CN210009592U

CN210009592U - Liftable table tennis table

Info

Publication number: CN210009592U
Application number: CN201920162786.5U
Authority: CN
Inventors: 徐阳
Original assignee: Qilu Normal University
Current assignee: Qilu Normal University
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-02-04
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses a liftable formula table tennis table, the desk comprises a desktop, both ends central point puts around the top of desktop and all welds the stand, the welding of the bottom right side of desktop has the rectangle case, the inner chamber top of stand has the screw rod along upper and lower direction coupling, and the bottom of screw rod extends to the inner chamber of rectangle case, the through-hole has been seted up to the inboard of stand, the outer wall threaded connection of screw rod has a screw thread section of thick bamboo. This liftable formula table tennis table through clockwise rotation second circle axle, drive first circle axle clockwise rotation, the rotation is followed clockwise to the second gear, drive first gear anticlockwise rotation, make screw rod anticlockwise rotation, through screw rod anticlockwise rotation, with a screw thread section of thick bamboo at the outer wall rebound of screw rod, make the net rebound simultaneously, can adjust the height of net according to the training demand, need not change the net change height, time saving and labor saving, and personnel's the amount of labour has been reduced.

Description

Liftable table tennis table

Technical Field

The utility model relates to a table tennis table technical field specifically is a liftable formula table tennis table.

Background

The table tennis table is the old-fashioned table tennis table apparatus of table tennis motion, and the mesa can be made by any material, has certain elasticity, and the ball net includes the net, the net post, and support triplex, and the net falls into the two parts that the size equals with the mesa, and net perpendicular to mesa is parallel in the end line, and current net is fixed height, can not adjust the height of net according to the training demand, need change net change height, wastes time and energy, and has increaseed personnel's the amount of labour.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liftable formula table tennis table to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lifting type table tennis table comprises a table top, wherein stand columns are welded at the center positions of the front end and the rear end of the top of the table top, a rectangular box is welded at the right side of the bottom of the table top, a screw rod is axially connected to the top end of an inner cavity of each stand column in the vertical direction, the bottom end of the screw rod extends to the inner cavity of the rectangular box, a through hole is formed in the inner side of each stand column, a thread cylinder is in threaded connection with the outer wall of the screw rod and is located at the bottom end of the inner cavity of each stand column, sliding grooves are formed in the outer sides of the inner cavities of the stand columns in the vertical direction, matched sliding blocks are clamped at the bottom ends of the inner cavities of the sliding grooves, the inner sides of the sliding blocks are welded with the thread cylinders, connecting rods are welded at the inner sides of the thread cylinders, through holes extend out of the, the equal interference fit in both ends has the second gear with first gear engaged with around the outer wall of first circle axle, the inner chamber front side of rectangle case has the second circle axle along controlling the direction coupling, and the second circle axle is located the bottom of first circle axle, the rectangle case is extended on the right side of second circle axle, the outer wall left side interference fit of second circle axle has the third gear with second gear engaged with, the right side welding of second circle axle has the handle, the table leg has all been welded to the bottom left and right sides of desktop.

Preferably, the upper half part of the outer wall of the screw is provided with threads, and the lower half part of the screw is unthreaded.

Preferably, the distance that the connecting rod extends out of the through hole is 1 cm.

Preferably, the diameter of the third gear is smaller than the diameter of the second gear.

Preferably, the height of the screw thread on the outer wall of the screw is the same as the height of the inner side of the through hole.

Compared with the prior art, the beneficial effects of the utility model are that: this liftable formula table tennis table, through clockwise rotation second circle axle, clockwise rotation is followed to the third gear, drive first circle axle clockwise rotation, clockwise rotation is followed to the second gear, drive first gear anticlockwise rotation, make screw rod anticlockwise rotation, through screw rod anticlockwise rotation, with a screw thread section of thick bamboo at the outer wall rebound of screw rod, make the net rebound simultaneously, can adjust the height of net according to the training demand, need not change the net and change the height, time saving and labor saving, and personnel's the amount of labour has been reduced.

Drawings

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

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

fig. 3 is an enlarged schematic structural diagram of a position a of the present invention.

In the figure: 1. the table comprises a table top, 2, a stand column, 3, a rectangular box, 4, a screw rod, 5, a through hole, 6, a threaded cylinder, 7, a sliding groove, 8, a sliding block, 9, a connecting rod, 10, a ball net, 11, a first gear, 12, a first round shaft, 13, a second gear, 14, a second round shaft, 15, a third gear, 16, a handle, 17 and table legs.

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. 1-3, the present invention provides a technical solution: a lifting type table tennis table comprises a table top 1, wherein upright posts 2 are welded at the central positions of the front end and the rear end of the top end of the table top 1, a rectangular box 3 is welded at the right side of the bottom end of the table top 1, a screw rod 4 is axially connected to the top end of an inner cavity of each upright post 2 along the vertical direction, the bottom end of each screw rod 4 extends to the inner cavity of the rectangular box 3, through holes 5 are formed in the inner side of each upright post 2, a thread cylinder 6 is in threaded connection with the outer wall of each screw rod 4, the thread cylinder 6 is located at the bottom end of the inner cavity of each upright post 2 and can move up and down at the outer top end of the screw rod 4, sliding grooves 7 are formed in the outer side of the inner cavity of each upright post 2 along the vertical direction, matched sliding blocks 8 are clamped at the bottom ends of the inner cavities of the sliding grooves 7, the sliding blocks 8 can, a through hole 5 extends from the inner side of the connecting rod 9, the connecting rod 9 moves upwards to drive the ball net 10 to move upwards, the ball net 10 is welded on the inner side of the connecting rod 9, a first gear 11 is welded at the bottom end of the screw rod 4, a second gear 13 rotates clockwise to drive the first gear 11 to rotate anticlockwise, a first round shaft 12 is axially connected with the inner cavity of the rectangular box 3 along the front-back direction, a second gear 13 meshed with the first gear 11 is in interference fit with the front end and the back end of the outer wall of the first round shaft 12, a third gear 15 rotates clockwise to drive the second gear 13 to rotate clockwise, a second round shaft 14 is axially connected with the front side of the inner cavity of the rectangular box 3 along the left-right direction, the second round shaft 14 is positioned at the bottom end of the first round shaft 12, the right side of the second round shaft 14 extends out of the rectangular box 3, the second round shaft 14 rotates clockwise to drive the third gear 15 to rotate clockwise, a third gear 15 meshed with the second gear 13 is in interference fit with the left, a handle 16 is welded on the right side of the second round shaft 14, and table legs 17 are welded on the left side and the right side of the bottom end of the table top 1.

Preferably, the upper half part of the outer wall of the screw rod 4 is provided with threads, the lower half part of the screw rod 4 is not provided with threads, and when the sliding block 8 moves to the bottom end of the inner cavity of the sliding groove 7, the threaded cylinder 6 is driven to move to the bottom end of the threads on the outer wall of the screw rod 4, so that the threaded cylinder 6 is prevented from moving continuously.

Preferably, the connecting rod 9 extends out of the through hole 5 by 1cm, so that the space occupied by the connecting rod 9 is reduced, and the ball net is prevented from colliding with the upright post 2 when moving.

Preferably, the diameter of the third gear 15 is smaller than the diameter of the second gear 13, which saves more labor when the second gear 13 is driven to rotate, and the moment arm of the third gear 15 is smaller than the moment arm of the second gear 13, so that the power of the power point of the second gear 15 is larger than the resistance of the resistance point of the second gear 13, thereby saving labor

Preferably, the height of the thread on the outer wall of the screw rod 4 is the same as the height of the inner side of the through hole 5, so that the connecting rod 9 can normally move upwards on the inner side of the through hole 5 when the threaded cylinder 6 moves to the state that the outer wall of the screw rod 4 moves upwards.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the ball net is used, the handle 16 is rotated clockwise by a hand to cause the second circular shaft 14 to rotate clockwise, the third gear 15 rotates clockwise to drive the second gear 13 to rotate clockwise to cause the first circular shaft 12 to rotate clockwise to ensure that the two second gears 13 rotate synchronously at the same time, the second gear 13 rotates clockwise to drive the first gear 11 to rotate anticlockwise to cause the screw rod 4 to rotate anticlockwise to drive the threaded cylinder 6 to move upwards on the outer wall of the screw rod 4, the sliding block 8 slides upwards in the inner cavity of the sliding groove 7 to drive the connecting rod 9 to move upwards on the inner side of the through hole 5 simultaneously to cause the ball net 10 to move upwards to lift the ball net 10, the handle 16 is rotated counterclockwise by a hand to cause the second circular shaft 14 to rotate anticlockwise, the third gear 15 rotates counterclockwise to drive the second gear 13 to rotate anticlockwise to cause the first circular shaft 12 to rotate anticlockwise to ensure that the two second gears 13 rotate synchronously at the same time, second gear 13 anticlockwise rotation drives first gear 11 clockwise rotation, make screw rod 4 clockwise rotation, drive screw thread section of thick bamboo 6 at the outer wall downstream of screw rod 4, slider 8 slides down at the inner chamber of spout 7 simultaneously, drive connecting rod 9 and move down simultaneously in the inboard of through-hole 5, make net 10 move down, reduce net 10, high durability and convenient use, change net 10 that can be quick, need not to change net 10, and the production cost is reduced, and the promotion and the use of device are favorable to.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" and "pivot" and "snap" and "weld" and "screw" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liftable formula table tennis table, includes desktop (1), its characterized in that: the table top is characterized in that columns (2) are welded at the center positions of the front end and the rear end of the top end of the table top (1) and the center positions of the front end and the rear end of the top end of the table top (1), a rectangular box (3) is welded at the right side of the bottom end of the table top (1), a screw rod (4) is axially connected to the top end of an inner cavity of the column (2) along the upper direction and the lower direction, the bottom end of the inner cavity of the screw rod (4) extends to the inner cavity of the rectangular box (3), a through hole (5) is formed in the inner side of the column (2), a threaded cylinder (6) is connected to the outer wall of the screw rod (4) in a threaded mode, a sliding groove (7) is formed in the outer side of the inner cavity of the column (2) along the upper direction and the lower direction, a matched sliding block (8) is clamped to the bottom, a net (10) is welded on the inner side of the connecting rod (9), a first gear (11) is welded at the bottom end of the screw rod (4), the inner cavity of the rectangular box (3) is axially connected with a first round shaft (12) along the front and back direction, the front end and the rear end of the outer wall of the first round shaft (12) are respectively provided with a second gear (13) which is engaged with the first gear (11) in an interference fit manner, the front side of the inner cavity of the rectangular box (3) is axially connected with a second round shaft (14) along the left-right direction, the second round shaft (14) is positioned at the bottom end of the first round shaft (12), a rectangular box (3) extends out of the right side of the second round shaft (14), a third gear (15) meshed with the second gear (13) is in interference fit with the left side of the outer wall of the second round shaft (14), the right side welding of second circle axle (14) has handle (16), table leg (17) have all been welded to the bottom left and right sides of desktop (1).

2. The table tennis table of claim 1, wherein: the upper half part of the outer wall of the screw rod (4) is provided with threads, and the lower half part of the screw rod (4) is unthreaded.

3. The table tennis table of claim 1, wherein: the distance that the connecting rod (9) extends out of the through hole (5) is 1 cm.

4. The table tennis table of claim 1, wherein: the diameter of the third gear (15) is smaller than the diameter of the second gear (13).

5. The table tennis table of claim 1, wherein: the height of the screw thread on the outer wall of the screw rod (4) is the same as the height of the inner side of the through hole (5).