CN216755336U

CN216755336U - Table tennis rack is used in sports teaching

Info

Publication number: CN216755336U
Application number: CN202122718834.4U
Authority: CN
Inventors: 王玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-06-17
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a table tennis net rack for physical education, which relates to the technical field of physical education equipment and comprises a base and a net, wherein a fixing mechanism is arranged on the inner side of the base, a supporting rod is arranged at the upper end of the base, the outer side of the supporting rod is connected with a movable sleeve through a sliding sleeve, and a partition plate is arranged on the inner side of the movable sleeve. According to the table tennis net, the net and the base are arranged, the first connecting rings are arranged on the upper end of the net twice, the second connecting rings are arranged on two sides of the lower end of the net, the movable sleeve is arranged at the upper end of the base and can move up and down along the supporting rod, the first connecting bolt is arranged between the base and the movable sleeve, the connecting rings are sleeved on the outer sides of the first connecting bolts, the movable seat is arranged in the movable sleeve, the second connecting bolts are sleeved on the upper end of the movable seat, the movable seat can be lifted through the limiting mechanism, compared with a traditional table tennis net rack, the convenience of replacing the net is improved, and meanwhile the height of the net can be adjusted.

Description

Table tennis rack is used in sports teaching

Technical Field

The utility model relates to the technical field of physical education teaching equipment, in particular to a table tennis net rack for physical education teaching.

Background

The physical education is a purposeful and organized education process carried out according to a certain plan and course standards, and the physical education is participated by teachers and students and aims to teach students physical knowledge, technology and skill, strengthen physique, cultivate morality, will, quality and the like, wherein the table tennis is a common physical subject.

Most table tennis rack structure is simple today, and the net appears damaged after using a period, often changes, and the net all is connected through the frenulum with the support frame of both sides, and it is inconvenient to install, and can't change the height of net, and the controllability is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a table tennis net rack for physical education, and aims to solve the problems that most table tennis net racks provided in the background technology are simple in structure, a net is damaged after being used for a period of time and is frequently replaced, the net and support frames on two sides are connected through tying belts, the net is inconvenient to mount, the height of the net cannot be changed, and the adjustability is poor.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a table tennis net rack for physical education comprises a base and a net, wherein a fixing mechanism is arranged on the inner side of the base;

the upper end of the base is provided with a supporting rod, the outer side of the supporting rod is connected with a movable sleeve through a sliding sleeve, the inner side of the movable sleeve is provided with a partition plate, the upper end of the base is provided with a first connecting bolt, the lower end of the partition plate is provided with a limiting sleeve, the upper end of the partition plate is provided with a fixed rod, the outer side of the fixed rod is provided with a movable seat, the upper end of the movable seat is provided with a second connecting bolt, and the movable sleeve is provided with a limiting mechanism;

the utility model discloses a ball net, including movable sleeve, connection groove one, connection groove two, the both sides of net upper end are provided with connection ring one, the both sides of net lower extreme are provided with connection ring two.

Preferably, fixed establishment includes support frame, draw-in groove, lead screw one, knob one and clamp splice, and dormitory support frame fixed mounting is at the lower extreme of base, the draw-in groove is located the avris of support frame, lead screw one is threaded connection with the support frame, and knob fixed mounting is at the lower extreme of lead screw one, the clamp splice rotates the upper end of connecting at lead screw one.

Preferably, the base is provided with one on each of the left side and the right side of the net, and the clamping blocks are located inside the clamping grooves.

Preferably, the sliding sleeve is movably connected to the outer side of the supporting rod, and the movable sleeve is magnetically connected with the base.

Preferably, the limiting sleeve is sleeved on the outer side of the first connecting bolt, the second connecting ring penetrates through the connecting groove and is sleeved on the outer side of the first connecting bolt, and the dormitory limiting sleeve is located at the upper end of the second connecting ring.

Preferably, the movable seat is movably connected to the outer side of the fixed rod, and the first connecting ring penetrates through the second connecting groove and is connected to the outer side of the second connecting bolt.

Preferably, stop gear includes two, knob two, spacing seats, movable rod, spring and connecting hole of lead screw, two rotations of lead screw are connected in the upper end of baffle, two rotations of knob are connected in the telescopic upper end of activity, two and two fixed connection of lead screw, spacing seat threaded connection is in the outside of lead screw two, spacing seat is swing joint with the dead lever, the movable rod is provided with two in the outside symmetry of movable seat, the movable seat is swing joint with two lead screw, the movable rod extends to the telescopic outside of activity, the spring housing connects in the outside of dead lever, the spring is located the lower extreme of movable seat, the connecting hole is located the inside of spacing seat, connecting bolt two is located the connecting hole under.

Compared with the prior art, the table tennis net rack for physical education provided by the utility model has the following beneficial effects:

the utility model provides a net and a base, wherein a first connecting ring is arranged at the upper end of the net twice, a second connecting ring is arranged on two sides of the lower end of the net, a movable sleeve is arranged at the upper end of the base and can move up and down along a supporting rod, a first connecting bolt is arranged between the base and the movable sleeve, the connecting ring is sleeved outside the first connecting bolt, a movable seat is arranged in the movable sleeve, the connecting ring is sleeved outside the second connecting bolt at the upper end of the movable seat, and the movable seat can be lifted through a limiting mechanism.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the internal structure of the movable sleeve of the present invention;

FIG. 4 is a schematic cross-sectional view of the movable sleeve of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. a base; 2. a net; 3. a fixing mechanism; 301. a support frame; 302. a card slot; 303. a first screw rod; 304. a first knob; 305. a clamping block; 4. a support bar; 5. a sliding sleeve; 6. a movable sleeve; 7. a partition plate; 8. a first connecting bolt; 9. a limiting sleeve; 10. fixing the rod; 11. a movable seat; 12. a second connecting bolt; 13. a limiting mechanism; 1301. a second screw rod; 1302. a second knob; 1303. a limiting seat; 1304. a movable rod; 1305. a spring; 1306. connecting holes; 14. connecting a groove I; 15. connecting groove two; 16. a connecting ring I; 17. and a second connecting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-5, a table tennis net frame for physical education comprises a base 1 and a net 2, wherein a fixing mechanism 3 is arranged on the inner side of the base 1;

the upper end of the base 1 is provided with a support rod 4, the outer side of the support rod 4 is connected with a movable sleeve 6 through a sliding sleeve 5, the inner side of the movable sleeve 6 is provided with a partition plate 7, the upper end of the base 1 is provided with a first connecting bolt 8, the lower end of the partition plate 7 is provided with a limiting sleeve 9, the upper end of the partition plate 7 is provided with a fixed rod 10, the outer side of the fixed rod 10 is provided with a movable seat 11, the upper end of the movable seat 11 is provided with a second connecting bolt 12, and the movable sleeve 6 is provided with a limiting mechanism 13;

a first connecting groove 14 and a second connecting groove 15 are formed in the outer side of the movable sleeve 6, a first connecting ring 16 is arranged on two sides of the upper end of the ball net 2, and a second connecting ring 17 is arranged on two sides of the lower end of the ball net 2;

the sliding sleeve 5 is movably connected with the outer side of the supporting rod 4, and the movable sleeve 6 is magnetically connected with the base 1;

the limiting sleeve 9 is sleeved on the outer side of the first connecting bolt 8, the connecting ring II 17 penetrates through the connecting groove I14 and is sleeved on the outer side of the first connecting bolt 8, and the dormitory limiting sleeve 9 is located at the upper end of the connecting ring II 17;

the movable seat 11 is movably connected to the outer side of the fixed rod 10, and the connecting ring I16 penetrates through the connecting groove II 15 and is connected to the outer side of the connecting bolt II 12 in a sleeved mode;

referring to fig. 1-5, a table tennis net rack for physical education further comprises a fixing mechanism 3, the fixing mechanism 3 comprises a support frame 301, a clamping groove 302, a first screw rod 303, a first knob 304 and a clamping block 305, the dormitory support frame 301 is fixedly arranged at the lower end of the base 1, the clamping groove 302 is positioned at the side of the support frame 301, the first screw rod 303 is in threaded connection with the support frame 301, the first knob 304 is fixedly arranged at the lower end of the first screw rod 303, and the clamping block 305 is rotatably connected to the upper end of the first screw rod 303;

the base 1 is provided with one clamping block 305 at the left side and the right side of the net 2 respectively, and the clamping blocks are positioned inside the clamping grooves 302;

specifically, as shown in fig. 1 and fig. 2, the support frame 301 is installed on two sides of the table through the clamping groove 302, the first knob 304 is rotated to drive the first screw rod 303 to move up and down, the clamping block 305 moves along with the first screw rod 303 and is attached to the lower end of the table, the support frame 301 is fixed, the movable sleeve 6 moves upwards along the support rod 4, the first connecting ring 16 is sleeved on the outer side of the second connecting bolt 12, the movable sleeve 6 is put down, the movable sleeve 6 is fixed on the upper end of the base 1 through magnetic force, the limiting sleeve 9 is sleeved on the outer side of the second connecting bolt 12, and the first connecting ring 16 is prevented from falling off.

Example 2: the limiting mechanism 13 comprises a second screw mandrel 1301, a second knob 1302, a limiting seat 1303, a movable rod 1304, a spring 1305 and a connecting hole 1306, the second screw mandrel 1301 is rotatably connected to the upper end of the partition plate 7, the second knob 1302 is rotatably connected to the upper end of the movable sleeve 6, the second knob 1302 is fixedly connected with the second screw mandrel 1301, the limiting seat 1303 is in threaded connection with the outer side of the second screw mandrel 1301, the limiting seat 1303 is movably connected with the fixed rod 10, the two movable rods 1304 are symmetrically arranged on the outer side of the movable seat 11, the movable seat 11 is movably connected with the second screw mandrel 1301, the movable rod 1304 extends to the outer side of the movable sleeve 6, the spring 1305 is in sleeved connection with the outer side of the fixed rod 10, the spring 1305 is located at the lower end of the movable seat 11, the connecting hole 1306 is located inside the limiting seat 1303, and the second connecting bolt 12 is located right below the connecting hole 1306;

specifically, as shown in fig. 1-5, the movable seat 11 is driven by the movable rod 1304 to move downward, the connecting ring two 17 is sleeved outside the connecting bolt two 12 through the connecting groove two 15, the movable rod 1304 is loosened, the spring 1305 applies upward thrust to the movable seat 11, the movable seat 11 is attached to the lower end of the limiting seat 1303, the connecting bolt two 12 moves to the inner side of the connecting hole 1306, the connecting ring two 17 is prevented from falling off, the installation of the ball net 2 is completed, the rotary knob two 1302 is rotated to drive the screw rod two 1301 to rotate, the screw rod two 1301 drives the limiting seat 1303 to move up and down along the fixed rod 10, the movable seat 11 moves along with the limiting seat 1303, and the height of the ball net 2 is adjusted.

The working principle is as follows: firstly, the support frame 301 is arranged at two sides of the table through the clamping groove 302, the knob I304 is rotated to drive the screw rod I303 to move up and down, the clamping block 305 moves along with the screw rod I303 to be attached to the lower end of the table to fix the support frame 301, the movable sleeve 6 moves upwards along the support rod 4, the connecting ring I16 is sleeved on the outer side of the connecting bolt II 12, the movable sleeve 6 is put down, the movable sleeve 6 is fixed at the upper end of the base 1 through magnetic force, the limiting sleeve 9 is sleeved on the outer side of the connecting bolt II 12 to prevent the connecting ring I16 from falling off, the movable seat 11 is driven to move downwards through the movable rod 1304, the connecting ring II 17 passes through the connecting groove II 15 to be sleeved on the outer side of the connecting bolt II 12, the movable rod 1304 is loosened, the spring 1305 applies upward thrust to the movable seat 11, the movable seat 11 is attached to the lower end of the limiting seat 1303, the connecting bolt II 12 moves to the inner side of the connecting hole 1306 to prevent the connecting ring II 17 from falling off, the installation of the ball net 2 is completed, the second rotary knob 1302 is rotated to drive the second screw mandrel 1301 to rotate, the second screw mandrel 1301 drives the limiting seat 1303 to move up and down along the fixed rod 10, and the movable seat 11 moves along with the limiting seat 1303, so that the height of the ball net 2 is adjusted.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and do not limit the protection scope of the present invention, and those skilled in the art can make simple modifications or equivalent substitutions on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a table tennis rack is used in sports teaching, includes base (1) and net (2), its characterized in that: a fixing mechanism (3) is arranged on the inner side of the base (1);

the upper end of the base (1) is provided with a support rod (4), the outer side of the support rod (4) is connected with a movable sleeve (6) through a sliding sleeve (5), the inner side of the movable sleeve (6) is provided with a partition plate (7), the upper end of the base (1) is provided with a first connecting bolt (8), the lower end of the partition plate (7) is provided with a limiting sleeve (9), the upper end of the partition plate (7) is provided with a fixed rod (10), the outer side of the fixed rod (10) is provided with a movable seat (11), the upper end of the movable seat (11) is provided with a second connecting bolt (12), and the movable sleeve (6) is provided with a limiting mechanism (13);

connecting groove one (14) and connecting groove two (15) have been seted up in the outside of activity sleeve (6), the both sides of net (2) upper end are provided with connecting ring one (16), the both sides of net (2) lower extreme are provided with connecting ring two (17).

2. The table tennis net rack for physical education as claimed in claim 1, wherein: fixed establishment (3) include support frame (301), draw-in groove (302), lead screw (303), knob (304) and clamp splice (305), dormitory support frame (301) fixed mounting is at the lower extreme of base (1), draw-in groove (302) are located the avris of support frame (301), lead screw (303) are threaded connection with support frame (301), and knob (304) fixed mounting is at the lower extreme of lead screw (303), clamp splice (305) rotate the upper end of connecting at lead screw (303).

3. The table tennis net rack for sports teaching of claim 2, wherein: the base (1) is provided with one on the left side and the right side of the net (2), and the clamping blocks (305) are located inside the clamping grooves (302).

4. The table tennis net rack for physical education as claimed in claim 1, wherein: the sliding sleeve (5) is movably connected to the outer side of the supporting rod (4), and the movable sleeve (6) is magnetically connected with the base (1).

5. The table tennis net rack for physical education as claimed in claim 1, wherein: spacing sleeve (9) cup joint in the outside of connecting bolt (8), go-between two (17) pass spread groove one (14) and cup joint in the outside of connecting bolt (8), and dormitory spacing sleeve (9) are located the upper end of go-between two (17).

6. The table tennis net rack for physical education as claimed in claim 1, wherein: the movable seat (11) is movably connected to the outer side of the fixed rod (10), and the connecting ring I (16) penetrates through the connecting groove II (15) to be connected to the outer side of the connecting bolt II (12) in a sleeved mode.

7. The table tennis net rack for physical education as claimed in claim 1, wherein: the limiting mechanism (13) comprises a second screw rod (1301), a second knob (1302), a limiting seat (1303), a movable rod (1304), a spring (1305) and a connecting hole (1306), the second screw rod (1301) is rotatably connected to the upper end of the partition plate (7), the second knob (1302) is rotatably connected to the upper end of the movable sleeve (6), the second knob (1302) is fixedly connected with the second screw rod (1301), the limiting seat (1303) is in threaded connection with the outer side of the second screw rod (1301), the limiting seat (1303) is movably connected with the fixed rod (10), the two movable rods (1304) are symmetrically arranged on the outer side of the movable seat (11), the movable seat (11) is movably connected with the second screw rod (1301), the movable rod (1304) extends to the outer side of the movable sleeve (6), the spring (1305) is connected to the outer side of the fixed rod (10) in a sleeved mode, and the spring (1305) is located at the lower end of the movable seat (11), the connecting hole (1306) is located inside the limiting seat (1303), and the second connecting bolt (12) is located right below the connecting hole (1306).