TWI798978B - Joining structure and child safety seat including the same - Google Patents

Abstract

A joining structure comprising: a fixed seat connected to the first object, the fixed seat has a cylindrical fixed seat side wall, and the fixed seat side wall has an open end and an accommodating end disposed opposite to each other; a socket connected to the second object, the socket has a cylindrical socket side wall, the socket is able being inserted into the fixed seat side wall through the open end along an insertion direction, so as to join the second object to the first object; a hole closing part disposed inside the fixed seat side wall, located between the accommodating end and the socket of the fixed seat, and being movable between the open end and the accommodating end, the hole closing part has a hole closing surface at the open end, and the hole closing surface has a shape corresponds to a cross-sectional shape of the fixed seat side wall at the open end; a hole closing part elastomer for applying a force biasing the hole closing part toward the open end; when the socket is not inserted into the fixed seat, the hole closing part is biased to the open end by the hole closing part elastomer; and when the socket is not inserted into the fixed seat, the hole closing part is pushed toward the accommodating end by the socket to separate from the open end.

Description

Engagement structure and child safety seat including the same

The invention relates to an engaging mechanism and a child safety seat comprising the engaging structure.

Child safety seats are a common device that can accommodate infants and toddlers of various ages. Child safety seats are designed for the safety of children in cars. They can restrain children's dangerous behaviors in the car during driving, and protect children from injury in the event of accidents such as sudden car collisions.

Child safety seats in the prior art are generally not provided with a canopy, which is disadvantageous for example for convertible vehicles or for outdoor use of the child safety seat. Even child safety seats with a canopy are usually designed so that the canopy is fixed to the seat, making it difficult to remove the canopy. Children's carrying devices, such as baby carriages, child safety seats, etc., are more and more inclined to be provided with canopy mechanisms to achieve sunshade, wind shelter, privacy protection and other purposes.

An engagement structure according to the present invention for detachably engaging a first article to a second article. The engaging structure includes: a fixing seat connected to the first object, the fixing seat has a cylindrical side wall of the fixing seat, and the side wall of the fixing seat has an open end and an accommodating end oppositely arranged; a socket, Connected to the second object, the socket has a cylindrical socket side wall, and the socket can be inserted and sleeved into the side wall of the fixing seat through the open end along an insertion direction, so that the first The second object is joined to the first object; the sealing member is arranged inside the side wall of the fixing seat and is located on the between the accommodating end of the fixed seat and the socket, and can move between the open end and the accommodating end, the sealing member has a sealing surface at the open end, the The shape of the sealing surface corresponds to the cross-sectional shape of the side wall of the fixing seat at the open end; the elastic member of the sealing member is arranged between the sealing member and the accommodating end, and is used for sealing the sealing The hole member exerts a force biased toward the open end, so that the sealing member elastically abuts against the socket; when the socket is not inserted into the fixing seat, the sealing member is pressed by the sealing member The elastic part of the hole part is biased to the open end; when the socket is inserted into the fixing seat, the hole sealing part is pushed by the socket toward the accommodating end and away from the open end.

In one embodiment, a stopper is provided on the inner side of the side wall of the fixing seat, and the stopper is located at a position between the open end and the accommodating end, from the inner side of the side wall of the fixing seat protruding inward; the outer side of the socket side wall is provided with a protrusion, and the protrusion protrudes outward from the outer side of the socket side wall; when the socket is inserted into the fixing seat, the protrusion It can enter through the stopper part, and abut against the stopper part from the accommodating end side, so as to prevent the socket from breaking away from the fixing seat.

In one embodiment, a plurality of stoppers are provided and form a circle along the inner circumference of the side wall of the fixing seat, or are symmetrically arranged in a discrete manner on the inner circumference of the side wall of the fixing seat.

In one embodiment, the sealing member is provided with a barb, and the barb extends from the sealing surface toward the receiving end and has a hook portion protruding toward the side wall of the fixing seat at the end; The barb is configured such that when the sealing member is biased to the open end by the elastic member of the sealing member, the barb abuts against the stopper portion from the receiving end side to prevent the sealing member from The sealing member is separated from the fixing seat.

In one embodiment, the cross section of the side wall of the fixing seat is approximately rectangular, and the stoppers are provided on each long side and each short side of the rectangle; the side wall of the socket has a plurality of protrusions, The plurality of protrusions respectively correspond to the stoppers, and the sealing member has a plurality of barbs, and the plurality of barbs are respectively set to correspond to the long sides and/or short sides of the side walls of the fixing seat. Side stop.

In one embodiment, the protrusion extends on the side wall of the socket along a direction perpendicular to the insertion direction, and at both ends of the protrusion, a line parallel to Slotted in the direction of insertion.

In one embodiment, the engaging structure further includes a release button, which is arranged on the side wall of the socket and partially inserted in the socket, and the release button can move away from the socket along the direction perpendicular to the insertion direction of the socket. The receptacle is slidable between a locked position and a released position proximate to the receptacle to selectively lock the receptacle to the mount.

In one embodiment, the release button includes: a pushing part, protruding outward perpendicular to the insertion direction of the socket on a side away from the socket; a locking part, perpendicular to the insertion direction of the socket on a side far away from the socket The insertion direction of the socket protrudes outward, and is closer to the fixing seat than the pushing part; when the socket is inserted into the fixing seat, the pushing part stays outside the fixing seat, and The locking part is inserted into the fixing seat and engaged with the inner side of the stop part of the fixing seat.

In one embodiment, the fixed seat also has a fixed seat edge, and the fixed seat edge extends outward from the edge of the open end of the side wall of the fixed seat; when the socket is not inserted into the fixed seat , the sealing surface of the sealing member is substantially flush with the edge of the fixing seat.

In one embodiment, in the insertion direction of the socket, the sum of the lengths of the socket and the sealing member is approximately equal to the length of the fixing seat, so that when the socket is inserted into the fixing seat , the sealing member abuts against the accommodating end of the fixing seat.

Another object of the present invention is to provide an engaging structure and a child safety seat comprising the engaging structure, the canopy mechanism is attached to the child safety seat by using the engaging structure, and the engaging structure together with the canopy mechanism can be removed from the child safety seat. The child safety seat is disassembled, and after dismantling, the sealing member of the joint structure will seal the original fixed seat of the socket, which improves the overall aesthetics and safety.

Therefore, according to a solution of the present invention, a joint structure is provided, including: a socket, plugged and connected to a fixed seat of a device, and can be disassembled from the fixed seat; is dynamically arranged in the fixed seat, and abuts against the socket when the socket is inserted in the fixed seat of the device, and can move to seal when the socket is detached from the fixed seat Block the opening of the fixing seat.

In one embodiment, the socket includes an abutment top, a connection end, and an intermediate section disposed between the abutment top and the connection end, the abutment end abuts against the sealing member, and the connection end Accessory for attaching the device described.

In one embodiment, the middle section is provided with a locking part, an unlocking part and a reset part, the locking part is used to lock the socket in the fixing seat of the device, and the unlocking part is exposed on the fixing seat. The seat is used to unlock the lock of the socket in the fixed seat, and the reset part is used to reset the locking part.

In one embodiment, the locking portion is in the form of a hook, and the hook extends in a direction substantially perpendicular to the insertion direction of the socket, so as to lock when the socket is inserted into the fixing seat. In the engaging structure correspondingly arranged in the fixing seat; the unlocking part and the locking part form an integral structure, and in a direction substantially perpendicular to the insertion direction of the socket, the locking part can pass through The movement of the unlocking part moves.

In one embodiment, the unlocking part is in the form of a button with a corrugated surface, and the reset part is in the form of a reset elastic piece, which abuts against the unlocking part.

In one embodiment, the profile of the sealing member is formed to match the profile of the fixing seat of the device.

In one embodiment, the engaging structure further includes an elastic member, and the elastic member is disposed between the sealing member and the bottom of the fixing seat opposite to the opening, or disposed on the sealing Bottom of hole.

In one embodiment, the sealing member is in the form of a cover body, including a cover body and a side wall vertically extending from the periphery of the cover body, and a locking member is provided on the side wall.

In one embodiment, the elastic member is disposed in the space surrounded by the side walls of the hole sealing member, and abuts between the cover and the bottom of the fixing seat.

According to another aspect of the present invention, there is also provided a child safety seat comprising the above-mentioned joint structure, including a seat part, a backrest part, and a headrest part, the backrest part is formed with a fixing seat, and the joint structure inserts Located in the fixing seat, the joint structure is connected with a roof mechanism.

In one embodiment, the canopy mechanism is connected with two engaging structures, and two fixing seats are formed on the back of the backrest, and the two engaging structures are respectively inserted into the two fixing seats. middle.

A child safety seat according to the present invention, comprising: a seat body; a canopy capable of being joined to an upper portion of the seat body; and in the joining structure according to the present invention, the first object is the seat body, the second object is the canopy; the two engaging structures are respectively arranged on both sides of the seat body, and the accommodating end of the fixing seat is embedded into the seat body from the corresponding side In the seat body, the open end of the fixing seat is exposed on the side of the seat body.

In one embodiment, the canopy includes first and second canopy poles that are generally U-shaped, and the engagement structure includes a first canopy pole mount and a second canopy pole mount, wherein , the first canopy pole fixing part is fixed on the socket, and the second canopy pole fixing part is pivotally connected to the first canopy pole fixing part; the two ends of the first canopy pole respectively fixedly connected to the corresponding first roof pole fixing parts of the two joint structures, and the two ends of the second roof pole fixing parts are respectively fixedly connected to the two ends of the second roof pole fixing parts, so that the The second canopy pole is rotatable relative to the first canopy pole about an axis parallel to the insertion direction of the socket.

For the joint structure according to the present invention and the child safety seat including the joint structure, after the socket of the joint structure is disassembled, the hole-sealing part of the joint structure can block the fixing seat where the socket is inserted, thus, even The overall aesthetics and safety can still be maintained after the socket is disassembled.

100: joint structure

110: fixed seat

111: the edge of the fixed seat

112: the side wall of the fixed seat

1121: open end

1122:Accommodating end

114: stop part

120: Hole sealing piece

121: sealing surface

122: barb

130: socket

131: socket side wall

132: protrusion

133: slotting

134: limit part

140: First canopy rod fixing part

141: The first disc-shaped part

142: The first canopy rod connection part

143:Accommodating space

144: positioning slot

150:Second canopy rod fixing part

151: the second disc-shaped part

152: Second canopy rod connection part

153:Rotation

154: positioning protrusion

155: Through hole

160: cover

161: Elastic part of sealing part

162: Canopy Rod Elastic Part

163: release button elastic piece

170: release button

171: Pushing part

172: lock department

173: release button elastic member fixing part

200: canopy

210: First canopy pole

220:Second canopy rod

300: seat body

301: shell

302: headrest

303: back to back

304: Block

305: Opening and accommodation space

310: side impact protection block

910:Joint structure

912: socket

921: reach the top

922: connection end

923: middle section

9231: lock department

9232: unlock department

9233: reset department

914: Hole sealing piece

941: cover body

942: side wall

943: Fastening parts

916: elastic member

20: Seat part

30: back to back

32: fixed seat

40: headrest

50: Canopy Mechanism

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, in the accompanying drawings:

FIG. 1 is a perspective view illustrating a child safety seat according to the present invention, wherein a state in which a canopy rod is connected to a seat body is shown.

FIG. 2 is a perspective view of the child safety seat according to the present invention, wherein the canopy rod is separated from the seat body.

FIG. 3 is a perspective view of the canopy of the child safety seat according to the present invention.

FIG. 4A is a perspective view of a child safety seat according to the present invention, wherein the engagement structure is shown in an exploded view.

FIG. 4B is an enlarged view of the framed portion of FIG. 4A.

FIG. 5A is a perspective view from another angle of the child safety seat according to the present invention, wherein the joint structure is shown in an exploded view.

FIG. 5B is an enlarged view of the framed portion of FIG. 5A.

Fig. 6A and Fig. 6B are respectively perspective views of two different angles of the sealing member.

7A and 7B are perspective views of the socket and the first canopy rod fixing member from two different angles, respectively.

8A and 8B are respectively two perspective views of the second canopy pole fixing member from different angles.

FIG. 9A is a cross-sectional view taken along line A-A in FIG. 1 .

FIG. 9B is a partial enlarged view of the framed portion in FIG. 9A.

FIG. 10A is a cross-sectional view taken along line B-B in FIG. 2 .

FIG. 10B is a partial enlarged view of the framed portion in FIG. 10A.

11A is a perspective view of another embodiment of a joint structure according to the present invention.

FIG. 11B is a partial enlarged view of the box in FIG. 11A .

Fig. 11C is a perspective view of the sealing member and socket on the side opposite to the box in Fig. 11A.

12A is a perspective view of the engagement structure and canopy pole of FIG. 11A , with the canopy pole in an open state.

12B and 12C are partial enlarged views of the upper frame and the lower frame in FIG. 12A, respectively.

13A is a perspective view of the engagement structure and canopy pole of FIG. 11A, wherein the canopy pole is in a collapsed state.

13B and 13C are partial enlarged views of the upper frame and the lower frame in FIG. 13A , respectively.

Fig. 14A is a sectional view taken along line C-C of Fig. 11A, in which the seat body is omitted.

14B and 14C are partial enlarged views of the upper frame and the lower frame in FIG. 14A, respectively.

15 is a schematic diagram of a child safety seat according to a second embodiment of the present invention, the child safety seat shown in this figure is not connected to the canopy mechanism.

Fig. 16 is a schematic diagram of a child safety seat according to the present invention, the child safety seat shown in this figure is inserted and connected with an engaging structure.

Figure 17 is a schematic illustration of an engagement structure according to the present invention, shown in this figure with a canopy mechanism attached.

Fig. 18 is a schematic diagram of a receptacle according to the engagement structure of the present invention.

Fig. 19 is a schematic diagram of a sealing member of the joint structure according to the present invention.

Fig. 20 is a schematic view of the joint structure according to the present invention, which shows the mating relationship between the socket and the sealing member.

Although the invention is illustrated and described herein with reference to particular embodiments, the invention should not be limited to the details shown. Rather, various modifications may be made to these details, within the scope of equivalents of the claims and without departing from the invention.

The directional terms such as "front", "rear", "upper" and "lower" involved in this article are only for the convenience of understanding, and the present invention is not limited to these directional terms, but can be adjusted according to actual conditions. While the invention has been described and illustrated with reference to typical embodiments, the terms which have been used are illustrative and exemplary, rather than words of limitation.

First, the child safety seat according to the present invention will be generally described with reference to FIGS. 1 to 3 . As shown in the figure, the child safety seat includes a seat body 300 having a shell 301 , a headrest 302 , a backrest 303 and a seat 304 . In addition, in this embodiment, openings and accommodating spaces 305 are also provided on both sides of the seat body 300 (see FIG. 4A ). The positions of the opening and the accommodating space are preferably located on the housing 301 relative to the upper edge of the headrest portion 302 . In some other embodiments, the opening and the accommodating space 305 may also be located on the housing 301 between the position corresponding to the upper edge of the headrest portion 302 and the upper edge of the housing 301 .

In some other embodiments, side impact protection blocks 310 are further provided on both sides of the seat body 300 . In these embodiments, the opening and the accommodating space are located between the side impact protection block 310 and the upper edge of the housing 301 , but the present invention is not limited thereto.

The child safety seat disclosed in this embodiment further includes a canopy 200 and a joint structure 100 connecting the seat body 300 and the canopy 200 . The canopy rods of the canopy 200 are detachably coupled to the left and right sides of the seat body 300 through the coupling structure 100 of the present invention. The engaging structures 100 may be provided separately or symmetrically on the left and right sides of the seat body 300 . Each engagement structure 100 is divided into two parts, one of which is mainly If it is the fixing seat 110 embedded in the accommodating space 305 , the other part is mainly the socket 130 connected to the roof pole.

For ease of observation, only two roof poles of the roof 200 are shown in the figure, and the tarpaulin installed on the roof poles is not shown. It should be noted that although the canopy of the embodiment shown in the figures comprises two canopy poles, i.e. a first canopy pole 210 and a second canopy pole 220, and the two canopy poles can be relatively rotated to make the canopy 200 Folding (described in more detail below), but the joint structure 100 of the present invention is applicable to any number of canopy poles, and is suitable for use with collapsible or non-collapsible canopy structures. Although the joint structure 100 of the present invention includes a design that allows the relative rotation of the two canopy poles, this design is not necessary and can be changed accordingly according to the form of the canopy.

The components of the engagement structure 100 according to the present invention will now be generally described with reference to FIGS. 4A-5B .

As shown in the figure, the joint structure 100 includes: a fixing base 110, a socket 130, a sealing member 120, a first roof rod fixing member 140, a second roof rod fixing member 150, a cover 160, and a sealing member elastic member 161 , the canopy rod elastic part 162 . Wherein, the fixing seat 110 is a part embedded in the seat body 300 , the socket 130 is a part connected to the canopy 200 , and the socket 130 can be inserted into the fixing seat 110 to install the canopy 200 to the seat body 300 . The sealing member 120 is located in the fixing seat 110 and is used for closing the opening of the fixing seat 110 when the socket 130 is not inserted into the fixing seat 110 . The first canopy pole fixing part 140 and the second canopy pole fixing part 150 are connected to the socket 130 for connecting the first canopy pole 210 and the second canopy pole 220 respectively.

The specific structure of the fixing seat 110 will now be described with reference to FIG. 4B , FIG. 9B and FIG. 10B .

As shown in the figure, the fixing base 110 has a cylindrical fixing base side wall 112 , and the fixing base side wall 112 has an open end 1121 and an accommodating end 1122 oppositely disposed. The cross-section of the side wall 112 of the fixing base is non-circular, for example, it may be substantially rectangular, and a pair of opposite sides of the rectangle are arc-shaped edges. In this way, when the socket 130 corresponding to the shape of the fixed seat 110 is inserted into the fixed seat 110, it is possible to prevent the socket 130 from Rotate in the fixed seat 110. It should be understood that the cross section of the side wall 112 of the fixing seat may also have other shapes, such as square, trapezoid, oval and so on.

The fixing seat 110 also has a fixing seat edge 111 extending outward from the edge of the open end 1121 of the side wall 112 of the fixing seat. The edge 111 of the fixing seat can facilitate fixing the fixing seat 110 to the seat body 300 and can modify the appearance of the fixing seat 110 . In one embodiment, the edge 111 of the fixed seat extends from the open end 1121 of the side wall 112 of the fixed seat toward the accommodating end 1122, so that it is more convenient to fix the fixed seat 110 to the seat body 300, and the fixed seat 110 can be connected with the seat The chair body 300 is more transitionally integrated.

The direction from the open end 1121 to the accommodating end 1122 of the side wall 112 of the fixing seat is referred to as an insertion direction. In the insertion direction, the cross section of the side wall 112 of the fixing seat is substantially uniform. A stop portion 114 is disposed on the inner side of the sidewall 112 of the fixing seat. The stopper portion 114 is located at a position between the open end 1121 and the accommodating end 1122 and protrudes inward from the inner side of the sidewall 112 of the fixing seat. The stopper 114 can be close to the open end 1121 , for example, the distance from the stopper 114 to the open end 1121 along the insertion direction is about one-half to one-third of the total length of the fixing seat 110 .

The specific structure of the sealing member 120 will now be described with reference to FIGS. 6A-6B .

As shown in the figure, the sealing member 120 is a part inside the side wall 112 of the fixing seat and can move between the open end 1121 and the accommodating end 1122 . The sealing member 120 has a sealing surface 121 at the open end 1121 , and the shape of the sealing surface 121 corresponds to the cross-sectional shape of the side wall 112 of the fixing seat at the open end 1121 . In the embodiment shown in the figure, the sealing member 120 is generally plate-shaped. However, it should be understood that the sealing member 120 can be in any suitable shape, such as a block shape, a cone shape, as long as it can have a sealing surface 121 suitable for closing the open end 1121 .

In one embodiment, a barb 122 is disposed on the sealing member 120 , and the barb 122 extends from the sealing surface 121 toward the accommodating end 1122 and has a hook portion protruding toward the side wall 112 of the fixing seat at the end. The barb 122 is adapted to engage with the stop portion 114 of the side wall 112 of the fixing seat. When the sealing member 120 is sealed by the elastic member 161 When biased to the open end 1121 , the barb 122 abuts against the stop portion 114 from the accommodating end 1122 to prevent the sealing member 120 from detaching from the fixing seat 110 . In one embodiment, the hole sealing member 120 has a plurality of barbs 122, and there are a plurality of stoppers 114 on the long side and/or short side of the side wall 112 of the fixing seat, and the plurality of barbs 122 are respectively set to correspond to the fixing position. The stop portion 114 on the long side and/or the short side of the seat side wall 112 . In other embodiments, the stop positioning of the sealing member 120 can be achieved in other forms, for example, the cross section of the open end 1121 is set to be smaller than the sealing surface 121 to prevent the sealing member 120 from detaching from the fixing seat 110 .

The specific structure of the socket 130 and the first canopy pole fixing member 140 will now be described with reference to FIGS. 7A-7B .

It should be understood that although in the embodiment of the present invention, the socket 130 is assembled to the first canopy pole fixing member 140, the socket 130 according to the present invention may be applied to different items.

The socket 130 has a cylindrical socket side wall 131 , so that the socket 130 can be inserted and sleeved into the side wall 112 of the fixing seat through the open end 1121 along an insertion direction. A protruding portion 132 is disposed on the outer side of the socket side wall 131 , and the protruding portion 132 protrudes outward from the outer side of the socket side wall 131 . When the socket 130 is inserted into the fixing seat 110 , the protrusion 132 can enter the fixing seat 110 over the stopper 114 and abut against the stopper 114 from the receiving end 1122 to prevent the socket 130 from breaking away from the fixing seat 110 .

In one embodiment, the socket side wall 131 has a plurality of protrusions 132 corresponding to the stoppers 114 on the long side and/or the short side of the fixing seat side wall 112 respectively. Such a design allows all sides of the socket 130 to be locked in the fixing seat 110 , thereby increasing the stability of the canopy 200 .

In one embodiment, the protrusion 132 extends on the socket side wall 131 along a direction perpendicular to the insertion direction, and at both ends of the protrusion 132, a slot 133 parallel to the insertion direction is respectively opened on the socket side wall 131 . Such a design allows the protruding part 132 to sink through elastic deformation, so that the stopper part 114 can be easily passed over during the insertion process of the socket 130 . Moreover, when the user needs to pull out the socket 130 , the protruding portion 132 can pass over the stop portion 114 and leave the fixing base 110 with only a little force.

It should be understood that in other embodiments, the socket 130 can be fixed to the fixing base 110 in different ways, such as snap fit, friction fit and so on.

The first canopy fixer 140 is attached to an outer surface of the socket 130 along the insertion direction. In this way, when the receptacle 130 is fully inserted into the fixing seat 110, the first canopy fixing member 140 is close to the side of the seat body 300 to partially cover the joint structure 100, so that the entire joint structure 100 is rarely exposed to the outside, forming Neat appearance. In this embodiment, the first roof fixing member 140 and the socket 130 are formed as one component, it should be understood that in other embodiments, the first roof fixing member 140 and the socket 130 may be formed as separate components.

The first roof fixing member 140 includes a first disc portion 141 and a first roof pole connection portion 142 . The first disc-shaped portion 141 is disposed on one side of the socket 130, one end of the first canopy rod connecting portion 142 is connected to the outer periphery of the first disc-shaped portion 141, and the other end extends obliquely upward toward the child safety seat, and is connected to to one end of the U-shaped structure of the first canopy pole 210 . The center of the first disc-shaped portion 141 is a hollow accommodating space 143 for accommodating at least a part of the second canopy pole fixing part 150 , the canopy pole elastic part 162 and the cover 160 . A plurality of positioning slots 144 are formed on the circumferential inner wall of the accommodating space 143 for the rotational positioning between the second canopy pole fixing part 150 and the first canopy pole fixing part 140 .

The second canopy pole mount 150 will now be described in detail with reference to FIGS. 8A-8B .

The second roof pole fixing member 150 includes a second disc portion 151 and a second roof connection portion 152 . The second disc-shaped part is a part that is rotatably attached to the first canopy fixing part 140, and one end of the second canopy connecting part 152 is connected to the outer periphery of the second disc-shaped part 151, and the other end faces obliquely forward of the child safety seat. Extended and connected to one end of the U-shaped structure of the second canopy pole 220 . On the side of the second disc-shaped part 151 facing the first disc-shaped part 141, a rotating part 153 is provided, and the size of the rotating part 153 roughly corresponds to the accommodation space 143 of the first disc-shaped part 141, so as to be rotatably Accommodated in the accommodating space 143 . At least one positioning protrusion 154 is provided on the outer periphery of the rotating part 153, and the positioning protrusion 154 corresponds to at least one positioning groove 144 on the circumferential inner wall of the accommodating space 143, so that the second canopy pole fixing member 150 can be positioned relative to the first. A canopy rod fixing part 140 fixed at one or more specific angular positions. The center of the rotating part 153 is provided with a through hole 155, so that a part of the cover 160 passes through the second roof rod fixing part 150 and is connected to the first roof rod fixing part 140 to form the second roof rod fixing part 150 and the first roof rod fixing part 150. A swivel connection between a canopy pole fixture 140 .

There is a roof rod elastic member 162 between the second disc part 151 and the first disc part 141, which is, for example, a torsion spring, biasing the first roof rod fixing part 140 and the second roof rod fixing part 150 to pivot towards the collapse direction. For the sake of brevity, the arrangement of the roof rod elastic member 162 will not be discussed here.

The detailed assembly of the child safety seat according to the present invention will now be described with reference to FIGS. 9A-10B .

In the state shown in FIGS. 9A-9B , the socket 130 has been inserted into the fixing base 110 . At this time, the protruding portion 132 on the outer wall of the socket 130 engages with the stop portion 114 on the inner wall of the fixing base 110 from the side of the receiving end 1122 , thereby keeping the socket 130 inside the fixing base 110 . The sealing member 120 is pressed by the socket 130 so as to overcome the bias force of the elastic member 161 of the sealing member and move to the vicinity of the accommodating end 1122 of the side wall of the fixing seat. The first canopy mount 140 (and the first canopy rod 210 mounted thereon) are close to the side of the seat body 300 .

In the state shown in FIGS. 10A-10B , the socket 130 has been pulled out from the fixing seat 110 , and the canopy rod has been removed accordingly. At this time, the sealing member 120 is biased by the elastic member 161 of the sealing member to move to the open end 1121 of the fixing seat 110 . The barb 122 of the sealing member 120 engages with the stop portion 114 on the inner wall of the fixing seat 110 from the side of the accommodating end 1122 , so as to keep the sealing member 120 inside the fixing seat 110 . The size of the sealing member 120 is designed such that when the barb 122 engages on the stopper 114 , the sealing surface 121 is exactly flush with the open end 1121 . In this way, the sealing surface 121 closes the open end 1121 of the fixing base 110 .

Another embodiment of the engagement structure according to the present invention will now be described with reference to FIGS. 11A to 14C . This embodiment is substantially the same as the previous embodiment except that the engagement structure also has a release button 170 . The function of the release button 170 is to facilitate the separation of the engaging structure 100 from the fixing seat 110 .

As shown in the figure, the release button 170 is disposed on the side of the socket 130 and is partially inserted into the socket 130 . More specifically, the release button 170 is slidable in a generally up-down direction (ie, perpendicular to the insertion direction of the socket 130 ) between a locked position away from the socket 130 and a released position close to the socket.

The release button 170 is provided with a pushing portion 171 and a locking portion 172 on a side away from the socket 130 . The pushing portion 171 and the locking portion 172 are exposed outside the socket 130 , both of which protrude outward perpendicular to the insertion direction of the socket 130 , and the locking portion 172 is closer to the fixing seat 110 than the pushing portion 171 . The release button 170 is provided with a release button elastic part fixing part 173 on the side facing the socket 130, and one end of the release button elastic part 163 in the form of a spring is fixed on the release button elastic part fixing part 173, and the other end is against the inside of the socket 130 , so as to bias the release button 170 toward the locked position. The socket 130 is further provided with a limiting portion 134 , which prevents the release button 170 from moving away from the socket 130 .

In this way, when the socket 130 is inserted into the fixing seat 110 , the pushing portion 171 remains outside the fixing seat 110 , while the locking portion 172 is inserted into the fixing seat 110 and snapped inside the edge of the fixing seat 110 . Thus, the release button 170 can hold the receptacle 130 in the holder 110 . When the user needs to release the fixing seat 110 , the user only needs to push the pushing portion 171 toward the socket 130 to easily separate the socket 130 from the fixing seat 110 .

In the embodiment provided with the release button 170 , the protrusion 132 and the slot 133 do not have to be provided on the socket 130 .

To sum up, the present invention provides an engaging structure 100 that can conveniently engage the seat body 300 and the canopy 200 of the child safety seat without obvious holes when the canopy 200 is removed. . The engagement structure 100 according to the present invention provides a generally uncluttered appearance to the child safety seat whether or not the canopy 200 is installed. Moreover, the joint structure 100 of the present invention is not limited to be applied to child safety seats, and can also be used to joint any two objects.

A second embodiment according to the present invention will now be described with reference to FIGS. 15 to 20 . As shown, the engagement structure 910 according to the present invention may be used in a variety of applications, including but not limited to child carriers, Children's dining chairs, wheelchairs, recliners, etc. In addition, the engaging structure 910 can be attached to other various facilities besides the canopy mechanism 50 . For the sake of brevity, the following description takes the example that the engaging structure is applied to a child safety seat and the canopy mechanism 50 is attached.

As shown in FIG. 15 , which is a schematic diagram of a child safety seat according to the present invention, the child safety seat includes a seat portion 20 and a backrest portion 30 , and the seat portion 20 and the backrest portion 30 are approximately in the shape of, for example, 90 degrees to enclose a space for the user to sit on. Of course, the seat portion 20 and the backrest portion 30 can also be at other angles. In order to improve the riding comfort, a head rest portion 40 is provided on the upper end of the backrest portion 30 for resting the user's head.

In addition, for the purpose of shading the sun, sheltering from the rain, shielding the wind, or for privacy and safety, it is more and more inclined to add a canopy mechanism 50 to the child safety seat. At the same time, refer to FIG. 16 , which is a schematic diagram of a child safety seat according to the present invention. The child safety seat shown in this figure is inserted and connected with an engaging structure 910 . Specifically, a fixing seat 32 is provided on the back of the backrest portion 30 , and the fixing seat 32 may be in the form of a blind hole, ie, has an opening and a bottom opposite to the opening. In one embodiment, two fixing seats 32 are symmetrically arranged with respect to the central longitudinal axis of the backrest portion 30, and two engaging structures 910 are respectively inserted in the two fixing seats 32, and the two engaging structures 910 The top mechanism 50 is commonly attached. For ease of illustration, the canopy mechanism 50 only shows the main frame structure without showing the canopy cover.

The joint structure 910 includes two main parts, namely, a socket 912 and a sealing member 914. The sealing member 914 is arranged in the fixing seat 32 provided on the backrest portion 30, and the socket 912 can be inserted in the fixing seat 32, It can also be disassembled from the fixing seat 32 . Specifically, the sealing member 914 is always arranged in the fixing seat 32, and the socket 912 abuts against the sealing member 914 when inserted in the fixing seat 32, and when the socket 912 is removed from the fixing seat 32, the sealing member 914 moves to block the opening of the fixing base 32 . The receptacle 912 of the engagement structure 910 is shown schematically in FIG. 17 with the attached top mechanism 50 . Referring to FIG. 18 , this FIG. 18 is a schematic diagram of a socket with an engaging structure according to the present invention.

The socket 912 includes an abutting top 921, a connecting end 922 and an intermediate section 923 arranged between the abutting top 921 and the connecting end 922. The abutting top 921 abuts against the sealing member 914 when the socket 912 is inserted into the fixing seat 32, The connection end 922 may attach components such as the roof mechanism 50 . The middle section 923 is provided with a locking portion 9231 , an unlocking portion 9232 , and a reset portion 9233 . The aforementioned locking portion is, for example, in the form of a hook, and extends along a direction substantially perpendicular to the insertion direction of the socket 912 . The above-mentioned unlocking part 9232 and locking part 9231 are, for example, integrally formed. In a direction substantially perpendicular to the insertion direction of the socket 912 , the movement of the unlocking part 9232 can cause the locking part 9231 to also move in this direction. The reset part 9233 is in the form of a shrapnel in this embodiment, and the movement of the unlocking part 9232 in a direction substantially perpendicular to the insertion direction of the socket 912 needs to overcome the elastic force of the reset part 9233, so after releasing the unlocking part 9232, the The resetting part 9233 in the form of an elastic piece will release its elastic force, and push the locking part 9231 to reset again, that is, move to the initial position. The unlocking portion 9232 is configured to be exposed outside the fixing base 32 , so as to facilitate manipulation of the unlocking portion 9232 from the outside of the fixing base 32 . At the same time, in order to avoid slipping, a corrugated structure is provided on the pressing surface of the unlocking part 9232 to increase the frictional force.

FIG. 19 shows the specific structure of the sealing member 914. In a preferred embodiment, as shown in FIG. Of course, other structural shapes can also be applied to the sealing member 914 , as long as the outline of the sealing member 914 matches the outline of the fixing base 32 . Of course, in order to facilitate manufacture and reduce costs, the outline of the sealing member may also be smaller than the outline of the fixing seat 32 .

The hole sealing member 914 is in the form of a cover, that is, it includes a cover 941 and a side wall 942 vertically extending from the periphery of the cover 941 . The side wall 942 is further provided with an engaging part 943 . In addition, in order to make the hole sealing member 914 move smoothly to block the opening of the fixing seat 32 , an elastic member 916 is also provided to provide a restoring force for the hole sealing member 914 to move. For this purpose, the elastic member 916 is disposed in the housing of the sealing member 914 , that is, accommodated between the cover 941 and the bottom opposite to the opening of the fixing seat 32 . When the top end 921 of the socket 912 inserted in the fixed seat 32 abuts against the cover 941 of the sealing member 914, the elastic member 916 is compressed on the cover of the sealing member. Between the body 941 and the bottom of the fixing seat 32 , once the socket 912 is disassembled from the fixing seat 32 , the compressed elastic member 916 provides a restoring force to push the sealing member 914 to seal the opening of the fixing seat 32 .

Next, the action process of the joint structure 910 according to the present invention will be described in detail with reference to FIG. 20 , which is a schematic diagram of the joint structure 910 according to the present invention, which shows the matching relationship between the socket 912 and the sealing member 914 .

The hole-sealing piece 914 is always arranged in the fixing seat 32, and the elastic member 916 abuts between the bottom of the fixing seat 32 and the hole-sealing piece 914. In the embodiment shown in the drawings, the elastic member 916 is abutted on Between the bottom of the fixing seat 32 and the cover 941 of the sealing member 914 . FIG. 20 shows a state in which the socket 912 is inserted into the fixing base 32 . At this time, the abutting end 921 of the socket 912 abuts against the cover 941 . And the locking portion 9231 of the socket 912 is locked in the corresponding engaging structure provided in the fixing seat 32 . The canopy mechanism 50 to which the connection end 922 of the socket 912 is attached is connected to the child safety seat in this state.

And when the canopy mechanism 50 is not used for a long time or needs to be cleaned, from the outside of the fixing seat 32, press the unlocking part 9232 in a direction substantially perpendicular to the insertion direction of the socket 912, and the unlocking part 9232 is generally perpendicular to the insertion direction. Since the unlocking part 9232 and the locking part 9231 form an integrated structure, the locking part 9231 also moves in a direction substantially perpendicular to the insertion direction under the drive of the unlocking part 9232, so that the locking part 9231 disengages from the engaging structure correspondingly provided in the fixing seat 32, and at this time, the socket 912 and the roof mechanism 50 attached thereto can be disassembled.

When the roof mechanism 50 needs to be attached again, it is only necessary to insert the socket 912 into the fixed seat again under the state of pressing the unlocking part 9232. During the process of pressing the unlocking part 9232, the reset part 9233 will be compressed, so when the socket When the locking part 9231 is released after the 912 is inserted in place, the locking part 9231 will cooperate with the corresponding engaging structure in the fixing seat 32 again under the restoring force of the reset part 9233 to lock the socket 912 . In this way, the canopy mechanism 50 connected to the connection end 922 of the socket 912 is connected to the child safety seat again.

In the joint structure 910 according to the present invention, the sealing member 914 is always arranged in the fixing seat 32, so when the roof mechanism 50 needs to be disassembled, even if the socket 912 is removed from the fixing seat 32, the sealing member 914 will also move and block the opening of the fixing seat 32 under the action of the elastic force of the elastic member 916, thereby improving the overall aesthetics after the socket 912 is removed, and at the same time preventing the user's fingers from being accidentally injured by the fixing seat. Hazard, increased safety.

The above disclosures are only preferred embodiments of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.

100: joint structure

200: canopy

300: seat body

301: shell

302: headrest

303: back to back

304: Block

310: side impact protection block

Claims (21)

An engaging structure for detachably engaging a first object to a second object, the engaging structure comprising: a fixing seat connected to the first object, the fixing seat having a fixing seat side wall, the fixing seat The side wall has an open end and an accommodating end oppositely arranged; the socket is connected to the second object, the socket has a socket side wall, and the socket can be inserted into the fixed seat side wall through the open end , so as to join the second object to the first object; the sealing member is arranged inside the side wall of the fixing seat, between the accommodating end and the socket, and can be connected between the open end and the socket. Moving between the accommodating ends, the sealing member has a sealing surface at the open end, and the shape of the sealing surface corresponds to the cross-sectional shape of the side wall of the fixing seat at the open end; and an elastic member of the sealing member, which is arranged between the sealing member and the receiving end, and is configured to exert a bias force on the sealing member toward the open end, so that the sealing member and the The socket elastically abuts; when the socket is not inserted into the fixed seat, the sealing member is biased to the open end by the elastic member of the sealing member; when the socket is inserted into the When it is in the fixing seat, the sealing member is pushed toward the accommodating end by the socket. The joint structure according to claim 1, wherein: the inner side of the side wall of the fixing seat is provided with a stopper, and the stopper is located at a position between the open end and the accommodating end, from the The inner side of the side wall of the fixing seat protrudes inward; the outer side of the socket side wall is provided with a protrusion, and the protrusion protrudes outward from the outer side of the socket side wall; When the socket is inserted into the fixed seat, the protruding part can enter the fixed seat over the stop part and abut against the stop part from the accommodating end side, so as to prevent the socket from disengage the holder. The joint structure according to claim 2, wherein the plurality of stoppers form a circle along the inner circumference of the side wall of the fixing seat, or are symmetrically arranged in a discrete manner on the inner circumference of the side wall of the fixing seat . The joint structure according to claim 2 or 3, wherein: the sealing member is provided with a barb, the barb extends from the sealing surface toward the receiving end and has a The hook protruding from the side wall of the seat; the barb is set so that, when the sealing member is biased to the open end by the elastic member of the sealing member, the barb abuts against the opening end from the accommodating end side The stopper is used to prevent the sealing member from detaching from the fixing seat. The joint structure according to claim 3, wherein: the cross-section of the side wall of the fixing seat is approximately rectangular, and the plurality of stoppers are provided on each long side and each short side of the rectangle; The side wall of the socket has a plurality of protrusions, the plurality of protrusions respectively correspond to the plurality of stoppers on the long side and/or the short side, the sealing member has a plurality of barbs, and the plurality of protrusions Each barb is respectively arranged to correspond to the plurality of stoppers on the long side and/or short side. The joint structure according to claim 2 or 3, wherein the protrusion extends on the side wall of the socket in a direction perpendicular to the insertion direction, and at both ends of the protrusion, two parallel The slots along the insertion direction are respectively opened on the side walls of the socket. The joint structure according to claim 1, wherein the joint structure further includes a release button, which is arranged on the side wall of the socket and partially inserted in the socket, and the release button can be The insertion direction slides between a locked position away from the receptacle and a released position proximate to the receptacle to selectively lock the receptacle to the mount. The joint structure according to claim 7, wherein: the release button includes: a pushing portion protruding outward perpendicular to the insertion direction of the socket on a side of the release button away from the socket; a locking portion, The side of the release button away from the socket protrudes outward perpendicular to the insertion direction of the socket, and is closer to the fixing seat than the pushing part; when the socket is inserted into the fixing seat , the pushing part stays outside the fixing seat, and the locking part is inserted into the fixing seat and engaged with the inner side of the stopper part on the side wall of the fixing seat. The joint structure according to claim 1, wherein: the fixed seat also has a fixed seat edge, and the fixed seat edge extends outward from the edge of the open end of the side wall of the fixed seat; when the socket is not inserted When entering the fixing seat, the sealing surface of the hole sealing member is substantially flush with the edge of the fixing seat. The joint structure according to any one of claims 1-3 or 7-8, wherein, in the insertion direction of the socket, the sum of the lengths of the socket and the sealing member is approximately equal to the fixing seat The length is such that when the socket is inserted into the fixing seat, the sealing member abuts against the accommodating end of the fixing seat. An engaging structure for detachably engaging a first object to a second object, the engaging structure comprising: a socket, for connecting to the second object, the socket can be plugged and connected to a fixing provided on the first object seat, and can be disassembled from the fixed seat, wherein the socket includes a locking part and an unlocking part, the locking part can move relative to the socket and is used to lock the socket in the fixed seat, so The unlocking part is exposed outside the fixed seat to be configured to unlock the locking of the socket in the fixed seat; and the hole sealing member is movably arranged in the fixed seat and inserted into It abuts against the socket when it is in the fixed seat, and can move to block the opening of the fixed seat when the socket is disassembled from the fixed seat. The joint structure according to claim 11, wherein the socket includes a butt end, a connection end and an intermediate section disposed between the abutment end and the connection end, the abutment end abuts against the sealing hole piece, the connecting end is configured to connect to the second piece. The joint structure according to claim 12, wherein the middle section is provided with the locking part, the unlocking part and a reset part, and the reset part is configured to reset the locking part. The joint structure according to claim 13, wherein the locking part is in the form of a hook, and the hook extends in a direction substantially perpendicular to the insertion direction of the socket, so that when the socket is inserted into the When locked in the fixed seat, it is locked in the corresponding engaging structure in the fixed seat; the unlocking part and the locking part form an integral structure, and in a direction substantially perpendicular to the insertion direction of the socket, The locking portion is movable by movement of the unlocking portion. The joint structure according to claim 14, wherein the unlocking part is in the form of a button with a corrugated surface, and the reset part is in the form of a reset spring, which abuts against the unlocking part. The joining structure according to claim 11, wherein the contour of the sealing member is formed to match the contour of the fixing seat. The joint structure according to claim 11, wherein the joint structure further includes an elastic member, the elastic member is arranged between the hole sealing member and the bottom of the fixing seat opposite to the opening, Or set at the bottom of the sealing member. The joining structure according to claim 17, wherein the hole sealing member is in the form of a cover body, including a cover body and a side wall vertically extending from the periphery of the cover body, and a locking member is provided on the side wall. The joining structure according to claim 18, wherein the elastic member is disposed in the space surrounded by the side walls of the hole sealing member, and abuts between the cover and the bottom of the fixing seat. A child safety seat, comprising: a seat body; a canopy; and the engaging structure according to any one of claims 1-19, which is used to detachably couple the canopy to the seat body the upper part of the seat body; the two engaging structures are respectively arranged on both sides of the seat body, and the accommodating end of each of the fixing seats is embedded into the seat body from the corresponding side of the seat body, each The open ends of each of the fixing seats are exposed on the side of the seat body. The child safety seat as claimed in claim 20, wherein: said canopy comprises a first canopy pole and a second canopy pole which are generally U-shaped, and each of said engaging structures comprises a first canopy pole fixing member and a second canopy pole mount, wherein the first canopy pole mount fixed on said socket of a respective one of said two engagement structures, said second canopy pole mount being pivotally connected to said first canopy pole mount; both ends of said first canopy pole respectively fixedly connected to the first canopy pole fixing part of the corresponding one of the two joint structures; The two ends of the canopy pole fixing member enable the second canopy pole to rotate relative to the first canopy pole around an axis parallel to the insertion direction of the socket.

Images