CN112137288A - Module splicing type table tennis table - Google Patents

Module splicing type table tennis table Download PDF

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Publication number
CN112137288A
CN112137288A CN202010829310.XA CN202010829310A CN112137288A CN 112137288 A CN112137288 A CN 112137288A CN 202010829310 A CN202010829310 A CN 202010829310A CN 112137288 A CN112137288 A CN 112137288A
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plate
module
length
upright post
splicing
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CN112137288B (en
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王旭升
王春燕
陈亮
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Yancheng Ruite Health Development Co ltd
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Yancheng Ruite Health Development Co ltd
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B25/00—Card tables; Tables for other games
    • A47B25/003—Card tables; Tables for other games for table tennis
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/08—Table tops; Rims therefor
    • A47B13/081—Movable, extending, sliding table tops
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/18—Tables with tops of variable height with additional top or additional legs for varying the height of the top
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
    • A63B67/04—Table games physically beneficial for the human body, modelled on outdoor sports, e.g. table tennis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/93—Detection standards; Calibrating baseline adjustment, drift correction
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/16—Table tennis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8854—Grading and classifying of flaws
    • G01N2021/8874—Taking dimensions of defect into account
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8883—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges involving the calculation of gauges, generating models

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  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

The invention discloses a module splicing type table tennis table, which comprises: the table plate is arranged on the splicing plate, the lower surface of the splicing plate is connected with the splicing table legs, and the lower sides of the two ends of the telescopic net are respectively clamped in the middle positions of the left side and the right side of the splicing plate; the splice plate is rectangular and is formed by splicing three different module plates; can splice into the table tennis table of three kinds of not unidimensional through three kinds of different module boards, and the size of table tennis table is scaling, it is applicable in people of different heights or different ages, the different height of size control of concatenation table leg also can be according to the table tennis table, and still be equipped with the table of three kinds of not unidimensional, the expansion network that length can be adjusted at will, can supply the people of different heights to use, still be equipped with the detection device of the defective degree of detectable table, the defective degree of monitoring table, can in time change the table, give other people and bring better experience sense.

Description

Module splicing type table tennis table
Technical Field
The invention relates to the technical field of sports equipment, in particular to a module splicing type table tennis table.
Background
In our country, table tennis is very popular, and people of almost all ages can play table tennis, some people have entertainment and leisure, and some people have competition training; nowadays, a plurality of table tennis tables for people to use for entertainment are avoided in various parks. The ping-pong table has fixed standard size and height, and also has a proportionally reduced version of ping-pong table suitable for children entertainment, but both the standard ping-pong table and the reduced version of ping-pong table have fixed size, can not adapt to people with different heights to use, and can be reduced and enlarged by a certain proportion at any time to be suitable for people to use. Therefore, there is a need for a modular and sectional table tennis table that at least partially solves the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a module-spliced type table tennis table, comprising: the table plate is arranged on the splicing plate, the lower surface of the splicing plate is connected with the splicing table legs, and the lower sides of the two ends of the telescopic net are respectively clamped in the middle positions of the left side and the right side of the splicing plate; the splice plate is rectangular and is formed by splicing three different module plates;
the splice plate comprises a first module plate, a second module plate and a third module plate, wherein the first module plate is rectangular, the second module plate and the third module plate are L-shaped with different sizes, the inner side surface of the second module plate is selectively connected with the first module plate, and the outer side surface of the second module plate is selectively connected with the inner side surface of the third module plate.
Preferably, the length of the upper end of the second module plate is 1/2 the length of the short side of the first module plate, the length of the right end thereof is 1/2 the length of the long side of the first module plate, the length of the left side thereof is 3/2 the length of the long side of the first module plate, and the length of the lower side thereof is 3/2 the length of the short side of the first module plate; the length of the upper end of the third module plate is 1/2 of the length of the short side of the first module plate, the length of the right end of the third module plate is 1/2 of the length of the long side of the first module plate, the length of the left side of the third module plate is 2 times of the length of the long side of the first module plate, and the length of the lower side of the third module plate is 2 times of the length of the short side of the first module plate; the table is rectangle, and it all downwardly extending all around has the baffle, the long limit length of side of table 2 equals the left side length of side of third module board just the minor face length of side of table equals the downside length of side of third module board, or the long limit length of side of table equals the left side length of side of second module board just the minor face length of side of table equals the downside length of side of second module board, or the long limit length of side of table equals the long limit length of side of first module board just the minor face length of side of table equals the minor face length of side of first module board.
Preferably, four corners of the back of the first module plate are provided with three plug holes, the back of the upper end, the back of the right end and the back of the lower left corner of the second module plate are provided with three plug holes, and the back of the upper end, the back of the right end and the back of the lower left corner of the third module plate are provided with three plug holes.
Preferably, the left surface, the downside of first module board all are equipped with first recess, the inboard vertical face of second module board be equipped with the corresponding first connecting block of first recess, the inboard horizontal plane of second module board is equipped with length and is less than the second connecting block of first recess length, the vertical face and the horizontal plane in the outside of second module board all are equipped with the second recess, the inboard vertical face of third module board be equipped with the corresponding third connecting block of second recess, the inboard horizontal plane of third module board is equipped with length and is less than the fourth connecting block of second recess length.
Preferably, the bottom surfaces of the first groove and the second groove are provided with first magnets, the outer end surfaces of the first connecting block, the second connecting block, the third connecting block and the fourth connecting block are provided with second magnets, and the magnetism of the first magnets is opposite to that of the second magnets.
Preferably, the spliced desk legs comprise a first upright post, a second upright post, a third upright post and a fourth upright post, wherein the upper end of the first upright post is selectively connected with the lower end of the second upright post, the lower end of the third upright post and the lower end of the fourth upright post; the upper end of the second upright column is selectively connected with the lower end of the third upright column and the lower end of the fourth upright column; the upper end of the third upright column is selectively connected with the lower end of the second upright column and the lower end of the fourth upright column; the height of the first upright is 1/2 of the height of the second upright, the height of the first upright is equal to that of the fourth upright, and the height of the second upright is equal to that of the third upright.
Preferably, the lower end of the first upright post is provided with a supporting leg, and the upper end of the first upright post is provided with a threaded hole; the lower end of the second upright post is connected with a stud corresponding to the threaded hole, and the upper end of the second upright post is provided with the threaded hole; the lower end of the third upright post is connected with the stud corresponding to the threaded hole, and the upper end of the third upright post is provided with the threaded hole; the lower end of the fourth upright post is connected with the stud corresponding to the threaded hole, and the upper end of the fourth upright post is provided with three inserting posts corresponding to the inserting holes.
Preferably, the screw driver further comprises a connecting column, wherein the outer side of the connecting column is provided with external threads corresponding to the threaded hole, and the upper end of the connecting column is provided with three inserting columns corresponding to the inserting holes.
Preferably, the telescopic net comprises two bases, a sleeve is arranged on the upper surface of each base, connecting shafts extending inwards are arranged at the top and the bottom of each sleeve, a scroll connected with each sleeve in a rotating manner is arranged in each sleeve, holes corresponding to the connecting shafts are formed in the upper end and the lower end of each scroll, a net tray is arranged on the outer peripheral wall of each scroll close to the lower end of each scroll, a coil spring is sleeved on the outer side of each scroll below the net tray, one end of the inner side of each coil spring is fixedly connected with each scroll, one end of the outer side of each coil spring is fixedly connected with each sleeve, and two ends of each net are connected to the two scrolls respectively; one side of the sleeve is provided with an opening, and one end of the net passes through the opening to be connected with the side wall of the reel; the base comprises a side plate, an upper plate and a lower plate, the upper end of the side plate is connected with the left end of the upper plate, the lower end of the side plate is connected with the left end of the lower plate, the upper surface of the upper plate is connected with the lower end of the sleeve, the lower plate is provided with a screw rod in threaded connection with the upper plate, the upper end of the screw rod is provided with an anti-skidding block, and the lower end of the screw rod is provided with a handle.
Preferably, still include detection device, detection device activity is located the central point of the upper surface of table puts, be equipped with in the detection device and be used for detecting camera module and the projection module of table upper surface defectiveness still are equipped with the alarm device who is used for reporting to the police, detection device's concrete step of detecting is as follows:
step A1: dividing the upper surface of the table board into a plurality of detection areas, and respectively calculating a phase value of each detection area, wherein the specific calculation method comprises the following steps:
Figure BDA0002637337620000031
wherein A is the phase value of the detection area, BmThe phase value of the mth detection of the detection area is obtained, m is the detection frequency of the detection area, n is the total detection frequency of the detection area, sin is a sine function of a trigonometric function, cos is a cosine function of the trigonometric function, arctan is a tangent function of an inverse trigonometric function, pi is a natural constant, and m is 1,2,3, … … n;
step A2: according to the phase value A of the detection area, the relative height of the detection area can be calculated by the following formula:
Figure BDA0002637337620000032
＞＞(A-A0)
wherein H is the relative height of the detection region, A0The phase value is a phase value of a reference detection area, d is a distance from the camera module to the reference detection area, f is an optical frequency parameter value of the camera module, and is a distance parameter value from the projection module to the camera module;
step A3: based on the relative heights of the detection regions, a standard difference value of the defect degree of each detection region can be calculated by the following formula:
Figure BDA0002637337620000033
wherein the content of the first and second substances,ifor the defect level standard difference, H, of the ith detection areaiThe relative height of the ith detection area is shown, P is the number of the detection areas, and i is 1,2,3 … … and P;
step A4: based on the standard deviation value of the defect degree of each detection area, the average value of the standard deviation values of the defect degrees of a plurality of detection areas can be calculated by the following formula:
Figure BDA0002637337620000034
wherein the content of the first and second substances,
Figure BDA0002637337620000035
the average value of standard difference values of the defectiveness of a plurality of detection areas is taken;
step A5: after obtaining the average value of the standard difference values of the defect degrees of a plurality of detection areas, if so, obtaining the average value
Figure BDA0002637337620000041
The result of the detectionIf the upper surface of the table plate is not defective, the alarm device does not need to be started; if it is
Figure BDA0002637337620000042
And if the detection result shows that the upper surface of the table plate is defective, starting the alarm device.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the modular splicing type table tennis table can be spliced into table tennis tables with three different sizes through three different modular plates, the sizes of the table tennis tables are scaled according to proportion and can be suitable for people with different heights or different ages, the spliced table legs can also adjust different heights according to the sizes of the table tennis tables, and the table tennis table is also provided with three table plates with different sizes, and a telescopic net with the length capable of being adjusted at will can be used by people with different heights; still be equipped with the detection device of detectable table defect degree, monitor the defect degree of table, can in time change the table, give other people and bring better experience and feel.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of a modular splicing type table tennis table according to the invention.
Fig. 2 is a schematic diagram of an explosion structure of a splicing plate in the module splicing type table tennis table.
Fig. 3 is a schematic structural view of a splicing plate in a module splicing type table tennis table according to the invention.
Fig. 4 is a schematic main sectional structure view of a splice plate in a module-spliced table tennis table according to the present invention.
Fig. 5 is a schematic rear view structural diagram of a splice plate in the module-spliced table tennis table according to the present invention.
Fig. 6 is a schematic diagram of an explosion structure of the spliced table legs in the module spliced table tennis table.
Fig. 7 is a schematic structural diagram of a connecting column in a module splicing type table tennis table according to the invention.
Fig. 8 is a schematic view of the overall structure of the telescopic net in the module splicing type table tennis table.
Fig. 9 is a schematic main sectional structure view of a telescopic net in a module splicing type table tennis table according to the present invention.
Fig. 10 is a schematic view of a connecting structure of a sleeve, a reel and a coil spring in the modular splicing type table tennis table of the invention.
Fig. 11 is a schematic structural diagram of a table top in the module splicing type table tennis table of the invention.
1 is a splice plate, 1-1 is a first module plate, 1-1-1 is a first groove, 1-2 is a second module plate, 1-2-1 is a first connecting block, 1-2-2 is a second connecting block, 1-2-3 is a second groove, 1-3 is a third module plate, 1-3-1 is a third connecting block, 1-3-2 is a fourth connecting block, 2 is a table plate, 2-1 is a baffle plate, 3 is a splicing table leg, 3-1 is a first upright post, 3-1-1 is a supporting leg, 3-2 is a second upright post, 3-3 is a third upright post, 3-4 is a fourth upright post, 4 is a telescopic net, 4-1 is a base, 4-1-1 is a side plate, 4-1-2 is an upper plate, 4-1-3 is a lower plate, 4-1-4 is a screw rod, 4-1-5 is an anti-skid block, 4-1-6 is a handle, 4-2 is a sleeve, 4-2-1 is an opening, 4-2-2 is a connecting shaft, 4-3 is a scroll, 4-3-1 is a hole, 4-3-2 is a net tray, 4-4 is a coil spring, 4-5 is a net, a is an inserting hole, b is a threaded hole, c is a stud and d is an inserting column.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 11, the present invention provides a module splicing type table tennis table, comprising: the table comprises a splicing plate 1, a table plate 2, a plurality of splicing table legs 3 and an expansion net 4, wherein the table plate 2 is arranged on the splicing plate 1, the lower surface of the splicing plate 1 is connected with the plurality of splicing table legs 3, and the lower sides of the two ends of the expansion net 4 are respectively clamped in the middle positions of the left side and the right side of the splicing plate 1; the splice plate 1 is rectangular and is formed by splicing three different module plates;
the splice plate 1 comprises a first module plate 1-1, a second module plate 1-2 and a third module plate 1-3, wherein the first module plate 1-1 is rectangular, the second module plate 1-2 and the third module plate 1-3 are L-shaped with different sizes, the inner side surface of the second module plate 1-2 is selectively connected with the first module plate 1-1, and the outer side surface of the second module plate 1-2 is selectively connected with the inner side surface of the third module plate 1-3.
The working principle of the technical scheme is as follows: the standard ping-pong table is proportionally reduced to 1/4, wherein the standard ping-pong table is the size of a first module plate 1-1, the standard ping-pong table is proportionally reduced to 3/4, the standard ping-pong table is the size after splicing and forming the first module plate 1-1 and a second module plate 1-2, the standard ping-pong table is the size after splicing and forming the first module plate 1-1, the second module plate 1-2 and a third module plate 1-3, the standard ping-pong table has three sizes in proportion, the corresponding table plates 2 also have three sizes with different sizes, the spliced table legs 3 can be spliced into table legs with different heights according to the ping-pong tables with different sizes, and the telescopic net 4 is suitable for the ping-pong tables with the three sizes.
The beneficial effects of the above technical scheme are that: through the design of the structure, the table tennis tables with three different sizes can be spliced by three different module plates, the sizes of the table tennis tables are scaled according to proportion and can be suitable for people with different heights or different ages, the spliced table legs 3 can also adjust different heights according to the sizes of the table tennis tables, and are also provided with three table plates 2 with different sizes, and the telescopic nets 4 with the lengths capable of being adjusted randomly can be used by people with different heights; still be equipped with the detection device of detectable table defect degree, monitor the defect degree of table, can in time change the table, give other people and bring better experience and feel.
In one embodiment, the upper side of the second module board 1-2 is 1/2 with the length of the short side of the first module board 1-1, the right side thereof is 1/2 with the length of the long side of the first module board 1-1, the left side thereof is 3/2 with the length of the long side of the first module board 1-1, and the lower side thereof is 3/2 with the length of the short side of the first module board 1-1; the upper end side length of the third module plate 1-3 is 1/2 of the short side length of the first module plate 1-1, the right end side length is 1/2 of the long side length of the first module plate 1-1, the left side length is 2 times of the long side length of the first module plate 1-1, and the lower side length is 2 times of the short side length of the first module plate 1-1; the table 2 is rectangular, the periphery of the table is downwards extended with a baffle 2-1, the long edge length of the table 2 is equal to the left edge length of the third module plate 1-3, and the short edge length of the table 2 is equal to the lower edge length of the third module plate 1-3, or the long edge length of the table 2 is equal to the left edge length of the second module plate 1-2, and the short edge length of the table 2 is equal to the lower edge length of the second module plate 1-2, or the long edge length of the table 2 is equal to the long edge length of the first module plate 1-1, and the short edge length of the table 2 is equal to the short edge length of the first module plate 1-1.
The working principle of the technical scheme is as follows: because the ping-pong table has a fixed size standard, the sizes of the short edge and the long edge of the first module plate 1-1 are 1/4 of the sizes of the short edge and the long edge of the standard table, so that the ping-pong table can be used for entertainment of children, and bad experience caused by the fact that the proportion of the small-size table is not corresponding to that of the standard table can be avoided; the sizes of the short edge and the long edge of the ping-pong table formed by splicing the first module plate 1-1 and the second module plate 1-2 are 3/4 of the sizes of the short edge and the long edge of the standard ping-pong table, the middle-size ping-pong table realizes that the standard ping-pong table is scaled according to the proportion and is used by shorter people or teenagers, and the bad experience caused by the non-correspondence of the proportion of the middle-size ping-pong table and the standard ping-pong table can be avoided when the middle-size ping-pong table is used; the standard ping-pong table formed by splicing the three module plates can be used by people with normal height, the small-size table, the medium-size table and the standard table are all provided with corresponding table plates 2, and the side surfaces around the table plates 2 can also be provided with gradienters for detecting whether the table plates 2 are at the horizontal position.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, three module board all has the size restriction of standard and then realizes splicing into the table tennis table of different scaling, supplies the people of different heights to use, can avoid because of the proportion does not correspond with standard table tennis table and cause not good experience to feel.
In one embodiment, three plugging holes a are arranged at four corners of the back surface of the first module plate 1-1, three plugging holes a are arranged at the back surface of the upper end, the back surface of the right end and the back surface of the lower left corner of the second module plate 1-2, and three plugging holes a are arranged at the back surface of the upper end, the back surface of the right end and the back surface of the lower left corner of the third module plate 1-3.
The working principle of the technical scheme is as follows: the back of the main supporting part of the three module plates is provided with three plug holes a for connecting the splicing table legs 3, the middle positions of the long plates of the third module plates 1-3 can be provided with a plurality of three plug holes a for better supporting, and the top of the plug holes a is also provided with an elastic rubber layer which can play a damping effect and further stabilize the connection of the table legs and the module plates.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, be equipped with the three spliced eye a that is used for being connected with concatenation table leg 3 at the main support position of three module board and can be better play the supporting role, avoid people to press table 2 hard, make 1 deformations of splice plate collapse to every support position is equipped with three spliced eye a and can avoids concatenation table leg 3 to take place the skew, and positioning effect is better.
In one embodiment, the left side surface and the lower side surface of the first module plate 1-1 are both provided with a first groove 1-1-1, the vertical surface of the inner side of the second module plate 1-2 is provided with a first connecting block 1-2-1 corresponding to the first groove 1-1-1, the horizontal surface of the inner side of the second module plate 1-2 is provided with a second connecting block 1-2-2 with the length smaller than that of the first groove 1-1-1, the vertical surface and the horizontal surface of the outer side of the second module plate 1-2 are both provided with a second groove 1-2-3, the vertical surface of the inner side of the third module plate 1-3 is provided with a third connecting block 1-3-1 corresponding to the second groove 1-2-3, the horizontal surface of the inner side of the third module plate 1-3 is provided with a connecting block 1-2 with the length smaller than that of the second groove 1-2 3 fourth connecting blocks 1-3-2 in length.
The working principle of the technical scheme is as follows: when the first module plate 1-1 and the second module plate 1-2 are spliced, aligning a first groove 1-1-1 on the lower side surface of the first module plate 1-1 to a second connecting block 1-2-2 on a horizontal plane on the inner side of the second module plate 1-2, enabling the second connecting block 1-2-2 to be embedded into the corresponding first groove 1-1-1, pushing the first module plate 1-1 leftwards, enabling the first connecting block 1-2-1 on a vertical surface on the inner side of the second module plate 1-2 to be embedded into the first groove 1-1-1 on the left side surface of the first module plate 1-1, and completing splicing; it should be noted that the length of the second connecting block 1-2-2 is less than the length of the first groove 1-1-1, the distance between the left side of the second connecting block 1-2-2 and the left side of the corresponding first groove 1-1-1 after splicing needs to be greater than the protruding height of the first connecting block 1-2-1, so that the first module plate 1-1 is moved rightwards by external force when disassembling, the second connecting block 1-2-2 moves leftwards by a certain distance relative to the first groove 1-1-1 of the lower side surface of the first module plate 1-1, and the first connecting block 1-2-1 is separated from the first groove 1-1-1 of the left side surface of the first module plate 1-1, so that the moving distance of the second connecting block 1-2-2 needs to be greater than the protruding height of the first connecting block 1-2-1, the first module board 1-1 can be completely separated from the second module board 1-2; and the second module board 1-2 and the third module board 1-3 can be spliced and disassembled in the same way, and the details are not repeated here.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, can realize quick concatenation, and mosaic structure is firm difficult not hard up, and the motion of connecting block has been restricted to the recess, and then has restricted the relative displacement between the adjacent module board, makes splice plate 1 more stable when using, gives other people better experience and feels.
In one embodiment, the bottom surfaces of the first groove 1-1-1 and the second groove 1-2-3 are provided with first magnets, the outer end surfaces of the first connecting block 1-2-1, the second connecting block 1-2-2, the third connecting block 1-3-1 and the fourth connecting block 1-3-2 are provided with second magnets, and the first magnets and the second magnets have opposite magnetism.
The working principle of the technical scheme is as follows: on the basis of the splicing of the groove and the connecting block, magnets with opposite magnetism are arranged on the bottom surface of the corresponding groove and the outer end surface of the connecting block, and when the splicing is carried out, the surfaces of the groove and the connecting block are mutually attracted through the magnets, so that the connection between the module plates is firmer.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, through the appeal of magnet, make the connecting block firm connection in the recess that corresponds, for preventing that the magnet on the module board that does not use from adsorbing other object, the safety cover that can make with the material of non-magnetic conduction seals magnet, takes off the safety cover during the use again, and is very convenient to magnet can make between the module board more firm of connecting, can not collapse because of the atress is too big during the use.
In one embodiment, the spliced desk legs 3 comprise a first upright post 3-1, a second upright post 3-2, a third upright post 3-3 and a fourth upright post 3-4, wherein the upper end of the first upright post 3-1 is selectively connected with the lower end of the second upright post 3-2, the lower end of the third upright post 3-3 and the lower end of the fourth upright post 3-4; the upper end of the second upright post 3-2 is selectively connected with the lower end of the third upright post 3-3 and the lower end of the fourth upright post 3-4; the upper end of the third upright post 3-3 is selectively connected with the lower end of the second upright post 3-2 and the lower end of the fourth upright post 3-4; the height of the first upright post 3-1 is 1/2 of the height of the second upright post 3-2, the height of the first upright post 3-1 is equal to the height of the fourth upright post 3-4, and the height of the second upright post 3-2 is equal to the height of the third upright post 3-3.
The working principle of the technical scheme is as follows: the height of the first upright post 3-1 is 1/2 of the height of the second upright post 3-2, the height of the first upright post 3-1 is equal to that of the fourth upright post 3-4, the height of the second upright post 3-2 is equal to that of the third upright post 3-3, and the four upright posts can be freely combined into table legs with different heights, can be combined according to the height of a user and can be suitable for most of people with different heights.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, four stands can make up into the table leg of multiple co-altitude according to the user's height demand according to the user's free combination, and the height of table leg can freely change, and the highest height is the table leg height of standard table tennis table, brings better experience for the user and feels.
In one embodiment, the lower end of the first upright post 3-1 is provided with a supporting foot 3-1-1, and the upper end is provided with a threaded hole b; the lower end of the second upright post 3-2 is connected with a stud c corresponding to the threaded hole b, and the upper end of the second upright post is provided with the threaded hole b; the lower end of the third upright post 3-3 is connected with the stud c corresponding to the threaded hole b, and the upper end of the third upright post is provided with the threaded hole b; the lower end of the fourth upright post 3-4 is connected with the stud c corresponding to the threaded hole b, and the upper end is provided with three inserting posts d corresponding to the inserting holes a.
The working principle of the technical scheme is as follows: when four upright columns are freely combined, the first upright column 3-1 can only be placed at the lowest end of the table leg as a foundation support, the upper end of the first upright column can be selectively connected with the other three upright columns, the fourth upright column 3-4 can only be placed at the uppermost end, the inserting column d arranged on the fourth upright column is used for being connected with the inserting hole a on the lower surface of the module plate, and the upper upright column and the lower upright column are screwed and fixed through threaded connection.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, it is fixed through threaded connection between two upper and lower stands, connect very firmly, compare in the table leg that has elevation structure more firm to still can realize the effect of height-adjusting the same with the table leg that has elevation structure.
In one embodiment, the connector further comprises a connecting column 3-5, wherein the outer side of the connecting column 3-5 is provided with an external thread corresponding to the threaded hole b, and the upper end of the connecting column 3-5 is provided with three plug columns d corresponding to the plug holes a.
The working principle of the technical scheme is as follows: the optional use of spliced pole, if do not use under the condition of fourth stand 3-4 when concatenation table leg 3, the upper end of three kinds of other stands is screw hole b, can't peg graft with the module board, so available spliced pole is connected stand and module board.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, spliced pole alternative use is pegged graft the use with its stand threaded connection who corresponds again with the module board when needing, and it is all very convenient to connect the dismantlement, and is very practical.
In one embodiment, the telescopic net 4 comprises two bases 4-1, the upper surface of the base 4-1 is provided with a sleeve 4-2, the top and the bottom of the sleeve 4-2 are provided with connecting shafts 4-2-2 extending inwards, the interior of the sleeve 4-2 is provided with a reel 4-3 rotatably connected with the sleeve, the upper end and the lower end of the reel 4-3 are provided with holes 4-3-1 corresponding to the connecting shafts 4-2-2, the peripheral wall of the reel 4-3 close to the lower end thereof is provided with a net tray 4-3-2, the outer side of the reel 4-3 below the net tray 4-3-2 is sleeved with a coil spring 4-4, and one end of the inner side of the coil spring 4-4 is fixedly connected with the reel 4-3, one end of the outer side of the coil spring 4-4 is fixedly connected with the sleeve 4-2, and two ends of a net 4-5 are respectively connected to the two reels 4-3; an opening 4-2-1 is formed in one side of the sleeve 4-2, and one end of the net 4-5 passes through the opening 4-2-1 to be connected with the side wall of the reel 4-3; the base 4-1 comprises a side plate 4-1-1, an upper plate 4-1-2 and a lower plate 4-1-3, the upper end of the side plate 4-1-1 is connected with the left end of the upper plate 4-1-2, the lower end of the side plate is connected with the left end of the lower plate 4-1-3, the upper surface of the upper plate 4-1-2 is connected with the lower end of the sleeve 4-2, the lower plate 4-1-3 is provided with a screw rod 4-1-4 in threaded connection with the lower plate, the upper end of the screw rod 4-1-4 is provided with an anti-skid block 4-1-5, and the lower end of the screw rod is provided with a handle 4-1-6.
The working principle of the technical scheme is as follows: when the telescopic ball net is in a natural state, the coil springs 4-4 are in a natural telescopic state, the ball net 4-5 is respectively rolled on the two reels 4-3 and is contained in the sleeves 4-2, when the telescopic ball net is used, the two sleeves 4-2 are pulled open towards two sides by external force, the ball net 4-5 rolled on the two reels 4-3 simultaneously extends outwards under the influence of the external force, the reels 4-3 rotate around the sleeves 4-2, the coil springs 4-4 connected to the side walls of the reels 4-3 and the inner walls of the sleeves 4-2 simultaneously rotate under the action of the rotating force of the reels 4-3 to change shapes and store deformation energy, then the two bases are respectively clamped at the middle positions of two sides of the spliced table tennis table, then the handles 4-1-6 are rotated to drive the screw rods 4-1-4 to rotate until the anti-skid blocks 4-1-5 at the upper ends of the screw rods 4- The lower surface of the table tennis table is locked to complete the installation and fixation of the telescopic net, wherein the maximum length of the net 4-5 is larger than the width of a standard table tennis table, when the net 4-5 is folded, the screw rod 4-1-4 is rotated to enable the anti-skidding block 4-1-5 to be far away from the lower surface of the table tennis table, the coil spring 4-4 storing deformation energy is recovered to be in an initial state after external force is removed, the reel 4-3 is driven to rotate, then the net 4-5 exposed out of the sleeve 4-2 is wound on the reel 4-3, and the net 4-5 is accommodated in the sleeve 4-2.
The beneficial effects of the above technical scheme are that: through the design of the structure, the net 4-5 can be suitable for three table tennis tables with different sizes, and when the table tennis table is not used, the net 4-5 naturally shrinks into the two sleeves 4-2, so that the storage is convenient and the space is saved; when in use, the net 4-5 can be pulled out by external force, the base 4-1 can be firstly clamped at the two sides of the table tennis table, and then the screw 4-1-4 is rotated to fix and lock the base 4-1 and the table tennis table, so that the connection is very firm, and the disassembly and the assembly are simple and convenient.
In one embodiment, the table further comprises a detection device, the detection device is movably arranged at the center of the upper surface of the table 2, a camera module and a projection module for detecting the defect degree of the upper surface of the table 2 are arranged in the detection device, an alarm device for giving an alarm is further arranged, and the detection device specifically comprises the following steps:
step A1: dividing the upper surface of the table 2 into a plurality of detection areas, and calculating a phase value of each detection area respectively, wherein the specific calculation method comprises the following steps:
Figure BDA0002637337620000101
wherein A is the phase value of the detection area, BmThe phase value of the mth detection of the detection area is obtained, m is the detection frequency of the detection area, n is the total detection frequency of the detection area, sin is a sine function of a trigonometric function, cos is a cosine function of the trigonometric function, arctan is a tangent function of an inverse trigonometric function, pi is a natural constant, and m is 1,2,3, … … n;
step A2: according to the phase value A of the detection area, the relative height of the detection area can be calculated by the following formula:
Figure BDA0002637337620000102
＞＞(A-A0)
wherein H is the relative height of the detection region, A0The phase value is a phase value of a reference detection area, d is a distance from the camera module to the reference detection area, f is an optical frequency parameter value of the camera module, and is a distance parameter value from the projection module to the camera module;
step A3: based on the relative heights of the detection regions, a standard difference value of the defect degree of each detection region can be calculated by the following formula:
Figure BDA0002637337620000103
wherein the content of the first and second substances,ifor the defect level standard difference, H, of the ith detection areaiThe relative height of the ith detection area is shown, P is the number of the detection areas, and i is 1,2,3 … … and P;
step A4: based on the standard deviation value of the defect degree of each detection area, the average value of the standard deviation values of the defect degrees of a plurality of detection areas can be calculated by the following formula:
Figure BDA0002637337620000104
wherein the content of the first and second substances,
Figure BDA0002637337620000105
the average value of standard difference values of the defectiveness of a plurality of detection areas is taken;
step A5: after obtaining the average value of the standard difference values of the defect degrees of a plurality of detection areas, if so, obtaining the average value
Figure BDA0002637337620000106
The detection result is that the upper surface of the table plate 2If no defect exists, the alarm device does not need to be started; if it is
Figure BDA0002637337620000107
And if the detection result shows that the upper surface of the table plate 2 is defective, starting an alarm device.
The working principle of the technical scheme is as follows: the detection device (not shown in the figure) is arranged at the central position of the upper surface of the table board 2, so that the normal use of the table tennis table by people is not influenced, the detection device can be placed on the table board 2 and can be taken down when not needed, the detection device divides the table board 2 into a plurality of detection areas when detecting the defect degree of the table board 2, firstly, the defect degree of each detection area is detected to obtain a phase value of each detection area, and the phase value of a reference detection area can be obtained by adopting the same principle; then, the phase variation value A-A of the detection area relative to the reference detection area can be calculated according to the obtained phase value0Knowing the light frequency parameter value of the camera module in the detection device, the distance between the camera module and the reference detection area and the distance parameter value between the projection module and the camera module, the relative height of the detection area can be calculated, wherein the optical frequency parameter value of the camera module is different according to the optical frequency parameter values of the camera modules with different models, for example, a camera module with an optical frequency parameter of 60HZ can be selected, the distance from the camera module to the reference detection area can be regarded as the distance from the detection device to the reference detection area, the value of the distance is less than or equal to the length of the diagonal line of the maximum table 2, the distance parameter value from the projection module to the camera module is the sum of the focal length of the projection module and the focal length of the camera module, for example, the focal length of the projection module is 12mm, the focal length of the camera module is 15mm, and the distance parameter value from the projection module to the camera module is 27 mm; then, the standard deviation of the defect degree of each detection area is calculated, the average value of the standard deviations of the defect degrees of the plurality of detection areas is calculated, when the obtained average value of the standard deviations of the defect degrees is less than or equal to 0.1, the alarm device does not need to be started, the upper surface of the table board 2 is free of defect, people can play table tennis on the table board 2 normally, and the use is not influenced; when the average value of the standard deviation of the obtained defect degree is more than 0.1, the defect of the upper surface of the table plate 2 is indicated, the detection device sends an instruction to the alarm device,the alarm device is started to remind people to replace the table board 2; the alarm device can be provided with a display screen for alarming people, for example, when the alarm device is started, the display screen displays: the table board is replaced, and meanwhile, the sound reminds people to replace the table board 2.
The beneficial effects of the above technical scheme are that: through the design of the structure, when the table tennis table is used for a long time, the table top is inevitably worn or sunken, the motion track of the table tennis is influenced, and bad experience feeling is brought to people, so that the arranged detection device can detect the defect degree of the table 2, when the defect degree of the table 2 needs to be detected after the table is used for a period of time, the detection device can be placed at the central position of the upper surface of the table 2 for detection, the table 2 is divided into a plurality of detection areas for detection, then the average value of each detection area is obtained, the obtained value is more accurate, if the detected value is more than 0.1 as a calculated result, the alarm device arranged in the detection device is started to remind people that the table 2 is defective, people can replace the table 2 according to actual needs, and because the table 2 and the splicing plate 1 are detachably connected, the whole table tennis table does not need to be replaced, only the table 2 needs to be replaced, saves resources and reduces cost.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a module concatenation formula table tennis table which characterized in that includes: the table comprises a splicing plate (1), a table plate (2), a plurality of splicing table legs (3) and an extensible net (4), wherein the table plate (2) is arranged on the splicing plate (1), the lower surface of the splicing plate (1) is connected with the plurality of splicing table legs (3), and the lower sides of the two ends of the extensible net (4) are respectively clamped in the middle positions of the left side and the right side of the splicing plate (1); the splice plate (1) is rectangular and is formed by splicing three different module plates;
the splice plate (1) comprises a first module plate (1-1), a second module plate (1-2) and a third module plate (1-3), wherein the first module plate (1-1) is rectangular, the second module plate (1-2) and the third module plate (1-3) are L-shaped with different sizes, the inner side surface of the second module plate (1-2) is selectively connected with the first module plate (1-1), and the outer side surface of the second module plate (1-2) is selectively connected with the inner side surface of the third module plate (1-3).
2. A modular split table tennis table according to claim 1, wherein the second modular board (1-2) has an upper end side length of 1/2 which is the length of the short side length of the first modular board (1-1), a right end side length of 1/2 which is the length of the long side length of the first modular board (1-1), a left side length of 3/2 which is the length of the long side length of the first modular board (1-1), and a lower side length of 3/2 which is the length of the short side length of the first modular board (1-1); the upper end side length of the third module plate (1-3) is 1/2 of the short side length of the first module plate (1-1), the right end side length is 1/2 of the long side length of the first module plate (1-1), the left side length is 2 times of the long side length of the first module plate (1-1), and the lower side length is 2 times of the short side length of the first module plate (1-1); the table plate (2) is rectangular, the periphery of the table plate is downwards extended to form a baffle plate (2-1), the long edge length of the table plate (2) is equal to the left side length of the third module plate (1-3) and the short edge length of the table plate (2) is equal to the lower side length of the third module plate (1-3), or the long edge length of the table plate (2) is equal to the left side length of the second module plate (1-2) and the short edge length of the table plate (2) is equal to the lower side length of the second module plate (1-2), or the long edge length of the table plate (2) is equal to the long edge length of the first module plate (1-1) and the short edge length of the table plate (2) is equal to the short edge length of the first module plate (1-1).
3. The table tennis table as claimed in claim 2, wherein the first module board (1-1) has three holes (a) at four corners of the back surface, the second module board (1-2) has three holes (a) at the top, right and left corners of the back surface, and the third module board (1-3) has three holes (a) at the top, right and left corners of the back surface.
4. The table tennis table as claimed in claim 2, wherein the first module plate (1-1) has a first groove (1-1-1) on its left and lower sides, the second module plate (1-2) has a first connecting block (1-2-1) corresponding to the first groove (1-1-1) on its inner vertical surface, the second module plate (1-2) has a second connecting block (1-2-2) with a length less than that of the first groove (1-1-1) on its inner horizontal surface, the second module plate (1-2) has a second groove (1-2-3) on its outer vertical surface and horizontal surface, and the third module plate (1-3) has a third connecting block (1-2-3) corresponding to the second groove (1-2-3) on its inner vertical surface 1-3-1), a fourth connecting block (1-3-2) with the length smaller than that of the second groove (1-2-3) is arranged on the horizontal plane of the inner side of the third module plate (1-3).
5. The modular splicing type table tennis table according to claim 4, wherein the bottom surfaces of the first groove (1-1-1) and the second groove (1-2-3) are provided with first magnets, the outer end surfaces of the first connecting block (1-2-1), the second connecting block (1-2-2), the third connecting block (1-3-1) and the fourth connecting block (1-3-2) are provided with second magnets, and the first magnets and the second magnets have opposite magnetism.
6. The modular splicing table tennis table according to claim 3, wherein the splicing table leg (3) comprises a first upright (3-1), a second upright (3-2), a third upright (3-3) and a fourth upright (3-4), wherein the upper end of the first upright (3-1) is selectively connected with the lower end of the second upright (3-2), the lower end of the third upright (3-3) and the lower end of the fourth upright (3-4); the upper end of the second upright post (3-2) is selectively connected with the lower end of the third upright post (3-3) and the lower end of the fourth upright post (3-4); the upper end of the third upright post (3-3) is selectively connected with the lower end of the second upright post (3-2) and the lower end of the fourth upright post (3-4); the height of the first upright post (3-1) is 1/2 of the height of the second upright post (3-2), the height of the first upright post (3-1) is equal to that of the fourth upright post (3-4), and the height of the second upright post (3-2) is equal to that of the third upright post (3-3).
7. The modular splicing table tennis table according to claim 6, wherein the first upright (3-1) is provided with a supporting foot (3-1-1) at the lower end and a threaded hole (b) at the upper end; the lower end of the second upright post (3-2) is connected with a stud (c) corresponding to the threaded hole (b), and the upper end of the second upright post is provided with the threaded hole (b); the lower end of the third upright post (3-3) is connected with the stud (c) corresponding to the threaded hole (b), and the upper end of the third upright post is provided with the threaded hole (b); the lower end of the fourth upright post (3-4) is connected with the stud (c) corresponding to the threaded hole (b), and the upper end of the fourth upright post is provided with three inserting posts (d) corresponding to the inserting holes (a).
8. The modular splicing table tennis table according to claim 7, further comprising a connecting column (3-5), wherein the outer side of the connecting column (3-5) is provided with an external thread corresponding to the threaded hole (b), and the upper end of the connecting column is provided with three plugging columns (d) corresponding to the plugging holes (a).
9. A modular splicing table tennis table according to claim 1, wherein the expansion net (4) comprises two bases (4-1), the upper surface of the base (4-1) is provided with a sleeve (4-2), the top and bottom of the sleeve (4-2) are provided with inwardly extending connecting shafts (4-2-2), the sleeve (4-2) is internally provided with a reel (4-3) rotatably connected with the sleeve, the upper end and the lower end of the reel (4-3) are provided with holes (4-3-1) corresponding to the connecting shafts (4-2-2), the peripheral wall of the reel (4-3) near the lower end is provided with a net tray (4-3-2), and the outer side of the reel (4-3) below the net tray (4-3-2) is sleeved with a coil spring (coil spring) 4-4), one end of the inner side of the coil spring (4-4) is fixedly connected with the reel (4-3), one end of the outer side of the coil spring (4-4) is fixedly connected with the sleeve (4-2), and two ends of the net (4-5) are respectively connected to the two reels (4-3); an opening (4-2-1) is formed in one side of the sleeve (4-2), and one end of the net (4-5) penetrates through the opening (4-2-1) to be connected with the side wall of the reel (4-3); the base (4-1) comprises side plates (4-1-1), an upper plate (4-1-2) and a lower plate (4-1-3), the upper end of the side plate (4-1-1) is connected with the left end of the upper plate (4-1-2), the lower end of the side plate is connected with the left end of the lower plate (4-1-3), the upper surface of the upper plate (4-1-2) is connected with the lower end of the sleeve (4-2), the lower plate (4-1-3) is provided with a screw rod (4-1-4) in threaded connection with the screw rod, the upper end of the screw rod (4-1-4) is provided with an anti-skid block (4-1-5), and the lower end of the screw rod is provided with a handle (4-1-6).
10. The modular splicing table tennis table as claimed in claim 1, further comprising a detection device, wherein the detection device is movably disposed at a central position of the upper surface of the table (2), a camera module and a projection module for detecting the defect degree of the upper surface of the table (2) are disposed in the detection device, and an alarm device for alarming is further disposed, and the detection device specifically comprises the following steps:
step A1: dividing the upper surface of the table plate (2) into a plurality of detection areas, and respectively calculating the phase value of each detection area, wherein the specific calculation method comprises the following steps:
Figure FDA0002637337610000031
wherein A is the phase value of the detection area, BmThe phase value of the mth detection of the detection area is obtained, m is the detection frequency of the detection area, n is the total detection frequency of the detection area, sin is a sine function of a trigonometric function, cos is a cosine function of the trigonometric function, arctan is a tangent function of an inverse trigonometric function, pi is a natural constant, and m is 1,2,3, … … n;
step A2: according to the phase value A of the detection area, the relative height of the detection area can be calculated by the following formula:
Figure FDA0002637337610000032
wherein H is the relative height of the detection region, A0The phase value is a phase value of a reference detection area, d is a distance from the camera module to the reference detection area, f is an optical frequency parameter value of the camera module, and is a distance parameter value from the projection module to the camera module;
step A3: based on the relative heights of the detection regions, a standard difference value of the defect degree of each detection region can be calculated by the following formula:
Figure FDA0002637337610000033
wherein the content of the first and second substances,ifor the defect level standard difference, H, of the ith detection areaiThe relative height of the ith detection area is shown, P is the number of the detection areas, and i is 1,2,3 … … and P;
step A4: based on the standard deviation value of the defect degree of each detection area, the average value of the standard deviation values of the defect degrees of a plurality of detection areas can be calculated by the following formula:
Figure FDA0002637337610000041
wherein the content of the first and second substances,
Figure FDA0002637337610000042
the average value of standard difference values of the defectiveness of a plurality of detection areas is taken;
step A5: after obtaining the average value of the standard difference values of the defect degrees of a plurality of detection areas, if so, obtaining the average value
Figure FDA0002637337610000043
If the detection result shows that the upper surface of the table plate (2) is not defective, the alarm device does not need to be started; if it is
Figure FDA0002637337610000044
And if the detection result shows that the upper surface of the table plate (2) is defective, the alarm device is started.
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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586574A1 (en) * 1985-09-05 1987-03-06 Cornilleau Underframe device for a table top in two pieces which can be folded up, particularly for a ping-pong table
JP2002035190A (en) * 2000-07-28 2002-02-05 Nobukazu Kato Suspension folding type table tennis training table
CN203302612U (en) * 2013-05-15 2013-11-27 无锡商业职业技术学院 Detachable table tennis table
CN203648003U (en) * 2013-12-16 2014-06-18 嘉善广瑞工贸有限公司 Spliced type table tennis table
CN203873244U (en) * 2014-06-13 2014-10-15 乐山师范学院 Splicing table
CN204908445U (en) * 2015-08-07 2015-12-30 顾家家居股份有限公司 Table structure and adopt desk, cupboard of this structure
CN205659367U (en) * 2016-05-11 2016-10-26 朱华玮 Foldable table tennis table
CN206560157U (en) * 2016-11-08 2017-10-17 蒋南 Modularization assemble table
CN207654649U (en) * 2017-11-09 2018-07-27 张继昌 A kind of Multi-functional ping-pong table of Semi surrounding type structure
CN108970039A (en) * 2018-06-30 2018-12-11 广东知识城运营服务有限公司 A kind of soldier's pang ball ball collecting device
CN208692480U (en) * 2018-01-25 2019-04-05 东莞市藤缘工艺品有限公司 A kind of spliced dining table
CN208990173U (en) * 2018-08-13 2019-06-18 盐城市艾斯特体育器材有限公司 A kind of module-spliced ping-pong table
CN210018296U (en) * 2019-03-26 2020-02-07 阙诏璋 Multipurpose splicing table
CN210870394U (en) * 2019-09-27 2020-06-30 深圳市环亚联合设计有限公司 Folding mechanism of dining table

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586574A1 (en) * 1985-09-05 1987-03-06 Cornilleau Underframe device for a table top in two pieces which can be folded up, particularly for a ping-pong table
JP2002035190A (en) * 2000-07-28 2002-02-05 Nobukazu Kato Suspension folding type table tennis training table
CN203302612U (en) * 2013-05-15 2013-11-27 无锡商业职业技术学院 Detachable table tennis table
CN203648003U (en) * 2013-12-16 2014-06-18 嘉善广瑞工贸有限公司 Spliced type table tennis table
CN203873244U (en) * 2014-06-13 2014-10-15 乐山师范学院 Splicing table
CN204908445U (en) * 2015-08-07 2015-12-30 顾家家居股份有限公司 Table structure and adopt desk, cupboard of this structure
CN205659367U (en) * 2016-05-11 2016-10-26 朱华玮 Foldable table tennis table
CN206560157U (en) * 2016-11-08 2017-10-17 蒋南 Modularization assemble table
CN207654649U (en) * 2017-11-09 2018-07-27 张继昌 A kind of Multi-functional ping-pong table of Semi surrounding type structure
CN208692480U (en) * 2018-01-25 2019-04-05 东莞市藤缘工艺品有限公司 A kind of spliced dining table
CN108970039A (en) * 2018-06-30 2018-12-11 广东知识城运营服务有限公司 A kind of soldier's pang ball ball collecting device
CN208990173U (en) * 2018-08-13 2019-06-18 盐城市艾斯特体育器材有限公司 A kind of module-spliced ping-pong table
CN210018296U (en) * 2019-03-26 2020-02-07 阙诏璋 Multipurpose splicing table
CN210870394U (en) * 2019-09-27 2020-06-30 深圳市环亚联合设计有限公司 Folding mechanism of dining table

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