CN113144690A

CN113144690A - Environment-friendly lake isolating device

Info

Publication number: CN113144690A
Application number: CN202110432818.0A
Authority: CN
Inventors: 王鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-07-23

Abstract

The invention discloses an environment-friendly lake isolation device, and belongs to the technical field of lake isolation. An environment-friendly lake isolation device comprises an isolation tube body, a rotating shaft is rotatably connected at the middle position inside a warning box, a bevel gear A is sleeved at the lower end of the rotating shaft, the upper end of the rotating shaft penetrates through the inner wall of the warning box and extends to the outer wall of the warning box, a diamond warning mirror is welded on the outer wall of the warning box, a middle shaft is rotatably connected at the middle part of the left side of the warning box, the left end of the middle shaft penetrates through the inner wall of the warning box and extends to the outside of the warning box, a transmission gear A is sleeved at the left end of the middle shaft, the right end of a sliding rod penetrates through the outer wall of the warning box and extends to the inside of the warning box, a sharp mouth is welded on the left side of the sharp mouth, a limiting plate is welded at the left end of the sliding rod, a warning board is arranged at the middle part of the upper side of the limiting plate through a fixing column, the structures are tightly matched, the device effectively arouses the attention of tourists through the diamond warning mirror, and warns passersby while the warning board, the device effectively arouses the attention of the tourists, and improves the effect of warning in dangerous areas of lakes, the potential safety hazard is avoided.

Description

Environment-friendly lake isolating device

Technical Field

The invention relates to the technical field of lake isolation, in particular to an environment-friendly lake isolation device.

Background

The lake is a wider water area formed by water accumulated in depressions on the surface of the land, is naturally formed and also excavated in the afterdays, the construction of urban gardens cannot be separated from the lake, and the lake is often divided into a plurality of areas by arranging an isolation net, so that certain effects of filtering dirt and warning tourists can be achieved. The document with the prior art publication number of CN107313396B provides an environment-friendly lake isolating device, the device is connected through flexible connectors at the junction of separation net body, can avoid the fragile condition of rigid connection, it is further, realize the high-speed joint of flexible connectors and fixed plate through the connected form that adopts the bolt, be favorable to the quick maintenance and the change of body, and can avoid the atress protection of bolt through the setting of slider with the draw-in groove, although the device beneficial effect is more, nevertheless still there are the following problems: the device has only set up the warning strip, can not effectively get aroused tourist's attention, make warning tourist's lake get the effect of danger area poor, there is the potential safety hazard, and the device carries out whole change to the separation net through setting up the bolt, and can not clear up automatically and filter the foul, it changes to all need staff offal at every turn, not only waste time and energy, and the potential safety hazard of staff has been increased, can't avoid aquatic rubbish to flow to other places when changing again simultaneously, and because silt has the thixotropy, can recover automatically after structure and intensity atress destroy, the separation net is stopped up on the filter screen to extremely easy adhesion, cause device work efficiency to reduce, unable normal use. In view of this, we propose an environment-friendly lake isolation device.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide an environment-friendly lake isolation device to solve the problems in the background art.

2. Technical scheme

An environment-friendly lake isolation device comprises an isolation pipe body, wherein a mechanical box is fixedly arranged at the front end of the lower right side of the isolation pipe body, an ultrasonic flowmeter is embedded in the isolation pipe body, a motor is arranged in the mechanical box, the output end of the motor penetrates through the outer wall of the isolation pipe body to extend into the isolation pipe body and is coaxially connected with a cylinder, an annular curve groove is formed in the outer wall of the circumference of the cylinder, a cleaning block is arranged at the front side of the inner part of the isolation pipe body, a sliding block is arranged in the middle of the upper side of the cleaning block, a slot is formed in the front side of the outer wall of the isolation pipe body, a filter screen is inserted in the slot, an ultrasonic cleaning module is arranged in the side edge of the filter screen, the motor is provided with a control module which responds to an output signal of the ultrasonic flowmeter and transmits the signal to the ultrasonic cleaning module, square grooves are formed in the left side and the right side of the slot, and a collection assembly is arranged in the square grooves, the collecting component comprises a collecting box, a pull handle is arranged in the middle of the upper side of the collecting box, a plurality of filter holes are uniformly arranged on the inner wall of the rear side in the collecting box, a box door is hinged to the front side of the collecting box, a plurality of garbage inlets are linearly and equidistantly arranged on the front side of the box door, a warning box is fixedly arranged at the middle position of the left end of the upper side of the isolating pipe body, a rotating shaft is rotatably connected to the middle position in the warning box, a helical gear A is sleeved at the lower end of the rotating shaft, a round rod is arranged in the middle of the rotating shaft, the upper end of the rotating shaft penetrates through the inner wall of the warning box and extends to the outer wall of the warning box and is welded with a rhombic warning mirror, a central shaft is rotatably connected to the middle part of the left side of the warning box, the left end of the central shaft penetrates through the inner wall of the warning box and extends to the outside of the warning box and is sleeved with a transmission gear A, a sliding rod is arranged in the middle part of the left side of the warning box, the right end of the sliding rod penetrates through the outer wall of the warning box and extends to the inside of the warning box and is welded with a sharp mouth, the utility model discloses a safety valve, including sharp mouth, slide bar, limiting plate, fixed column, warning sign, sharp mouth left side is equipped with the spring, the welding of slide bar left end has the limiting plate, limiting plate upside middle part is equipped with the warning sign through the fixed column.

Preferably, the middle of the bottom surface of the cleaning block is welded with a cam, and the lower end of the cam penetrates through the outer wall of a through groove formed in the front side of the inner part of the isolation pipe body to extend to the inner part and is in sliding connection with the annular curve groove.

Preferably, the inside upper wall front side of isolation body is opened and is equipped with the spout, spout and slider sliding connection.

Preferably, the right end of the middle shaft is sleeved with a bevel gear B, and the bevel gear B is meshed with the bevel gear A.

Preferably, the round bar is arranged in an inclined structure, and the lower end of the circumferential outer wall of the round bar is connected with the right end of the sharp nozzle in a sliding manner.

Preferably, the outer wall of the circumference of the transmission gear A is connected with a chain in a meshing manner, and the lower end of the chain is connected with the transmission gear B, which penetrates through the isolation pipe body from the left end to the outside and is sleeved with the isolation pipe body, in a meshing manner.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the invention is characterized in that a rotating shaft is rotatably connected at the middle position in the warning box, a bevel gear A is sleeved at the lower end of the rotating shaft, the upper end of the rotating shaft penetrates through the inner wall of the warning box and extends to the outer wall of the warning box, a rhombic warning mirror is welded on the outer wall of the warning box, a middle shaft is rotatably connected at the middle part of the left side of the warning box, the left end of the middle shaft penetrates through the inner wall of the warning box and extends to the outside of the warning box, a transmission gear A is sleeved on the middle end of the middle shaft, the right end of a sliding rod penetrates through the outer wall of the warning box and extends to the inside of the warning box, a sharp mouth is welded on the right end of the sliding rod, a spring is arranged at the left side of the sharp mouth, a limiting plate is welded at the left end of the sliding rod, a warning board is arranged at the middle part of the upper side of the limiting plate through a fixing column, and the structures are closely matched, the device effectively draws the attention of tourists through the rhombic warning mirror, and simultaneously warns passers-by in cooperation with the warning board, the device effectively gets the attention of tourist, has improved the effect that warns tourist lake and has got the danger area, has avoided the emergence that has the potential safety hazard.

2. The invention extends to the inside through penetrating the outer wall of the isolation pipe body at the output end of the motor and is coaxially connected with the cylinder, the outer wall of the circumference of the cylinder is provided with an annular curve groove, the front side inside the isolation pipe body is provided with a cleaning block, the middle part of the upper side of the cleaning block is provided with a slide block, the front side of the outer wall of the isolation pipe body is provided with a slot, a filter screen is inserted in the slot, the middle part of the bottom surface of the cleaning block is welded with a cam, the lower end of the cam penetrates through the outer wall of a through groove arranged at the front side inside the isolation pipe body and extends to the inside and is in sliding connection with the annular curve groove, the device can clean and collect the garbage such as dirt on the surface of the filter screen, automatically clean and filter the dirt, avoid the situation that the workers need to be replaced by sewage every time, not only wastes time and labor, but also increases the potential safety hazard of the workers, meanwhile, the situation that the garbage in the water cannot flow to other places when the garbage is replaced is avoided.

3. According to the garbage collecting box, the square grooves are formed in the left side and the right side of the slot, the collecting component is arranged in each square groove and comprises the collecting box, the pull handle is arranged in the middle of the upper side of the collecting box, the inner wall of the rear side of the inner part of the collecting box is uniformly provided with the plurality of filter holes, the front side of the collecting box is hinged with the box door, and the garbage inlets are formed in the front side of the box door at equal intervals in a linear mode, so that garbage such as dirt can be collected into the collecting box and can be pulled out to be poured out through the pull handle, the efficiency is effectively improved, the complexity of replacement at each time is avoided, manpower and material resources are saved, and the cost is saved.

4. According to the invention, the ultrasonic flowmeter and the ultrasonic cleaner are arranged in the pipe body, the advantage that the device is under water is utilized, the high-frequency oscillation signal sent by the ultrasonic cleaning module is fully utilized, so that the water body near the pipe body generates a cavitation effect to generate shock waves, sludge attached to the filter screen is removed, the problem that the device cannot work normally due to the fact that lake sludge has thixotropy and adheres to the filter screen to block the filter screen is avoided, the burden of replacing the filter screen by workers is reduced, and the device has a good self-cleaning function.

Drawings

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

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view of the inner structure of the warning box of the present invention;

FIG. 4 is a schematic view of the collection box of the present invention;

FIG. 5 is an enlarged view of the structure at A of the present invention;

FIG. 6 is an enlarged view of the structure at B of the present invention;

the reference numbers in the figures illustrate: 1. isolating the pipe body; 101. a through groove; 102. a chute; 103. a slot; 104. a square groove; 2. a machine box; 201. a motor; 202. a cylinder; 203. an annular curved groove; 3. cleaning the block; 301. a cam; 302. a slider; 4. filtering with a screen; 5. a collection assembly; 501. a collection box; 502. pulling a handle; 503. a filtration pore; 504. a box door; 505. a waste inlet; 6. a warning box; 601. a rotating shaft; 602. a bevel gear A; 603. a round bar; 604. a rhombic warning mirror; 605. a middle shaft; 606. a bevel gear B; 607. a transmission gear A; 608. a chain; 609. a transmission gear B; 7. a slide bar; 701. a sharp nozzle; 702. a spring; 703. a limiting plate; 704. a warning board.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution:

an environment-friendly lake isolation device comprises an isolation tube body 1, an ultrasonic flowmeter is embedded in the isolation tube body 1, a mechanical box 2 is fixedly arranged at the front end of the lower right side of the isolation tube body 1, a motor 201 is arranged in the mechanical box 2, the output end of the motor 201 penetrates through the outer wall of the isolation tube body 1 to extend into the isolation tube body and is coaxially connected with a cylinder 202, an annular curve groove 203 is formed in the outer circumferential wall of the cylinder 202, a cleaning block 3 is arranged at the front side of the interior of the isolation tube body 1, a sliding block 302 is arranged in the middle of the upper side of the cleaning block 3, a slot 103 is formed in the front side of the outer wall of the isolation tube body 1, a filter screen 4 is inserted in the slot 103, an ultrasonic cleaning module is arranged in the side edge of the filter screen 4, the motor 201 is provided with a control module which responds to an output signal of the ultrasonic flowmeter and transmits the signal to the ultrasonic cleaning module, square grooves 104 are formed in the left side and the right side of the slot 103, and a collection assembly 5 is arranged in the square groove 104, the collecting component 5 comprises a collecting box 501, a pull handle 502 is arranged in the middle of the upper side of the collecting box 501, a plurality of filter holes 503 are uniformly arranged on the inner wall of the rear side of the interior of the collecting box 501, a box door 504 is hinged on the front side of the collecting box 501, a plurality of garbage inlets 505 are linearly and equidistantly arranged on the front side of the box door 504, a warning box 6 is fixedly arranged in the middle of the left end of the upper side of the isolating pipe body 1, a rotating shaft 601 is rotatably connected to the middle of the interior of the warning box 6, a helical gear A602 is sleeved on the lower end of the rotating shaft 601, a round rod 603 is arranged in the middle of the rotating shaft 601, the upper end of the rotating shaft 601 penetrates through the inner wall of the warning box 6 to extend to the outer wall and is welded with a rhombic warning mirror 604, a middle shaft 605 is rotatably connected to the middle of the left side of the warning box 6, the left end of the middle shaft 605 penetrates through the inner wall of the warning box 6 to extend to the exterior and is sleeved with a transmission gear A607, a sliding rod 7 is arranged in the middle of the left side of the warning box 6, a sharp mouth 701 is welded on the right end of the sliding rod 7, the left side of the sharp mouth 701 is provided with a spring 702, the left end of the sliding rod 7 is welded with a limiting plate 703, and the middle of the upper side of the limiting plate 703 is provided with a warning board 704 through a fixing column. The inseparable cooperation between the structure for the device has effectively aroused tourist's attention through rhombus warning mirror 604, and cooperation warning sign 704 warns passerby simultaneously, and the device effectively must arouse tourist's attention, has improved the effect that warns tourist's lake and has got danger area, has avoided the emergence that has the potential safety hazard.

Specifically, the middle of the bottom surface of the cleaning block 3 is welded with a cam 301, and the lower end of the cam 301 penetrates through the outer wall of a through groove 101 formed in the front side of the interior of the isolation pipe body 1 to extend to the interior and is in sliding connection with the annular curve groove 203. Through the design of the annular curved groove 203, the cleaning block 3 can move left and right on the surface of the filter screen 4 under the driving of the cam 301.

Furthermore, a sliding groove 102 is formed in the front side of the upper wall inside the isolation pipe body 1, and the sliding groove 102 is connected with the sliding block 302 in a sliding manner. The sliding block 302 can be effectively limited through the sliding groove 102, so that the cleaning block 3 can only move along the left and right movement tracks.

Still further, bevel gear B606 is sleeved at the right end of the central shaft 605, and bevel gear B606 is in meshed connection with bevel gear A602. The bevel gear B606 drives the bevel gear A602 to rotate, so that the rhombic warning mirror 604 rotates.

Furthermore, the round rod 603 is disposed in an inclined structure, and the lower end of the circumferential outer wall of the round rod 603 is slidably connected to the right end of the tip 701. Because the round rod 603 is of an ingenious design of an inclined structure, the sliding rod 7 can move left and right, and due to the design of the spring 702, the sharp mouth 701 is always in contact with the outer wall of the round rod 603, so that the warning board 704 can move left and right.

It should be noted that the transmission gear a607 is engaged with the chain 608 on the outer circumferential wall, and the lower end of the chain 608 is engaged with the transmission gear B609 that the left end of the cylinder 202 extends to the outside through the inside of the isolation tube body 1. The bevel gear B606 can be driven to rotate by the rotation of the cylinder 202 and the transmission gear B609, so that the middle shaft 605 is driven to rotate by the rotation of the transmission gear A607, and the bevel gear B606 is driven to rotate.

The working principle is as follows: when the environment-friendly lake isolation device is needed, the device is conveyed to an underwater isolation entrance of a lake, firstly, an output shaft of a motor 201 rotates, an output end of the motor 201 penetrates through the outer wall of an isolation tube body 1 to extend to the inside and is coaxially connected with a cylinder 202, the outer wall of the circumference of the cylinder 202 is provided with an annular curve groove 203, the middle part of the bottom surface of a cleaning block 3 is welded with a cam 301, the lower end of the cam 301 penetrates through the outer wall of a through groove 101 formed in the front side of the inside of the isolation tube body 1 to extend to the inside and is in sliding connection with the annular curve groove 203, the sliding groove 102 is matched with a sliding groove 102 formed in the front side of the upper wall of the inside of the isolation tube body 1, the sliding groove 102 is in sliding connection with a sliding block 302, the sliding block 302 can be effectively limited through the sliding groove 102, so that the cleaning block 3 can move left and right on the surface of a filter screen 4 under the driving of the cam 301 through the design of the annular curve groove 203, and meanwhile, a warning box 6 is fixedly arranged in the middle position of the left end of the upper side of the isolation tube body 1, the middle position in the warning box 6 is rotatably connected with a rotating shaft 601, the lower end of the rotating shaft 601 is sleeved with a bevel gear A602, the middle part on the left side of the warning box 6 is rotatably connected with a middle shaft 605, the left end of the middle shaft 605 passes through the inner wall of the warning box 6 to extend to the outside and is sleeved with a transmission gear A607, the outer circumferential wall of the transmission gear A607 is engaged and connected with a chain 608, the lower end of the chain 608 is engaged and connected with a transmission gear B609, which passes through the inside of the isolation tube body 1, at the left end of the cylinder 202, extends to the outside and is sleeved, so that the cylinder 202 can rotate, the transmission gear B609 is driven to rotate, the middle shaft 605 is driven to rotate through the rotation of the transmission gear A607, the bevel gear B606 is driven to rotate, the bevel gear B606 is engaged and connected with the bevel gear A602, the, thereby the rhombic warning mirror 604 rotates, and the round rod 603 is driven to rotate because the middle part of the rotating shaft 601 is provided with the round rod 603, the round rod 603 is arranged in an inclined structure, the lower end of the circumferential outer wall of the round rod 603 is connected with the right end of the sharp mouth 701 in a sliding way, the sliding rod 7 can move left and right because the round rod 603 is designed in an inclined structure skillfully, the spring 702 is designed, the sharp mouth 701 is always contacted with the outer wall of the round rod 603, thereby the warning board 704 can move left and right, meanwhile, the left and right sides of the slot 103 are provided with the square grooves 104, the square grooves 104 are internally provided with the collecting component 5, the collecting component 5 comprises a collecting box 501, the middle part of the upper side of the collecting box 501 is provided with a pull handle 502, the inner wall of the rear side of the inner part of the collecting box 501 is provided with a plurality of filter holes 503 which are uniformly arranged, the front side of the collecting box 501 is hinged with a box door 504, the front side of the box door 504 is provided with a plurality of garbage inlets 505 which are linearly arranged at equal intervals, garbage such as dirt can be collected in the collecting box 501, the garbage can be poured out by pulling the handle 502 without replacing and cleaning the filter screen 4 every time, after the device is used for a period of time, because lake sludge has thixotropy, the structure and the strength of the lake sludge can be automatically restored after being stressed and damaged, the lake sludge is very easy to adhere to the filter screen to block the filter screen, the lake sludge cannot be effectively cleaned only by moving the cleaning block 3, at the moment, an ultrasonic flowmeter embedded in the isolation pipe body 1 detects that the flow speed in the pipe body 1 is smaller than the lowest value of the historical detection flow speed of the lake, the signal is transmitted to the control module, the control module controls the ultrasonic cleaner to be opened, the control module controls the output shaft of the motor 201 to stop rotating, through a high-frequency oscillation signal sent by the ultrasonic cleaner, the water body near the pipe body generates a 'cavitation effect', the sludge adhering to the filter screen is removed through impact waves generated by the water body, after the filter screen is peeled, the ultrasonic flowmeter arranged in the isolation pipe body 1 in an embedded mode detects that the flow rate in the pipe body 1 is restored to be within a normal numerical range, the ultrasonic flowmeter transmits the signal to the control module, the control module controls the ultrasonic cleaner to be closed, the control module controls the output shaft of the motor 201 to continue rotating, and the device is restored to be normal. The invention adopts the existing waterproof material and sealing technology, and has good waterproofness.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an environment-friendly lake isolating device, includes isolation body (1), its characterized in that: the front end of the right lower side of the isolation pipe body (1) is fixedly provided with a mechanical box (2), the isolation pipe body (1) is embedded with an ultrasonic flowmeter, a motor (201) is arranged in the mechanical box (2), the output end of the motor (201) penetrates through the outer wall of the isolation pipe body (1) to extend to the inside and is coaxially connected with a cylinder (202), the outer wall of the circumference of the cylinder (202) is provided with an annular curve groove (203), the front side of the inside of the isolation pipe body (1) is provided with a cleaning block (3), the middle part of the upper side of the cleaning block (3) is provided with a sliding block (302), the front side of the outer wall of the isolation pipe body (1) is provided with a slot (103), a filter screen (4) is inserted in the slot (103), an ultrasonic cleaner is arranged in the side of the filter screen (4), the motor (201) is provided with a control module, and the, the left side and the right side of the slot (103) are both provided with a square groove (104), the inside of the square groove (104) is provided with a collection assembly (5), the collection assembly (5) comprises a collection box (501), the middle part of the upper side of the collection box (501) is provided with a pull handle (502), the inner wall of the rear side inside the collection box (501) is uniformly provided with a plurality of filter holes (503), the front side of the collection box (501) is hinged with a box door (504), the front side of the box door (504) is provided with a plurality of linear and equidistant garbage inlets (505), the middle position of the left end of the upper side of the isolation pipe body (1) is fixedly provided with a warning box (6), the middle position inside the warning box (6) is rotatably connected with a rotating shaft (601), the lower end of the rotating shaft (601) is sleeved with a bevel gear A (602), the middle part of the rotating shaft (601) is provided with a round rod (603), the upper end of the rotating shaft (601) penetrates through the inner wall of the warning box (6) and extends to the outer wall and is welded with a rhombic warning mirror (604), warning case (6) left side middle part is rotated and is connected with axis (605), axis (605) left end passes warning case (6) inner wall and extends to the outside and has cup jointed drive gear A (607), warning case (6) left side middle part is equipped with slide bar (7), slide bar (7) right-hand member passes warning case (6) outer wall and extends to inside and weld sharp mouth (701), sharp mouth (701) left side is equipped with spring (702), slide bar (7) left end welding has limiting plate (703), limiting plate (703) upside middle part is equipped with warning sign (704) through the fixed column.

2. The environment-friendly lake isolation device of claim 1, wherein: the welding of clearance piece (3) bottom surface middle part has cam (301), cam (301) lower extreme passes isolation body (1) inside front side and opens logical groove (101) outer wall and extends to inside and with annular curve groove (203) sliding connection.

3. The environment-friendly lake isolation device of claim 1, wherein: the front side of the inner upper wall of the isolation pipe body (1) is provided with a sliding groove (102), and the sliding groove (102) is connected with a sliding block (302) in a sliding manner.

4. The environment-friendly lake isolation device of claim 1, wherein: the right end of the middle shaft (605) is sleeved with a bevel gear B (606), and the bevel gear B (606) is in meshed connection with the bevel gear A (602).

5. The environment-friendly lake isolation device of claim 1, wherein: round bar (603) are the slope structure setting, round bar (603) circumference outer wall lower extreme with sharp mouth (701) right-hand member sliding connection.

6. The environment-friendly lake isolation device of claim 1, wherein: the outer wall of the circumference of the transmission gear A (607) is connected with a chain (608) in a meshing manner, and the lower end of the chain (608) is connected with a transmission gear B (609) which penetrates through the isolation tube body (1) and extends to the outside in a sleeved manner in a meshing manner.