Child safety seat

Abstract

To provide a child safety seat having a neat appearance and high safety.SOLUTION: The present invention provides a child safety seat, comprising a seat body and a sealing mechanism, wherein the seat body is provided with a mounting opening for inserting an accessory, the sealing mechanism comprises a sealing component, the sealing component is slidably disposed in the mounting opening and used to close the mounting opening, and when the accessory pushes the sealing component, the sealing component is pushed in a pushing direction to connect the accessory to the seat body; The seat body has a fixing seat, the mounting opening is formed on the fixing seat, the accessory pushes the sealing member to be engaged with the fixing seat, and the sealing member is slidably inserted into and connected to an engaging position of the accessory.SELECTED DRAWING: Figure 8

Description

[Technical Field]

[0001] The present invention relates to the field of children's products, and in particular to child safety seats. [Background technology]

[0002] A child safety seat is a child seat that is assembled inside a vehicle so that the child can sit in it, restraining the child with the child safety seat and ensuring the child's safety while driving. There are two types of child safety seat systems on the market: one is a five-point seat belt, and the other is a front restraint. Here, a front restraint-type child safety seat can effectively protect the child's cervical vertebrae. After the child sits in the seat body, the front restraint is fixedly connected to the seat body, but the front restraint does not completely secure the child to the seat body. In the event of a collision or sudden braking, the child's body will have a certain curvature, so cushioning is provided by the front restraint, reducing the impact on the child's neck.

[0003] Conventional front-protection type child safety seats usually have a socket on the seat body for inserting and attaching the front-protection body, but this socket is open and prone to collecting dust, which affects the cleanliness of the child safety seat.In addition, because this socket is open, there is a possibility that a child's hand may accidentally insert itself into the socket when riding on the seat body, which poses a safety risk. Summary of the Invention [Problem to be solved by the invention]

[0004] An object of the present invention is to provide a child safety seat that has a neat appearance and is highly safe. [Means for solving the problem]

[0005] In order to achieve the above-mentioned object, the present invention provides a child safety seat comprising a seat body, a connecting part, and a sealing mechanism, wherein the seat body is provided with an attachment port for inserting an accessory, the connecting part is provided within the attachment port and fixedly connected to the seat body, the sealing mechanism includes a sealing part, which is provided slidably within the attachment port and is used to close the attachment port, and the sealing part is provided with an accommodating groove with an opening facing outward for accommodating the connecting part, and the accessory presses the sealing part to remove the connecting part from the accommodating groove, thereby connecting the accessory to the connecting part.

[0006] Compared with the prior art, the child safety seat of the present invention is provided with a sealing mechanism, and the mounting opening on the seat body is closed with the sealing part of the sealing mechanism, which prevents dust from accumulating in the mounting opening from the outside, thereby improving the cleanliness of the child safety seat's appearance and preventing a child's hand from accidentally inserting itself into the mounting opening, thereby improving the safety of the child safety seat. Furthermore, when an accessory needs to be attached, the accessory can be attached to the seat body by pressing the sealing part, releasing the connecting part from the receiving groove, connecting the accessory and the connecting part, and then attaching the accessory to the seat body.

[0007] Preferably, the seat further includes a position limiting part, the position limiting part being provided in the mounting opening and fixedly connected to the seat body, a position limiting groove being provided in the sealing part, and the position limiting part being inserted into the position limiting groove and connected.

[0008] Preferably, the sealing mechanism includes a first elastic reset member for driving the sealing component, the first elastic reset member being provided between the sealing component and the seat main body.

[0009] Preferably, a recess is provided in the sealing component, and one end of the first elastic reset member is inserted into and connected to the recess.

[0010] Preferably, the seat body is provided with a fixed seat positioned within the mounting opening, and the fixed seat is provided with a slide groove, so that the sealing component can slide along the slide groove.

[0011] Preferably, the first elastic reset member is provided in the slide groove and positioned between the sealing component and the fixed seat.

[0012] Preferably, the seat further includes a rolling element, which is pivotally attached to the seat body and disposed between the inner wall of the mounting opening and the sealing element.

[0013] Preferably, several rolling elements are provided at intervals along the sliding direction of the sealing element.

[0014] Preferably, the accessory is a prontoprotector.

[0015] Preferably, the accessory is provided with an engaging portion, which is inserted into the mounting opening and is detachably connected to the connecting component.

[0016] A child safety seat comprising a seat body and a sealing mechanism, wherein the seat body is provided with an attachment opening for inserting an accessory, the sealing mechanism includes a sealing part which is slidably provided within the attachment opening and is used to close the attachment opening, and the accessory is connected to the seat body by pressing the sealing part.

[0017] Compared with the prior art, the child safety seat of the present invention is provided with a sealing mechanism, and the mounting opening on the seat body is closed with the sealing part of the sealing mechanism, which prevents dust from accumulating in the mounting opening from the outside, thereby improving the cleanliness of the child safety seat's appearance and preventing a child's hand from accidentally inserting itself into the mounting opening, thereby improving the safety of the child safety seat. In addition, when an accessory needs to be attached, the accessory can be connected to the seat body by pressing the sealing part.

[0018] Preferably, the seat body has a fixed seat, the mounting opening is formed in the fixed seat, and the accessory is engaged with the fixed seat by pressing the sealing part.

[0019] Preferably, the side wall of the fixed seat is provided with an engagement portion for engaging with the accessory.

[0020] Preferably, the sealing part is connected by being slidably inserted into the engagement portion.

[0021] Preferably, the seal component includes a seal body and a position limiting portion, the position limiting portion being connected to one side of the seal body, and the position limiting portion being inserted into and connected to the engagement portion.

[0022] Preferably, the sealing mechanism further includes a first elastic reset member for resetting the sealing component, the first elastic reset member being provided between the sealing component and the seat main body.

[0023] Preferably, the accessory further includes a case and a first engaging part, the first engaging part being provided on the case, one end of the first engaging part being pivotally attached to the case, and rotation of the first engaging part causing the other end of the first engaging part to protrude from the case or be hidden inside the case, thereby engaging or disengaging the first engaging part with the seat main body.

[0024] Preferably, the case is provided with a first through hole through which the other end of the first engaging part projects.

[0025] Preferably, a second through hole is provided in the case, and the central portion of the first engaging part is inserted into the second through hole to be connected.

[0026] Preferably, the accessory further includes a second elastic reset member, the second elastic reset member being arranged between the first engaging part and the case, and the second elastic reset member being used to cause the first engaging part to protrude from the case.

[0027] Preferably, the accessory further includes a second engagement part, the second engagement part being provided in the case, one end of the second engagement part being pivotally attached to the first engagement part, and a central portion of the second engagement part being pivotally attached to the case, and by rotating the first engagement part, the second engagement part is rotated so that the other end of the second engagement part protrudes from the case or is hidden inside the case, thereby engaging or disengaging the second engagement part from the seat main body.

[0028] Preferably, the case is provided with a third through hole through which the other end of the second engaging part projects.

[0029] Preferably, the accessory is a side impact protection block to be connected to the side edge of the seat main body. [Brief explanation of the drawings]

[0030] [Figure 1] 1 is a schematic diagram of a three-dimensional structure of a child safety seat according to a first embodiment of the present invention. [Figure 2] 1 is a schematic diagram showing the configuration of an accessory of a child safety seat according to a first embodiment of the present invention; [Figure 3] 1 is a schematic diagram showing the configuration of a seat body of a child safety seat according to a first embodiment of the present invention. [Figure 4] FIG. 4 is an enlarged view of a portion A in FIG. 3. [Figure 5] 1 is a schematic diagram showing the internal configuration of a seat body of a child safety seat according to a first embodiment of the present invention. [Figure 6] 1 is a schematic diagram of the internal configuration of a child safety seat according to a first embodiment of the present invention, with accessories attached thereto; [Figure 7] FIG. 6 is a schematic diagram of a three-dimensional structure of a child safety seat according to a second embodiment of the present invention. [Figure 8] FIG. 6 is a cross-sectional view of a sealing mechanism of a child safety seat according to a second embodiment of the present invention. [Figure 9] FIG. 10 is a schematic diagram showing a configuration in which accessories are attached to a child safety seat according to a second embodiment of the present invention. [Figure 10] FIG. 6 is a schematic diagram showing the internal configuration of a child safety seat according to a second embodiment of the present invention. [Figure 11] FIG. 11 is an enlarged view of a portion B in FIG. [Figure 12] FIG. 10 is a schematic diagram showing the internal configuration of an accessory for a child safety seat according to a second embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0031] In order to describe the technical contents and structural features of the present invention in detail, the following embodiments are combined and further described in conjunction with the drawings.

[0032] Example 1 1 to 6, a child safety seat 100 of the present invention includes a seat body 1, a connecting part 2, and a sealing mechanism 3. The seat body 1 is provided with an attachment opening 11 for inserting an accessory 6, the connecting part 2 is provided within the attachment opening 11 and fixedly connected to the seat body 1, the sealing mechanism 3 includes a sealing part 31, the sealing part 31 is provided slidably within the attachment opening 11 and is used to close the attachment opening 11, and the sealing part 31 is provided with an accommodating groove 311 with its opening facing outward for accommodating the connecting part 2, and when the accessory 6 pushes the sealing part 31 to be inserted into the attachment opening 11, the connecting part 2 is released from the accommodating groove 311 and the accessory 6 is connected to the connecting part 2, thereby realizing attachment of the accessory 6 to the seat body 1.

[0033] In this embodiment, the accessory 6 is a front protector, but is not limited thereto. Specifically, the accessory 6 is provided with an engagement portion 61, which is inserted into the mounting opening 11 and detachably connected to the connecting part 2. When the accessory 6 needs to be attached, the engagement portion 61 of the accessory 6 pushes the sealing part 31 and inserts it into the mounting opening 11, thereby connecting the engagement portion 61 to the connecting part 2. Here, the connecting part 2 is a fixed horizontal bar, and the engagement portion 61 is an engagement hook. The connection part 2 and the engagement portion 61 engage with each other to attach the accessory 6 to the seat main body 1, and the engagement portion 61 disengages from the connection part 2 and moves away from the mounting opening 11 to remove the accessory 6. The configuration of the engagement portion 61 and the connecting part 2 is not limited thereto. For example, the engagement portion 61 and the connecting part 2 can be an engagement block and an engagement hole.

[0034] 5 and 6, the sealing mechanism 3 includes a first elastic reset member 32 for driving the sealing component 31, and the first elastic reset member 32 is provided between the sealing component 31 and the seat main body 1. When the accessory 6 pushes and slides the sealing component 31, the sealing component 31 compresses the first elastic reset member 32, and when the accessory 6 is removed from the mounting opening 11 and releases the sealing component 31, the sealing component 31 slides and returns to its initial position due to the elastic recovery force of the first elastic reset member 32, and the connecting component 2 is accommodated again in the accommodation groove 311 of the sealing component 31, thereby closing the mounting opening 11.

[0035] Specifically, a recess 312 is provided in the sealing component 31, one end of the first elastic reset member 32 is inserted into and connected to the recess 312, and the other end of the first elastic reset member 32 is connected to the seat main body 1. Furthermore, the seat main body 1 is provided with a fixed seat 12 located within the mounting opening 11, and a slide groove 121 is provided in the fixed seat 12, so that the sealing component 31 can slide along the slide groove 121. The other end of the first elastic reset member 32 is provided in the slide groove 121 and connected to the fixed seat 12, and the first elastic reset member 32 is located between the sealing component 31 and the fixed seat 12. When the accessory 6 presses and slides the sealing component 31, the sealing component 31 is inserted into the slide groove 121 and slides along the slide groove 121.

[0036] 5 and 6, the child safety seat 100 of the present invention further includes a position limiting part 4, which is provided in the mounting opening 11 and fixedly connected to the seat body 1, and a position limiting groove 313 is provided in the sealing part 31, and the position limiting part 4 is inserted into the position limiting groove 313 to be connected. When the accessory 6 pushes and slides the sealing part 31, the position limiting part 4 slides relative to the position limiting groove 313, and at the same time, the position limiting groove 313 limits the sliding stroke of the sealing part 31.

[0037] Furthermore, the child safety seat 100 of the present invention further includes a rolling element 5, which is pivotally attached to the seat body 1 and disposed between the inner wall of the mounting opening 11 and the sealing element 31. When the accessory 6 presses the sealing element 31, the sealing element 31 slides on the rolling element 5, and the rolling element 5 can convert the sliding friction experienced by the sealing element 31 into rolling friction. Specifically, several rolling elements 5 are disposed at intervals along the sliding direction of the sealing element 31. Here, the rolling elements 5 are distributed on both the upper and lower sides of the sealing element 31.

[0038] 1 to 6, the operating principle of the child safety seat 100 in this embodiment is as follows.

[0039] When the accessory 6 needs to be attached, the engaging portion 61 of the accessory 6 pushes the sealing component 31 into the mounting opening 11, disengaging the connecting component 2 from the receiving groove 311 and thereby connecting the engaging portion 61 to the connecting component 2. During this process, the sealing component 31 compresses the first elastic resetting member 32. When the accessory 6 needs to be removed, the engaging portion 61 is disengaged from the connecting component 2 and separated from the mounting opening 11, and the sealing component 31 slides back to its initial position due to the elastic restoring force of the first elastic resetting member 32, thereby closing the mounting opening 11.

[0040] As described above, by providing the sealing mechanism 3 in the child safety seat 100 of the present invention and closing the mounting opening 11 on the seat main body 1 with the sealing part 31 of the sealing mechanism 3, it is possible to prevent dust from the outside from accumulating in the mounting opening 11, thereby improving the cleanliness of the appearance of the child safety seat 100 and preventing a child's hand from accidentally inserting itself into the mounting opening 11, thereby improving the safety of the child safety seat 100. Furthermore, when it is necessary to attach the accessory 6, the accessory 6 presses the sealing part 31 to release the connecting part 2 from the accommodating groove 311, thereby connecting the accessory 6 and the connecting part 2, and the accessory 6 can be attached to the seat main body 1.

[0041] Example 2 7 to 9, a child safety seat 100 of the present invention includes a seat body 1, a sealing mechanism 3, and an accessory 6, the seat body 1 is provided with an attachment opening 11 for inserting the accessory 6, the sealing mechanism 3 includes a sealing part 31, the sealing part 31 is provided slidably within the attachment opening 11 and is used to close the attachment opening 11, the accessory 6 is pressed against the sealing part 31 to connect to the seat body 1, and the accessory 6 is attached. In this embodiment, the seat body 1 has a fixing seat 12, the attachment opening 11 is formed in the fixing seat 12, and the accessory 6 presses against the sealing part 31 to be engaged with the fixing seat 12.

[0042] Specifically, an engagement point 122 for engaging with the accessory 6 is provided on the side wall of the fixed seat 12, and the accessory 6 engages with the engagement point 122 to be engaged with the fixed seat 12. Furthermore, the sealing mechanism 3 further includes a first elastic reset member 32 for resetting the sealing component 31, and the first elastic reset member 32 is provided between the sealing component 31 and the fixed seat 12 of the seat main body 1. When the accessory 6 presses the sealing component 31, the sealing component 31 compresses the first elastic reset member 32, and when the accessory 6 is removed from the seat main body 1, the sealing component 31 slides and returns to its original position due to the elastic recovery force of the first elastic reset member 32, thereby closing the mounting opening 11.

[0043] 8 , in this embodiment, the sealing component 31 is slidably inserted into and connected to the engagement points 122. Specifically, the sealing component 31 includes a seal body 314 and a position limiting portion 315. The position limiting portion 315 is connected to one side of the seal body 314 and is inserted into and connected to the engagement points 122. When the seat body 1 is not attached to the accessory 6, the position limiting portion 315 abuts against one end of the engagement points 122 to restrict the sealing component 31 and prevent the sealing component 31 from coming off the fixed seat 12. Here, two position limiting portions 315 are provided on both sides of the seal body 314, respectively, and the two position limiting portions 315 are inserted into and connected to the engagement points 122 on both sides of the fixed seat 12.

[0044] 10 to 12 , in this embodiment, the accessory 6 includes a case 62 and a first engaging part 63. The first engaging part 63 is provided in the case 62. One end of the first engaging part 63 is pivotally attached to the case 62. By rotating the first engaging part 63, the other end of the first engaging part 63 protrudes from the case 62 or is hidden inside the case 62, thereby engaging the first engaging part 63 with or disengaging from the seat main body 1. Specifically, the case 62 is provided with a first through-hole 621 through which the other end of the first engaging part 63 protrudes. The case 62 is also provided with a second through-hole 622. A central portion of the first engaging part 63 is inserted into and connected to the second through-hole 622, making it easy for an operator to rotate the first engaging part 63 via the central portion of the first engaging part 63.

[0045] Furthermore, the accessory 6 further includes a second elastic reset member 65. The second elastic reset member 65 is provided between the first engaging part 63 and the case 62 and is used to cause the first engaging part 63 to protrude from the case 62. When an operator presses a central portion of the first engaging part 63 to rotate the first engaging part 63, the central portion of the first engaging part 63 disengages from the second through-hole 622 and compresses the second elastic reset member 65, and the other end of the first engaging part 63 is hidden inside the case 62. When the operator releases the first engaging part 63, the first engaging part 63 is rotated and returned by the action of the second elastic reset member 65, and the central portion of the first engaging part 63 is reinserted into and connected to the second through-hole 622, and the other end of the first engaging part 63 penetrates the first through-hole 621 and protrudes outside the case 62 again.

[0046] 11 and 12, the accessory 6 further includes a second engaging part 64, which is provided in the case 62. One end of the second engaging part 64 is pivotally attached to the first engaging part 63, and a central portion of the second engaging part 64 is pivotally attached to the case 62. Rotation of the first engaging part 63 rotates the second engaging part 64, causing the other end of the second engaging part 64 to protrude from or be hidden within the case 62, and the second engaging part 64 engages with the seat main body 1 or disengages from the fixed seat 12. The first engaging part 63 and the second engaging part 64 engage with engaging portions 122 on both sides of the fixed seat 12, thereby stably attaching the accessory 6 to the seat main body 1. Specifically, a third through-hole 623 is provided in the case 62, through which the other end of the second engaging part 64 protrudes. In this embodiment, the accessory 6 is a side impact protection block to be connected to the side edge of the seat body 1, but is not limited to this.

[0047] With reference to FIGS. 7 to 12, the operating principle of the child safety seat 100 in this embodiment is as follows.

[0048] When the accessory 6 needs to be attached, first, the center of the first engaging part 63 is pressed to rotate the first engaging part 63, and the other end of the first engaging part 63 is hidden inside the case 62, compressing the second elastic reset member 65. At the same time, the rotation of the first engaging part 63 pushes and rotates the second engaging part 64, and the other end of the second engaging part 64 is also hidden inside the case 62. Next, the accessory 6 pushes the sealing part 31, sliding the sealing part 31 downwards, and the first The elastic reset member 32 is compressed, and then the first engaging part 63 is released. The first engaging part 63 is rotated back by the action of the second elastic reset member 65, causing the first engaging part 63 to protrude from the case 62 and engage with the engaging point 122 of the fixed seat 12. The rotation of the first engaging part 63 rotates the second engaging part 64, which then protrudes from the case 62 and engages with the engaging point 122 of the fixed seat 12, thereby realizing attachment of the accessory 6. When it is necessary to remove the accessory 6, the first engaging part 63 is rotated to rotate the second engaging part 64, and the first engaging part 63 and the second engaging part 64 are disengaged from the engagement points 122, and the accessory 6 is removed.

[0049] As described above, by providing the sealing mechanism 3 in the child safety seat 100 of the present invention and closing the mounting opening 11 on the seat main body 1 with the sealing part 31 of the sealing mechanism 3, it is possible to prevent dust from the outside from accumulating in the mounting opening 11, thereby improving the cleanliness of the appearance of the child safety seat 100 and preventing a child's hand from accidentally inserting itself into the mounting opening 11, thereby improving the safety of the child safety seat 100. Furthermore, when an accessory 6 needs to be attached, the accessory 6 can be connected to the seat main body 1 by pressing the sealing part 31.

[0050] The present specification also discloses the following invention.

[0051] (1) A child safety seat comprising a seat body and a sealing mechanism, an attachment opening for inserting an accessory into the seat main body is provided, the sealing mechanism includes a sealing part, the sealing part is slidably provided in the attachment opening and is used to close the attachment opening, and when the accessory presses the sealing part, the sealing part is pressed in a pressing direction, thereby connecting the accessory to the seat main body; The seat body has a fixed seat, and an engagement portion for engaging with the accessory is provided on a side wall of the fixed seat. The sealing part is slidably inserted into the engagement portion and connected. A child safety seat characterized by:

[0052] (2) The seal component includes a seal body and a position limiting portion, the position limiting portion is connected to one side of the seal body, and the position limiting portion is inserted into and connected to the engagement portion. The child safety seat according to (1) above.

[0053] (3) The sealing mechanism further includes a first elastic reset member for resetting the sealing component, and the first elastic reset member is provided between the sealing component and the seat main body. The child safety seat according to (1) above.

[0054] (4) An accessory is further provided, the accessory including a case and a first engaging part, the first engaging part is provided in the case, one end of the first engaging part is pivotally attached to the case, and the first engaging part is rotated so that the other end of the first engaging part protrudes from the case or is hidden inside the case, thereby engaging the first engaging part with or disengaging it from the seat main body. The child safety seat according to (1) above.

[0055] (5) The case is provided with a first through-hole through which the other end of the first engaging part protrudes. The child safety seat according to (4) above.

[0056] (6) A second through hole is provided in the case, and the center portion of the first engaging part is inserted into the second through hole and connected. The child safety seat according to (4) above.

[0057] (7) The accessory further includes a second elastic reset member, the second elastic reset member being provided between the first engagement part and the case, and the second elastic reset member being used to cause the first engagement part to protrude from the case. The child safety seat according to (4) above.

[0058] (8) The accessory further includes a second engaging part, the second engaging part being provided in the case, one end of the second engaging part being pivotally attached to the first engaging part, and a central part of the second engaging part being pivotally attached to the case, and the rotation of the first engaging part pushing and rotating the second engaging part causes the other end of the second engaging part to protrude from the case or to be hidden inside the case, thereby engaging the second engaging part with or disengaging it from the seat main body. The child safety seat according to (4) above.

[0059] (9) The case is provided with a third through hole through which the other end of the second engaging part protrudes. The child safety seat according to (8) above.

[0060] (10) The accessory is a side impact protection block to be connected to the side edge of the seat body. The child safety seat according to (4) above.

[0061] The above disclosure is merely a preferred example of the present invention, and the scope of the claims of the present invention cannot be limited thereby. Therefore, all equivalent modifications according to the claims of the present invention belong to the scope covered by the present invention. [Explanation of symbols]

[0062] 100 Child Safety Seat 1 seat body 11 Mounting port 12 Fixed seat 121 Slide groove 122 Engagement point 2 Connecting parts 3 Sealing mechanism 31 Sealing parts 311 Storage trench 312 recess 313 Position-limiting groove 314 Seal body 315 Position limited part 32 First elastic reset member 4. Position-limited parts 5 Rolling parts 6 Accessories 61 Engagement part 62 cases 621 First through hole 622 Second through hole 623 Third Through Hole 63 First engaging part 64 Second engaging part 65 second elastic reset member

Claims

1. A child safety seat comprising a seat body and a sealing mechanism, an attachment opening for inserting an accessory into the seat main body is provided, the sealing mechanism includes a sealing part, the sealing part is slidably provided in the attachment opening and is used to close the attachment opening, and when the accessory presses the sealing part, the sealing part is pressed in a pressing direction, thereby connecting the accessory to the seat main body; The seat body has a fixed seat, and an engagement portion for engaging with the accessory is provided on a side wall of the fixed seat. The sealing part is slidably inserted into the engagement portion and connected. A child safety seat characterized by:

2. The seal component includes a seal body and a position limiting portion, the position limiting portion is connected to one side of the seal body, and the position limiting portion is inserted into and connected to the engagement portion.

2. The child safety seat according to claim 1.

3. The sealing mechanism further includes a first elastic reset member for resetting the sealing component, the first elastic reset member being provided between the sealing component and the seat main body.

2. The child safety seat according to claim 1.

4. The accessory further includes a case and a first engagement part, the first engagement part is provided in the case, one end of the first engagement part is pivotally attached to the case, and the first engagement part is rotated so that the other end of the first engagement part protrudes from the case or is hidden inside the case, thereby engaging the first engagement part with or disengaging it from the seat main body.

2. The child safety seat according to claim 1.

5. a first through hole through which the other end of the first engaging part projects is provided in the case; 5. A child safety seat according to claim 4.

6. a second through hole is provided in the case, and a central portion of the first engaging part is inserted into the second through hole to be connected; 5. A child safety seat according to claim 4.

7. The accessory further includes a second elastic reset member, the second elastic reset member being disposed between the first engagement part and the case, and the second elastic reset member being used to cause the first engagement part to protrude from the case.

5. A child safety seat according to claim 4.

8. The accessory further includes a second engagement part, the second engagement part being provided in the case, one end of the second engagement part being pivotally attached to the first engagement part, and a central part of the second engagement part being pivotally attached to the case, and by rotating the first engagement part to push and rotate the second engagement part, the other end of the second engagement part protrudes from the case or is hidden inside the case, and the second engagement part is engaged with or disengaged from the seat main body.

5. A child safety seat according to claim 4.

9. a third through hole through which the other end of the second engaging part projects is provided in the case; 9. A child safety seat according to claim 8.

10. The accessory is a side impact protection block to be connected to a side edge of the seat body.

5. A child safety seat according to claim 4.

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