Indicating device for child safety seats

Abstract

The present application relates to a kind of indicating device and child safety seat, indicating device includes shell, indicating mechanism, indication driving mechanism, limit block and limit driving mechanism, the indicating device work, limit block is moved by limit driving mechanism drive, so that limit block moves to non-blocked position, then indication driving mechanism is driven by indication piece, so that indication piece changes indicating position, this makes the information indicated by indication piece more accurate, will not cause misindication because of misoperation etc. Child safety seat is provided with the above indicating device, when seat is installed on base, indication driving piece and limit driving piece are driven respectively to make indication piece move and change indicating position, it is convenient for user to know whether seat is installed in place according to the indication information of indication piece, avoid safety problem caused by the accidental movement of seat relative to base.

Description

Technical Field

[0001] This invention relates to the field of children's products, and more particularly to an indicator device and a child safety seat having the indicator device. Background Technology

[0002] Child safety seats are typically installed in cars to properly restrain children and ensure their safety during a collision. To meet the safety needs of children of different ages, many existing child safety seats are rotatable, meaning the seat can rotate 360° relative to the base, allowing for both forward-facing and rear-facing configurations. In forward-facing mode, the seat faces the same direction as the car's travel; in rear-facing mode, the seat faces the opposite direction. A locking mechanism between the seat and the base secures the safety seat in either the forward-facing or rear-facing position.

[0003] To help users know whether the seat is properly adjusted relative to the base and can be switched to a forward or rearward position, child safety seats are usually equipped with an indicator device. However, in most existing child safety seats, the indicator device may provide false information due to misoperation. This will affect the user experience and reduce the safety of the child safety seat, and may pose a risk of the seat rotating unexpectedly. Summary of the Invention

[0004] The purpose of this invention is to provide an indicating device to solve one or more problems of the prior art.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] An indicating device, comprising:

[0007] case:

[0008] The indicating mechanism includes an indicating element movably disposed on the housing, the indicating element being movable between a first indicating position and a second indicating position;

[0009] An indicator drive mechanism includes an indicator drive member and a first linkage structure connected between the indicator drive member and the indicator member, wherein the indicator drive member drives the indicator member to move through the first linkage structure.

[0010] A limiting block is movably disposed on the housing and moves between a blocking position and a non-blocking position. In the blocking position, the limiting block cooperates with the indicator to restrict the movement of the indicator.

[0011] The limit drive mechanism includes a limit drive component and a second linkage structure, wherein the limit drive component drives the limit block to move through the second linkage structure.

[0012] Preferably, in the blocking position, the limiting block is located on the moving path of the indicator, and the limiting block is provided with an abutting part for abutting against the indicator to restrict the movement of the indicator.

[0013] Furthermore, the limiting block is rotatably mounted on the housing via a limiting block pivot, and the end of the limiting block away from the limiting block pivot forms the abutment portion;

[0014] The indicator is rotatably mounted on the housing via an indicator pivot. The direction in which the limiting block rotates from the non-blocking position to the blocking position is opposite to the direction in which the indicator rotates from the first indicating position to the second indicating position.

[0015] In some embodiments, in the vertical direction, the indicator pivot is positioned above the limit block pivot.

[0016] In some embodiments, the plane formed by the axis of the indicator shaft and the axis of the limiting block shaft is inclined to the vertical plane.

[0017] In some embodiments, the indicator has a limiting surface, and when the limiting block is in the blocking position, the limiting surface abuts against the abutting portion as the indicator rotates from the first indicating position to the second indicating position.

[0018] A first reset member is also provided between the indicator and the housing to provide the force required for the indicator to move from the second indicator position to the first indicator position.

[0019] In some embodiments, the indicator is in the first indicating position and the limiting block is in the blocking position, and there is a gap between the limiting surface and the abutting portion.

[0020] In some embodiments, the indicator has an indicating end and a connecting end, the indicating end and the connecting end are partially disposed on both sides of the indicator's rotating shaft, and the indicating end is provided with an indicating panel;

[0021] The first linkage structure includes a first connector, which is connected between the connecting end and the indicator drive member, so that when the indicator drive member moves, it can drive the indicator member to move from the first indicator position to the second indicator position.

[0022] In some embodiments, the limiting block has a connecting end and a blocking end located at opposite ends along its length direction. The connecting end is rotatably connected to the housing about the pivot axis of the limiting block, and the abutment portion is provided on the blocking end.

[0023] The second linkage structure includes a second connector, which is connected between the blocking end and the limiting drive member, so that when the limiting drive member moves, it can drive the limiting block to move from the blocking position to the non-blocking position.

[0024] In some embodiments, the indicator drive member is rotatably connected to the housing about a first rotation axis. The indicator drive member has a first drive end and a first traction end that are offset from the first rotation axis. The first traction end is connected to the first linkage structure. When the first drive end is driven to move, the indicator member is driven to move through the first linkage structure.

[0025] And / or, the limiting drive member is rotatably connected to the housing about the second rotation axis, the limiting drive member has a second driving end and a second traction end that are offset from the second rotation axis, the second traction end is connected to the second linkage structure, and when the second driving end is driven to move, it drives the limiting block to move through the second linkage structure.

[0026] In some embodiments, the housing is provided with a display window that exposes the indicator. In a first indicator position and a second indicator position, the different positions of the indicator are relative to the position of the display window so as to display different information outward through the display window.

[0027] The present invention also provides a child safety seat, the child safety seat including a base and a seat, the child safety seat further including the indicator device as described above, wherein the housing is the outer shell of the base or the outer shell of the seat, when the seat and the base are installed in place, the indicator drive and the limit drive are respectively driven to move the indicator and change the indicator position.

[0028] In some embodiments, the housing is the outer shell of the base, and after the seat is installed, the seat drives the indicator drive and the limit drive to move to change the indicating position of the indicator.

[0029] In some embodiments, the base is provided with a positioning groove for limiting the movement of the seat on the base, the seat is provided with a positioning part adapted to the positioning groove, and the limiting drive member and the indicating drive member are both disposed in the positioning groove so that after the seat is installed in place, the positioning part drives the limiting drive member and the indicating drive member to move.

[0030] In some embodiments, two positioning slots are provided, and the two positioning slots are spaced apart along the circumferential direction of the base. The limiting drive and the indicating drive are respectively disposed in the two positioning slots.

[0031] In some embodiments, the indicating device is provided in two sets, and two indicating elements in the two sets of indicating devices are arranged at intervals in the circumferential direction of the base. The limiting drive element and the indicating drive element in the two sets of indicating devices are arranged in pairs. Each of the two positioning slots is provided with one limiting drive element and one indicating drive element, or one positioning slot is provided with two limiting drive elements and the other positioning slot is provided with two indicating drive elements.

[0032] In some embodiments, the housing is the outer shell of the seat. After the seat is installed and fixed on the base, the base drives the indicator drive and the limit drive to move to change the indicating position of the indicator.

[0033] Due to the application of the above technical solution, the present invention has the following advantages:

[0034] The indicating device provided by the present invention allows the indicating element to be driven to change its indicating position only after the limiting block moves to a non-blocking position, making the indicating state of the indicating device more accurate and avoiding safety hazards caused by incorrect indicating state of the indicating device due to misoperation.

[0035] The child safety seat provided by this invention, when the seat is installed in place on the base, the indicator drive and the limit drive are driven respectively, causing the indicator to move and change the indicator position, so that the user can know whether the seat is installed in place according to the indicator information, and avoid the seat from moving unexpectedly relative to the base and causing safety problems. Attached Figure Description

[0036] To more clearly illustrate the technical solution of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0037] Figure 1 This is a three-dimensional structural diagram of a child safety seat according to an embodiment of the present invention, wherein the seat is in a forward-facing use state;

[0038] Figure 2 for Figure 1 A front view diagram of a child safety seat;

[0039] Figure 3 for Figure 1 A side view diagram of a child safety seat;

[0040] Figure 4 for Figure 1 A 3D structural diagram of a child safety seat, showing the seat in a rear-facing position;

[0041] Figure 5 for Figure 4 A front view diagram of a child safety seat;

[0042] Figure 6 for Figure 4 A side view diagram of a child safety seat;

[0043] Figure 7 for Figure 1 A 3D structural diagram of a child safety seat;

[0044] Figure 8 for Figure 7 A three-dimensional structural diagram of the seat from another perspective;

[0045] Figure 9 for Figure 7 A three-dimensional structural diagram of the rotating mounting base in the seat;

[0046] Figure 10 for Figure 9 A three-dimensional structural diagram of the rotating mounting base from another perspective;

[0047] Figure 11 for Figure 1 A 3D structural diagram of the base in a child safety seat;

[0048] Figure 12 for Figure 11 A three-dimensional structural diagram of the base from another perspective;

[0049] Figure 13 for Figure 1 A schematic diagram of the connection structure between the base and the rotating mounting seat in a child safety seat;

[0050] Figure 14 for Figure 13 A top-view structural diagram;

[0051] Figure 15 For along Figure 14 Schematic diagram of the cross-sectional structure along the AA direction;

[0052] Figure 16 A schematic diagram of the base after removing the upper shell, wherein the indicator is in the first indicating position;

[0053] Figure 17 for Figure 16 A top-view structural diagram;

[0054] Figure 18 For along Figure 17 Schematic diagram of the cross-sectional structure along the BB direction;

[0055] Figure 19 for Figure 16 A schematic diagram showing the connection between the indicating mechanism and the drive mechanism in the base;

[0056] Figure 20 for Figure 19 A top-view structural diagram;

[0057] Figure 21 For along Figure 20 Schematic diagram of the cross-sectional structure along the CC direction;

[0058] Figure 22 for Figure 21 Enlarged schematic diagram of part E in the diagram;

[0059] Figure 23 For along Figure 20 Schematic diagram of the cross-sectional structure along the DD direction;

[0060] Figure 24 for Figure 23 Enlarged schematic diagram of part F in the diagram;

[0061] Figure 25 A schematic diagram of the base after removing the upper shell, in which the indicator is in the second indicating position;

[0062] Figure 26 for Figure 25 A top-view structural diagram;

[0063] Figure 27 For along Figure 26 Schematic diagram of the cross-sectional structure along the GG direction;

[0064] Figure 28 for Figure 25 A schematic diagram showing the connection between the indicating mechanism and the drive mechanism in the base;

[0065] Figure 29 for Figure 28 A top-view structural diagram;

[0066] Figure 30 For along Figure 29 Schematic diagram of the cross-sectional structure along the HH direction;

[0067] Figure 31 for Figure 30 Enlarged schematic diagram of part E in the diagram;

[0068] Figure 32 For along Figure 29 Schematic diagram of the cross-sectional structure along the central II direction;

[0069] Figure 33 for Figure 32 Enlarged schematic diagram of part F in the diagram;

[0070] In the attached diagrams above:

[0071] 100. Base; 101. Display window; 102. Annular guide; 103. Rotating shaft; 104. Positioning groove;

[0072] 200. Seat; 201. Rotary mounting base; 2011. Rotating component; 2012. Mounting hole; 202. Positioning part; 203. Elastic component;

[0073] 1. Indicating drive component; 11. First rotating shaft; 12. First traction end; 13. First drive end;

[0074] 2. Limiting drive component; 21. Second rotating shaft; 22. Second traction end; 23. Second driving end;

[0075] 3. Indicator; 31. Indicator panel; 31a. First indicator area; 31b. Second indicator area; 32. Indicator end; 33. Connecting end; 34. Limiting surface; 30. Indicator pivot;

[0076] 4. Limiting block; 41. Blocking end; 42. Adapter end; 43. Abutment part; 40. Limiting block pivot;

[0077] 5. Base; 51. Traction cable seat;

[0078] 6. First connecting component (first traction cable);

[0079] 7. Second connecting component (second traction cable);

[0080] 8. First reset component; 9. Second reset component. Detailed Implementation

[0081] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art. It should be noted that the description of these embodiments is for the purpose of aiding understanding the present invention, but does not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0082] In this article, the terms "up," "down," "left," "right," "inner," "outer," "left-right direction," "height direction," and "front-back direction," etc., indicate the orientation or positional relationship based on... Figure 1The description of the orientation or positional relationship observed when a child is riding in a child safety seat with the seat in a forward-facing position is for the purpose of facilitating the description of this application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0083] Example 1

[0084] See Figures 1 to 15 The child safety seat shown includes a base 100 and a seat 200. The base 100 is used for secure mounting to a vehicle seat, and the seat 200 provides support for a child's sitting position. The child safety seat also includes an indicator to show whether the seat 200 is properly installed on the base 100.

[0085] In the child safety seat provided in this embodiment, the seat 200 is rotatably mounted on the base 100, such that the seat 200 has the following properties on the base 100: Figures 1 to 3 The forward usage state shown, and as Figures 4 to 6 The rearward use state is shown. When the seat 200 is in the forward or rearward use state on the base 100, the above-mentioned indicator can be used to indicate whether the seat 200 is properly installed on the base 100 in the current use state.

[0086] See Figures 7 to 15 As shown, in this embodiment of the child safety seat, a rotating mounting base 201 is fixedly provided at the bottom of the seat 200. The rotating mounting base 201 cooperates with the base 100 to achieve the rotating mounting of the seat 200 on the base 100. Specifically, the base 100 is provided with an annular guide 102 and a rotating shaft 103. Rotating members 2011 are provided at both ends of the rotating mounting base 201, and a mounting hole 2012 is provided in the middle. The mounting hole 2012 is correspondingly engaged with the rotating shaft 103 so that it rotates synchronously with the seat 200 when the rotating shaft 103 rotates around the axis. The rotating members 2011 at both ends are slidably engaged with the annular guide 102 to provide guidance when the seat 200 rotates relative to the base 100.

[0087] The rotating mounting base 201 is provided with positioning parts 202 at both ends, and the base 100 is provided with positioning grooves 104. The positioning grooves 104 have two sets arranged at intervals along the circumference and correspond one-to-one with the circumferential positions of the two sets of positioning parts 202. When the seat 200 is in the forward use state or the rear use state, the two sets of positioning parts 202 and the two sets of positioning grooves 104 cooperate with each other to lock the seat 200 and the base 100 at two positions in the circumferential direction. This locks the seat 200 relative to the base 100 in the forward use state or the rear use state, preventing the seat 200 from accidentally rotating relative to the base 100 during use and causing safety problems. In a specific configuration, the positioning part 202 is a latching element movably mounted on the seat 200. This latching element extends outward under the action of the elastic element 203, retracts into the seat 200 when it abuts against the base 100, and extends into the positioning groove 104 under the action of the elastic element 203 when it reaches the positioning groove 104, thus completing the engagement and fixation between the seat 200 and the base 100, allowing the seat 200 to be properly installed on the base 100. The two sets of positioning parts 202 are spaced 180° apart, and correspondingly, the two sets of positioning grooves 104 are also spaced 180° apart.

[0088] Referring to the accompanying drawings, in this embodiment, an indicator device is provided on the base 100 to indicate whether the seat 200 is installed in place on the base 100. This is also equivalent to indicating whether the seat 200 has rotated into place relative to the base 100 and is locked in place.

[0089] The indicating device includes a housing, an indicating mechanism, an indicating drive mechanism, a limiting block 4, and a limiting drive mechanism. The housing is used for mounting the various components of the indicating device. In this embodiment, the housing is the outer shell of the base 100. The indicating mechanism includes an indicating element 3 movably disposed on the housing, which moves between a first indicating position and a second indicating position on the base 100. The indicating drive mechanism includes an indicating drive element 1 and a first linkage structure connecting the indicating drive element 1 and the indicating element 3. The indicating drive element 1 drives the indicating element 3 to move through the first linkage structure. The limiting block 4 is movably disposed on the housing and moves between a blocking position and a non-blocking position. In the blocking position, the limiting block 4 cooperates with the indicating element 3 to restrict the movement of the indicating element 3. The limiting drive mechanism includes a limiting drive element 2 and a second linkage structure. The limiting drive element 2 drives the limiting block 4 to move through the second linkage structure. When the indicator device is working, the limit block 4 needs to be moved by the limit drive mechanism to move to the non-blocking position. Then, the indicator 3 is moved by the indicator drive mechanism to change the indicator position. This makes the information indicated by the indicator 3 more accurate and will not cause false indications due to misoperation or other reasons.

[0090] In this embodiment, the indicating device is specifically configured as follows:

[0091] A display window 101 is provided on the base 100. When the indicator 3 is in the first indicated position and the second indicated position, different areas on the indicator 3 are displayed through the display window 101. The user can determine whether the seat 200 is properly installed relative to the base 100 based on the information displayed in the display window 101. Specifically, the indicator 3 is provided with an indicator panel 31, which has a first indicator area 31a and a second indicator area 31b. The first indicator area 31a and the second indicator area 31b can display different information, such as distinguishing them with red and green. When the indicator 3 is in the first indicated position, the first indicator area 31a is displayed through the display window 101, indicating that the safety seat is currently unavailable. When the indicator 3 is in the second indicated position, the second indicator area 31b is displayed through the display window 101, indicating that the safety seat is available. In this way, the user can clearly know whether the seat 200 and the base 100 are rotated into place and locked in place based on the information in the display window 101, that is, whether it is properly installed and whether the safety seat can be used. In this way, during the rotation of the seat 200 relative to the base 100, by observing whether the information displayed in the display window 101 has changed to the information indicated in the second indicator area 31b, one can quickly know whether the seat 200 has been rotated and installed in place.

[0092] When the limiting block 4 is in the blocking position, it is located on the movement path of the indicator 3. The limiting block 4 is provided with an abutment part 43 for abutting against the indicator 3 to restrict its movement. That is, when the limiting block 4 is in the blocking position, when the indicator 3 moves under the driving action of the indicating drive mechanism, the abutment part 43 blocks the indicator 3, preventing it from moving from the first indicating position to the second indicating position and thus preventing the switching of the indicating state. However, when the limiting block 4 moves to the non-blocking position, it deviates from the movement path of the indicator 3, at which point the indicator 3 can move from the first indicating position to the second indicating position.

[0093] In this embodiment, see Figures 16 to 33As shown, the indicator 3 is rotatably connected to the base 100 about the indicator pivot 30. The indicator 3 switches between the first and second indicator positions when rotating relative to the base 100 about the limit block pivot 40. On the indicator panel 31, the first indicator area 31a and the second indicator area 31b are spaced apart circumferentially about the indicator pivot 30. When the indicator 3 rotates relative to the base 100, the first indicator area 31a and the second indicator area 31b alternately display corresponding indicator information from the display window 101. A first reset member 8 is also provided between the indicator 3 and the base 100 to provide the force required for the indicator 3 to move from the second indicator position to the first indicator position. Thus, when no external force is applied, the indicator 3 can remain in the first indicator position, displaying information indicating that the current safety seat is unavailable from the display window 101.

[0094] The indicator 3 has a limiting surface 34. When the limiting block 4 is in the blocking position, as the indicator 3 moves from the first indicating position to the second indicating position under the action of an external force to overcome the force of the first reset member 8, the limiting surface 34 abuts against the abutment part 43, causing the indicator 3 to be unable to continue rotating and thus completing the position switch. When the indicator 3 is not driven by an external force to move from the first indicating position to the second indicating position, there is a gap between the limiting surface 34 and the abutment part 43 to prevent the indicator 3 from hindering the movement of the limiting block 4, thereby ensuring that the limiting block 4 can smoothly switch from the blocking position to the non-blocking position when subjected to an external force.

[0095] In this embodiment, the limiting block 4 is rotatably connected to the base 100 around the limiting block pivot 40. When the limiting block 4 rotates relative to the base 100, it switches between the blocking position and the non-blocking position. A second reset member 9 is provided between the limiting block 4 and the base 100 to provide the force required for the limiting block 4 to move from the non-blocking position to the blocking position. In this way, when there is no external force, the limiting block 4 can be kept in the blocking position under the force of the second reset member 9, that is, forming a block on the movement path of the indicator 3.

[0096] The axis of the limiting block shaft 40 is parallel to the axis of the indicator shaft 30. The direction in which the indicator 3 rotates from the first indicating position to the second indicating position is opposite to the direction in which the limiting block 4 rotates from the non-blocking position to the blocking position. That is, viewed along the extension direction of the limiting block shaft 40 and the indicator shaft 30, one rotates clockwise and the other counterclockwise. This provides a better abutment and limiting effect when the indicator 3 and the limiting block 4 cooperate, preventing accidental movement of the indicator 3 and resulting in false indications.

[0097] In this embodiment, in the vertical direction, the indicator shaft 30 is positioned above the limiting block shaft 40. The plane formed by the axis of the indicator shaft 30 and the axis of the limiting block shaft 40 is inclined to the vertical plane. This prevents the indicator 3 from interfering with the limiting block 4 during rotation, thus avoiding any jamming during rotation. Here, the position where the limiting block 4 abuts against the indicator 3 is closer to the indicator shaft 30 than the limiting block shaft 40, allowing the limiting block 4 to more quickly disengage from the blocking position under the action of the limiting drive mechanism.

[0098] Referring to the accompanying drawings, in this embodiment, the indicator 3 has an indicator end 32 and a connecting end 33, which are respectively disposed on both sides of the indicator shaft 30. The indicator panel 31 is disposed on the indicator end 32. The first linkage structure includes a first connector 6, which is connected between the connecting end 33 and the indicator drive member 1. When the indicator drive member 1 moves, it can drive the connecting end 33 to move, so that the indicator end 32 with the indicator panel 31 rotates around the indicator shaft 30, thereby enabling the indicator 3 to overcome the force of the first reset member 8 and move from the first indicator position to the second indicator position.

[0099] The limiting block 4 has a connecting end 42 and a blocking end 41 located at opposite ends in its length direction. The abutting part 43 is provided on the blocking end 41. The connecting end 42 is rotatably connected to the base 100 around the limiting block pivot 40. When the limiting block 4 rotates around the limiting block pivot 40, the blocking end 41 is located on or deviates from the moving path of the indicator 3.

[0100] A second reset member 9 is provided between the limiting block 4 and the base 100 to provide the force required for the limiting block 4 to move from the non-blocking position to the blocking position. Thus, when no external force is applied, the limiting block 4 can be held in the blocking position by the force of the second reset member 9, that is, forming a block on the movement path of the indicator 3. The second linkage structure includes a second connector 7, which is connected between the blocking end 41 and the limiting drive member 2, so that when the limiting drive member 2 moves, it can drive the limiting block 4 to move from the blocking position to the non-blocking position.

[0101] In this embodiment, a base 5 is fixedly disposed on the outer shell of the base 100 to facilitate the installation of the indicator 3 and the limiting block 4 on the base 100. Specifically, the indicator 3 and the limiting block 4 are rotatably connected to the base 5, wherein the base 5 is also provided with a mounting cavity, the connecting end 33 of the indicator 3 and the limiting block 4 are both disposed in the mounting cavity, and the indicator end 32 is located outside the mounting cavity, so that the surface of the indicator panel 31 is exposed and can be displayed from the display window 101.

[0102] The first connecting member 6 is a first traction cable, which is connected between the connecting end 33 and the indicating drive member 1; the second connecting member 7 is a second traction cable, which is connected between the blocking end 41 and the limiting drive member 2. The first reset member 8 and the second reset member 9 are both springs. The first reset member 8 is a tension spring, which is connected between the indicating end 32 and the base 5, driving the indicating end 32 to move toward the base 5 and abut against the base 5; the second reset member 9 is a spring. The base 5 is also provided with a traction cable seat 51 for installing the head of the traction cable. The two ends of the spring abut against the traction cable seat 51 and the blocking end 41, so that the limiting block 4 moves toward the movement path of the indicating member 3 and abuts against the base 5.

[0103] When the limiting block 4 is in the blocking position, the position where the abutting part 43 of the limiting block 4 abuts against the indicator 3 is located between the indicating end 32 and the connecting end 33 in the circumferential direction with the indicator rotation axis 30 as the rotation center line; when the limiting block 4 moves to the non-blocking position, when the indicator 3 rotates around the indicator rotation axis 30, the indicating end 32 rotates in a direction away from the position on the indicator 3 that abuts against the abutting part 43, thereby changing the indicating position of the indicator 3.

[0104] Both the indicator drive 1 and the limit drive 2 have a drive end and a traction end. When the drive end is driven, the corresponding drive component moves. When the drive component moves, it drives the first linkage structure or the second linkage structure to move through the traction end on it, thereby causing the limit block 4 and the indicator 3 to move and the indicator 3 to complete the position switching.

[0105] Specifically, the indicator drive member 1 is rotatably connected to the base 100 around the first rotation axis 11. The indicator drive member 1 has a first traction end 12 and a first drive end 13 that are offset from the first rotation axis 11. One end of the first traction cable, which serves as the first connector 6, is connected to the first traction end 12. When the first drive end 13 is driven, causing the indicator drive member 1 to rotate around the first rotation axis 11, the first traction end 12 also rotates accordingly, causing the first traction cable to be pulled, thereby causing the connecting end 33 of the indicator member 3 to move, and the indicator end 32 to rotate, causing the first indicator area 31a on the indicator panel 31 to move away from the display window 101, while the second indicator area 31b gradually emerges from the display window 101. That is, the indicator member 3 changes from the first indicator position to the second indicator position.

[0106] Similarly, the limiting drive member 2 is rotatably connected to the base 100 about the second rotation axis 21. The limiting drive member 2 has a second traction end 22 and a second drive end 23 that are offset from the second rotation axis 21. One end of the second traction cable, which serves as the second connector 7, is connected to the second traction end 22. When the second drive end 23 is driven, causing the limiting drive member 2 to rotate about the second rotation axis 21, the second traction end 22 also rotates accordingly, causing the second traction cable to be pulled, thereby causing the blocking end 41 of the limiting block 4 to move and deviate from the movement path of the indicator 3, changing from the blocking position to the non-blocking position.

[0107] In this embodiment of the child safety seat, the base 100 is provided with two sets of positioning grooves 104. The two sets of positioning grooves 104 are arranged at intervals along the circumference of the base 100. The driving ends of the two sets of driving members are exposed from the two sets of positioning grooves 104 respectively. That is, the first driving end 13 is exposed from one positioning groove 104 and the second driving end 23 is exposed from the other positioning groove 104. When the seat 200 and the base 100 are engaged, the positioning part 202 on the seat 200 is inserted into the two positioning grooves 104, thereby driving the first driving end 13 and the second driving end 23 to move accordingly, so that the indicator 3 can complete the position switching.

[0108] In this embodiment of the child safety seat, two sets of indicating devices are provided. The indicating elements 3 of the two sets of devices are spaced apart along the circumference of the base 100. The indicating drive elements 1 and limiting drive elements 2 in the two sets of devices are arranged in pairs. Here, two limiting drive elements 2 are provided in one positioning groove 104 and two indicating drive elements 1 are provided in the other positioning groove 104. See details [link to documentation]. Figure 20 , Figure 29 As shown, the first driving ends 13 of the two indicating drive members 1 are arranged adjacently and protrude from one positioning groove 104; the second driving ends 23 of the two limiting drive members 2 are arranged adjacently and protrude from another positioning groove 104. Of course, in other embodiments, each positioning groove 104 may have one limiting drive member 2 and one indicating drive member 1, and the first driving ends 13 and the second driving ends 23 may be arranged adjacently and protrude from the same positioning groove 104.

[0109] In this embodiment, display windows 101 are provided on both the left and right sides of the base 100, and the indicator elements 3 of the two sets of indicator devices respectively display indicator information from the two display windows 101; two positioning slots 104 are respectively provided on the front and rear sides of the base 100, and the two positioning slots 104 cooperate and engage with the two positioning parts 202. That is, when the seat 200 rotates relative to the base 100, so that the seat 200 is adjusted to a forward use state or a rearward use state, when the two positioning parts 202 are just inserted into the two positioning slots 104 respectively, such as Figure 28As shown, the two sets of positioning parts 202 push the first driving end 13 of the two sets of indicator driving members 1 and the second driving end 23 of the two sets of limit driving members 2 in the pushing direction, so that the indicator driving member 1 and the limit driving member 2 rotate respectively, and then drive the indicator 3 and the limit block 4 to rotate through the first traction cable and the second traction cable, so that the indicator 3 changes from the first indicator position to the second indicator position. The indicator seat 200 is installed on the base 100, and the state of the indicator 3 can be observed on the left or right side of the child safety seat.

[0110] In summary, in the indicator device provided in this embodiment, the indicator 3 can only be driven to change the indicator position after the limiting block 4 moves to a non-blocking position, making the indicator state of the indicator device more accurate and avoiding safety hazards caused by incorrect indicator state due to misoperation.

[0111] In the child safety seat with the base 100 provided in this embodiment, when the seat 200 is installed on the base 100, the indicator drive 1 and the limit drive 2 are respectively driven, causing the indicator 3 to move and change its indication position. This allows the user to easily determine whether the seat 200 is installed correctly based on the indication information of the indicator 3, preventing accidental rotation of the seat 200 relative to the base 100 that could cause safety issues. Furthermore, when the seat 200 has a forward-facing and a reverse-facing usage state on the base 100, and it is necessary to switch its usage state by rotating the seat 200, the indicator 3 is driven to move and change its indication position during the rotation and engagement process of the seat 200 relative to the base 100, making it even more convenient to use.

[0112] Example 2

[0113] Without illustration, the main difference between this embodiment and embodiment 1 is that the indicator device is installed on the seat 200 of the child safety seat, wherein the housing of the indicator device is the outer shell of the seat 200. After the seat 200 is installed and fixed on the base 100, the base 100 drives the indicator drive 1 and the limit drive 2 to move to change the indicating position of the indicator 3.

[0114] It should also be noted that "rotational connection" in the above embodiments refers to pivot connection, unless the context clearly indicates other rotational connection methods.

[0115] As indicated in this specification and claims, the terms "comprising" and "including" only indicate the inclusion of explicitly identified steps and elements, and these steps and elements do not constitute an exclusive list, and the method or apparatus may also include other steps or elements.

[0116] It can be further understood that in this disclosure, "multiple" refers to two or more, and other quantifiers are similar. "And / or" describes the relationship between related objects, indicating that three relationships can exist; for example, A and / or B can represent: A alone, A and B simultaneously, and B alone. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. The singular forms "a," "the," and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.

[0117] It is further understood that the terms "first," "second," etc., are used to describe various types of information, but this information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another, and do not indicate a specific order or degree of importance. In fact, the expressions "first," "second," etc., are completely interchangeable. For example, without departing from the scope of this disclosure, first information can also be referred to as second information, and similarly, second information can also be referred to as first information.

[0118] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An indicating device, characterized in that, include: case: The indicating mechanism includes an indicating element movably disposed on the housing, the indicating element being movable between a first indicating position and a second indicating position; An indicator drive mechanism includes an indicator drive member and a first linkage structure connected between the indicator drive member and the indicator member, wherein the indicator drive member drives the indicator member to move through the first linkage structure. A limiting block is movably disposed on the housing and moves between a blocking position and a non-blocking position. In the blocking position, the limiting block cooperates with the indicator to restrict the movement of the indicator. The limit drive mechanism includes a limit drive component and a second linkage structure, wherein the limit drive component drives the limit block to move through the second linkage structure.

2. The indicating device according to claim 1, characterized in that: In the blocking position, the limiting block is located on the movement path of the indicator, and the limiting block is provided with an abutting part for abutting against the indicator to restrict the movement of the indicator.

3. The indicating device according to claim 2, characterized in that: The limiting block is rotatably mounted on the housing via a limiting block pivot, and the abutment portion is formed at one end of the limiting block away from the limiting block pivot. The indicator is rotatably mounted on the housing via an indicator pivot. The direction in which the limiting block rotates from the non-blocking position to the blocking position is opposite to the direction in which the indicator rotates from the first indicating position to the second indicating position.

4. The indicating device according to claim 3, characterized in that: In the vertical direction, the indicator shaft is positioned above the limit block shaft.

5. The indicating device according to claim 4, characterized in that: The plane formed by the axis of the indicator shaft and the axis of the limit block shaft is inclined to the vertical plane.

6. The indicating device according to claim 3, characterized in that: The indicator has a limiting surface. When the limiting block is in the blocking position, the limiting surface abuts against the abutting portion as the indicator rotates from the first indicating position to the second indicating position. A first reset member is also provided between the indicator and the housing to provide the force required for the indicator to move from the second indicator position to the first indicator position.

7. The indicating device according to claim 6, characterized in that: The indicator is in the first indicating position and the limiting block is in the blocking position, and there is a gap between the limiting surface and the abutting part.

8. The indicating device according to claim 3, characterized in that: The indicator has an indicating end and a connecting end, the indicating end and the connecting end are located on both sides of the indicator's rotating shaft, and the indicating end is provided with an indicating panel; The first linkage structure includes a first connector, which is connected between the connecting end and the indicator drive member, so that when the indicator drive member moves, it can drive the indicator member to move from the first indicator position to the second indicator position.

9. The indicating device according to claim 3, characterized in that: The limiting block has a connecting end and a blocking end located at opposite ends along its length. The connecting end is rotatably connected to the housing about the pivot of the limiting block, and the abutting portion is located on the blocking end. The second linkage structure includes a second connector, which is connected between the blocking end and the limiting drive member, so that when the limiting drive member moves, it can drive the limiting block to move from the blocking position to the non-blocking position.

10. The indicating device according to claim 1, characterized in that: The indicator drive is rotatably connected to the housing about a first rotation axis. The indicator drive has a first drive end and a first traction end that are offset from the first rotation axis. The first traction end is connected to the first linkage structure. When the first drive end is driven to move, the indicator moves through the first linkage structure. And / or, the limiting drive member is rotatably connected to the housing about the second rotation axis, the limiting drive member has a second driving end and a second traction end that are offset from the second rotation axis, the second traction end is connected to the second linkage structure, and when the second driving end is driven to move, it drives the limiting block to move through the second linkage structure.

11. The indicating device according to claim 1, characterized in that: The housing is provided with a display window that exposes the indicator. In the first indicator position and the second indicator position, the different positions of the indicator are relative to the position of the display window so as to display different information outward through the display window.

12. A child safety seat, characterized in that, The child safety seat includes a base and a seat, and further includes an indicator device as described in any one of claims 1 to 11, wherein the housing is the outer shell of the base or the outer shell of the seat, and when the seat and the base are installed in place, the indicator drive and the limit drive are respectively driven to move the indicator and change the indicator position.

13. The child safety seat according to claim 12, characterized in that, The housing is the outer shell of the base. After the seat is installed, the seat drives the indicator drive and the limit drive to move to change the indicating position of the indicator.

14. The child safety seat according to claim 13, characterized in that, The base is provided with a positioning groove for limiting the movement of the seat on the base. The seat is provided with a positioning part that is adapted to the positioning groove. The limiting drive and the indicating drive are both disposed in the positioning groove so that after the seat is installed in place, the positioning part drives the limiting drive and the indicating drive to move.

15. The child safety seat according to claim 14, characterized in that, Two positioning slots are provided, and the two positioning slots are spaced apart along the circumferential direction of the base. The limiting drive and the indicating drive are respectively provided in the two positioning slots.

16. The child safety seat according to claim 15, characterized in that, The indicating device is provided in two sets. The two indicating elements in the two sets of indicating devices are arranged at intervals in the circumferential direction of the base. The limiting drive element and the indicating drive element in the two sets of indicating devices are arranged in pairs. Each of the two positioning slots is provided with one limiting drive element and one indicating drive element, or one positioning slot is provided with two limiting drive elements and the other positioning slot is provided with two indicating drive elements.

17. The child safety seat according to claim 12, characterized in that, The housing is the outer shell of the seat. After the seat is installed and fixed on the base, the base drives the indicator drive and the limit drive to move to change the indicating position of the indicator.

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