CN108837513A - A kind of self-adjustable swing with defencive function - Google Patents
A kind of self-adjustable swing with defencive function Download PDFInfo
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- CN108837513A CN108837513A CN201810700581.8A CN201810700581A CN108837513A CN 108837513 A CN108837513 A CN 108837513A CN 201810700581 A CN201810700581 A CN 201810700581A CN 108837513 A CN108837513 A CN 108837513A
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- gear
- axis
- expansion link
- positioning
- hole
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
- A63G9/00—Swings
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Abstract
The invention belongs to swing fields; more particularly to a kind of self-adjustable swing with defencive function; it includes bracket, the first transmission mechanism, the second transmission mechanism, the first expansion link mechanism, the second expansion link mechanism, seat board mechanism etc.; wherein the weight of people acts on the first expansion link mechanism and the second expansion link mechanism, moves upwards the 4th gear；Meanwhile swing is swung forward, so that the second gear on the first transmission mechanism and the second transmission mechanism is engaged with corresponding arc-shaped rack and is rotated；Second gear passes sequentially through third gear, first bevel gear, second bevel gear, speed change bevel gear, the 4th gear, the 5th gear and the 6th gear and corresponding third rack gear is driven to move toward one another；Two the first expansion link mechanisms of third rack drives and the second expansion link mechanism move toward one another；Distance reduces between first expansion link mechanism and the second expansion link mechanism；Convenient for grasping of the people to swing of different age group, increase game security, reduces game risk.
Description
Technical field
The invention belongs to swing field more particularly to a kind of self-adjustable swings with defencive function.
Background technique
At present traditional swing be by long rope system on the top of the shelf, people is on pedal or sits or pedals；After a swing is carried out,
The size of swing is just fixed；Rope not flexible adjustment, to adapt to all ages and classes stage or the top people of different weight or more
Swing lacks necessary regulation measure, so that limiting some people participates in swing game；The adjustment of rope spacing is inconvenient, no
The grasping that can better adapt to the people of all ages and classes stage or different weight grade, lacks necessary safeguard measure, to weaken
The safety of swing game, increases the risk of swing game.
The present invention design a kind of self-adjustable swing with defencive function solve the problems, such as it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of self-adjustable autumn with defencive function
Thousand, it adopts the following technical solutions to realize.
A kind of self-adjustable swing with defencive function, it is characterised in that：It includes bracket, the first driver
Structure, the second transmission mechanism, the first expansion link mechanism, the second expansion link mechanism, seat board mechanism, horizontal axis, locating sleeve, feather key are logical
Slot, limit circular groove, positioning disk, clutch disk, the 7th axis hole, the first link block, the first notch, the second axle sleeve, feather key, the first tooth
Wheel, the 4th axis hole, third rack gear, connecting plate, arc-shaped rack, wherein pedestal lower end is fixedly mounted on the ground；Horizontal axis passes through two
End is fixedly mounted on bracket；Feather key through slot there are two circumferentially uniformly being opened on the inner headed face of locating sleeve；The inner circle of locating sleeve
The middle position in face is provided with limit circular groove, and limits circular groove and communicate with two feather key through slots；The end face center of positioning disk is provided with
8th axis hole；Positioning disk is mounted in the limit circular groove on locating sleeve by periphery；Positioning disk is installed by the 8th axis hole
On transverse axis；Symmetrically there are two feather keys for installation on the periphery of two the second axle sleeves；Two the second axle sleeves are symmetrically installed
On transverse axis, and two the second axle sleeves pass through the both ends that feather key is inserted into locating sleeve with the cooperation of feather key through slot respectively；Two companies
The end face center for connecing disk is provided with the 7th axis hole；Two clutch disks are symmetrically mounted at horizontal axis by respective 7th axis hole
On, and each clutch disk is fixedly connected with corresponding second axle sleeve；Two the first link blocks respectively symmetrically are mounted on two
On the periphery of clutch disk；The one end not connecting with clutch disk on each first link block is provided with the first notch；First
Expansion link mechanism and the second expansion link mechanism are symmetrically mounted on two the first link blocks；Seat board mechanism both ends are respectively with first
Expansion link mechanism and the connection of the second expansion link mechanism；The 4th axis hole is provided in two first gears；Two first gears pass through
Respective 4th axis hole is symmetrically mounted on horizontal axis, and two first gears are located at the outside of two clutch disks；Two
One gear is matched with the first expansion link mechanism and the second expansion link mechanism respectively；First transmission mechanism and the second transmission mechanism close
Be symmetrically mounted on horizontal axis in locating sleeve, and the first transmission mechanism and the second transmission mechanism respectively with the outer circle of locating sleeve
The both ends in face connect；First transmission mechanism and the second transmission mechanism are matched with corresponding first gear respectively；Two third teeth
One end of item is separately mounted on the end face of two clutch disks, and two third rack gears are symmetrical about positioning ring；Two
One end of a connecting plate is provided with third axis hole；Two connecting plates are symmetrically mounted on horizontal axis by respective third axis hole；
The one end for not opening third axis hole on each connecting plate is mounted on an arc-shaped rack, and two arc-shaped racks are about locating sleeve
It is symmetrical；The intrados of arc-shaped rack is the flank of tooth；Two arc-shaped racks respectively with the first transmission mechanism and the second transmission mechanism
It matches.
Above-mentioned first transmission mechanism is identical with the structure in the second transmission mechanism, and for the first transmission mechanism, it includes
First base, the second axis, the second link block, positioning plate, rectangular slide opening, second base, first shaft hole, third pedestal, the second axis
Hole, the first axle sleeve, first axle, the second axis, third axis, the 4th axis, the second rack gear, tetragonous guide post, the 4th pedestal, the second tooth
Wheel, third gear, the 5th axis hole, first bevel gear, the 6th axis hole, the 4th gear, the 5th gear, the 9th axis hole, the 6th gear,
Tenth axis hole, wherein first base lower end is fixedly mounted on periphery one end of locating sleeve；Second axis one end is fixedly mounted on
In first base；The end face center of 5th gear is provided with the 9th axis hole；6th gear face center is provided with the tenth axis hole；6th tooth
Wheel and the 5th gear are sequentially arranged on the second axis；The end face of 5th gear is fixedly connected with the end face of the 6th gear, and the 6th
Gear is meshed with corresponding third rack gear；Second link block one end is mounted in first base, second link block other end peace
Equipped with positioning plate；The upper end for the side that positioning plate is not connect with the second link block is provided with rectangular slide opening；It is provided on positioning plate rectangular
One end of slide opening and the upper side of second base connect；First shaft hole is provided in second base；First axle sleeve is fixedly mounted on
In second base, and the first axle sleeve is communicated with the first shaft hole in second base；The inner circle of the periphery of horizontal axis and the first axle sleeve
The inner headed face of face and first shaft hole matches；4th axis is fixedly mounted on the lower end of second base；It installs one end of third pedestal
In second base, and it is located at the top of the first axle sleeve；One end that third pedestal is not connect with second base is provided with the second axis hole；
The 5th axis hole is provided on the end face of third gear；The 6th axis hole is provided on the end face of first bevel gear；Third gear and the first cone
Gear passes through the 5th axis hole respectively and the 6th axis hole is mounted on first axle and puts on, and the end face of first bevel gear and third gear
End face is fixedly connected；Second gear is mounted on the 4th axis, and second gear is meshed with third gear；Second gear and arc
Rack gear matches；Third axis passes through the second axis hole and is mounted on third pedestal；Second bevel gear and speed change bevel gear are installed respectively
At the both ends of third axis, and second bevel gear is meshed with first bevel gear；One end of second rack gear is equipped with tetragonous guide post；
The upper end of tetragonous guide post passes through the rectangular slide opening on positioning plate；The upper end of tetragonous guide post is equipped with the 4th pedestal；4th bottom
One end that seat is not connect with tetragonous guide post is equipped with first axle；4th gear is installed, and the 4th gear is simultaneously in first axle
It is meshed with the 5th gear and speed change bevel gear；Second rack gear is meshed with first gear.
Above-mentioned first expansion link mechanism is identical with the structure in the second expansion link mechanism, for the first expansion link mechanism
It include the first rack gear, the 4th link block, flexible interior bar, flexible housing, the first pin, the second pin, the first sliding block, reset spring,
First positioning square hole, the second positioning square hole, position-limit mechanism, wherein being provided with one first positioning on the periphery of flexible interior bar lower end
Square hole and several the second positioning square holes；Several the second positioning square holes are located at the lower section of the first positioning square hole, and several the
Two positioning square holes are linearly distributed with the first positioning square hole；Flexible interior bar one end is inserted into flexible housing；Flexible interior bar insertion is stretched
One end of contracting housing is equipped with the first sliding block, and the first sliding block slides in flexible housing；Position-limit mechanism is mounted on flexible housing
Inner wall, and position-limit mechanism with first positioning square hole and several second position square holes match；The initial position of position-limit mechanism
In the first positioning square hole；Reset spring is located in flexible housing；Reset spring one end is connect with the inner wall of flexible housing, separately
One end is connect with the first sliding block；First rack gear is mounted on the periphery of flexible housing by the 4th link block；First rack gear with
First gear is meshed；Flexible interior bar upper end is mounted in the first notch of the first link block by the first pin；First positioning side
Apparent size of the apparent size in hole less than the second positioning square hole.
Above-mentioned position-limit mechanism includes wedge-shaped limited block, damper rod, limit spring, and wherein damper rod one end, which is fixedly mounted on, stretches
On the inner wall of contracting housing；One end that damper rod is not connect with flexible housing is equipped with wedge-shaped limited block；Limit spring is nested in resistance
The outside of Buddhist nun's bar, and limit spring one end is connect with flexible outer casing inner wall, the other end is connect with wedge-shaped limited block；Wedge-shaped limited block
Inclined-plane is provided on two end faces up and down of side；Wedge-shaped limited block is matched with the first positioning square hole and the second positioning square hole.
Above-mentioned seat board mechanism includes seat board, limit sliding chutes, the second sliding block, third link block, the second notch, wherein seat board two
Hold limit sliding chutes there are two symmetrically opening；Two the second sliding blocks are symmetrically installed in two limit sliding chutes；Two third connections
Block is inserted into two limit sliding chutes respectively, and two third link blocks are connected with corresponding second sliding block；Two third link blocks are not
The one end connecting with the second sliding block is provided with the second notch；One end of flexible housing in expansion link mechanism passes through the second pin installation
In the second notch of third link block.
As the further improvement of this technology, above-mentioned positioning disk is to be fixedly connected with the connection of horizontal axis.
As the further improvement of this technology, above-mentioned first gear is installed on transverse axis by bearing fit.
As the further improvement of this technology, above-mentioned second bevel gear is to be fixedly connected with the connection of third axis, speed cone
Gear is to be fixedly connected with the connection of third axis.
As the further improvement of this technology, above-mentioned first base is welded on the periphery of locating sleeve.
As the further improvement of this technology, the connection type of above-mentioned connecting plate and horizontal axis is welding.
As the further improvement of this technology, above-mentioned reset spring is extension spring.
As the further improvement of this technology, above-mentioned limit spring is adjustable spring, and limit spring is in compression always
State.
As the further improvement of this technology, the apparent size of above-mentioned first positioning square hole is the appearance of the second positioning square hole
0.5 times of size.
Positioning disk is mounted in the limit circular groove on locating sleeve in the present invention, and the connection of positioning disk and horizontal axis is fixed connects
The effect connect is：Locating sleeve can be rotated around the periphery of positioning disk, meanwhile, positioning disk limits locating sleeve and does axis along horizontal axis
To sliding.
Circumferential on the periphery of the second axle sleeve in the present invention uniformly to open there are two feather key, two the second axle sleeves pass through inner headed face
It is symmetrically mounted on horizontal axis, and two the second axle sleeves are inserted into the two of locating sleeve by the cooperation of feather key and feather key through slot respectively
End；The end face center of clutch disk is provided with the 7th axis hole；Two clutch disks are symmetrically mounted at by respective 7th axis hole
On horizontal axis, and each clutch disk is with the effect that corresponding second axle sleeve is fixedly connected：When the first expansion link mechanism and second
When expansion link mechanism drives two clutch disks to rotate around horizontal axis simultaneously, two clutch disks drive two the second axle sleeves around horizontal axis
Synchronous rotary, two the second axle sleeves drive locating sleeve around positioning disc spins by the effect of feather key；At the same time, two connections
Disk can drive two the second axle sleeve synchronizations to move along horizontal axis axial direction.
First gear is meshed with the first rack gear and the second rack gear simultaneously in the present invention, and the first rack gear passes through the 4th link block
It is mounted on the periphery of flexible housing, then when people is sitting on swing, the first expansion link mechanism and the second expansion link mechanism
Be elongated simultaneously, in the first expansion link mechanism and the second expansion link mechanism respective flexible housing drive corresponding first rack gear to
It is moved far from X direction；First rack gear passes sequentially through first gear, the second rack gear, tetragonous guide post and the 4th pedestal drive the
Four gears are along rectangular slide opening upward sliding, so that the 4th gear is meshed with the flank of tooth of speed change bevel gear more minor radius；Weight is got over
Weight, the flank of tooth radius of the speed change bevel gear engaged with the 4th gear is smaller, the first expansion link mechanism and the second expansion link mechanism phase
Distance to movement is smaller；Weight is lighter, and the flank of tooth radius of the speed change bevel gear engaged with the 4th gear is bigger, the first telescopic rod
Mechanism and the second expansion link mechanism move toward one another at a distance from it is bigger, between the first expansion link mechanism and the second expansion link mechanism away from
From smaller, people is easier to grasp the first expansion link mechanism and the second expansion link mechanism, to reach the mesh for improving swing safety
's；After people gets off from swing, the reset spring in expansion link mechanism makes the first expansion link mechanism and the second expansion link mechanism
Restore former length simultaneously, respective flexible housing drives corresponding first rack gear in the first expansion link mechanism and the second expansion link mechanism
It is moved to close to X direction；First rack gear passes sequentially through first gear, the second rack gear, tetragonous guide post and the 4th pedestal and drives
4th gear slides down to initial position along rectangular slide opening.
Arc-shaped rack is by the effect that connecting plate is fixedly mounted on transverse axis in the present invention：When people starts to play on a swing forward
When, the first transmission mechanism is swung with the second transmission mechanism with swing；First transmission mechanism and the second transmission mechanism and corresponding
Arc-shaped rack occur relative motion；When two second gears are engaged with corresponding arc-shaped rack, second gear is in arc-shaped gear
It is rotated under the action of item；Second gear drives third gear and first bevel gear synchronous rotary；First bevel gear drives the second cone
Gear and the rotation of speed cone gear synchronous；Speed cone gear drives the rotation of the 4th gear；4th gear drives the 5th gear and the
The rotation of six gears；The direction of rotation of two the 6th gears is opposite；Two the 6th gears drive corresponding third rack gear opposite respectively
Movement；Two third rack drives, two clutch disks move toward one another；Clutch disk moves so that the first expansion link mechanism and the
The distance between two expansion link mechanisms further；When people starts back to play on a swing from highest point, the first transmission mechanism and second is passed
Motivation structure is with swing backswing；Two second gears reversely rotate under the action of corresponding arc-shaped rack；Second gear according to
It is secondary that 6th tooth is driven by third gear, first bevel gear, second bevel gear, speed change bevel gear, the 4th gear and the 5th gear
Wheel reversely rotates；Two the 6th gears drive corresponding third rack gear back to move, meanwhile, third rack drives clutch disk is past
It backhauls dynamic；Clutch disk moves so that the distance between the first expansion link mechanism and the second expansion link mechanism are gradually increased until returning
To initial position.
The effect of apparent size of the apparent size less than the second positioning square hole of the first positioning square hole in the present invention be：When
Wedge-shaped limited block be located at first positioning square hole in when, first positioning square hole upper surface and lower end surface respectively with wedge-shaped limited block
Two inclined-planes match, so that wedge-shaped limited block is easier to get detached the first positioning square hole, reaching flexible housing can be moved down
Purpose；When wedge-shaped limited block is located in the second positioning square hole, the upper surface of the second positioning square hole and the one of wedge-shaped limited block
A inclined-plane cooperation, the bottom surface of lower end surface and wedge-shaped limited block limit moving down for flexible housing to reach.
The effect of limit spring in the present invention is：Wedge-shaped limited block is set to play the effect of limit always.
Position-limit mechanism initial position in the present invention is located in the first positioning square hole, at this moment, the upper end of the first positioning square hole
Face and lower end surface cooperate with two inclined-planes on the wedge-shaped limited block of position-limit mechanism respectively；When people is sitting on seat board, first stretches
Rod reducing machine structure is elongated simultaneously with the second expansion link mechanism；Position-limit mechanism in first expansion link mechanism and the second expansion link mechanism
It is shunk under the extruding of respective flexible interior bar and flexible housing, it is respective in the first expansion link mechanism and the second expansion link mechanism
Flexible housing drives corresponding position-limit mechanism to be detached from a movement of the first positioning square hole into several the second positioning square holes；By
Constriction device in position-limit mechanism is that damper rod adds limit spring, so position-limit mechanism is encountering first second positioning square hole
When, wedge-shaped limited block return under the damping action of damper rod is more slow, so that wedge-shaped limited block will not be at once with the
Two positioning square holes are fully mated；If the weight of people makes flexible housing that position-limit mechanism be driven to slide into first the second positioning side
Stop at hole, then gradually return, the lower end surface of the second positioning square hole limit damper rod through wedge shape under the action of limit spring
One inclined-plane of block is excessively on the bottom surface of wedge-shaped limited block and matched, at this point, the first expansion link mechanism and second flexible
The tensile elongation of linkage is fixed.When heavier people is sitting on seat board, flexible housing drives position-limit mechanism to slide into first
At second positioning square hole；Due to the effect of damper rod and limit spring, lower end surface and the wedge shape of first second positioning square hole are limited
The inclined-plane cooperation of position block；The lower end surface that the inclined-plane of position-limit mechanism positions square hole with first second progressively disengages；Position restrainer
Structure continues to move at next second positioning square hole；When position-limit mechanism encounters suitable second positioning square hole, damper rod exists
It is extended under the action of limit spring, the bottom surface of wedge-shaped limited block gradually cooperates with the second positioning square hole；At this point, the first telescopic rod machine
The tensile elongation of structure and the second expansion link mechanism is fixed；When wedge-shaped limited block is located in the first positioning square hole, the first positioning square hole
Upper surface and the inclined-plane of wedge-shaped limited block cooperate；When wedge-shaped limited block is located in the second positioning square hole, the second positioning square hole
Upper surface and the inclined-plane of wedge-shaped limited block cooperate；After people gets off from swing, the first expansion link mechanism and the second telescopic rod machine
Flexible housing in structure back shrinkage, position-limit mechanism under the action of respective reset spring return gradually to the first positioning square hole
In.
When people, which is sitting in, to be started to play on a swing on the seat board of swing, since human bady gravitational acts on, the first expansion link mechanism and the
Flexible housing in two expansion link mechanisms moves downward simultaneously, so that the first expansion link mechanism and the second expansion link mechanism are drawn
It is long；Two flexible housings drive corresponding first rack gear to move downward simultaneously；Two the first rack gears drive two the first teeth simultaneously
Wheel rotation；Two first gears drive two the second rack gears to move upwards simultaneously；Each second rack gear passes sequentially through tetragonous guiding
Column and the 4th pedestal drive the 4th gear to move upwards；The outer circle radius surface for the speed change bevel gear being meshed with the 4th gear subtracts
It is small；When people, which is sitting in, to swing forward on swing, two second gears are engaged with corresponding arc-shaped rack, each second gear with
Relative motion occurs for corresponding arc-shaped rack；Each arc-shaped rack drives the first bevel gear of corresponding second gear to rotate；The
One bevel gear drives second bevel gear and the rotation of speed change bevel gear；Speed cone gear drives the rotation of the 4th gear synchronous；4th tooth
Wheel drives the 5th gear and the rotation of the 6th gear synchronous；Two the 6th gears drive two third rack gears to move toward one another；Two
Three rack gears pull the first expansion link mechanism and the second expansion link mechanism close to each other respectively by corresponding clutch disk；First stretches
Rod reducing machine structure and the second expansion link mechanism drive two the second sliding blocks in seat board mechanism to move toward one another respectively；To reduce first
The distance between expansion link mechanism and the second expansion link mechanism；People convenient for playing on a swing preferably grasps swing；When with being sitting in
The increase of the weight of people on swing, the first expansion link mechanism and the second expansion link mechanism are drawn longer；The weight of people is heavier, the
The deformation of one expansion link mechanism and the second expansion link mechanism is bigger, and the upward displacement of the 4th gear is bigger, so that with the 4th gear
The flank of tooth radius of the speed change bevel gear of engagement is smaller, the first expansion link mechanism and the second expansion link mechanism move toward one another at a distance from get over
It is small；First rack movement is apart from farther；First rack gear passes sequentially through first gear, the second rack gear, tetragonous guide post and the 4th bottom
The distance that seat drives the 4th gear to move upwards is bigger；The outer circle radius surface for the speed change bevel gear being meshed with the 4th gear is got over
It is small；The linear velocity that second gear passes to the 4th gear through speed change bevel gear is smaller；What two third rack gears moved toward one another
Apart from smaller；The distance between the first expansion link mechanism and the second expansion link mechanism on swing are automatically adjusted by the weight of people；
Ensure that the people in all ages and classes stage is easier the grasping of swing when playing on a swing, to improve the safety of game.
When swing is reverberated from front highest point to lowest point, two second gears are under the action of corresponding arc-shaped rack
It reversely rotates；Second gear pass sequentially through third gear, first bevel gear, second bevel gear, speed change bevel gear, the 4th gear,
5th gear and the 6th gear drive corresponding third rack gear counter motion；Two the first expansion link mechanisms of third rack drives and
Second expansion link mechanism counter motion；Distance, which is pulled open, between first expansion link mechanism and the second expansion link mechanism returns to initial bit
It sets.
Relative to traditional swing, the distance between the first expansion link mechanism and the second expansion link mechanism can be in the present invention
It is automatically adjusted according to different weight；Keep the people of different age group more firm to the grasping of swing, safety is higher；Drop
Low game risk；The configuration of the present invention is simple has preferable using effect.
Detailed description of the invention
Fig. 1 is swing overall schematic.
Fig. 2 is swing partial schematic diagram.
Fig. 3 is swing diagrammatic cross-section.
Fig. 4 is the first transmission mechanism front schematic view.
Fig. 5 is the first transmission mechanism reverse side schematic diagram.
Fig. 6 is first base, the second link block, positioning plate, second base and third base engagement schematic diagram.
Fig. 7 is connecting plate and arc-shaped rack cooperation schematic diagram.
Fig. 8 is the second rack gear, tetragonous guide post and the 4th base engagement schematic diagram.
Fig. 9 is the first axle sleeve, first bevel gear and third gear cooperation schematic diagram.
Figure 10 is third gear schematic diagram.
Figure 11 is first bevel gear schematic diagram.
Figure 12 is the first axle sleeve schematic diagram.
Figure 13 is first gear, the first rack gear and the second rack gear cooperation schematic diagram.
Figure 14 is the first link block, clutch disk, the second axle sleeve and third rack gear cooperation schematic diagram.
Figure 15 is the first link block and clutch disk cooperation schematic diagram.
Figure 16 is the second axle sleeve schematic diagram.
Figure 17 is horizontal axis, positioning disk and locating sleeve cooperation perspective diagram.
Figure 18 is locating sleeve schematic diagram.
Figure 19 is locating sleeve diagrammatic cross-section.
Figure 20 is horizontal axis and positioning disk cooperation schematic diagram.
Figure 21 is positioning disk and locating sleeve cooperation diagrammatic cross-section.
Figure 22 is the first expansion link mechanism schematic diagram.
Figure 23 is the first expansion link mechanism partial cutaway schematic.
Figure 24 is the first positioning square hole and the second positioning square hole diagrammatic cross-section.
Figure 25 is the first positioning square hole and position-limit mechanism cooperation schematic diagram.
Figure 26 is position-limit mechanism schematic diagram.
Figure 27 is seat board structural scheme of mechanism.
Figure 28 is seat board mechanism diagrammatic cross-section.
Figure 29 is third link block and the second sliding block cooperation schematic diagram.
Figure 30 is the 5th gear schematic diagram.
Figure 31 is the 6th gear schematic diagram.
Figure label title：1, bracket；2, the first transmission mechanism；3, the first expansion link mechanism；4, seat board mechanism；5, horizontal
Axis；6, locating sleeve；7, clutch disk；8, positioning disk；9, the first link block；10, first gear；11, third gear；12,
One bevel gear；13, first base；14, the second link block；15, positioning plate；16, second base；17, third pedestal；18, second
Rack gear；19, tetragonous guide post；20, the 4th pedestal；21, first axle；22, the second axis；23, third axis；24, the 4th axis；25,
One axle sleeve；26, the 6th gear；27, the 5th gear；28, the 4th gear；29, speed change bevel gear；30, second bevel gear；31,
Three link blocks；32, the second notch；33, second gear；34, first shaft hole；35, rectangular slide opening；36, the second axis hole；37, it connects
Plate；38, arc-shaped rack；39, third axis hole；40, the second sliding block；41, the 4th axis hole；42, the 5th axis hole；43, the 6th axis hole；
44, the first rack gear；45, the 4th link block；46, flexible interior bar；47, stretch housing；48, the first pin；49, the second pin；50, first
Sliding block；51, reset spring；52, the first positioning square hole；53, the second positioning square hole；54, position-limit mechanism；55, wedge-shaped limited block；
56, seat board；57, limit spring；58, damper rod；59, the first notch；60, third rack gear；61, the second axle sleeve；62, feather key；63,
7th axis hole；64, feather key through slot；65, circular groove is limited；66, limit sliding chutes；67, the 8th axis hole；68, the second transmission mechanism；69,
Second expansion link mechanism；70, the 9th axis hole；71, the tenth axis hole.
Specific embodiment
As shown in Figure 1, it includes bracket 1, the first transmission mechanism 2, the second transmission mechanism 68, the first expansion link mechanism 3,
Two expansion link mechanisms 69, seat board mechanism 4, horizontal axis 5, locating sleeve 6, feather key through slot 64, limit circular groove 65, positioning disk 8, connection circle
Disk 7, the 7th axis hole 63, the first link block 9, the first notch 59, the second axle sleeve 61, feather key 62, first gear 10, the 4th axis hole
41, third rack gear 60, connecting plate 37, arc-shaped rack 38, wherein 1 lower end of bracket is fixedly mounted on the ground；Horizontal axis 5 passes through both ends
It is fixedly mounted on bracket 1；Feather key through slot there are two circumferentially uniformly being opened as shown in Figure 17,18, on the inner headed face of locating sleeve 6
64；The middle position of the inner headed face of locating sleeve 6 is provided with limit circular groove 65, and limits circular groove 65 and two 64 phases of feather key through slot
It is logical；As shown in figure 20, the end face center of positioning disk 8 is provided with the 8th axis hole 67；Positioning disk 8 is mounted on locating sleeve by periphery
In limit circular groove 65 on 6；As shown in Figure 16,19, positioning disk 8 is mounted on horizontal axis 5 by the 8th axis hole 67；Such as Figure 15 institute
Show, symmetrically there are two feather keys 62 for installation on the periphery of two the second axle sleeves 61；As shown in Fig. 2, two the second axle sleeves 61
It is symmetrically mounted on horizontal axis 5, and two the second axle sleeves 61 are inserted into positioning by the cooperation of feather key 62 and feather key through slot 64 respectively
The both ends of casing 6；As shown in figure 14, the end face center of two clutch disks 7 is provided with the 7th axis hole 63；As shown in Fig. 2,13,
Two clutch disks 7 are symmetrically mounted on horizontal axis 5 by respective 7th axis hole 63, and each clutch disk 7 with it is corresponding
Second axle sleeve 61 is fixedly connected；As shown in Fig. 1,14, two the first link blocks 9 respectively symmetrically are mounted on two clutch disks 7
Periphery on；As shown in figure 13, the one end not connecting with clutch disk 7 on each first link block 9 is provided with the first notch
59；As shown in Fig. 2, the first expansion link mechanism 3 and the second expansion link mechanism 69 are symmetrically mounted on two the first link blocks 9；
4 both ends of seat board mechanism are connect with the first expansion link mechanism 3 and the second expansion link mechanism 69 respectively；It is opened in two first gears 10
There is the 4th axis hole 41；Two first gears 10 are symmetrically mounted on horizontal axis 5 by respective 4th axis hole 41, and two first
Gear 10 is located at the outside of two clutch disks 7；As shown in Figure 1, two first gears 10 respectively with the first expansion link mechanism 3 and
Second expansion link mechanism 69 matches；As shown in Fig. 2, the first transmission mechanism 2 is right about locating sleeve 6 with the second transmission mechanism 68
Claim be mounted on horizontal axis 5, and the first transmission mechanism 2 and the second transmission mechanism 68 respectively with the periphery of locating sleeve 6 two
End connection；First transmission mechanism 2 and the second transmission mechanism 68 are matched with corresponding first gear 10 respectively；Such as Fig. 1,13 institutes
Show, one end of two third rack gears 60 is separately mounted on the end face of two clutch disks 7, and two third rack gears 60 are about fixed
Position lantern ring is symmetrical；As shown in fig. 6, one end of two connecting plates 37 is provided with third axis hole 39；As shown in Figure 1, two companies
Fishplate bar 37 is symmetrically mounted on horizontal axis 5 by respective third axis hole 39；As a shown in Figure 6, it is not opened on each connecting plate 37
One end of third axis hole 39 is mounted on an arc-shaped rack 38, and two arc-shaped racks 38 are symmetrical about locating sleeve 6；
The intrados of arc-shaped rack 38 is the flank of tooth；Two arc-shaped racks 38 respectively with 68 phase of the first transmission mechanism 2 and the second transmission mechanism
Cooperation.
As shown in Figure 3,4, above-mentioned first transmission mechanism 2 is identical with the structure in the second transmission mechanism 68, for
One transmission mechanism 2 it include first base 13, the second axis 22, the second link block 14, positioning plate 15, rectangular slide opening 35, the second bottom
Seat 16, first shaft hole 34, third pedestal 17, the second axis hole 36, the first axle sleeve 25, first axle 21, the second axis 22, third axis 23,
4th axis 24, the second rack gear 18, tetragonous guide post 19, the 4th pedestal 20, second gear 33, third gear 11, the 5th axis hole 42,
First bevel gear 12, the 6th axis hole 43, the 4th gear 28, the 5th gear 27, the 9th axis hole 70, the 6th gear 26, the tenth axis hole
71, wherein as shown in Fig. 2, 13 lower end of first base is fixedly mounted on periphery one end of locating sleeve 6；As shown in figure 5, second
22 one end of axis is fixedly mounted in first base 13；As shown in figure 29, the end face center of the 5th gear 27 is provided with the 9th axis hole 70；
As shown in figure 30,26 end face center of the 6th gear is provided with the tenth axis hole 71；As shown in figure 4, the 6th gear 26 and the 5th gear 27
It is sequentially arranged on the second axis 22；As shown in Figure 1,5, the end face of the 5th gear 27 is fixedly connected with the end face of the 6th gear 26,
And the 6th gear 26 be meshed with corresponding third rack gear 60；As shown in Fig. 5,11,14 one end of the second link block is mounted on first
On pedestal 13,14 other end of the second link block is equipped with positioning plate 15；The side that positioning plate 15 is not connect with the second link block 14
Upper end be provided with rectangular slide opening 35；The upper side of one end and second base 16 that rectangular slide opening 35 is provided on positioning plate 15 connects
It connects；First shaft hole 34 is provided in second base 16；First axle sleeve 25 is fixedly mounted in second base 16, and the first axle sleeve 25 with
First shaft hole 34 in second base 16 communicates；The inner headed face and first shaft hole 34 of the periphery of horizontal axis 5 and the first axle sleeve 25
Inner headed face matches；4th axis 24 is fixedly mounted on the lower end of second base 16；One end of third pedestal 17 is mounted on the second bottom
On seat 16, and it is located at the top of the first axle sleeve 25；One end that third pedestal 17 is not connect with second base 16 is provided with the second axis hole
36；As shown in figure 9, being provided with the 5th axis hole 42 on the end face of third gear 11；As shown in Figure 10, on the end face of first bevel gear 12
It is provided with the 6th axis hole 43；As shown in figure 8, third gear 11 and first bevel gear 12 pass through the 5th axis hole 42 and the 6th axis hole respectively
43 are mounted on the first axle sleeve 25, and the end face of first bevel gear 12 is fixedly connected with the end face of third gear 11；Such as Fig. 4 institute
Show, second gear 33 is mounted on the 4th axis 24, and second gear 33 is meshed with third gear 11；As shown in Figure 1, the second tooth
Wheel 33 is matched with arc-shaped rack 38；Third axis 23 passes through the second axis hole 36 and is mounted on third pedestal 17；Second bevel gear 30
The both ends of third axis 23 are separately mounted to speed change bevel gear 29, and second bevel gear 30 is meshed with first bevel gear 12；Such as
Shown in Fig. 5, one end of the second rack gear 18 is equipped with tetragonous guide post 19；The upper end of tetragonous guide post 19 passes through on positioning plate 15
Rectangular slide opening 35；As shown in fig. 7, the upper end of tetragonous guide post 19 is equipped with the 4th pedestal 20；4th pedestal 20 is not led with tetragonous
The one end connected to column 19 is equipped with first axle 21；As shown in figure 3, being equipped with the 4th gear 28 in first axle 21, and the 4th tooth
Wheel 28 is meshed with the 5th gear 27 and speed change bevel gear 29 simultaneously；As shown in figure 12, the second rack gear 18 and 10 phase of first gear
Engagement.
As shown in Figure 21,22, above-mentioned first expansion link mechanism 3 is identical with the structure in the second expansion link mechanism 69,
For the first expansion link mechanism 3, it includes the first rack gear 44, the 4th link block 45, flexible interior bar 46, the flexible pin of housing 47, first
48, the second pin 49, the first sliding block 50, reset spring 51, first position square hole 52, second and position square hole 53, position-limit mechanism 54,
In as shown in figure 23, be provided with one first positioning square hole 52 and several second positioning sides on the periphery of flexible 46 lower end of interior bar
Hole 53；Several the second positioning square holes 53 are located at the lower section of the first positioning square hole 52, and several second positioning square holes 53 and the
One positioning square hole 52 is linearly distributed；As shown in figure 22,46 one end of interior bar insertion of stretching is stretched in housing 47；Flexible interior bar 46 is inserted
The one end for entering flexible housing 47 is equipped with the first sliding block 50, and the first sliding block 50 slides in flexible housing 47；As shown in figure 23,
Position-limit mechanism 54 is mounted on the inner wall of flexible housing 47, and position-limit mechanism 54 and the first positioning square hole 52 and several second positioning
Square hole 53 matches；As shown in figure 24, the initial position of position-limit mechanism 54 is located in the first positioning square hole 52；As shown in figure 22,
Reset spring 51 is located in flexible housing 47；51 one end of reset spring is connect with the inner wall of flexible housing 47, the other end and first
Sliding block 50 connects；First rack gear 44 is mounted on the periphery of flexible housing 47 by the 4th link block 45；As shown in figure 12,
One rack gear 44 is meshed with first gear 10；As shown in Fig. 2, flexible 46 upper end of interior bar is mounted on the first connection by the first pin 48
In first notch 59 of block 9；As shown in figure 23, appearance of the apparent size of the first positioning square hole 52 less than the second positioning square hole 53
Size.
As shown in figure 25, above-mentioned position-limit mechanism 54 includes wedge-shaped limited block 55, damper rod 58, limit spring 57, wherein hindering
58 one end of Buddhist nun's bar is fixedly mounted on the inner wall of flexible housing 47；One end that damper rod 58 is not connect with flexible housing 47 is equipped with
Wedge-shaped limited block 55；As shown in Figure 23,25, limit spring 57 is nested in the outside of damper rod 58, and 57 one end of limit spring with
Flexible 47 inner wall of housing connection, the other end are connect with wedge-shaped limited block 55；On two end faces up and down of wedge-shaped 55 side of limited block
It is provided with inclined-plane；Wedge-shaped limited block 55 is matched with the first positioning square hole 52 and the second positioning square hole 53.
As shown in figure 26, above-mentioned seat board mechanism 4 includes seat board 56, limit sliding chutes 66, the second sliding block 40, third link block
31, the second notch 32, wherein as shown in figure 27,56 both ends of seat board symmetrically open that there are two limit sliding chutes 66；Two the second sliding blocks
40 are symmetrically installed in two limit sliding chutes 66；Two third link blocks 31 are inserted into two limit sliding chutes 66, and two respectively
Third link block 31 is connected with corresponding second sliding block 40；As shown in figure 28, two third link blocks 31 not with the second sliding block 40
One end of connection is provided with the second notch 32；As shown in Fig. 2, one end of the flexible housing 47 in expansion link mechanism passes through the second pin
49 are mounted in the second notch 32 of third link block 31.
As shown in figure 19, above-mentioned positioning disk 8 is to be fixedly connected with the connection of horizontal axis 5.
As shown in Fig. 2, above-mentioned first gear 10 is mounted on horizontal axis 5 by bearing fit.
As shown in figure 3, above-mentioned second bevel gear 30 and the connection of third axis 23 are to be fixedly connected, speed change bevel gear 29 and the
The connection of three axis 23 is to be fixedly connected.
As shown in Fig. 2, above-mentioned first base 13 is welded on the periphery of locating sleeve 6.
As shown in Figure 1, the connection type of above-mentioned connecting plate 37 and horizontal axis 5 is welding.
As shown in figure 22, above-mentioned reset spring 51 is extension spring.
As shown in figure 25, above-mentioned limit spring 57 is adjustable spring, and limit spring 57 is in compressive state always.
As shown in figure 23, the apparent size of above-mentioned first positioning square hole 52 is the apparent size of the second positioning square hole 53
0.5 times.
Positioning disk 8 is mounted in the limit circular groove 65 on locating sleeve 6 in the present invention, and positioning disk 8 and the connection of horizontal axis 5 are
The effect being fixedly connected is：Locating sleeve 6 can be rotated around the periphery of positioning disk 8, meanwhile, positioning disk 8 limits locating sleeve 6
It slides axially along horizontal axis 5.
Circumferential on the periphery of the second axle sleeve 61 in the present invention uniformly to open there are two feather key 62, two the second axle sleeves 61 pass through
Inner headed face is symmetrically mounted on horizontal axis 5, and two the second axle sleeves 61 are inserted respectively by feather key 62 and the cooperation of feather key through slot 64
Enter the both ends of locating sleeve 6；The end face center of clutch disk 7 is provided with the 7th axis hole 63；Two clutch disks 7 pass through respective the
Seven axis holes 63 are symmetrically mounted on horizontal axis 5, and the effect that each clutch disk 7 is fixedly connected with corresponding second axle sleeve 61
It is：When the first expansion link mechanism 3 and the second expansion link mechanism 69 drive two clutch disks 7 to rotate around horizontal axis 5 simultaneously, two
Clutch disk 7 drives two the second axle sleeves 61 around 5 synchronous rotary of horizontal axis, and two the second axle sleeves 61 are driven by the effect of feather key 62
Locating sleeve 6 is rotated around positioning disk 8；At the same time, two clutch disks 7 can drive two the second axle sleeves 61 synchronous along horizontal axis
5 axial directions are mobile.
First gear 10 is meshed with the first rack gear 44 and the second rack gear 18 simultaneously in the present invention, and the first rack gear 44 passes through the
Four link blocks 45 are mounted on the periphery of flexible housing 47, then when people is sitting on swing, the first expansion link mechanism 3 and
Two expansion link mechanisms 69 are elongated simultaneously, respective flexible housing 47 in the first expansion link mechanism 3 and the second expansion link mechanism 69
Corresponding first rack gear 44 is driven to move to far from 5 direction of horizontal axis；First rack gear 44 passes sequentially through first gear 10, the second rack gear
18, tetragonous guide post 19 and the 4th pedestal 20 drive the 4th gear 28 along rectangular 35 upward sliding of slide opening, so that the 4th gear 28
It is meshed with the flank of tooth of the more minor radius of speed change bevel gear 29；Weight is heavier, the speed change bevel gear 29 engaged with the 4th gear 28
Flank of tooth radius is smaller, the first expansion link mechanism 3 and the second expansion link mechanism 69 move toward one another at a distance from it is smaller；Weight is lighter, with
The flank of tooth radius of the speed change bevel gear 29 of 4th gear 28 engagement is bigger, the first expansion link mechanism 3 and the second expansion link mechanism 69
The distance moved toward one another is bigger, and the distance between the first expansion link mechanism 3 and the second expansion link mechanism 69 are smaller, and people is easier to grab
The first expansion link mechanism 3 and the second expansion link mechanism 69 are held, to achieve the purpose that improve swing safety；When people is under swing
After coming, the reset spring 51 in expansion link mechanism makes the first expansion link mechanism 3 and the second expansion link mechanism 69 while restoring former
It is long, in the first expansion link mechanism 3 and the second expansion link mechanism 69 respective flexible housing 47 drive corresponding first rack gear 44 to
It is moved close to 5 direction of horizontal axis；First rack gear 44 passes sequentially through first gear 10, the second rack gear 18, tetragonous guide post 19 and the 4th
Pedestal 20 drives the 4th gear 28 to slide down to initial position along rectangular slide opening 35.
Arc-shaped rack 38 is by the effect that connecting plate 37 is fixedly mounted on horizontal axis 5 in the present invention：When people starts forward
When playing on a swing, the first transmission mechanism 2 is swung with the second transmission mechanism 68 with swing；First transmission mechanism 2 and the second transmission
With corresponding arc-shaped rack 38 relative motion occurs for mechanism 68；When two second gears 33 are engaged with corresponding arc-shaped rack 38
When, second gear 33 rotates under the action of arc-shaped rack 38；Second gear 33 drives third gear 11 and first bevel gear 12
Synchronous rotary；First bevel gear 12 drives second bevel gear 30 and 29 synchronous rotary of speed change bevel gear；Speed change bevel gear 29 drives
The rotation of 4th gear 28；4th gear 28 drives the 5th gear 27 and the rotation of the 6th gear 26；The rotation of two the 6th gears 26
It is contrary；Two the 6th gears 26 drive corresponding third rack gear 60 to move toward one another respectively；Two third rack gears 60 drive two
A clutch disk 7 moves toward one another；Clutch disk 7 moves so that between the first expansion link mechanism 3 and the second expansion link mechanism 69
Distance furthers；When people starts back to play on a swing from highest point, the first transmission mechanism 2 is with the second transmission mechanism 68 with swing
Backswing；Two second gears 33 reversely rotate under the action of corresponding arc-shaped rack 38；Second gear 33 passes sequentially through third
Gear 11, first bevel gear 12, second bevel gear 30, speed change bevel gear 29, the 4th gear 28 and the 5th gear 27 drive the 6th
Gear 26 reversely rotates；Two the 6th gears 26 drive corresponding third rack gear 60 back to move, meanwhile, third rack gear 60 drives
Clutch disk 7 back moves；Clutch disk 7 move so that between the first expansion link mechanism 3 and the second expansion link mechanism 69 away from
From being gradually increased until return to initial position.
Effect of the apparent size of the first positioning square hole 52 in the present invention less than the apparent size of the second positioning square hole 53
It is：When wedge-shaped limited block 55 be located at first positioning square hole 52 in when, first positioning square hole 52 upper surface and lower end surface respectively with
Two inclined-planes of wedge-shaped limited block 55 match, so that wedge-shaped limited block 55 is easier to get detached the first positioning square hole 52, reaches and stretch
The purpose that contracting housing 47 can move down；When wedge-shaped limited block 55 is located in the second positioning square hole 53, the second positioning square hole
53 upper surface and an inclined-plane of wedge-shaped limited block 55 cooperate, the bottom surface of lower end surface and wedge-shaped limited block 55, to reach
To moving down for the flexible housing 47 of limitation.
The effect of limit spring 57 in the present invention is：Wedge-shaped limited block 55 is set to play the effect of limit always.
54 initial position of position-limit mechanism in the present invention is located in the first positioning square hole 52, at this moment, the first positioning square hole 52
Upper surface and lower end surface respectively on the wedge-shaped limited block 55 of position-limit mechanism 54 two inclined-planes cooperate；When people is sitting in seat board 56
When upper, the first expansion link mechanism 3 is elongated simultaneously with the second expansion link mechanism 69；First expansion link mechanism 3 and the second telescopic rod
Position-limit mechanism 54 in mechanism 69 is shunk under the extruding of respective flexible interior bar 46 and flexible housing 47, the first expansion link mechanism
3 and second respective flexible housing 47 in expansion link mechanism 69 drive corresponding position-limit mechanism 54 be detached from the first positioning square hole 52 to
A movement in several the second positioning square holes 53；Since the constriction device in position-limit mechanism 54 is damper rod 58 plus limit bullet
Spring 57, so position-limit mechanism 54 is when encountering first second positioning square hole 53, damping of the wedge-shaped limited block 55 in damper rod 58
It is more slow to act on lower return, so that wedge-shaped limited block 55 will not be fully mated with the second positioning square hole 53 at once；If
The weight of people makes flexible housing 47 that position-limit mechanism 54 be driven to slide into stopping at first second positioning square hole 53, then damping
Gradually return, the lower end surface of the second positioning square hole 53 are oblique through one of wedge-shaped limited block 55 under the action of limit spring 57 for bar 58
Face is excessively on the bottom surface of wedge-shaped limited block 55 and matched, at this point, the first expansion link mechanism 3 and the second expansion link mechanism 69
Tensile elongation fix.When the people of more weight is sitting on seat board 56, flexible housing 47 drives position-limit mechanism 54 to slide into first
At second positioning square hole 53；Due to the effect of damper rod 58 and limit spring 57, the lower end surface of first second positioning square hole 53
Cooperate with an inclined-plane of wedge-shaped limited block 55；The inclined-plane of position-limit mechanism 54 and first second positioning square hole 53 lower end surface by
Gradually it is detached from；Position-limit mechanism 54 continues to move at next second positioning square hole 53；When position-limit mechanism 54 encounters suitable second
When positioning square hole 53, damper rod 58 extends under the action of limit spring 57, the bottom surface and the second positioning side of wedge-shaped limited block 55
Hole 53 gradually cooperates；At this point, the tensile elongation of the first expansion link mechanism 3 and the second expansion link mechanism 69 is fixed；Wedge-shaped limited block
55 when being located in the first positioning square hole 52, and the upper surface of the first positioning square hole 52 and the inclined-plane of wedge-shaped limited block 55 cooperate；Wedge shape
When limited block 55 is located in the second positioning square hole 53, the upper surface of the second positioning square hole 53 and the inclined-plane of wedge-shaped limited block 55 are matched
It closes；After people gets off from swing, the flexible housing 47 in the first expansion link mechanism 3 and the second expansion link mechanism 69 is respective
Back shrinkage under the action of reset spring 51, position-limit mechanism 54 return gradually in the first positioning square hole 52.
Specific embodiment：When starting to play on a swing on the seat board 56 that people is sitting in swing, since human bady gravitational acts on, first
Flexible housing 47 in expansion link mechanism 3 and the second expansion link mechanism 69 moves downward simultaneously, so that 3 He of the first expansion link mechanism
Second expansion link mechanism 69 is elongated；Two flexible housings 47 drive corresponding first rack gear 44 to move downward simultaneously；Two
One rack gear 44 drives two first gears 10 to rotate simultaneously；Two first gears 10 drive two the second rack gears 18 fortune upwards simultaneously
It is dynamic；Each second rack gear 18 passes sequentially through tetragonous guide post 19 and the 4th pedestal 20 drives the 4th gear 28 to move upwards；With
The outer circle radius surface for the speed change bevel gear 29 that four gears 28 are meshed reduces；When people, which is sitting in, to swing forward on swing, two
Second gear 33 is engaged with corresponding arc-shaped rack 38, and with corresponding arc-shaped rack 38 opposite transport occurs for each second gear 33
It is dynamic；Each arc-shaped rack 38 drives the first bevel gear 12 of corresponding second gear 33 to rotate；First bevel gear 12 drives second
Bevel gear 30 and speed change bevel gear 29 rotate；Speed change bevel gear 29 drives 28 synchronous rotary of the 4th gear；4th gear 28 drives
5th gear 27 and 26 synchronous rotary of the 6th gear；Two the 6th gears 26 drive two third rack gears 60 to move toward one another；Two
Third rack gear 60 pulls the first expansion link mechanism 3 and the second expansion link mechanism 69 to lean on each other respectively by corresponding clutch disk 7
Closely；First expansion link mechanism 3 and the second expansion link mechanism 69 drive the fortune in opposite directions of two the second sliding blocks 40 in seat board mechanism 4 respectively
It is dynamic；To reduce the distance between the first expansion link mechanism 3 and the second expansion link mechanism 69；People convenient for playing on a swing preferably grabs
Hold swing；When what is drawn with the increase for being sitting in the weight of people on swing, the first expansion link mechanism 3 and the second expansion link mechanism 69
It is longer；The weight of people is heavier, and the deformation of the first expansion link mechanism 3 and the second expansion link mechanism 69 is bigger, and the 4th gear 28 is upwards
Displacement it is bigger so that the flank of tooth radius of the speed change bevel gear 29 engaged with the 4th gear 28 is smaller, the first expansion link mechanism 3 with
The distance that second expansion link mechanism 69 moves toward one another is smaller；First rack gear, 44 move distance is farther；First rack gear 44 passes sequentially through
The distance that first gear 10, the second rack gear 18, tetragonous guide post 19 and the 4th pedestal 20 drive the 4th gear 28 to move upwards is got over
Greatly；The outer circle radius surface for the speed change bevel gear 29 being meshed with the 4th gear 28 is smaller；Second gear 33 is through speed change bevel gear 29
The linear velocity for passing to the 4th gear 28 is smaller；The distance that two third rack gears 60 move toward one another is smaller；Pass through the body of people
The distance between the first expansion link mechanism 3 and the second expansion link mechanism 69 on swing are automatically adjusted again；Ensure all ages and classes stage
People the grasping of swing is easier at the danger position of highest point when playing on a swing, to improve the safety of game.
When swing is reverberated from front highest point to lowest point, work of two second gears 33 in corresponding arc-shaped rack 38
With lower reverse rotation；Second gear 33 passes sequentially through third gear 11, first bevel gear 12, second bevel gear 30, speed cone tooth
The 29, the 4th gear 28 of wheel, the 5th gear 27 and the 6th gear 26 drive corresponding 60 counter motion of third rack gear；Two third teeth
Item 60 drives the first expansion link mechanism 3 and 69 counter motion of the second expansion link mechanism；First expansion link mechanism 3 and the second telescopic rod
Distance, which widens, between mechanism 69 returns to initial position.
In conclusion beneficial effects of the present invention：The distance between first expansion link mechanism 3 and the second expansion link mechanism 69
It can be automatically adjusted according to different weight；Keep the people of different age group more firm to the grasping of swing, safety is more
It is high；Reduce game risk.
Claims (9)
1. a kind of self-adjustable swing with defencive function, it is characterised in that：It include bracket, the first transmission mechanism,
Second transmission mechanism, the first expansion link mechanism, the second expansion link mechanism, seat board mechanism, horizontal axis, locating sleeve, feather key through slot, limit
Circle of position slot, positioning disk, clutch disk, the 7th axis hole, the first link block, the first notch, the second axle sleeve, feather key, first gear,
Four axis holes, third rack gear, connecting plate, arc-shaped rack, wherein pedestal lower end is fixedly mounted on the ground；Horizontal axis is fixed by both ends
It is rack-mount；Feather key through slot there are two circumferentially uniformly being opened on the inner headed face of locating sleeve；In the inner headed face of locating sleeve
Between limit circular groove is provided at position, and limit circular groove and communicated with two feather key through slots；The end face center of positioning disk is provided with the 8th axis
Hole；Positioning disk is mounted in the limit circular groove on locating sleeve by periphery；Positioning disk is mounted on horizontal axis by the 8th axis hole
On；Symmetrically there are two feather keys for installation on the periphery of two the second axle sleeves；Two the second axle sleeves are symmetrically mounted at horizontal axis
On, and two the second axle sleeves are inserted into the both ends of locating sleeve by the cooperation of feather key and feather key through slot respectively；Two clutch disks
End face center be provided with the 7th axis hole；Two clutch disks are symmetrically mounted on horizontal axis by respective 7th axis hole, and
Each clutch disk is fixedly connected with corresponding second axle sleeve；Two the first link blocks respectively symmetrically are mounted on two connection circles
On the periphery of disk；The one end not connecting with clutch disk on each first link block is provided with the first notch；First telescopic rod
Mechanism and the second expansion link mechanism are symmetrically mounted on two the first link blocks；Seat board mechanism both ends respectively with the first telescopic rod
Mechanism is connected with the second expansion link mechanism；The 4th axis hole is provided in two first gears；Two first gears pass through respective
4th axis hole is symmetrically mounted on horizontal axis, and two first gears are located at the outside of two clutch disks；Two first gears
It is matched respectively with the first expansion link mechanism and the second expansion link mechanism；First transmission mechanism and the second transmission mechanism are about positioning
Casing is symmetrically mounted on horizontal axis, and the first transmission mechanism and the second transmission mechanism respectively with the periphery of locating sleeve two
End connection；First transmission mechanism and the second transmission mechanism are matched with corresponding first gear respectively；The one of two third rack gears
End is separately mounted on the end face of two clutch disks, and two third rack gears are symmetrical about positioning ring；Two connections
One end of plate is provided with third axis hole；Two connecting plates are symmetrically mounted on horizontal axis by respective third axis hole；Each company
The one end for not opening third axis hole on fishplate bar is mounted on an arc-shaped rack, and two arc-shaped racks symmetrically divide about locating sleeve
Cloth；The intrados of arc-shaped rack is the flank of tooth；Two arc-shaped racks are matched with the first transmission mechanism and the second transmission mechanism respectively；
Above-mentioned first transmission mechanism is identical with the structure in the second transmission mechanism, and for the first transmission mechanism, it includes first
Pedestal, the second axis, the second link block, positioning plate, rectangular slide opening, second base, first shaft hole, third pedestal, the second axis hole,
One axle sleeve, first axle, the second axis, third axis, the 4th axis, the second rack gear, tetragonous guide post, the 4th pedestal, second gear, third
Gear, the 5th axis hole, first bevel gear, the 6th axis hole, the 4th gear, the 5th gear, the 9th axis hole, the 6th gear, the tenth axis
Hole, wherein first base lower end is fixedly mounted on periphery one end of locating sleeve；Second axis one end is fixedly mounted on the first bottom
On seat；The end face center of 5th gear is provided with the 9th axis hole；6th gear face center is provided with the tenth axis hole；6th gear and
Five gears are sequentially arranged on the second axis；The end face of 5th gear is fixedly connected with the end face of the 6th gear, and the 6th gear with
Corresponding third rack gear is meshed；Second link block one end is mounted in first base, and the second link block other end is equipped with fixed
Position plate；The upper end for the side that positioning plate is not connect with the second link block is provided with rectangular slide opening；Rectangular slide opening is provided on positioning plate
The connection of the upper side of one end and second base；First shaft hole is provided in second base；First axle sleeve is fixedly mounted on the second bottom
On seat, and the first axle sleeve is communicated with the first shaft hole in second base；The inner headed face and of the periphery of horizontal axis and the first axle sleeve
The inner headed face of one axis hole matches；4th axis is fixedly mounted on the lower end of second base；One end of third pedestal is mounted on second
On pedestal, and it is located at the top of the first axle sleeve；One end that third pedestal is not connect with second base is provided with the second axis hole；Third tooth
The 5th axis hole is provided on the end face of wheel；The 6th axis hole is provided on the end face of first bevel gear；Third gear and first bevel gear point
It is not mounted on first axle by the 5th axis hole and the 6th axis hole and puts on, and the end face of first bevel gear and the end face of third gear are solid
Fixed connection；Second gear is mounted on the 4th axis, and second gear is meshed with third gear；Second gear and arc-shaped rack phase
Cooperation；Third axis passes through the second axis hole and is mounted on third pedestal；Second bevel gear and speed change bevel gear are separately mounted to third
The both ends of axis, and second bevel gear is meshed with first bevel gear；One end of second rack gear is equipped with tetragonous guide post；It is tetragonous to lead
The rectangular slide opening on positioning plate is passed through to the upper end of column；The upper end of tetragonous guide post is equipped with the 4th pedestal；4th pedestal not with
One end of tetragonous guide post connection is equipped with first axle；4th gear is installed, and the 4th gear is simultaneously with the 5th in first axle
Gear and speed change bevel gear are meshed；Second rack gear is meshed with first gear；
Above-mentioned first expansion link mechanism is identical with the structure in the second expansion link mechanism, and for the first expansion link mechanism, it is wrapped
Include the first rack gear, the 4th link block, flexible interior bar, flexible housing, the first pin, the second pin, the first sliding block, reset spring, first
Square hole, the second positioning square hole, position-limit mechanism are positioned, wherein being provided with one first positioning square hole on the periphery of flexible interior bar lower end
With several the second positioning square holes；Several the second positioning square holes are located at the lower section of the first positioning square hole, and several are second fixed
Position square hole is linearly distributed with the first positioning square hole；Flexible interior bar one end is inserted into flexible housing；Flexible interior bar insertion is flexible outer
One end of set is equipped with the first sliding block, and the first sliding block slides in flexible housing；Position-limit mechanism is mounted on the interior of flexible housing
Wall, and position-limit mechanism is matched with the first positioning square hole and several the second positioning square holes；The initial position of position-limit mechanism is located at
In first positioning square hole；Reset spring is located in flexible housing；Reset spring one end is connect with the inner wall of flexible housing, the other end
It is connect with the first sliding block；First rack gear is mounted on the periphery of flexible housing by the 4th link block；First rack gear and first
Gear is meshed；Flexible interior bar upper end is mounted in the first notch of the first link block by the first pin；First positioning square hole
Apparent size of the apparent size less than the second positioning square hole；
Above-mentioned position-limit mechanism includes wedge-shaped limited block, damper rod, limit spring, and wherein damper rod one end is fixedly mounted on flexible outer
On the inner wall of set；One end that damper rod is not connect with flexible housing is equipped with wedge-shaped limited block；Limit spring is nested in damper rod
Outside, and limit spring one end is connect with flexible outer casing inner wall, and the other end is connect with wedge-shaped limited block；Wedge-shaped limited block side
Two end faces up and down on be provided with inclined-plane；Wedge-shaped limited block is matched with the first positioning square hole and the second positioning square hole；
Above-mentioned seat board mechanism includes seat board, limit sliding chutes, the second sliding block, third link block, the second notch, wherein seat board both ends pair
Limit sliding chutes there are two opening with claiming；Two the second sliding blocks are symmetrically installed in two limit sliding chutes；Two third link blocks point
Not Cha Ru two limit sliding chutes, and two third link blocks are connected with corresponding second sliding block；Two third link blocks are not with
One end of two sliding blocks connection is provided with the second notch；One end of flexible housing in expansion link mechanism is mounted on the by the second pin
In second notch of three link blocks.
2. a kind of self-adjustable swing with defencive function according to claim 1, it is characterised in that：It is above-mentioned fixed
Position disk is to be fixedly connected with the connection of horizontal axis.
3. a kind of self-adjustable swing with defencive function according to claim 1, it is characterised in that：Above-mentioned
One gear is installed on transverse axis by bearing fit.
4. a kind of self-adjustable swing with defencive function according to claim 1, it is characterised in that：Above-mentioned
Two bevel gears are to be fixedly connected with the connection of third axis, and speed change bevel gear is to be fixedly connected with the connection of third axis.
5. a kind of self-adjustable swing with defencive function according to claim 1, it is characterised in that：Above-mentioned
One tube chamber welds with base is on the periphery of locating sleeve.
6. a kind of self-adjustable swing with defencive function according to claim 1, it is characterised in that：Above-mentioned company
The connection type of fishplate bar and horizontal axis is welding.
7. a kind of self-adjustable swing with defencive function according to claim 1, it is characterised in that：It is above-mentioned multiple
Position spring is extension spring.
8. a kind of self-adjustable swing with defencive function according to claim 1, it is characterised in that：Above-mentioned limit
Position spring is adjustable spring, and limit spring is in compressive state always.
9. a kind of self-adjustable swing with defencive function according to claim 1, it is characterised in that：Above-mentioned
The apparent size of one positioning square hole is 0.5 times of the apparent size of the second positioning square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700581.8A CN108837513A (en) | 2018-06-29 | 2018-06-29 | A kind of self-adjustable swing with defencive function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700581.8A CN108837513A (en) | 2018-06-29 | 2018-06-29 | A kind of self-adjustable swing with defencive function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108837513A true CN108837513A (en) | 2018-11-20 |
Family
ID=64201597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810700581.8A Pending CN108837513A (en) | 2018-06-29 | 2018-06-29 | A kind of self-adjustable swing with defencive function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108837513A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921120A (en) * | 2020-08-19 | 2020-11-13 | 杭州富纯实业有限公司 | Equipment for hanging platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351524A (en) * | 1980-07-10 | 1982-09-28 | Daniel Gomes | Swing |
| US5529539A (en) * | 1993-09-02 | 1996-06-25 | Hoffman; Roger A. | Loop-O-Swing |
| CN202860087U (en) * | 2012-09-26 | 2013-04-10 | 陕西科技大学 | Self-driving swing |
| CN105251206A (en) * | 2015-10-10 | 2016-01-20 | 袁廷友 | Multifunctional automatic swing exerciser |
| CN206745955U (en) * | 2017-03-13 | 2017-12-15 | 天津富士达科技有限公司 | A kind of swing that can adjust height |
| CN207085303U (en) * | 2017-06-16 | 2018-03-13 | 广东迪乐尼实业有限公司 | A kind of automatic child swing |
-
2018
- 2018-06-29 CN CN201810700581.8A patent/CN108837513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351524A (en) * | 1980-07-10 | 1982-09-28 | Daniel Gomes | Swing |
| US5529539A (en) * | 1993-09-02 | 1996-06-25 | Hoffman; Roger A. | Loop-O-Swing |
| CN202860087U (en) * | 2012-09-26 | 2013-04-10 | 陕西科技大学 | Self-driving swing |
| CN105251206A (en) * | 2015-10-10 | 2016-01-20 | 袁廷友 | Multifunctional automatic swing exerciser |
| CN206745955U (en) * | 2017-03-13 | 2017-12-15 | 天津富士达科技有限公司 | A kind of swing that can adjust height |
| CN207085303U (en) * | 2017-06-16 | 2018-03-13 | 广东迪乐尼实业有限公司 | A kind of automatic child swing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921120A (en) * | 2020-08-19 | 2020-11-13 | 杭州富纯实业有限公司 | Equipment for hanging platform |
| CN111921120B (en) * | 2020-08-19 | 2021-06-04 | 杭州富纯实业有限公司 | Equipment for hanging platform |
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Application publication date: 20181120 |