliding rail in.

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

1. the two mounting plates are distributed in parallel in the left-right direction, the upper end part and the lower end part of each mounting plate are provided with mounting cavities, lead screws are arranged in the mounting cavities, the lead screws are rotatably connected with the mounting plates, the mounting cavities are of rectangular cavity structures, sliding grooves are formed in two sides of the mounting cavities, the right end of the right mounting plate is fixedly provided with a pushing handle, the pushing handle is detachably connected with the arc-shaped plate, the pushing handle is clamped by the arc-shaped plate to further control the mounting plates, and the pushing handle and the arc-shaped plate are conveniently detached during operation, so that the structure is more reasonable;

2. the cutter plates are distributed in a parallel mode, the end parts of the cutter plates are provided with fixed seats, sliding plates are arranged on the fixed seats, the fixed seats are fixedly connected with the sliding plates through bolts, rectangular sliding blocks are arranged on two sides of the sliding plates and are distributed in a symmetrical mode, the sliding plates are arranged in the installation cavity and are in sliding connection with the lead screws in a threaded mode, the rectangular sliding blocks are in sliding connection with the installation plate through sliding chutes, and the cutter plates are arranged on the upper side and the lower side of the chain;

3. because the sliding sleeve sets up in the slide rail annular chamber, and the sliding sleeve suit in the slide bar, and sliding sleeve and slide bar sliding connection, the sliding sleeve left and right sides is equipped with the connecting pipe, and the sliding sleeve is connected with the mounting panel through the connecting pipe, and through bolt fixed connection, both sides are equipped with trapezoidal slider about the sliding sleeve, and trapezoidal slider and dovetail groove phase-match, and trapezoidal slider passes through dovetail groove and slide rail sliding connection, the aforesaid is when using the cutting board to cut, the mounting panel passes through the slip subassembly and slides around the slide rail, its simple structure, convenient operation.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

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

Fig. 2 is a schematic view of the rotated view structure shown in fig. 1.

Fig. 3 is a schematic structural view of the electric saw with the electric saw body removed.

Fig. 4 is a schematic view of the mounting plate, knife plate, pusher and slide assembly of the present invention.

FIG. 5 is a schematic view of the structure of the guard plate, the sleeve, the arc-shaped plate and the pushing handle of the present invention.

Fig. 6 is a schematic view of the slide rail structure of the present invention.

Fig. 7 is an enlarged view of the portion a of fig. 6 according to the present invention.

Fig. 8 is a structural schematic view of the sliding sleeve and the arc-shaped plate in an explosion state.

Fig. 9 is a schematic view of the structure of the knife plate of the present invention.

Fig. 10 is a schematic view of the mounting plate, knife plate and slide assembly of the present invention in an exploded configuration.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an electric saw body; 2. a toothed plate; 201. a through groove; 3. a guard plate; 301. mounting holes; 302. locking the bolt; 4. a chain; 5. a slide rail; 501. a trapezoidal groove; 502. a slide bar; 6. mounting a plate; 601. a mounting cavity; 602. a chute; 603. a screw rod; 7. a sleeve; 701. a compression spring; 702. blocking the opening; 8. a cutting board; 801. a fixed seat; 802. a sliding plate; 803. a rectangular slider; 9. an arc-shaped plate; 901. inserting plates; 902. a connecting rod; 10. a pushing handle; 11. a sliding assembly; 1101. a sliding sleeve; 1102. a connecting pipe; 1103. a trapezoidal slider.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 10:

the invention provides a rattan-winding-preventing multi-rack electric saw for garden construction, which comprises an electric saw body 1, wherein a toothed plate 2 is fixedly installed at the front end of the electric saw body 1; the toothed plate 2 comprises a through groove 201, the through groove 201 is formed in the middle of the toothed plate 2, and the through groove 201 is fixedly provided with a sliding rail 5 in an embedded mode; the slide rail 5 comprises a trapezoidal groove 501 and a slide bar 502, the slide rail 5 is of an annular structure, the trapezoidal groove 501 is formed in the upper side and the lower side of the inner peripheral surface of the slide rail 5, the slide bar 502 is arranged in an annular cavity of the slide rail 5, and the slide rail 5 is distributed in a transverse mode; a sliding component 11 is arranged in the sliding rail 5; the toothed plate 2 is provided with a chain 4, and the chain 4 is in transmission connection with the toothed plate 2; the front end of the electric saw body 1 is provided with a guard plate 3, and the guard plate 3 is positioned on the right side of the toothed plate 2; the guard plate 3 comprises mounting holes 301 and locking bolts 302, the guard plate 3 is provided with two mounting holes 301, the two mounting holes 301 are distributed in the vertical direction, and the guard plate 3 is fixedly connected with the electric saw body 1 through the locking bolts 302; two sleeves 7 are fixedly arranged on the left side of the guard plate 3; the sleeve 7 comprises a compression spring 701 and a blocking opening 702, the two sleeves 7 are distributed in a parallel mode, the sleeves 7 are arranged in the mounting hole 301, the blocking opening 702 is arranged at the end part of each sleeve 7, rectangular through cavities are formed in the sleeves 7 and the blocking openings 702, and the compression spring 701 is arranged in each through cavity; the end parts of the two sleeves 7 are provided with arc plates 9; the arc-shaped plate 9 comprises an inserting plate 901 and a connecting rod 902, the right ends of the two arc-shaped plates 9 are fixedly provided with the inserting plates 901, the connecting rod 902 is fixedly arranged between the two inserting plates 901, the inserting plates 901 are slidably connected with the sleeve 7 and the through cavity of the blocking opening 702, and the compression spring 701 is supported between the inner wall of the sleeve 7 and the inserting plates 901; the left side and the right side of the toothed plate 2 are provided with mounting plates 6; the upper end and the lower end between the two mounting plates 6 are both provided with a cutting board 8.

Wherein, mounting panel 6 includes installation cavity 601, spout 602 and lead screw 603, direction parallel distribution about two mounting panels 6 are, and tip all is equipped with installation cavity 601 about mounting panel 6, and all be equipped with lead screw 603 in the installation cavity 601, lead screw 603 rotates with mounting panel 6 to be connected, installation cavity 601 is the rectangle cavity structure, and installation cavity 601 both sides have seted up

spout

602, 6 right-hand member fixed mounting of right side mounting panel has pushing hands 10, and pushing hands 10 can dismantle with arc 9 and be connected, utilize arc 9 to carry out the joint with pushing hands 10, and then control mounting panel 6, pushing hands 10 unpacks apart conveniently with arc 9 when the operation, it is more reasonable to make the structure.

Wherein, the cutting board 8 includes fixing base 801, sliding plate 802 and rectangle slider 803, cutting board 8 is that two are parallel mode and distributes, and cutting board 8 tip is equipped with fixing base 801, be equipped with sliding plate 802 on the fixing base 801, and fixing base 801 passes through bolt and sliding plate 802 fixed connection, sliding plate 802 both sides are equipped with rectangle slider 803, and two rectangle sliders 803 are symmetrical mode and distribute, sliding plate 802 sets up in installation cavity 601, and sliding plate 802 and lead screw 603 pass through threaded mode sliding connection, and rectangle slider 803 passes through spout 602 and mounting panel 6 sliding connection, because both sides are equipped with cutting board 8 about the chain 4, when the winding has the climing rattan on chain 4, at first, promote pushing hands 10, utilize cutting board 8 to cut the climing rattan, thereby guarantee the normal work of electric saw.

Wherein, the sliding assembly 11 includes a sliding sleeve 1101, a connecting pipe 1102 and a trapezoidal sliding block 1103, the sliding sleeve 1101 is disposed in the annular cavity of the sliding rail 5, and the sliding sleeve 1101 is sleeved on the sliding rod 502, and the sliding sleeve 1101 is connected with the sliding rod 502 in a sliding manner, the connecting pipe 1102 is disposed on the left and right sides of the sliding sleeve 1101, and the sliding sleeve 1101 is connected with the mounting plate 6 through the connecting pipe 1102 and is fixedly connected with the sliding sleeve by bolts, the trapezoidal sliding block 1103 is disposed on the upper and lower sides of the sliding sleeve 1101, and the trapezoidal sliding block 1103 is matched with the trapezoidal groove 501, and the trapezoidal sliding block 1103 is connected with the sliding rail 5 in a sliding manner through the trapezoidal groove 501, when the cutting board 8 is used for cutting.

The specific use mode and function of the embodiment are as follows:

in the use, at first, cutting board 8 is that two are parallel mode and distributes, and cutting board 8 tip is equipped with fixing base 801, be equipped with sliding plate 802 on the fixing base 801, and fixing base 801 passes through bolt and sliding plate 802 fixed connection, sliding plate 802 both sides are equipped with rectangle slider 803, and two rectangle sliders 803 are symmetrical mode and distribute, sliding plate 802 sets up in installation cavity 601, and sliding plate 802 and lead screw 603 pass through threaded mode sliding connection, and rectangle slider 803 passes through

spout

602 and 6 sliding connection of mounting panel, because both sides are equipped with cutting board 8 about chain 4, when the winding has vine on chain 4, promote pushing hands 10, utilize cutting board 8 to cut vine, thereby guarantee the normal work of electric saw

Meanwhile, the two mounting plates 6 are distributed in parallel in the left-right direction, the upper end portion and the lower end portion of each mounting plate 6 are provided with mounting cavities 601, the mounting cavities 601 are internally provided with lead screws 603, the lead screws 603 are rotatably connected with the mounting plates 6, each mounting cavity 601 is of a rectangular cavity structure, sliding grooves 602 are formed in two sides of each mounting cavity 601, a push handle 10 is fixedly mounted at the right end of each mounting plate 6 on the right side, the push handle 10 is detachably connected with the arc-shaped plate 9, the push handle 10 is clamped by the arc-shaped plate 9, the mounting plates 6 are further controlled, and the push handle 10 and the arc-shaped plate 9 can be detached conveniently during operation;

in addition, sliding sleeve 1101 sets up in the slide rail 5 annular chamber, and sliding sleeve 1101 is suit in slide bar 502, and sliding sleeve 1101 and slide bar 502 sliding connection, the sliding sleeve 1101 left and right sides is equipped with connecting pipe 1102, and sliding sleeve 1101 is connected with mounting panel 6 through connecting pipe 1102, and through bolt fixed connection, sliding sleeve 1101 upper and lower both sides are equipped with trapezoidal slider 1103, and trapezoidal slider 1103 and trapezoidal groove 501 match, and trapezoidal slider 1103 passes through trapezoidal groove 501 and slide rail 5 sliding connection, above-mentioned when using cutting board 8 to cut, mounting panel 6 slides back and forth along slide rail 5 through sliding assembly 11, its simple structure, use convenient operation.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a rattan man winding multiple rack electric saw is prevented in gardens construction which characterized in that: the electric saw comprises an electric saw body (1), wherein a toothed plate (2) is fixedly mounted at the front end of the electric saw body (1); the toothed plate (2) comprises a through groove (201), the through groove (201) is formed in the middle of the toothed plate (2), and the through groove (201) is fixedly provided with a sliding rail (5) in an embedded mode; a sliding component (11) is arranged in the sliding rail (5); the toothed plate (2) is provided with a chain (4), and the chain (4) is in transmission connection with the toothed plate (2); the front end of the electric saw body (1) is provided with a guard plate (3), and the guard plate (3) is positioned on the right side of the toothed plate (2); two sleeves (7) are fixedly arranged on the left side of the guard plate (3); the end parts of the two sleeves (7) are provided with arc-shaped plates (9); mounting plates (6) are arranged on the left side and the right side of the toothed plate (2); the upper end and the lower end between the two mounting plates (6) are provided with cutting boards (8).

2. The rattan winding prevention multi-rack electric saw for garden construction according to claim 1, characterized in that: the guard plate (3) comprises mounting holes (301) and locking bolts (302), two mounting holes (301) are formed in the guard plate (3), the two mounting holes (301) are distributed in the up-down direction, and the guard plate (3) is fixedly connected with the electric saw body (1) through the locking bolts (302).

3. The rattan winding prevention multi-rack electric saw for garden construction according to claim 1, characterized in that: the sliding rail (5) comprises a trapezoidal groove (501) and a sliding rod (502), the sliding rail (5) is of an annular structure, the trapezoidal groove (501) is formed in the upper side and the lower side of the inner peripheral surface of the sliding rail (5), the sliding rod (502) is arranged in an annular cavity of the sliding rail (5), and the sliding rail (5) is distributed in a transverse mode.

4. The rattan winding prevention multi-rack electric saw for garden construction according to claim 1, characterized in that: mounting panel (6) include installation cavity (601), spout (602) and lead screw (603), two direction parallel distribution about installation panel (6) is, and installation cavity (601) all are equipped with to tip about installation panel (6) to all be equipped with lead screw (603) in installation cavity (601), lead screw (603) rotate with mounting panel (6) and be connected, installation cavity (601) are the rectangle cavity structure, and spout (602), right side have been seted up to installation cavity (601) both sides mounting panel (6) right-hand member fixed mounting has pushing hands (10), and pushing hands (10) can dismantle with arc (9) and be connected.

5. The rattan winding prevention multi-rack electric saw for garden construction according to claim 1, characterized in that: the sleeve (7) comprises a compression spring (701) and a blocking opening (702), the two sleeves (7) are distributed in a parallel mode, the sleeves (7) are arranged in the mounting holes (301), the blocking opening (702) is arranged at the end part of each sleeve (7), a rectangular through cavity is formed in each sleeve (7) and the corresponding blocking opening (702), and the compression spring (701) is arranged in each through cavity.

6. The rattan winding prevention multi-rack electric saw for garden construction according to claim 1, characterized in that: the cutting board (8) comprises a fixed seat (801), a sliding plate (802) and rectangular sliding blocks (803), the cutting board (8) is distributed in a parallel mode at two positions, the fixed seat (801) is arranged at the end part of the cutting board (8), the sliding plate (802) is arranged on the fixed seat (801), the fixed seat (801) is fixedly connected with the sliding plate (802) through bolts, the rectangular sliding blocks (803) are arranged on two sides of the sliding plate (802), the rectangular sliding blocks (803) at two positions are distributed in a symmetrical mode, the sliding plate (802) is arranged in a mounting cavity (601), the sliding plate (802) is in sliding connection with a lead screw (603) through threads, and the rectangular sliding blocks (803) are in sliding connection with a mounting plate (6) through sliding grooves (602).

7. The rattan winding prevention multi-rack electric saw for garden construction according to claim 1, characterized in that: the arc-shaped plate (9) comprises inserting plates (901) and connecting rods (902), the inserting plates (901) are fixedly mounted at the right ends of the two arc-shaped plates (9), the connecting rods (902) are fixedly mounted between the two inserting plates (901), the inserting plates (901) are slidably connected with the through cavities of the sleeve pipes (7) and the blocking openings (702), and the compression springs (701) are supported between the inner walls of the sleeve pipes (7) and the inserting plates (901).

8. The rattan winding prevention multi-rack electric saw for garden construction according to claim 1, characterized in that: sliding assembly (11) includes sliding sleeve (1101), connecting pipe (1102) and trapezoidal slider (1103), sliding sleeve (1101) sets up in slide rail (5) annular cavity, and sliding sleeve (1101) suit in slide bar (502) to sliding sleeve (1101) and slide bar (502) sliding connection, the sliding sleeve (1101) left and right sides is equipped with connecting pipe (1102), and sliding sleeve (1101) are connected with mounting panel (6) through connecting pipe (1102), and through bolt fixed connection, sliding sleeve (1101) upper and lower both sides are equipped with trapezoidal slider (1103), and trapezoidal slider (1103) and trapezoidal groove (501) phase-match, and trapezoidal slider (1103) pass through trapezoidal groove (501) and slide rail (5) sliding connection.