CN202682762U - Mah-jong pieces - Google Patents
Mah-jong pieces Download PDFInfo
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- CN202682762U CN202682762U CN 201220388139 CN201220388139U CN202682762U CN 202682762 U CN202682762 U CN 202682762U CN 201220388139 CN201220388139 CN 201220388139 CN 201220388139 U CN201220388139 U CN 201220388139U CN 202682762 U CN202682762 U CN 202682762U
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Abstract
The utility model relates to mah-jong pieces. The mah-jong pieces are different in terms of density distribution along a thickness direction of each piece so that the center of gravity of each piece tends toward one side of a right side or a reverse side of each piece. The beneficial effects are that magnetic materials and corresponding photoelectric devices are no longer needed for identification of surfaces of the mah-jong pieces, thereby substantially saving costs and minimizing consumption of rare earth materials on one hand, and minimizing possibility of cheating on the pieces on the other hand; the surfaces of the mah-jong pieces can be identified accurately based on the center of gravity of each piece, and piece turning is reliable; and a corresponding piece turning mechanism is simple in structure and low in cost.
Description
Technical field
The utility model relates to a kind of mah-jong pieces in the mahjong machine.
Background technology
The mah-jong pieces that existing mahjong machine uses all are magnetic, and the front of mah-jong pieces (character or white face are arranged) and reverse side have different magnetic.When mahjong machine is worked, these magnetic mahjongs in the bucket of shuffling, shuffled the traffic cycle drive of bottom of the barrel and thereupon rotation, mah-jong pieces move to the traffic cycle edge under the effect of centrifugal force.Some permanent magnets are set below the traffic cycle, mah-jong pieces may produce upset because being subject to this permanent magnets magneticaction in the process that moves to the edge, according to the two magnet two like magnetic poles repel each other principles that there is a natural attraction between the sexes, be in the consistent board of the final turning board face of mah-jong pieces at traffic cycle edge, namely downward board face is different with the corresponding magnetic pole of permanent magnets on the traffic cycle.The consistent board of these board faces again by magnetic force be attracted on the four directions to suction board wheel on, send in the delivery chute by inhaling the rotation of board wheel.If change mah-jong pieces board face direction, need only the corresponding magnetic polarity of obverse and reverse that changes mah-jong pieces, or change the permanent magnets magnetic polarity of the traffic cycle below of the bottom of the barrel of shuffling.
Its manufacture craft relative complex of the magnetic mah-jong pieces of tool, the production cycle is long, energy consumption is large, and will consume a large amount of rare earth materials because containing to be magnetic, and cost is high, will place magnetic material because of inside simultaneously and make its designs and varieties single; The magnetic board has the cheating condition on the other hand.For many years, inside and outside the industry all by fair means or foul " demagnetization ", but the ordinary mahjong that has not had magnetic, the difficulty that realizes correctly and reliably board face identification and then turn-over is very large, high to specification requirements such as the precision of the frame for movement of mahjong machine and electrical equipment control, stability, the accuracy rate of action must be accomplished absolutely.Through the effort in nearly ten years, be by to the white of mah-jong pieces just or have the Analysis of Reflective Spectrum of character face face (board is positive) and colored NULI character face (board reverse side) to identify and send the corresponding frame for movement of order-driven to realize with respect to becoming well done mah-jong pieces face recognition technology.But up to the present, the accuracy of this identification reaches and does not also reach requirement so that without magnetic mahjong machine product at home, the batch that still do not have of outer market throws in.
Summary of the invention
The purpose of this utility model be to propose a kind of with need not magnetic and optoelectronic device and just can automatically identify the suitable mah-jong pieces of the switching mechanism of mah-jong pieces board face, by being achieved with following technical proposals.
Described mah-jong pieces, different along the Density Distribution of board thickness direction, the center of gravity of described board is partial to front or reverse side one side of board.
The further design of described mah-jong pieces is that described board is made corresponding cuboid by the material of two kinds of different densities and is formed by connecting by the arrangement of board thickness direction, and the Density Distribution of this board through-thickness is different.
The further design of described mah-jong pieces is, described board is made respectively cuboid and the filling block that contains cavity in inside by the material of two kinds of different densities, described cavity is along the thickness direction setting of board, described filling block and a described cavity part are suitable, and are filled in the cavity bottom corresponding to board front or reverse side one end.
The further design of described mah-jong pieces is that described cavity is the rectangular enclosure corresponding with described cuboid.
The further design of described mah-jong pieces is that described board is made the cuboid that cavity is contained in inside by a kind of density material, and described cavity is arranged on corresponding to board front or reverse side one end,
The further design of described mah-jong pieces is that described board is to lie on one's side in a flop mechanism.
The further design of described mah-jong pieces is that described flop mechanism comprises defeated board groove and identification slot, and described identification slot places defeated board groove both sides and is lower than defeated board groove; Described defeated board groove comprises two parallel spigot surface, inclined thrust surfaces and is arranged on conveyer belt between the described two parallel spigot surfaces, be respectively equipped with a board turning breach on two spigot surfaces, this two board turnings breach is pressed the front and back position setting of conveyer belt traffic direction, be respectively front board turning breach and rear upset breach, described inclined thrust surface is arranged on the spigot surface relative with rear board turning breach, defeated board groove conveyer belt width is less than the center of gravity thickness of mah-jong pieces, and to be described board center of gravity be divided in two segment length relatively long one section length with the thickness of this board to described center of gravity thickness; Defeated board groove is communicated with by the upset breach with identification slot.
The further design of described mah-jong pieces is that described flop mechanism comprises identification face, identification slot and defeated board groove; Described defeated board groove and identification slot comprise respectively conveyer belt and place the spigot surface of conveyer belt both sides; The conveyer belt of described defeated board groove transmits the output that the end forms defeated board groove, described identification face places the center of described output, and be not higher than the conveyer belt plane, identification face width degree is less than 2 times heavy center thicknesses, and described heavy center thickness is that described board center of gravity is to the vertical range of board mid-depth face; Described driving-belt is provided with some uniform steps vertical with transmission direction, and the spacing between adjacent step is greater than the length of board; Described spigot surface is in position cut-off corresponding to identification face, and described identification slot is symmetricly set in identification face both sides.
The further design of described mah-jong pieces is, described flop mechanism comprises first to fourth derivation board and first that is provided with lead-in chamfered, the second identification conveyer belt and defeated board conveyer belt, described defeated board conveyer belt is connected in series by the board direction of transfer with the first identification conveyer belt, make the output of defeated board conveyer belt facing to the input of the first identification conveyer belt, and the output of defeated board conveyer belt is higher than the input of the first identification conveyer belt, the second identification conveyer belt is connected to the first identification conveyer belt one side by the belt width direction, and the first identification conveyer belt is higher than the second identification conveyer belt, the first derivation board places the output of defeated board conveyer belt, second, the 4th derivation board places respectively the input of the first identification conveyer belt, output, on the 3rd derivation board places and knows on the second identification conveyer belt and corresponding to first second, position between the 4th derivation board, the distance between the 3rd derivation board and the second identification conveyer belt is greater than the thickness of board.
The utility model is in front or the reverse side of under the state of lying on one's side its center of gravity being partial to board at board, and mah-jong pieces take advantage of sleeping bearing-surface to change under the cooperation corresponding state, make bearing-surface be in inboard or the outside of board center of gravity, the board that center of gravity is in the bearing-surface outside will produce lateral overturning, fall into corresponding identification slot, form the flat sleeping board of required board face, and center of gravity be in the board of bearing-surface inboard remain on take advantage of on the sleeping bearing-surface.The biasing of this dependence center of gravity comes the identifying plate positive and negative, and cooperate corresponding board and flop mechanism to realize the board turning action, and reach the purpose to the arrangement of board face, will produce following beneficial effect: no longer need magnetic material, thus, can greatly save cost on the one hand, reduce the consumption to rare earth material, reduce on the one hand the possibility of practising fraud at board, simultaneously come the identifying plate face very accurate according to the board center of gravity, the board turning Reliability of Microprocessor, and corresponding flop mechanism is simple in structure, and cost is low.
Description of drawings
Fig. 1 is the schematic diagram of making a kind of structure of the utility model mah-jong pieces with bi-material.
Fig. 2 is the schematic diagram of making the another kind of structure of the utility model mah-jong pieces with bi-material.
Fig. 3 is the schematic diagram of making a kind of structure of the utility model mah-jong pieces with a kind of material.
Fig. 4 is the structural representation of the utility model flop mechanism when overlooking, in the conveyer belt that the center of gravity that flop mechanism is registered the license drops on.
Fig. 5 is the transport process of board shown in flop mechanism shown in Figure 4 is looked from the B direction in a, b position.
Fig. 6 is the structural representation of the utility model flop mechanism when overlooking, outside the conveyer belt that the center of gravity that flop mechanism is registered the license drops on.
Fig. 7 is the transport process of board shown in flop mechanism shown in Figure 6 is looked from the B direction in the c position.
Fig. 8 is the another kind of flop mechanism plan structure of the utility model schematic diagram, and flop mechanism is registered the license positive along guide plate 12 operations.
Fig. 9 is that board front shown in the left apparent direction of flop mechanism shown in Figure 8 is along the board switching process schematic diagram of guide plate 12 operations.
Figure 10 is the another kind of flop mechanism plan structure of the utility model schematic diagram, and flop mechanism is registered the license positive along guide plate 11 operations.
Figure 11 is that board front shown in the left apparent direction of flop mechanism shown in Figure 10 is along the board switching process schematic diagram of guide plate 11 operations.
Figure 12 is another flop mechanism plan structure schematic diagram of the utility model, and a direction board moves in flop mechanism.
Figure 13 is that the M of flop mechanism shown in Figure 12 is to view.
Figure 14 is the cutaway view of the B-B position of flop mechanism shown in Figure 12.
Figure 15 is another flop mechanism plan structure schematic diagram of the utility model, and the other direction board moves in flop mechanism.
Figure 16 is that the N of flop mechanism shown in Figure 15 is to view.
Figure 17 is the cutaway view of the C-C position of flop mechanism shown in Figure 16.
The specific embodiment
Mah-jong pieces are taken advantage of and are crouched on the defeated board groove of mahjong machine one flop mechanism or on the defeated board conveyer belt, the center of gravity of this board is partial to front or reverse side one side of board, when board moves to the delivery outlet of defeated board groove or defeated board conveyer belt, the board center of gravity drop on take advantage of outside the sleeping bearing-surface, board is done the rollover of a direction and is fallen on identification slot or the identification conveyer belt under Action of Gravity Field, in the identification slot or the board on the identification conveyer belt take advantage of with front or the consistent board face of reverse side and crouch in this identification slot.
More particularly, the face of lying on one's side that board forms with the length of board and thickness is taken advantage of and is crouched in defeated board groove or on the defeated board conveyer belt, and runs in the described defeated board groove or on the defeated board conveyer belt, this attitude board is easier to stable board turning with the length direction of board.The vertical sleeping face that width that can certainly board and thickness form is taken advantage of to crouch and carry out board turning in defeated board groove, and this is to hold facilely for a person skilled in the art, but owing to takes advantage of the stability of the little this attitude board of face that crouches to differ from.
The mah-jong pieces of realizing this said method are boards of centre offset, this board is different along the Density Distribution of board thickness direction, the front or reverse side one side that make the center of gravity of board be partial to board, and its concrete structure can be multiple, the utility model will be lifted following three examples and be explained, but never be limited to for embodiment.
Mah-jong pieces embodiment 1
Please refer to Fig. 1, these mah-jong pieces are formed by connecting by the material of two kinds of different densities.Wherein Fig. 1 a and 1d are the state of lying on one's side of this board, and Fig. 1 b and Fig. 1 c are respectively the left and right views of mah-jong pieces shown in Fig. 1 a, have shown respectively positive Z and the reverse side F of this board, and the length of this board is that L, width are that S, thickness are B.The material of two kinds of above-mentioned different densities for example can adopt the less common plastics material of density with make respectively with the larger plastic material of density its one side be equal to but different rectangular block 1a and the rectangular block 1b of thickness from board front or reverse side, the thickness of rectangular block 1a, 1b is respectively B1, B2, and both sums just in time are the mah-jong pieces thickness B.This board forms the face of lying on one's side with its length L and thickness B and lies on one's side on bearing-surface, for example lie on one's side in the defeated board groove in mahjong machine, its face A that lies on one's side sees Fig. 1 c, with above-mentioned two rectangular block 1a, the docking of 1b through-thickness, for example by mold pressing or injection moulding process both are consolidated into one, form mah-jong pieces 1, because this board is along board thickness direction upper density skewness, and the density of front one end of board is large, so the center of gravity G of board is partial to the geometric center C of board near positive Z one side of board.The center of gravity thickness of this board is BG2, and to be this board center of gravity G be divided into two sections BG1, BG2 with the thickness B of this board to center of gravity thickness, and wherein one section relatively long BG2 length is center of gravity thickness.The heavy center thickness of this board is GC, and heavy center thickness is that GC is that this board center of gravity G is to the vertical range of board mid-depth face C.Certainly also can be about to center of gravity and be partial to board reverse side F one side conversely if necessary, this is easy to accomplish for a person skilled in the art.
Mah-jong pieces embodiment 2
See also Fig. 2, these mah-jong pieces are also made by the material of two kinds of different densities.With the relatively little material of density for example common plastics make as board shape cavity cuboid, this chamber cuboid is comprised of the box body 1.1b that comprises the positive Z of board and the lid 1.1a that comprises board reverse side F, make and rectangular block 1.2 with respect to the large material building stones that for example density is high or iron with density, this rectangular block 1.2 is suitable and place in the cavity corresponding to positive Z one end of board box body with cavity, be connected on the inside bottom surface of bottom, near the end of the positive Z of board.With lid 1.1a by mold pressing or other general technological means sealing-ins at opening one end of box body 1.1b, form mah-jong pieces 1.This board center of gravity is partial to positive Z, and is partial to the side of the geometric center C of board.According to above-described embodiment 1, this board exists center of gravity thickness B G2 and heavy center thickness GC equally.
Mah-jong pieces embodiment 3
See also Fig. 3, these mah-jong pieces are made with a kind of material.In the inboard along the thickness direction of board cavity is set, for example in the inboard near described board reverse side F one end cavity is being set, make density near described board reverse side one end less than the density of board near the positive end of board.Make the Density Distribution of described board through-thickness different.Its concrete structure also can be made the structure of above-mentioned box body 1.1b and lid 1.1a, and is just much bigger than the box bottom thickness H2 of close board reverse side one end near the box body bottom thickness H1 of the positive end of board, so that center of gravity G is partial to the positive end of board.Can certainly as required center of gravity be partial to board reverse side one end, this is thing easily for a person skilled in the art.According to above-described embodiment 1, this board exists center of gravity thickness B G2 and heavy center thickness GC equally equally.
Above-mentioned mah-jong pieces place following flop mechanism, and mah-jong pieces of the present utility model are achieved to the identification of board face and to the arrangement of board face by following flop mechanism and make it become the consistent board of board face.Be not limited to illustrated embodiment in the flop mechanism.
Contrast Fig. 4～Fig. 5, flop mechanism mainly is comprised of defeated board groove 10 and identification slot 20, and identification slot 20 places defeated board groove 10 both sides and is lower than defeated board groove position.Defeated board groove 10 is for delivery of the above-mentioned board of lying on one's side, mainly formed by two parallel spigot surface 11a, 12a, inclined thrust surface 13a and the conveyer belt 14 that is arranged between the two parallel spigot surfaces, parallel spigot surface 11a, 12a depend on the guide plate 11,12 of corresponding pair of parallel, the gap ratio board thickness B of two parallel spigot surfaces is more bigger, guarantees that like this board on the conveyer belt is passed abreast with the attitude of lying on one's side.The width D of conveyer belt 14 drops on outside the conveyer belt plane center of gravity of the board of lying on one's side less than the center of gravity width B G2 of the face of lying on one's side.Spigot surface 13a depends on the two parallel guide plates 13, is the relative medial surface of this two guide plate.Be respectively equipped with the board turning breach on two spigot surface 11a, the 12a, this two board turnings breach is pressed the front and back position setting of conveyer belt traffic direction, is respectively front board turning breach 18a and rear board turning breach 18b.Inclined thrust surface 13a is arranged on the spigot surface 12a relative with rear board turning breach 18b.Conveyer belt width D is less than the center of gravity thickness B G2 of described board, and the center of gravity that makes like this board reverse side be close to the board of spigot surface 11a drops on outside the conveyer belt plane, in the rollover of front board turning breach 18a place, falls into corresponding identification slot 20.The board that the board reverse side is close to spigot surface 11b is pushed against by inclined thrust surface 13a, and center of gravity is dropped on outside the conveyer belt plane, in rear board turning indentation, there rollover, equally also falls into corresponding identification slot 20, and the board that rollover falls into identification slot 20 forms anti-supine flat sleeping board.Identification slot 20 main one comprises the parallel spigot surface of conveyer belt 24, two and places conveyer belt between this two spigot surface; Defeated board groove is communicated with by the upset breach with identification slot.
When mah-jong pieces 1 of the present utility model are transferred in above-mentioned flop mechanism, be in guide plate 12 1 sides such as the front of mah-jong pieces, reverse side F nestles up guide plate 11, takes advantage of and crouches on the conveyer belt 14 of lying on one's side, referring to the residing a of the board among Fig. 4 position and corresponding Fig. 5 a.Under conveyer belt 14 transmissions and spigot surface 11a, 12 a guiding, when board 1 parallel runs to the b position at front upset breach 18 places, because dropping on, the center of gravity of constraint guiding board that spigot surface 12a is not arranged produces rollover outside the face of lying on one's side, on the conveyer belt 24 of the identification slot 20 below falling, making the board in the identification slot unit all is the board that reverse side makes progress, and sees also the residing b of board position and corresponding Fig. 5 b among Fig. 4.
Have the positive Z of character to nestle up guide plate 11 such as mah-jong pieces, board 1 also moves from right to left by indicated direction 15.When running to corresponding and front upset breach 18a place, because of the positive Z of being partial to of mah-jong pieces, the center of gravity position is taken advantage of and is crouched on conveyer belt, and unsettled (beyond the dotted line) outside conveyer belt be the partially light mah-jong pieces reverse side F of weight, can not turn on one's side, see also board 1 residing a position and corresponding Fig. 7 a among Fig. 6, mah-jong pieces continue to lie on one's side on conveyer belt 14 and again are subject to spigot surface 11a, the 12a guiding, be transported to inclined thrust surface 13a place, be subject to the pushing and pressing of this inclined thrust surface 13a, move forward with driving-belt on the one hand, move to the identification slot direction of a corresponding side on the one hand, the bearing-surface that makes the center of gravity of board fall into conveyer belt 14 produces lateral overturning outward, sees c position and corresponding Fig. 7 b among Fig. 6.
Contrast Fig. 8～Figure 11, flop mechanism of the present utility model mainly is comprised of identification face 40, identification slot 20 and defeated board groove 10.Defeated board groove 10 is for delivery of the board of lying on one's side, and is main by parallel spigot surface 11a, 12a with place the conveyer belt 14 between this parallel spigot surface to form.Above-mentioned pair of parallel spigot surface 11a, 12a depend on the guide plate 11,12 of corresponding pair of parallel, and the thickness B of the gap ratio board 1 of two parallel spigot surfaces is more bigger, guarantees that like this board on the conveyer belt is passed abreast with the attitude of lying on one's side.The width D of conveyer belt 14 drops on outside the conveyer belt plane center of gravity of the board of lying on one's side less than the center of gravity width B G2 of the face of lying on one's side.The conveyer belt 14 of defeated board groove unit transmits the output 10a that the end forms defeated board groove unit, identification face 40 places the center of output 10a, be not higher than conveyer belt 14 planes, can flush with it or a little less than the conveyer belt plane, present embodiment adopts a little less than the conveyer belt plane.Identification face width degree I is less than 2 times heavy center thickness GC.Spigot surface 11,12 is in the cut-off of the position of identification face 40 correspondences.Driving-belt 14 is provided with some uniform step 14as vertical with transmission direction, and the spacing between adjacent step is greater than the length L of board.Identification slot 20 is symmetricly set in identification face 40 down either side, two described identification slots of present embodiment are totally one driving-belt 24, one guide plate 13 places the center of driving-belt and the below of the identification face of being positioned at 40, and two sides 23a, the 23b of this guide plate consists of two parallel identification slots 20 with the spigot surface 11a, the 12a that are positioned at the driving-belt both sides and driving-belt.S is more bigger for identification slot Width thickness, guarantees that like this board on the conveyer belt is passed abreast with flat sleeping attitude.Fail the conveyer belt 14, the 24th in board groove unit 10 and the identification slot unit 20, be respectively the conveyer belt of closed loop, all at least two by correspondence transmit the transmission of running roller (not shown)s.
When mah-jong pieces 1 are transferred in above-mentioned flop mechanism near the direction of lying on one's side of guide plate 11 1 sides according to its center of gravity G, mah-jong pieces are along direction shown in the hollow arrow 15, progressively pushed to the output 10a of delivery chute unit by the step 14a on the conveyer belt 14, referring to Fig. 8 and Fig. 9 a, step 14a vertically push against the corresponding side of mah-jong pieces below, make mah-jong pieces basic along being transmitted by translation perpendicular to direction of advance.When moving to output 20a, be pushed on the identification face 40, identification face 40 and step 14a consist of two vertical hinged of T font, guarantee that like this board is steadily carried.When board is pushed on the identification face 40 fully, referring to Fig. 9 b, produce corresponding rollover by the position of center of gravity G deflection, be partial to the right side such as the center of gravity G of board among Fig. 5, then to the right identification slot 20 upsets of board form the flat sleeping board that a reverse side makes progress at identification slot 20, referring to Fig. 9 c.When being transferred in above-mentioned flop mechanism near the direction of lying on one's side of guide plate 12 1 sides according to its center of gravity G such as mah-jong pieces 1, its running is identical with said process, and just the reverses direction of board is different, sees also Fig. 6, Fig. 7, also forms the flat board that crouches that a reverse side makes progress.
Flop mechanism embodiment 3
Contrast Figure 12, Figure 13, flop mechanism place cylinder 2 the side of shuffling, mainly by first to fourth derivation board 13 that is provided with lead-in chamfered, 15,16,17 and first, second identification conveyer belt 24,25 and defeated board conveyer belt 14 form.Defeated board conveyer belt 14 docks by board direction of transfer series winding with the first identification conveyer belt 24, make the output of defeated board conveyer belt 14 facing to the input of the first identification conveyer belt 24, and the output of defeated board conveyer belt is higher than the input of the first identification conveyer belt.Defeated board conveyer belt 14 is tilting simultaneously, and its output is higher than input, and low input will be positioned at the board output of a bottom of shuffling.The second identification conveyer belt 25 is connected to the first identification conveyer belt 24 1 sides by conveyer belt width direction, and the first identification conveyer belt 24 is higher than the second identification conveyer belt 25.The first guide plate 13 places the output of defeated board conveyer belt 14, the second derivation board 15, the 4th derivation board 17 places respectively input and the output of the first identification conveyer belt 24, the 3rd guide plate 16 place on the second identification conveyer belt 25 and corresponding to first know that conveyer belt do not go up second, position between the 4th derivation board, the distance of being separated by between the 3rd derivation board 16 and the second identification conveyer belt 25, can make with board front or flat the crouching of reverse side and can pass through when the second identification conveyer belt transmits in (according to length and the formed face of width of board), the height and position of other derivation boards is the position a little more than corresponding conveyer belt substantially, and namely these derivation boards will act on the lower position of board.
Lie on one's side board 1 in defeated board conveyer belt 14 operations, the lead-in chamfered 13a that is subject on the first derivation board 13 such as the reverse side F of board derives, when then being derived this inclined-plane most significant end (among Fig. 5 a), its center of gravity of position drops on outside the defeated board conveyer belt 14, putting down crouches identifies on the conveyer belt 25 second board owing to centre offset is turned on one's side, the board reverse side makes progress, and referring to Figure 14, this board transmits and pass the 3rd derivation board 16 by the delivery outlet A output of board by the second identification conveyer belt 25.The lead-in chamfered 13a that is subject on the first derivation board 13 such as the positive Z of board derives, referring to Figure 15, Figure 16, when being derived this inclined-plane most significant end, within the relatively defeated board conveyer belt 14 of center of gravity, can not turn on one's side second identification conveyer belt 25 on, to be sent on the first identification conveyer belt 24 by defeated board conveyer belt 14, the derivation that is subject to the second derivation board 15 is derived to the second identification conveyer belt 25, this moment, board still was in the state of lying on one's side, be subject to the derivation of the 3rd derivation board 16 at the second identification conveyer belt 25, make it to move to the first identification conveyer belt, but because the second identification conveyer belt 25 is lower than the first identification conveyer belt, and center of gravity is partial to the direction of motion one side, make at last the board rollover on the first identification conveyer belt, the board reverse side makes progress, referring to Figure 17, under the derivation of the 4th derivation board 17 on the first identification conveyer belt 24, flat sleeping board is shifted onto on the second driving-belt 25 again to be exported through delivery outlet A.
The utility model will be identified the board face by the biasing of board center of gravity and the cooperation of corresponding switching mechanism, and the inconsistent board of trump card face is organized into the consistent board of board face, need not the positive and negative that photo electric sensitive element and corresponding circuit come identifying plate.Thus, greatly saved magnetic material and corresponding photo electric sensitive element, circuit, the production cost of mahjong machine is reduced greatly.
Claims (9)
1. mah-jong pieces is characterized in that described board is different along the Density Distribution of board thickness direction, and the center of gravity of described board is partial to front or reverse side one side of board.
2. a kind of mah-jong pieces according to claim 1 is characterized in that described board is made corresponding cuboid by the material of two kinds of different densities and arrange by the board thickness direction being formed by connecting, and the Density Distribution of this board through-thickness is different.
3. a kind of mah-jong pieces according to claim 1, it is characterized in that described board made respectively cuboid and the filling block that contains cavity in inside by the material of two kinds of different densities, described cavity is along the thickness direction setting of board, described filling block and a described cavity part are suitable, and are filled in the cavity bottom corresponding to board front or reverse side one end.
4. a kind of mah-jong pieces according to claim 3 is characterized in that described cavity is the rectangular enclosure corresponding with described cuboid.
5. a kind of mah-jong pieces according to claim 1 is characterized in that described board makes the cuboid that cavity is contained in inside by a kind of density material, and described cavity is arranged on corresponding to board front or reverse side one end.
6. described arbitrarily described a kind of mah-jong pieces is characterized in that described board is to lie on one's side in a flop mechanism according to claim 1-5.
7. a kind of mah-jong pieces according to claim 6 is characterized in that described flop mechanism comprises defeated board groove and identification slot, and described identification slot places defeated board groove both sides and is lower than defeated board groove; Described defeated board groove comprises two parallel spigot surface, inclined thrust surfaces and is arranged on conveyer belt between the described two parallel spigot surfaces, be respectively equipped with a board turning breach on two spigot surfaces, this two board turnings breach is pressed the front and back position setting of conveyer belt traffic direction, be respectively front board turning breach and rear upset breach, described inclined thrust surface is arranged on the spigot surface relative with rear board turning breach, defeated board groove conveyer belt width is less than the center of gravity thickness of mah-jong pieces, and to be described board center of gravity be divided in two segment length relatively long one section length with the thickness of this board to described center of gravity thickness; Defeated board groove is communicated with by the upset breach with identification slot.
8. a kind of mah-jong pieces according to claim 6 is characterized in that described flop mechanism comprises identification face, identification slot and defeated board groove; Described defeated board groove and identification slot comprise respectively conveyer belt and place the spigot surface of conveyer belt both sides; The conveyer belt of described defeated board groove transmits the output that the end forms defeated board groove, described identification face places the center of described output, and be not higher than the conveyer belt plane, identification face width degree is less than 2 times heavy center thicknesses, and described heavy center thickness is that described board center of gravity is to the vertical range of board mid-depth face; Described driving-belt is provided with some uniform steps vertical with transmission direction, and the spacing between adjacent step is greater than the length of board; Described spigot surface is in position cut-off corresponding to identification face, and described identification slot is symmetricly set in identification face both sides.
9. a kind of mah-jong pieces according to claim 1, it is characterized in that described flop mechanism comprises first to fourth derivation board and first that is provided with lead-in chamfered, the second identification conveyer belt and defeated board conveyer belt, described defeated board conveyer belt is connected in series by the board direction of transfer with the first identification conveyer belt, make the output of defeated board conveyer belt facing to the input of the first identification conveyer belt, and the output of defeated board conveyer belt is higher than the input of the first identification conveyer belt, the second identification conveyer belt is connected to the first identification conveyer belt one side by the belt width direction, and the first identification conveyer belt is higher than the second identification conveyer belt, the first derivation board places the output of defeated board conveyer belt, second, the 4th derivation board places respectively the input of the first identification conveyer belt, output, on the 3rd derivation board places and knows on the second identification conveyer belt and corresponding to first second, position between the 4th derivation board, the distance between the 3rd derivation board and the second identification conveyer belt is greater than the thickness of board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388139 CN202682762U (en) | 2012-08-07 | 2012-08-07 | Mah-jong pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388139 CN202682762U (en) | 2012-08-07 | 2012-08-07 | Mah-jong pieces |
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| CN202682762U true CN202682762U (en) | 2013-01-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755740A (en) * | 2012-08-07 | 2012-10-31 | 江苏唐邦机电有限公司 | Mahjong tiles |
| CN109126115A (en) * | 2017-06-19 | 2019-01-04 | 王洲 | A kind of detachable noiseless multi-functional mahjong |
-
2012
- 2012-08-07 CN CN 201220388139 patent/CN202682762U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755740A (en) * | 2012-08-07 | 2012-10-31 | 江苏唐邦机电有限公司 | Mahjong tiles |
| CN102755740B (en) * | 2012-08-07 | 2015-04-08 | 江苏唐邦机电有限公司 | Mahjong tiles |
| CN109126115A (en) * | 2017-06-19 | 2019-01-04 | 王洲 | A kind of detachable noiseless multi-functional mahjong |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20150408 |
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| RGAV | Abandon patent right to avoid regrant |