CN218280480U - Single table tennis amusement equipment - Google Patents

Abstract

The application relates to the field of table tennis sports, in particular to single-person table tennis amusement equipment which comprises a table body and an automatic pitching machine, wherein the automatic pitching machine comprises a collecting seat detachably connected to the end part of the table body and a pitching machine body arranged on the collecting seat, and the table body comprises an installation frame arranged on the ground and a table top arranged on the installation frame; a pipeline recovery system for recovering table tennis balls is arranged between the mounting rack and the table top; one end of the pipeline recovery system is communicated with the two sides of the table top and used for collecting the table tennis balls on the two sides of the table top, and the other end of the pipeline recovery system is communicated with the collecting seat so as to convey the collected table tennis balls to the automatic pitching machine. This application has the mode that improves traditional single table tennis exercise table and need artifical this kind of comparison of retrieving the ball of falling and consume the human cost, guarantees the clean and tidy degree of user's surrounding environment when using as far as simultaneously, reduces the effect such as probability that the user stumbled by the ball of falling.

Description

Single table tennis amusement equipment

Technical Field

The application relates to the field of table tennis, in particular to single table tennis amusement equipment.

Background

The table tennis is a sport suitable for all ages and is popular with the public. The traditional table tennis sport is double or multi-person sport. With the development of the society, automatic ball pitching machines appear in the market, in order to realize that a single person can also play ping-pong balls, the automatic ball pitching machine is combined with a ping-pong table to realize a single person and ping-pong ball movement mode, specifically, the automatic ball pitching machine is arranged at one end of the ping-pong table, and the automatic ball pitching machine projects ping-pong balls to the other end of the ping-pong table, and people only need to stand at the end without the automatic ball pitching machine to receive the ping-pong balls projected by the automatic ball pitching machine, so that the single person can play ping-pong balls.

The automatic ball throwing machine installed at the end part of the table tennis table comprises a collecting seat and a ball throwing machine body installed at one end of the collecting seat far away from the table tennis table. The collecting seat is internally provided with a plurality of table tennis balls for the pitching machine to shoot, the pitching machine can shoot the table tennis balls in sequence, a user can hit the balls shot by the pitching machine body back, and the table tennis balls can fall to the ground from all directions and cannot be hit back into the collecting seat in the process that the user hits the balls back. The table tennis balls dropped on the ground usually need to be collected manually and then placed in the collecting seat for subsequent use, and the manual ball collecting mode is very inconvenient to operate and can cause waste of labor cost; and the falling balls scattered on the ground not only increase the risk of stumbling on the falling balls for users, but also influence the use feeling of the users.

SUMMERY OF THE UTILITY MODEL

In order to reduce the complexity of manually placing the falling balls in the collecting seat and reduce the labor cost; meanwhile, the tidiness of the surrounding environment of a user in use is guaranteed as far as possible, the probability that the user is stumbled by falling balls is reduced, and the single table tennis amusement equipment is provided.

The application provides a single table tennis amusement equipment adopts following technical scheme:

the utility model provides a single table tennis amusement equipment, includes the table body and automatic pitching machine, automatic pitching machine is including dismantling to be connected the collection seat of table body tip and install pitching machine body on the collection seat, its characterized in that: the table body comprises a mounting frame placed on the ground and a table top placed on the mounting frame; a pipeline recovery system for recovering table tennis balls is arranged between the mounting rack and the table top; one end of the pipeline recovery system is communicated with the two sides of the table top and used for collecting the table tennis balls on the two sides of the table top, and the other end of the pipeline recovery system is communicated with the collecting seat so as to convey the collected table tennis balls to the automatic pitching machine.

By adopting the technical scheme, the automatic pitching machine can realize a single-person entertainment mode of table tennis sports, a plurality of table tennis balls are placed in the collecting seat to supply balls for the pitching machine body, and the continuous work of the automatic pitching machine is realized; the desktop is detachably connected with the collecting seat, so that the automatic pitching machine can be conveniently replaced or the mode can be converted into a double-person or multi-person mode. The pipeline recovery system can recover the table tennis returned by the user and transport the table tennis to the automatic ball shooting machine again for subsequent use, so that the problem that the traditional single table tennis practice table needs to collect the fallen balls manually is solved, the labor cost is reduced, and the probability that the user is stumbled during entertainment is also reduced.

Optionally, two side plates are mounted on the desktop; the two side plates are oppositely arranged along the length direction of the table top.

Through adopting above-mentioned technical scheme, two curb plates can prolong the width of desktop, reduce the probability that the table tennis that beats back drops from the desktop.

Optionally, the heights of the two side plates are gradually reduced from one end far away from the table top to one end close to the table top, and a collecting space for collecting table tennis balls is formed between each side plate and the table top.

Through adopting above-mentioned technical scheme, two curb plates all incline to the desktop direction, can make the table tennis that drops on the curb plate glide under the action of gravity to fall into in collecting the space, the follow-up collection of being convenient for.

Optionally, the pipeline recovery system includes a main recovery pipe installed at the bottom of the mounting rack, a secondary recovery pipe connected between the main recovery pipe and the collecting seat, and a driving device for driving the falling balls to be conveyed into the collecting seat along the main recovery pipe and the secondary recovery pipe; the collecting spaces positioned on the two sides of the tabletop are communicated to the main recovery pipe.

Through adopting above-mentioned technical scheme, the ball in collection space can get into main recovery tube to get into along vice recovery tube and collect the seat under drive arrangement's effect, for follow-up use.

Optionally, the secondary recovery pipe is communicated to one end of the primary recovery pipe, and the height of the primary recovery pipe gradually decreases from one end far away from the secondary recovery pipe to one end close to the secondary recovery pipe.

Through adopting above-mentioned technical scheme, the table tennis that gets into main recovery tube can move to the direction of vice recovery tube under the action of gravity, and in getting into vice recovery tube, later along vice recovery tube entering collection seat again.

Optionally, the driving device is a blower, the blower is mounted on the mounting frame, and an air outlet of the blower is connected with a ventilation pipe; the ventilation pipe is communicated with the auxiliary recovery pipe and arranged at an acute angle with one side of the auxiliary recovery pipe close to the main recovery pipe.

Through adopting above-mentioned technical scheme, the air-blower ventilation pipe is acute angle setting with one side that vice recovery tube is close to main recovery tube and makes the air-blower produce suction to the table tennis that moves main recovery tube and vice recovery tube junction, inhales the table tennis in vice recovery tube, and the rethread air-blast blows in the collection seat with the table tennis along vice recovery tube.

Optionally, each side plate is fixedly connected with a communicating pipe communicated with the collecting space, and one end of the communicating pipe, which is far away from the collecting space, is communicated with the main recovery pipe.

Through adopting above-mentioned technical scheme, the table tennis that gets into in the collection space can follow in communicating pipe gets into main recovery pipe, carries out follow-up collection again.

Optionally, a collecting groove is formed in one side of each side plate facing the table top; the collecting groove is the collecting space; the depth of the collecting groove gradually increases from one end far away from the communicating pipe to one end close to the communicating pipe.

By adopting the technical scheme, the table tennis balls which are convenient to enter the collecting tank can enter the communicating pipe along the collecting tank under the action of gravity and enter the main recovery pipe.

Optionally, the main recycling pipe is located at one end, far away from the ball pitching machine, of the mounting rack, and the main recycling pipe is a half pipe; a pedal for a user to stand is arranged on one side, far away from the mounting frame, of the main recovery pipe, and the height of the pedal is gradually reduced from one end, far away from the main recovery pipe, to one end, close to the main recovery pipe; the pedal is abutted to the main recovery pipe so that table tennis balls on the pedal fall to the main recovery pipe.

Through adopting above-mentioned technical scheme, the footboard sets up certain inclination to main recovery pipe direction, can make the table tennis that drops in the footboard region get into main recovery pipe under the action of gravity and collect again.

Optionally, a lifting device for driving the tabletop to ascend or descend is mounted on the mounting frame; the mounting bracket is close to the funnel is installed to the one end of main recovery tube, keep away from communicating pipe the one end butt of collecting vat is in on the funnel, the funnel is kept away from the one end of communicating pipe is located the top of main recovery tube is used for with table tennis in the communicating tube is carried extremely main recovery tube.

By adopting the technical scheme, the lifting device can adjust the height of the desktop, so that the lifting device is convenient for users with different heights to use; the funnel can make no matter the desktop rises or descends and all can make the table tennis that gets into communicating pipe get into and enter into the funnel and get into main recovery intraductal, the follow-up recovery of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the motion mode of playing table tennis by a single person can be realized by arranging the automatic pitching machine, so that the interest is increased; the pipeline recovery system is arranged, so that the dropped table tennis balls can be collected and conveyed into the collecting seat, and the table tennis balls can be recycled to be continuously shot by the automatic pitching machine.

2. The side plates inclined towards the tabletop and the collecting space are arranged, so that table tennis balls falling on the side plates can enter the collecting space under the action of gravity, and the table tennis balls are convenient to collect subsequently;

3. the lifting device can realize the ascending or descending of the table top, is convenient for users with different heights to use, and increases the use efficiency of the table tennis single table; no matter the desktop risees or reduces can be realized to funnel and elevating gear's cooperation, and the table tennis in the communicating tube can all be in the same direction as funnel entering main recovery pipe, is convenient for carry out follow-up collection work.

Drawings

Fig. 1 is a schematic view of the overall structure of a single-person table tennis amusement apparatus.

Fig. 2 is a schematic structural view of the pipe recycling system after the pedals are hidden to show the position relationship.

Fig. 3 is a partial schematic view showing the positional relationship between the elevating mechanism, the baffle plate and the hopper.

Description of the reference numerals: 1. a table body; 11. a tabletop; 12. a mounting frame; 121. mounting a plate; 122. a support leg; 123. a support bar; 13. a side plate; 14. a collection space; 15. a baffle plate; 2. an automatic pitching machine; 21. a collecting seat; 22. a pitching machine body; 3. a pipeline recovery system; 31. a primary recovery pipe; 32. a secondary recovery pipe; 321. a first secondary recovery pipe; 322. a second secondary recovery pipe; 323. a bending section; 33. a blower; 331. a vent pipe; 332. a vent hole; 34. a communicating pipe; 4. a lifting device; 5. a funnel; 6. a pedal; 61. and (4) anti-skid lines.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses single table tennis amusement equipment. Referring to fig. 1, the single-person table tennis amusement apparatus comprises a table body 1, an automatic pitching machine 2 installed at one end of the table body 1, and a pipeline recovery system 3 installed on the table body 1 for recovering table tennis.

Referring to fig. 1, an automatic pitching machine 2 includes a collecting base 21 mounted on one end of a table top 11 and a pitching machine body 22 mounted on the collecting base 21. A plurality of table tennis balls are placed in the collecting seat 21 for the shooting of the pitching machine body 22. The specific structure of the pitching machine body 22 for launching the balls in the collecting seat 21 is the prior art, and details are not repeated again.

The table body 1 comprises a mounting frame 12 placed on the ground and a table top 11 placed on the mounting frame 12. One end of the pipeline recovery system 3 is communicated with two sides of the table top 11 and used for collecting table tennis balls on two sides of the table top 11, and the other end of the pipeline recovery system is communicated with the collecting seat 21 so as to convey the collected table tennis balls to the automatic pitching machine 2.

Referring to fig. 1, in order to increase the width of the table top 11 and reduce the probability of the user dropping the ping-pong ball from the table top 11, two side plates 13 are fixedly connected to both sides of the table top 11, and the length of the side plates 13 is slightly longer than that of the table top 11.

A collecting space 14 for collecting table tennis balls falling on the side plates 13 is formed between the two side plates 13 and the table top 11, and the heights of the two side plates 13 are gradually reduced from one side far away from the table top 11 to one side close to the table top 11, so that the table tennis balls falling on the two side plates 13 can enter the collecting space 14 under the action of gravity, and the table tennis balls are convenient to collect subsequently.

Referring to fig. 1 and 2, in order to collect a larger range of table tennis balls, both side plates 13 extend towards the collecting base 21, so that table tennis balls falling into the side plates 13 in the area close to the collecting base 21 can directly slide into the collecting base 21 along the inclination of the side plates 13, and the recovery time is saved.

Referring to fig. 2, the pipe recycling system 3 includes a main recycling pipe 31 installed on the mounting frame 12, a sub recycling pipe 32 connected between the main recycling pipe 31 and the collecting seat 21, and a driving device for driving table tennis balls into the collecting seat 21 along the main recycling pipe 31 and the sub recycling pipe 32. Wherein, a communication pipe 34 is provided between each collecting space 14 and the main recovery pipe 31 to convey the table tennis balls in the collecting space into the main recovery pipe 31 through the communication pipe 34.

Referring to fig. 2, the main recovery pipe 31 is located on one side of the mounting frame 12 away from the automatic ball throwing machine 2, the auxiliary recovery pipe 32 is communicated with one end of the main recovery pipe 31, and includes a first auxiliary recovery pipe 321 parallel to the length direction of the table top 11 and a second auxiliary recovery pipe 322 vertically fixedly connected to one end of the first auxiliary recovery pipe 321 away from the main recovery pipe 31, one end of the second auxiliary recovery pipe 322 away from the first auxiliary recovery pipe 321 is bent towards the direction of the collecting seat 21 to form a bent portion 323, so that a table tennis ball entering the second auxiliary recovery pipe 322 is conveyed into the collecting seat 21 along the bent portion 323.

The ping-pong balls entering the collecting space 14 reach the main recovery pipe 31 through the communicating pipe 34, and the ping-pong balls at the connection between the main recovery pipe 31 and the secondary recovery pipe 32 enter the secondary recovery pipe 32 under the driving of the driving device, and enter the collecting seat 21 along the secondary recovery pipe 32. In order to make the ping-pong balls entering the primary recovery pipe 31 smoothly slide to the end of the primary recovery pipe 31 close to the secondary recovery pipe 32, the height of the primary recovery pipe 31 gradually decreases from the end far away from the secondary recovery pipe 32 to the end close to the secondary recovery pipe 32, so that the ping-pong balls can slide to the connection between the primary recovery pipe 31 and the secondary recovery pipe 32 under the action of gravity.

Referring to fig. 1, the sub recovery pipe 32 is connected to a side wall of the main recovery pipe 31 near an end portion thereof, and both ends of the main recovery pipe 31 are closed to prevent table tennis balls from slipping out of the end portion of the main recovery pipe 31 when the table tennis balls slip toward one end of the sub recovery pipe 32 along the main recovery pipe 31.

Referring to fig. 2, the driving device is a blower 33, the blower 33 is installed on one side of the mounting frame 12 facing the first secondary recovery pipe 321, a vent pipe 331 is connected to an air outlet of the blower 33, the vent pipe 331 is communicated with the first secondary recovery pipe 321, and the vent pipe 331 and one side of the first secondary recovery pipe 321 close to the main recovery pipe 31 are arranged at an acute angle. So that the wind blown from the blower 33 can directly reach the first sub recovery pipe 321 and flow in the direction of the second sub recovery pipe 322. The wind force reaching the first secondary recovery pipe 321 also generates a suction force on the table tennis balls at the connection position of the main recovery pipe 31 and the first secondary recovery pipe 321, so that the table tennis balls smoothly enter the first secondary recovery pipe 321, and the table tennis balls sequentially enter the collection seat 21 along the first secondary recovery pipe 321 and the second secondary recovery pipe 322 under the wind force of the blower 33.

The first sub recovery pipe 321 is opened with a plurality of vent holes 332 to adjust the pressure in the first sub recovery pipe 321, and the vent holes 332 are located between the blower 33 and the second sub recovery pipe 322.

Each side plate 13 is provided with a collecting groove, and the collecting groove is formed along the length direction of the table top 11 and is a collecting space 14. In order to make the table tennis that gets into in the collecting vat, can get into pipeline recovery system 3 and collect and retrieve, equal rigid coupling has the communicating pipe 34 with the collecting vat intercommunication on two curb plates 13, and 34 one end intercommunication of communicating pipe communicates to the bottom of collecting vat, and the other end communicates to main recovery tube 31.

In order to enable the table tennis balls entering the collecting tank to smoothly enter the main recovery pipe 31 along the collecting tank, the depth of the collecting tank is gradually increased from one end far away from the communicating pipe 34 to one end close to the communicating pipe 34, so that the table tennis balls entering the collecting tank can slide towards the direction of the communicating pipe 34 under the action of gravity and enter the main recovery pipe 31 through the communicating pipe 34 to be collected.

Referring to fig. 1, a step plate 6 on which a user stands is placed on the ground, the step plate 6 is located on a side of the main recovery pipe 31 away from the mounting frame 12, and one end of the step plate 6 abuts against the main recovery pipe 31. Main recovery tube 31 sets up to half a tub and is used for receiving the table tennis on footboard 6, footboard 6 is provided with slight inclination, it is specific, footboard 6 highly reduces gradually from the one end of keeping away from main recovery tube 31 one end way is close to main recovery tube 31, so that the table tennis that drops to the footboard 6 region can get into main recovery tube 31 under the action of gravity and retrieve, this inclination specifically can set up to 3 degrees to 5 degrees, consequently this inclination can be ignored when the user stands and moves on footboard 6.

A plurality of anti-skid lines 61 are processed on the pedal 6 and face the direction of the main recovery pipe 31, so that when a user stands on the pedal 6 to exercise, the anti-skid effect can be achieved for the user; the table tennis balls falling on the pedal 6 can be guided, so that the table tennis balls can slide into the main recovery pipe 31 along the anti-skid lines 61 to be collected.

Referring to fig. 3, mounting frame 12 includes legs 122 and mounting plate 121 secured to legs 122, and table top 11 is slidably connected to mounting frame 12 in a vertical direction. The mounting plate 121 is also provided with a lifting device 4 for driving the table top 11 to vertically slide, so that users with different heights can use the amusement equipment conveniently, the utilization rate of the amusement equipment is enhanced, and the amusement equipment can be widely applied to amusement places. The lifting device 4 can be a worm gear lifter, a scissor lifter, a motor screw lifter, etc., as long as the lifting device can drive the tabletop 11 to ascend or descend along the length direction of the supporting legs 122. In the present application, the example in which the elevating device 4 is a worm gear elevator will be described. Specifically, a supporting rod 123 is fixedly connected to one side of the table top 11 facing the mounting plate 121, the supporting leg 122 is cylindrical, the supporting rod 123 is slidably connected to the supporting leg 122, and the worm and gear elevator is mounted on the mounting plate 121 and drives the supporting rod 123 to slide in the supporting leg 122, so that the table top 11 is controlled to ascend and descend.

Referring to fig. 3, when the table top 11 and the two side plates 13 are lifted and lowered, the communication pipe 34 is also lifted and lowered, and table tennis balls can enter the main recovery pipe 31 through the communication pipe 34 in order to meet the requirement that the communication pipe 34 is lifted or lowered, a baffle 15 is fixedly connected to one side of the mounting plate 121 facing the main recovery pipe 31, the baffle 15 is positioned between the table top 11 and the main recovery pipe 31 and abuts against one end of the main recovery pipe 31 away from the pedal 6, and the communication pipe 34 is positioned on one side of the baffle 15 away from the main recovery pipe 31. Run through the relative both sides rigid coupling of baffle 15 and have funnel 5, the one end of keeping away from the collecting vat with funnel 5 butt or be located funnel 5 directly over communicating pipe 34, funnel 5 keeps away from the one end of communicating pipe 34 and is located main recovery tube 31 directly over, in order to realize communicating pipe 34 no matter rise or descend, table tennis in communicating pipe 34 all can directly drop to funnel 5 in, later drop to main recovery tube 31 in from funnel 5 under the action of gravity, realize the collection of table tennis.

The implementation principle of single table tennis amusement equipment of the embodiment of the application is as follows: during the use, the user stands on footboard 6, and the table tennis of 2 launches of automatic pitching machine is beaten back, realizes the mode of single table tennis motion, when needs adjust the desktop 11 height and use in order to adapt to different height users, starts elevating gear 4, drives desktop 11, curb plate 13 and the lift of automatic pitching machine 2.

When a user beats back table tennis balls, the table tennis balls falling on the two side plates 13 can enter the collecting space 14 under the action of gravity and then enter the main recovery pipe 31 along the collecting space 14 and the communicating pipe 34; the table tennis balls dropped on the steps 6 also enter the main recovery pipe 31 by gravity. The table tennis that enters into main recovery tube 31 is to the direction removal that is close to first secondary recovery tube 321 under the action of gravity, air-blower 33 will be located the table tennis of main recovery tube 31 and first secondary recovery tube 321 junction and inhale in first secondary recovery tube 321, and make the table tennis follow first secondary recovery tube 321 and get into the vice recovery tube 322 of second, finally arrive in collecting seat 21, in order to supply follow-up use, table tennis's recycle has been realized, reduce the manual work and place the loaded down with trivial details when collecting seat 21 with falling ball, reduce the human cost.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a single table tennis amusement equipment, includes the table body (1) and automatic pitching machine (2), automatic pitching machine (2) including can dismantle the connection in collection seat (21) of the table body (1) tip and install pitching machine body (22) on collecting seat (21), its characterized in that: the table body (1) comprises a mounting frame (12) placed on the ground and a table top (11) placed on the mounting frame (12); a pipeline recovery system (3) for recovering table tennis balls is arranged between the mounting rack (12) and the table top (11); one end of the pipeline recovery system (3) is communicated with the two sides of the table top (11) and used for collecting the table tennis balls on the two sides of the table top (11), and the other end of the pipeline recovery system (3) is communicated with the collecting seat (21) so as to convey the collected table tennis balls to the automatic ball throwing machine (2).

2. The single-person table tennis play apparatus of claim 1, wherein: two side plates (13) are arranged on the tabletop (11); the two side plates (13) are oppositely arranged along the length direction of the table top (11).

3. The single-person table tennis play apparatus of claim 2, wherein: the heights of the two side plates (13) are gradually reduced from one end far away from the table top (11) to one end close to the table top (11), and a collecting space (14) for collecting table tennis balls is formed between each side plate (13) and the table top (11).

4. The single-person table tennis amusement apparatus according to claim 3, wherein: the pipeline recovery system (3) comprises a main recovery pipe (31) arranged at one end of the mounting frame (12), an auxiliary recovery pipe (32) connected between the main recovery pipe (31) and the collection seat (21), and a driving device for driving table tennis balls to be conveyed into the collection seat (21) along the main recovery pipe (31) and the auxiliary recovery pipe (32); the collecting spaces (14) on the two sides of the tabletop (11) are communicated to the main recovery pipe (31).

5. The single-person table tennis play apparatus of claim 4, wherein: the secondary recovery pipe (32) is communicated to one end of the primary recovery pipe (31), and the height of the primary recovery pipe (31) is gradually reduced from one end far away from the secondary recovery pipe (32) to one end close to the secondary recovery pipe (32).

6. The single-person table tennis play apparatus of claim 4, wherein: the driving device is a blower (33), the blower (33) is installed on the installation frame (12), and an air outlet of the blower (33) is connected with a ventilation pipe (331); the ventilation pipe (331) is communicated with the secondary recovery pipe (32) and is arranged at an acute angle with one side of the secondary recovery pipe (32) close to the main recovery pipe (31).

7. The single-person table tennis amusement apparatus according to claim 4, wherein: each side plate (13) is fixedly connected with a communicating pipe (34) communicated with the collecting space (14), and one end, far away from the collecting space (14), of the communicating pipe (34) is communicated with the main recovery pipe (31).

8. The single-person table tennis play apparatus of claim 7, wherein: a collecting groove is formed in one side, facing the table top (11), of each side plate (13); the collecting tank is the collecting space (14); the depth of the collecting groove gradually increases from one end far away from the communicating pipe (34) to one end close to the communicating pipe (34).

9. The single-person table tennis amusement apparatus according to claim 5, wherein: the main recovery pipe (31) is positioned at one end, far away from the automatic pitching machine (2), of the mounting rack (12), and the main recovery pipe (31) is a half pipe; a pedal (6) for a user to stand is arranged on one side, away from the mounting frame (12), of the main recovery pipe (31), and the height of the pedal (6) is gradually reduced from one end, away from the main recovery pipe (31), to one end, close to the main recovery pipe (31); the pedal (6) is abutted against the main recovery pipe (31) so that table tennis balls on the pedal (6) fall into the main recovery pipe (31).

10. The single-person table tennis amusement apparatus according to claim 8, wherein: the mounting rack (12) is provided with a lifting device (4) for driving the tabletop (11) to ascend or descend; mounting bracket (12) are close to funnel (5) are installed to the one end of main recovery tube (31), keep away from communicating pipe (34) the one end butt of collecting vat is in on funnel (5), funnel (5) are kept away from the one end of communicating pipe (34) is located the top of main recovery tube (31) is used for with table tennis in communicating pipe (34) is carried extremely in main recovery tube (31).

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