CN114699747B

CN114699747B - Table tennis table of manifold use

Info

Publication number: CN114699747B
Application number: CN202210437602.8A
Authority: CN
Inventors: 张燕; 何俊伟; 房立均
Original assignee: Jiangsu Jiewei Sports Facilities Co ltd
Current assignee: Jiangsu Jiewei Sports Facilities Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2023-04-18
Anticipated expiration: 2042-04-25
Also published as: CN114699747A

Abstract

The invention relates to a table tennis table for diversified use. The device is including the base, be provided with the high adjustment mechanism that bilateral symmetry set up on the base, including two sets of four-bar linkage in the high adjustment mechanism, the device is through the setting of two sets of four-bar linkage for when carrying out the table altitude variation regulation, can remain the levelness of table throughout, the setting of two-way lead screw can be accomplished and neat with right table in the left table behind the altitude mixture control, also can guarantee when adjusting the table height that a monoblock plate is constituteed simultaneously, also can remain the levelness of table throughout, the device is applicable to among the industrial production, has very strong practicality.

Description

Table tennis table of manifold use

Technical Field

The invention belongs to the technical field of sports equipment, and particularly relates to a table tennis table capable of being used in various ways.

Background

With the continuous improvement of the living standard of people, more and more people pay attention to the living quality of the people and start sports corresponding to the people. The table tennis sport is a national ball sport in China, is greatly popularized in practice, and is widely suitable for physical exercise requirements at various ages due to the characteristics of moderate exercise amount, mild antagonism, no need of direct physical contact and the like.

The table tennis table is an indispensable device for serving as a support structure of the sports. The table tennis table comprises a table tennis table body and a table tennis table body, wherein the table tennis table body is constructed by splicing an integral plate and two plates, the levelness of the table tennis table body can be changed in the process of height adjustment of the table tennis table, or a height error can exist in the table tennis table body of the two table bodies when the two plates are constructed by splicing.

Disclosure of Invention

In order to achieve the purpose, the invention is realized by the following technical scheme:

a table tennis table for various uses comprises a base, wherein the base is provided with height adjusting mechanisms which are bilaterally symmetrically arranged, each height adjusting mechanism comprises a platform, the free end of the outer side of the platform is hinged with a first rod piece inclining upwards, the upper end surface of the inner side of the platform is provided with a first frame body, a driving shaft is inserted in the first frame body in a penetrating manner, the driving shaft is hinged with a second rod piece, a third rod piece is connected between the second rod piece and the first rod piece, the lower end of the third rod piece is hinged with the free end of the first rod piece, the upper end of the third rod piece is hinged with the free end of the second rod piece, the upper end of the third rod piece extends to a fourth rod piece inclining upwards, the fourth rod piece and the third rod piece are arranged integrally, the upper end of the fourth rod piece is connected with a left table, and a vertical downward extending part is arranged below the left table at the free end of the fourth rod piece, a balance rod is arranged between the fourth rod piece and the second rod piece, the balance rod comprises an oblique rod section hinged with the middle part of the second rod piece, the oblique rod section is connected with a bending section, the free end of the bending section is hinged with the extending part, the driving shaft is provided with a first connecting part, a second frame body is arranged on the platform positioned below the second rod piece, a driven shaft is inserted in the second frame body, the driven shaft is provided with a second connecting part, the first connecting part and the second connecting part are connected through a tension spring, the driving shaft is also provided with a third connecting part, the third connecting part is connected with a transition plate, a base positioned at the inner side of the platform is provided with a mounting seat, the mounting seat is hinged with an air cylinder, the free end of the air cylinder piston rod facing the transition plate is connected with the transition plate, a horizontal sliding groove is arranged in the base, and a horizontal bidirectional lead screw is arranged in the sliding groove, the bidirectional screw rod is characterized in that a first sliding block and a second sliding block are respectively sleeved on one side of the bidirectional screw rod, the first sliding block is connected with the bottom of the platform, the second sliding block is connected with the bottom of the mounting base, a large bevel gear is sleeved at the optical axis of the bidirectional screw rod, a speed reducer is arranged on the base, a small bevel gear is connected to the free end of an output shaft of the speed reducer in a vertical and downward mode in a shaft coupling mode, the small bevel gear is connected with the large bevel gear in a meshing mode, and the upper end of a fourth rod element in the height adjusting mechanism on the right side is connected with a right ball table.

As preferred scheme, the equal joint in left side table and right table edge has U type card, and the alternate bolt that has inserted between the corresponding otic placode section of two U type cards, the bolt that passes U type card each end has all connect lock nut soon, is located to be provided with the net between two U type cards, the bolt passes the setting of net bottom.

As the preferred scheme, the middle part of the lower surface of the left table is provided with a U-shaped connecting rod, two lug plate sections of the connecting rod are respectively connected with two edges of the left table, and the extending part is connected with the middle part of the middle section of the connecting rod.

When the invention works, when the height of the ball table is adjusted, the air cylinders in the two height adjusting mechanisms synchronously supply air, when the ball table is lifted, the free end of the piston rod of the air cylinder pulls the transition plate, the transition plate drives the third connecting part and the driving shaft to rotate, so as to drive the second rod piece to rotate clockwise, the second rod piece, the first rod piece, the platform and the third rod piece are combined into a four-bar mechanism, the four-bar mechanism is connected with each ball table through the first rod piece, the height change of each ball table can be well controlled, but when the height change is controlled, the four-bar mechanism rotates to drive the ball table to change the angle, so that a balancing rod is added between the fourth rod piece and the second rod piece, when the ball table moves in height, according to the reason, the distance between the hinge point of the lower end of the extension part below the ball table and the lower end of the balance rod should be reduced, and the length of the balance rod can not be reduced, so that the setting of a bending part exerts force on the extension part in the opposite direction, the angle change of the ball table before the balance rod is added is offset by the design in the opposite direction, the front section of the second rod piece, the balance rod, the fourth rod piece and the extension part form another four-rod mechanism, the two groups of four-rod mechanisms are ingeniously arranged, so that the ball table always ensures the levelness when the height of the ball table is changed, and after the height of the left ball table and the right ball table is adjusted, a gap is inevitably generated between the two ball tables, the two-way screw rod is driven to rotate by the speed reducer, so that the left ball table and the right ball table synchronously move in the opposite direction or in the opposite direction, and the end surfaces of the left ball table and the right ball table are offset.

Compared with the prior art, the invention has the beneficial effects that: the device is through the setting of two sets of four-bar linkage for when carrying out the table altitude variation regulation, can remain the levelness of table all the time, the setting of two-way lead screw can be accomplished and neat with right table in the left table behind the altitude mixture, also can guarantee simultaneously when adjusting the table height that a monoblock plate is constituteed, also can remain the levelness of table all the time, the device is applicable to among the industrial production, has very strong practicality.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

In the figure: the ball rolling machine comprises a base, a platform, a first rod, a second rod, a third rod, a fourth rod, a fifth ball table, an extension part, a balance rod, a 1101 inclined rod section, a 1102 bending section, a first connecting part, a second connecting part, a third frame body, a driven shaft, a second connecting part, a tension spring, a fifth connecting part, a fourth connecting part, a third connecting part, a transition plate, a mounting seat, a cylinder, a chute, a sliding groove, a bidirectional screw, a 23 first sliding block, a 24 second sliding block, a bevel gear 25, a speed reducer 26, a bevel gear 27, a ball table 28, a U-shaped clamp 29, a bolt 30, a locking nut 31, a ball net 32 and a connecting rod 33, wherein the base is arranged on the base, the platform 2, the first rod, the driving shaft 5 and the second rod are arranged on the ball table 1.

Detailed Description

The technical solution of the present application will be further described and explained with reference to the accompanying drawings and embodiments.

As shown in figures 1-3, a table tennis table for various uses comprises a base 1, a height adjusting mechanism arranged symmetrically left and right is arranged on the base 1, the height adjusting mechanism comprises a platform 2, a first rod 3 inclining upwards is hinged on the free end of the outer side of the platform 2, a first frame body 4 is arranged on the upper end surface of the inner side of the platform 2, a driving shaft 5 is inserted in the first frame body 4, a second rod 6 is hinged on the driving shaft 5, a third rod 7 is connected between the second rod 6 and the first rod 3, the lower end of the third rod 7 is hinged with the free end of the first rod 3, the upper end of the third rod 7 is hinged with the free end of the second rod 6, a fourth rod 8 inclining upwards extends from the upper end of the third rod 7, the fourth rod 8 and the third rod 7 are arranged integrally, a left table 9 is connected with the upper end of the fourth rod 8, a vertical downward extending part 10 is arranged below the left table 9 at the free end of the fourth rod 8, a balance rod 11 is arranged between the fourth rod 8 and the second rod 6, the balance rod 11 comprises an oblique rod section 1101 hinged with the middle of the second rod 6, the oblique rod section 1101 is connected with a bending section 1102, the free end of the bending section 1102 is hinged with the extending part 10, a first connecting part 12 is arranged on the driving shaft 5, a second frame body 13 is arranged on the platform 2 positioned below the second rod 6, a driven shaft 14 penetrates through the second frame body 13, a second connecting part 15 is arranged on the driven shaft 14, the first connecting part 12 is connected with the second connecting part 15 through a tension spring 16, a third connecting part 17 is further arranged on the driving shaft 5, a transition plate 18 is connected with the third connecting part 17, a mounting seat 19 is arranged on the base 1 positioned on the inner side of the platform 2, an air cylinder 20 is hinged on the mounting seat 19, and the free end of a piston rod of the air cylinder 20 facing the transition plate 18 is connected with the transition plate 18, be provided with horizontally spout 21 in the base 1, be provided with the two-way lead screw 22 of horizontally in the spout 21, first slider 23 and second slider 24 have been cup jointed respectively to two-way lead screw 22 one side, first slider 23 is connected with platform 2 bottoms, second slider 24 is connected with mount pad 19 bottoms, big bevel gear 25 has been cup jointed to two-way lead screw 22's optical axis department, be provided with speed reducer 26 on the base 1, the vertical decurrent 26 output shaft free end of speed reducer has the coupling of little bevel gear 27, little bevel gear 27 is connected with big bevel gear 25 meshing, be located the height control mechanism on right side in the 8 upper ends of fourth member be connected with right ball platform 28. U-shaped clamps 29 are clamped on the edges of the left table 9 and the right table 28, bolts 30 are inserted between corresponding lug plate sections of the two U-shaped clamps 29, locking nuts 31 are screwed at each end of the bolts 30 penetrating through the U-shaped clamps 29, a net 32 is arranged between the two U-shaped clamps 29, and the bolts 30 are arranged through the bottom of the net 32. The middle part of the lower surface of the left table 9 is provided with a U-shaped connecting rod 33, two lug plate sections of the connecting rod 33 are respectively connected with two edges of the left table 9, and the middle part of the middle section of the extending part 10 is connected with the middle part of the connecting rod 33.

When the height of the table is adjusted, the air cylinders 20 in the two height adjusting mechanisms synchronously supply air, when the table is lifted, the free ends of the piston rods of the air cylinders 20 pull the transition plates 18, the transition plates 18 drive the third connecting parts 17 and the driving shafts 5 to rotate, so that the second rod pieces 6 are driven to rotate clockwise, the second rod pieces 6, the first rod pieces 3, the platform 2 and the third rod pieces 7 are combined into a four-rod mechanism, the four-rod mechanism is connected with the tables through the first rod pieces 3, so that the height change of each table can be well controlled, but when the height change is controlled, the table is driven to change the angle due to the rotation of the four-rod mechanism, so that the balance rods 11 are added between the fourth rod pieces 8 and the second rod pieces 6, and when the table is moved in height, the distance between the extending parts 10 below the table and the lower ends of the balance rods 11 is reduced according to the theory, because the balance bar 11 can not reduce the length of the balance bar, the arrangement of the bending part exerts force on the extension part 10 in the opposite direction, the design in the opposite direction counteracts the angle change of the ball table before the balance bar 11 is added, the front small section of the second rod piece 6, the balance bar 11, the fourth rod piece 8 and the extension part 10 form another four-bar mechanism, and the two groups of four-bar mechanisms are ingeniously arranged, so that the levelness of the ball table is always ensured when the height of the ball table is changed, and after the height of the left ball table 9 and the height of the right ball table 28 are adjusted, a gap is inevitably generated between the two ball tables, the bidirectional screw rod 22 is driven to rotate by the speed reducer 26, so that the left ball table 9 and the right ball table 28 synchronously move towards or away from each other, and the end faces of the left ball table 9 and the right ball table 28 abut against each other.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims

1. A table tennis table of diversified use which characterized in that: the height adjusting mechanism comprises a platform, a first rod piece inclining upwards is hinged to the free end of the outer side of the platform, a first frame body is arranged on the upper end face of the inner side of the platform, a driving shaft is inserted in the first frame body in a penetrating mode, a second rod piece is hinged to the driving shaft, a third rod piece is connected between the second rod piece and the first rod piece, the lower end of the third rod piece is hinged to the free end of the first rod piece, the upper end of the third rod piece is hinged to the free end of the second rod piece, a fourth rod piece inclining upwards extends from the upper end of the third rod piece, the fourth rod piece and the third rod piece are arranged integrally, a left ball table is connected to the upper end of the fourth rod piece, a vertically downward extending portion is arranged below the left ball table at the free end of the fourth rod piece, and a balancing rod is arranged between the fourth rod piece and the second rod piece, the balance rod comprises an inclined rod section hinged with the middle part of the second rod piece, the inclined rod section is connected with a bending section, the free end of the bending section is hinged with the extending part, a first connecting part is arranged on the driving shaft, a second frame body is arranged on the platform positioned below the second rod piece, a driven shaft is inserted in the second frame body, a second connecting part is arranged on the driven shaft, the first connecting part and the second connecting part are connected through a tension spring, a third connecting part is further arranged on the driving shaft, a transition plate is connected on the third connecting part, a mounting seat is arranged on a base positioned on the inner side of the platform, an air cylinder is hinged on the mounting seat, the free end of an air cylinder piston rod facing the transition plate is connected with the transition plate, a horizontal sliding groove is arranged in the base, a horizontal bidirectional screw rod is arranged in the sliding groove, and a first sliding block and a second sliding block are respectively sleeved on one side of the bidirectional screw rod, the two-way screw rod is characterized in that the first sliding block is connected with the bottom of the platform, the second sliding block is connected with the bottom of the mounting base, a large bevel gear is sleeved at the optical axis of the two-way screw rod, a speed reducer is arranged on the base, a small bevel gear is connected to the free end of an output shaft of the speed reducer in the vertical downward direction in a shaft coupling mode, the small bevel gear is connected with the large bevel gear in a meshing mode, and the upper end of a fourth rod piece in the height adjusting mechanism on the right side is connected with a right ball table.

2. A versatile table tennis table as defined in claim 1, wherein: the equal joint in left side table and right table edge has U type card, and the alternate bolt that has between the corresponding otic placode section of two U type cards, the bolt that passes U type card each end has all connect lock nut soon, is located to be provided with the net between two U type cards, the bolt passes the setting of net bottom.

3. A versatile table tennis table as defined in claim 2, wherein: the lower surface middle part of the left table is provided with a U-shaped connecting rod, two lug plate sections of the connecting rod are respectively connected with two side eaves of the left table, and the extending part is connected with the middle part of the middle section of the connecting rod.