CN215663076U - ISOFIX device of child safety seat - Google Patents

Abstract

The utility model discloses an ISOFIX device of a child safety seat, which comprises an outer frame, a sliding inner part and a button, wherein the top of the outer frame is provided with a plurality of gear holes, and the side surface of the outer frame is provided with a horizontal sliding chute; the sliding internal part comprises a propelling device, and a clamping hook, a gear adjusting mechanism and a gear locking sheet are arranged in the propelling device; the mobilizable setting of pothook is at the alligator mouth end of advancing device front end, and the mobilizable setting of gear locking piece is in advancing device's rear end, the top of gear locking piece is equipped with can outstanding gear in gear hole, the button is fixed on gear adjustment mechanism to drive slip internals along horizontal spout seesaw, the button promotes gear adjustment mechanism to the rear side earlier, and gear adjustment mechanism promotes in the gear withdrawal advancing device, treats that slip internals slides to the suitable position of frame after, promotes to the front side again gear adjustment mechanism withstands the interlock of pothook, the locking pothook of being convenient for.

Description

ISOFIX device of child safety seat

Technical Field

The utility model mainly relates to the field of automobile child seats, in particular to an ISOFIX device of a child safety seat.

Background

The child safety seat is tied on a car seat for a child to sit on, and the child is tied on the child safety seat through a tying device so as to guarantee the safety of the child. Because the use of the child safety seat can reduce the injury to the child in the event of an emergency brake or accidental collision of the vehicle to the greatest extent, the child safety seat is quickly accepted by consumers and is slowly popularized worldwide. With the widespread use of child safety seats in motor vehicles, new requirements are accordingly placed on the securing mechanisms for securing the child safety seats, and the ISOFIX devices are based on what is happening in such circumstances.

ISOFIX refers to a device for connecting a child restraint system to a vehicle, comprising two rigid fixing points on the vehicle, corresponding rigid connecting means on the child restraint system, and means for limiting the turnover of the child restraint system, and is widely used in child safety seats. Most ISOFIX devices on the market are easy to slide during installation due to internal structure problems. The stability is not strong, so that the child safety seat cannot work normally.

SUMMERY OF THE UTILITY MODEL

In order to achieve the problems, the utility model is realized by the following technical scheme:

the ISOFIX device of the child safety seat comprises an outer frame, a sliding inner part and a button, wherein the top of the outer frame is provided with a plurality of gear holes, and the side surface of the outer frame is provided with a horizontal sliding chute; the sliding internal part comprises a propelling device, and a clamping hook, a gear adjusting mechanism and a gear locking sheet are arranged in the propelling device; the mobilizable setting of pothook is at the alligator mouth end of advancing device front end, and the mobilizable setting of gear locking piece is in advancing device's rear end, the top of gear locking piece is equipped with can outstanding gear in gear hole, the button is fixed on gear adjustment mechanism to drive slip internals along horizontal spout seesaw, the button promotes gear adjustment mechanism to the rear side earlier, and gear adjustment mechanism promotes in the gear withdrawal advancing device, treats that slip internals slides to the suitable position of frame after, promotes to the front side again gear adjustment mechanism withstands the interlock of pothook, the locking pothook of being convenient for.

Further, the gear adjusting mechanism comprises a sliding block, a fixed seat and a metal fixed block; the fixing seat is fixed on the sliding block, a triangular groove is formed in the center of the fixing seat, the metal fixing block is limited between the sliding block and the fixing seat, a triangular through groove matched with the triangular groove is formed in the center of the fixing seat, a rectangular protrusion is arranged at the bottom of the metal fixing block, and the triangular groove and the triangular through groove are overlapped to form a triangular slide way; the sliding block is provided with a sliding block guide post, the sliding block moves back and forth to drive the sliding block guide post to slide among three vertexes, namely point a, point b and point c, of the triangular slideway, so that the metal fixing block is driven to slide up and down in the fixing seat, and the rectangular protrusion is driven to penetrate through the propelling device and the outer frame to stretch back and forth.

Furthermore, the front side of slider sets up the locking push rod, the one end card of locking push rod is gone into the slider, the other end can contact with the pothook, the slider backward motion drives the locking push rod and breaks away from the pothook, the slider moves forward, drives the locking push rod and tightly pushes up the pothook.

Further, gear adjustment mechanism still includes second spring, third spring and fourth spring, the second spring sets up between metal fixed block and fixing base, the one end and the slider of third spring are connected, and the other end is connected with the fixing base, fourth spring one end is fixed with the pothook, and the other end is fixed with the slider.

Further, the front side of gear lock piece still is equipped with a locking recess, and the bottom is equipped with first spring, and when the slider moved to the rear side, the rear end of slider got into and supported the locking recess, drives gear lock piece clockwise rotation, in driving the gear and retracting advancing device casing downwards to the first spring of extrusion bottom, and when the slider moved to the front side, its rear end left the locking recess, first spring kick-backs and promotes the gear salient in gear hole fixed gear.

Furthermore, the locking groove is 7-shaped.

Furthermore, the sliding internal part also comprises an internal part front sleeve and an internal part rear sleeve which are respectively arranged at the front end and the rear end of the propelling device.

The utility model has the beneficial effects that:

the utility model provides an ISOFIX device of a child safety seat, which achieves the locking purpose of the ISOFIX device through double insurance of an upper gear and a lower rectangular protrusion and also enhances the stability of the ISOFIX device during locking.

Drawings

FIG. 1 is a schematic diagram of the ISOFIX apparatus of the present invention;

FIG. 2 is a schematic structural diagram of an outer frame according to the present invention;

FIG. 3 is a schematic structural view of a sliding inner member according to the present invention;

FIG. 4 is a schematic structural view of a propulsion unit housing of the present invention;

FIG. 5 is a schematic view of the slider guide post of the present invention at point a;

FIG. 6 is a schematic view of the slider guide post of the present invention at point b;

FIG. 7 is a schematic view of the slider guide post of the present invention at point c;

FIG. 8 is a schematic view of the structure of the fixing base of the present invention engaged with a metal fixing block;

FIG. 9 is an exploded view of the propulsion device of the present invention;

wherein: 1. an outer frame; 1-1, gear holes; 1-2, a chute; 1-3, fixing holes; 2. a sliding inner member; 3. a button; 4. a propulsion device; 4-1, a propulsion unit housing; 5. the internal part is sleeved in front; 6. the internal part is sleeved with the back; 7. a hook; 8. a gear locking sheet; 8-1, gear; 8-2, locking grooves; 9. a fixing pin; 10. a slider; 10-1, a button insertion hole; 10-2, a slide block guide post; 11. a fixed seat; 12. a metal fixing block; 12-1, rectangular protrusions; 13. locking the push rod; 14. a first spring; 15. a second spring; 16. a third spring; 17. and a fourth spring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 9, an ISOFIX device for a child safety seat, which is disposed at the bottom of the child safety seat and is used for connecting the child safety seat with a car, includes an outer frame 1, a sliding inner member 2, and a button 3, wherein the sliding inner member 2 is disposed in the outer frame 1 and can slide back and forth along the outer frame 1, and the button 3 penetrates through the outer frame 1 and is fixed on the sliding inner member 2.

For convenience of description, it is assumed that fig. 1 is taken as an example, and the left side of fig. 1 is rear, the right side is front, the upper side is upper, and the lower side is lower.

The outer frame 1 is horizontally arranged and is of a hollow strip-shaped cubic structure with a rectangular cross section, a plurality of gear holes 1-1 are uniformly distributed from left to right at the top of the outer frame and used for fixing gears of the sliding inner part 2, a horizontal sliding groove 1-2 is formed in the side face of the outer frame 1, so that the button 3 can conveniently stir the sliding inner part 2 inside along the sliding groove to move, and a fixing hole 1-3 is formed in the bottom of the outer frame and is convenient for the sliding inner part 2 to be fixed with the outer frame 1 from the bottom.

The sliding internal part 2 comprises a propelling device 4, an internal part front sleeve 5 and an internal part rear sleeve 6, one end of the propelling device 4 is of an alligator type and is used for occluding the fixing parts on the child safety seat and the automobile, and the internal part front sleeve 5 and the internal part rear sleeve 6 are respectively arranged at the front end and the rear end of the propelling device 4, so that the propelling device 4 can be fixed, and the wear can be prevented.

The propelling device 4 comprises a propelling device shell 4-1, and a clamping hook 7, a gear adjusting mechanism and a gear locking sheet 8 are sequentially arranged in the propelling device shell 4-1 from front to back.

The gear adjusting mechanism comprises a sliding block 10, a fixed seat 11, a metal fixed block 12, a locking push rod 13, a second spring 15, a third spring 16 and a fourth spring 17.

The hook 7 and the gear locking sheet 8 are movably arranged in the propelling device shell 4-1 through a fixing pin 9, the hook 7 is arranged at the crocodile mouth end at the front end of the propelling device 4, and the gear locking sheet 8 is arranged at the rear end of the propelling device 4. The hook 7 and the gear position locking piece 8 both comprise two identical pieces, as shown in fig. 9, and of course, 1 piece can be provided.

The top of the gear locking piece 8 is provided with a protruded gear 8-1, and a gear hole is arranged at a corresponding position on the top of the propulsion device shell 4-1, so that the gear 8-1 extends out of the gear hole 1-1 of the outer frame 1 to represent the gear position; the bottom of the gear locking piece 8 is provided with a first spring 14, the first spring 14 is always pressed to provide an upward thrust for the gear 8-1, and the front side of the gear locking piece 8 is also provided with a locking groove 8-2 which is 7-shaped.

When the slide block 10 moves towards the rear side, the rear side of the slide block enters and abuts against the locking groove 8-2, the gear locking piece 8 is driven to rotate clockwise, the gear 8-1 is driven to retract downwards into the propulsion device shell 4-1, and the first spring 14 is further extruded; and when the sliding block 10 moves towards the front side and the rear side leaves the locking groove 8-2, the first spring 14 rebounds to push the gear 8-1 to extend out of the gear hole 1-1 of the outer frame 1 to realize gear fixing.

The slider 10 is provided with a button insertion hole 10-1 at the rear side thereof for installing the button 3, so that the button 3 can push the slider 10 to slide back and forth along the propulsion device shell 4-1.

The fixed seat 11 is fixed in the sliding block 10, and the metal fixed block 12 is movably limited between the fixed seat 11 and the sliding block 10 and can slide up and down in the fixed seat 11; the top of the metal fixed block 12 is provided with a second spring 15, the bottom of the metal fixed block 12 is provided with a rectangular protrusion 12-1, and the second spring 15 is compressed between the fixed seat 11 and the metal fixed block 12, so that the second spring 15 always provides downward thrust for the metal fixed block 12, and the rectangular protrusion 12-1 can be pushed to sequentially penetrate through the bottom of the fixed seat 11 and the propelling device shell 4-1 until extending out of the fixed hole 1-3 of the outer frame 1, so that the lower side of the propelling device 4 is conveniently fixed with the outer frame 1.

The center of the fixed seat 11 is provided with a triangular groove, the center of the metal fixed block 12 is provided with a triangular through groove matched with the triangular groove, after assembly, the triangular groove and the triangular through groove are overlapped to form a triangular slideway, and the triangular slideway comprises three vertexes, namely a point a, a point b and a point c, as shown in fig. 5-8.

The fixed seat 11 and the sliding block 10 clamp the metal fixed block 12 between the fixed seat and the sliding block, so that the metal fixed block 12 is limited, the sliding block guide post 10-2 is arranged at the corresponding position of the sliding block 10, and the sliding block guide post 10-2 can slide among the points a, b and c of the triangular slide way. Because the fixed seat 11 can only move left and right along with the sliding block 10, and the metal fixed block 12 can only slide up and down in the fixed seat 11, the sliding block guide post 10-2 driven by the sliding block 10 sliding left and right slides left and right, and the sliding block guide post 10-2 pushes the metal fixed block 12 to move up and down in the fixed seat 11 along the triangular slide way among the points a, b and c. The metal fixing block 12 moves up and down to drive the rectangular protrusion 12-1 to extend back and forth in the fixing hole 1-3 of the outer frame 1.

The front side of fixing base 11 is equipped with third spring 16, the front side of third spring 16 withstands slider 10, the front side of slider 10 sets up locking push rod 13, the mobilizable card of one end of locking push rod 13 is gone into slider 10, the other end and pothook 7 contact. When the slider 10 moves to the front side, the third spring 16 receives a pressing force, and when the slider 10 moves to the rear side, the third spring 16 receives a pulling force, so that the third spring 16 actually functions to assist the return of the slider 10.

One end of the fourth spring 17 is connected with the front side of the sliding block 10, and the other end is connected with the hook 7, so that the hook 7 and the sliding block 10 are pulled.

The working process of the embodiment:

the non-crocodile mouth end of the ISOFIX device is fixed at the bottom of the child seat, when the ISOFIX device is required to be connected with an automobile, a button is pressed, the length of the ISOFIX device is adjusted, and the crocodile mouth end of the ISOFIX device can be conveniently meshed with a fixing piece on the automobile.

The initial state of the ISOFIX device is as follows: the sliding internal part 2 is located at the rearmost side of the outer frame 1, namely the ISOFIX device is shortest at the moment, the gear 8-1 protrudes out of a gear hole 1-1 on the outer frame 1, the metal fixed block 12 is pressed downwards by the second spring 15, a rectangular protrusion 12-1 at the bottom of the metal fixed block 12 extends out of a fixed hole 1-3 of the outer frame 1, a sliding block guide column 10-2 on the sliding block 10 is located at the position a of the triangular sliding groove, the locking push rod 13 is in contact with the hook 7, the hook 7 is pulled by the fourth spring 16, the hook part of the hook 7 tilts upwards, and the hook 7 is in a non-working state at the moment.

When the push button 3 is pressed to provide a pushing force to the sliding block 10 towards the rear side, the sliding block guide post 10-2 on the sliding block 10 is driven to move backwards, the sliding block guide post 10-2 moves from a point a to a point b of the triangular slide way, and the metal fixing block 12 moves upwards along the triangular slide way to drive the rectangular protrusion 12-1 to retract upwards into the pushing device shell 4-1. Meanwhile, the sliding block 10 moves towards the rear side and drives the locking push rod 13 to move towards the rear side, the locking push rod 13 is separated from the hook 7, the rear side of the sliding block 10 abuts against the locking groove 8-2 of the gear locking piece 8, and the gear locking piece 8 rotates clockwise until the gear 8-1 is driven to retract downwards into the propulsion device shell 4-1. Since the shift positions 8-1 and the rectangular protrusions 12-1 are both in the propulsion device housing 4-1, the sliding inner member 2 can be pushed to slide forward in the outer frame 1.

At the moment, the sliding inner part 2 is moved to a proper position of the outer frame 1 through the button 3, namely the hook 7 reaches the position of a fixed part for occluding the automobile, the occluding part of the hook 7 rotates downwards, the button 3 is pressed to push the sliding block 10 to move towards the front side of the ISOFIX device, the rear side of the sliding block 10 is separated from the locking groove 8-2 at the front end of the gear locking piece 8, the first spring 14 rebounds to push the gear 8-1 at the upper end to extend into the gear hole 1-1 at the upper side of the outer frame again, meanwhile, the sliding block guide column 10-2 moves from the point b to the point c, and the locking push rod 13 also moves towards the direction of the hook 7 under the pushing of the sliding block 10 until the locking push rod abuts against the hook 7.

After the hook 7 is occluded with a fixed part of an automobile, the front end of the locking push rod 13 continues to move towards the hook 7 until the hook 7 is tightly pushed and fixed, at the moment, the button 3 is released, the sliding block 10 loses the control of the button 3, the third spring 16 pushes the sliding block 10 to reset, the sliding block guide post 10-2 returns to the point a from the point c, the metal fixed block 12 is pushed to move downwards, the second spring 15 resets, the rectangular bulge 12-1 extends downwards until the rectangular bulge slides to the fixed hole 1-3 at the lower end of the outer frame 1 and is clamped and fixed, so that the locking structure of the ISOFIX device is fixed from the upper side and the lower side through the gear position fixing 8-1 and the rectangular bulge 12-1 respectively, and the purposes of adjusting and locking the ISOFIX device are achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (7)

1. An ISOFIX device of a child safety seat comprises an outer frame (1), a sliding inner part (2) and a button (3), and is characterized in that the top of the outer frame (1) is provided with a plurality of gear holes (1-1), and the side surface of the outer frame is provided with a horizontal chute (1-2); the sliding internal part (2) comprises a propelling device (4), and a clamping hook (7), a gear adjusting mechanism and a gear locking piece (8) are arranged in the propelling device (4); pothook (7) mobilizable setting is at the alligator mouth end of advancing device (4) front end, and mobilizable setting in advancing device (4) of gear lock plate (8) is at the rear end of advancing device (4), the top of gear lock plate (8) is equipped with gear (8-1) that can outstanding in gear hole (1-1), button (3) are fixed on gear adjustment mechanism to drive slip internals (2) along horizontal spout (1-2) seesaw, the button promotes gear adjustment mechanism to the rear side earlier, and gear adjustment mechanism promotes gear (8-1) withdrawal advancing device (4) in, treat that slip internals (2) slide to the suitable position of frame (1) after, promote to the front side again gear adjustment mechanism withstands pothook (7), the interlock of locking pothook (7) of being convenient for.

2. The children's safety seat ISOFIX arrangement according to claim 1, characterized in that said gear adjustment mechanism comprises a slider (10), a holder (11), and a metal fixing block (12); the fixing seat (11) is fixed on the sliding block (10), a triangular groove is formed in the center of the fixing seat, the metal fixing block (12) is limited between the sliding block (10) and the fixing seat (11), a triangular through groove matched with the triangular groove is formed in the center of the fixing seat, a rectangular bulge (12-1) is formed in the bottom of the metal fixing block (12), and the triangular groove and the triangular through groove are overlapped to form a triangular slide way; the sliding block (10) is provided with a sliding block guide post (10-2), the sliding block (10) moves back and forth to drive the sliding block guide post (10-2) to slide among three vertexes a, b and c of the triangular slideway, so that the metal fixing block (12) is driven to slide up and down in the fixing seat (11), and the rectangular protrusion (12-1) is driven to penetrate through the propelling device (4) and the outer frame (1) to extend back and forth.

3. The ISOFIX device of claim 2, characterized in that a locking push rod (13) is arranged on the front side of the slider (10), one end of the locking push rod (13) is clamped into the slider (10), the other end of the locking push rod can be contacted with the hook (7), the slider (10) moves backwards to drive the locking push rod (13) to be separated from the hook (7), and the slider (10) moves forwards to drive the locking push rod (13) to tightly push against the hook (7).

4. The ISOFIX device of child safety seat according to claim 2 or 3, characterized in that, the gear adjustment mechanism further comprises a second spring (15), a third spring (16) and a fourth spring (17), the second spring (15) is disposed between the metal fixed block (12) and the fixed block (11), one end of the third spring (16) is connected with the slider (10), the other end is connected with the fixed block (11), one end of the fourth spring (17) is fixed with the hook (7), and the other end is fixed with the slider (10).

5. The children's safety seat ISOFIX device of claim 2, wherein the front side of the gear position locking piece (8) is further provided with a locking groove (8-2), the bottom is provided with a first spring (14), when the slide block (10) moves to the rear side, the rear end of the slide block (10) enters and abuts against the locking groove (8-2), the gear position locking piece (8) is driven to rotate clockwise, the slide block (8-1) retracts downwards into the propelling device shell (4-1) from the driving gear position and presses the first spring (14) at the bottom, when the slide block (10) moves to the front side, the rear end of the slide block leaves the locking groove (8-2), and the first spring (14) rebounds to push the gear position (8-1) to protrude out of the gear position hole (1-1) for fixing the gear position.

6. The ISOFIX device of claim 5, wherein the locking groove (8-2) is 7-shaped.

7. The children's safety seat ISOFIX apparatus according to claim 1, wherein the sliding inner member (2) further comprises an inner member front sleeve (5) and an inner member rear sleeve (6) respectively disposed at the front and rear ends of the propulsion apparatus (4).

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