CN202820194U - Hidden mahjong-table table shield with two drive mechanisms - Google Patents

Hidden mahjong-table table shield with two drive mechanisms Download PDF

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Publication number
CN202820194U
CN202820194U CN 201220411942 CN201220411942U CN202820194U CN 202820194 U CN202820194 U CN 202820194U CN 201220411942 CN201220411942 CN 201220411942 CN 201220411942 U CN201220411942 U CN 201220411942U CN 202820194 U CN202820194 U CN 202820194U
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China
Prior art keywords
edge strip
power transmission
transmission shaft
spool
lid
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Expired - Fee Related
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CN 201220411942
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Chinese (zh)
Inventor
夏暮辉
郭帅帅
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Individual
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Individual
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Priority to CN 201220411942 priority Critical patent/CN202820194U/en
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Publication of CN202820194U publication Critical patent/CN202820194U/en
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Abstract

The utility model discloses a hidden mahjong-table table shield with two drive mechanisms. Four edgings that are a first edging, a second edging, a third edging and a fourth edging are arranged above a mahjong table, wherein the first edging is parallel to the third edging, the second edging is parallel to the fourth edging, and the four edgings forma square area which corresponds to this square area with the tabletop of the mahjong table. A rotating reel is arranged under the first edging and the reel winds a shield. The mahjong table is provided with a shield-dragging drive mechanism and a shield-rolling drive mechanism. The shield-drawing drives mechanism drive the shield to draw out of the reel and extend towards the third edging to cove the tabletop of the mahjong table and the shield cannot be split from the reel and the shield-rolling drive mechanism drives the reel to rotate to drive the shield to bring back the reel to uncover the tabletop of the mahjong table. The table shield is hidden in the mahjong table when the mahjong table is used and the table shield is dragged to extend to cover the whole tabletop of the mahjong table to protect the mahjong table when the mahjong table is not used.

Description

The concealed type table lid of mahjong table bi-directional drive
Technical field
The utility model belongs to the manufacturing technology field of mahjong table, is specifically related to a kind of concealed type table lid structure of mahjong table bi-directional drive, and when mahjong table used, this lid was hidden in the mahjong table; And when mahjong table was idle, then this lid can be stretched and be covered whole desktop, so that it is protected.
Background technology
No matter be traditional manually folded board mahjong table, still occur in recent years from fold board formula mahjong table, all cover without flexible/hiding table is set specially.When mahjong table is under the idle state, generally adopt at present an independent tablecloth with its desktop cover cap, in order to avoid desktop is dirty or damaged; During use, again this tablecloth is raised.This is for the user, and comparatively trouble seems.When particularly having a fairly large number of mahjong table such as chess and card room etc., this problem is just outstanding especially, and the staff need expend a large amount of time and operate, and also needs the special place of placing a large amount of tablecloths that is equipped with.
Through retrieval, Chinese patent Granted publication CN202207456U discloses four split type panels of a kind of automatic mahjong-playing machine drop cloth, this automatic mahjong-playing machine panel drop cloth four blocks of clothes when mahjong machine does not use turn over respectively and cover on mah-jong device panel and can prevent dust, and when mahjong machine uses, do not need to look for the place to place these four blocks of clothes, directly turn over and hang down to get final product, neither take up room, can also be used for dress reward code, use more convenient.Though this patented technology scheme has its advantage, there is following defective in it: 1, four blocks of split type clothes can't intactly cover the desktop of whole mahjong machine, and its protection effect is relatively poor.When 2, mahjong machine uses, although these four blocks of clothes can be used for dress reward code,, for the people who plays Mah-Jong, press piece of cloth material and front pad " bag " under the arm, sensation is like a hen on a hot girdle.3, no matter this mahjong machine structure is the use state, or idle state, and its structure particularly table top set-ups seems comparatively mixed and disorderly.
Summary of the invention
The utility model discloses a kind of concealed type table lid of mahjong table bi-directional drive, this table lid is flexible (hiding) formula table lid, that is: when mahjong table was in the use state, this lid can be hidden within the mahjong table; And when mahjong table was in idle state, this lid can be stretched and the desktop of mahjong table is intactly covered.
The utility model is taked following technical scheme: the concealed type table lid of mahjong table bi-directional drive, the top of described mahjong table has four edge strips, respectively the first edge strip, the second edge strip, the 3rd edge strip, the 4th edge strip, the first edge strip parallels with the 3rd edge strip, the second edge strip parallels with the 4th edge strip, four edge strips surround squared region, and this squared region is corresponding with the desktop of mahjong table; The below of described the first edge strip is provided with the rotary type spool, spool coiling one lid screen; Described mahjong table arranges lid screen stretching driving mechanism and lid screen rolling driving mechanism; Described lid shields the stretching driving mechanism driving lid stretched spool of screen and extends until the desktop of covering mahjong table does not break away from spool but cover screen to the 3rd edge strip; Described lid screen rolling driving mechanism drives described spool revolution, drives synchronously the rolling of described lid screen and returns described spool, until outside the desktop of mahjong table is revealed in.
Preferably, described the second edge strip, the 4th edge strip respectively edge length direction separately form chute one, and when the stretching of described lid screen or rolling, the edge of its both sides is inserted respectively with the chute of side strip and is slidingly matched.
Preferably, the stretching end edge of described lid screen is fixedly connected with a pull bar; The two ends of pull bar be slidingly matched with the chute of side strip, perhaps, the two ends of pull bar respectively set firmly a slippery fellow, chute foxy and with side strip is slidingly matched.
Preferably, the top of spool is provided with rotary type holder axle, walks around the holder axle behind the stretched spool of lid screen, extends toward the 3rd edge strip direction.
Preferably, connect by the corner transition between the adjacent edge strip, the outside of described corner is curved; The corner that is in the first edge strip two ends respectively is fixedly installed a supporting seat, and spool is hollow tubular, and the axle sleeve that respectively is rotatably assorted within its two ends, the first axle sleeve, the second axle sleeve are positioned the homonymy supporting seat by the first axle core, the second axle core respectively; Be in local overcoat one spring of the second axle core in the spool, the two ends of spring are fixedly connected with respectively movable snap ring and retainer ring, and movable snap ring is coated at the second axle core, and with the second axle core between movable the cooperation, the inwall of movable snap ring and spool fixes; Retainer ring and the second axle core are fixedly linked, and with the inwall of spool between do not link to each other, between the two can be movable.
Preferably, the spool both sides respectively form a convex type buckle, and are corresponding, and two axle sleeve outer walls form respectively a draw-in groove, and both draw-in grooves fasten with the buckle at spool two ends respectively and both are positioned within the spool.
Preferably, the first axle core is square-shaped, corresponding towards an end of homonymy supporting seat, and this supporting seat forms square jack, insert in this jack the first axle core square end and with the first axle core relative positioning; The second axle core is square-shaped, corresponding towards an end of another supporting seat, and this supporting seat forms square jack, this jack insert the second axle core square end and with the second axle core relative positioning.
Preferably, the 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is shaken the hand drive by one and rotated, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The keeper match is set on described pull bar and the 3rd edge strip, drives power transmission shaft by shaking the hand and rotate, power transmission shaft is by driving-belt pulling lid screen, the lid stretched spool of screen and to the 3rd edge strip extend put in place after, will cover screen by described keeper and locate.
Preferably, the 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is rotated by a driven by motor, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The motor forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, motor quit work, and the lid screen stretches and puts in place; Motor reversal, and in conjunction with the radially restoring force of described spring, make the described spool of lid screen rolling wraparound, when pull bar was run into the first microswitch, motor quit work, and the rolling of lid screen puts in place.
Preferably, driving-belt can be belt, seizing wire.
Preferably, it can be removable or folding shaking the hand.
Preferably, keeper adopts magnet, hook, button, VELCRO, respectively corresponding being arranged on pull bar and the 3rd edge strip.
Preferably, the 3rd edge strip bottom mounted motor holder is installed described motor, the output shaft of motor and a large synchronizing wheel interlock on the motor fixing seat, large synchronizing wheel and a little synchronizing wheel are by the transmissions such as Timing Belt, gear, chain or belt, little synchronizing wheel and described transmission shaft linkage; Each fixing bearing seat holder of the both sides, bottom of the 3rd edge strip, bearing block holder fixing bearing seat, the outer ring of bearing block rigid bearing, the inner ring of two side bearings fixes with the two ends of described power transmission shaft respectively; Affixed two runners are also distinguished at the two ends of described power transmission shaft, leave spacing between two runners of homonymy, be used for the coiling conveyer belt, conveyer belt passes the chute that stretches into behind the homonymy corner with side strip, and be fixedly linked with the end of pull bar homonymy or the slippery fellow of homonymy, with pulling lid screen.
Preferably, the 3rd edge strip below arranges the power transmission shaft of two rotary types, and each is rotated two power transmission shafts by a driven by motor, and two power transmission shafts respectively link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; Two motors rotate synchronously, drive two power transmission shafts and rotate synchronously, and two power transmission shafts pass through driving-belt pulling lid screen separately, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, two motors quit work, and the lid screen stretches and puts in place; Two motors reverse synchronously, and in conjunction with the radially restoring force of described spring, make the described spool of lid screen rolling wraparound, and when pull bar was run into the first microswitch, two motors quit work, and the rolling of lid screen puts in place.
Preferably, the keeper that matches is set on described pull bar and the 3rd edge strip; The 3rd edge strip below arranges the power transmission shaft of rotary type, and described power transmission shaft is hollow tubular, and a tube shaped electric machine is installed in it, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The tube shaped electric machine forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, when pull bar is run into the second microswitch, tube shaped electric machine quits work, and the lid screen stretches and puts in place, will cover the screen location by described keeper; Pull open described keeper, pull bar and the 3rd edge strip are separated, tube shaped electric machine is not worked, and in conjunction with the radially restoring force of described spring, makes the described spool of lid screen rolling wraparound, until the rolling of lid screen puts in place; Perhaps, the tube shaped electric machine counter-rotating in conjunction with the radially restoring force of described spring, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and tube shaped electric machine quits work, and the rolling of lid screen puts in place.
Preferably, the inner sliding surface (A) that forms in the corner at the 3rd edge strip two ends, this sliding surface (A) with the chute transition and linkage of side strip, an axle center is respectively also fixed in the inside of this two corner, the axle sleeve that can rotate is inserted in the outside in axle center, axle sleeve is in the downward corner of described sliding surface (A), and conveyer belt is crossed the chute that passes sliding surface (A) behind the axle sleeve again and enter the homonymy edge strip.
Preferably, chessboard is printed on the surface of lid screen.
Preferably, described spool is hollow tubular, in-built the first tube shaped electric machine of spool; On described the first edge strip the first microswitch is set; The 3rd edge strip below arranges the power transmission shaft of rotary type, and described power transmission shaft is hollow tubular, and the second tube shaped electric machine is installed in it, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The second tube shaped electric machine forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, the second tube shaped electric machine quit work, and the lid screen stretches and puts in place; The counter-rotating of the first tube shaped electric machine drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and the first tube shaped electric machine quits work, and the rolling of lid screen puts in place.
Preferably, described spool is hollow tubular, the in-built tube shaped electric machine of spool; On described the first edge strip the first microswitch is set; On the first edge strip and the pull bar corresponding keeper is set; The corner that is in the 3rd edge strip two ends respectively is fixedly installed a supporting seat, the 3rd edge strip below arranges the power transmission shaft of rotary type, described power transmission shaft is hollow tubular, the axle sleeve that respectively is rotatably assorted within its two ends, the first axle sleeve, the second axle sleeve are positioned the homonymy supporting seat by the first axle core, the second axle core respectively; Be in local overcoat one spring of the second axle core in the power transmission shaft, the two ends of spring are fixedly connected with respectively movable snap ring, retainer ring, and movable snap ring is coated at the second axle core, and with the second axle core between movable the cooperation, the inwall of movable snap ring and power transmission shaft fixes; Retainer ring and the second axle core are fixedly linked, and with the inwall of power transmission shaft between do not link to each other, between the two can be movable; Pull open described keeper, pull bar and the first edge strip are separated, at spring radially under the effect of restoring force, the lid stretched spool of screen also extends to the 3rd edge strip, until put in place; The tube shaped electric machine counter-rotating drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and tube shaped electric machine quits work, and the rolling of lid screen puts in place and locates by the keeper on pull bar and the first edge strip.
Preferably, described spool is hollow tubular, the in-built tube shaped electric machine of spool; On described the first edge strip the first microswitch is set; The 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is shaken the hand drive by one and rotated, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; Drive the power transmission shaft rotation by shaking the hand, power transmission shaft spurs the lid screen by driving-belt, and lid shields stretched spool and puts in place to the extension of the 3rd edge strip; The tube shaped electric machine counter-rotating drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and tube shaped electric machine quits work, and the rolling of lid screen puts in place.
Preferably, described spool is hollow tubular, the in-built tube shaped electric machine of spool; On described the first edge strip the first microswitch is set; The 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is rotated by a driven by motor, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The motor forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, motor quit work, and the lid screen stretches and puts in place; Motor and tube shaped electric machine reverse synchronously, and tube shaped electric machine drives the spool revolution, make the described spool of lid screen rolling wraparound, run into the first microswitch when pull bar, and motor and tube shaped electric machine all quit work, and the rolling of lid screen puts in place.
Preferably, described spool is shaken the hand drive by one and is rotated; The first edge strip and pull bar are provided with suitable keeper; The corner that is in the 3rd edge strip two ends respectively is fixedly installed a supporting seat, the 3rd edge strip below arranges the power transmission shaft of rotary type, described power transmission shaft is hollow tubular, the axle sleeve that respectively is rotatably assorted within its two ends, the first axle sleeve, the second axle sleeve are positioned the homonymy supporting seat by the first axle core, the second axle core respectively; Be in local overcoat one spring of the second axle core in the power transmission shaft, the two ends of spring are fixedly connected with respectively movable snap ring, retainer ring, and movable snap ring is coated at the second axle core, and with the second axle core between movable the cooperation, the inwall of movable snap ring and power transmission shaft fixes; Retainer ring and the second axle core are fixedly linked, and with the inwall of power transmission shaft between do not link to each other, between the two can be movable; Pull open described keeper, pull bar and the first edge strip are separated, at spring radially under the effect of restoring force, the lid stretched spool of screen also extends to the 3rd edge strip, until put in place; Shake the hand by shaking, drive the spool revolution, make the described spool of lid screen rolling wraparound, until the rolling of lid screen puts in place and locates by the keeper on pull bar and the first edge strip.
Preferably, described spool is shaken the hand drive by one and is rotated; The 3rd edge strip is provided with the second microswitch; The 3rd edge strip below arranges the power transmission shaft of rotary type, and described power transmission shaft is hollow tubular, and a tube shaped electric machine is installed in it, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The tube shaped electric machine forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, tube shaped electric machine quit work, and the lid screen stretches and puts in place; Shake the hand by shaking, drive the spool revolution, make the described spool of lid screen rolling wraparound, until the rolling of lid screen puts in place.
Preferably, described spool is shaken the hand drive by first and is rotated; The 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is shaken the hand drive by second and rotated, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; Shaking the hand by second drives power transmission shaft and rotates, and power transmission shaft is by driving-belt pulling lid screen, and the lid stretched spool of screen also extends to the 3rd edge strip and to put in place; Shake the hand by shaking first, drive the spool revolution, make the described spool of lid screen rolling wraparound, until the rolling of lid screen puts in place.
Preferably, described spool is by the first motor-driven; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is rotated by the second driven by motor, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first motor, the second motor forward, the driving power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, two motors quit work, and the lid screen stretches and puts in place; The first motor, the second motor reversal drive the spool revolution, make the described spool of lid screen rolling wraparound, run into the first microswitch when pull bar, and two motors quit work, and the rolling of lid screen puts in place.
Preferably, described spool is by a motor-driven; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The 3rd edge strip below arranges the power transmission shaft of rotary type, and described power transmission shaft is hollow tubular, and a tube shaped electric machine is installed in it, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; Tube shaped electric machine and motor forward, the driving power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, tube shaped electric machine and motor quit work, and the lid screen stretches and puts in place; Motor reversal drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and motor quits work, and the rolling of lid screen puts in place.
Preferably, described spool is by a motor-driven; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The corner that is in the 3rd edge strip two ends respectively is fixedly installed a supporting seat, the 3rd edge strip below arranges the power transmission shaft of rotary type, described power transmission shaft is hollow tubular, the axle sleeve that respectively is rotatably assorted within its two ends, the first axle sleeve, the second axle sleeve are positioned the homonymy supporting seat by the first axle core, the second axle core respectively; Be in local overcoat one spring of the second axle core in the power transmission shaft, the two ends of spring are fixedly connected with respectively movable snap ring, retainer ring, and movable snap ring is coated at the second axle core, and with the second axle core between movable the cooperation, the inwall of movable snap ring and power transmission shaft fixes; Retainer ring and the second axle core are fixedly linked, and with the inwall of power transmission shaft between do not link to each other, between the two can be movable; The motor forward, at spring radially under the effect of restoring force, the lid stretched spool of screen also extends to the 3rd edge strip, and when pull bar was run into the second microswitch, motor quit work, and the lid screen stretches and puts in place; Motor reversal drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and motor quits work, and the rolling of lid screen puts in place.
Preferably, the first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; Described power transmission shaft and spool pass through driving-belt and interlock, described power transmission shaft or spool are by a motor-driven, and driven by motor power transmission shaft and spool rotate synchronously, and then realize stretching and the wrapup procedure of lid screen, when pull bar was run into the first microswitch or the second microswitch, motor quit work.
Above-mentioned motor or tube shaped electric machine can adopt the modes such as remote control to control its duty namely to start and stop, thus the setting that can save each microswitch.
The table lid of the utility model mahjong table adopts flexible (hiding) formula structure, and when mahjong table was in the use state, this lid can be hidden within the mahjong table, to the structure of mahjong table particularly table top set-ups do not consist of any negative effect; And when mahjong table was in idle state, this lid can be stretched and the desktop of mahjong table is intactly covered.
The table lid of the utility model mahjong table has advantage simple for structure, easy and simple to handle.
The utility model is unrestricted to the type of mahjong table, such as traditional manually folded board formula mahjong table, all applicable from fold board formula mahjong machine etc.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the STRUCTURE DECOMPOSITION figure of embodiment 1 rolling driving mechanism.
Fig. 3 is the inside structure figure of corner.
Fig. 4 is in the embodiment 3(lid screen drawing process) plan structure figure.
Fig. 5 is the structural representation of embodiment 3.
Fig. 6 is in the embodiment 5(lid screen drawing process) plan structure figure.
Fig. 7 is the structural representation of embodiment 5.
Fig. 8 is the structural representation of embodiment 7.
The specific embodiment
Below in conjunction with accompanying drawing the utility model embodiment is elaborated.
Embodiment 1: referring to Fig. 1-3, the top of mahjong table has four edges frame 1 (in order to clearly illustrate internal structure, only shown a frame among Fig. 1), be fixedly connected with by corner 2 between the adjacent frame, the four edges frame has surrounded a foursquare space, and this foursquare space is corresponding with the desktop of mahjong table.
The upper edge of each bar frame 1 is along its length direction pressing edge strip isometric with it, the lower edge of edge strip also fixes (table top set-ups not shown in the figures) with desktop, four edge strips are respectively 3-1,3-2,3-3,3-4, connect by a corner 4 transition between the adjacent edge strip, the outside of corner 4 is curved, and edge strip 3-1 parallels with edge strip 3-3, and edge strip 3-2 parallels with edge strip 3-4, four edge strips also surround a squared region, and this squared region is corresponding up and down with the desktop of mahjong table.
The bottom that is in the corner 4 at edge strip 3-1 two ends respectively is fixedly installed a supporting seat 11, and the supporting seat 11 of both sides is symmetrical.
The spool 5 that can rotate is installed between two supporting seats 11, assembly structure is as follows: referring to Fig. 2, distance between the length of spool 5 and two supporting seats 11 is suitable (among Fig. 2, spool 5 adopts omissive representation), spool 5 is hollow tubular structures, its two ends inwall respectively forms a convex type buckle 5-1, respectively insert an axle sleeve 61,62 within the two ends of spool 5, axle sleeve 61,62 outer walls form respectively a draw-in groove 61-1,62-1, and both draw-in grooves fasten with the buckle 5-1 at spool 5 two ends respectively and both are positioned respectively within the spool 5.By bearing rotary axle core 71 movingly, axle core 71 is square-shaped, corresponding towards an end of its homonymy supporting seat within the axle sleeve 61, and this supporting seat forms square jack, insert in this jack axle core 71 square end and with axle core 71 relative positionings.Pass through movingly another axle core 72 of another bearing rotary within the axle sleeve 62, this axle core 72 is longer, and its end towards another supporting seat is square-shaped, corresponding, this supporting seat forms square jack, this jack insert axle core 72 square end and with axle core 72 relative positionings.Cylindrical section overcoat one power spring 8 of axle core 72, the two ends of spring 8 are fixedly connected with respectively movable snap ring 9, retainer ring 10, movable snap ring 9 is coated at axle core 72, and with 72 movable cooperations of axle core.The inwall of the excircle of movable snap ring 9 and spool 5 fixes.Retainer ring 10 is fixedly linked with axle core 72, and with the inwall of spool 5 between do not link to each other, between the two can activity.When spool 5 rotated, movable snap ring 9 also rotated thereupon, and axle core 72 is actionless, thereby spring 8 has been realized tightening up and loosen process radially.
Be in and also be connected with holder axle (also can claim pressure roller) 12 between the corner 4 of the first edge strip 3-1 both sides, the two ends of holder axle 12 are rotatably assorted with the corner 4 of homonymy respectively, to reduce friction.Holder axle 12 is in the top of spool 5.
Spool 5 foreign volumes shield 13(for clearly showing other structure around lid, the partial structurtes that only shown the lid screen among Fig. 1), lid screen 13 is made by the material that can reel, such as cloth, PVC thin slice, existing aluminium alloy roller shutter door material etc., walk around holder axle 12 behind its stretched spool 5, extend toward edge strip 3-3 direction, this end edge that stretches the edge of edge strip 3-3 motion (namely towards) is fixedly connected with a pull bar 14, and the two ends of pull bar 14 respectively set firmly a slippery fellow 15.Edge strip 3-2,3-4 form a chute along its length direction respectively, and chute and edge strip are isometric, and the slippery fellow 15 of chute and homonymy is slidingly matched.
Each fixing bearing seat holder 17 of the both sides, bottom of edge strip 3-3, bearing block holder 17 fixing bearing seats 18, the outer ring of bearing block 18 rigid bearings 19, the inner ring of two side bearings 19 fixes with the two ends of power transmission shaft 20 respectively.Affixed two runners 21 are also distinguished at the two ends of power transmission shaft 20, leave spacing between two runners 21 of homonymy, be used for coiling conveyer belt 22, conveyer belt can adopt belt, seizing wire etc. to make, conveyer belt 22 passes the chute that stretches into behind the homonymy corner with side strip, and be fixedly linked with the slippery fellow 15 of homonymy, with pulling lid screen 13.
The corner at edge strip 3-3 two ends, its inside structure be referring to Fig. 3, and it forms sliding surface A, and this sliding surface A and chute transition and linkage with side strip are used for stretching through conveyer belt 22.Also fix an axle center 23 in the corner, the other end in axle center 23 is fixed in the end of edge strip 3-3, the axle sleeve 24 that can rotate is inserted in the outside in axle center 23, to reduce friction, axle sleeve 24 is in the downward corner of sliding surface A, conveyer belt 22 is crossed the chute that passes sliding surface A behind the axle sleeve 24 again and enter the homonymy edge strip, is fixedly connected with the slippery fellow 15 of homonymy, makes slip more smooth and easy.
The one termination connection of power transmission shaft 20 is removable or folding shakes the hand 25.A removable end of shaking the hand axially inserts radially card mutually of the end of power transmission shaft and both, can drive power transmission shaft and rotates synchronously thereby rotate to shake the hand.This is removable shake the hand finish using after, it is outer and be concealed in other place to extract power transmission shaft out, and mahjong table is not exerted an influence.And folding shaking the hand, it three intersegmentally respectively is rotationally connected by axle, and the end of one end and power transmission shaft also is rotationally connected by axle, when folding shake the hand finish using after, can be with it folding and be hidden in the frame.
The middle part of pull bar 14 is fixedly installed a strong magnets 26 towards edge strip 3-3 one side, correspondingly, edge strip 3-3 is fixedly installed another strong magnets 27 towards the middle part, a side of pull bar 14, when lid screen 13 puts in place to edge strip 3-3 one side stretching, locate by two magnet 26,27 adhesive, under this state, lid screen 13 has covered whole desktop.Certainly, also can adopt hook, hasp, VELCRO etc. to substitute magnet positions the lid screen 13 after stretching.
The patterns such as mahjong culture, plum blossom, orchid, bamboo and chrysanthemum can be printed in the surface of lid screen 13, and to strengthen its aesthetics, it can also print chessboard, thereby has increased additional functionality, can save independent chessboard, and this is very practical in practice, uses also easy.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in, and at this moment, pull bar 14 is hidden within the edge strip 3-1.When mahjong table is idle, shake the hand 25 by shaking, make gradually stretched spool 5 of lid screen 13, extend to edge strip 3-3 one side, until two strong magnets 26,27 phase adhesives, and lid screen 13 location are lived, under this state, lid screen 13 has intactly covered the desktop of mahjong table; And, under this state, the state of tightening up (namely having stored spring energy radially) that radially is in of spring 8.After finishing using, firmly pull open two strong magnets 26,27 of inhaling mutually, both are separated, the spring 8 (radially) that is in the state of tightening up loosens gradually, make movable snap ring 9 and spool 5 synchronous revolvings, progressively be involved in spool 5 thereby drive lid screen 13, until pull bar 14 is hidden within the edge strip 3-1, at this moment, lid screen 13 is hidden within the mahjong table fully.
Embodiment 2: present embodiment is exchanged the screen of the lid among the embodiment 1 rolling drives structure with lid screen stretching drives structure, that is: drive spool rolling lid with shaking the hand and shield, and extend with the 3rd edge strip of the structures such as spring pulling lid screen to offside, at this moment, power transmission shaft is the parts such as hollow pipe, its built-in spring.The edge strip that keeper then is arranged at place one side of shaking the hand accordingly is on the first edge strip and the pull bar.The present embodiment concrete structure is used for reference reference example 1.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in, and at this moment, pull bar 14 is by keeper and the first edge strip 3-1 relative positionings such as magnet, hook, hasp, VELCROs; Under this state, spring 8 radially be in the state of tightening up.When mahjong table is idle, pull open keeper and pull bar 14 and the first edge strip 3-1 are separated, the spring 8 (radially) that is in the state of tightening up loosens gradually, make movable snap ring 9 and power transmission shaft 20 synchronous revolvings, thereby driving lid screen 13 extends to the 3rd edge strip 3-3 direction, until put in place, lid screen 13 desktops with mahjong table cover fully.
Embodiment 3: the difference of present embodiment and embodiment 1 is: present embodiment is without keepers such as strong magnets and shake the hand, the power transmission shaft 20 of present embodiment drives by motor, referring to Fig. 4,5, the side lower part of edge strip 3-3 is equipped with synchronous motor holder 28, synchronous motor 29 is installed on the holder 28, the output shaft of synchronous motor 29 and large synchronizing wheel 30 interlocks, large synchronizing wheel 30 passes through Timing Belt 32 transmissions with little synchronizing wheel 31, little synchronizing wheel 31 and power transmission shaft 20 interlocks rotate thereby synchronous motor 29 just can drive power transmission shaft 20.Edge strip 3-1 is provided with microswitch 33, and edge strip 3-3 is provided with microswitch 34, and when pull bar 14 was run into microswitch 33 or 34, motor 29 quit work.The control technology of synchronous motor and microswitch all adopts prior art to realize, the control mode of synchronous motor also adopts prior art, and it can adopt such as distance type, button (touch) switching regulator, acoustic control induction type etc., no longer describes in detail.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, start synchronous motor 29, its forward work, make gradually stretched spool 5 and to edge strip 3-3 one lateral movement of lid screen 13, until pull bar 14 is run into the microswitch 34 on the edge strip 3-3, motor 29 quits work, and lid screen 13 location are lived, under this state, lid screen 13 has intactly covered the desktop of mahjong table; And under this state, spring 8 is in the state that radially tightens up.After finishing using, again start synchronous motor 29, its reverse operation, loosen gradually the pulling force to lid screen 13, and loosen gradually process in conjunction with the spring 8 that is in the state of tightening up, make movable snap ring 9 and spool 5 synchronous revolvings, thereby make lid screen 13 be wound in gradually spool 5, until pull bar 14 is run into the microswitch 33 on the edge strip 3-1, motor 29 quits work.
In the present embodiment, synchronous motor also can pass through gear, chain, belt etc. and drive the power transmission shaft rotation, with the drive mechanism of alternative synchronization band, also can reach essentially identical technique effect, no longer describes in detail.
Other content reference example 1 of present embodiment.
Embodiment 4: present embodiment is exchanged the screen of the lid among the embodiment 3 rolling drives structure with lid screen stretching drives structure, that is: shield with motor-driven spool rolling lid, and extend with the 3rd edge strip of the structures such as spring pulling lid screen to offside, at this moment, power transmission shaft is the parts such as hollow pipe, its built-in spring.The present embodiment concrete structure is used for reference reference example 3.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, make outside desktop is revealed in, under this state, spring 8 radially be in the state of tightening up.When mahjong table is idle, synchronous motor 29 counter-rotatings, spool 5 is loosened gradually to covering the volume pulling force of screen 13, and loosen gradually process in conjunction with the spring 8 that is in the state of tightening up, make movable snap ring 9 and power transmission shaft 20 synchronous revolvings, thereby lid screen 13 is extended to the 3rd edge strip 3-3 direction, until pull bar 14 is run into the microswitch 34 on the edge strip 3-3, motor 29 quits work, and at this moment, lid screen 13 desktops with mahjong table cover fully.
Embodiment 5: the difference of present embodiment and embodiment 3 is: present embodiment adopts double-motor driving structure, referring to Fig. 6,7, the power transmission shaft of present embodiment has two to be 20-1,20-2, driven by a motor respectively, thereby formation double-motor driving structure, the structure similar that the structure of motor-driven power transmission shaft and embodiment 3 adopt, but reference example 3 no longer describe in detail.During driving, two motor synchronous operations, thus two power transmission shafts are rotated synchronously, and then make lid screen both sides synchronizing moving.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, start two synchronous motors 29, both forward work, make gradually stretched spool 5 and to edge strip 3-3 one lateral movement of lid screen 13, until microswitch 34, two motors 29 that pull bar 14 is met on the edge strip 3-3 quit work, live and make lid shield 13 location, under this state, lid screen 13 has intactly covered the desktop of mahjong table; And under this state, spring 8 is in the state that radially tightens up.After finishing using, again start two synchronous motors 29, both reverse operations, loosen gradually the pulling force to lid screen 13, and loosen gradually process in conjunction with the spring 8 that is in the state of tightening up, make movable snap ring 9 and spool 5 synchronous revolvings, thereby make lid screen 13 be wound in gradually spool 5, until microswitch 33, two motors 29 that pull bar 14 is met on the edge strip 3-1 quit work.
Other content reference example 1 and 3 of present embodiment.
Embodiment 6: the difference of present embodiment and embodiment 5 is: lid screen rolling driving mechanism adopts tube shaped electric machine to substitute the structures such as spring, thereby has saved the parts such as spring, movable snap ring, retainer ring.Spool 5 interior installation tube shaped electric machines, tube shaped electric machine operation can make spool counterclockwise or clockwise rotates, thereby realizes the draw-in and draw-off function of lid screen.Tube shaped electric machine and control technology thereof all adopt prior art.Other content reference example 5 of present embodiment.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, start two synchronous motors 29, both forward work (at this moment, tube shaped electric machine is not worked), make gradually stretched spool 5 and to edge strip 3-3 one lateral movement, until pull bar 14 is run into the microswitch 34 on the edge strip 3-3 of lid screen 13, two motors 29 quit work, and lid screen 13 location are lived, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, start simultaneously two synchronous motors 29 and tube shaped electric machine, two synchronous motor reverse operations, loosen gradually the pulling force to lid screen 13, and in conjunction with the wrapup procedure of tubulose motor-driven spool 5, make lid screen 13 be wound in gradually spool 5, until microswitch 33, three motors that pull bar 14 is met on the edge strip 3-1 all quit work.
Embodiment 7: the difference of present embodiment and embodiment 1 is: lid screen rolling driving mechanism adopts shakes the hand, namely with shaking the hand to drive spool 5 coiling lid screens 13, thereby the parts such as spring, movable snap ring, retainer ring have been saved, referring to Fig. 8,25 the structure of shaking the hand can adopt embodiment 1 described removable or folding shaking the hand, it passes behind the supporting seat 11 and an end interlock of spool 5, rotates thereby can drive spool 5.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, that shakes edge strip 3-3 one side shakes the hand 25, make gradually stretched spool 5 and to edge strip 3-3 one lateral movement of lid screen 13, until put in place, and will cover screen 13 location firmly by the keeper (present embodiment is magnet 26,27) of the upper corresponding setting of pull bar 14 and edge strip 3-3, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, pull open keeper, pull bar 14 and edge strip 3-3 are separated, and 25 drive spool 5 revolutions by shaking shaking the hand of edge strip 3-1 one side, thereby make the lid screen 13 backrush axle 5 of reeling gradually, until put in place, make outside desktop is revealed in.
Because the rolling driving mechanism of present embodiment also is hand, therefore, also keeper can be set.
Other content reference example 1 of present embodiment.
Embodiment 8: the difference of present embodiment and embodiment 3 is: lid screen rolling driving mechanism adopts motor, namely drive spool 5 coiling lid screens 13 with motor, thereby the parts such as spring, movable snap ring, retainer ring have been saved, motor is installed on edge strip 3-1 one side of mahjong machine, its output shaft and spool 5 interlocks.The motor synchronous operation of both sides.Present embodiment is used for reference reference example 3.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, start two motors, the operation of two motor synchronous forward, make gradually stretched spool 5 and to edge strip 3-3 one lateral movement of lid screen 13, until microswitch 34, two motors that pull bar 14 is met on the edge strip 3-3 all quit work, live and make lid shield 13 location, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, again start two motors, the again synchronous backward work of two motors will be covered screen 13 coiling backrush axles 5, gradually until microswitch 33, two motors that pull bar 14 is met on the edge strip 3-1 quit work.
Embodiment 9: the difference of present embodiment and embodiment 5 is: lid screen rolling driving mechanism adopts motor, namely drive spool 5 coiling lid screens 13 with motor, thereby the parts such as spring, movable snap ring, retainer ring have been saved, this motor is installed on the first edge strip 3-1 one side, its output shaft and spool 5 interlocks of mahjong machine.Three motor synchronous operations of both sides.Present embodiment is used for reference reference example 5.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, start three motors, the operation of three motor synchronous forward, make gradually stretched spool 5 and to edge strip 3-3 one lateral movement of lid screen 13, until microswitch 34, three motors that pull bar 14 is met on the edge strip 3-3 all quit work, live and make lid shield 13 location, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, again start three motors, the again synchronous backward work of three motors will be covered screen 13 coiling backrush axles 5, gradually until microswitch 33, three motors that pull bar 14 is met on the edge strip 3-1 quit work.
Embodiment 10: the difference of present embodiment and embodiment 3 is: lid screen rolling driving mechanism and lid screen stretching driving mechanism adopt same motor to realize.Saved at embodiment 3 on the basis of the parts such as spring, movable snap ring, retainer ring, power transmission shaft 20 passes through driving-belt (such as belt, chain) and interlock with spool 5.Present embodiment is used for reference reference example 3.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, starter motor, the operation of motor forward drives power transmission shaft 20 and rotates, and then drives spool 5 rotations, make gradually stretched spool 5 and to edge strip 3-3 one lateral movement of lid screen 13, until pull bar 14 is run into the microswitch 34 on the edge strip 3-3, motor quits work, and lid screen 13 location are lived, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, starter motor again, the motor reverse operation drives power transmission shaft 20 backward rotation, and then drives spool 5 backward rotation, will cover gradually and shield 13 coiling backrush axles 5, until pull bar 14 is run into the microswitch 33 on the edge strip 3-1, motor quits work.
Embodiment 11: the difference of present embodiment and embodiment 3 is: lid screen rolling driving mechanism adopts tube shaped electric machine to substitute the structures such as spring, thereby has saved the parts such as spring, movable snap ring, retainer ring.Spool 5 interior installation tube shaped electric machines, tube shaped electric machine operation can make spool counterclockwise or clockwise rotates, thereby realizes the draw-in and draw-off function of lid screen.Tube shaped electric machine and control technology thereof all adopt prior art.Other content reference example 3 of present embodiment.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, start synchronous motor 29, forward work (at this moment, tube shaped electric machine is not worked), make gradually stretched spool 5 and to edge strip 3-3 one lateral movement, until pull bar 14 is run into the microswitch 34 on the edge strip 3-3 of lid screen 13, motor 29 quits work, and lid screen 13 location are lived, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, start simultaneously synchronous motor 29 and tube shaped electric machine, the synchronous motor reverse operation, loosen gradually the pulling force to lid screen 13, and in conjunction with the wrapup procedure of tubulose motor-driven spool 5, make lid screen 13 be wound in gradually spool 5, until pull bar 14 is run into the microswitch 33 on the edge strip 3-1, synchronous motor and tube shaped electric machine all quit work.
Embodiment 12: the difference of present embodiment and embodiment 1 is: lid screen rolling driving mechanism adopts tube shaped electric machine to substitute the structures such as spring, thereby has saved the parts such as spring, movable snap ring, retainer ring.Spool 5 interior installation tube shaped electric machines, tube shaped electric machine operation can make spool counterclockwise or clockwise rotates, thereby realizes the draw-in and draw-off function of lid screen.The first edge strip is provided with the first microswitch, and when pull bar was run into the first microswitch, tube shaped electric machine shut down.Tube shaped electric machine and control technology thereof all adopt prior art.Other content reference example 1 of present embodiment.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in, and at this moment, pull bar 14 is hidden within the edge strip 3-1.When mahjong table is idle, shake the hand 25 by shaking, make gradually stretched spool 5 of lid screen 13, extend to edge strip 3-3 one side, until two strong magnets 26,27 phase adhesives (present embodiment also can not arrange the keepers such as magnet), and lid screen 13 location are lived, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, firmly pull open two strong magnets 26,27 of inhaling mutually, both are separated, start simultaneously tube shaped electric machine, drive the spool synchronous revolving, progressively be involved in spool 5 thereby drive lid screen 13, until pull bar is run into the first microswitch, tube shaped electric machine is out of service, and cover screen 13 and be hidden within the mahjong table fully this moment.
Embodiment 13: the difference of present embodiment and embodiment 12 is: lid screen rolling driving mechanism adopts tube shaped electric machine to substitute the structures such as spring, thereby has saved the parts such as spring, movable snap ring, retainer ring.Lid screen stretching driving mechanism then adopts the structures such as spring of embodiment 1, be about to power transmission shaft and be arranged to hollow shape, and with the parts such as spring, movable snap ring, retainer ring dresses in the inner, the spool internal structure phase of its mounting structure and embodiment 1 roughly the same, the content of reference example 1.And spool 5 interior installation tube shaped electric machines, tube shaped electric machine operation can make spool counterclockwise or clockwise rotates, thereby realizes the draw-in and draw-off function of lid screen.The first edge strip is provided with the first microswitch, and when pull bar was run into the first microswitch, tube shaped electric machine shut down.Tube shaped electric machine and control technology thereof all adopt prior art.Other content reference example 1 and 12 of present embodiment.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in, and at this moment, pull bar 14 is positioned edge strip 3-1 by keepers such as magnet; And, under this state, being in the spring 8 in the power transmission shaft, it radially is in the state of tightening up.When mahjong table is idle, pull open keeper, pull bar 14 and edge strip 3-1 are separated, the spring 8 that is in the state of tightening up radially loosens gradually, drives lid screen 13 and progressively extends to edge strip 3-3 direction, until put in place, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, start tube shaped electric machine, drive spool 5 synchronous revolvings, thereby drive lid screen 13 and progressively be involved in spool 5, until pull bar is run into the first microswitch, tube shaped electric machine is out of service, and lid screen 13 is hidden within the mahjong table fully, make outside the mahjong table desktop is revealed in, and spring 8 its radially be in the state of tightening up.
Embodiment 14: the difference of present embodiment and embodiment 13 is: present embodiment is exchanged the lid screen rolling driving mechanism of embodiment 13 with lid screen stretching driving mechanism, namely lid screen stretching driving mechanism adopts tube shaped electric machine, power transmission shaft 20 is hollow tubular structures, tube shaped electric machine is installed in it, and tube shaped electric machine can drive the power transmission shaft forward or reverse; The 3rd edge strip is provided with the second microswitch, and when pull bar was run into the second microswitch, tube shaped electric machine shut down.Tube shaped electric machine and control technology thereof all adopt prior art.The rolling driving mechanism then adopts the structures such as spring of embodiment 1, the content of reference example 1.Other content reference example 1 and 13 of present embodiment.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in, and under this state, is in the spring 8 in the spool 5, and it radially is in the state of tightening up.When mahjong table is idle, pull open keeper, pull bar 14 and edge strip 3-1 are separated, start simultaneously tube shaped electric machine, driving power transmission shaft 20 rotates, and then drive lid screen 13 progressively to the extension of edge strip 3-3 direction, until pull bar is run into the second microswitch, tube shaped electric machine is out of service, at this moment, pull bar 14 is positioned edge strip 3-3 by keepers such as magnet, and under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, firmly pull open keeper, pull bar 14 and edge strip 3-3 are separated, the spring 8 that is in the state of tightening up radially loosens gradually, make movable snap ring 9 and spool 5 synchronous revolvings, progressively be involved in spool 5 thereby drive lid screen 13, until pull bar 14 is hidden within the edge strip 3-1, at this moment, lid screen 13 is hidden within the mahjong table fully.
Embodiment 15: the difference of present embodiment and embodiment 14 is: present embodiment lid screen stretching driving mechanism, lid screen rolling driving mechanism adopt tube shaped electric machine, the tube shaped electric machine that is in edge strip 3-1 one side is the usefulness of rolling driving, is the usefulness of lid screen stretching and be in the tube shaped electric machine of edge strip 3-3 one side.First and third edge strip is provided with first and second microswitch, and when pull bar was met first and second microswitch, tube shaped electric machine shut down.Other content reference example 1 and 14 of present embodiment.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, start the tube shaped electric machine that is in edge strip 3-3 one side, driving power transmission shaft 20 rotates, and then drive lid screen 13 and progressively extend to edge strip 3-3 direction, until pull bar is when running into the second microswitch, this tube shaped electric machine shuts down, at this moment, pull bar 14 is positioned edge strip 3-3(present embodiment by keepers such as magnet also can be without keeper), under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, pull open keeper, pull bar 14 and edge strip 3-3 are separated, start simultaneously the tube shaped electric machine that is in edge strip 3-1 one side, drive spool 5 and rotate, thereby drive lid screen 13 and progressively be involved in spool 5, until pull bar is run into the first microswitch, this tube shaped electric machine is out of service, and lid screen 13 is hidden within the mahjong table fully, it is certain that pull bar 14 is positioned edge strip 3-1(by keepers such as magnet, present embodiment keeper herein also can).
Embodiment 16: present embodiment is exchanged the lid screen rolling driving mechanism of embodiment 11 with lid screen drawing mechanism, namely lid screen stretching driving mechanism adopts tube shaped electric machine, and lid screen rolling driving mechanism then adopts motor.Present embodiment is used for reference reference example 11.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in.When mahjong table is idle, start simultaneously synchronous motor 29 and tube shaped electric machine, make gradually stretched spool 5 and to edge strip 3-3 one lateral movement of lid screen 13, until pull bar 14 is run into the microswitch 34 on the edge strip 3-3, motor 29 and tubulose attitude motor all quit work, and lid screen 13 location are lived, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, start synchronous motor 29, the synchronous motor reverse operation drives spool 5 rollings lid screen 13, until pull bar 14 is run into the microswitch 33 on the edge strip 3-1, synchronous motor quits work.
Embodiment 17: present embodiment is exchanged the lid screen rolling driving mechanism of embodiment 12 with lid screen stretching driving mechanism, namely lid screen stretching driving mechanism adopts tube shaped electric machine, power transmission shaft 20 is hollow tubular, and tube shaped electric machine is installed in it, and tube shaped electric machine can drive power transmission shaft 20 and rotate; The 3rd edge strip is provided with the second microswitch, and when pull bar was run into the second microswitch, tube shaped electric machine shut down.The rolling driving mechanism then adopts and shakes the hand.Other content reference example 12 of present embodiment.
When mahjong table is under the use state, lid screen 13 is wound in outside the spool 5, makes outside desktop is revealed in, and at this moment, pull bar 14 is hidden within the edge strip 3-1.When mahjong table is idle, start tube shaped electric machine, the driving power transmission shaft rotates, and makes gradually stretched spool 5 of lid screen 13, extends to edge strip 3-3 one side, until pull bar is run into the second microswitch, tube shaped electric machine is out of service, two blocks of magnet 26,27 phase adhesives (present embodiment also can not arrange the keepers such as magnet), and lid screen 13 location are lived, under this state, lid screen 13 has intactly covered the desktop of mahjong table.After finishing using, firmly pull open two blocks of magnet 26,27 of inhaling mutually, both are separated, shake the hand 25 by shaking simultaneously, drive spool 5 synchronous revolvings, progressively be involved in spool 5 thereby drive lid screen 13, until lid screen 13 is hidden within the mahjong table fully.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the utility model, and be not that conduct is to restriction of the present utility model, as long as in essential scope of the present utility model, variation, modification to the above embodiment, for example: without the corner, each edge strip directly joins; Edge strip and corresponding frame are one-body molded, etc., all will fall into protection domain of the present utility model.

Claims (10)

1. the concealed type table of mahjong table bi-directional drive covers, the top of described mahjong table has four edge strips, respectively the first edge strip, the second edge strip, the 3rd edge strip, the 4th edge strip, the first edge strip parallels with the 3rd edge strip, the second edge strip parallels with the 4th edge strip, four edge strips surround squared region, and this squared region is corresponding with the desktop of mahjong table; It is characterized in that: the below of described the first edge strip is provided with the rotary type spool, spool coiling one lid screen; Described mahjong table arranges lid screen stretching driving mechanism and lid screen rolling driving mechanism; Described lid shields the stretching driving mechanism driving lid stretched spool of screen and extends until the desktop of covering mahjong table does not break away from spool but cover screen to the 3rd edge strip; Described lid screen rolling driving mechanism drives described spool revolution, drives synchronously the rolling of described lid screen and returns described spool, until outside the desktop of mahjong table is revealed in.
2. concealed type table as claimed in claim 1 covers, it is characterized in that: described the second edge strip, the 4th edge strip respectively edge length direction separately form chute one, when the stretching of described lid screen or rolling, the edge of its both sides is inserted respectively with the chute of side strip and is slidingly matched.
3. concealed type table as claimed in claim 2 covers, and it is characterized in that: the stretching end edge of described lid screen is fixedly connected with a pull bar; The two ends of pull bar be slidingly matched with the chute of side strip, perhaps, the two ends of pull bar respectively set firmly a slippery fellow, chute foxy and with side strip is slidingly matched.
4. concealed type table as claimed in claim 3 covers, and it is characterized in that: the top of spool is provided with rotary type holder axle, walks around the holder axle behind the stretched spool of lid screen, extends toward the 3rd edge strip direction.
5. such as claim 3 or 4 described concealed type table lids, it is characterized in that: connect by the corner transition between the adjacent edge strip, the outside of described corner is curved; The corner that is in the first edge strip two ends respectively is fixedly installed a supporting seat, and spool is hollow tubular, and the axle sleeve that respectively is rotatably assorted within its two ends, the first axle sleeve, the second axle sleeve are positioned the homonymy supporting seat by the first axle core, the second axle core respectively; Be in local overcoat one spring of the second axle core in the spool, the two ends of spring are fixedly connected with respectively movable snap ring and retainer ring, and movable snap ring is coated at the second axle core, and with the second axle core between movable the cooperation, the inwall of movable snap ring and spool fixes; Retainer ring and the second axle core are fixedly linked, and with the inwall of spool between do not link to each other, between the two can be movable.
6. concealed type table as claimed in claim 5 covers, it is characterized in that: the 3rd edge strip below arranges the power transmission shaft of rotary type, power transmission shaft is shaken the hand drive by one and is rotated, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The keeper match is set on described pull bar and the 3rd edge strip, drives power transmission shaft by shaking the hand and rotate, power transmission shaft is by driving-belt pulling lid screen, the lid stretched spool of screen and to the 3rd edge strip extend put in place after, will cover screen by described keeper and locate;
Perhaps, the 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is rotated by a driven by motor, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The motor forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, motor quit work, and the lid screen stretches and puts in place; Motor reversal, and in conjunction with the radially restoring force of described spring, make the described spool of lid screen rolling wraparound, when pull bar was run into the first microswitch, motor quit work, and the rolling of lid screen puts in place.
7. concealed type table as claimed in claim 5 covers, it is characterized in that: the 3rd edge strip below arranges the power transmission shaft of two rotary types, each is rotated two power transmission shafts by a driven by motor, and two power transmission shafts respectively link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; Two motors rotate synchronously, drive two power transmission shafts and rotate synchronously, and two power transmission shafts pass through driving-belt pulling lid screen separately, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, two motors quit work, and the lid screen stretches and puts in place; Two motors reverse synchronously, and in conjunction with the radially restoring force of described spring, make the described spool of lid screen rolling wraparound, and when pull bar was run into the first microswitch, two motors quit work, and the rolling of lid screen puts in place.
8. concealed type table lid as claimed in claim 5 is characterized in that: the keeper that matches is set on described pull bar and the 3rd edge strip; The 3rd edge strip below arranges the power transmission shaft of rotary type, and described power transmission shaft is hollow tubular, and a tube shaped electric machine is installed in it, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The tube shaped electric machine forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, when pull bar is run into the second microswitch, tube shaped electric machine quits work, and the lid screen stretches and puts in place, will cover the screen location by described keeper;
Pull open described keeper, pull bar and the 3rd edge strip are separated, tube shaped electric machine is not worked, and in conjunction with the radially restoring force of described spring, makes the described spool of lid screen rolling wraparound, until the rolling of lid screen puts in place; Perhaps tube shaped electric machine counter-rotating in conjunction with the radially restoring force of described spring, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and tube shaped electric machine quits work, and the rolling of lid screen puts in place.
9. concealed type table as claimed in claim 5 covers, it is characterized in that: the inner sliding surface (A) that forms in the corner at the 3rd edge strip two ends, this sliding surface (A) with the chute transition and linkage of side strip, an axle center is respectively also fixed in the inside of this two corner, the axle sleeve that can rotate is inserted in the outside in axle center, axle sleeve is in the downward corner of described sliding surface (A), and conveyer belt is crossed the chute that passes sliding surface (A) behind the axle sleeve again and enter the homonymy edge strip;
Perhaps, chessboard is printed on the surface of lid screen.
10. such as claim 3 or 4 described concealed type table lids, it is characterized in that: described spool is hollow tubular, in-built the first tube shaped electric machine of spool; On described the first edge strip the first microswitch is set; The 3rd edge strip below arranges the power transmission shaft of rotary type, and described power transmission shaft is hollow tubular, and the second tube shaped electric machine is installed in it, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The second tube shaped electric machine forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, the second tube shaped electric machine quit work, and the lid screen stretches and puts in place; The counter-rotating of the first tube shaped electric machine drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and the first tube shaped electric machine quits work, and the rolling of lid screen puts in place;
Perhaps, described spool is hollow tubular, the in-built tube shaped electric machine of spool; On described the first edge strip the first microswitch is set; On the first edge strip and the pull bar corresponding keeper is set; The corner that is in the 3rd edge strip two ends respectively is fixedly installed a supporting seat, the 3rd edge strip below arranges the power transmission shaft of rotary type, described power transmission shaft is hollow tubular, the axle sleeve that respectively is rotatably assorted within its two ends, the first axle sleeve, the second axle sleeve are positioned the homonymy supporting seat by the first axle core, the second axle core respectively; Be in local overcoat one spring of the second axle core in the power transmission shaft, the two ends of spring are fixedly connected with respectively movable snap ring, retainer ring, and movable snap ring is coated at the second axle core, and with the second axle core between movable the cooperation, the inwall of movable snap ring and power transmission shaft fixes; Retainer ring and the second axle core are fixedly linked, and with the inwall of power transmission shaft between do not link to each other, between the two can be movable; Pull open described keeper, pull bar and the first edge strip are separated, at spring radially under the effect of restoring force, the lid stretched spool of screen also extends to the 3rd edge strip, until put in place; The tube shaped electric machine counter-rotating drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and tube shaped electric machine quits work, and the rolling of lid screen puts in place and locates by the keeper on pull bar and the first edge strip;
Perhaps, described spool is hollow tubular, the in-built tube shaped electric machine of spool; On described the first edge strip the first microswitch is set; The 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is shaken the hand drive by one and rotated, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; Drive the power transmission shaft rotation by shaking the hand, power transmission shaft spurs the lid screen by driving-belt, and lid shields stretched spool and puts in place to the extension of the 3rd edge strip; The tube shaped electric machine counter-rotating drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and tube shaped electric machine quits work, and the rolling of lid screen puts in place;
Perhaps, described spool is hollow tubular, the in-built tube shaped electric machine of spool; On described the first edge strip the first microswitch is set; The 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is rotated by a driven by motor, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The motor forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, motor quit work, and the lid screen stretches and puts in place; Motor and tube shaped electric machine reverse synchronously, and tube shaped electric machine drives the spool revolution, make the described spool of lid screen rolling wraparound, run into the first microswitch when pull bar, and motor and tube shaped electric machine all quit work, and the rolling of lid screen puts in place;
Perhaps, described spool is shaken the hand drive by one and is rotated; The first edge strip and pull bar are provided with suitable keeper; The corner that is in the 3rd edge strip two ends respectively is fixedly installed a supporting seat, the 3rd edge strip below arranges the power transmission shaft of rotary type, described power transmission shaft is hollow tubular, the axle sleeve that respectively is rotatably assorted within its two ends, the first axle sleeve, the second axle sleeve are positioned the homonymy supporting seat by the first axle core, the second axle core respectively; Be in local overcoat one spring of the second axle core in the power transmission shaft, the two ends of spring are fixedly connected with respectively movable snap ring, retainer ring, and movable snap ring is coated at the second axle core, and with the second axle core between movable the cooperation, the inwall of movable snap ring and power transmission shaft fixes; Retainer ring and the second axle core are fixedly linked, and with the inwall of power transmission shaft between do not link to each other, between the two can be movable; Pull open described keeper, pull bar and the first edge strip are separated, at spring radially under the effect of restoring force, the lid stretched spool of screen also extends to the 3rd edge strip, until put in place; Shake the hand by shaking, drive the spool revolution, make the described spool of lid screen rolling wraparound, until the rolling of lid screen puts in place and locates by the keeper on pull bar and the first edge strip;
Perhaps, described spool is shaken the hand drive by one and is rotated; The 3rd edge strip is provided with the second microswitch; The 3rd edge strip below arranges the power transmission shaft of rotary type, and described power transmission shaft is hollow tubular, and a tube shaped electric machine is installed in it, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The tube shaped electric machine forward drives the power transmission shaft rotation, and power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, tube shaped electric machine quit work, and the lid screen stretches and puts in place; Shake the hand by shaking, drive the spool revolution, make the described spool of lid screen rolling wraparound, until the rolling of lid screen puts in place;
Perhaps, described spool is shaken the hand drive by first and is rotated; The 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is shaken the hand drive by second and rotated, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; Shaking the hand by second drives power transmission shaft and rotates, and power transmission shaft is by driving-belt pulling lid screen, and the lid stretched spool of screen also extends to the 3rd edge strip and to put in place; Shake the hand by shaking first, drive the spool revolution, make the described spool of lid screen rolling wraparound, until the rolling of lid screen puts in place;
Perhaps, described spool is by the first motor-driven; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The 3rd edge strip below arranges the power transmission shaft of rotary type, and power transmission shaft is rotated by the second driven by motor, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; The first motor, the second motor forward, the driving power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, two motors quit work, and the lid screen stretches and puts in place; The first motor, the second motor reversal drive the spool revolution, make the described spool of lid screen rolling wraparound, run into the first microswitch when pull bar, and two motors quit work, and the rolling of lid screen puts in place;
Perhaps, described spool is by a motor-driven; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The 3rd edge strip below arranges the power transmission shaft of rotary type, and described power transmission shaft is hollow tubular, and a tube shaped electric machine is installed in it, and the two ends of power transmission shaft link to each other with the end of pull bar homonymy or the slippery fellow of homonymy by a driving-belt respectively; Tube shaped electric machine and motor forward, the driving power transmission shaft is by driving-belt pulling lid screen, and lid shields stretched spool and extends to the 3rd edge strip, and when pull bar was run into the second microswitch, tube shaped electric machine and motor quit work, and the lid screen stretches and puts in place; Motor reversal drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and motor quits work, and the rolling of lid screen puts in place;
Perhaps, described spool is by a motor-driven; The first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; The corner that is in the 3rd edge strip two ends respectively is fixedly installed a supporting seat, the 3rd edge strip below arranges the power transmission shaft of rotary type, described power transmission shaft is hollow tubular, the axle sleeve that respectively is rotatably assorted within its two ends, the first axle sleeve, the second axle sleeve are positioned the homonymy supporting seat by the first axle core, the second axle core respectively; Be in local overcoat one spring of the second axle core in the power transmission shaft, the two ends of spring are fixedly connected with respectively movable snap ring, retainer ring, and movable snap ring is coated at the second axle core, and with the second axle core between movable the cooperation, the inwall of movable snap ring and power transmission shaft fixes; Retainer ring and the second axle core are fixedly linked, and with the inwall of power transmission shaft between do not link to each other, between the two can be movable; The motor forward, at spring radially under the effect of restoring force, the lid stretched spool of screen also extends to the 3rd edge strip, and when pull bar was run into the second microswitch, motor quit work, and the lid screen stretches and puts in place; Motor reversal drives the spool revolution, makes the described spool of lid screen rolling wraparound, runs into the first microswitch when pull bar, and motor quits work, and the rolling of lid screen puts in place;
Perhaps, the first edge strip is provided with the first microswitch, and the 3rd edge strip is provided with the second microswitch; Described power transmission shaft and spool pass through driving-belt and interlock, described power transmission shaft or spool are by a motor-driven, and driven by motor power transmission shaft and spool rotate synchronously, and then realize stretching and the wrapup procedure of lid screen, when pull bar was run into the first microswitch or the second microswitch, motor quit work.
CN 201220411942 2012-08-20 2012-08-20 Hidden mahjong-table table shield with two drive mechanisms Expired - Fee Related CN202820194U (en)

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Application Number Priority Date Filing Date Title
CN 201220411942 CN202820194U (en) 2012-08-20 2012-08-20 Hidden mahjong-table table shield with two drive mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220411942 CN202820194U (en) 2012-08-20 2012-08-20 Hidden mahjong-table table shield with two drive mechanisms

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102784477A (en) * 2012-08-20 2012-11-21 夏暮辉 Cover of mahjong table
CN107105897A (en) * 2015-08-24 2017-08-29 株式会社世客思 roller unit for drawer
CN109077461A (en) * 2018-09-30 2018-12-25 周美兰 A kind of architectural design expansion platform
CN109124050A (en) * 2018-09-30 2019-01-04 周美兰 A kind of multi-use architecture design platform

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102784477A (en) * 2012-08-20 2012-11-21 夏暮辉 Cover of mahjong table
CN107105897A (en) * 2015-08-24 2017-08-29 株式会社世客思 roller unit for drawer
CN107105897B (en) * 2015-08-24 2019-09-06 株式会社世客思 Roller unit for drawer
CN109077461A (en) * 2018-09-30 2018-12-25 周美兰 A kind of architectural design expansion platform
CN109124050A (en) * 2018-09-30 2019-01-04 周美兰 A kind of multi-use architecture design platform
CN109124050B (en) * 2018-09-30 2020-12-25 湖北天工建筑勘察设计有限公司 Multifunctional building design platform

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