CN204712905U - Automobile seat for child and supporting leg thereof - Google Patents

Abstract

The utility model discloses a kind of automobile seat for child and supporting leg thereof.The supporting leg of automobile seat for child comprises the first supporting leg, be slidably disposed in the second supporting leg of the first supporting leg, be slidably disposed in the 3rd supporting leg of the second supporting leg, for the first lockout mechanism by the first supporting leg and the locking of the second supporting leg, for the second lockout mechanism by the second supporting leg and the locking of the 3rd supporting leg, this supporting leg also comprises the release mechanism for the first lockout mechanism and the second lockout mechanism being unlocked, release mechanism comprises unlock button, unlock piece, in the process of operation unlock button, second lockout mechanism unlocks, unlock piece is positioned at described second supporting leg and is connected with the 3rd supporting leg, in the process that unlock piece moves up, unlock piece has the first unlocked position contacting with the first lockout mechanism to unlock.

Description

Child car seats and their supporting legs

technical field

The utility model relates to a child car seat and its supporting legs.

Background technique

Along with the raising of safety awareness to children, the requirements for child car seats are also increasing day by day. Existing child car seats include a base for connecting with the car seat, and a child seat arranged on the base. In order to place the child seat to tilt forward or turn over, the lower front part of the base is provided with supporting legs for supporting the first nature. Since different cars have different seat heights, the height of the supporting legs should be adjustable. As disclosed in the patent application number CN200720130069.1, although the height of the support leg can be adjusted within a certain range, the adjustable support leg is limited, and the structure is complicated, the adjustment process is complicated, and the use is not convenient enough.

Contents of the invention

In view of the above problems, the utility model provides a three-section telescopic support leg of a child car seat; the utility model also provides a child car seat with a three-section telescopic support leg.

In order to solve the problems of the technologies described above, a kind of technical scheme that the utility model adopts is:

A supporting leg of a child car seat, comprising a first leg for connecting to a base of a child car seat, a second leg slidably arranged on the first leg, and a second leg slidably arranged on the second leg. a third leg of the legs, a first locking mechanism for preventing said second leg from sliding relative to the first leg, a second locking mechanism for preventing said third leg and second leg from sliding, The supporting leg also includes an unlocking mechanism for unlocking the first locking mechanism and the second locking mechanism, the unlocking mechanism includes an unlocking button and an unlocking piece,

In the process of operating the unlocking button, the second locking mechanism is unlocked, and the unlocking member is arranged above the third leg or connected with the third leg so as to be opposite to the third leg The second leg moves upward, and during the upward movement of the unlocking member, the unlocking member has a first unlocking position in which it contacts the first locking mechanism to unlock the first locking mechanism.

Preferably, the second leg is inserted in the first leg, the third leg is inserted in the second leg, and the unlock button is set on the third leg Used to unlock the second locking mechanism.

Preferably, the first locking mechanism includes a first locking member having a first end and a second end, and a lock pin disposed at the first end of the first locking member, and the first locking member passes through the first locking member. A pivot is rotatably disposed in the second leg, the first pivot is located between the first end and the second end of the first locking member and the first end of the first locking member The upper portion is higher than the first pivot, and the first leg is provided with a first lock hole matched with the lock pin, and when the lock pin is inserted into the first lock hole, the first locking mechanism locks; When the lock pin disengages from the first lock hole, the first locking mechanism is unlocked; the first end of the first locking member is formed with a protrusion extending away from the center line of the second leg, The protrusion is located below the lock pin, and an unlocking slope is formed on the side of the unlocking member facing the center line of the second leg, and the unlocking slope is gradually approaching the second leg from top to bottom. The center line of the leg extends obliquely, and in the first unlocking position, the protrusion is in tight contact with the unlocking slope.

More preferably, the first locking mechanism further includes a first elastic reset member connected between the second leg and the second end of the first locking member.

More preferably, there are a plurality of first locking holes arranged at intervals along the centerline of the first leg, and when the locking pin is inserted into any of the first locking holes, the first locking mechanism locking.

Preferably, the second locking mechanism includes a second locking member having a first end and a second end, the second locking member is rotatably disposed in the third leg via a second pivot, The first end of the second locking member is bent away from the center line of the third leg to form a lock hook portion, and the second leg is provided with a second lock hole matched with the lock hook portion, When the locking hook part is inserted into the second locking hole, the second locking mechanism is locked; when the locking hook part is out of the second locking hole, the second locking mechanism is unlocked; on the third leg An installation slot is opened, the unlocking button is movably arranged in the installation and can move toward the inside of the second leg, and the unlocking button is in tight contact with the second end of the second locking member.

More preferably, the second locking mechanism further includes a second elastic reset member disposed between the second pivot and the second locking member.

More preferably, the first end of the second locking member is higher than the second end and the second pivot is connected between the first end and the second end of the second locking member, the unlocking The button is arranged at the lower end of the third leg.

More preferably, there are a plurality of second lock holes arranged at intervals along the centerline direction of the second leg, and when the lock hook portion is inserted into any second lock hole, the second lock mechanism locks.

Another technical solution adopted by the utility model is: a child car seat, comprising a base and the supporting legs, and the first leg is connected to the front bottom of the base.

Combining the above, the utility model adopts the above technical scheme, which has the following advantages compared with the prior art: three outriggers are used, and the expansion and contraction range is larger, which is suitable for various vehicle types; Both the first locking mechanism and the second locking mechanism can be unlocked by pushing the third leg or operating the unlock button and pulling down the second leg, which is convenient to operate.

Description of drawings

Fig. 1 is the structural representation of the children's car seat of the present utility model;

Fig. 2 is a cross-sectional view in the first direction when the supporting leg of the utility model is stretched out;

Fig. 3 is a cross-sectional view in the second direction when the supporting leg of the present invention is stretched out;

Fig. 4 is a cross-sectional view in the first direction of the support leg of the present invention when it is contracted;

Fig. 5 is a cross-sectional view in the second direction when the supporting legs of the present invention are contracted;

Fig. 6 is a schematic diagram of the first stretching process or shrinking process of the supporting leg of the present invention;

Fig. 7 is a partial enlarged view of place A in Fig. 6;

Fig. 8 is a schematic diagram of the second extension process of the supporting legs of the present invention.

Wherein, 1, the first leg; 11, the first keyhole;

2. The second outrigger; 21. The second lock hole; 22. The first through hole; 23. The fixed shaft;

3. The third leg; 31. The second through hole; 32. The installation groove;

4. The first locking mechanism; 41. The first locking member; 411. The protrusion; 42. The lock pin; 43. The first pivot; 44. The extension spring;

5. The second locking mechanism; 51. The second locking member; 511. The hook portion; 52. The second pivot; 53. The torsion spring;

61. Unlock button; 62. Unlock piece; 621. Unlock slope.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art.

Shown in Fig. 1 is a kind of child's car seat that support leg of the present utility model is installed, and Fig. 2-8 shows a kind of support leg of the present utility model. As shown in FIG. 1 , the child car seat includes a base for connecting the car seat, seat mechanisms such as a basket or a seat pocket arranged on the base, and supporting legs installed at the bottom front of the base. The support leg is telescopic, and it comprises the first support leg 1, the second support leg 2 and the third support leg 3, wherein, the upper end of the first support leg 1 is fixedly connected with the bottom front part of the base, and the second support leg 2 The third leg 3 is inserted in the second leg 2 and can slide relative to the second leg 2 .

As shown in Figures 2-8, when the supporting leg is stretched out, the second leg 2 stretches out from the lower end of the first leg 1, and the third leg 3 stretches out from the lower end of the second leg 2; when the supporting leg When contracted, the second outrigger 2 is inserted into the first outrigger 1 from the lower end of the first outrigger 1 , and the third outrigger 3 is inserted into the second outrigger 2 from the lower end of the second outrigger 2 . The support leg also includes a first locking mechanism 4 for preventing the second leg 2 from sliding upward relative to the first leg 1, a second locking mechanism 5 for locking the second leg 2 and the third leg 3, An unlocking mechanism for unlocking the first locking mechanism 4 and the second locking mechanism 5 .

The first locking mechanism 4 includes a first locking member 41 having a first end and a second end, a lock pin 42 fixedly arranged on the first end of the first locking member 41, a locking pin 42 connected to the second leg 2 and the first The first elastic reset member between the second ends of the locking member 41 . The first locking member 41 is rotatably arranged in the second leg 2 through the first pivot 43, and the first pivot 43 is connected between the first end and the second end of the first locking member 41 and is fixedly arranged. In the second leg 2 , the axis of the first pivot 43 extends along the horizontal direction, and the first end of the first locking member 41 is higher than the first pivot 43 . The first leg 1 is provided with a plurality of first locking holes 11 matching with the locking pins 42 , and the plurality of first locking holes 11 are arranged at intervals along the centerline of the first leg 1 . The second leg 2 is provided with a first through hole 22 at a position corresponding to the lock pin 42, and the lock pin 42 can be inserted into the first lock hole 11 after passing through the first through hole 22, and the lock pin 42 is movably installed in the first through hole 11. A through hole 22 allows the locking pin 42 to rotate with the first locking member 41 . When the locking pin 42 is inserted into any first locking hole 11 , the first locking mechanism 4 locks the first leg 1 and the second leg 2 . The first elastic return member is a tension spring 44, the lower end of the tension spring 44 is connected to the second end of the first locking member 41, and the upper end of the tension spring 44 is connected to the fixed shaft 23, which is fixedly arranged on the second leg 2 Inside and above the second end of the first locking member 41 .

The first locking piece 41 is disposed on the upper end of the second leg 2 . When the second leg 2 extends out of the first leg 1, the lock pin 42 is inserted into the first lock hole 11 at the bottom of the first leg 1; when the second leg 2 retracts into the first leg 1, the lock The pin 42 is inserted into the first locking hole 11 at the uppermost part of the first leg 1 . The adjustment range of the second leg 2 relative to the first leg 1 is larger, and the lock pin 42 can be inserted into the first lock hole 11 at any height, so that the height between the first leg 1 and the second leg 2 adjustable.

The second locking mechanism 5 includes a second locking member 51 having a first end and a second end, and a second elastic resetting member for resetting the second locking member 51 . The second locking member 51 is rotatably arranged in the third leg 3 through the second pivot 52, and the second pivot 52 is connected between the first end and the second end of the second locking member 51 and is fixed. Arranged in the third leg 3 , the axis of the second pivot 52 extends horizontally and is perpendicular to the axis of the first pivot 43 . The first end of the second locking member 51 is bent to form a locking hook portion 511, and the second leg 2 is provided with a plurality of second locking holes 21 that match the locking hook portion 511. The plurality of second locking holes 21 They are arranged at intervals along the direction of the center line of the second support leg 2 . A second through hole 31 is opened on the third leg 3 corresponding to the locking hook portion 511 , and the locking hook portion 511 passes through the second through hole 31 and can move toward and away from the second locking hole 21 . When the locking hook portion 511 is inserted into any second locking hole 21 , the second locking mechanism 5 locks the second leg 2 and the third leg 3 . The second elastic reset member is a torsion spring 53 , and the torsion spring 53 is disposed between the second pivot 52 and the second locking member 51 .

The first end of the second locking member 51 is higher than the second end, and the first end extends to the upper end of the third leg 3 , and the second end extends to the lower end of the third leg 3 . When the third leg 3 stretches out from the second leg 2, the hook portion 511 is inserted into the second lock hole 21 at the bottom of the second leg 2; when the third leg 3 retracts into the second leg 2 , the locking hook portion 511 is inserted into the second locking hole 21 at the uppermost part of the second leg 2 . The adjustment range of the third leg 3 relative to the second leg 2 is larger, and the lock hook portion 511 can be inserted into the second lock hole 21 at any height, so that the second leg 2 and the third leg 3 Height adjustable.

The unlocking mechanism includes an unlocking piece 62 and an unlocking button 61 . The unlock button 61 is provided in the third leg 3 for operation by a user. During operation of the unlock button 61, the second locking mechanism 5 is unlocked. The unlocking member 62 is located in the second leg 2 and is arranged above the third leg 3 or connected with the third leg 3 so as to slide upward relative to the second leg 2 with the third leg 3 . When the unlocking member 62 slides During the process, the unlocking member 62 has a first unlocking position where it is in contact with the first locking mechanism 4 for unlocking.

Specifically, as shown in FIG. 7 , the unlocking member 62 is fixedly connected to the upper part of the third leg 3 , and an unlocking slope 621 is formed on the side of the unlocking member 62 facing the center line of the second leg 2 , and the unlocking slope 621 starts from It extends obliquely from top to bottom in a manner gradually approaching the center line of the second support leg 2 . A protrusion 411 extending away from the centerline of the second leg 2 is formed on the first end of the first locking member 41 , and the protrusion 411 is located below the locking pin 42 . When in the first unlocking position, the protrusion 411 is in tight contact with the unlocking slope 621 .

During the contraction of the second leg 2 relative to the first leg 1, the third leg 3 drives the unlocking member 62 to move up, and the first locking mechanism 4 is unlocked under the action of the unlocking slope 621, and the tension spring 44 simultaneously deformation to provide the locking power of the first locking mechanism 4 . While the second outrigger 2 stretches out relative to the first outrigger 1, the unlocking principle of the first locking mechanism 4 is as follows: when the second outrigger 2 is pulled down, the first pivot 43 has a tendency to move downward, Simultaneously because the locking pin 42 is blocked by the hole wall under the first locking hole 11, that is, the locking pin 42 is subject to an upward resistance, so that the first end of the first locking member 41 rotates upward, and the locking pin 42 rotates thereupon to break away from the first end. A locking hole 11 , the second end of the first locking member 41 is turned downwards, and the tension spring 44 is deformed at the same time to provide the locking power of the first locking mechanism 4 .

The lower end of the third leg 3 is provided with a mounting groove 32 , and the unlocking button 61 is movably arranged in the installation and can move toward the inside of the second leg 2 . In this embodiment, the unlocking button 61 is always in tight contact with the second end of the second locking member 51 .

The supporting leg contraction process of the present utility model is as follows: as shown in FIG. The spring 53 is compressed; the third leg 3 is pushed up to be inserted into the second leg 2, and the unlocking member 62 moves upward accordingly. When the third leg 3 is pushed to the uppermost end, the unlocking member 62 reaches the first unlocking position. Position, that is, the protrusion 411 and the unlocking slope 621 are offset, and as the unlocking member 62 continues to move upward, the first locking member 41 rotates under the action of the unlocking slope 621 to make the lock pin 42 break away from the first lock hole 11, and the first locking mechanism 4 unlocking, at this time the extension spring 44 is stretched; the unlocking button 61 can be released, and the second locking member 51 rotates under the reset force of the torsion spring 53 so that the locking hook portion 511 is inserted into the uppermost second locking hole 21, Lock the second outrigger 2 and the third outrigger 3; continue to push upwards, the second outrigger 2 and the third outrigger 3 are inserted into the first outrigger 1 together, when inserted into the top of the first outrigger 1, the second outrigger A locking member 41 rotates under the reset force of the tension spring 44 so that the pin is inserted into the uppermost first locking hole 11 to lock the first leg 1 and the second leg 2 .

During the contraction process, the first locking mechanism 4 and the second locking mechanism 5 can be unlocked only by operating the unlocking button 61 and pushing the third leg 3 upwards, which is convenient to operate.

The supporting legs of the utility model have two extension modes:

As shown in FIG. 6 , in the first extension mode, the second outrigger 2 or the third outrigger 3 is pulled down first, and the first locking member 41 moves downward accordingly. Since the lock pin 42 is received by the first lock hole 11, the first locking member 41 rotates so that the lock pin 42 breaks away from the first locking hole 11, the first locking mechanism 4 is unlocked, and when the second leg 2 continues to be pulled down to the required height, the first locking member 41 is Under the action of the reset force of the extension spring 44, reverse rotation makes the lock pin 42 inserted into the first lock hole 11 at this height, so as to lock the first leg 1 and the second leg 2; then press the unlock button 61 to make The second outrigger 2 and the third outrigger 3 are unlocked, and the third outrigger 3 is pulled downwards until the third outrigger 3 stretches out to the desired height, and the unlocking button 61 is released, and the second locking member 51 is locked on the torsion spring 53 Under the action of the reset force, the locking hook part 511 is inserted into the second locking hole 21 at this height, and the second leg 2 and the third leg 3 are locked.

As shown in Figure 8, in the second extension mode, first press the unlock button 61, the second locking mechanism 5 is unlocked, and after pulling the third leg 3 down to the required height, the second locking mechanism 5 will The three outriggers 3 and the second outrigger 2 are locked; then pull down the second outrigger 2, the first locking mechanism 4 is unlocked, and continue to pull down the second outrigger 2 until it reaches the required height, the first locking mechanism 4 Lock the first leg 1 and the second leg 2.

In the above two extension methods, according to the height of the car seat, the extension range of the second outrigger 2 and/or the third outrigger 3 can be adjusted, and the adjustment range of the supporting legs is larger.

The above-mentioned embodiment is only to illustrate the technical conception and characteristics of the present utility model. It is a preferred embodiment. Protection scope of utility model. All equivalent transformations or modifications made according to the spirit of the present utility model shall fall within the protection scope of the present utility model.

Claims (10)

1. A supporting leg of a child car seat, comprising a first leg (1) for connecting the base of a child car seat, a second leg (2) slidably arranged on the first leg (1) ), a third leg (3) slidably arranged on the second leg (2), a first lock for preventing the second leg (2) from sliding relative to the first leg (1) mechanism (4), a second locking mechanism (5) for preventing the third leg (3) from sliding relative to the second leg (2), characterized in that the supporting leg also includes a A locking mechanism (4) and an unlocking mechanism for unlocking the second locking mechanism (5), the unlocking mechanism includes an unlocking button (61) and an unlocking piece (62), During the operation of the unlocking button (61), the second locking mechanism (5) is unlocked, and the unlocking member (62) is arranged above the third leg (3) or with the third The outrigger (3) is connected to move upward relative to the second outrigger (2) with the third outrigger (3), and during the upward movement of the unlocking member (62), the unlocking member (62) has Contact with the first locking mechanism (4) to unlock the first unlocking position of the first locking mechanism (4). 2. The supporting leg according to claim 1, characterized in that: the second leg (2) is inserted into the first leg (1), and the third leg (3) is inserted into In the second leg (2), the unlocking button (61) is arranged on the third leg (3) for unlocking the second locking mechanism (5). 3. The supporting leg according to claim 2, characterized in that: the first locking mechanism (4) comprises a first locking member (41) having a first end and a second end, arranged on the first a lock pin (42) at the first end of a locking member (41), the first locking member (41) is rotatably arranged in the second leg (2) through a first pivot (43), The first pivot (43) is located between the first end and the second end of the first locking member (41), and the first end of the first locking member (41) is higher than the first pivot (43), the first leg (1) is provided with a first lock hole (11) matched with the lock pin (42), when the lock pin (42) is inserted into the first lock hole (11) ), the first locking mechanism (4) is locked; when the lock pin (42) is out of the first lock hole (11), the first locking mechanism (4) is unlocked; the first locking member ( A protrusion (411) extending away from the center line of the second leg (2) is formed on the first end of 41), and the protrusion (411) is located below the locking pin (42) , the side of the unlocking member (62) facing the center line of the second leg (2) is formed with an unlocking slope (621), and the unlocking slope (621) gradually approaches the second leg from top to bottom. The leg (2) extends obliquely along the centerline, and in the first unlocking position, the protrusion (411) is in tight contact with the unlocking slope (621). 4. The supporting leg according to claim 3, characterized in that: the first locking mechanism (4) further includes a second leg connected to the second leg (2) and the first locking member (41). A first elastic return (44) between the ends. 5. The supporting leg according to claim 3, characterized in that: the first lock holes (11) are multiple and arranged at intervals along the center line of the first leg (1), when the lock When the pin (42) is inserted into any one of the first locking holes (11), the first locking mechanism (4) is locked. 6. The supporting leg according to claim 2, characterized in that: the second locking mechanism (5) comprises a second locking member (51) having a first end and a second end, the second locking The piece (51) is rotatably arranged in the third leg (3) through the second pivot (52), and the first end of the second locking piece (51) faces away from the third leg (3) ) center line is bent to form a lock hook part (511), and the second leg (2) is provided with a second lock hole (21) matching with the lock hook part (511), when the lock When the hook part (511) is inserted into the second lock hole (21), the second locking mechanism (5) locks; when the lock hook part (511) breaks away from the second lock hole (21), the second The locking mechanism (5) is unlocked; the third leg (3) is provided with an installation groove (32), and the unlock button (61) is movably arranged in the installation groove (32) and can be directed toward the second The unlocking button (61) is in tight contact with the second end of the second locking member (51) when the leg (2) moves inside. 7. The supporting leg according to claim 6, characterized in that: the second locking mechanism (5) further comprises a first locking mechanism (51) arranged between the second pivot (52) and the second locking member (51). Two elastic restoring parts (53). 8. The supporting leg according to claim 6, characterized in that: the first end of the second locking member (51) is higher than the second end and the second pivot (52) is connected to the second Between the first end and the second end of the locking piece (51), the unlocking button (61) is arranged at the lower end of the third leg (3). 9. The supporting leg according to claim 6, characterized in that: the second lock holes (21) are multiple and arranged at intervals along the center line of the second leg (2), when the lock hook part When (511) is inserted into any second locking hole (21), the second locking mechanism (5) is locked. 10. A child car seat, characterized in that: comprising a base, the supporting leg as claimed in any one of claims 1-9, the first leg is connected to the bottom front portion of the base.