CN113318405B - Domestic table tennis table - Google Patents

Abstract

The invention discloses a household table tennis table, which comprises two table tennis tables with the same structure and size, wherein each table tennis table comprises an underframe and an electric lifting mechanism arranged on the underframe, the top end of a driving rod of the electric lifting mechanism is fixed with a top frame, a table top is hinged on the top frame, and the top frame and the table top are provided with a gas spring which enables the table top to be vertical when in a natural extension state; after the compressed gas springs are arranged on the top frame and the table plate, the elastic buckles of the top frame and the table plate are locked when the table plate is in a horizontal state; the joint of the two table boards of the table is provided with two male and female clamping devices for clamping; four universal wheels are arranged on the underframe; the sector block at the front end of the ring of the male buckle and the arc-shaped groove and the arc-shaped strip on the female buckle are mutually embedded and locked. The height of the table tennis table is electrically adjustable, and the single-person practice table and the double-person pair table tennis table are convenient and labor-saving to convert; when not in use, the elastic buckles of the respective ball tables are separated, so that the table plates of the two ball tables are in a vertical state, and the storage space is saved.

Description

Domestic table tennis table

Technical Field

The invention relates to the technical field of sports fitness equipment, in particular to a household table tennis table.

Background

The table tennis table is also called ping-pong table. As the table tennis ball serving as a national ball is suitable for all ages, people have more and more extensive requirements on the table tennis table and higher requirements on the functions of the table tennis table. However, the domestic table tennis table in the prior art still has the following disadvantages and cannot completely meet the individual requirements of people: if the height is electrically adjusted, the single-person practice table and the double-person pair table can not be converted or can be converted difficultly; the two tables are independently separated, the locking process without a locking structure or the locking structure is labor-consuming and time-consuming, and the levelness of the two locked table plates is not ideal; can be folded and stored when not in use to save space, and other functions are difficult to combine. Improvements are needed.

Disclosure of Invention

The invention aims to solve the technical problem of providing a household table tennis table which is electrically adjustable in height, convenient to convert between a single-person practice table and a double-person pair table and saves labor.

The technical scheme of the invention is that the household table tennis table comprises two table tennis tables with the same structure and size, wherein each table tennis table comprises an underframe and an electric lifting mechanism arranged on the underframe, the top end of a driving rod of the electric lifting mechanism is fixed with a top frame, a table top is hinged on the top frame, and the top frame and the table top are provided with a gas spring which enables the table top to be vertical when in a natural extension state; the elastic buckling device locks the top frame and the table plate when the table plate is in a horizontal state after the top frame and the table plate are provided with compressed air springs; a plurality of male and female buckling devices used for being mutually clamped and fixed are arranged at the joint of the table plates of the two ball tables, and arc-shaped grooves and arc-shaped strips which are mutually horizontally embedded are arranged on the edges of the fan-shaped blocks and the female buckles of the male buckles so as to enable the two table plates to be flush; the chassis is provided with a plurality of universal wheels.

After adopting above structure, the table tennis table of the invention has the following advantages: two ball tables are independently separately, the structure size is the same completely, the table homoenergetic is vertical state or horizontality, but high electric regulation, and can link the high synchronous control who is two ball tables, when needing single exercise, paste the one end limit of vertically ball desktop and horizontally ball desktop mutually, be the ball table of single exercise promptly, when needing double to beating, then pull vertically desktop and push down around the articulated axis, overcome the elasticity of air spring, it makes roof-rack and the relative buckle of table fixed to slowly descend elastic buckle device when the table of this ball table is the horizontality, paste the end limit of two ball tables mutually and set up two ball tables with public female buckle device after the parallel and level again. Two ball tables are independently separated, the ball table for single person practice and the double ball tables for double playing are labor-saving, time-saving, convenient and safe, the height of the table top is adjusted by an electric lifting mechanism, the table top is labor-saving and efficient, the two tables can be synchronously adjusted and aligned, the two table plates in the horizontal state are firmly and reliably clamped by a male and female clamping device, particularly, arc-shaped grooves and arc-shaped strips which are horizontally embedded with each other are arranged on the edges of the fan-shaped block and the female buckle of the male buckle, so that the two table plates are aligned, the aligned level comprises the horizontal planes of the upper surfaces of the two table plates and the side edges of the two table plates, the two table plates are aligned because the design is calculated, as long as the male buckle is embedded with the female buckle, the upper planes of the table plates of the two ball tables are the horizontal planes, the two end edges of the two table plates are tightly attached, and the two side edges of the two table plates are aligned or aligned on the same straight line. When the table is not used, the elastic clamping devices of the respective table are separated, so that the table plates of the two tables are in a vertical state, and the storage space is saved. After the universal wheels are arranged on the underframe, each table can move on the ground more flexibly, conveniently and conveniently, so that the table for single person practice and the table for double players to play can be converted and can be placed more conveniently and more conveniently in a labor-saving, time-saving and labor-saving manner.

Furthermore, the bottom frame is a first I-shaped frame, the electric lifting mechanism is positioned in the middle of a first straight rod of the first I-shaped frame, the top frame is a second I-shaped frame, the top end of a driving rod of the electric lifting mechanism is positioned in the middle of a second straight rod of the second I-shaped frame, the vertical projections of the first straight rod of the first I-shaped frame and the second straight rod of the second I-shaped frame form 90 degrees, an Contraband-shaped frame is fixed on the bottom surface of the desk plate, two third straight rods of the Contraband-shaped frame are hinged with a second cross rod of the second I-shaped frame, and two ends of the gas spring are respectively fixed on a third straight rod of the Contraband-shaped frame and a second cross rod of the second I-shaped frame. After adopting above structure, the supporting structure of table board is simple, stable and reliable, and electric regulation simple structure, job stabilization are reliable, and every table is all that area is little, occupation space is little when the table board is the vertical state.

Further, the number of the male and female snap devices is preferably two. After the structure is adopted, under the premise of saving material cost and operating the adjusting piece as simple and convenient as possible, the connection of the horizontal joint of the two ball tables is more reliable and stable, and the parallel degree is better.

Further, the structure of each male and female buckle device is as follows: the female buckle is a large trimming-edge disc which is fastened on the bottom surfaces of the table plates through a plurality of screws penetrating through the through holes, the trimming edge is parallel to the edge of the joint of the two table plates, an arc-shaped groove with a downward opening is formed in the trimming edge, two ends of the arc-shaped groove with the downward opening are first notches, and the outer side edge of the arc-shaped groove with the downward opening is a first arc-shaped strip; the male buckle comprises a small disc, the small disc is also fastened on the bottom surface of the table plate through a plurality of screws penetrating through the through holes, a circular ring is rotatably sleeved on the outer circumference of the small disc, a sector block extending in the radial direction is arranged on the front side surface of the circular ring, an arc-shaped groove with an upward opening at one side is arranged on the upper surface of the sector block, a second notch is arranged at one end of the arc-shaped groove with the upward opening, a second arc-shaped strip is arranged on the outer side edge forming the arc-shaped groove with the upward opening, and a rotating handle is arranged on the rear side surface of the circular ring; the arc-shaped groove with the upward opening is used for being embedded with the first arc-shaped strip, and the arc-shaped groove with the downward opening is used for being embedded with the second arc-shaped strip so as to be mutually locked. After adopting above structure, public female buckle device has the function of automatic alignment, makes the both sides face and the high alignment of two tables when making the terminal surface of two ball tables paste and firmly lock, makes the parallel and level degree of two tables more ideal.

Further, the structure of the elastic buckle device is as follows: an Contraband-shaped fixture block with an opening facing the top frame and a chamfer is fixed on the outer side surface of the top frame away from the hinge joint, and the outer side surface of the Contraband-shaped fixture block is an inclined surface inclined from top to bottom; the third cross bar at the corresponding position of the bottom surface of the desk plate and the Contraband-shaped clamping block is provided with a clamping tongue which is in sliding fit with the clamping seat and is propped against the outside of the spring, the upper surface of the clamping tongue is used for being buckled with the lower surface of the Contraband-shaped clamping block to be locked with each other, and the cross bar at the bottom surface of the desk plate is also provided with a shifting block which shifts the clamping tongue to be disconnected with the Contraband-shaped clamping block. After the structure is adopted, the table plate is only required to be pressed to be in a horizontal state by rotating the table plate, the elastic buckling device automatically locks and fixes the table plate and the top frame, when the table plate needs to be converted into a vertical state, the shifting block is also only required to be stirred to enable the clamping tongue to oppress the spring so as to enable the clamping tongue to be separated from the clamping block, under the stretching force of the air spring, the table plate slowly rises until the table plate is vertical, and the conversion process is labor-saving, time-saving, convenient and safe.

Further, the hinge structure of the table plate and the top frame is as follows: two sides of the bottom surface of the table plate are respectively fixed with a first hinge shaft, the two first hinge shafts are coaxial, a first hinge shaft seat corresponding to the two first hinge shafts respectively is fixed on the top frame, and the first hinge shafts are rotatably matched in shaft holes of the respective first hinge shaft seats. After the structure is adopted, the table board and the top frame are simple in hinged structure, flexible and reliable in rotation and strong in working stability.

Furthermore, one end of a cylinder of the gas spring and the free end of a piston rod of the gas spring are hinged with the bottom surface of the table board and the top frame respectively. After the structure more than adopting, the one end of cylinder can be articulated with the table, also can be articulated with the roof-rack, and the free end of the piston rod of air spring then can be articulated with the roof-rack, also can be articulated with the table, and the installation is dismantled all conveniently and unrestricted, and the table is more nimble at 90 within range rotations, the extension and the compression process of air spring, and operational reliability is stronger.

Furthermore, a second hinge shaft is fixed on a straight rod arranged on the bottom surface of the table plate, a second hinge shaft seat is fixed on the rear end of a cylinder of the gas spring, and a shaft hole of the second hinge shaft seat is in running fit with the second hinge shaft; a third hinge shaft is fixed on the top frame through two lug plates, a third hinge shaft seat is fixed on the free end of a piston rod of the air spring extending out of the front end of the air cylinder, and a shaft hole of the third hinge shaft seat is in running fit with the third hinge shaft. After the structure is adopted, the connecting structure of the air spring and the bottom surface of the table plate is simple, the rotation is flexible and reliable, the connecting structure of the free end of the piston rod and the top frame is simple, the rotation is flexible and reliable, and the working stability of the air spring is better.

Furthermore, a cross bar on the outer side of the top frame far away from the hinged part is provided with a straight groove for accommodating two straight bars of the Contraband-shaped frame on the bottom surface of the desk board. After adopting above structure, the structure when the table is the level is more stable, reliable, and its levelness is better.

Drawings

Fig. 1 is a schematic view (front view direction) of a three-dimensional structure of a table tennis table of the present invention in a double-player-to-table manner.

Fig. 2 is a schematic view (in a bottom view) of a three-dimensional structure of the table tennis table of the present invention in a two-player table.

Fig. 3 is a first schematic view (bottom view) of the explosion structure of the male and female locking devices of the present invention.

Fig. 4 is a schematic diagram of an exploded structure of the male and female snap devices in the present invention in two top views).

Fig. 5 is a schematic perspective view (side-up view) of a table tennis table of the present invention in a two-player table.

Fig. 6 is an enlarged schematic view of a in fig. 5.

Fig. 7 is a schematic perspective view of the table tennis table of the present invention in the form of a single-person practice table.

Fig. 8 is an enlarged structural view of B in fig. 7.

Fig. 9 is an enlarged structural view of C in fig. 7.

Fig. 10 is an exploded view of the latch seat, the latch and the moving block of the elastic latch device according to the present invention.

Fig. 11 is an assembled structural schematic diagram of the latch seat, the latch and the shifting block of the elastic latch device of the present invention.

Fig. 12 is a schematic structural view of the table boards of the two table tennis tables in a vertically folded state.

Shown in the figure: 1. a table plate, 2, an electric lifting mechanism, 3, a first I-shaped frame, 4, a universal wheel, 5, a table plate bottom surface, 6, an air spring, 7, a first straight rod, 8, a male and female buckling device, 9, an edge at the joint of the two table plates, 10, a third straight rod, 11, Contraband-shaped frames, 12, an elastic buckling device, 13, a female buckle, 14, a large disc of the trimming, 15, a through hole, 16, the trimming, 17, a sector block, 18, a small disc, 19, a rotating handle, 20, a male buckle, 21, a circular ring, 22, a second notch, 23, a second arc strip, 24, an arc groove with a downward opening, 25, a first notch, 26, a first arc strip, 27, an arc groove with an upward opening, 28, a second I-shaped frame, 29, a second cross rod, 30, a second straight rod, 31, a first hinge shaft, 32, a first hinge shaft seat, 33, a second hinge shaft seat, 34, a second hinge shaft seat, 35 and an air cylinder, 36. the spring comprises an ear plate 37, a third hinge shaft 38, a piston rod 39, a third hinge shaft seat 40, a straight groove 41, a first cross rod 42, a third cross rod 43, a shifting block 44, a locking screw 45, a clamping seat 46, a clamping tongue 47, a clamping block shaped like Contraband, a slope 48, a chamfer 49, a chamfer 50, a connecting column 51 and a cylindrical spring.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It is to be noted that the description of the embodiments is provided to aid understanding of the present invention, and is not to be construed as limiting the present invention. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, 2, 5, 7 and 12.

The invention relates to a household table tennis table, which comprises two table tennis tables with the same structure and size. Each table comprises a first i-shaped frame 3 having a bottom frame as described below and an electric lift mechanism 2 mounted on the first i-shaped frame 3 having a bottom frame as described below, and a second i-shaped frame 28 having a top frame as described below is fixed to the top end of a driving rod (not shown) of the electric lift mechanism 2. The table 1 is hinged to a top frame such as a second i-frame 28. The top frame, such as the second I-shaped frame 28, and the table board 1 are provided with the gas spring 6 which enables the table board 1 to be vertical when in a natural extension state. The elastic buckling device 12 of the top frame, such as the second cross bar 29 of the second I-shaped frame 28 and the third cross bar 42 of the table bottom surface 5 of the table 1, is locked when the table 1 is in a horizontal state after the compressed gas spring 6 is arranged on the top frame. At least one male and female clamping device 8 for mutually clamping is arranged at the joint of the table plates 1 of the two table tennis tables. The number of the male and female buckling devices 8 is preferably two, and the two male and female buckling devices can be respectively arranged on two sides of the bottom surface 5 of the desk board close to the side edges. A male and female buckle device 8 may also be referred to as a pair of male and female buckle devices 8, or a set of male and female buckle devices 8. It will be appreciated that the joint between the panels 1 of the two tables is generally a horizontal joint.

The electric lifting structure can adopt a ball screw pair: the device comprises a square outer tube fixed in the middle of a connecting rod of a first I-shaped frame 3 in the middle of an underframe, wherein a servo motor is arranged at the lower part in a square inner tube, a screw rod with the same axis is arranged on an upward shaft of the servo motor, a square inner tube is arranged in the square outer tube in a sliding fit mode, a nut screwed with the screw rod is arranged at the bottom end of the square inner tube, and the top end of the square inner tube is fixed with the middle of a connecting rod of a second I-shaped frame 28 in the center of a top frame. Of course, the electric lifting structure can also adopt an air cylinder or an oil cylinder, the air cylinder or the oil cylinder is fixed in the middle of the bottom frame, and the free end of the piston rod is fixed in the middle of the top frame.

The underframe is preferably a first i-shaped frame 3, and the electric lifting mechanism 2 is positioned in the middle of the first straight rod 7 of the first i-shaped frame 3, which can be understood as the middle in the length direction, and certainly in the middle in the width direction. The top frame is preferably a second i-shaped frame 28, and the top end of the driving rod of the electric lifting mechanism 2 is located in the middle of the second straight rod 30 of the second i-shaped frame 28, which is understood to be the middle in the length direction, and certainly the middle in the width direction. The vertical projections of the first straight rod 7 of the first I-shaped frame 3 and the second straight rod 30 of the second I-shaped frame 28 form 90 degrees with each other, an Contraband-shaped frame 11 is fixed on the bottom surface 5 of the desk board, and two third straight rods 10 of the Contraband-shaped frame 11 are hinged with a second cross rod 29 of the second I-shaped frame 28. It is understood that the first straight rod 7 of the first i-shaped frame 3 is a connecting rod, two ends of the first straight rod 7 are connected with two parallel first cross rods 41, and the two first cross rods 41 can have equal length. The second straight rod 30 of the second i-shaped frame 28 is a connecting rod, two ends of the second straight rod 30 are connected with two second cross rods 29 which are parallel to each other, and the two second cross rods 29 can be different in length and can be long and short.

Preferably, a plurality of casters 4 are provided on the chassis. For example, two universal wheels 4 are respectively arranged at two ends of each first cross rod 41 of the first I-shaped frame 3, and four universal wheels 4 are respectively arranged on each table.

As shown in fig. 2, 3, 4, and 5, each of the male and female snap devices 8 preferably has a structure that: the female buckle 13 is a large disc 14 with cut edges, the large disc 14 with cut edges is fastened on the bottom surface 5 of the desk plate by a plurality of screws (not shown in the figures) penetrating through holes 15, and the outer ends of the through holes 15 are generally counter bores for accommodating the large ends of the screws. The cut-off edge 16 is parallel to the edge 9 where the two tables are joined. The edge 9 at the joint of the two table boards is the edge which is attached when the respective table boards 1 of the two table boards are mutually combined. The cutting edge 16 is provided with an arc-shaped groove 24 with a downward opening, two ends of the arc-shaped groove 24 with the downward opening are both provided with first notches 25 or first notches 25, and the outer side edge of the arc-shaped groove 24 with the downward opening is provided with a first arc-shaped strip 26. The male button 20 comprises a small disc 18, which small disc 18 is also fastened to the table bottom 5 by a plurality of screws (not shown in the figures) passing through the through holes 15. The outer circumference of the small disc 18 is rotatably sleeved with a ring 21, the front side surface of the ring 21 is provided with a sector 17 extending radially, the front side of the ring 21 can also be expressed as the sector 17 extending radially, the upper surface of the sector 17 is provided with an arc-shaped groove 27 with an upward opening, one end of the arc-shaped groove 27 with the upward opening is provided with a second notch 22 or provided with the second notch 22, the outer side edge forming the arc-shaped groove 27 with the upward opening is provided with a second arc-shaped strip 23, the rear side surface of the ring 21 is provided with a rotating handle 19, and the rear side of the ring 21 can also be expressed as the rotating handle 19. The arc-shaped groove 27 with the opening facing upward is used for being embedded with the first arc-shaped strip 26, and the arc-shaped groove 24 with the opening facing downward is used for being embedded with the second arc-shaped strip 23 so as to be mutually locked. The upper surface of segment 17 may also be referred to as the upwardly facing surface of segment 17. When the rotating handle 19 is shifted to rotate the ring 21 to drive the sector 17 to rotate, the arc-shaped groove 27 with the upward opening is mutually embedded with the first arc-shaped strip 26, and the arc-shaped groove 24 with the downward opening is mutually embedded with the second arc-shaped strip 23. It will be understood that, since the design is calculated: as long as the arc-shaped grooves and the arc-shaped strips are mutually embedded, the upper planes of the table plates 1 of the two table tennis tables are on the same horizontal plane, the two end edges of the two table plates 1 are tightly attached, and the two side edges of the two table plates 1 are parallel and level or are in the same straight line. It will be understood that the large and small disks are relative concepts, with the box 13 being larger in size relative to the pin 20 and the pin 20 being smaller in size relative to the box 13.

As shown in fig. 2, 5, 7, 8, 9, 10, 11, and 12, the elastic buckle device 12 preferably has a structure in which: an Contraband-shaped fixture block 47 with an opening facing the top frame, such as the opening facing the second cross bar 29 and a chamfer 49, is fixed on the outer side of the top frame far away from the hinge or the outer side surface of the top frame far away from the hinge, such as the outer side of the second I-shaped frame 28, namely the outer side of the second cross bar 29, and the outer side surface of the Contraband-shaped fixture block 47 is an inclined surface 48 which inclines from top to bottom to outside so as to press a below-described fixture tongue 46 conveniently. The third cross bar 42 at the corresponding position of the bottom surface 5 of the desk board and the Contraband-shaped block 47 is provided with a block tongue 46 which is in sliding fit with the block seat 45 and is propped by a spring such as a cylindrical spring 51, and the upper surface of the block tongue 46 is used for being buckled with the lower surface of the Contraband-shaped block 47 so as to be locked with each other. The third cross bar 42 on the bottom surface 5 of the desk board is also provided with a shifting block 43 for shifting a clamping tongue 46 to disengage from a Contraband-shaped clamping block 47. As can be seen from the figure, two buckle seats 45 are fixed on the third cross bar 42 by using the locking screws 44, two ends of the latch 46 are slidably fitted in the sliding grooves on the inner side of the buckle seat 45, two ends of the spring 51 respectively abut against the third cross bar 42 and the latch 46, and the three connecting posts 50 connect the dial block 43 with the latch 46, for example, by using screw threads or welding. When the desk board 1 is in a horizontal state, the third cross bar 42 of the Contraband-shaped frame 11 is located at the outer side of the other second cross bar 29 of the second i-shaped frame 28, a gap is formed between the two cross bars, and when the desk board 1 is pressed downwards to be in a horizontal state, the clamping tongue 46 and the Contraband-shaped clamping block 47 are mutually locked to fix the desk board 1 and a top frame such as the second i-shaped frame 28. When the dial block 43 is pulled, the latch 46 is driven to compress the spring 51, so that the latch 46 is disengaged from the Contraband-shaped latch block 47, and the table board 1 can rotate around the axis of the first hinge shaft 31 to be described below, so as to be in a vertical state. Latch 46 may also be referred to as a locking tongue. The chamfer 49 described above can be understood as and provided with a chamfer 49, the chamfer 49 can be an arc angle.

As shown in fig. 2, 5, 6, 7 and 12.

Both ends of the gas spring 6 are respectively fixed on a third straight rod 10 of the Contraband-shaped frame 11 and a second cross rod 29 of the second I-shaped frame 28.

The hinging structure of the table board 1 and the top frame like the second i-shaped frame 28 is as follows: two third straight rods 10 of the Contraband-shaped frame 11 on two sides of the bottom surface 5 of the desk board are respectively fixed with a first hinge shaft 31 in a riveting or screwing way, the two first hinge shafts 31 are coaxial, a top frame such as a second cross rod 29 of the second I-shaped frame 28 is fixed with a first hinge shaft seat 32 corresponding to the two first hinge shafts 31 respectively in a welding way, and the first hinge shafts 31 are rotatably matched in shaft holes of the respective first hinge shaft seats 32. The specific structure of the first hinge shaft seat 32 may be: two otic placodes welding have a axle sleeve on the second horizontal pole 29, two otic placodes welding, and the one end of first hinge 31 is riveted on third straight-bar 10, and the other end of first hinge 31 has the external screw thread, and the external screw thread is gone up to close soon has axial stop nut.

One end of the air cylinder 35 of the air spring 6, such as the rear end, and the free end of the piston rod 38 of the air spring 6 are respectively hinged with the bottom surface 5 of the table board and the top frame. Such as: a third straight rod 10 arranged on the bottom surface 5 of the table plate is fixedly riveted or screwed with a second hinge shaft 33, the rear end of a cylinder 35 of the gas spring 6 is fixedly welded with a second hinge shaft seat 34 such as a shaft sleeve, the shaft hole of the second hinge shaft seat 34 is rotatably matched on the second hinge shaft 33, and the outer end of the second hinge shaft 33 can also be provided with an axial limiting device such as an open pin which is transversely inserted into a radial hole of the second hinge shaft 33. A second cross rod 29 of the top frame, such as the second I-shaped frame 28, is fixed, such as welded, by two lug plates 36, with a third hinge shaft 37, the free end of a piston rod 38 of the gas spring 6 extending out of the front end of the cylinder is fixed, such as welded, with a third hinge shaft seat 39, such as a shaft sleeve, and the shaft hole of the third hinge shaft seat 39 is in rotating fit with the third hinge shaft 37. One end of the third hinge shaft 37 may be a big end, the other end of the third hinge shaft passing through the holes of the two ear plates 36 may have an external thread, and the axial limit nut is screwed on the external thread. The two ends or one end of the hinge shaft can be provided with a gasket.

The second cross bar 29 on the outside of the top frame, such as the second i-shaped frame 28, away from the hinge joint may have straight grooves 40 for receiving the two third straight bars 10 of the Contraband-shaped frame 11 of the bottom surface 5 of the desk.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a domestic table tennis table, includes the same table of two structure sizes, its characterized in that: each table comprises an underframe and an electric lifting mechanism arranged on the underframe, wherein a top frame is fixed at the top end of a driving rod of the electric lifting mechanism, a table plate is hinged on the top frame, and an air spring which enables the table top to be vertical when the top frame and the table plate are in a natural extension state is arranged on the top frame and the table plate; the elastic buckling device locks the top frame and the table plate when the table plate is in a horizontal state after the top frame and the table plate are provided with compressed air springs; the joint of the table plates of the two ball tables is provided with a plurality of male and female buckle devices which are used for mutually clamping and fixing, and arc-shaped grooves and arc-shaped strips which are mutually embedded in the horizontal direction are arranged on the edges of the fan-shaped blocks of the male buckle and the female buckle so as to enable the two table plates to be parallel and level; a plurality of universal wheels are arranged on the underframe;

the female buckle is a large trimming disc which is fastened on the bottom surface of the table plate by a plurality of screws penetrating through the through holes, the trimming edge is parallel to the edge of the joint of the two table plates, an arc-shaped groove with a downward opening is formed in the trimming edge, two ends of the arc-shaped groove with the downward opening are both provided with first notches, and the outer side edge of the arc-shaped groove with the downward opening is a first arc-shaped strip; the male buckle comprises a small disc, the small disc is also fastened on the bottom surface of the table plate by a plurality of screws penetrating through the through holes, a circular ring is rotatably sleeved on the outer circumference of the small disc, a sector block extending in the radial direction is arranged on the front side surface of the circular ring, an arc-shaped groove with an upward opening is formed in the upper surface of the sector block, a second notch is formed in one end of the arc-shaped groove with the upward opening, a second arc-shaped strip is arranged on the outer side edge forming the arc-shaped groove with the upward opening, and a rotating handle is arranged on the rear side surface of the circular ring; the arc-shaped groove with the upward opening is used for being embedded with the first arc-shaped strip, and the arc-shaped groove with the downward opening is used for being embedded with the second arc-shaped strip so as to be mutually locked.

2. The home table tennis table of claim 1, wherein: the bottom frame is a first I-shaped frame, the electric lifting mechanism is positioned in the middle of a first straight rod of the first I-shaped frame, the top frame is a second I-shaped frame, the top end of a driving rod of the electric lifting mechanism is positioned in the middle of a second straight rod of the second I-shaped frame, the vertical projections of the first straight rod of the first I-shaped frame and the second straight rod of the second I-shaped frame form 90 degrees, an Contraband-shaped frame is fixed on the bottom surface of the table plate, two third straight rods of the Contraband-shaped frame are hinged with a second cross rod of the second I-shaped frame, and two ends of the air spring are respectively fixed on a third straight rod of the Contraband-shaped frame and a second cross rod of the second I-shaped frame.

3. The home table tennis table of claim 1, wherein: the number of the male and female buckling devices is two.

4. The home table tennis table of claim 1, wherein: the structure of the elastic buckle device is as follows: an Contraband-shaped fixture block with an opening facing the top frame and a chamfer is fixed on the outer side surface of the top frame away from the hinge joint, and the outer side surface of the Contraband-shaped fixture block is an inclined surface inclined from top to bottom; the third cross bar at the corresponding position of the bottom surface of the desk plate and the Contraband-shaped clamping block is provided with a clamping tongue which is in sliding fit with the clamping seat and is propped against the outside of the spring, the upper surface of the clamping tongue is used for being buckled with the lower surface of the Contraband-shaped clamping block to be locked with each other, and the cross bar at the bottom surface of the desk plate is also provided with a shifting block which shifts the clamping tongue to be disconnected with the Contraband-shaped clamping block.

5. The home table tennis table of claim 1, wherein: the hinged structure of the table plate and the top frame is as follows: two sides of the bottom surface of the table plate are respectively fixed with a first hinge shaft, the two first hinge shafts are coaxial, the top frame is fixed with first hinge shaft seats respectively corresponding to the two first hinge shafts, and the first hinge shafts are rotatably matched in shaft holes of the respective first hinge shaft seats.

6. The home table tennis table of claim 1, wherein: one end of a cylinder of the gas spring and the free end of a piston rod of the gas spring are respectively hinged with the bottom surface of the table board and the top frame.

7. The home table tennis table of claim 6, wherein: a second hinge shaft is fixed on a third straight rod arranged on the bottom surface of the table plate, a second hinge shaft seat is fixed on the rear end of a cylinder of the air spring, and a shaft hole of the second hinge shaft seat is in rotating fit with the second hinge shaft; a third hinge shaft is fixed on the top frame through two lug plates, a third hinge shaft seat is fixed on the free end of a piston rod of the air spring extending out of the front end of the air cylinder, and a shaft hole of the third hinge shaft seat is in running fit with the third hinge shaft.

8. The home table tennis table of claim 1, wherein: the second cross bar at the outer side of the top frame far away from the hinged part is provided with a straight groove for accommodating two third straight bars of the Contraband-shaped frame at the bottom surface of the desk board.

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