CN102229351B - Seat mechanism and children tricycle provided with same - Google Patents

Seat mechanism and children tricycle provided with same Download PDF

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Publication number
CN102229351B
CN102229351B CN201110168703.1A CN201110168703A CN102229351B CN 102229351 B CN102229351 B CN 102229351B CN 201110168703 A CN201110168703 A CN 201110168703A CN 102229351 B CN102229351 B CN 102229351B
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Prior art keywords
seat
groove
rotating shaft
joystick
locations
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CN102229351A (en
Inventor
高翔
陶雪荣
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Abstract

The invention relates to a seat mechanism and a children tricycle provided with the same. The seat mechanism comprises a base frame and a seat which is arranged on the base frame and positioned above the base frame; the seat is rotatably connected with the base frame by a first rotating shaft; a seat locking mechanism with a locking position and an unlocking position is arranged between the seat and the base frame; the seat is provided with a forward position and a backward position; the seat mechanism also comprises an operating lever which can be used for controlling the locking mechanism to be switched between the locking position and the unlocking position after being rotated; the lower part of the operating lever is rotatably connected with the seat by a second rotating shaft; the second rotating shaft and the first rotating shaft are vertical in a phase space; and an operating lever locking mechanism, which can enable the seat locking mechanism to stably be at the locking position, is arranged between the operating lever and the seat. After the operation lever locking mechanism is unlocked, the operating lever is rotated so as to enable the seat locking mechanism to be switched to the unlocking position from the locking position and further enable the seat to rotate relative to the base frame.

Description

Seat mechanism and the child's tricycle with this seat mechanism
Technical field
The child's tricycle that the present invention relates to a kind of seat mechanism and have this seat mechanism.
Background technology
Seat mechanism of the prior art, comprise pedestal, be arranged on the seat on the described pedestal, described seat is positioned at the top of described pedestal, described seat is connected by the first rotating shaft rotatedly with described pedestal, the axial line of described the first rotating shaft extends along above-below direction, described seat has forward facing position and backwards backward position forward, is provided with the seat lockout mechanism with latched position and unlocked position between described seat and the described pedestal.The seat lockout mechanism normally arranges the locked hand with dead bolt in the bottom at seat along the direction perpendicular to the first rotating shaft slidably, offer two relative locked grooves at pedestal, dead bolt is inserted in the corresponding locked groove during locking, is provided with between the bottom at locked hand and seat so that dead bolt stably is inserted in the locking elastic spare in the locked groove.The pulling locked hand is so that seat lockout mechanism release, thus with the seat at forward facing position and change between the position backward.
Summary of the invention
The technical matters that the present invention will solve provides a kind of seat mechanism.
In order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of seat mechanism, comprise pedestal, be arranged on the seat on described pedestal, described seat is positioned at the top of described pedestal, described seat is connected by the first rotating shaft rotatedly with described pedestal, the axial line of described the first rotating shaft extends along above-below direction, between described seat and described pedestal, be provided with the seat locking mechanism with latched position and unlocked position, described seat has forward facing position and backwards position backward forward
Described seat mechanism can be controlled the joystick that described seat lockout mechanism is changed after also comprising rotation between latched position and unlocked position, the bottom of described joystick is connected with described seat rotatedly by the second rotating shaft, described the second rotating shaft is vertical with described the first rotating shaft phase space
Be provided with between described joystick and the described seat so that locking mechanism stable ground, described seat is in the lever locked mechanism under the latched position,
Described seat locking mechanism comprise along the direction of axis line of described the first rotating shaft be slidably arranged in bottom, described seat locking piece, be opened in the first locked groove and the second locked groove on described pedestal, on described locking piece, has the first dead bolt that stretches out downwards, locking mechanism is positioned under latched position when described seat, described the first dead bolt is inserted in described the first locked groove or the second locked groove, locking mechanism is positioned under unlocked position when described seat, described the first dead bolt and described the first locked groove or described the second locked groove are separated
Described lever locked mechanism comprises that the direction along spatial vertical in described the second rotating shaft bearing of trend is slidingly arranged in the first locations on the described joystick, is opened in the first positioning groove and the second positioning groove on the described seat, described the first positioning groove and described the second positioning groove lay respectively at the both sides of described the first rotating shaft, when described seat is under the front position, described the first locations is inserted in described the first positioning groove, under described seat was in backwards the position, described the first locations was inserted in described the second positioning groove.
In some further embodiment, the bottom of described joystick is provided with the control mechanism that slides be used to controlling the relative described seat of described locking piece with described locking piece.
At some more further in the embodiment, described control mechanism comprises the groove on the top that is opened in described locking piece, be fixed on the guide finger of the bottom of described joystick, described guide finger is positioned at the below of described the second rotating shaft, lockout mechanism is in the unlocked position down when described seat, described guide finger is positioned at the innermost of described groove, lockout mechanism is under the latched position when described seat, described guide finger breaks away from the innermost of described groove, is provided with between described seat and the described locking piece so that locking mechanism stable ground, described seat is in the first elastic component under the unlocked position.
Continue in the further embodiment at some, the top of described locking piece also offers the first depression and the second depression, described the first depression is positioned at the top of described groove one side, described the second depression is positioned at the top of described groove opposite side, when described seat is under the front position, described guide finger is inserted in described the first depression, and under described seat was in backwards the position, described guide finger was inserted in described the second depression.
In the further embodiment of some another continuation, described groove is V-shaped.
In some further embodiment, be provided be used to the stop gear that limits described the first locations sliding scale between described the first locations and the described joystick.
In some another further embodiment, the top of described joystick is provided with the trailing cable operating-controlling mechanism that moves be used to controlling described the first locations, be connected with trailing cable between described trailing cable operating-controlling mechanism and described the first locations, be provided with between described the first locations and the described joystick so that described the first locations stably is inserted in the second elastic component in described the first positioning groove or described the second positioning groove.
Another technical matters that the present invention will solve provides a kind of child's tricycle.
In order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of child's tricycle that includes the described seat mechanism of above any one technical scheme, this child's tricycle also comprises front fork, is arranged at the front-wheel of described front fork bottom, is used for controlling the handlebar of described front-wheel steering, anterior back pole-bracket, two groups of trailing wheels that are arranged at respectively both sides, described back pole-bracket rear portion that are connected rotatedly with described front fork, and described pedestal is fixed on the described back pole-bracket.
Scope of the present invention is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.The technical characterictic that has a similar functions such as disclosed among above-mentioned feature and the application (but being not limited to) is replaced mutually and technical scheme of forming etc.
Because technique scheme is used, the present invention compared with prior art has following advantages: after the release of lever locked mechanism, rotate joystick, so that the seat lockout mechanism is converted to unlocked position by latched position, and then can be so that the seat rotates relative to pedestal.
Description of drawings
Accompanying drawing 1 is block diagram of the present invention (seat is positioned under the forward facing position);
Accompanying drawing 2 is block diagram of the present invention (lever locked mechanism is positioned under the unlocked position);
Accompanying drawing 3 is block diagram of the present invention (seat be positioned at backward position under);
Accompanying drawing 4 is seat and pedestal junction decomposed figure;
Accompanying drawing 5 is seat and pedestal junction cutaway drawing (lever locked mechanism is positioned under the latched position);
Accompanying drawing 6 is seat and pedestal junction cutaway drawing (lever locked mechanism is positioned under the unlocked position);
Accompanying drawing 7 is front view of the present invention (seat is positioned under the forward facing position);
Accompanying drawing 8 is front view of the present invention (lever locked mechanism is positioned under the unlocked position);
Accompanying drawing 9 is front view of the present invention (seat be positioned at backward position under).
Wherein: 1, front fork; 3, front-wheel; 4, handlebar; 5, back pole-bracket; 6, trailing wheel; 7, seat; 8, joystick; 9, the first locations; 10, the first positioning groove; 11, the second positioning groove; 12, locking piece; 13, the first inclined-plane; 14, the second inclined-plane; 15, guide finger; 16, the first elastic component; 17, chute; 18, revolve handle; 19, trailing cable; 20, pedestal; 21, the first rotating shaft; 22, the second rotating shaft; 23, the first dead bolt; 24, the second dead bolt; 25, the first locked groove; 26, the second locked groove; 27, the first depression; 28, the second depression.
The specific embodiment
Seat mechanism can be for the seat mechanism on the children trolley, can be for the seat mechanism on the dining chair, also can be such as the seat mechanism on the child's tricycle of being used in this enforcement.Shown in accompanying drawing 1-accompanying drawing 3, accompanying drawing 7-accompanying drawing 9.A kind of child's tricycle, comprise front fork 1, be arranged at front fork 1 bottom front-wheel 3, be used for handlebar 4 that control front-wheel 3 turns to, anterior and front fork 1 the rotate back pole-bracket 5 that is connected, two groups of trailing wheels 6 that are arranged at back pole-bracket 5 rear portions, seat mechanism is arranged on the back pole-bracket 5.
Shown in each accompanying drawing, above-mentioned seat mechanism comprises pedestal 20, is arranged on the seat 7 on the pedestal 20, and the seat is positioned at the top of pedestal 20, and pedestal 20 is permanently connected with back pole-bracket 5 and consists of an integral body.
Seat 7 is connected by the first rotating shaft 21 rotatedly with pedestal 20, the axial line of the first rotating shaft 21 extends along above-below direction, be provided with the seat lockout mechanism with latched position and unlocked position between seat 7 and the pedestal 20, seat 7 has forward facing position and backwards backward position forward.
Seat mechanism can be controlled the joystick 8 that the seat lockout mechanism is changed after also comprising rotation between latched position and unlocked position, namely in the present embodiment, the release of seat lockout mechanism realizes by rotating joystick 8.In child's tricycle, this joystick 8 also becomes push rod.Shown in accompanying drawing 4-6, the bottom of joystick 8 is connected with seat 7 rotatedly by the second rotating shaft 22, and the second rotating shaft 22 is vertical with the first rotating shaft 21 phase spaces.
Be provided with between joystick 8 and the seat 7 so that locking mechanism stable ground, seat is in the lever locked mechanism under the latched position.Only have after the release of lever locked mechanism, just can rotate joystick 8.
Shown in accompanying drawing 4-accompanying drawing 6, lever locked mechanism comprises that the direction along spatial vertical in the second rotating shaft 22 is slidingly arranged in the first locations 9 on the joystick 8, is opened in the first positioning groove 10 and the second positioning groove 11 on the seat 7, the first positioning groove 10 and the second positioning groove 11 are positioned at respectively the both sides of the first rotating shaft 21 relatively symmetrically, when seat 7 is under the front position, the first locations 9 is inserted in the first positioning groove 10 so that lever locked mechanism is positioned at latched position; Under seat 7 is in backwards the position, the first locations 9 is inserted in the second positioning groove 11 so that lever locked mechanism is positioned at latched position, when the first locations 9 and the first positioning groove 10 and the second positioning groove 11 all were separated, lever locked mechanism namely was positioned under the unlocked position.Lever locked mechanism offers the first teeth groove in the bottom of joystick 8,7 offer the second teeth groove at the seat, slip is arranged at the tooth piece between the first teeth groove and the second teeth groove, the axial line of the second rotating shaft passes the center of the first teeth groove, the second teeth groove and tooth piece, during locking, the tooth piece is inserted in respectively in the first teeth groove and the second teeth groove so that lever locked mechanism is positioned at latched position.
Shown in accompanying drawing 5-accompanying drawing 6, be provided with the stop gear for restriction the first locations 9 sliding scales between the first locations 9 and the joystick 8.Stop gear comprises the chute 17 that is opened on the first locations 9, and guide finger 15 is inserted in the chute 17 slidably.
The top of joystick 8 is provided with the trailing cable operating-controlling mechanism that moves for control the first locations 9, be connected with between trailing cable operating-controlling mechanism and the first locations 9 and be provided with between trailing cable 19, the first locationss 9 and the joystick 8 so that the first locations 9 stably is inserted in the second elastic component in the first positioning groove 10 or the second positioning groove 11.The operator needn't bend over, and the Long-distance Control of namely can standing the first locations 9 is so that the release of lever locked mechanism.
The concrete structure of trailing cable operating-controlling mechanism is not invention main points of the present invention, so long as can drive can using at this that trailing cable 19 moves it.Usually employing is arranged at revolving 18 on the joystick rotationally, revolves to be connected 18 with an end of trailing cable 19, and the other end of trailing cable 19 is connected with the first locations 9.
Shown in accompanying drawing 4-accompanying drawing 6, the seat lockout mechanism comprise along the direction of axis line of the first rotating shaft 21 be slidingly arranged in 7 bottoms, seat locking piece 12, be opened in the first locked groove 25 and the second locked groove 26 on the pedestal 20, have the first dead bolt 23 and the second dead bolt 24 that stretch out on the locking piece 12 downwards, when the seat lockout mechanism is positioned under the latched position, the first dead bolt 23 is inserted in the first locked groove 25, the second dead bolt 24 is inserted in the second locked groove 26, perhaps the first dead bolt 23 is inserted in the second locked groove 26, and the second dead bolt 24 is inserted in the first locked groove 25; When the seat lockout mechanism is positioned under the unlocked position, the first dead bolt 23 and the second dead bolt 24 all are separated respectively with the first locked groove 25 and the second locked groove 26.
Shown in accompanying drawing 4-accompanying drawing 6, the bottom of joystick 8 is provided with the control mechanism that slides for control locking piece 12 relative seats 7 with locking piece 12.Control mechanism comprise the top that is opened in locking piece 12 groove, be fixed on the guide finger 15 of the bottom of joystick 8.Groove is V-shaped, and guide finger 15 is positioned at the below of the second rotating shaft 22, is provided with between seat 7 and the locking piece 12 so that locking mechanism stable ground, seat is in the first elastic component 16 under the unlocked position.Lockout mechanism is in the unlocked position down when the seat, and guide finger 15 is positioned at the innermost of groove, and the first elastic component 16 upwards pushes up locking piece 12, thereby the first dead bolt 23 and the second dead bolt 24 can stably break away from respectively the first locked groove 25 and the second locked groove 26; When the seat lockout mechanism is under the latched position, guide finger breaks away from the innermost of groove, thereby guide finger 15 overcomes the elastic force of the first elastic component 16, with locking piece 12 to pressing down, when the first dead bolt 23 and the second dead bolt 24 are inserted in respectively in the first locked groove 25 and the second locked groove 26.The first elastic component 16 is stage clip, when the seat lockout mechanism at unlocked position in the process of latched position conversion, if the first dead bolt 23 is not aimed at corresponding the first locked groove 25 and the second locked groove 26 with the second dead bolt 24, this moment, the first elastic component 16 was in further compressive state, seat 7 can be rotated around the first rotating shaft 21, when the first dead bolt 23 and the second dead bolt 24 are aimed at respectively corresponding the first locked groove 25 and the second locked groove 26, just can insert.
The two side of groove has the first inclined-plane 13 and the second inclined-plane 14, and seat 7 is in the process of forward facing position and backward position conversion, and guide finger 15 and the first inclined-plane 13 or the second inclined-plane 14 are inconsistent.
The top of locking piece 12 also offers the first depression the 27 and second depression 28, the first depression 27 is positioned at the top of groove one side, the second depression 28 is positioned at the top of groove opposite side, when seat 7 is under the front position, when the seat lockout mechanism is under the latched position, guide finger 15 is positioned at the first depression 27, and under seat 7 was in backwards the position, guide finger 15 was positioned at the second depression 28.
Operating process:
With seat 7 by be transformed in position backwards towards the front position: when seat 7 is under the front position, such as accompanying drawing 1, accompanying drawing 5, shown in the accompanying drawing 7, overcome the elastic force of the second elastic component between described the first locations 9 and the described joystick 8, revolving 18 on the manipulation bar 8, thereby drive the first locations 9 moves up and breaks away from the first positioning groove 10 under the effect of trailing cable 19, and then joystick 8 rotates around the second rotating shaft 22, in the process of rotating, locating dowel pin 15 breaks away from the first depression 27 and slides along the first inclined-plane 13 in the groove, when locating dowel pin 15 slides to the groove bottom land, the first dead bolt 23 is separated with the first locked groove 25 under the effect of the first elastic component 16, seat 7 can be rotated around the first rotating shaft relative to pedestal 20, seat 7 is gone to backwards under the position, the user can rotate backward joystick 8 around the second rotating shaft 22, at this moment, in locating dowel pin 15 slides the second depression 28 by the groove bottom land along the second inclined-plane 14, being the seat lockout mechanism is locked in seat 7 backwards under the position, release is revolved 18, the first locationss 9 is inserted the second positioning groove 11.
Seat 7 is transformed in towards the front position by position backwards, operates as the same.
About the inferior noun of locality on the above involved front and back, usually after the residing position of push rod is, in the present embodiment, joystick 8 is push rod, as shown in Figure 7, be the seat forward when the backrest at seat 7 and push rod are in the same side, as shown in Figure 9, be the seat backward when backrest and the push rod at seat 7 is in relative both sides.
As mentioned above, we are illustrated according to aim of the present invention fully, but the present invention is not limited to above-described embodiment and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought license of the present invention.

Claims (8)

1. seat mechanism, comprise pedestal (20), be arranged on the seat (7) on the described pedestal (20), described seat is positioned at the top of described pedestal (20), described seat (7) is connected by the first rotating shaft (21) rotatedly with described pedestal (20), the axial line of described the first rotating shaft (21) extends along above-below direction, described seat (7) has forward facing position and backwards backward position forward, be provided with the seat lockout mechanism with latched position and unlocked position between described seat (7) and the described pedestal (20), it is characterized in that:
Described seat mechanism can be controlled the joystick (8) that described seat lockout mechanism is changed after also comprising rotation between latched position and unlocked position, the bottom of described joystick (8) is connected with described seat (7) rotatedly by the second rotating shaft (22), described the second rotating shaft (22) is vertical with described the first rotating shaft (21) phase space
Be provided with between described joystick (8) and described seat (7) so that locking mechanism stable ground, described seat is in the lever locked mechanism under the latched position,
Described seat lockout mechanism comprises the locking piece (12) that is slidingly arranged in bottom, described seat (7) along the direction of axis line of described the first rotating shaft (21), be opened in the first locked groove (25) and the second locked groove (26) on the described pedestal (20), has the first dead bolt (23) that stretches out on the described locking piece (12) downwards, lockout mechanism is positioned under the latched position when described seat, described the first dead bolt (23) is inserted in described the first locked groove (25) or the second locked groove (26), lockout mechanism is positioned under the unlocked position when described seat, described the first dead bolt (23) is separated with described the first locked groove (25) or described the second locked groove (26)
Described lever locked mechanism comprises that the direction along spatial vertical in described the second rotating shaft (22) bearing of trend is slidingly arranged in the first locations (9) on the described joystick (8), be opened in the first positioning groove (10) and the second positioning groove (11) on the described seat (7), described the first positioning groove (10) and described the second positioning groove (11) lay respectively at the both sides of described the first rotating shaft (21), when described seat (7) are under the front position, described the first locations (9) is inserted in described the first positioning groove (10), under described seat (7) were in backwards the position, described the first locations (9) was inserted in described the second positioning groove (11).
2. seat mechanism according to claim 1 is characterized in that: the bottom of described joystick (8) is provided with the control mechanism that slides be used to controlling the relative described seat of described locking piece (12) (7) with described locking piece (12).
3. seat mechanism according to claim 2, it is characterized in that: described control mechanism comprises the groove on the top that is opened in described locking piece (12), be fixed on the guide finger (15) of the bottom of described joystick (8), described guide finger (15) is positioned at the below of described the second rotating shaft (22), lockout mechanism is in the unlocked position down when described seat, described guide finger (15) is positioned at the innermost of described groove, lockout mechanism is under the latched position when described seat, described guide finger breaks away from the innermost of described groove, is provided with between described seat (7) and the described locking piece (12) so that locking mechanism stable ground, described seat is in the first elastic component (16) under the unlocked position.
4. seat mechanism according to claim 3, it is characterized in that: the top of described locking piece (12) also offers the first depression (27) and the second depression (28), described the first depression (27) is positioned at the top of described groove one side, described the second depression (28) is positioned at the top of described groove opposite side, when described seat (7) are under the front position, described guide finger (15) is inserted in described the first depression (27), under described seat (7) were in backwards the position, described guide finger (15) was inserted in described the second depression (28).
5. seat mechanism according to claim 3, it is characterized in that: described groove is V-shaped.
6. seat mechanism according to claim 1 is characterized in that: be provided be used to the stop gear that limits described the first locations (9) sliding scale between described the first locations (9) and the described joystick (8).
7. seat mechanism according to claim 1, it is characterized in that: the top of described joystick (8) is provided be used to controlling the mobile trailing cable operating-controlling mechanism of described the first locations (9), be connected with trailing cable (19) between described trailing cable operating-controlling mechanism and described the first locations (9), be provided with between described the first locations (9) and the described joystick (8) so that described the first locations (9) stably is inserted in the second elastic component in described the first positioning groove (10) or described the second positioning groove (11).
8. child's tricycle that includes the described seat mechanism of any one among the above claim 1-7, it is characterized in that: this child's tricycle also comprises front fork (1), is arranged at the front-wheel (3) of described front fork (1) bottom, is used for controlling handlebar (4), anterior back pole-bracket (5), two groups of trailing wheels (6) that are arranged at respectively described back pole-bracket (5) both sides, rear portion that are connected rotatedly with described front fork (1) that described front-wheel (3) turns to, and described pedestal (20) is fixed on the described back pole-bracket (5).
CN201110168703.1A 2011-06-22 2011-06-22 Seat mechanism and children tricycle provided with same Active CN102229351B (en)

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CN201110168703.1A CN102229351B (en) 2011-06-22 2011-06-22 Seat mechanism and children tricycle provided with same

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Application Number Priority Date Filing Date Title
CN201110168703.1A CN102229351B (en) 2011-06-22 2011-06-22 Seat mechanism and children tricycle provided with same

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CN102229351B true CN102229351B (en) 2013-02-27

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2535428B (en) * 2014-11-12 2021-04-28 All Day Designs Ltd Child transportation apparatus and associated method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786064A (en) * 1987-07-15 1988-11-22 Baghdasarian Varouj G Convertible infant seat
CN1311119A (en) * 2000-02-29 2001-09-05 好孩子集团公司 Seat change-over bassinet
CN2578212Y (en) * 2002-10-09 2003-10-08 好孩子儿童用品有限公司 Tricycles
US7367581B2 (en) * 2005-08-26 2008-05-06 Link Treasure Limited Baby stroller frame with seat direction changing mechanism
CN202152063U (en) * 2011-06-22 2012-02-29 好孩子儿童用品有限公司 Seat mechanism and child tricycle provided with same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786064A (en) * 1987-07-15 1988-11-22 Baghdasarian Varouj G Convertible infant seat
CN1311119A (en) * 2000-02-29 2001-09-05 好孩子集团公司 Seat change-over bassinet
CN2578212Y (en) * 2002-10-09 2003-10-08 好孩子儿童用品有限公司 Tricycles
US7367581B2 (en) * 2005-08-26 2008-05-06 Link Treasure Limited Baby stroller frame with seat direction changing mechanism
CN202152063U (en) * 2011-06-22 2012-02-29 好孩子儿童用品有限公司 Seat mechanism and child tricycle provided with same

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