CN112726777A

CN112726777A - Decontamination equipment for municipal drainage pipeline port

Info

Publication number: CN112726777A
Application number: CN202011611837.1A
Authority: CN
Inventors: 林碧云
Original assignee: Guangzhou Xiangzhen E Commerce Co ltd
Current assignee: Li Sanyuan
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-30

Abstract

The invention discloses a decontamination device for municipal drainage pipeline openings, which structurally comprises a water inlet, an operation box, a connecting flange, a bracket, a drain outlet and a drain valve, wherein the water inlet is fixedly connected with the operation box, the operation box and the connecting flange are fixedly connected with each other in an embedded manner, the bracket and the operation box are of an integrated structure, the drain outlet is fixedly connected with the operation box in an embedded manner, and the drain valve is mechanically connected with the operation box. The flow speed of the discharged water passing through the filter screen is reduced, so that the impact force of the discharged water on the filter screen is reduced.

Description

Decontamination equipment for municipal drainage pipeline port

Technical Field

The invention relates to the field of municipal gardens, in particular to a decontamination and purification device for a municipal drainage pipeline port.

Background

The sewage removal and purification equipment for the municipal drainage pipeline opening is called a pipeline filter and can be divided into vertical sewage removal and purification equipment and horizontal sewage removal and purification equipment according to different pipelines, and the vertical sewage removal and purification equipment can be divided into vertical straight-through sewage removal and purification equipment, vertical angle-through sewage removal and purification equipment and the like;

in prior art, the scrubbing clarification plant of drain pipe mouth filters the impurity in the drainage through the inside filter screen of equipment, and equipment during operation, the drainage is filtered and can be produced the impact force, and the produced impact force of drainage is used on the filter screen, can let the link between the net of filter screen and the net slope that drops for the filter screen warp, thereby lead to the filtration aperture grow of filter screen, impurity such as mud in the drainage can't be filtered completely to equipment.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the structure of the decontamination and purification equipment for the municipal drainage pipeline port comprises a water inlet, an operation box, a connecting flange, a support, a drain outlet and a drain valve, wherein the water inlet is fixedly connected with the operation box;

the operation box is equipped with box, locating piece, movable rod, filter, fly leaf, the center and the filter mechanical connection of box, the locating piece passes through loose axle and filter swing joint, the movable rod is connected with the outside one side activity block of filter, fly leaf and the inside one side block of filter are connected.

As the further optimization of the technical scheme, the filter is provided with a filter body, a buffer net, a filter screen and a fluid director, the center of the filter body is fixedly connected with the filter screen, the periphery of the filter screen is movably connected with the buffer net through a movable shaft, the fluid director is mechanically connected with the wall bodies on two sides of the filter body, and cylinders connected with the buffer net are arc-shaped cylinders which are spliced into an arched filter structure.

As a further optimization of the technical proposal, the buffer net is provided with an assembly shaft, a flow block, a groove body, a filtering buffer body, a turnover shaft and a flow cavity, the assembly shaft and the tank body are of an integrated structure, the center of the flow block is movably connected with the tank body through a movable shaft, the junction of the flow block and the flow block is mechanically connected with an assembly shaft, the combined hollow-out part of the assembly shaft is connected with the turnover shaft in a clamping way, the assembly shaft is embedded with the flowing cavity, the flowing block is of a hollow circular truncated cone structure, a spiral notch is formed in the wall body of the inner side of the circular truncated cone of the flowing block, the groove body is an inclined flowing groove, the surface of the groove wall is provided with an arc-shaped convex block structure, the shaft bodies of the assembling shafts are mutually and vertically connected, the connected gap is a filtering groove opening, the surface of the flow cavity is provided with a through hole, and a flowing hollow-out opening is arranged on the side surface of the flow cavity facing the filtering opening, and an inclined flowing opening is arranged at one end of the flow cavity close to the filtering opening.

As a further optimization of the technical scheme, the trip shaft is movably clamped at the edge of the assembly shaft at the transverse end, arc-shaped blocks extend out of two sides of the trip shaft, polygonal hollowed-out notches are formed in the arc-shaped blocks extending from the trip shaft, barbs are arranged on the inner sides of the hollowed-out notches of the trip shaft, one end of each hollowed-out notch formed in the extending structure end of the trip shaft is close to the outer side of the extending structure, and the other end of each hollowed-out notch is arranged on the inner side of the extending structure.

As a further optimization of the technical scheme, the filtering buffer body is provided with a rotating block, a shell, a fluid guiding body, a slotted hole, a rotating block and a sweeping block, the top of the rotating block is fixedly connected with the rotating block, the lower end of the rotating block is fixedly connected with the sweeping block, the fluid guiding body is welded with the edge close to the shell, the shell and the slotted hole are of an integrated structure, a wavy arc-shaped notch is formed in the rotating block, the front end of the rotating block is of a spherical structure, the spherical structure of the rotating block is attached to the fluid guiding body, the fluid guiding body is a downward-inclined arc surface, the sweeping block is an arc-shaped block, circular hollowed-out openings are formed in the arc-shaped block, the shell is provided with circular notches in an equidistant manner, and the distribution distance of the hollowed-out openings in the fluid guiding body is consistent with the circular notches.

As a further optimization of the technical proposal, the fluid director is provided with a composition plate, a buckling block, a shaking block, a pushing block, a stirrer, a fluid director and a turnover plate, the combination board is movably clamped with the arc-shaped port of the turnover board, the swinging block is clamped and connected with the turnover board through a movable shaft, the two sides of the combination board are mechanically connected with the pushing block, the flow guide body and the turnover board are of an integrated structure, the stirrer is mechanically connected with the turnover plate at two sides of the flow guide body, the buckling block is fixedly connected with the turnover plate above the stirrer, the swing block is of an S-shaped structure, the flow guide body is of a cylindrical cavity structure, the inner part of the flow guide body is attached to the extending convex edge of the edge end of the cylinder, the bulge is smaller and smaller from the outside to the inside in diameter to form a ladder shape, one inward side of the flow guide body is an inclined notch, and the pushing block is of a structure formed by mutually sliding and connecting two cylinders through a movable shaft.

As a further optimization of the technical scheme, the agitator is provided with a rotating body, a sliding block, a contact block, a knob block, a slide way, a connecting column, a brace, a fixed seat and a clamping block, wherein the rear end of the rotating body is in clearance fit with the sliding block, two sides of the clamping block are movably clamped with the rotating body, the brace is fixedly connected with the lower end of the clamping block, the connecting column and the sliding block are of an integrated structure, the brace is movably connected with the fixed seat through a movable shaft, the knob block is fixedly connected with one side, upwards, of the connecting column, the contact block is welded on two sides of the knob block, the slide way is in sliding connection with the connecting column, a spiral notch is formed in the surface of the knob block, and springs are.

As the further optimization of the technical scheme, the front end of the sliding block is of a semicircular arc-shaped strip structure, the tail end of the sliding block is of a fan-shaped structure provided with a hollowed-out net, a movable small ball is arranged inside the fan-shaped structure at the tail end of the sliding block, the surface of the arc-shaped strip at the front end of the sliding block is in clearance fit with the rotating body, the outer side of the rotating body is of a hemispherical structure provided with a protruding block and a notch on the surface, and the inner side of the rotating body is movably clamped with the clamping block.

Advantageous effects

Compared with the prior art, the decontamination and purification equipment for the municipal drainage pipeline port has the following advantages:

1. the cylinders connected with the buffer net are all arc-shaped cylinders, the arc-shaped cylinders are spliced into an arch-shaped filtering structure, the arch-shaped structure has compressive resistance, when the impact force of drainage is applied to the filtering net, the filtering net cannot be easily deformed, the assembly shaft of the filtering net is provided with the turnover shaft, the hollow-out openings arranged on the extension structures at two sides of the turnover shaft are differently arranged, the contact surface of the drainage applied to the turnover shaft is different, the impact force of the drainage can push the turnover shaft to rotate, the flow velocity of the drainage passing through the filtering net is reduced, and therefore the impact force brought to the filtering net by the drainage is relieved.

2. The filter holes of the invention are mainly square holes formed by splicing the assembly shafts and a circular filter buffer body, the filter hole structures of the equipment are inconsistent, the sizes of flow columns of drained water passing through the filter holes are different, the impact force of the drained water can be dispersed, so that the impact force of the drained water is reduced, the rotating block can drive the rotating block to rotate in the rotating process, the drained liquid can pass through the notches of the rotating block and the rotating block when contacting the rotating block and the rotating block, the buffering of the drained water is realized, the flow speed is reduced, the impact force applied to the filter equipment by the drained water is reduced, the filter structure cannot be easily deformed, the filter hole diameter is enlarged, and the filter effect cannot be achieved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view showing the overall structure of a municipal drainage pipe orifice decontamination apparatus of the present invention.

Fig. 2 is a schematic structural diagram of the operation box of the invention.

Fig. 3 is a schematic view of the filter structure of the present invention.

Fig. 4 is a schematic view of a buffer net structure according to the present invention.

FIG. 5 is a schematic view of the filtering buffer according to the present invention.

Fig. 6 is a schematic view of the structure of the flow deflector of the present invention.

FIG. 7 is a schematic view of the agitator of the present invention

In the figure: the device comprises a water inlet 1, an operation box 2, a connecting flange 3, a bracket 4, a sewage draining outlet 5, a sewage draining valve 6, a box body 2a, a positioning block 2b, a movable rod 2c, a filter 2d, a movable plate 2e, a device body d1, a buffer net d2, a filter net d3, a fluid director d4, an assembly shaft d21, a flow block d22, a groove body d23, a filter buffer body d24, a turnover shaft d25, a flow cavity d26, a rotation block 241, a shell 242, a flow guide body 243, a slotted hole 244, a rotation block 245, a sweeping block 246, a combination plate d41, a butting block d42, a shaking block d43, a pushing block d44, an agitator d45, a flow guide body d46, a turnover plate d47, a rotation body 451, a sliding block 452, a contact block 453, a knob block 454, a slideway 455, a connecting column 456, a brace 457, a.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Example one

Referring to fig. 1-5, the structure of the decontamination and purification equipment for the municipal drainage pipeline opening comprises a water inlet 1, an operation box 2, a connecting flange 3, a bracket 4, a drain outlet 5 and a drain valve 6, wherein the water inlet 1 is fixedly connected with the operation box 2, the front end of the operation box 2 is fixedly connected with the connecting flange 3, the bracket 4 and the operation box 2 are of an integrated structure, the drain outlet 5 is fixedly connected with the lower end of the operation box 2, and the drain valve 6 is mechanically connected with the rear end of the operation box 2;

the operation box 2 is equipped with box 2a, locating piece 2b, movable rod 2c, filter 2d, fly leaf 2e, the center and the filter 2d mechanical connection of box 2a, locating piece 2b passes through loose axle and filter 2d swing joint, the outside one side activity block of movable rod 2c and filter 2d, the inside one side block of fly leaf 2e and filter 2d is connected.

2d of filter is equipped with the ware body d1, buffering net d2, filter screen d3, divertor d4, the center and the filter screen d3 of ware body d1 are inlayed and are connected, the periphery of filter screen d3 is through loose axle and buffering net d2 swing joint, divertor d4 and ware d 1's both sides wall body mechanical connection, the cylinder that the buffering net is connected all is the arc post, splices into arched filtering structure through the arc post, and the arch structure has the crushing resistance, can be fine the impact force that the resistance drainage brought.

The buffer net d2 is provided with an assembly shaft d21, a flow block d22, a groove body d23, a filtering buffer body d24, an overturning shaft d25 and a flow cavity d26, the assembly shaft d21 and the groove body d23 are of an integrated structure, the center of the flow block d22 is movably connected with the groove body d23 through a movable shaft, the junction of the flow block d22 and the flow block d22 is mechanically connected with the assembly shaft d21, the combined hollow part of the assembly shaft d21 is connected with the overturning shaft d25 in a clamping manner, the assembly shaft d21 is embedded with the flow cavity d26, the flow block d22 is of a hollow circular truncated cone structure, a spiral notch is arranged on the wall body on the inner side of the circular truncated cone of the flow block d22, the groove body d23 is an inclined flow groove, an arc-shaped protruding block structure is arranged on the surface of the groove wall of the groove, the assembly shaft d21 is vertically connected with a gap of the filtering groove, a through hole is arranged on the surface of the flow cavity d26 facing the side surface of the filtering groove, one end of the flow cavity d26, which is close to the filtering port, is provided with an inclined flow port, and the impact force caused by drainage is relieved by guiding and draining water through the spiral cavity.

The overturning shaft d25 is movably clamped at the edge of the assembling shaft d21 at the transverse end, arc-shaped blocks extend from two sides of the overturning shaft d25, polygonal hollow notches are formed in the arc-shaped blocks extending from the overturning shaft d25, barbs are arranged on the inner sides of the hollow notches of the overturning shaft d25, one end of each hollow notch formed in the extending structure end of the overturning shaft d25 is close to the outer side of the extending structure, and the other end of each hollow notch is arranged on the inward side of the extending structure.

The flow guider d4 is provided with a combination plate d41, a buckling block d42, a shaking block d43, a pushing block d44, an agitator d45, a flow guide body d46 and a turning plate d47, the combination plate d41 is movably clamped with an arc port of the turning plate d47, the shaking block d43 is clamped and connected with the turning plate d47 through a movable shaft, two sides of the combination plate d41 are mechanically connected with the pushing block d44, the flow guide body d46 and the turning plate d47 are of an integrated structure, the agitator d45 and two sides of the flow guide body d46 are mechanically connected with the turning plate d47, the buckling block d42 is fixedly connected with the turning plate d47 above the agitator d45, the rotating block 241 is provided with a wavy arc-shaped notch, the front end of the 243 rotating block 245 is of a spherical structure, the spherical structure of the rotating block 245 is attached to the flow guide body, the flow guide body is an arc surface, the sweeping block is an arc-shaped block, and a circular hollow arc-shaped block 246 is arranged on the flow guide body, circular notches are equidistantly distributed on the shell 242, and the distribution intervals of the hollow holes on the fluid guide 243 are consistent with the circular notches of the shell 242, so that the impact force caused by water drainage is further reduced.

The power supply is started, the sewage in the pipeline enters from the water inlet 1 and comes to the filter screen d3, impurities are filtered by the filter screen d3, when the liquid passes through the filter screen d3, the liquid is contacted with the turnover shaft d25, the rotation of the turnover shaft d25 is pushed by impact force, the turnover shaft d25 rotates along the assembly shaft d21, energy is consumed, and the liquid is covered in a large area, when the liquid contacts the flow cavity d26, a movable ball is firstly arranged in the flow cavity d26, when the liquid passes through the flow cavity d26, the impact force is acted on the movable ball, when the liquid flows out from a notch on the side surface of the flow cavity d26, the liquid passes through an inclined notch on the flow cavity d26 and flows into the filter hole from an inclined end, meanwhile, the liquid passes through the flow block d22 and slides to the groove body d23 along a thread groove on the inner wall of the flow block d22 and then passes through a convex block of the groove body d23 to be shunted, the buffer body d24 for, at this time, the liquid flows onto the slot 244 along the inclined end of the guide fluid 243, and flows out from the slot 244 for filtration, the rotating block 241 rotates along the movable shaft of the housing 242, during the rotation, the rotating block 241 pushes the rotating block 245 to rotate, the liquid passes through the wave slot on the rotating block 241 and the slot on the rotating block 245, so that the impact force brought by the liquid can be further realized, the sweeping block 246 also rotates along with the rotating block 241, the slot on the sweeping block 246 is staggered with the slot 244 and then overlapped, the energy of the impact force is consumed, and the impact force of the liquid is reduced.

Example two

Referring to fig. 1-7, the structure of the decontamination and purification equipment for the municipal drainage pipeline opening comprises a water inlet 1, an operation box 2, a connecting flange 3, a bracket 4, a drain outlet 5 and a drain valve 6, wherein the water inlet 1 is fixedly connected with the operation box 2, the front end of the operation box 2 is fixedly connected with the connecting flange 3, the bracket 4 and the operation box 2 are of an integrated structure, the drain outlet 5 is fixedly connected with the lower end of the operation box 2, and the drain valve 6 is mechanically connected with the rear end of the operation box 2;

The agitator d45 is provided with a rotating body 451, a sliding block 452, a contact block 453, a knob block 454, a slideway 455, a connecting column 456, a brace 457, a fixed seat 458 and a fixture 459, the rear end of the rotating body 451 is in clearance fit with the sliding block 452, two sides of the fixture 459 are movably clamped with the rotating body 451, the brace 457 is fixedly connected with the lower end of the fixture 459, the connecting column 456 and the sliding block 452 are of an integrated structure, the brace 457 is movably connected with the fixed seat 458 through a movable shaft, the knob block 454 is fixedly connected with the upward side of the connecting column 456 in an embedded manner, the contact block 453 is welded on two sides of the knob block 454, the slideway 455 is in sliding connection with the connecting column 456, a spiral notch is formed in the surface of the knob block 454, springs are arranged at the bottom edge of the knob block 454 and inside the brace 457.

The front end of the sliding block 452 is of a semicircular arc-shaped strip structure, the tail end of the sliding block 452 is of a fan-shaped structure provided with a hollowed-out net, a movable small ball is arranged inside the fan-shaped structure at the tail end of the sliding block 452, the surface of the arc-shaped strip at the front end of the sliding block 452 is in clearance fit with the rotating body 451, a hemisphere structure with a protruding block and a notch arranged on the surface is arranged on one side, facing outwards, of the rotating body 451, the inward side of the rotating body is movably clamped with the clamping block 459, when the equipment rotates, drainage penetrates through the inside of the equipment, the movable small ball is pushed to move, and.

Based on the first embodiment, the fluid director d4 is installed, the inner cylinder of the pushing block d44 slides upwards along the arc edge of the outer cylinder, so that the combined plate d41 inclines towards the filtering structure of the device, liquid is guided to the filtering structure along the inclination when passing through the fluid director d4, the liquid flows along the ladder structure of the fluid director d46 when passing through the fluid director d46, the flow rate of the liquid is reduced, and thus the impact force of the liquid on the filtering structure is reduced, meanwhile, the impact force of the liquid on the swinging block d43 pushes the swinging block d43 to rotate, meanwhile, the connecting column 456 slides inwards along the slideway 455, the sliding block 452 turns over therewith, the liquid pushes the small balls in the sliding block 452 to move, and when the sliding block 452 turns upwards, the pulling bar 457 is pulled, the pulling bar 457 is connected to the fixed seat 458, cannot turn over along with the sliding block 452, and is under the traction force of the pulling bar 457, the rotating body 451 is dragged by the fixture block 459 to rotate, liquid is stirred to slow down the flow rate of the liquid, the sliding block 452 continuously turns over, the contact block 453 on the connecting column 456 abuts against the abutting block d42, the contact block 453 tilts to drag the knob block 454 to rotate, and the surface of the knob block 454 is provided with a spiral notch, so that the impact force generated when the liquid flows can be further slowed down.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a scrubbing clarification plant of municipal administration sewer line mouth which characterized in that: the structure of the device comprises a water inlet (1), an operation box (2), a connecting flange (3), a support (4), a drain outlet (5) and a drain valve (6), wherein the water inlet (1) is fixedly connected with the operation box (2), the front end of the operation box (2) is fixedly connected with the connecting flange (3), the support (4) and the operation box (2) are of an integrated structure, the drain outlet (5) is fixedly connected with the lower end of the operation box (2), and the drain valve (6) is mechanically connected with the rear end of the operation box (2);

operation box (2) are equipped with box (2a), locating piece (2b), movable rod (2c), filter (2d), fly leaf (2e), the center and filter (2d) mechanical connection of box (2a), locating piece (2b) are through loose axle and filter (2d) swing joint, movable rod (2c) and the outside one side activity block of filter (2d), fly leaf (2e) and the inside one side block of filter (2d) are connected.

2. The municipal drainage pipe orifice decontamination apparatus of claim 1, wherein: filter (2d) is equipped with the ware body (d1), buffering net (d2), filter screen (d3), divertor (d4), the center and the filter screen (d3) of ware body (d1) are embedded and are connected, the periphery of filter screen (d3) is through loose axle and buffering net (d2) swing joint, both sides wall body mechanical connection of divertor (d4) and ware body (d1), the cylinder that buffering net (d2) connected all is the arc post, splices into arched filtering structure through the arc post.

3. The municipal drainage pipe orifice decontamination apparatus of claim 2, wherein: the buffer net (d2) is provided with an assembly shaft (d21), a flow block (d22), a groove body (d23), a filter buffer body (d24), a turnover shaft (d25) and a flow cavity (d26), the assembly shaft (d21) and the groove body (d23) are of an integrated structure, the center of the flow block (d22) is movably connected with the groove body (d23) through the movable shaft, the junction of the flow block (d22) and the flow block (d22) is mechanically connected with the assembly shaft (d21), the combination hollow-out part of the assembly shaft (d21) is connected with the turnover shaft (d25) in a clamping mode, and the assembly shaft (d21) is embedded with the flow cavity (d 26).

4. The municipal drainage pipe orifice decontamination apparatus of claim 3, wherein: the overturning shaft (d25) is movably clamped at the edge of the assembly shaft (d21) at the transverse end, and arc-shaped blocks extend out of two sides of the overturning shaft (d 25).

5. The municipal drainage pipe orifice decontamination apparatus of claim 3, wherein: it is equipped with rotatory piece (241), casing (242), drainage body (243), slotted hole (244), turning block (245), sweeps piece (246) to filter buffering body (d24), the top and the turning block (245) of rotatory piece (241) are embedded and are connected, the lower extreme and the sweeping block (246) fixed connection of rotatory piece (241), draw fluid (243) and the edge welded connection who is close to casing (242), casing (242) and slotted hole (244) are the integral structure, be equipped with wavy arc notch on rotatory piece (241), turning block (245) front end is the sphere structure, the sphere structure laminating of turning block (245) is on drainage body (243).

6. The municipal drainage pipe orifice decontamination apparatus of claim 2, wherein: the fluid director (d4) is provided with a combination plate (d41), a retaining block (d42), a shaking block (d43), a pushing block (d44), an agitator (d45), a fluid director (d46) and a turning plate (d47), the combined plate (d41) is movably clamped with the arc-shaped port of the turnover plate (d47), the swinging block (d43) is clamped and connected with the turnover plate (d47) through a movable shaft, the two sides of the combination plate (d41) are mechanically connected with the pushing block (d44), the guide body (d46) and the turnover plate (d47) are of an integrated structure, the agitator (d45) is mechanically connected with the turnover plate (d47) at two sides of the flow guide body (d46), the block (d42) is embedded and connected with the turnover plate (d47) above the agitator (d45), the swing block (d43) is of an S-shaped structure, the flow guide body (d46) is of a cylindrical cavity structure, and a protruding edge extends out of the inner portion of the flow guide body (d46) and is attached to the edge end of the cylinder.

7. The municipal drainage pipe orifice decontamination apparatus of claim 6, wherein: the agitator (d45) is provided with a rotating body (451), a sliding block (452), a contact block (453), a knob block (454), a slide rail (455), a connecting column (456), a brace (457), a fixed seat (458) and a clamping block (459), the rear end of the rotating body (451) is in clearance fit with the sliding block (452), two sides of the clamping block (459) are movably clamped with the rotating body (451), the brace (457) is fixedly connected with the lower end of the clamping block (459), the connecting column (456) and the sliding block (452) are of an integrated structure, the brace (457) is movably connected with the fixed seat (458) through a movable shaft, the knob block (454) is fixedly connected with the connecting column (456) on the upward side, the contact block (453) is welded on two sides of the knob block (454), and the slide rail (455) is connected with the connecting column (456) in.

8. The municipal drainage pipe orifice decontamination apparatus of claim 7, wherein: the front end of the sliding block (452) is of a semicircular arc-shaped strip structure, the tail end of the sliding block is of a fan-shaped structure provided with a hollow net, and a movable small ball is arranged inside the fan-shaped structure at the tail end of the sliding block (452).