CN201566524U - Telescopic buckling mechanism of safety seat base - Google Patents

Abstract

The utility model discloses a telescopic buckling mechanism of a safety seat base, which comprises a telescopic control mechanism which is arranged on the safety seat base and can move relative to the safety seat base; and the pair of buckling mechanisms are arranged on the telescopic control mechanism, move relative to the safety seat base along with the telescopic control mechanism and are suitable for being buckled with the ISO-FIX connector. The utility model discloses a flexible lock mechanism of safety seat base, when lock mechanism was located the extended position, the user can see the position of lock mechanism and ISO-FIX joint lock joint, and only rely on the sense of touch to grope when not needing like traditional lock joint to make lock joint convenient and fast and accurate.

Description

Telescopic buckle mechanism for safety seat base

technical field

The utility model relates to a telescopic fastening mechanism, in particular to a telescopic fastening mechanism for a safety seat base used for infants and children riding in a car.

Background technique

Infant car seats are mainly used when infants and children ride in cars. However, because the general car safety seat is not stable when placed on the car seat, and the car safety belt must be reinstalled every time the safety seat is to be placed, which is quite inconvenient. Therefore, the safety seat base can be fixed on the car seat first and fastened with the seat belt.

ISO-FIX (International Standard Organization Fix) is a world-recognized safety connection standard. It is about the mechanism used to fix the safety seat on the rear seat of the car. For example, the ISO-FIX structure can be a fixed buckle bar, which can be connected with the car safety The seat base snaps right on.

Since the position of the buckling mechanism of the traditional car safety seat base is set on the rear side of the safety seat base and is fixed, when the user buckles in the small seat space in the car, the line of sight is completely restricted by the safety seat. Because of the obstruction of the chair base, it is difficult to directly align the fastening mechanism with the ISO-FIX joint, but can only be groped by touch, which is obviously inconvenient and prone to inaccurate fastening.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a telescopic fastening mechanism of a safety seat base that can be directly visually fastened to facilitate the user to fix the safety seat base on the car seat.

A telescopic fastening mechanism for a safety seat base according to the present invention includes a telescopic control mechanism installed on the safety seat base and capable of moving relative to the safety seat base; and a pair of buckles The pair of locking mechanisms are installed on the telescopic control mechanism to move with the telescopic control structure relative to the fixed frame and are suitable for fastening with the ISO-FIX joint.

Preferably, the safety seat base can additionally be provided with a fixed frame to connect with the retractable control mechanism.

The telescopic fastening mechanism of the safety seat base of the utility model can make the fastening mechanism buckled with the ISO-FIX joint on the car seat slide relative to the safety seat base to realize extension or retraction. When the snap-fit mechanism is in the extended position, the user can see where the snap-fit mechanism is fastened to the ISO-FIX connector, instead of groping with the sense of touch as in the traditional fastening, so that the fastening is convenient, fast and accurate.

In addition, the telescopic fastening mechanism of a safety seat base according to the utility model also has the following additional technical features:

The telescopic control mechanism includes a pair of slide bars, and the pair of slide bars are respectively slidably installed on both sides of the fixed frame, wherein the pair of fastening mechanisms are respectively installed at one end of the pair of slide bars; A pair of positioning parts for positioning the slide bar; and a pair of operating parts for releasing the slide bar so that the slide bar can slide relative to the fixed frame, and the pair of operating parts are linked with the pair of positioning parts respectively.

The telescoping control mechanism further includes a sliding seat, and two sides of the sliding seat are respectively fixed on the pair of sliding rods.

A plurality of positioning holes can be set on the safety seat base of the utility model for positioning by the telescopic control mechanism. If the safety seat base is provided with the above-mentioned fixed frame, then these positioning holes can be directly arranged on the fixed frame, for example, at least two positioning parts for positioning the positioning member are provided on each side of the fixed frame. hole.

The telescoping control mechanism further includes a pair of first elastic assemblies, the first elastic assemblies are respectively connected to the pair of positioning pieces, and respectively limit the positioning pieces to one of the at least two positioning holes on the corresponding side .

In another example of the present invention, at least two positioning teeth for positioning the positioning member are provided on each side of the fixing frame.

The telescoping control mechanism further includes a pair of first elastic assemblies, the first elastic assemblies are respectively connected to the pair of positioning pieces, and respectively limit the positioning pieces to one of the at least two positioning teeth on the corresponding side .

By setting a plurality of positioning holes matched with the positioning parts, the fastening mechanism can be fixed at the extended position, the retracted position, or any position between the extended position and the retracted position, which realizes convenient and random operation, and The extended position of the buckle mechanism can be arranged according to the space in front of the car seat.

An inclined edge is provided at the end of the positioning member adjacent to the fixed frame.

The telescopic fastening mechanism further includes a pair of positioning and holding mechanisms, and each of the positioning and holding mechanisms includes a stop block for preventing the telescopic movement of the telescopic control mechanism, and the stop block is movably arranged on the One side of the fixed frame; an elastic component used to prevent the retraction of the telescopic control mechanism, the elastic component is connected with the stop block so that the stop block protrudes; and releases the stop block The release lever of the telescopic control mechanism, the release lever is linked with the stop block respectively.

Each positioning and maintaining mechanism further includes a blocked portion, and the blocked portion cooperates with the stop block respectively to prevent the telescoping control mechanism from retracting.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic diagram of the application of the telescopic fastening mechanism of the safety seat base and the car seat according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the telescopic fastening mechanism of the safety seat base shown in Fig. 1;

Fig. 3 is a schematic diagram of the fastening mechanism in the telescopic fastening mechanism of the safety seat base shown in Fig. 1;

Fig. 4 is a schematic cross-sectional view of the fastening mechanism shown in Fig. 3 and the ISO-FIX connector before fastening;

Fig. 5 is a schematic cross-sectional view of the fastening mechanism shown in Fig. 3 and the ISO-FIX joint after fastening;

Fig. 6 is a partial three-dimensional exploded schematic diagram of the telescopic control mechanism in the telescopic fastening mechanism of the safety seat base shown in Fig. 1;

Fig. 7 is a schematic diagram of the operation of the telescopic control mechanism shown in Fig. 6;

Fig. 8 is a schematic diagram of the telescopic fastening mechanism of the safety seat base shown in Fig. 2 when the fastening mechanism is in a retracted position;

Fig. 9 is a schematic diagram of the buckling mechanism shown in Fig. 8 when it is in an extended position;

Fig. 10 is a schematic diagram of another embodiment of the buckling mechanism in the telescopic buckling mechanism of the safety seat base shown in Fig. 2;

Fig. 11 is a schematic diagram of the state of the stop block of the positioning and maintaining mechanism in the telescopic fastening mechanism of the safety seat base shown in Fig. 2 ; and

FIG. 12 is a schematic view of the release state of the stop block on the blocked portion of the positioning holding mechanism shown in FIG. 11 .

Reference signs:

10. Safety seat base; 3. Fastening mechanism; 4. ISO-FIX joint; 5. Telescopic control mechanism; 6. Positioning maintenance mechanism; 30. Car seat.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In order to describe clearly, the "inside" and "outside" involved in the utility model respectively represent the retraction and extension directions of the buckle mechanism relative to the fixed frame, that is, the outside is the direction in which the buckle mechanism protrudes; the safety seat base The "rear side" of the seat indicates the end that snaps into the car seat. The above is only for the convenience of describing the utility model and does not require the utility model to be constructed and operated in a specific orientation, so it should not be construed as a limitation of the utility model.

The telescopic fastening mechanism of the safety seat base according to the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIGS. 1 to 6 , the telescopic fastening mechanism of the safety seat base according to an embodiment of the present invention includes a telescopic control mechanism 5 , a fastening mechanism 3 and a positioning and maintaining mechanism 6 .

The telescopic control mechanism 5 can be installed directly on the safety seat base 10 , or on the fixed frame 11 of the safety seat base 10 , and can move relative to the side of the fixed frame 11 . The telescoping control mechanism 5 includes a pair of sliding rods 52 , a pair of positioning members 53 , a pair of first elastic components 54 , a pair of operating members 55 and a sliding seat 51 .

The sliding rods 52 are respectively slidably installed on both sides of the fixed frame 11 , and one end of a pair of sliding rods 52 is respectively connected with a pair of buckling mechanisms 3 . Two sides of the sliding seat 51 are respectively fixed on a pair of sliding rods 52 so as to move as the sliding rods 52 move relative to the fixed frame 11 . The positioning member 53 is arranged transversely between the sliding seat 51 and the fixed frame 11 for positioning the sliding rod 52 after sliding, and the end of the positioning member 53 adjacent to the fixed frame 11 is provided with an inclined edge 53 . The operating member 55 is linked with a pair of positioning members 53 respectively, and makes the slide bar 52 resume sliding after being positioned.

The fastening mechanism 3 is suitable for fastening with the ISO-FIX joint 4, is connected with one end of the slide bar 52 of the telescopic control mechanism 5, and can be in two limit positions (that is, the retracted position 56 and the extended position) as the slide bar 52 moves. out position 57). When the user needs to fasten the ISO-FIX joint 4 and the fastening mechanism 3, the fastening mechanism 3 can be pulled out to the protruding position 57, so that the user can directly see the ISO-FIX joint 4 without fumbling. Easy to connect.

A plurality of positioning holes 12 can be provided on the safety seat base 10 of the present invention for the telescopic control mechanism 5 to be positioned directly relative to the safety seat base 10 . In an example of the present invention, the positioning hole 12 can be arranged on the fixed frame 11 of the safety seat base, for example, at least two positioning holes for positioning the positioning member 53 are provided on each side of the fixed frame 11 12. Optionally, the number of positioning holes 12 can be determined according to the number of positions where the fastening mechanism 3 needs to be positioned. For example, when the positioning member 53 is limited to the outermost positioning hole 12, the fastening mechanism 3 is in the extended position 57, and when the positioning member 53 is limited to the innermost positioning hole 12, the buckle mechanism 3 is in the retracted position 56. In addition, if it is necessary to set the positioning member 53 in multiple A plurality of corresponding positioning holes may be formed at corresponding positions between the outermost and innermost positioning holes 12 . The first elastic components 54 are respectively connected to the positioning pieces 53, and limit the positioning pieces 53 to one of the positioning holes 12 on the corresponding side, so that the buckle mechanism can be limited to the retracted position 56, extended position 57 or retracted position 56 and extended position 57 and an intermediate position between. In another embodiment of the present invention, positioning teeth can also be used instead of the positioning holes to limit the positioning member 53 .

Each positioning and maintaining mechanism 6 includes a stop block 61 , an elastic component 62 and a release lever 63 . The stop block 61 is movably arranged on one side of the fixed frame 11 for preventing the telescopic movement of the telescopic control mechanism 5 . The elastic component 62 is fixed to the stop block 61, which can make the stop block 61 protrude so as to prevent the telescopic control mechanism 5 from retracting. The release lever 63 is interlocked with the stop block 61 , so that the stop block 61 releases the telescopic control mechanism 5 to slide the telescopic control mechanism 5 . In addition, each positioning and maintaining mechanism 6 further includes a blocked portion 64 cooperating with the stop block 61 for preventing retraction of the telescoping control mechanism 5 .

The telescopic fastening mechanism of the safety seat base will be described in detail below according to the accompanying drawings. In the following description, unless otherwise specified, the structure of one side of the telescopic fastening mechanism is used for description.

As shown in Fig. 1, the safety seat base 10 is buckled on the car seat 30, and the user can install the baby car safety seat on the car seat 30 by buckling or opening the buckling mechanism 3 and the ISO-FIX joint 4. on or off the car seat.

As shown in FIG. 2 , the safety seat base 10 includes a fixed frame 11 disposed on the base shell and a telescopic fastening mechanism. Wherein, the telescopic fastening mechanism includes a telescopic control mechanism 5 , a fastening mechanism 3 and a positioning and maintaining mechanism 6 . Wherein, at least two positioning holes 12 are provided on the fixing frame 11 .

3-5 are schematic diagrams of the snap-fit mechanism 3 . The fastening mechanism 3 includes a housing 31 , a driving part 33 , a fastening part 34 , a pushing part 35 , a second elastic component 36 and a releasing part 37 . Wherein, a guide groove 32 is provided at the outer end of the housing 31 . The driving member 33 is pivotally connected to the inside of the casing 31 and can reciprocate up and down. The second elastic component 36 is disposed between the driving member 33 and the pushing member 35, and optionally, the second elastic component 36 is a compression spring. The buckling part 34 is disposed on the outer end of the driving part 33 , and can rotate between two limit positions as the driving part 33 swings, that is, the buckling position 50 and the releasing position 60 . Wherein, the buckling member 34 is disposed at a position relative to the guide groove 32 , and is provided with a buckling portion 38 for buckling and releasing with the ISO-FIX connector 4 . The push piece 35 is slidably installed inside the housing 31, and its outer end is provided with a push edge 39 at a position relative to the guide groove 32. The push edge 39 also has two limit positions: the push position 70 and the push position 70. Hold position 80. The release member 37 is movable on the housing 31 and is linked with the buckle 34. Operating the release member 37 can make the buckle 34 move from the buckle position 50 to the release position 60, so that the buckle mechanism 3 The snap-fit to the ISO-FIX connector 4 opens.

As shown in FIGS. 6 and 7 , the telescopic control mechanism 5 is arranged between the fixed frame 11 of the safety seat base 10 and the buckling mechanism 3 to make the buckling mechanism 3 slide relative to the safety seat base 10 Positioned at different straight-line distances. One pair of sliding rods 52 are respectively slidably installed on two sides of the fixed frame 11 , and the outer ends are respectively connected to a pair of fastening mechanisms 3 , so that the sliding rods 52 can drive the fastening mechanisms 3 to slide along the fixed frame 11 . Both sides of the sliding seat 51 are respectively fixed with a pair of sliding rods 52 , so that the sliding seat 51 can also slide relative to the fixed frame 11 . In this way, the user can move the snap-fit mechanism 3 to keep a certain distance from the rear side of the base 10, so that the user can see the ISO-FIX joint 4 and connect the snap-fit mechanism 3 with the ISO-FIX joint 4. Fasten with snaps.

The positioning member 53 is movably disposed in the safety seat base 10 , specifically, the positioning member 53 is movably and laterally located between the sliding seat 51 and the fixed frame 11 . The first elastic component 54 restricts the positioning member 53 to one of the positioning holes 12 on the fixed frame 11, and can control the slide bar 52 to be positioned at different fixed positions relative to the fixed frame 11, so that the buckle mechanism 3 has at least one return. There is a retracted position 56 and an extended position 57, as shown in Figure 8, so as to realize the convenience and arbitrariness of operation, and the extended position of the buckle mechanism can be arranged according to the space in front of the car seat.

The operating member 55 is linked with the positioning member 53 to disengage the positioning member 53 from the positioning hole 12 so that the sliding seat 51 and the sliding rod 52 can slide relative to the fixed frame 11 . Optionally, the operating member 55 is pivotally connected between the sliding seat 51 and the positioning member 53 , and the positioning member 53 is disengaged from the positioning hole 12 through the rotation of the operating member 55 . In another embodiment, the operating member 55 may also be a knob or a turning handle, so that the positioning member 53 is disengaged from the positioning hole 12 in a pivoting manner.

Of course, the scope of the utility model cannot be limited by the above two embodiments, so equivalent changes made according to the scope of the patent application of the utility model still belong to the scope covered by the utility model. For example, the operating member of the present utility model can also utilize the chute in a sliding manner as shown in FIG. 53 to move and any other way that can drive the positioning member 53 to break away from the positioning hole 12 .

The end portion of the positioning member 53 restricted by the positioning hole 12 is provided with an inclined edge 58. When the user pushes the fastening mechanism 3, the positioning member 53 can be driven without using the operating member 55, so that the positioning member 53 is separated from the positioning hole 12 where it is located. The buckling mechanism 3 can be telescopically adjusted, or the telescopic control mechanism 5 can be fixed in one direction, so that it is convenient for the user to push the buckling mechanism 3 back to its retracted position 56, as shown in FIGS. 8 and 9 .

As shown in FIG. 3 , FIG. 6 , FIG. 11 and FIG. 12 is the positioning holding mechanism 6 . The positioning and maintaining mechanism 6 is a one-way buckle positioning mechanism. The user can pull out the fastening mechanism 3 from the rear side of the safety seat base 10 and move it to the extended position 57, so that the fastening mechanism 3 can avoid being affected by the safety seat. The shell of the chair base 10 is covered so that the user can align the ISO-FIX joint 4 conveniently. Since the telescopic control mechanism 5 is a one-way buckle positioning mechanism, it can automatically slide and retract the safety seat base 10 after the fastening mechanism 3 moves to the extended position 57, thereby driving the fastening mechanism 3 to retract automatically. The function of the positioning holding mechanism 6 is to fix the fastening mechanism 3 on the protruding position 57 to prevent the fastening mechanism 3 from automatically retracting, so that users can fasten the fastening mechanism 3 and the ISO-FIX connector 4 conveniently.

The positioning and maintaining mechanism 6 includes a stop block 61 , an elastic component 62 and a release lever 63 . Wherein, the stop block 61 has a beveled edge, and is movably disposed on one side of the safety seat base 10 or the fixed frame 11 . The elastic component 62 is fixed to the stop block 61, so that the stop block 61 can keep protruding, thereby preventing the telescopic control mechanism 5 from retracting.

In addition, the positioning and maintaining mechanism 6 further includes a blocked portion 64 cooperating with the stop block 61 to prevent the retraction of the telescopic control mechanism 5 . The blocked portion 64 can be a protrusion or a positioning groove, and is disposed on the end of the sliding rod 52 or the end of the sliding seat 51 . When the buckle mechanism 3 moves to the extended position 57 relative to the safety seat base 10, the blocked portion 64 is blocked by the stop block 61 after passing through the stop block 61, so that the buckle mechanism 3 does not move to the retracted position. 56 moves, and cooperates with the one-way snapping of the positioning member 53 to the positioning hole 12, thereby forming the positioning and fixing state of the fastening mechanism 3.

As shown in FIGS. 11 and 12 , the release lever 63 is movably disposed on the front end of the buckle mechanism 3 . When the fastening mechanism 3 is fastened with the ISO-FIX joint 4 , that is, the pusher 35 of the fastening mechanism 3 is buckled and fixed with the ISO-FIX joint 4 . At this moment, the pushing member 35 moves from the pushing position 70 to the holding position 80 , and the end 65 of the pushing member 35 is exposed. In the process of moving the push member 35, the end 65 pushes the release lever 63 to rotate, and then the release lever 63 drives the stop block 61 to break away from the blocked part 64, thereby releasing the pair of slides of the positioning and holding mechanism 6. At this time, the user can directly pull the buckle mechanism 3 to return to the retracted position 56 .

The working process of the telescopic fastening mechanism of the safety seat base according to the present invention will be described below with reference to FIGS. 1 to 7 .

First, the protruding process of the snap-fit mechanism 3 . The user can pull out the fastening mechanism 3 from the side of the safety seat base 10 through the telescopic control mechanism 5, and restrict the positioning member 53 to the outermost positioning hole 12, and the stop block 64 of the positioning holding mechanism 6 is locked. Restricted by the stop block 61, the fastening mechanism 3 is fixed at the protruding position 57 through double assurance, and then the fastening mechanism 3 and the ISO-FIX joint 4 are fastened and fixed.

Secondly, the retraction process of the snap-fit mechanism 3 . After the fastening mechanism 3 and the ISO-FIX connector 4 are fastened, the user rotates the operating member 55 to make the positioning member 53 break away from the outermost positioning hole 12, even if the fastening mechanism 3 is out of the extended position, and at the same time pushes the release lever 63 so that the stop block 61 releases the restriction on the blocked portion 64. At this time, the buckle mechanism 3 is pushed back to the retracted position, and the positioning member 53 is restricted to be fixed at the positioning hole 12 on the inner side. In this way, the safety seat base 10 is installed on the car seat 30 .

According to the telescopic fastening mechanism of the safety seat base of the utility model, the fastening mechanism fastened to the ISO-FIX joint on the car seat can slide relative to the safety seat base to realize extension or retraction . When the snap-fit mechanism is in the extended position, the user can see where the snap-fit mechanism is fastened to the ISO-FIX connector, instead of groping with the sense of touch as in the traditional fastening, so that the fastening is convenient, fast and accurate.

It should be noted that the telescopic fastening mechanism of the safety seat base of the present utility model is not limited to be used for baby car safety seats, but can also be used for disabled car safety seats or other people who need to be fastened on the fixed seat. Safety seat base on the chair.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. A telescopic fastening mechanism for a safety seat base, characterized in that it comprises: a telescoping control mechanism mounted on the safety seat base and movable relative to the safety seat base; and A pair of fastening mechanisms, the pair of fastening mechanisms are installed on the telescopic control mechanism to move with the telescopic control structure relative to the safety seat base and are suitable for fastening with ISO-FIX joints. 2. The telescopic fastening mechanism according to claim 1, wherein the safety seat base has a fixed frame, and the telescopic control mechanism comprises: A pair of slide bars, the pair of slide bars are respectively slidably installed on both sides of the fixed frame, wherein the pair of fastening mechanisms are respectively installed at one end of the pair of slide bars; a pair of positioning pieces respectively used for positioning the slide bar; and A pair of operating parts for releasing the slide bar so that the slide bar can slide relative to the fixed frame, the pair of operating parts are linked with the pair of positioning parts respectively. 3. The telescopic fastening mechanism according to claim 2, wherein the telescopic control mechanism further comprises a sliding seat, and two sides of the sliding seat are respectively fixed on the pair of sliding rods. 4 . The telescopic fastening mechanism according to claim 2 , wherein at least two positioning holes for positioning the positioning member are provided on each side of the fixing frame. 5. The telescopic fastening mechanism according to claim 4, characterized in that, the telescopic control mechanism further comprises a pair of first elastic components, the first elastic components are respectively connected to the pair of positioning parts, and the The positioning pieces are respectively limited to one of the at least two positioning holes on the corresponding side. 6. The telescopic fastening mechanism according to claim 2, wherein at least two positioning teeth for positioning the positioning member are provided on each side of the fixed frame. 7. The telescopic fastening mechanism according to claim 6, characterized in that the telescopic control mechanism further comprises a pair of first elastic components, the first elastic components are respectively connected with the pair of positioning parts, and the The positioning pieces are respectively limited to one of the at least two positioning teeth on the corresponding side. 8. The telescopic fastening mechanism according to any one of claims 3-7, wherein an inclined edge is provided at the end of the positioning member adjacent to the fixed frame. 9. The telescopic fastening mechanism according to claim 2, further comprising a pair of positioning and maintaining mechanisms, each of which comprises: A stop block for preventing the telescopic movement of the telescopic control mechanism, the stop block is movably arranged on one side of the fixed frame; an elastic component for preventing the retraction of the telescoping control mechanism, the elastic component is connected with the stop block so that the stop block protrudes; and The stop block is used to release the release lever of the telescopic control mechanism, and the release lever is linked with the stop block respectively. 10. The telescopic fastening mechanism according to claim 9, wherein each positioning and maintaining mechanism further includes a blocked portion, and the blocked portion cooperates with the stop blocks respectively to prevent the telescopic control Agency retracted.

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