CN214822752U - ISOFIX device and children's safety seat - Google Patents

Abstract

The utility model discloses an ISOFIX device and children's safety seat, this ISOFIX device includes ISOFIX main part and installs the unblock button subassembly in the ISOFIX main part, wherein, the resetting of first way latch hook and second way latch hook uses a heterotypic torsional spring in the ISOFIX main part; the unlocking button assembly comprises an ISOFIX button, two locking buttons, two locking and unlocking pins and a FIX locking and unlocking pin, one end of each locking and unlocking pin is arranged between the top of the second locking hook and the second table top, the other end of each locking and unlocking pin is connected with the two locking buttons, one end of each FIX locking and unlocking pin is connected with the unlocking connecting piece, and the other end of each locking and unlocking pin is connected with the ISOFIX button. The utility model discloses have the stopping function, when needing the unblock, it is just effective that must unlock button and two lock buttons press simultaneously, has effectively avoided the misuse lock, improves children's safety seat's security.

Description

ISOFIX device and children's safety seat

Technical Field

The utility model belongs to the technical field of children's safety seat and specifically relates to an ISOFIX device and children's safety seat are related to.

Background

At present, the society pays more and more attention to the child safety seat, and the child safety seat is also popularized and used, the requirement on the child safety seat is higher and higher, and higher requirements are also put forward on the design of the child safety seat for the comfort and the safety of the child.

Most children's safety seat often can contract inwards before the locking at the in-process ISOFIX of installing car seat in the market, leads to the installation very inconvenient, if do not have two locks functions after the dress, has certain probability operation unblock button and can cause the unblock of ISOFIX connector in long-term use to cause the mistake unblock of connection, lead to the security to receive the influence.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an ISOFIX device and children's safety seat, the technical scheme of the utility model as follows:

an ISOFIX apparatus comprising an ISOFIX body and an unlock button assembly mounted on the ISOFIX body, wherein,

the ISOFIX main body comprises a FIX plate, an unlocking connecting piece, a first lock hook, a button fixing pin and a second lock hook, wherein the first lock hook and the second lock hook are both in pin connection with the FIX plate, a first through hole matched with the first lock hook is formed in the top of the FIX plate, and a second through hole matched with the second lock hook is formed in the bottom of the FIX plate; one end of the button fixing pin is sleeved with a torsion spring and connected with the FIX plate, the other end of the button fixing pin is connected with the unlocking button assembly, the top of the torsion spring is fixed on the FIX plate, the left side of the torsion spring is abutted against a second table top of the second lock hook, and the right side of the torsion spring is abutted against a first table top of the first lock hook; the right side of the unlocking connecting piece is abutted against the bottom of the first locking hook, and the bottom of the unlocking connecting piece is provided with a strip hole matched with the second locking hook;

the unlocking button assembly comprises an ISOFIX button, a second locking and unlocking pin and a FIX locking and unlocking pin, one end of the second locking and unlocking pin is arranged between the top of the second locking hook and the second table surface, the other end of the second locking and unlocking pin is connected with the second locking button, one end of the FIX locking and unlocking pin is connected with the unlocking connecting piece, and the other end of the FIX locking and unlocking pin is connected with the ISOFIX button.

Preferably, unblock button assembly still includes button base, two lock torsional springs and pressure spring, ISOFIX button and two lock buttons are crisscross to be set up in the button base, the pressure spring sets up between two lock buttons and ISOFIX button, the one end butt ISOFIX button's diapire of two lock torsional springs, the other end and two lock button connections, two lock button's top is provided with the boss, be provided with on the ISOFIX button with the recess of boss looks adaptation.

Preferably, the ISOFIX main part still includes latch hook, latch hook extension spring and unblock strip, one side of unblock strip is connected with the left side of unblock connecting piece, the opposite side of unblock strip blocks the right side locking terminal surface of latch hook, the one end and the latch hook of latch hook extension spring are connected, and the other end is connected with the unblock strip.

Preferably, a locking hole matched with the locking hook is formed in the left side of the FIX plate.

Preferably, still include the base, sliding connection between FIX board and the base, the top of base is provided with a plurality of and first latch hook and the first through-hole looks adaptation one lock gear groove, the bottom of base is provided with a plurality of and second lock hook and second through-hole looks adaptation two lock gear grooves.

Preferably, the base includes base and gear strip, the joint between base and the gear strip.

Preferably, a sliding hole is formed on a side surface of the base.

Preferably, the second way latch hook is through two lock latch hook round pin swivelling joint and FIX inboard, the right side of unblock connection is provided with the inclined plane, two lock latch hook round pins are located FIX board and the upper left side of second way latch hook contact point and with the inclined plane butt.

Preferably, the lock further comprises a rivet pin, a protrusion is arranged on the right side of the first lock hook, and the rivet pin is arranged between the bottom of the first lock hook and the protrusion.

A child safety seat provided with an ISOFIX device as claimed in any preceding claim.

The utility model has the advantages of it is following:

1) the utility model has the function of stopping, when in installation, the safety seat can be pushed to be in close contact with the automobile seat only after the ISOFIX is locked on the automobile seat;

2) when the automobile seat cushion is used in a driving process, the FIX plate is fixed in the base and cannot slide in the direction away from the automobile seat fixed with the FIX plate, and when the automobile has rear-end collision and other accidents, the situation that the head of a child collides with a front-row automobile seat due to the fact that the base slides relative to the ISOFIX plate can be avoided;

3) the utility model discloses when needing the unblock, it is just effective that must unblock button and two lock buttons press simultaneously, has effectively avoided the misunderstanding lock, improves children's safety seat's security.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

FIG. 1 is an exploded view of an ISOFIX apparatus in one embodiment;

FIG. 2 is a schematic diagram of an ISOFIX apparatus according to one embodiment;

FIG. 3 is an exploded view of an ISOFIX body and unlock button assembly of an ISOFIX device in one embodiment;

FIG. 4 is a cross-sectional view of a first locking mechanism of an ISOFIX device in one embodiment when locked;

FIG. 5 is a cross-sectional view of a second lock mechanism in an ISOFIX device in one embodiment when locked;

FIG. 6 is a schematic diagram of the structure of an ISOFIX body in an ISOFIX apparatus in one embodiment;

FIG. 7 is a cross-sectional view of an ISOFIX body in an ISOFIX device in accordance with one embodiment when the FIX button and the two-way lock button are simultaneously actuated;

FIG. 8 is a schematic diagram of an unlock button assembly of an ISOFIX device in one embodiment;

FIG. 9 is a cross-sectional view of a FIX button of an ISOFIX device in a locked state in accordance with one embodiment of the invention;

FIG. 10 is a cross-sectional view of a FIX button of an ISOFIX device in a locked state in one embodiment 2;

FIG. 11 is a cross-sectional view of a FIX button of an ISOFIX device in an unlocked state in one embodiment 1;

FIG. 12 is a cross-sectional view of a FIX button of an ISOFIX device in an unlocked state in one embodiment 2;

FIG. 13 is a schematic diagram of an unlocking connection in an ISOFIX device in one embodiment;

fig. 14 is a schematic diagram of a first latch hook of an ISOFIX apparatus according to an embodiment.

In the figures, the various reference numbers are:

1-base seat, 2-gear bar, 3-FIX plate right, 4-unlocking bar, 5-unlocking connector, 501-inclined plane, 502-bar hole, 6-lock hook, 601-locking end face, 7-FIX plate left, 8-ISOFIX button, 801-groove, 9-button base, 10-secondary lock button, 101-boss, 11-first lock hook, 111-first table top, 112 bulge, 12-torsion spring, 13-second lock hook, 131 second table top, 14-secondary lock hook pin, 15-secondary lock unlocking pin, 16-FIX unlocking pin, 17-button fixed pin, 18-rivet pin, 19-secondary lock torsion spring, 20-compression spring and 21-lock hook tension spring.

Detailed Description

In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning 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 14, an ISOFIX apparatus includes an ISOFIX body and an unlocking button assembly mounted on the ISOFIX body, wherein,

the ISOFIX main part includes base, FIX board, unblock connecting piece 5, first latch hook 11, torsional spring 12 and second way latch hook 13, and the base includes base 1 and gear strip 2, joint between base 1 and the gear strip 2, is provided with the slide opening on the side of base for two lock unblock pin 15, FIX release 16 and button fixed pin 17 pass through. FIX board left 7 and FIX board right 3 make up the FIX board, sliding connection between FIX board and the base, torsional spring 12 is established and is connected with the FIX board to the pot head of button fixed pin 17, and the other end is connected with the unblock button subassembly, first latch hook 11 pin joint is inboard with FIX, second latch hook 13 is through two latch hook round pin 14 swivelling joints and FIX inboard, two latch hook round pin 14 are located torsional spring 12 and the upper left side of second latch hook 13 butt joint point, the top of FIX board is provided with the first through-hole with first latch hook 11 looks adaptation, the bottom of FIX board is provided with the second through-hole with second latch hook 13 looks adaptation, be provided with a plurality of on the gear strip 2 at the top of base and lock the gear groove of first latch hook 11 and first through-hole looks adaptation, the bottom of base is provided with a plurality of second lock gear groove with second latch hook 13 and second through-hole looks adaptation, the top of the torsion spring 12 is fixed on a FIX plate, the left side of the torsion spring is abutted against the second table surface 131 of the second lock hook 13, the right side of the torsion spring is abutted against the first table surface 111 of the first lock hook 11, the right side of the unlocking connecting piece 5 is abutted against the bottom of the first lock hook 11, the right side of the first lock hook 11 is provided with a bulge 112, the rivet pin 18 is arranged between the bottom of the first lock hook 11 and the bulge, and the unlocking connecting piece 5 is provided with a strip hole 502 matched with the second lock hook 13;

the unlocking button assembly comprises an ISOFIX button 8, a second locking button 10, a second locking unlocking pin 15 and a FIX unlocking pin 16, one end of the second locking unlocking pin 15 is arranged between the top of the second locking hook 13 and the second table surface 131, the other end of the second locking unlocking pin is connected with the second locking button 10, one end of the FIX unlocking pin 16 is connected with the unlocking connecting piece 5, and the other end of the FIX unlocking pin is connected with the ISOFIX button 8.

When the child safety seat needs to be unlocked, the ISOFIX button 8 and the two-way lock button 10 are pressed simultaneously to be effective, so that the mistaken unlocking is effectively avoided, and the safety of the child safety seat is improved.

When the automobile is used, first latch hook 11 is the gliding one-way locking mechanical system of direction of preventing the base to keeping away from the FIX board, when children's safety seat normal use, first latch hook 11 card is gone into one and is locked the gear inslot promptly in first latch mechanism locking, second latch mechanism unblock is that second way latch hook 13 breaks away from two and locks the gear inslot promptly, the base can slide to the direction of drawing close with the FIX board, after the automobile impact makes ISOFIX coupling assembling atress, first latch mechanism locks, the rigidity between base and the FIX board, can not slide toward the car seat direction of breaking away from its fixing.

In one embodiment, as shown in fig. 9, the unlocking button assembly further includes a button base 9, a two-way lock torsion spring 19 and a pressure spring 20, the ISOFIX button 8 and the two-way lock button 10 are alternately disposed in the button base 9, the pressure spring 20 is disposed between the two-way lock button 10 and the ISOFIX button 8, one end of the two-way lock torsion spring 10 abuts against the bottom wall of the ISOFIX button 8, the other end of the two-way lock torsion spring is connected with the two-way lock button 10, a boss 101 is disposed on the top of the two-way lock button 10, and a groove 801 matched with the boss 101 is disposed on the ISOFIX button 10.

Because two lock torsional spring 19 one end is fixed on two lock buttons 8, and the other end supports the ISOFIX button all the time and makes two lock button 10 have ascending power all the time, and pressure spring 20 one end supports the other end of ISOFIX button 8 and supports two lock button 10, makes both repel each other all the time under the natural state, combines two lock torsional spring 19 to apply ascending power for the boss 101 card of two lock button 10 is in ISOFIX button 8's recess 801. When unlocking is needed, if the ISOFIX button 8 is directly pressed and cannot be pressed, the secondary lock button 10 needs to be pressed down first and kept as shown in FIG. 11, so that the boss 101 of the secondary lock button 10 is separated from the groove 801 on the ISOFIX button 8. Pressing the ISOFIX button 8 to move to the right is shown in fig. 12.

In one embodiment, the ISOFIX main body further comprises a locking hook 6, a locking hook tension spring 21 and an unlocking bar 4, one side of the unlocking bar 4 is connected with the left side of the unlocking connecting piece 5, the other side of the unlocking bar 4 clamps a locking end surface 601 on the right side of the locking hook 6, one end of the locking hook tension spring 21 is connected with the locking hook 6, and the other end of the locking hook tension spring is connected with the unlocking bar 4; and a lock hole matched with the lock hook 6 is formed in the left side of the FIX plate.

Have the stopping function when installation children's safety seat, initial condition is shown as figure 5 down, first latch hook 11 breaks away from one lock gear inslot promptly for the unblock of first locking mechanism, the second latch mechanism locking is in two lock gear grooves are gone into to second lock hook 13 card promptly, ISOFIX device can not contract toward children's safety seat is inside this moment, only after 6 locks of latch hook are on children's safety seat, the locking of first locking mechanism, the unblock of second locking mechanism is as figure 4, ISOFIX device just can contract toward safety seat is inside, promote safety seat and make its and car seat in close contact with, very big consumer's installation of having made things convenient for.

The use principle is as follows:

1. the cross-sectional view of the first lock mechanism during locking is shown in fig. 4, the left end of the FIX unlocking bar 4 is clamped on the locking end face 601 at the right end of the lock hook 6, meanwhile, one end of the lock hook tension spring 21 pulls the lock hook 6, and the other end pulls the FIX unlocking bar 4, so that the lock hook 6 always has a clockwise rotation tendency force, the ISOFIX is in a locking state, at the moment, the first lock hook 11 is always subjected to an upward force given by the torsion spring 12, meanwhile, the right side of the lock hook 11 is abutted against the riveting pin 18, so that the first lock hook 11 is always in the state, and the top of the first lock hook is clamped in a lock gear groove of the gear bar 2. The first lock mechanism is thus locked so that ISOFIX cannot be disengaged from the car seat. At this time, the unlocking connecting piece 5 is located at the leftmost end, and the right inclined surface 501 of the unlocking connecting piece lifts the second locking hook pin 14 upwards to drive the second locking hook 13 to rotate anticlockwise, so that the bottom of the second locking hook 13 is separated from the second locking gear groove. Therefore, the inner part can be pushed at the moment, when the inner part is pushed, the gear strip 2 enables the first lock hook 11 to press the torsion spring 12 to rotate anticlockwise, and when the top of the first lock hook 11 meets a lock gear groove, the torsion spring 12 enables the lock hook 11 to rotate clockwise to lock again.

2. The structure of the unlocking button assembly is as shown in fig. 8, one end of a second lock torsion spring 19 is fixed on a second lock button 10, the other end of the second lock torsion spring always abuts against the ISOFIX button 8, as shown in fig. 9, the second lock button 10 always has an upward force, one end of a compression spring 20 abuts against the other end of the ISOFIX button 8 and abuts against the second lock button 10, the two lock buttons are always repelled in natural states, and an upward force is applied by combining the second lock torsion spring 19, so that a boss 101 of the second lock button 10 is clamped in a groove 801 of the ISOFIX button 8. When unlocking is required, if the ISOFIX button 8 is directly pressed and cannot be pressed, the secondary lock button 10 needs to be pressed down first and kept as shown in FIG. 11, so that the boss 101 of the secondary lock button 10 is separated from the groove 801 on the ISOFIX button 8. Pressing the ISOFIX button 8 again moves it to the right as shown in fig. 12.

3. The FIX unlocking pin 16 is fixed in the ISOFIX button 8 at one end and in the unlocking link 5 at the other end. One end of a two-way lock unlocking pin 15 is fixed on the ISOFIX button 8, when the ISOFIX is unlocked, the two-way lock button 10 is pressed down and moved to the left, and then the ISOFIX button 8 is pressed and moved to the right as shown in figure 12. The ISOFIX button 8 drives the FIX unlocking pin 16 to move rightwards, so that the unlocking bar 4 is separated from the locking end face 601 of the locking hook 6, the secondary lock torsion spring 19 drives the locking hook 6 to rotate anticlockwise, the ISOFIX is unlocked as shown in fig. 7, the secondary lock button 10 drives the secondary locking unlocking pin 15 to move forwards, and the secondary locking hook 13 is pushed to rotate anticlockwise. So that the lock is separated from the two lock gear grooves. All locking mechanisms are unlocked at the moment, and the FIX plate can stretch and retract left and right in the base.

When the ISOFIX button 8 and the second lock button 10 are released in the above state, the state of FIG. 9 is reset again under the action of the compression spring 20 and the second lock torsion spring 19. At this time, the second unlocking lock pin 15 returns to the rightmost end as shown in fig. 5, under the action of the torsion spring 12, the second lock hook 13 rotates downwards to be clamped in the second lock gear groove of the ISOFIX base, and because the second lock hook pin 14 is positioned on the left side of the contact point of the second lock hook 13 and the second lock gear groove and is higher than the contact point, the second lock hook 13 can only rotate anticlockwise after being locked, and meanwhile, the rightmost end of the unlocking connecting piece 5 pushes the first lock hook 11 to rotate anticlockwise so as to be separated from the first lock gear groove of the gear bar 2, so that the first lock mechanism is unlocked. In the state that the locking hook corresponding to the ISOFIX is unlocked and the automobile seat is not in the locked state, if the ISOFIX button is not pressed, the FIX plate can only move outwards relative to the base. When this state corresponds in the in-service use and installs children's safety seat to car seat, ISOFIX's latch hook just can contract inwards after hooking car seat anchor point, has greatly made things convenient for the installation.

Obviously, the above is an example of the ISOFIX device and the child safety seat of the present invention, and the above example is only an example for clearly illustrating the present invention, and is not a limitation to the embodiments of the present invention, and for those skilled in the art, other variations or changes can be made on the basis of the above description, and all embodiments cannot be exhausted here, and all obvious variations or changes that belong to the technical solution of the present invention are still in the protection scope of the present invention.

Claims (10)

1. An ISOFIX apparatus comprising an ISOFIX body and an unlocking button assembly mounted on the ISOFIX body, wherein,

the ISOFIX main body comprises a FIX plate, an unlocking connecting piece, a first lock hook, a button fixing pin and a second lock hook, wherein the first lock hook and the second lock hook are both in pin connection with the FIX plate, a first through hole matched with the first lock hook is formed in the top of the FIX plate, and a second through hole matched with the second lock hook is formed in the bottom of the FIX plate; one end of the button fixing pin is sleeved with a torsion spring and connected with the FIX plate, the other end of the button fixing pin is connected with the unlocking button assembly, the top of the torsion spring is fixed on the FIX plate, the left side of the torsion spring is abutted against a second table top of the second lock hook, and the right side of the torsion spring is abutted against a first table top of the first lock hook; the right side of the unlocking connecting piece is abutted against the bottom of the first locking hook, and the bottom of the unlocking connecting piece is provided with a strip hole matched with the second locking hook;

the unlocking button assembly comprises an ISOFIX button, a second locking and unlocking pin and a FIX locking and unlocking pin, one end of the second locking and unlocking pin is arranged between the top of the second locking hook and the second table surface, the other end of the second locking and unlocking pin is connected with the second locking button, one end of the FIX locking and unlocking pin is connected with the unlocking connecting piece, and the other end of the FIX locking and unlocking pin is connected with the ISOFIX button.

2. The ISOFIX device of claim 1, wherein the unlocking button assembly further comprises a button base, two locking torsion springs and a pressure spring, the ISOFIX button and the two locking buttons are arranged in the button base in a staggered manner, the pressure spring is arranged between the two locking buttons and the ISOFIX button, one end of the two locking torsion springs abuts against the bottom wall of the ISOFIX button, the other end of the two locking torsion springs is connected with the two locking buttons, a boss is arranged on the top of the two locking buttons, and a groove matched with the boss is arranged on the ISOFIX button.

3. The ISOFIX device of claim 1, wherein the ISOFIX body further comprises a locking hook, a locking hook tension spring and an unlocking bar, one side of the unlocking bar is connected with the left side of the unlocking connector, the other side of the unlocking bar locks the right locking end face of the locking hook, one end of the locking hook tension spring is connected with the locking hook, and the other end of the locking hook tension spring is connected with the unlocking bar.

4. An ISOFIX apparatus according to claim 3, wherein the left side of said FIX plate is provided with a locking hole adapted to a locking hook.

5. The ISOFIX device according to claim 1, further comprising a base, wherein the FIX board is slidably connected to the base, the top of the base is provided with a plurality of first locking notches matching with the first locking hooks and the first through holes, and the bottom of the base is provided with a plurality of second locking notches matching with the second locking hooks and the second through holes.

6. The ISOFIX device of claim 5, wherein said base comprises a base and a gear bar, said base and gear bar being clamped together.

7. An ISOFIX assembly according to claim 5, wherein said base is provided with slide holes on its sides.

8. The ISOFIX apparatus of claim 1, wherein the second lock hook is rotatably connected to the FIX plate by a second lock hook pin, the right side of the unlock connection is provided with an inclined surface, and the second lock hook pin is located above and to the left of the contact point of the FIX plate and the second lock hook and abuts against the inclined surface.

9. The ISOFIX apparatus of claim 1, further comprising a rivet pin, wherein a protrusion is disposed on a right side of the first latch hook, and the rivet pin is disposed between a bottom of the first latch hook and the protrusion.

10. A child safety seat characterised in that an ISOFIX device as claimed in any of claims 1 to 9 is provided on the child safety seat.

Images