Rotatable and telescopic ISOFIX interface and safety seat

Abstract

The utility model discloses a rotatable and telescopic ISOFIX interface and a safety seat, and relates to the technical field of child car seats. Comprising an isofix assembly, the tail end of the isofix assembly is connected with a rotating connector, the relative position of the isofix assembly and the rotating connector is adjustable, and therefore the overall length can be adjusted, and the end, away from the isofix assembly, of the rotating connector serves as a rotating connecting end. According to the isofix assembly, the length of the isofix assembly body is kept unchanged, length adjustment is achieved by adjusting the relative position of the isofix assembly body and the rotary connector, and the technical problem that strength is reduced due to length adjustment is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to children's car seat technical field, specifically is with rotatable telescopic ISOFIX interface and safety seat. BACKGROUND

[0002] In order to improve the safety of children's car, usually add safety seat on the car, the interface between the existing children's safety seat and the car seat is generally connected and fixed with FIX connector, and the FIX connector is located at the bottom of the children's safety seat.

[0003] The existing FIX connector can be further optimized: 1) the FIX connector is fixed on the safety seat and cannot be folded and stored, and occupies space in the non-use state; 2) the FIX connector is adjusted in length by relative sliding of the outer frame and the connector, and the overall strength is reduced after the connector is extended. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of with rotatable telescopic ISOFIX interface and safety seat, can effectively solve the problems in background art.

[0005] The technical scheme to achieve the above-mentioned purpose is: a rotatable telescopic ISOFIX interface, comprising an isofix assembly, a rotary joint connected to the tail end of the isofix assembly, and the relative position of the isofix assembly and the rotary joint is adjustable, so as to realize the adjustment of the overall length, and the end of the rotary joint away from the isofix assembly serves as a rotating connection end.

[0006] Further, the isofix assembly includes an outer frame and a connector fixed in the outer frame, the connector includes a housing, one end of the housing is open, a FIX hook is rotatably installed on the open side of the housing, the other end of the housing is provided with a sliding rack and a lock tooth piece located in the housing, the sliding rack is slidingly arranged in the housing, the lock tooth piece is rotatably installed in the housing, a row of meshing teeth is provided on the sliding rack, one end of the lock tooth piece is rotatably installed in the housing, and the other end is provided with a locking tooth for cooperating with the sliding rack, a compression spring is further installed between the lock tooth piece and the housing to engage the lock tooth piece and the sliding rack;

[0007] A first sliding groove is provided between the housing and the outer frame, a sliding seat fixedly connected with the sliding rack is slidingly arranged in the first sliding groove, the sliding seat protrudes out of the outer frame and is fixed to one end of the rotary joint away from the rotating end;

[0008] A sliding block is provided between the lock tooth piece and the FIX hook, a second sliding groove is provided between the housing and the outer frame, the second sliding groove is located on the opposite side of the first sliding groove, and an unlocking block fixed with the sliding block is slidingly arranged in the second sliding groove;

[0009] The slider is used for positioning or de-positioning the position of the FIX lock hook when the FIX lock hook is in the locked state, and is also used for controlling the disengagement of the locking tooth piece and the sliding rack.

[0010] Further, the locking tooth piece is connected with a protruding unlocking rod, the slider drives the locking tooth piece to rotate by pushing the unlocking rod, so as to realize the disengagement from the sliding rack; when the FIX lock hook is in the locked state, the locking tooth piece and the sliding rack are in the engaged state.

[0011] Further, the engagement tooth is trapezoidal, the tooth groove formed between the locking tooth and the engagement tooth is engaged, and when the locking tooth of the locking tooth piece and the sliding rack are in the engaged state, the ISOFIX assembly can only slide to one side of the rotary joint unidirectionally.

[0012] Another object of the utility model is to provide a safety seat with a rotatable telescopic ISOFIX interface, which comprises a base and a seat body mounted on the base, characterized in that: the back of the base or the seat body is provided with an ISOFIX assembly storage groove, the ISOFIX assembly is rotationally connected with the seat body and can be rotationally stored in the ISOFIX assembly storage groove or rotated to a horizontally extended state arranged towards the back, the tail end of the ISOFIX assembly is connected with a rotary joint, the relative position of the ISOFIX assembly and the rotary joint is adjustable, so that the overall length can be adjusted, and the end of the rotary joint away from the ISOFIX assembly serves as a rotary connection end.

[0013] Further, the ISOFIX assembly comprises an outer frame and a connector fixed in the outer frame, the connector comprises a shell, one end of the shell is an opening, a FIX lock hook is rotationally mounted on the opening side of the shell, the other end of the shell is provided with a sliding rack and a locking tooth piece located in the shell, the sliding rack is slidingly arranged in the shell, the locking tooth piece is rotationally mounted in the shell, a row of engagement teeth are arranged on the sliding rack, one end of the locking tooth piece is rotationally mounted in the shell, and the other end is provided with locking teeth for locking with the sliding rack, a compression spring for pushing the locking tooth piece and the sliding rack to engage is further mounted between the locking tooth piece and the shell.

[0014] A first sliding groove is arranged between the shell and the outer frame, a sliding seat fixedly connected with the sliding rack is slidingly arranged in the first sliding groove, the sliding seat protrudes out of the outer frame and is fixed to the end of the rotary joint away from the rotary end;

[0015] A slider is arranged between the locking tooth piece and the FIX lock hook, a second sliding groove is arranged between the shell and the outer frame, the second sliding groove is located on the opposite side of the first sliding groove, and an unlocking block fixedly connected with the slider is slidingly arranged in the second sliding groove.

[0016] The slider is used for positioning or de-positioning the position of the FIX lock hook when the FIX lock hook is in the locked state, and is also used for controlling the disengagement of the locking tooth piece and the sliding rack.

[0017] Further, the lock tooth piece is connected with a protruding unlocking rod, the sliding block drives the lock tooth piece to rotate by pushing the unlocking rod, so that the sliding rack is separated; when the FIX lock hook is in the locking state, the lock tooth piece and the sliding rack are in the meshing state.

[0018] Further, the iisofix assembly receiving groove is provided with a limiting assembly for limiting the iisofix assembly in the receiving state on one side of the middle part, and the limiting assembly is installed on one side of the iisofix assembly receiving groove through an elastic element, and the limiting is released by pressing the limiting assembly inward.

[0019] Further, the iisofix assembly receiving groove is provided with a supporting platform for providing support when the iisofix assembly is rotated to the horizontal extension state.

[0020] The beneficial effects of the utility model are: 1) the iisofix assembly can be received into the iisofix assembly receiving groove and limited by the limiting assembly when not in use, the whole is more beautiful, and the space occupation is reduced; 2) the length of the body of the iisofix assembly remains unchanged, the length adjustment is realized by adjusting the relative position of the rotating joint, and the technical problem of strength reduction caused by length adjustment is avoided; 3) the sliding block is used for positioning or releasing the position of the FIX lock hook, and is also used for controlling the lock tooth piece and the sliding rack to disengage, has double functions, and makes the product structure more simple. DRAWINGS

[0021] Figure 1 It is a perspective view of the iisofix assembly;

[0022] Figure 2 It is a top view of the iisofix assembly;

[0023] Figure 3 It is a perspective view of the internal structure of the iisofix assembly;

[0024] Figure 4 It is a sectional view of the internal structure of the iisofix assembly;

[0025] Figure 5 It is a side view of the iisofix assembly;

[0026] Figure 6 It is a first sectional view of the sliding rack and the lock tooth piece in the iisofix assembly in the meshing state;

[0027] Figure 7 It is a second sectional view of the sliding rack and the lock tooth piece in the iisofix assembly in the meshing state;

[0028] Figure 8Figure 1 is a first sectional view of the isofix assembly in a disengaged state of the sliding rack and the locking tooth piece;

[0029] Figure 9 Figure 2 is a second sectional view of the isofix assembly in a disengaged state of the sliding rack and the locking tooth piece;

[0030] Figure 10 Figure 3 is a schematic view of the isofix assembly in a locked state;

[0031] Figure 11 Figure 4 is a perspective view of the utility model;

[0032] Figure 12 Figure 5 is a partial enlarged view of the utility model; Figure 11

[0033] Figure 13 Figure 6 is a schematic view of the isofix assembly in a horizontal extension state;

[0034] Figure 14 Figure 7 is a schematic view of the isofix assembly in a storage state;

[0035] Figure 15 Figure 8 is a partial schematic view of the utility model; DETAILED DESCRIPTION

[0036] As shown in Figures 1-9 The utility model discloses an ISOFIX interface, including isofix assembly 2, the tail end of isofix assembly is connected with swivel joint 5, and the opposite position of isofix assembly 2 and swivel joint 5 is adjustable, to be able to realize the adjustment of overall length, and the one end of swivel joint 5 is connected with the rotating shaft axle 30 away from isofix assembly 2.

[0037] The isofix assembly 2 includes outer frame 10 and the connector 11 fixed in outer frame 10, the connector 11 includes the casing 12, and the casing 12 one end is open 13, and the open side of casing 12 is rotatably installed with FIX hook 18, and the outer side end of FIX hook 18 is provided with the lock groove 29 of the open downward, and the other end of casing 12 is provided with the sliding rack 14 and the locking tooth piece 15 in the casing 12, and the one end of swivel joint 5 is fixedly connected with sliding rack 14 through sliding seat 16 away from rotating end, and first sliding slot 17 is arranged between casing 12 and outer frame 10, and sliding seat 16 and first sliding slot 17 are slidably matched.

[0038] ​The sliding rack 14 is slidingly arranged in the housing 12, and a row of engagement teeth 41 is arranged on the sliding rack 14. One end of the lock tooth piece 15 is rotatably arranged in the housing 12, and the other end is provided with a locking tooth 42 for engaging with the engagement teeth 41. A compression spring 22 is further arranged between the lock tooth piece 15 and the housing 12 to push the locking tooth 42 on the lock tooth piece 15 to engage with the sliding rack 14.

[0039] The engagement teeth 41 are trapezoidal, and the locking teeth 42 are engaged with the tooth slots formed between the engagement teeth 41. The angle a between the tooth surface A of the engagement teeth 41 and the horizontal line is less than 45°, and the angle b between the tooth surface B of the engagement teeth 41 and the horizontal line is greater than 75°. When the locking tooth 42 of the lock tooth piece 15 and the sliding rack 14 are in the engaged state, the isofix assembly 2 can only slide unidirectionally to one side of the rotary joint 5.

[0040] The sliding block 19 is arranged between the FIX lock hook 18 and the lock tooth piece 15. The FIX lock hook 18 is connected with the sliding block 19 through the tension spring 28. The tail of the FIX lock hook 18 is provided with a clamping groove 26. The end of the sliding block 19 close to the FIX lock hook 18 is provided with a FIX lock hook step 27. When the FIX lock hook 18 is rotated to the locked state, the sliding block 19 is pulled forward by the tension spring 28, and the clamping groove 26 at the tail of the FIX lock hook 18 is clamped on the FIX lock hook step 27 at the end of the sliding block 19.

[0041] The second sliding groove 20 is arranged between the housing 12 and the outer frame 10. The unlocking block 21 is slidingly arranged in the second sliding groove 20 and is fixed with the sliding block 19.

[0042] The unlocking lever 23 is connected to the lock tooth piece 15 and protrudes outward vertically. The through hole 24 is formed in the sliding block 19, and the unlocking lever 23 penetrates into the through hole 24. The side of the through hole 24 close to the FIX lock hook 18 is provided with the inclined surface 25.

[0043] As shown in Figure 6 , 7 , when the FIX lock hook 18 is in the unlocked state and the sliding block 19 is not pushed by external force, the unlocking lever 23 penetrates into the through hole 24. The locking tooth 42 of the lock tooth piece 15 is in the engaged state under the pushing force of the compression spring 22. At this time, the isofix assembly 2 can only adjust the position to one side of the rotary joint 5.

[0044] As shown in Figure 8 , 9 , when the FIX lock hook 18 is in the unlocked state and the sliding block 19 is moved away from the FIX lock hook 18 by external force, the inclined surface 25 pushes the locking tooth 42 of the lock tooth piece 15 away from the sliding rack 14 through the unlocking lever 23, so that the isofix assembly 2 can adjust the position relative to the rotary joint 5.

[0045] As shown inFigure 10 As shown in the figure, when the FIX hook 18 rotates clockwise to the locked state, the clamping groove 26 is clamped on the FIX hook step 27 at the end of the slider, at this time, the locking teeth 42 of the lock tooth piece 15 are in meshing state with the sliding gear 14 under the pushing force of the compression spring 22, the isofix assembly 2 can only adjust the position to one side of the rotary joint 5, only by manually sliding the slider 19 to the left, the FIX hook 18 can be separated from the FIX hook step 27, and the isofix assembly 2 is unlocked.

[0046] As shown in the figure, the utility model discloses a safety seat, including base (not shown in the drawing) and seat body 1, the back of base or seat body 1 is provided with isofix assembly storage groove 3, and the utility model structure is specifically explained by taking the back of seat body 1 as an example, the ISOFIX interface is rotatably installed in the isofix assembly storage groove 3 through the rotary shaft 30 at the end of rotary joint 5, the isofix assembly 2 can be rotatably stored in the isofix assembly storage groove 3 or rotatably set to the horizontally extended state to the back, the isofix assembly storage groove 3 is provided with the support platform 4 for providing support when the isofix assembly 2 is rotatably set to the horizontally extended state to the back. Figures 11-15

[0047] One side of the middle part of the isofix assembly storage groove 3 is provided with a limiting assembly 6 for limiting the isofix assembly 2 in the storage state, and the limiting assembly 6 comprises a groove 7 provided on the side wall of the isofix assembly storage groove 3, a limiting clamp 8 is installed in the groove 7, the outer end of the limiting clamp 8 is rotatably installed in the groove 7, and the inner end is connected with the groove bottom of the groove 7 through a spring 9, the inner end of the limiting clamp 8 protrudes from the groove 7 and is limited to be arranged on the outer side of the isofix assembly 2 under the action of the spring 9.

[0048] When the isofix assembly 2 needs to be turned out, the limiting clamp 8 is pressed inward by fingers, and the isofix assembly 2 is turned out of the seat body 1 under the action of gravity.​

Claims

1. A rotatable and retractable ISOFIX interface, comprising an ISOFIX component, characterized in that: The tail end of the isofix assembly is connected to a rotary joint. The relative position of the isofix assembly and the rotary joint is adjustable, thereby enabling the overall length to be adjusted. The end of the rotary joint away from the isofix assembly serves as the rotating connection end. The isofix assembly includes an outer frame and a connector fixed inside the outer frame. The connector includes a housing with an opening at one end. A FIX locking hook is rotatably mounted on the opening side of the housing. The other end of the housing is provided with a sliding rack and a locking tooth plate located inside the housing. The sliding rack is slidably disposed inside the housing, and the locking tooth plate is rotatably mounted inside the housing. The sliding rack is provided with a row of meshing teeth. One end of the locking tooth plate is rotatably mounted inside the housing, and the other end is provided with locking teeth for engaging with the sliding rack for locking. A compression spring is also installed between the locking tooth plate and the housing to push the locking tooth plate to engage with the sliding rack. A first sliding groove is provided between the housing and the outer frame. A sliding seat that is fixedly connected to the sliding rack is slidably disposed in the first sliding groove. The sliding seat protrudes from the outer frame and is fixed to the end of the rotary joint away from the rotating end. A slider is provided between the locking tooth plate and the FIX locking hook, and a second sliding groove is provided between the housing and the outer frame. The second sliding groove is located on the opposite side of the first sliding groove, and an unlocking block fixed to the slider is slidably disposed in the second sliding groove. The slider is used to position or release the FIX hook when it is locked, and also to control the disengagement of the locking teeth from the sliding rack.

2. A rotatable and retractable ISOFIX interface according to claim 1, characterized in that: The locking teeth are connected to a protruding unlocking rod. The slider pushes the unlocking rod to drive the locking teeth to rotate, thereby separating them from the sliding rack. When the FIX lock hook is in the locked state, the locking teeth and the sliding rack are engaged.

3. The rotatable and retractable ISOFIX interface according to claim 1, characterized in that: The meshing teeth are trapezoidal, and the grooves formed between the locking teeth and the meshing teeth engage. When the locking teeth of the locking plate and the sliding rack are engaged, the isofix assembly can only slide unidirectionally to the rotary joint side.

4. A child safety seat, comprising a base and a seat body mounted on the base, characterized in that: The back of the base or seat body is provided with an ISOFIX component storage slot. The ISOFIX component is rotatably engaged with the seat body and can be rotatably stored in the ISOFIX component storage slot or rotated to a horizontally extended state facing backward. The ISOFIX component is the ISOFIX interface as described in any one of claims 1-3.

5. The safety seat according to claim 4, characterized in that: A limiting component is provided on one side of the middle of the ISOFIX component storage slot to limit the position of the ISOFIX component in the storage state. The limiting component is installed on one side of the ISOFIX component storage slot by an elastic element, and the limiting component is released by pressing it inward.

6. The child safety seat according to claim 5, characterized in that: The isofix component storage slot is equipped with a support platform to provide support when the isofix component is rotated to the horizontally extended position.

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