CN207137335U - Piece-pushing mechanism on a kind of table top - Google Patents

Abstract

Piece-pushing mechanism belongs to piece-pushing mechanism in automatic mahjong machine technical field, more particularly to a kind of table top on a kind of table top.The utility model offer is a kind of to reduce piece-pushing mechanism on the low table top of mahjong machine volume, fault rate.The utility model includes main riser, crane and cover plate, cross motor is provided with the middle part of the main riser of its structural feature, motor gear is installed on the output shaft of motor, motor gear both sides are engaged with the first rocker gear and travelling gear respectively, and travelling gear engages away from motor gear side with the second rocker gear；The crane both ends are provided with sliding block, crane both sides are provided with the curve track being gradually increasing laterally from middle part, the sliding block is arranged on the vertical guide pillar at main riser both ends, and the capacity eccentric bearing of the rocking arm outer end of first rocker gear and the second rocker gear is separately positioned in the curve track of the crane both sides.

Description

Piece-pushing mechanism on a kind of table top

Technical field

The utility model belongs to piece-pushing mechanism in automatic mahjong machine technical field, more particularly to a kind of table top.

Background technology

Existing four mouthfuls common mahjong machines are all the structures in a card storage road and a Ge Daipai roads, will after board guidance tape declines After board is pushed on board guidance tape by the board on card storage road in body by Mah-jongg push plate, board is raised on desktop.Due to existing structure It is located under desktop, occupies the inner space of mahjong machine, so that mahjong machine desktop is wide too high now, does not meet ergonomics and set Meter requires.Player need to lean forward body when taking domino, and stretch arm and go to take domino；Accelerate the degree of fatigue of people.In addition, if in table When Mian Pai Dao Chu have the debris such as board and lighter, it can decline to fall into board guidance tape and mechanical breakdown is caused in machine.

The content of the invention

The utility model is aiming above mentioned problem, there is provided a kind of to reduce on the low table top of mahjong machine volume, fault rate Piece-pushing mechanism.

To achieve the above object, the utility model adopts the following technical scheme that, the utility model includes main riser, crane And cover plate, the main riser middle part of its structural feature are provided with cross motor, motor gear, motor tooth are provided with the output shaft of motor Wheel both sides are engaged with the first rocker gear and travelling gear respectively, and travelling gear is away from motor gear side and the second rocker gear Engagement.

The crane both ends are provided with sliding block, and crane both sides are provided with the curve being gradually increasing laterally from middle part Track, the sliding block are arranged on the vertical guide pillar at main riser both ends, and first rocker gear and the second rocker gear shake The capacity eccentric bearing of arm outer end is separately positioned in the curve track of the crane both sides.

First rocker gear and the first cam ring are coaxially connected, and the second rocker gear coaxially connects with the second cam ring Connect；First cam ring is provided with the folding swing arm of shape first, the second cam ring is provided with the folding swing arm of shape second；First Swing arm and the inner of the second swing arm connect main riser by the fulcrum shaft on main riser respectively, and the first swing arm and the second swing arm top turn Rolling bearing is provided with folding, two rolling bearings are separately positioned in the curved groove of the first cam ring and the second cam ring； The outer end of first swing arm and the second swing arm is provided with sliding bearing, and sliding bearing is arranged in the horizontal concrete chute of geosynclinal block side, The outer end of geosynclinal block is provided with the vertical joining beam of driving cover plate opening and closing；The geosynclinal block opposite side is arranged on the vertical of main riser end and led On rail.

As a kind of preferred scheme, joining beam top described in the utility model is provided with horizontal waist-shaped hole, after the cover plate Lower end is provided with set square, and set square rear end two corners are arranged in vertical arc track by follow-up pulley respectively, arc track It is arranged on the track plates top；The middle and lower part of cover plate is arranged in the waist-shaped hole by driving pulley；The geosynclinal block is another Side is arranged in the vertical guide of track plates bottom.

As another preferred scheme, the length of rocking arm described in the utility model is 37mm.

As another preferred scheme, guide rail described in the utility model is I-shaped guide rail, and the geosynclinal block corresponds to I-shaped Shape guide rail is provided with T-slot.

As another preferred scheme, joining beam described in the utility model uses inverted L-shaped joining beam.

As another preferred scheme, cover plate described in the utility model uses the L-shaped cover plate of lower folding.

As another preferred scheme, curve track described in the utility model includes interior bottom arc lower track and outer top Upper arc track, arc lower track lower end be to the lower traverse rod road notch of extension in the middle part of crane, upper arc track upper end be to The upper traverse rod road notch of crane outer end extension；The center of circle where arc lower track arc lower track outer side-lower, on Inside front of the center of circle in upper arc track where arc track；The end of lower traverse rod road notch is to prolong in the middle part of crane The lower half round shape rail groove mouth stretched, the end of upper traverse rod road notch are the upper half round shape rail groove mouth extended to crane outer end.

As another preferred scheme, the radius of circle where arc lower track described in the utility model is 41.5mm, upper arc The radius of circle is 41.8mm where shape track；Circle center where arc lower track is with circle center where upper arc track in same On vertical line, spacing 70mm；The water at circle center where lower half round shape rail groove mouth and circle center where upper half round shape rail groove mouth Flat distance is 74.2mm, and the vertical range at circle center and crane upper surface is 36.8mm where upper half round shape rail groove mouth；On The vertical range at circle center where semicircle shape track notch and circle center where lower half round shape rail groove mouth is 20.3mm.

Secondly, main riser both sides described in the utility model correspond to outside the first swing arm and the second swing arm and are provided with vertical limit Position connecting plate, upper limit column and lower limit column, the first pendulum are respectively arranged between spacing connecting plate upper and lower part and main riser It is placed in outside arm and the second swing arm in the region that upper limit column, lower limit column, spacing connecting plate, main riser surround.

In addition, the top and bottom of spacing connecting plate described in the utility model are provided with outer plaque connecting hole.

The utility model beneficial effect.

The utility model set driving cover plate opening and closing vertical joining beam, board turning road cover plate can be descended, eliminate card storage frame, under turn over While board road cover plate opens board road junction, board is risen to table top by crane.While in board road, cover plate closes board road junction, board is pushed away Board road junction is left to desktop-centric and closes board road junction.

The utility model realizes showdown on the table, reduces the inner space of mahjong machine, makes machine ultra-thin, movement is small Ingeniously.Player is easily comfortably played cards, be not required to move board, it is possible to catch board, avoid fatigue, also reduce product cost.

Using technical solutions of the utility model, mahjong machine inner space is loose, and Zhi Xiepai roads are suitable for.

The utility model reduces by an interior card storage frame, and when overcoming decline board road, table top occurs falling into sky, easily falls into debris in machine The shortcomings of.

Brief description of the drawings

The utility model is described further with reference to the accompanying drawings and detailed description.Scope of protection of the utility model It is not only limited to the statement of herein below.

Fig. 1 is the utility model front view.

Fig. 2 is Fig. 1 top view.

Fig. 3 is the utility model rearview.

Fig. 4 is Fig. 3 top view, and the section view at A-A.

Fig. 5 is that the utility model has managed bridge queen's static state side view.

Fig. 6 is the utility model door opening state side view.

Fig. 7 is that the utility model board rises to desktop side view.

Fig. 8 is that the utility model pushes board to center side view.

Fig. 9~Figure 13 is the utility model crane lifting process associated components action schematic diagram.

In figure, 1 it is main riser, 2 is crane, 3 is the first rocker gear, 4 is motor gear, 5 is travelling gear, 6 is Motor, 7 be guide pillar, 8 be sliding block, 9 be cover plate, 10 be the first cam ring, 11 be track plates, 12 be driving pulley, 13 be second Swing arm, 14 be sliding block, 15 be joining beam, 16 be rolling bearing, 17 be capacity eccentric bearing, 18 be the second rocker gear, 19 be curve rail Road, 20 be the second cam ring, 21 be fulcrum, 22 be outer plaque connecting hole, 23 be upper limit column, 24 be spacing connecting plate, 25 be Lower limit column, 26 be the first swing arm, 27 be I-shaped guide rail, 28 be waist-shaped hole, 29 be follow-up pulley, 30 be arc track, 31 It is set square for board, 32,33 be horizontal concrete chute, 34 be upper half round shape rail groove mouth, 35 be upper traverse rod road notch, 36 is upper arc Track, 37 be arc lower track, 38 be lower half round shape rail groove mouth, 39 be lower traverse rod road notch.

Embodiment

As illustrated, the utility model includes main riser 1, crane 2 and cover plate 9, the main middle part of riser 1 is provided with horizontal electricity Machine 6, is provided with motor gear 4 on the output shaft of motor 6, the both sides of motor gear 4 respectively with the first rocker gear 3 and travelling gear 5 engagements, travelling gear 5 engage away from the side of motor gear 4 with the second rocker gear 18.

The both ends of crane 2 are provided with sliding block 8, and the both sides of crane 2 are provided with what is be gradually increasing laterally from middle part Curve track 19, the sliding block 8 are arranged on the vertical guide pillar 7 at the main both ends of riser 1, and first rocker gear 3 and second shakes The capacity eccentric bearing 17 of the rocking arm outer end of arm gear 18 is separately positioned in the curve track 19 of the both sides of crane 2.

First rocker gear 3 and the first cam ring 10 are coaxially connected, the second rocker gear 18 and the second cam ring 20 It is coaxially connected；First cam ring 10 is provided with the first swing arm of folding shape 26, the second cam ring 20 is provided with folding shape Second swing arm 13；The inner of first swing arm 26 and the second swing arm 13 connects main riser 1 by the axle of fulcrum 21 on main riser 1 respectively, First swing arm 26 and the top turning point of the second swing arm 13 are provided with rolling bearing 16, and two rolling bearings 16 are separately positioned on In the curved groove of one cam ring 10 and the second cam ring 20；The outer end of first swing arm 26 and the second swing arm 13 is provided with sliding axle Hold, sliding bearing is arranged in the horizontal concrete chute of the side of geosynclinal block 14, and the outer end of geosynclinal block 14 is provided with the vertical of the driving opening and closing of cover plate 9 Joining beam 15；The opposite side of geosynclinal block 14 is arranged in the vertical guide of the main end of riser 1.

The top of joining beam 15 is provided with horizontal waist-shaped hole 28, and the posterior end of the cover plate 9 is provided with set square 32, triangle The rear end two corners of plate 32 are arranged in vertical arc track 30 by follow-up pulley respectively, and arc track 30 is arranged on the track plates 11 tops；The middle and lower part of cover plate 9 is arranged in the waist-shaped hole 28 by driving pulley 29；The opposite side of geosynclinal block 14 is arranged on In the vertical guide of the bottom of track plates 11.By set square 32, follow-up pulley, driving pulley 29, waist-shaped hole 28, it is easy to cover plate 9 The driving of opening and closing.

The length of the rocking arm is 37mm；The running position of crane 2 is suitable, stable.

The guide rail is I-shaped guide rail 27, and the geosynclinal block is provided with T-slot corresponding to I-shaped guide rail 27.

The joining beam uses inverted L-shaped joining beam；Compact-sized, small volume.

The cover plate 9 uses the L-shaped cover plate of lower folding；Compact-sized, small volume.

The curve track includes arc track on interior bottom arc lower track and outer top, arc lower track lower end be to The lower traverse rod road notch of extension in the middle part of crane, upper arc track upper end are the upper traverse rod road notch extended to crane outer end； The center of circle where arc lower track is in the outer side-lower of arc lower track, and the center of circle is in upper curved track where upper arc track The inside front in road；The end of lower traverse rod road notch is to the lower half round shape rail groove mouth of extension in the middle part of crane, upper traverse rod road The end of notch is the upper half round shape rail groove mouth extended to crane outer end.

The radius of circle is 41.5mm where the arc lower track, and the radius of circle is 41.8mm where upper arc track；Under Circle center is on same vertical line where circle center where arc track and upper arc track, spacing 70mm；Lower half round shape rail The horizontal range at circle center where road notch and circle center where upper half round shape rail groove mouth is 74.2mm, upper half round shape rail groove The vertical range at circle center and crane upper surface is 36.8mm where mouthful；Circle center and lower half where upper half round shape rail groove mouth The vertical range at circle center is 20.3mm where round shape track notch.

The both sides of main riser 1 correspond to outside the first swing arm 26 and the second swing arm 13 and are provided with vertical spacing connecting plate 24, upper limit column 23 and lower limit column 25, the first pendulum are respectively arranged between the spacing upper and lower part of connecting plate 24 and main riser 1 The region that upper limit column 23, lower limit column 25, spacing connecting plate 24, main riser 1 surround is placed in outside the swing arm 13 of arm 26 and second It is interior.Upper limit column 23 and lower limit column 25 are set, swing arm play laterally can be prevented, it is spacing to swing arm, ensure the stabilization of swing arm Operation.

The top and bottom of the spacing connecting plate 24 are provided with outer plaque connecting hole 22；It is easy to the connection of outer plaque.

Piece-pushing mechanism can match somebody with somebody with the core of existing four mouthfuls of machines and specific short defeated mahjong piece feeding mechanism on the utility model table top Close and use.

As shown in Fig. 9~13, the initial position of the utility model capacity eccentric bearing 17 is placed in the middle position of arc lower track 37 Put.Second rocker gear 18 turn clockwise 60 ° of angles when, capacity eccentric bearing 17 is placed in traverse rod road notch 35, the second rocking arm tooth The vertical range for taking turns 18 centers and the upper surface of crane 2 is 10mm.Second rocker gear 18 continues dextrorotation and turns over 124 ° of angles When, capacity eccentric bearing 17 is placed in the medium position of arc track 36, and the center of the second rocker gear 18 is hung down with the upper surface of crane 2 Straight distance is 80mm.When the continuation dextrorotation of second rocker gear 18 turns over 60 ° of angles, capacity eccentric bearing 17 is placed in lower traverse rod road notch In 39, the vertical range at the center of the second rocker gear 18 and the upper surface of crane 2 is 80mm.Second rocker gear 18 continues up time When pin rotates through 116 ° of angles, capacity eccentric bearing 17 returns to initial position, and the center of the second rocker gear 18 is hung down with the upper surface of crane 2 Straight distance is 10mm.Pass through this method of operation, it is ensured that the high efficient and reliable operation of crane.

Illustrate the course of work of the present utility model below in conjunction with the accompanying drawings.

When motor gear 4 rotates, the first rocker gear 3 of driving, travelling gear 5 are rotated, and the driving of travelling gear 5 second is shaken Arm gear 18 rotates.

When the centripetal rotation of two rocker gears, the capacity eccentric bearing 17 of rocking arm rotational band motion rocker arm end is along crane 2 Curve track 19 move, drive crane 2 moved up and down along guide pillar.

When two cam rings relatively rotate, the rolling bearing 16 in the swing arm in cam ring is done with cam ring curve Lower motion, swing arm outer end sliding bearing drives geosynclinal block 14 to move up and down and slid laterally in horizontal concrete chute, installed in geosynclinal block 14 On joining beam move up and down together therewith.Cover plate 9 is along the arc track 30 on track plates 11 respectively as schematic diagram 5 stops, schematic diagram 6 Enabling, Fig. 8 showdowns etc. act.

It is understood that above with respect to specific descriptions of the present utility model, it is merely to illustrate the utility model and is not The technical scheme described by the utility model embodiment is limited to, it will be understood by those within the art that, still can be with The utility model is modified or equivalent substitution, to reach identical technique effect；As long as satisfaction uses needs, all in this reality Within new protection domain.

Claims (10)

1. piece-pushing mechanism on a kind of table top, including main riser, crane and cover plate, it is characterised in that be provided with horizontal stroke in the middle part of main riser To motor, motor gear is installed on the output shaft of motor, motor gear both sides respectively with the first rocker gear and travelling gear Engagement, travelling gear engage away from motor gear side with the second rocker gear；

The crane both ends are provided with sliding block, and crane both sides are provided with the curve rail being gradually increasing laterally from middle part Road, the sliding block are arranged on the vertical guide pillar at main riser both ends, the rocking arm of first rocker gear and the second rocker gear The capacity eccentric bearing of outer end is separately positioned in the curve track of the crane both sides；

First rocker gear and the first cam ring are coaxially connected, and the second rocker gear and the second cam ring are coaxially connected；Phase First cam ring should be provided with the folding swing arm of shape first, the second cam ring is provided with the folding swing arm of shape second；First swing arm Main riser, the first swing arm and the second swing arm top turning point are connect by the fulcrum shaft on main riser respectively with the inner of the second swing arm Rolling bearing is provided with, two rolling bearings are separately positioned in the curved groove of the first cam ring and the second cam ring；First The outer end of swing arm and the second swing arm is provided with sliding bearing, and sliding bearing is arranged in the horizontal concrete chute of geosynclinal block side, geosynclinal block Outer end be provided with driving cover plate opening and closing vertical joining beam；The geosynclinal block opposite side is arranged on the vertical guide of main riser end On.

2. piece-pushing mechanism on a kind of table top according to claim 1, it is characterised in that the joining beam top is provided with transverse waist Type hole, the posterior end of the cover plate are provided with set square, and set square rear end two corners are arranged on vertical arc by follow-up pulley respectively In shape track, arc track is arranged on the track plates top；The middle and lower part of cover plate is arranged on the waist type by driving pulley In hole；The geosynclinal block opposite side is arranged in the vertical guide of track plates bottom.

3. piece-pushing mechanism on a kind of table top according to claim 1, it is characterised in that the length of the rocking arm is 37mm.

4. piece-pushing mechanism on a kind of table top according to claim 1, it is characterised in that the guide rail is I-shaped guide rail, described Geosynclinal block is provided with T-slot corresponding to I-shaped guide rail.

5. piece-pushing mechanism on a kind of table top according to claim 1, it is characterised in that the joining beam uses inverted L-shaped joining beam.

6. piece-pushing mechanism on a kind of table top according to claim 1, it is characterised in that the cover plate uses the L-shaped lid of lower folding Plate.

7. piece-pushing mechanism on a kind of table top according to claim 1, it is characterised in that the curve track includes interior lower subordinate Arc track on arc track and outer top, arc lower track lower end are the lower traverse rod road notch extended in the middle part of crane, on Arc track upper end is the upper traverse rod road notch extended to crane outer end；The center of circle is in arc lower rail where arc lower track The outer side-lower in road, inside front of the center of circle in upper arc track where upper arc track；The end of lower traverse rod road notch For the lower half round shape rail groove mouth extended to crane middle part, the end of upper traverse rod road notch is to the upper of crane outer end extension Semicircle shape track notch.

A kind of 8. piece-pushing mechanism on table top according to claim 7, it is characterised in that half of circle where the arc lower track Footpath is 41.5mm, and the radius of circle is 41.8mm where upper arc track；Circle center where arc lower track and upper arc track institute At circle center on same vertical line, spacing 70mm；Circle center where lower half round shape rail groove mouth and upper half round shape rail groove The horizontal range at circle center where mouthful is 74.2mm, and circle center is vertical with crane upper surface where upper half round shape rail groove mouth Distance is 36.8mm；The vertical range at circle center where upper half round shape rail groove mouth and circle center where lower half round shape rail groove mouth For 20.3mm.

9. piece-pushing mechanism on a kind of table top according to claim 1, it is characterised in that the main riser both sides correspond to first Vertical spacing connecting plate is provided with outside swing arm and the second swing arm, is set respectively between spacing connecting plate upper and lower part and main riser Upper limit column and lower limit column are equipped with, upper limit column, lower limit column, spacing connection are placed in outside the first swing arm and the second swing arm In the region that plate, main riser surround.

10. piece-pushing mechanism on a kind of table top according to claim 9, it is characterised in that the upper end of the spacing connecting plate is with End is provided with outer plaque connecting hole.