Patent ID: 12208714

DETAILED DESCRIPTION

Although the application is illustrated and described with reference to specific embodiments, the application should not be limited to the illustrated details. Specifically, within the scope of the equivalents of the attached claims and without departing from the application, various modifications can be made to these details.

The descriptions of “front,” “rear,” “up,” “down” and other directions mentioned in this specification are only used for the convenience of understanding, and the application is not limited to these directions, but can be adjusted according to actual conditions.

Firstly please refer toFIG.1.FIG.1is a perspective view of a child safety seat100according to the application, in which a limiting device150is in a locked position. The child safety seat100includes a seat body110and a base120under the seat body110. The base120is a component which fixes the entire child safety seat100to a vehicle, and is provided with fixing devices such as straps. In an embodiment, the seat body110is coupled to the base120in a manner that can slide back and forth and can rotate about a substantially vertical axis, so that the seat body110is in a most comfortable and safest position and posture.

A side impact protection block130is disposed on an outer side of the seat body110.FIG.1shows one side impact protection block130, though it should be understood, the other side of the seat body110may be provided with substantially the same (or substantially symmetrical) side impact protection block, moreover, the side impact protection block provided on the other side of the seat body110may have a structure or appearance as same as or different from that of the side impact protection block130. For sake of conciseness, exemplary description will be given below under the condition that the side impact protection block provided on the other side of the seat body110is same as the side impact protection block130.

A function of the side impact protection block130is to provide a buffer between the two sides of the child safety seat100and the internal structure of the vehicle, so as to better protect the child in the child safety seat100in the event of a vehicle collision. For this reason, in a working state of the side impact protection block130, the side impact protection block130can be ejected from both sides of the seat body110, and is located in an unfolded position to be substantially perpendicular to the side of the seat body110(FIG.4), so as to intervene between the side of the seat body110and the car door. Moreover, in an non-working state of the side impact protection block130, the side impact protection block130can be folded to fit the seat body110, and can be stored in a corresponding recess on the side of the seat body110, so as to reduce a space occupied by the child safety seat100, and provide a neat appearance of the child safety seat100.

The side impact protection block130may be arranged to be manually operated to switch between the unfolded position and the folded position, or may also be arranged to automatically ejected. That is, when a child is seated in the seat body110, the side impact protection block130automatically senses the seated child, and thus is ejected from the folded position to the unfolded position As mentioned above, the side impact protection block130located on the side of the seat body110close to the car door can effectively buffer the collision between the child safety seat100and the car, and the side impact protection block located on the other side of the seat body110away from the car door has less effect and occupies a space. Therefore, it is necessary to prevent the side impact protection block on the side away from the car door from being automatically ejected. A function of the limiting device150according to the application is to prevent the side impact protection block130from being automatically ejected, so as to avoid the side impact protection block130facing the inner side of the vehicle from being ejected and occupying the interior space of the vehicle meaninglessly.

Now refer toFIG.2.FIG.2is a perspective view of the child safety seat100according to the application, in which the limiting device150is in a released position and the side impact protection block130is in the folded position. At this time, it can be seen, compared to the position inFIG.1, the limiting device150is rotated by an angle around an axis that is substantially perpendicular to the side face of the seat body110, so that the side impact protection block130is no longer blocked. Therefore, the side impact protection block130can be moved to its unfolded position.

Now refer toFIG.3.FIG.3is a partial enlarged view ofFIG.2. A positional relationship between the limiting device150and the side impact protection block130can be seen more clearly fromFIG.3.

Now refer toFIG.4.FIG.4is a perspective view of the child safety seat100according to the application, in which the limiting device150is in the released position and the side impact protection block130is in the unfolded position. Because the side impact protection block130is no longer blocked by the limiting device150, it can move from the folded position to the unfolded position shown inFIG.4.

Now refer toFIG.5.FIG.5is a partial enlarged view ofFIG.4. The positional relationship between the limiting device150and the side impact protection block130can be seen more clearly fromFIG.5.

Now refer toFIGS.6and7.FIG.6is a perspective view of the child safety seat100according to the application, in which a restricting member140of the limiting device150is removed to show a mounting portion160, and the side impact protection block130is in the unfolded position.FIG.7is a partial enlarged view ofFIG.6. The limiting device150includes a restricting member140and a mounting portion160. Among them, the mounting portion160is a component fixed on the seat body110, or the mounting portion160may be integrally formed on the seat body110. Moreover, the restricting member140is rotatably connected to the mounting portion160, so as to rotate in respect to the seat body110. As shown inFIG.7, after the restricting member140is removed, the structure of the mounting portion160can be seen more clearly.

The mounting portion160includes a disk portion161, a sliding slot162, a mounting portion shaft hole163, and a positioning portion (i.e., a limiting bulge or a limiting recess)164. The disk portion161is the main portion of the mounting portion160, and the disk portion161is located in a plane substantially parallel to the side face of the seat body110. The sliding slot162is located on a side of the disk portion161facing the side impact protection block130, and is formed as an arc concave facing the seat body110so as to guide and limit the restricting member140to rotate around the mounting portion160. The mounting portion shaft hole163is located at a center of the disk portion161, and a rotating shaft (not shown) passes through the mounting portion shaft hole163and a restricting member hole141in the restricting member140(as shown inFIG.8), such that the restricting member140can be rotatably assembled to the mounting portion160. The positioning portion164is located at each of the two ends of the sliding slot162, and forms a shape cooperation with the limiting protrusion142of the restricting member14to enable the restricting member140to stop at the released position and the locked position. In this embodiment, the positioning portion164is taken as an example of the limiting recess, and the positioning portion164is a limiting recess which is recessed in the sliding slot162toward the seat body110. In other embodiments, the positioning portion may be a limiting bulge in the sliding slot162which is further raised from the seat body110. In this embodiment, the positioning portion is located at both ends of the sliding slot162. In other embodiments, the positioning portion may be located only at one end of the sliding slot162.

Now refer toFIG.8.FIG.8is a perspective view showing the side of the restricting member140facing the mounting portion160. The structure of the restricting member140, particularly the structure facing the side of the seat body110, will be explained by referring toFIG.8. The restricting member140has a rotating end and a free end, where the rotating end is rotatably coupled to the mounting portion160, such that the restricting member140can rotate between the locked position and the released position in respect to the seat body110. The restricting member140is provided with a contacting portion143on a side face of the free end facing the mounting portion160for contacting the side impact protection block130in the locked position, where the restricting member hole141, the limiting protrusion142and contacting portion143are located in a longitudinal centerline in sequence, and the limiting protrusion142is closer to the restricting member hole141than the contacting portion143. In this embodiment, the restricting member hole141is a circular shaft hole. In an embodiment, the restricting member140has a substantially left-right symmetrical structure, the limiting protrusion142may be located in a symmetry axis of the restricting member140, and a distance to an extremity of the rotating end of the restricting member140is about one-third of the length of the symmetry axis. The restricting member140is provided with a contacting portion143on the side face of the free end facing the mounting portion160for contacting the side impact protection block130in the locked position. The contacting portion143may be formed as a crescent portion or an arc portion raised from the restricting member140and extending substantially along a rotation direction of the restricting member140. In an embodiment, the rotating shaft, the limiting protrusion142and the contacting portion143are sequentially located in the symmetry axis (i.e., the longitudinal centerline), and the limiting protrusion142is closer to the rotating shaft than the contacting portion143. In an embodiment, the contacting portion143is located near an edge of the free end.

In the illustrated embodiment, the restricting member140is symmetrical flat along its longitudinal centerline, and has a lateral width that gradually increases from the rotating end to the free end. In other embodiments, the restricting member140may also be formed in an asymmetrical shape. For example, the limiting protrusion142may not be formed in the longitudinal centerline of the restricting member140, but at a position close to a longitudinal edge of a side of the restricting member140. In such case, the limiting recess of the mounting portion160may be formed only at one end of the sliding slot162corresponding to the limiting protrusion142.

In use, the user can lock or release side impact protection block by moving the restricting member140of the limiting device150. Due to the shape cooperation between the limiting protrusion142of the restricting member140and the limiting recess of the mounting portion160, the restricting member140can be maintained in the locked position or the released position.

Now a second embodiment according to the application will be described by referring toFIGS.9-13. Similar to the first embodiment, the second embodiment also includes a child safety seat200, a seat body210, a base220, a side impact protection block230, a limiting device250. The difference from the first embodiment is that the limiting device250of the second embodiment is moved in sliding movement, rather than in rotating movement in the first embodiment.

Refer toFIGS.9and10.FIG.9is a perspective view of the seat according to the second embodiment of the application, in which the limiting device is in the locked position; andFIG.10is a partial enlarged view ofFIG.9. In the state shown inFIGS.9and10, the restricting member240of the limiting device250slides to the right side in the figure, such that an end of the restricting member240blocks the side impact protection block230so it cannot be ejected.

Now refer toFIG.11.FIG.11is a perspective view of the seat according to the second embodiment of the application, in which the limiting device is in the released position. In the state shown inFIG.11, the restricting member240of the limiting device250slides to the left in the figure, such that the restricting member240no longer blocks the side impact protection block230, thereby allowing it to be ejected.

Now refer toFIG.12.FIG.12is a perspective view of the seat according to the application, in which the restricting member of the limiting device is removed to show the mounting portion. As shown, the mounting portion260of the limiting device250includes a mushroom head261protruding from a side face of the seat body210and a slider262. Among them, the mushroom head261is engaged in the restricting member240to allow the restricting member240to slide on the side face of the seat body210, and the slider262is inserted into the restricting member240to limit a sliding direction of the restricting member240, which will be detailed later. In this embodiment, the slider262is provided on both sides of the mushroom head261(specifically the upper and lower sides in the figure). In other embodiments, the slider262may be provided on only one side, or the slider262may be provided at other positions (e.g., the front side or the rear side) on the mushroom head261. In this embodiment, the slider262has a long shape extending along the sliding direction of the restricting member240(i.e., the direction close to and away from the side impact protection block230). In other embodiments, the slider262may also have different geometric shapes.

Now refer toFIG.13.FIG.13is a perspective view showing a side of the limiting member facing the mounting part in the second embodiment. As shown, the restricting member240is generally elongated, and is circular at both ends. The restricting member240includes an elongated restricting member hole241extending in the longitudinal direction thereof, and slider holes242on both sides of the restricting member hole241. At an end of the restricting member240, a contacting portion243protruding toward the seat body is also arranged. When the limiting device250is in the locked position, the contacting portion243abuts against the side impact protection block230to prevent it from being ejected.

Now refer toFIG.14.FIG.14is a transverse sectional view showing the limiting device in the second embodiment. As shown, the mushroom head261is engaged in the restricting member hole241, so as to assemble the restricting member240to the mounting portion260while allowing the restricting member240to slide. A side of the restricting member240facing away from the seat body (i.e., the side facing the user) has a shape in which both ends are tilted and the middle is recessed, and both ends are provided with corrugated features to facilitate the user to operate. The contacting portion243of the restricting member240abuts against a corresponding recess of the side impact protection block230, so as to stably lock the side impact protection block230.

Although the present application has been described with reference to the typical embodiments, the terms used are illustrative and exemplary rather than restrictive. Since this application can be implemented in various forms without departing from the spirit and essence of the application, it should be understood, the above-mentioned embodiments are not limited to any of the foregoing details, but should be interpreted in the broadest sense within the scope defined by the claims. Therefore, all changes falling within the scope of the claims or their equivalents shall be covered by the claims.

LIST OF REFERENCE SIGNS

100,200: child safety seat110,210: seat body120,220: base130,230: side impact protection block150,250: limiting device140,240: restricting member141,241: restricting member hole142: limiting protrusion242: slider hole143,243: contacting portion160,260: mounting portion161: disk portion261: mushroom head162: sliding slot262: slider163: mounting portion shaft hole164: positioning portion