CN103948284A - Tableware - Google Patents

Abstract

The invention relates to an article for daily life, in particular to tableware which can be combined to form chopsticks, a spoon, a fork, a steak knife, a fruit fork and a fruit knife with a bottle opener or a key ring function. The tableware comprises two sections which can be connected and detached, wherein the upper section is equal to an upper half part of each of chopsticks, and the lower section is a lower half part of each of the chopsticks assembled with a connecting section, a spoon with a short bar assembled with the connecting section, a fork with a short bar assembled with the connecting section, a steak knife with a short bar assembled with the connecting section, a fruit fork with a short bar assembled with the connecting section, or a lower half part of the fruit knife assembled with the connecting section; the lower section is a hollow conical cavity; a stainless iron conical iron tube is arranged inside the cavity; a magnet is arranged in the stainless iron conical iron tube; a stainless iron toothpick is arranged in the stainless iron conical iron tube; a magnetic handle is arranged at the other end of the stainless iron toothpick; a thermometer is arranged on the side surface of the lower section. The tableware is convenient to use, and complete in functions.

Description

A kind of tableware

Technical field

The present invention relates to one way of life articles for use, relate to specifically and a kind ofly can be combined into chopsticks, soup ladle, table fork, steak knife, fruit fork, fruit knife and the tableware with bottle opener or key chain function.

Background technology

Nowadays along with the raising of people's living standard, go out to have lunch, western-style food or go outdoor outing very usual, in order to ensure the healthy of individual, avoid transmission and cross-infection and meet people's environmental protection concept, carrying tableware is exactly the safest mode.Chopsticks, soup ladle, table fork, steak knife, fruit fork, fruit knife, bottle opener, toothpick are all requisite tablewares on people's dining table, therefore must carry.On existing market, also exist some portable cutlery boxs, most of cutlery boxs are all that chopsticks, soup ladle and table fork separate, and the space taking is large, is inconvenient to carry; Also the tableware that has some cutlery boxs the inside is to share a handle and change chopstick head, soup ladle head and table fork head, but the disposable kind of this tableware is few, will seem function singleness when having Western food, when fruit, open bottle cover and use toothpick; Also having some is combined chopsticks, it is very unhygienic that internal and external screw thread when use on chopstick head and chopsticks handle does not have safeguard measure easily to adhere to dirt, can affect healthy with this " chopsticks ", and the function that the chopsticks of this combined chopsticks and soup ladle, table fork do not combine, too much when carrying, excessively heavy also very inconvenient; Also have in addition some stretchable chopsticks, when this chopsticks use, chopstick head need to be released, the hand very unhygienic impact of chopstick head of can making dirty is healthy; The maximum deficiency that wherein tableware on the market exists is exactly that a lot of tablewares all lack thermometer, when use, do not know the temperature of food, be easy to iron oneself, even if what have thermometer is also to have added a thermometer on common chopsticks, use and carry very inconvenience, and function singleness.

Summary of the invention

The present invention, in order to solve above-mentioned the deficiencies in the prior art, provides a kind of and can form the multi-functional tablewares such as chopsticks, soup ladle, table fork, steak knife, fruit fork, fruit knife, bottle opener through providing for simple replacement of assembly.

For tableware can easily be combined and fold, and can make to be equipped with the lower half chopsticks of connecting joint, second section of fruit knife that is equipped with connecting joint is inserted in the upper joint of the first half that is equivalent to chopsticks, this tableware comprises by two joints that can connect with separating and forming, wherein upper joint is the first half that is equivalent to chopsticks, wherein lower joint be equipped with the lower half chopsticks of connecting joint or be equipped with connecting joint a part of quarter butt soup ladle be equipped with connecting joint a part of quarter butt table fork or be equipped with connecting joint a part of quarter butt steak knife be equipped with connecting joint a part of quarter butt fruit fork or be equipped with the fruit knife of the lower half of connecting joint, wherein said connecting joint has internal thread, and wherein said upper joint is the tubulose that internal diameter is slightly larger than the external diameter of lower half chopsticks, second section of fruit knife blade, and there is the external screw thread coordinating with connecting joint upper joint end, the internal thread that the end of wherein said upper joint also has the external screw thread smaller with the both sides diameter of the link of lower half chopsticks, second section of fruit knife and the external screw thread smaller with the outside diameter of the quarter butt link of soup ladle, table fork, steak knife, fruit fork to coordinate, the quarter butt link of described lower half chopsticks, second section of fruit knife and soup ladle, table fork, steak knife, fruit fork all has the large external screw thread coordinating with connecting joint.

In order to make upper joint seem more attractive in appearance and easy to clean, respectively there is the groove of and external screw thread equal length the external screw thread at described upper joint two ends inner side, and the internal thread length of wherein said upper joint is identical with the total length of external screw thread and groove.

In order to make the use tableware of diner's more convenient and quicker, described upper joint two ends external screw thread, internal thread are general.

In order to be threaded with the external screw thread at upper joint two ends, and be convenient to diner and be used in combination easily tableware, all there are two segment length different and discontinuous long section internal thread and short section of internal threads in the connecting joint of half chopsticks under described being assemblied in, the connecting joint that is assemblied in the soup ladle of a part of quarter butt, the connecting joint that is assemblied in the table fork of a part of quarter butt, the connecting joint that is assemblied in the steak knife of a part of quarter butt, the connecting joint that is assemblied in the fruit fork of a part of quarter butt, the inside that is assemblied in the connecting joint of second section of fruit knife, and the shape of these connecting joints is all identical with structure.

In order to be threaded with the internal thread of the internal thread of connecting joint and upper joint, can make lower half chopsticks, second section of fruit knife easily cleans and seems more attractive in appearance and in the time that soup juice is too much, can make the soup juice can be from lower half chopsticks, edge, second section of fruit knife upper end flows down, described lower half chopsticks, the link of second section of fruit knife all has three sections of discontinuous external screw threads, two sections of discontinuous grooves and a dovetail groove, the large externally threaded diameter of wherein said centre is greater than two little externally threaded diameters in side grooves outside, wherein said ring cross section of dovetail groove tilts to link, another ring cross section downwards lower end of joint tilts, two described groove homogeneous ring cross section is perpendicular to lower half chopsticks, the axis of second section of fruit knife, another ring cross section tilts to link.

In order to be threaded with the internal thread of the internal thread of connecting joint and upper joint, can make the soup ladle of some quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, the fruit fork of some quarter butt easily cleans and seems more attractive in appearance and in the time that soup juice is too much, can make the soup juice can be from the soup ladle of some quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, the edge, fruit fork upper end of some quarter butt flows down, the soup ladle of some described quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, the link of the fruit fork of some quarter butt all has two sections of discontinuous large external screw threads and little external screw thread, two sections of discontinuous grooves and a dovetail groove, wherein inboard large externally threaded diameter is greater than the little externally threaded diameter in the outside of outside groove, wherein said ring cross section of dovetail groove tilts to link, another ring cross section downwards lower end of joint tilts, and a groove homogeneous ring cross section in two of large external screw thread both sides, described inboard is perpendicular to the soup ladle of some quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, the axis of the fruit fork of some quarter butt, another ring cross section tilts as link.

For two chopsticks having been combined or folding completely can not roll from dining table while not using, described upper joint has a plane that prevents dishware rolling, described connecting joint has a plane that prevents dishware rolling, and two planar registration overlap when upper joint and when being equipped with the lower half chopsticks combination of connecting joint or folding.

For diner has combined or folding complete while not using at two chopsticks, the chopsticks impact of can not rolling on dining table is attractive in appearance and using diner in chopsticks can use as required the function of bottle opener and key chain, described upper joint external screw thread one end is connected with connecting joint internal thread, the external screw thread of the other end can be connected with female top, inside cap, the magnet that while having two chopsticks use or fold in wherein said top cap, chopsticks can automatically pull together, described top cap is bottle opener or key chain, described bottle opener, key chain all has one to prevent the plane that tableware rolls, three planar registration overlap when the upper joint with crown cap and when being equipped with the lower half chopsticks combination of connecting joint or folding.

For diner uses chopsticks, when described upper joint is combined into chopsticks with the lower half chopsticks that are equipped with connecting joint: only the short section of internal thread of connecting joint of link of the lower half chopsticks that are equipped with connecting joint need be connected to combination with the external screw thread of upper joint; Now, outside lower half chopsticks, the smaller external screw thread of tail end diameter and the internal thread of upper joint are connected;

For diner's Folding chopsticks conveniently in the time not using chopsticks, when described upper joint is combined into Folding chopsticks with the lower half chopsticks that are equipped with connecting joint: only need be by under the external thread rotary of short section of internal thread in the connecting joint of the chopsticks that combine and upper joint, again the lower end of the lower half chopsticks that are equipped with connecting joint is inserted in upper joint, finally the long section internal thread in connecting joint is connected with the external screw thread of upper joint, now, the little external screw thread that the inboard diameter of lower half chopsticks is little and the internal thread of upper joint are connected, the large external screw thread that lower half chopsticks mid diameter is large is connected with the long section internal thread in connecting joint.

In order to facilitate diner to use and to fold fruit knife, the lower joint of described second section of fruit knife that is equipped with connecting joint and combination and the folding mode of upper joint and to be equipped with the lower joint of lower half chopsticks of connecting joint identical with the combination folding mode of upper joint.

In order to facilitate diner need to use soup ladle according to oneself, table fork, steak knife, fruit fork, described upper joint has two kinds of combinations with the soup ladle of a part of quarter butt that is equipped with connecting joint, the first combination is: after the lower half chopsticks that are equipped with connecting joint fold, the external screw thread of the other end of upper joint is connected with the short section of internal thread of connecting joint of soup ladle of a part of quarter butt that is equipped with connecting joint, now outside the link of soup ladle, the little external screw thread of tail end is connected with the internal thread of the upper joint other end, now descend half chopsticks in upper joint, need not take off, the second combination is: first the lower half chopsticks that are equipped with connecting joint that fold are spun down from upper joint external screw thread junction, then the short section of internal thread of connecting joint of soup ladle of a part of quarter butt that is equipped with connecting joint is connected with the external screw thread of upper joint, is now equipped with the little external screw thread in link outside of the soup ladle of a part of quarter butt of connecting joint and the internal thread of upper joint and is connected, the second combination is installed top cap on the other end external screw thread of upper joint, described upper joint be equipped with connecting joint a part of quarter butt table fork, be equipped with connecting joint a part of quarter butt steak knife, with the fruit fork, identical with the two kinds of combinations of soup ladle of a part of quarter butt that are equipped with connecting joint with the two kinds of combinations of second section of fruit knife that are equipped with connecting joint of a part of quarter butt that is equipped with connecting joint, while being equipped with the lower half chopsticks of connecting joint with second section of fruit knife replacement that is equipped with connecting joint, the combination of soup ladle, table fork, steak knife, fruit fork is identical with two kinds of combinations of soup ladle.

In order to increase the lower half chopsticks that are equipped with connecting joint, be equipped with the soup ladle of a part of quarter butt of connecting joint, be equipped with the table fork of a part of quarter butt of connecting joint, be equipped with the steak knife of a part of quarter butt of connecting joint, be equipped with the fruit fork of a part of quarter butt of connecting joint, be equipped with the lower half chopsticks that are equipped with connecting joint described in the intensity of second section of fruit knife of connecting joint, be equipped with the soup ladle of a part of quarter butt of connecting joint, be equipped with the table fork of a part of quarter butt of connecting joint, be equipped with the steak knife of a part of quarter butt of connecting joint, be equipped with the fruit fork of a part of quarter butt of connecting joint, being equipped with in the lower joint of second section of fruit knife of connecting joint is all hollow conic cavity, inside cavity has the conical iron pipe of stainless iron.

During for convenient dining, use toothpick, and make stainless iron toothpick unmovable in iron pipe, in the conical iron pipe of described stainless iron, have magnet, in the conical iron pipe of stainless iron, have stainless iron toothpick, there is a magnet handle toothpick one end.

In order to make diner can know temperature in kind, be unlikely to scald oneself, described lower joint side is provided with thermometer.

For can make all lower joints can with the connecting joint screw-internal thread fit of same model, the large external screw thread of the link of described all lower joints can be connected with connecting joint screw-internal thread fit.

In order making diner use chopsticks when, food can landing, and there is the anti-slip tank of multiple barb type the lower end of the wherein said lower half chopsticks that are equipped with connecting joint.

In order to make diner can use the function of bottle opener and better cut beefsteak, on the knife back of the steak knife of the described a part of quarter butt that is equipped with connecting joint, be provided with bottle opener, blade indention in the time using steak knife.

In order to make diner use fruit knife better to cut fruit, described second section of fruit knife blade front end that is equipped with connecting joint is sawtooth sword, and rear end is flat sword.

For fear of growing and the corrosion of various compositions of bacterium, save metal or crystal or pottery under described and make.

Be combined into chopsticks, soup ladle, table fork, steak knife, fruit fork, fruit knife and the best effects with the tableware of bottle opener or key chain function in order to realize, described connecting joint length is 17mm, and the plane length that prevents dishware rolling of described connecting joint is 17mm, wherein in connecting joint, two segment length differences and discontinuous long section internal thread and short section of internal thread length are respectively 11mm and 4mm, the length of the two ends external screw thread of described upper joint, two grooves of two ends external screw thread inner side is 2mm, and the length of the two ends internal thread of upper joint is 4mm, the plane that prevents tableware rolling of described upper joint is 80mm, the bigger large external thread length of mid diameter in three sections of discontinuous external screw threads of described lower half chopsticks and the link of second section of fruit knife is 5mm, the trench length of middle large external screw thread both sides is 2mm, and the smaller little externally threaded length of two diameters in side grooves outside is 4mm, the large externally threaded diameter of the slightly larger in diameter of wherein said centre is greater than two smaller little externally threaded diameter 2mm of diameter of both sides, the soup ladle of some described quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, two sections of discontinuous external thread lengths of the link of the fruit fork of some quarter butt are respectively inboard large external screw thread 5mm and the little externally threaded 4mm in outside, the length of the groove of large external screw thread both sides is inboard 6mm and the 2mm in outside, wherein inboard large externally threaded diameter is greater than the little externally threaded diameter 2mm in outside, the length of described top cap is 20mm, wherein the internal thread length of top cap is 5mm, and the plane that prevents tableware rolling in the cap of top is 20mm.

The present invention has the following advantages:

1, the present invention has substituted disposable tableware, effectively avoids transmission and cross-infection more to meet society people advocating the theory of healthy and environmental protection.

2, the present invention is simple in structure, easy to use, various tablewares can share a upper joint, can convert at any time lower joint according to food and can draw required tableware in the time out having dinner, effectively reduce and used the trouble that needs to change tableware in tableware process, saved the cost of buying tableware.

3, in the present invention, joint, connecting joint, bottle opener and key are buckled with the design of plane, have effectively avoided using tableware process Chinese dinner service to roll on dining table, make people health and gracefulness more in dining process.

4, top of the present invention cap is bottle opener or key chain, in the cap of top, be provided with magnet, if they have gap can to make diner use while being placed on dining table after chopsticks or Folding chopsticks two chopsticks, they can be pulled together mutually automatically, be equivalent to upper joint and the bottle opener of the upper half chopsticks or be equivalent to the upper joint of the upper half chopsticks and key chain does not have gap between them, very smooth, prevent that again two chopsticks from rolling on dining table, make tableware health more, diner is more graceful.

5, the design that top of the present invention cap has bottle opener or a key chain function is also provided convenience to diner, can use bottle opener open bottle cover, also can utilize key chain to carry.

6, of the present invention be equipped with the lower half chopsticks of connecting joint or be equipped with connecting joint a part of quarter butt soup ladle be equipped with connecting joint a part of quarter butt table fork or be equipped with connecting joint a part of quarter butt steak knife or be equipped with the fruit fork of a part of quarter butt of connecting joint or the upper end that is equipped with the lower joint of second section of fruit knife of connecting joint all has the design of a trapezoidal groove to look like the shape of bottleneck; diner is in using tableware; unnecessary juice can fall down from the edge of groove, has effectively protected the clean and health of diner in the time using tableware.

7, under in the present invention, in three sections of discontinuous external screw threads of the upper end of half chopsticks and second section of fruit knife, wherein middle externally threaded diameter is greater than two externally threaded diameter 2mm of both sides.After chopsticks or fruit knife and connecting joint have combined, the externally threaded outer side edges of narrowing toward each end of the narrowing toward each end external screw thread of lower half chopsticks or second section of fruit knife just and the gap that produced about 1mm, the junction, both sides of connecting joint, the gap of this 1mm can stop that a lot of objects enter on the external screw thread of the internal thread the inside of connecting joint and lower half chopsticks, second section of fruit knife, can ensure the clean and health of chopsticks and fruit knife, the gap of 1mm does not affect the connection combination of joint and connecting joint simultaneously.

8, in the present invention, all there are two sections of discontinuous external screw threads the upper end of the steak knife of the soup ladle of some quarter butt and the table fork of some quarter butt and some quarter butt and the fruit fork of some quarter butt, and wherein inboard externally threaded diameter is greater than the externally threaded diameter 2mm in outside.After soup ladle or table fork or steak knife or the large external screw thread of fruit fork are connected with connecting joint and put in place, the soup ladle of some quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, the little externally threaded tail end in outside of the upper end of the fruit fork of some quarter butt just and the gap that produced about 1mm, the limit of the junction, outside of connecting joint, the gap of this 1mm can stop on the internal thread the inside that enters connecting joint of a lot of objects and the external screw thread of the soup ladle of some quarter butt and the table fork of some quarter butt and the steak knife of some quarter butt and the fruit fork of some quarter butt, ensure soup ladle, table fork, clean and the health of steak knife and fruit fork, the gap of 1mm does not affect the connection combination of joint and connecting joint simultaneously.

9, when upper joint of the present invention is combined into chopsticks with the lower half chopsticks that are equipped with connecting joint: only the short section of internal thread of connecting joint of link of the lower half chopsticks that are equipped with connecting joint need be connected to combination with the external screw thread of upper joint; Now, the smaller external screw thread of tail end diameter and the internal thread of upper joint are connected outside lower half chopsticks, can facilitate diner to use chopsticks.When upper joint of the present invention is combined into Folding chopsticks with the lower half chopsticks that are equipped with connecting joint: only need be by under the external thread rotary of short section of internal thread in the connecting joint of the chopsticks that combine and upper joint, again the lower end of the lower half chopsticks that are equipped with connecting joint is inserted in upper joint, finally the long section internal thread in connecting joint is connected with the external screw thread of upper joint, now, the little external screw thread that the inboard diameter of lower half chopsticks is little and the internal thread of upper joint are connected, the large external screw thread that lower half chopsticks mid diameter is large is connected with the long section internal thread in connecting joint, diner's Folding chopsticks conveniently in the time not using chopsticks, when upper joint of the present invention is combined into Folding chopsticks with the lower half chopsticks that are equipped with connecting joint: only need be by under the external thread rotary of short section of internal thread in the connecting joint of the chopsticks that combine and upper joint, again the lower end of the lower half chopsticks that are equipped with connecting joint is inserted in upper joint, finally the long section internal thread in connecting joint is connected with the external screw thread of upper joint, now, the little external screw thread that the inboard diameter of lower half chopsticks is little and the internal thread of upper joint are connected, the large external screw thread that lower half chopsticks mid diameter is large is connected with the long section internal thread in connecting joint, can make diner's Folding chopsticks conveniently in the time not using chopsticks.

10, the lower joint of second section of fruit knife that is equipped with connecting joint of the present invention and combination and the folding mode of upper joint and to be equipped with the lower joint of lower half chopsticks of connecting joint identical with the combination folding mode of upper joint, facilitates diner to use and folds fruit knife.

11, upper joint of the present invention has two kinds of combinations with the soup ladle of a part of quarter butt that is equipped with connecting joint, the first combination is: after the lower half chopsticks that are equipped with connecting joint fold, the external screw thread of the other end of upper joint is connected with the short section of internal thread of connecting joint of soup ladle of a part of quarter butt that is equipped with connecting joint, now outside the link of soup ladle, the little external screw thread of tail end is connected with the internal thread of the upper joint other end, now descend half chopsticks in upper joint, need not take off; The second combination is: first the lower half chopsticks that are equipped with connecting joint that fold are spun down from upper joint external screw thread junction, then the short section of internal thread of connecting joint of soup ladle of a part of quarter butt that is equipped with connecting joint is connected with the external screw thread of upper joint, is now equipped with the little external screw thread in link outside of the soup ladle of a part of quarter butt of connecting joint and the internal thread of upper joint and is connected; The second combination is installed top cap on the other end external screw thread of upper joint; Described upper joint be equipped with connecting joint a part of quarter butt table fork, be equipped with connecting joint a part of quarter butt steak knife, with the fruit fork, identical with the two kinds of combinations of soup ladle of a part of quarter butt that are equipped with connecting joint with the two kinds of combinations of second section of fruit knife that are equipped with connecting joint of a part of quarter butt that is equipped with connecting joint; While being equipped with the lower half chopsticks of connecting joint with second section of fruit knife replacement that is equipped with connecting joint, the combination of soup ladle, table fork, steak knife, fruit fork is identical with two kinds of combinations of soup ladle, can make to facilitate diner need to use soup ladle, table fork, steak knife, fruit fork according to oneself.

12, the lower half chopsticks that are equipped with connecting joint of the present invention, be equipped with a part of quarter butt of connecting joint soup ladle, be equipped with a part of quarter butt of connecting joint table fork, be equipped with a part of quarter butt of connecting joint steak knife, be equipped with a part of quarter butt of connecting joint fruit fork, to be equipped with in the lower joint of second section of fruit knife of connecting joint be all hollow conic cavity, inside cavity has the conical iron pipe of stainless iron, and the function of the conical iron pipe of stainless iron is: for fear of growing and the corrosion of various compositions of bacterium.Under described, save metal or crystal or ceramic material; it can play the effect of the support of the inside of a crystal or ceramic material the conical iron pipe of stainless iron wherein; can avoid like this fragility of crystal or ceramic material and its fragility; with metal or crystal or ceramic material; can thoroughly replace; tree resources realize save limited tree resources and beautify, environment purification, conservation of nature large everybody healthy.

13, the present invention has a stainless iron toothpick in the conical iron pipe of stainless iron, facilitates diner to use toothpick.In order to facilitate diner to extract toothpick and toothpick handle can be pulled together with the conical iron pipe of stainless iron, toothpick does not drop out from the conical iron pipe of stainless iron the inside, the handle of toothpick is magnet handle, like this no matter the toothpick of what material, capital is under the effect of the function of magnet handle, firmly be pull-in in the conical iron pipe of stainless iron and can not drop out, in the conical iron pipe of stainless iron, have a magnet to be used for holding the tip of toothpick simultaneously.

14, lower joint of the present invention side is provided with thermometer, can make diner can know temperature in kind, is unlikely to scald oneself.

15, there is the anti-slip tank of multiple barb type the lower end of the lower half chopsticks that are equipped with connecting joint of the present invention, and when can making diner use chopsticks, food can landing.

16, on the knife back of the steak knife of a part of quarter butt that is equipped with connecting joint of the present invention, be provided with bottle opener, blade indention, can make diner can use the function of bottle opener and better cut beefsteak in the time using steak knife.

17, second section of fruit knife blade front end that is equipped with connecting joint of the present invention is sawtooth sword, and rear end is flat sword, can make diner use fruit knife better to cut fruit.

Brief description of the drawings

Fig. 1 is the upper joint that is equivalent to the first half chopsticks of the present invention and be equipped with the lower half chopsticks of connecting joint or the front view when folding with second section of fruit knife that is equipped with connecting joint.

Fig. 2 be the upper joint that is equivalent to the first half chopsticks of the present invention be equipped with connecting joint lower half chopsticks combination time cutaway view.

Fig. 3 be the upper joint that is equivalent to the first half chopsticks of the present invention be equipped with connecting joint the soup ladle combination of a part of quarter butt time cutaway view.

Fig. 4 be the upper joint that is equivalent to the first half chopsticks of the present invention be equipped with connecting joint the table fork combination of a part of quarter butt time cutaway view.

Fig. 5 be the upper joint that is equivalent to the first half chopsticks of the present invention be equipped with connecting joint the steak knife combination of a part of quarter butt time cutaway view.

Fig. 6 be the upper joint that is equivalent to the first half chopsticks of the present invention be equipped with connecting joint the fruit fork sub-portfolio of a part of quarter butt time cutaway view.

Fig. 7 be the upper joint that is equivalent to the first half chopsticks of the present invention be equipped with connecting joint second section of fruit knife combination time cutaway view.

Fig. 8 is the upper joint structural representation that the present invention is equivalent to the first half chopsticks.

Fig. 9 be in Fig. 8 of the present invention A to cutaway view.

Figure 10 is connecting joint cross-sectional view of the present invention.

Figure 11 is the cutaway view of half chopsticks under the present invention.

Figure 12 is the cutaway view of the soup ladle of some quarter butt of the present invention.

Figure 13 is connecting joint structural representation of the present invention.

Figure 14 is key chain structural representation of the present invention

Figure 15 is bottle opener structural representation of the present invention.

Figure 16 is the present invention upper joint that is equivalent to the first half chopsticks and the lower half chopsticks that the are equipped with connecting joint cutaway view when folding.

Figure 17 is the cutaway view of the upper joint that is equivalent to the first half chopsticks of the present invention when folding with second section of fruit knife that is equipped with connecting joint.

Figure 18 be the upper joint that is equivalent to the first half chopsticks of the present invention folding with the lower half chopsticks that are equipped with connecting joint after again be equipped with connecting joint the soup ladle combination of a part of quarter butt time cutaway view.

Figure 19 be the upper joint that is equivalent to the first half chopsticks of the present invention folding with the lower half chopsticks that are equipped with connecting joint after again be equipped with connecting joint the table fork combination of a part of quarter butt time cutaway view.

Figure 20 be the upper joint that is equivalent to the first half chopsticks of the present invention folding with the lower half chopsticks that are equipped with connecting joint after again be equipped with connecting joint the steak knife combination of a part of quarter butt time cutaway view.

Figure 21 be the upper joint that is equivalent to the first half chopsticks of the present invention folding with the lower half chopsticks that are equipped with connecting joint after again be equipped with connecting joint the fruit fork sub-portfolio of a part of quarter butt time cutaway view.

Figure 22 be the upper joint that is equivalent to the first half chopsticks of the present invention folding with the lower half chopsticks that are equipped with connecting joint after again be equipped with connecting joint second section of fruit knife combination time cutaway view.

Figure 23 be the upper joint that is equivalent to the first half chopsticks of the present invention folding with second section of fruit knife that is equipped with connecting joint after again be equipped with connecting joint the soup ladle combination of a part of quarter butt time cutaway view.

Detailed description of the invention

Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, this tableware comprises by two joints that can connect with separating and forming, wherein upper joint 1 be equivalent to the first half of chopsticks, wherein lower joint be equipped with the lower half chopsticks 3 of connecting joint 2 or be equipped with connecting joint 2 a part of quarter butt soup ladle 4 be equipped with connecting joint 2 a part of quarter butt table fork 5 or be equipped with connecting joint 2 a part of quarter butt steak knife 6 be equipped with connecting joint 2 a part of quarter butt fruit fork 7 or be equipped with the fruit knife 8 of the lower half of connecting joint 2.Described connecting joint 2 has internal thread, the tubulose of wherein said upper joint 1 external diameter of lower half chopsticks 3, second section of fruit knife 8 blades for internal diameter is slightly larger than.

Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, there is the upper joint external screw thread 9 that the length that coordinates with connecting joint 2 is 2mm upper joint 1 end; The end of wherein said upper joint 1 also has the upper joint internal thread 13 that length that external screw thread that external screw thread that the length smaller with the both sides diameter of the link of lower half chopsticks 3, second section of fruit knife 8 is 4mm and the length smaller with the outside diameter of the quarter butt link of soup ladle, table fork, steak knife, fruit fork are 4mm coordinates is 4mm; The quarter butt link of described lower half chopsticks 3, second section of fruit knife 8 and soup ladle, table fork, steak knife, fruit fork all has the first external screw thread 11 coordinating with connecting joint 2.

Consult Fig. 8, Fig. 9, respectively there is the first groove 12 of and upper joint external screw thread 9 equal length upper joint external screw thread 9 inner sides that the length at described upper joint 1 two ends is 2mm, upper joint internal thread 13 length of the wherein said upper joint 1 i.e. length of upper joint internal thread 13 identical with the total length of upper joint external screw thread 9 and the first groove 12 is 4mm, saves external screw thread 9, upper joint internal thread 13 is general on described upper joint 1 two ends.

Consult Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Figure 10, the connecting joint 2 of half chopsticks 3 under described being assemblied in, be assemblied in the connecting joint 2 of the soup ladle 4 of a part of quarter butt, be assemblied in the connecting joint 2 that the meal 5 of a part of quarter butt is pitched, be assemblied in the connecting joint 2 of the steak knife 6 of a part of quarter butt, be assemblied in the connecting joint 2 of the fruit fork 7 of a part of quarter butt, the short section of internal thread 15 that the long section internal thread 14 that it is 11mm that all there are two sections of discontinuous length the inside that is assemblied in the connecting joint 2 of second section of fruit knife 8 and length are 4mm, and the shape of these connecting joints 2 and structure are all identical, be that connecting joint 2 length are 17mm.

Consult Fig. 2, Fig. 7, Fig. 9, Figure 10, Figure 11, Figure 16, Figure 17, the 3rd external screw thread 17 that the second external screw thread 16 that the first external screw thread 10, the length that it is 4mm that the link of described lower half chopsticks 3, second section of fruit knife 8 all has three sections of discontinuous length is 5mm and length are 4mm, the diameter of the second described external screw thread 16 is greater than the diameter of the first external screw thread 10 and the 3rd external screw thread 17, and wherein the second external screw thread 16 can be connected with the inboard internal thread of the long section internal thread 14 of connecting joint 2 during with connecting joint 2 assembled state at chopsticks or fruit knife.The diameter of the second external screw thread 16 is greater than the first external screw thread 10 diameter 2mm, that is to say the first external screw thread 10 outside tail end can and the outside surrounding of short section of internal thread 15 of connecting joint 2 gap that produces about 1mm, the gap of this 1mm just can make short section of internal thread 15 of connecting joint 2 and the upper joint external screw thread 9 of upper joint 1 be connected, and this 1mm gap effectively stops that a lot of objects enter on the internal thread the inside of connecting joint 2 and the external screw thread of chopsticks or fruit knife simultaneously.The diameter of the second external screw thread 16 is greater than the 3rd external screw thread 17 diameter 2mm, that is to say the gap that the outside of the 3rd external screw thread 17 and the outside surrounding of growing section internal thread 14 of connecting joint 2 produce about 1mm, the gap of this 1mm just can be at chopsticks, fruit knife stops while using state that a lot of objects enter on the internal thread the inside of connecting joint 2 and the external screw thread of chopsticks or fruit knife, simultaneously the gap of this 1mm just can be at chopsticks or fruit knife during at folded state, the long section internal thread 14 of connecting joint 2 and the upper joint external screw thread 9 of upper joint 1 are connected, ensure the clean and health of tableware.In the middle of the first external screw thread 10 and the second external screw thread 16, having a segment length is the second groove 18 of 2mm, in the middle of the second external screw thread 16 and the 3rd external screw thread 17, having a segment length is the 3rd groove 19 of 2mm, the second described groove 18 and a 3rd groove 19 homogeneous ring cross section is perpendicular to the axis of lower half chopsticks 3, second section of fruit knife 8, and another ring cross section tilts to link.Have first dovetail groove 20 with the 3rd groove 19 joining places, a ring cross section of the first wherein said dovetail groove 20 tilts to link, and another ring cross section downwards lower end of joint tilts.The design of this first dovetail groove 20 can make soup juice flow down from lower half chopsticks 3, second section of fruit knife 8 edges, upper end, has effectively protected the clean and health of diner in the time using tableware.

Consult Fig. 3, Fig. 4, Fig. 5, Fig. 6, Figure 12, the link of the steak knife 6 of the soup ladle 4 of some described quarter butt, the table fork 5 of some quarter butt, some quarter butt, the fruit fork 7 of some quarter butt all has the first external screw thread 11 of two sections of discontinuous length 5mm and the little external screw thread 21 that length is 4mm.Wherein the diameter of inboard first external screw thread 11 is greater than the diameter 2mm of the little external screw thread 21 in outside.That is to say, the soup ladle 4 of some quarter butt, the table fork 5 of some quarter butt, the steak knife 6 of some quarter butt, after the long section internal thread 14 of the first external screw thread 11 of the fruit fork 7 of some quarter butt and connecting joint 2 is threaded, the gap that wherein tail end of little external screw thread 21 in outside and the outside surrounding of short section of internal thread 15 of connecting joint 2 have produced 1mm, the gap of this 1mm just can make short section of internal thread 15 of connecting joint 2 and the upper joint external screw thread 9 of upper joint 1 be connected, the gap of this 1mm has effectively stopped that a lot of objects enter internal thread the inside and the soup ladle in connecting joint 2 simultaneously, table fork, on the external screw thread of steak knife and fruit fork, ensure the clean and health of tableware.The link of the steak knife 6 of the soup ladle 4 of some described quarter butt, the table fork 5 of some quarter butt, some quarter butt, the fruit fork 7 of some quarter butt has two sections of discontinuous length to be respectively the 4th groove 22 of inboard 6mm and the 5th groove 23 that length of outer side is 2mm.Described the 4th groove 22, the 5th groove 23 are trapezoidal, described the 4th groove 22, a 5th groove 23 homogeneous ring cross section are perpendicular to the axis of the fruit fork 7 of the steak knife 6 of the table fork 5 of the soup ladle 4 of some quarter butt, some quarter butt, some quarter butt, some quarter butt, and another ring cross section tilts to link.The link of the steak knife 6 of the soup ladle 4 of some described quarter butt, the table fork 5 of some quarter butt, some quarter butt, the fruit fork 7 of some quarter butt has second dovetail groove 24 with the 5th groove 22 phase joining places, a ring cross section of the second wherein said dovetail groove 24 tilts to link, and another ring cross section downwards lower end of joint tilts.

Consult Fig. 1, Fig. 2, Figure 13, described upper joint 1 has one to prevent the first plane 25 that the length of dishware rolling is 80mm, described connecting joint 2 has the second plane 26 that a length that prevents dishware rolling is 17mm, and in the time that upper joint 1 and the lower half chopsticks 3 that are equipped with connecting joint 2 combine or be folding, two planar registration overlap.

Consult Fig. 1, Fig. 2, Figure 14, Figure 15, Figure 16, described upper joint external screw thread 9 one end are connected with connecting joint 2 internal threads, the upper joint external screw thread 9 of the other end is with inner to have length be that the top cap of the internal thread 40 of 5mm is connected, the second magnet 39 that while having two chopsticks use or fold in wherein said top cap, chopsticks can automatically pull together, described top cap is the first bottle opener 27 or key chain 28, the first described bottle opener 27, key chain 28 all has the 3rd plane 29 that prevents tableware rolling, in the time that the upper joint 1 with crown cap and the lower half chopsticks 3 that are equipped with connecting joint combine or be folding, three planar registration overlap.

Consult Fig. 2, Fig. 9, Figure 10, Figure 11, when described upper joint 1 is combined into chopsticks with the lower half chopsticks 3 that are equipped with connecting joint 2: only the short section of internal thread 15 of connecting joint of link of the lower half chopsticks 3 that are equipped with connecting joint 2 need be connected to combination with the upper joint external screw thread 9 of upper joint 1; Now, smaller the first external screw thread 10 of lower half chopsticks 3 outside tail end diameters and the upper joint internal thread 13 of upper joint are connected.

Consult Fig. 1, Fig. 9, Figure 10, Figure 16, when described upper joint 1 is combined into Folding chopsticks with the lower half chopsticks 3 that are equipped with connecting joint 2: only short section of internal thread in the connecting joint of the chopsticks that combine 2 15 and the upper joint external screw thread 9 of upper joint need be screwed off, again the lower end of the lower half chopsticks 3 that are equipped with connecting joint 2 is inserted into 1 li, upper joint, finally the long section internal thread 14 in connecting joint 2 is connected with the upper joint external screw thread 9 of upper joint 1, now, the 3rd external screw thread 17 that the inboard diameter of lower half chopsticks 3 is little and the upper joint internal thread 13 of upper joint 1 are connected, the second external screw thread 16 that lower half chopsticks mid diameter is large is connected with the long section internal thread 14 in connecting joint 2.

Consult Fig. 1, Fig. 7, Figure 17, described second the intercept water lower joint of fruit 8 and combination and folding mode of upper joint 1 and to be equipped with the lower joint of lower half chopsticks 3 of connecting joint 2 identical with the combination folding mode of upper joint that is equipped with connecting joint 2.

Consult Fig. 2, Figure 18, described upper joint 1 has two kinds of combinations with the soup ladle 4 of a part of quarter butt that is equipped with connecting joint 2, the first combination is: after the lower half chopsticks 3 that are equipped with connecting joint 2 fold, the upper joint external screw thread 9 of the other end of upper joint is connected with the short section of internal thread 15 of connecting joint 2 of soup ladle 4 of a part of quarter butt that is equipped with connecting joint 2, now outside the link of soup ladle, the upper joint internal thread 13 of the little external screw thread 21 of tail end and upper joint 1 other end is connected, now descend half chopsticks 3 at 1 li, upper joint, need not take off.

Consult Fig. 3, Fig. 9, Figure 10, Figure 12, Figure 16, the second combination of soup ladle is: first the lower half chopsticks 3 that are equipped with connecting joint 2 that fold are spun down from upper joint external screw thread 9 junctions, then the short section of internal thread 15 of connecting joint 2 of soup ladle 4 of a part of quarter butt that is equipped with connecting joint 2 is connected with the upper joint external screw thread 9 of upper joint, is now equipped with the little external screw thread 21 in link outside of the soup ladle 4 of a part of quarter butt of connecting joint 2 and the upper joint internal thread 13 of upper joint and is connected.This combination can be installed top cap on the other end external screw thread of upper joint 1, and top cap can be the first bottle opener 27 or key chain 28.

Consult Fig. 4, Fig. 5, Fig. 6, Fig. 7, Figure 19, Figure 20, Figure 21, Figure 22, described upper joint 1 be equipped with connecting joint 2 a part of quarter butt table fork 5, be equipped with connecting joint 2 a part of quarter butt steak knife 6, be equipped with connecting joint 2 a part of quarter butt fruit fork 7 and to be equipped with two kinds of combinations of second section of fruit knife 8 of connecting joint 2 identical with the two kinds of combinations of soup ladle 4 of a part of quarter butt that are equipped with connecting joint 2.

Consult Figure 23, while being equipped with the lower half chopsticks of connecting joint with second section of fruit knife replacement that is equipped with connecting joint, the combination of soup ladle, table fork, steak knife, fruit fork is identical with two kinds of combinations of soup ladle.

Consult Figure 11, Figure 12, the described lower half chopsticks 3 that are equipped with connection 2, be equipped with the soup ladle 4 of a part of quarter butt of connecting joint 2, be equipped with the table fork 5 of a part of quarter butt of connecting joint 2, be equipped with the steak knife 6 of a part of quarter butt of connecting joint 2, be equipped with the fruit fork 7 of a part of quarter butt of connecting joint 2, being equipped with in the lower joint of second section of fruit knife 8 of connecting joint 2 is all hollow conic cavity, inside cavity has the conical iron pipe 30 of stainless iron, in the conical iron pipe 30 of stainless iron, there is the first magnet 31, in the conical iron pipe 30 of stainless iron, there is stainless iron toothpick 32, toothpick 32 other ends have a magnet handle 33, described lower joint side is provided with thermometer 34, the large external screw thread of the link of all lower joints can be connected with connecting joint screw-internal thread fit, there is the anti-slip tank 35 of multiple barb type the lower end of the wherein said lower half chopsticks that are equipped with connecting joint.

Consult Fig. 5, Fig. 7, on the knife back of the steak knife 6 of the described a part of quarter butt that is equipped with connecting joint 2, be provided with the second bottle opener 36, steak knife blade 37 indentions; Described second section of fruit knife blade 38 front ends that are equipped with connecting joint 2 are sawtooth sword, and rear end is flat sword.

In addition, described lower joint can be made with metal or crystal or pottery.

Claims (13)

1. a tableware, it is characterized in that, this tableware comprises by two joints that can connect with separating and forming, wherein upper joint be equivalent to the first half of chopsticks, wherein lower joint be equipped with the lower half chopsticks of connecting joint or be equipped with connecting joint a part of quarter butt soup ladle be equipped with connecting joint a part of quarter butt table fork or be equipped with connecting joint a part of quarter butt steak knife be equipped with connecting joint a part of quarter butt fruit fork or be equipped with the fruit knife of the lower half of connecting joint; Wherein said connecting joint has internal thread, and wherein said upper joint is the tubulose that internal diameter is slightly larger than the external diameter of lower half chopsticks, second section of fruit knife blade, and there is the external screw thread coordinating with connecting joint upper joint end; The internal thread that the end of wherein said upper joint also has the external screw thread smaller with the both sides diameter of the link of lower half chopsticks, second section of fruit knife and the external screw thread smaller with the outside diameter of the quarter butt link of soup ladle, table fork, steak knife, fruit fork to coordinate; The quarter butt link of described lower half chopsticks, second section of fruit knife and soup ladle, table fork, steak knife, fruit fork all has the large external screw thread coordinating with connecting joint.

2. a kind of tableware according to claim 1, it is characterized in that, respectively there is the groove of and external screw thread equal length the external screw thread inner side at described upper joint two ends, the internal thread length of wherein said upper joint is identical with the total length of external screw thread and groove, and described upper joint two ends external screw thread, internal thread are general.

3. a kind of tableware according to claim 1, it is characterized in that, all there are two segment length different and discontinuous long section internal thread and short section of internal threads in the connecting joint of half chopsticks under described being assemblied in, the connecting joint that is assemblied in the soup ladle of a part of quarter butt, the connecting joint that is assemblied in the table fork of a part of quarter butt, the connecting joint that is assemblied in the steak knife of a part of quarter butt, the connecting joint that is assemblied in the fruit fork of a part of quarter butt, the inside that is assemblied in the connecting joint of second section of fruit knife, and the shape of these connecting joints is all identical with structure.

4. a kind of tableware according to claim 1, it is characterized in that, described lower half chopsticks, the link of second section of fruit knife all has three sections of discontinuous external screw threads, two sections of discontinuous grooves and a dovetail groove, the large externally threaded diameter of wherein said centre is greater than two little externally threaded diameters in side grooves outside, wherein said ring cross section of dovetail groove tilts to link, another ring cross section downwards lower end of joint tilts, two described groove homogeneous ring cross section is perpendicular to lower half chopsticks, the axis of second section of fruit knife, another ring cross section tilts to link.

5. a kind of tableware according to claim 1, it is characterized in that, the soup ladle of some described quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, the link of the fruit fork of some quarter butt all has two sections of discontinuous large external screw threads and little external screw thread, two sections of discontinuous grooves and a dovetail groove, wherein inboard large externally threaded diameter is greater than the little externally threaded diameter in the outside of outside groove, wherein said ring cross section of dovetail groove tilts to link, another ring cross section downwards lower end of joint tilts, a groove homogeneous ring cross section in two of large external screw thread both sides, described inboard is perpendicular to the soup ladle of some quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, the axis of the fruit fork of some quarter butt, another ring cross section tilts as link.

6. a kind of tableware according to claim 1, it is characterized in that, described upper joint has a plane that prevents dishware rolling, and described connecting joint has a plane that prevents dishware rolling, and two planar registration overlap when upper joint and when being equipped with the lower half chopsticks combination of connecting joint or folding.

7. a kind of tableware according to claim 1, it is characterized in that: described upper joint external screw thread one end is connected with connecting joint internal thread, the external screw thread of the other end can be connected with female top, inside cap, the magnet that while having two chopsticks use or fold in wherein said top cap, chopsticks can automatically pull together, described top cap is bottle opener or key chain, described bottle opener, key chain all has a plane that prevents tableware rolling, and three planar registration overlap when the upper joint with crown cap and when being equipped with the lower half chopsticks combination of connecting joint or folding.

8. a kind of tableware according to claim 1, it is characterized in that, when described upper joint is combined into chopsticks with the lower half chopsticks that are equipped with connecting joint: only the short section of internal thread of connecting joint of link of the lower half chopsticks that are equipped with connecting joint need be connected to combination with the external screw thread of upper joint; Now, outside lower half chopsticks, the smaller external screw thread of tail end diameter and the internal thread of upper joint are connected; When described upper joint is combined into Folding chopsticks with the lower half chopsticks that are equipped with connecting joint: only need be by under the external thread rotary of short section of internal thread in the connecting joint of the chopsticks that combine and upper joint, again the lower end of the lower half chopsticks that are equipped with connecting joint is inserted in upper joint, finally the long section internal thread in connecting joint is connected with the external screw thread of upper joint, now, the little external screw thread that the inboard diameter of lower half chopsticks is little and the internal thread of upper joint are connected, and the large external screw thread that lower half chopsticks mid diameter is large is connected with the long section internal thread in connecting joint; The lower joint of described second section of fruit knife that is equipped with connecting joint and combination and the folding mode of upper joint and to be equipped with the lower joint of lower half chopsticks of connecting joint identical with the combination folding mode of upper joint.

9. a kind of tableware according to claim 1, it is characterized in that: described upper joint has two kinds of combinations with the soup ladle of a part of quarter butt that is equipped with connecting joint, the first combination is: after the lower half chopsticks that are equipped with connecting joint fold, the external screw thread of the other end of upper joint is connected with the short section of internal thread of connecting joint of soup ladle of a part of quarter butt that is equipped with connecting joint, now outside the link of soup ladle, the little external screw thread of tail end is connected with the internal thread of the upper joint other end, now descend half chopsticks in upper joint, need not take off; The second combination is: first the lower half chopsticks that are equipped with connecting joint that fold are spun down from upper joint external screw thread junction, then the short section of internal thread of connecting joint of soup ladle of a part of quarter butt that is equipped with connecting joint is connected with the external screw thread of upper joint, is now equipped with the little external screw thread in link outside of the soup ladle of a part of quarter butt of connecting joint and the internal thread of upper joint and is connected; The second combination is installed top cap on the other end external screw thread of upper joint; Described upper joint be equipped with connecting joint a part of quarter butt table fork, be equipped with connecting joint a part of quarter butt steak knife, with the fruit fork, identical with the two kinds of combinations of soup ladle of a part of quarter butt that are equipped with connecting joint with the two kinds of combinations of second section of fruit knife that are equipped with connecting joint of a part of quarter butt that is equipped with connecting joint; While being equipped with the lower half chopsticks of connecting joint with second section of fruit knife replacement that is equipped with connecting joint, the combination of soup ladle, table fork, steak knife, fruit fork is identical with two kinds of combinations of soup ladle.

10. a kind of tableware according to claim 1, it is characterized in that: the described lower half chopsticks that are equipped with connecting joint, be equipped with the soup ladle of a part of quarter butt of connecting joint, be equipped with the table fork of a part of quarter butt of connecting joint, be equipped with the steak knife of a part of quarter butt of connecting joint, be equipped with the fruit fork of a part of quarter butt of connecting joint, being equipped with in the lower joint of second section of fruit knife of connecting joint is all hollow conic cavity, inside cavity has the conical iron pipe of stainless iron, in the conical iron pipe of stainless iron, there is magnet, in the conical iron pipe of stainless iron, there is stainless iron toothpick, there is a magnet handle toothpick one end, described lower joint side is provided with thermometer, the large external screw thread of the link of all lower joints can be connected with connecting joint screw-internal thread fit, there is the anti-slip tank of multiple barb type the lower end of the wherein said lower half chopsticks that are equipped with connecting joint.

11. a kind of tablewares according to claim 1, is characterized in that: on the knife back of the steak knife of the described a part of quarter butt that is equipped with connecting joint, be provided with bottle opener, blade indention; Described second section of fruit knife blade front end that is equipped with connecting joint is sawtooth sword, and rear end is flat sword.

12. a kind of tablewares according to claim 1, is characterized in that: under described, save metal or crystal or pottery and make.

13. according to a kind of tableware described in claim 1～12, it is characterized in that: described connecting joint length is 17mm, and the plane length that prevents dishware rolling of described connecting joint is 17mm, wherein in connecting joint, two segment length differences and discontinuous long section internal thread and short section of internal thread length are respectively 11mm and 4mm, the length of the two ends external screw thread of described upper joint, two grooves of two ends external screw thread inner side is 2mm, and the length of the two ends internal thread of upper joint is 4mm, the plane that prevents tableware rolling of described upper joint is 80mm, the bigger large external thread length of mid diameter in three sections of discontinuous external screw threads of described lower half chopsticks and the link of second section of fruit knife is 5mm, the trench length of middle large external screw thread both sides is 2mm, and the smaller little externally threaded length of two diameters in side grooves outside is 4mm, the large externally threaded diameter of the slightly larger in diameter of wherein said centre is greater than two smaller little externally threaded diameter 2mm of diameter of both sides, the soup ladle of some described quarter butt, the table fork of some quarter butt, the steak knife of some quarter butt, two sections of discontinuous external thread lengths of the link of the fruit fork of some quarter butt are respectively inboard large external screw thread 5mm and the little externally threaded 4mm in outside, the length of the groove of large external screw thread both sides is inboard 6mm and the 2mm in outside, wherein inboard large externally threaded diameter is greater than the little externally threaded diameter 2mm in outside, the length of described top cap is 20mm, wherein the internal thread length of top cap is 5mm, and the plane that prevents tableware rolling in the cap of top is 20mm.