CN210493162U

CN210493162U - Liftable table tennis table

Info

Publication number: CN210493162U
Application number: CN201921148248.7U
Authority: CN
Inventors: 毕海泳
Original assignee: Weihai Vocational College
Current assignee: Weihai Vocational College
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-05-12
Anticipated expiration: 2029-07-22

Abstract

The utility model belongs to the technical field of sports equipment, especially, table tennis table of liftable, which comprises a table top, the bottom fixed mounting of mesa has the support column, the bottom of support column is seted up flutedly, slidable mounting has the bracing piece in the recess, the bottom of bracing piece extends to outside the recess, the bottom fixed mounting of bracing piece has the fixing base, first pivot groove has been seted up to the bottom of bracing piece, first pivot inslot internal rotation is installed first pivot, and outside the top of first pivot extended to first pivot inslot, the second pivot groove has been seted up on the inner wall of recess top side, second pivot groove and first pivot swivelling joint, fixed cover is equipped with the worm wheel in the first pivot, the pivot through-hole has all been seted up on the inner wall of recess both sides, same second pivot is installed to two pivot through-hole internal. The utility model relates to a rationally, convenient to use, table tennis table's highly be convenient for adjust, and easy operation, save time is fit for more people and uses.

Description

Liftable table tennis table

Technical Field

The utility model relates to the technical field of sports equipment, especially, relate to a table tennis table of liftable.

Background

Table tennis, a Chinese ball, is a popular ball sport in the world, including attack, confrontation and defense, and the games are divided into groups, single play, double play, and the like; in 2001, 21 is divided into one part before 9/1 day, and 11 is divided into one part at present; it is made up by using five-saint and seven-saint, and using celluloid or plastics to make the table tennis ball be made into the form of ball, whose weight is 2.53-2.70 g and white or orange.

At present, most of the heights of the conventional table tennis tables are inconvenient to adjust, the table tennis tables are very troublesome to adjust when the heights of the table tennis tables need to be adjusted, time is delayed, and the table tennis tables are not beneficial to table tennis sports of people with different heights.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a liftable table tennis table.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a liftable table tennis table comprises a table top, wherein a support column is fixedly installed at the bottom of the table top, a groove is formed in the bottom of the support column, a support rod is slidably installed in the groove, the bottom of the support rod extends out of the groove, a fixing seat is fixedly installed at the bottom of the support rod, a first rotating shaft groove is formed in the bottom of the support rod, a first rotating shaft is rotatably installed in the first rotating shaft groove, the top of the first rotating shaft extends out of the first rotating shaft groove, a second rotating shaft groove is formed in the inner wall of the top side of the groove and is rotatably connected with the first rotating shaft, a worm wheel is fixedly sleeved on the first rotating shaft, rotating shaft through holes are formed in the inner walls of two sides of the groove, the same second rotating shaft is rotatably installed in the two rotating shaft through holes, two ends of the second rotating shaft extend out of the rotating shaft through holes, a worm is fixedly sleeved on the, handles are fixedly arranged at the two ends of the second rotating shaft.

Preferably, the number of the support columns is eight, and the eight support columns are distributed at the bottom of the table top in a rectangular shape.

Preferably, the fixing seat is made of rubber, and the bottom of the fixing seat is provided with anti-skid grains.

Preferably, the limiting grooves are formed in the two sides of the supporting rod, limiting blocks are fixedly mounted on the inner walls of the two sides of the groove, and the two limiting blocks are slidably mounted in the two limiting grooves respectively.

Preferably, a first bearing is fixedly installed in the second rotating shaft groove, and an inner ring of the first bearing is fixedly connected with the first rotating shaft.

Preferably, a second bearing is fixedly installed in the through hole of the rotating shaft, and an inner ring of the second bearing is fixedly connected with the second rotating shaft.

Preferably, an inner thread is formed on the inner wall of the first rotating shaft groove, an outer thread is formed at one end of the first rotating shaft, which is located in the first rotating shaft groove, and the first rotating shaft is in threaded connection with the first rotating shaft groove.

Compared with the prior art, the beneficial effects of the utility model are that: through the mesa, the support column, a groove, the bracing piece, a fixed base, first pivot groove, first pivot, second pivot groove, the worm wheel, the pivot through-hole, the second pivot, the cooperation of worm and handle, height when table tennis table is adjusted to needs, at first, rotate the handle with the hand, the handle drives the second pivot and rotates, the second pivot drives the worm and rotates, the worm drives the worm wheel and rotates, the worm wheel drives first pivot and rotates, because first pivot is threaded connection with first pivot groove, and stopper and spacing groove restrict the dead lever, so, it can slide in the recess to rotate when first pivot and to drive the dead lever, the slip of dead lever can drive the mesa and carry out the change of height, thereby the regulation work of table tennis table height has been realized.

The utility model relates to a rationally, convenient to use, table tennis table's highly be convenient for adjust, and easy operation, save time is fit for more people and uses.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of part A of the present invention;

in the figure: 1. a table top; 2. a support pillar; 3. a groove; 4. a support bar; 5. a fixed seat; 6. a first shaft groove; 7. a first rotating shaft; 8. a second rotary shaft groove; 9. a worm gear; 10. a through hole of the rotating shaft; 11. a second rotating shaft; 12. a worm; 13. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a liftable table tennis table comprises a table top 1, wherein a support column 2 is fixedly arranged at the bottom of the table top 1, a groove 3 is formed in the bottom of the support column 2, a support rod 4 is slidably arranged in the groove 3, the bottom of the support rod 4 extends out of the groove 3, a fixing seat 5 is fixedly arranged at the bottom of the support rod 4, a first rotating shaft groove 6 is formed in the bottom of the support rod 4, a first rotating shaft 7 is rotatably arranged in the first rotating shaft groove 6, the top of the first rotating shaft 7 extends out of the first rotating shaft groove 6, a second rotating shaft groove 8 is formed in the inner wall of the top side of the groove 3, the second rotating shaft groove 8 is rotatably connected with the first rotating shaft 7, a worm wheel 9 is fixedly sleeved on the first rotating shaft 7, rotating shaft through holes 10 are formed in the inner walls of two sides of the groove 3, the same second rotating shaft 11 is rotatably arranged in the two rotating shaft through, a worm 12 is fixedly sleeved on the second rotating shaft 11, the worm 12 is positioned in the groove 3, the worm 12 is meshed with the worm wheel 9, and handles 13 are fixedly arranged at two ends of the second rotating shaft 11;

the support columns 2 are eight, the eight support columns 2 are distributed at the bottom of the table board 1 in a rectangular mode, the fixing base 5 is made of rubber materials, anti-skid grains are formed in the bottom of the fixing base 5, limiting grooves are formed in two sides of the support rod 4, limiting blocks are fixedly mounted on the inner walls of two sides of the groove 3 respectively, two limiting blocks are slidably mounted in the two limiting grooves respectively, a first bearing is fixedly mounted in the second rotating groove 8, an inner ring of the first bearing is fixedly connected with a first rotating shaft 7, a second bearing is fixedly mounted in the rotating shaft through hole 10, an inner ring of the second bearing is fixedly connected with a second rotating shaft 11, inner threads are formed in the inner wall of the first rotating groove 6, an outer thread is arranged at one end, located in the first rotating groove 6, of the first rotating shaft 7 is in threaded connection with the first rotating groove 6, the table board 1, the support columns 2, the groove, The table tennis table comprises a first rotating shaft groove 6, a first rotating shaft 7, a second rotating shaft groove 8, a worm wheel 9, a rotating shaft through hole 10, a second rotating shaft 11, a worm 12 and a handle 13, wherein when the height of the table tennis table is required to be adjusted, firstly, the handle 13 is rotated by hands, the handle 13 drives the second rotating shaft 11 to rotate, the second rotating shaft 11 drives the worm 12 to rotate, the worm 12 drives the worm wheel 9 to rotate, the worm wheel 9 drives the first rotating shaft 7 to rotate, and the first rotating shaft 7 and the first rotating shaft groove 6 are in threaded connection, and a limit block and a limit groove limit a fixed rod 4, so that when the first rotating shaft 7 rotates, the fixed rod 4 can be driven to slide in a groove 3, and the fixed rod 4 can slide to drive the table top 1 to change the height, thereby adjusting the height of the table tennis; the utility model relates to a rationally, convenient to use, table tennis table's highly be convenient for adjust, and easy operation, save time is fit for more people and uses.

The working principle is as follows: during the use, as the height of table tennis table needs to be adjusted, at first, rotate handle 13 with the hand, handle 13 drives second pivot 11 and rotates, second pivot 11 drives worm 12 and rotates, worm 12 drives worm wheel 9 and rotates, worm wheel 9 drives first pivot 7 and rotates, because first pivot 7 is threaded connection with first pivot groove 6, and stopper and spacing groove restrict dead lever 4, so, when first pivot 7 rotates, dead lever 4 can slide in recess 3, the slip of dead lever 4 can drive mesa 1 and carry out the change of height, thereby the regulation work of table tennis table height has been realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a table tennis table of liftable, includes mesa (1), its characterized in that: the bottom of the table board (1) is fixedly provided with a support column (2), the bottom of the support column (2) is provided with a groove (3), the groove (3) is internally provided with a support rod (4), the bottom of the support rod (4) extends out of the groove (3), the bottom of the support rod (4) is fixedly provided with a fixing seat (5), the bottom of the support rod (4) is provided with a first rotating shaft groove (6), the first rotating shaft groove (6) is rotatably provided with a first rotating shaft (7), the top of the first rotating shaft (7) extends out of the first rotating shaft groove (6), the inner wall of the top side of the groove (3) is provided with a second rotating shaft groove (8), the second rotating shaft groove (8) is rotatably connected with the first rotating shaft (7), the first rotating shaft (7) is fixedly provided with a worm wheel (9), the inner walls of two sides of the groove (3) are both provided with rotating shaft through holes (10), and the two rotating shaft through, and both ends of the second rotating shaft (11) extend to the outside of the rotating shaft through hole (10), a worm (12) is fixedly sleeved on the second rotating shaft (11), the worm (12) is positioned in the groove (3), the worm (12) is meshed with the worm wheel (9), and handles (13) are fixedly mounted at both ends of the second rotating shaft (11).

2. The table tennis table of claim 1, wherein: the number of the supporting columns (2) is eight, and the eight supporting columns (2) are distributed at the bottom of the table board (1) in a rectangular shape.

3. The table tennis table of claim 1, wherein: the fixing seat (5) is made of rubber materials, and anti-skid grains are formed in the bottom of the fixing seat (5).

4. The table tennis table of claim 1, wherein: the limiting grooves are formed in the two sides of the supporting rod (4), limiting blocks are fixedly mounted on the inner walls of the two sides of the groove (3), and the two limiting blocks are slidably mounted in the two limiting grooves respectively.

5. The table tennis table of claim 1, wherein: a first bearing is fixedly arranged in the second rotating shaft groove (8), and an inner ring of the first bearing is fixedly connected with the first rotating shaft (7).

6. The table tennis table of claim 1, wherein: and a second bearing is fixedly arranged in the rotating shaft through hole (10), and an inner ring of the second bearing is fixedly connected with a second rotating shaft (11).

7. The table tennis table of claim 1, wherein: an internal thread is formed in the inner wall of the first rotating shaft groove (6), an external thread is arranged at one end, located in the first rotating shaft groove (6), of the first rotating shaft (7), and the first rotating shaft (7) is in threaded connection with the first rotating shaft groove (6).