Child safety seat supporting structure

Abstract

The child safety seat supporting structure comprises supporting brackets and a reinforcing bracket, and the reinforcing bracket is connected between the two supporting brackets; the end face of the same side of the reinforcing support is provided with at least two clamping protruding blocks, and the clamping protruding blocks are arranged at intervals. The supporting bracket is provided with an insertion port which is used for the insertion of the clamping convex block. According to the child safety seat supporting structure, the end face of the end, connected with the supporting bracket, of the reinforcing bracket is provided with the at least two clamping protruding blocks, the supporting bracket is correspondingly provided with the insertion openings allowing the clamping protruding blocks to be inserted therein, connection between the reinforcing bracket and the supporting bracket is achieved, and mounting and dismounting between the reinforcing bracket and the supporting bracket are facilitated; the connecting points and the connecting area of the reinforcing support and the supporting support are increased, the connecting stability and the impact deformation resistance of the supporting support and the reinforcing support are greatly enhanced, the supporting stability of the supporting structure to the seat is guaranteed, the use safety of the child safety seat is improved, and the service life of the child safety seat is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of child safety seats, and in particular to a child safety seat support structure. Background Art

[0002] The child safety seat comprises a seat and a base, wherein the seat is rotatably connected to the base and can rotate relative to the base; wherein a bracket is provided on the base, and the bracket is used to be connected to the seat to support the seat.

[0003] In the prior art, in order to ensure the support stability and balance of the bracket to the base, the bracket mostly consists of two pieces, and the two brackets are arranged at an interval. A fixing rod is provided between the two brackets to strengthen the structural stability between the two brackets and ensure the support strength of the bracket to the seat.

[0004] However, when the child safety seat is in use, the weight of the child or the impact force generated by the vehicle during driving will be transmitted to the base through the bracket, so the bracket will bear a large impact force; however, in the prior art, only fixing rods are set between the brackets, and stress is easily concentrated at the connection between the fixing rods and the brackets. The connection area between the fixing rods and the brackets is small, which makes it easy for the brackets and the fixing rods to shake, and the connection between the fixing rods and the brackets is easily damaged, causing the connection between the seat and the base to fail and the child safety seat to be easily damaged; at the same time, when the fixing rods are connected to the brackets, they are mostly welded, and the welding points are small and difficult to locate, making welding difficult.

[0005] Therefore, the support structure for the seat in the prior art has room for further improvement. Utility Model Content

[0006] In view of this, in order to solve the technical problems that the connection area between the fixing rod and the bracket in the support structure of the seat of the child safety seat in the above-mentioned prior art is small and few, stress is easily concentrated at the connection between the fixing rod and the bracket, and the structural strength is low, the present application provides a child safety seat support structure, which has good structural strength and can provide relatively stable support for the child safety seat.

[0007] The present application provides a child safety seat support structure, comprising a support bracket and a reinforcement bracket, wherein the reinforcement bracket is connected between the two support brackets;

[0008] Wherein, at least two clamping protrusions are provided on the same side end surface of the reinforcing bracket, and the clamping protrusions are arranged at intervals;

[0009] The support bracket is provided with an inserting interface, and the inserting interface is used for inserting the clamping protrusion.

[0010] Compared with the prior art, in the child safety seat support structure provided by the present application, the seat is connected to the base through the support structure, wherein the support structure includes a reinforcing bracket and a support bracket, and the support bracket is used to connect to the seat of the child safety seat; the support bracket is provided with two, and the two support brackets are connected by the reinforcing bracket. Specifically, the end face of one end where the reinforcing bracket is connected to the support bracket is provided with at least two snap-fitting protrusions, and the snap-fitting protrusions are arranged at intervals. The support bracket is correspondingly provided with a plug-in interface for inserting the snap-fitting protrusions, and the snap-fitting protrusions are inserted into the plug-in interface to realize the connection between the reinforcing bracket and the support bracket; therefore, the reinforcing bracket and the support bracket in the present application are connected by snapping, which is convenient for installation and disassembly, and the installation procedure is greatly simplified; at the same time, the connection points and connection areas between the reinforcing bracket and the support bracket are increased, which greatly enhances the connection stability and impact deformation resistance of the support bracket and the reinforcing bracket, ensures the supporting stability of the support structure on the seat, and improves the safety and service life of the child safety seat.

[0011] Preferably, the reinforcing bracket includes a connecting portion and a supporting portion, wherein the connecting portion is connected to both ends of the supporting portion;

[0012] The clamping protrusion is arranged on the side end surface of the connecting portion away from the supporting portion.

[0013] Preferably, the support bracket includes a middle connecting plate and side connecting plates, the side connecting plates are arranged at both ends of the middle connecting plate, and the angle between the length extension direction of the side connecting plates and the length extension direction of the middle connecting plate is an obtuse angle;

[0014] Wherein, the plug-in ports are arranged at intervals along the length extension direction of the side end connecting plate.

[0015] Preferably, one end of the connecting portion is connected to the supporting portion, and the other end extends in a direction away from the supporting portion;

[0016] Along the length extension direction of the connecting portion, the length of the connecting portion is L1, the length of the supporting portion is L2, and the length of the side end connecting plate is L3, wherein L3≥L1>L2.

[0017] Preferably, along the length extension direction of the connecting portion, the supporting portion and the side end of the connecting portion form a bending angle, and the bending angle is a rounded angle.

[0018] Preferably, the reinforcing bracket further comprises a first bent plate and a second bent plate, wherein the first bent plate is arranged on a side of the supporting portion close to the middle connecting plate;

[0019] The second bending plate is arranged on a side of the support portion away from the first bending plate, wherein the second bending plate is connected to the connecting portion.

[0020] Preferably, a buffer groove is provided at the connection between the clamping protrusion and the connecting portion, and the buffer groove is recessed in a direction away from the protruding direction of the clamping protrusion;

[0021] Wherein, the surface of the buffer groove is a curved surface.

[0022] Preferably, a connecting pin is provided on the side end connecting plate, and at least a portion of the connecting pin protrudes toward the connecting portion;

[0023] Wherein, the connecting portion is provided with a snap-fitting groove, and the snap-fitting groove is used to accommodate the connecting pin.

[0024] Preferably, the support portion is provided with weight-reducing holes, the weight-reducing holes pass through the support portion, and the weight-reducing holes are arranged at intervals along the length extension direction of the support portion.

[0025] Preferably, the length of the snap-fitting protrusion is greater than the depth of the plug-in interface;

[0026] The width of the plug-in interface is greater than or equal to the thickness of the clamping protrusion.

[0027] The child safety seat support structure of the present application has at least the following technical effects:

[0028] 1. By providing at least two snap-fitting protrusions on the reinforcing bracket and providing an insertion interface for inserting the snap-fitting protrusions on the supporting bracket, the reinforcing bracket and the supporting bracket are snap-fitted, thereby simplifying the installation of the monkey scale structure, and increasing the connection area and connection points, thereby increasing the structural strength of the supporting structure;

[0029] 2. By setting the length of the connecting portion to be greater than that of the supporting portion, the reinforcing bracket forms an arched structure. The longer the connecting portion, the greater the area of ​​connection with the supporting bracket, thereby improving the connection strength between the reinforcing bracket and the supporting bracket, making the reinforcing bracket more resistant to shear force, and at the same time reducing the material used to make the reinforcing bracket, saving costs;

[0030] 3. By setting weight-reducing holes on the support part, the structural weight and manufacturing materials of the reinforcement bracket can be effectively reduced, effectively reducing the manufacturing cost;

[0031] 4. By providing a buffer groove with an arc surface, the stress concentration at the connection between the clamping protrusion and the side end of the connection part can be reduced, the probability of the clamping protrusion breaking can be reduced, and the structural stability of the support structure can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the three-dimensional structure of a child safety seat support structure provided by an embodiment of the present application;

[0033] Figure 2is a schematic top view of a child safety seat support structure provided by an embodiment of the present application;

[0034] Figure 3 This is a schematic diagram of the three-dimensional structure of a reinforcement bracket provided in one embodiment of the present application;

[0035] Figure 4 This is a schematic diagram of the three-dimensional structure of a support bracket provided in one embodiment of the present application;

[0036] Figure 5 yes Figure 1 A magnified schematic diagram of a local area A;

[0037] Figure 6 yes Figure 3 A magnified schematic diagram of local B.

[0038] Reference numerals: 1, base; 2, support bracket; 3, reinforcement bracket; 4, connecting pin;

[0039] 21. Plug port; 22. Middle connecting plate; 23. Front connecting plate; 24. Rear connecting plate;

[0040] 31. Snap-fit ​​protrusion; 32. Connecting portion; 33. Support portion; 34. Bending angle; 35. Weight-reducing hole; 36. First bending plate; 37. Second bending plate; 38. Buffer groove; 39. Snap-fit ​​groove. DETAILED DESCRIPTION

[0041] In order to enable those skilled in the art to better understand the technical solutions of the present disclosure, the present disclosure is described in detail, clearly, and completely in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present disclosure and are not intended to limit the present disclosure.

[0042] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0043] Those skilled in the art should understand that, in the disclosure of this application, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms cannot be understood as limiting this application.

[0044] The present application will be described in further detail below with reference to the accompanying drawings. Figures 1 to 6 illustrate.

[0045] The present application provides a child safety seat support structure, which is arranged between the seat and the base 1. The upper end of the support structure is connected to the seat, and the lower end is connected to the base 1. The support structure is used to support the seat, that is, the seat is connected to the base 1 through the support structure, and the support structure is used to transmit the force of the seat to the base 1.

[0046] Among them, Figures 1 to 2 As shown, the support structure includes a support bracket 2 and a reinforcement bracket 3. The support bracket 2 is provided in two pieces, and the reinforcement bracket 3 is connected between the two support brackets 2. The reinforcement bracket 3 is connected to the front end of the support bracket 2 (the end where the seat legs are located). The reinforcement bracket 3 is used to increase the structural strength between the two support brackets 2. When the seat transmits a force to the support bracket 2, the support bracket can transmit the force to the reinforcement bracket 3. The reinforcement bracket 3 is used to share the force, thereby reducing the impact resistance of the support bracket 2, thereby improving the impact resistance of the support structure as a whole to the seat; as shown Figure 3 As shown, the support bracket 2 includes a middle connecting plate 22 and a side connecting plate. The side connecting plates are arranged at both ends of the middle connecting plate 22. The side connecting plates are divided into a front side connecting plate 23 and a rear side connecting plate 24. The rear side connecting plate 24 and the front side connecting plate 23 are both arranged obliquely to the middle connecting plate 22, that is, the angle between the length extension direction of the front side connecting plate 23 and the length extension direction of the middle connecting plate 22 is an obtuse angle, and the angle between the length extension direction of the rear side connecting plate 24 and the length extension direction of the middle connecting plate 22 is an obtuse angle, and the front side connecting plate 23 and the rear side connecting plate 24 both extend obliquely upward, so that the support bracket 2 as a whole approaches a U-shaped structure with a gradually decreasing opening width.

[0047] Among them, Figures 3 to 6 The two pieces of bracket 31 are provided on the front and rear ends of the support frame 3 so as to facilitate the installation of the support frame 2 and the reinforcement frame 3.

[0048] Furthermore, the reinforcing bracket 3 is further described; Figure 3 、 Figures 5 and 6 As shown, the reinforcing bracket 3 includes a connecting portion 32 and a supporting portion 33. The connecting portion 32 is connected to both ends of the supporting portion 33. The connecting portion 32 is basically a plate-shaped structure, and the supporting portion 33 is also basically a plate-shaped structure; one end of the connecting portion 32 is connected to the supporting portion 33, and the other end extends in a direction away from the supporting portion 33. The connecting portion 32 is vertically connected to the supporting portion 33; along the length extension direction of the connecting portion 32, the length of the connecting portion 32 is L1, the length of the supporting portion 33 is L2, and the length of the side end connecting plate is L3, wherein L3 ≥ L1 > L2, that is, the length of the connecting portion 32 The length is greater than that of the support portion 33, so that the reinforcing bracket 3 forms a rectangular arch structure; wherein, the snap-fitting protrusion 31 is arranged on the side end face of the connecting portion 32 away from the support portion 33, that is, the connecting portion 32 is connected to the supporting bracket 2, and the length of the connecting portion 32 is longer, thereby increasing the area of ​​the fitting surface between the connecting portion 32 and the supporting bracket 2. When the supporting bracket 2 is subjected to the force of the seat, it can be transferred to the reinforcing bracket 3 more quickly and evenly, that is, the reinforcing bracket 3 has a better force sharing effect on the supporting bracket 2, thereby increasing the supporting stability of the support structure on the seat.

[0049] Moreover, the length of the connecting portion 32 is greater than the length of the supporting portion 33, which can increase the connection area between the reinforcing bracket 3 and the supporting bracket 2 while reducing the manufacturing materials of the reinforcing bracket 3 and effectively controlling the cost; at the same time, the reinforcing bracket 3 is a rectangular arch structure, which can improve the shear resistance performance of the reinforcing bracket 3 and improve the structural strength of the reinforcing bracket 3.

[0050] At the same time, in this embodiment, the connecting portion 32 is arranged along the length extension direction of the front side end connecting plate 23, and, along the length extension direction of the front side end connecting plate 23, the length of the front side end connecting plate 23 is greater than or equal to the length of the connecting portion 32, so that the front side end connecting plate 23 can give the connecting portion 32 the largest connection area, so that the connecting portion 32 can be completely connected to the front side end connecting plate 23, thereby improving the connection strength between the reinforcing bracket 3 and the supporting bracket 2, so as to increase the supporting strength and support stability of the supporting structure for the seat.

[0051] like Figure 3 As shown, along the length extension direction of the connecting portion 32, two bending angles 34 are formed at the connection between the connecting portion 32 and the supporting portion 33, wherein the bending angle 34 between the end of the connecting portion 32 and the end of the supporting portion 33 is a right angle, and the bending angle 34 formed between the supporting portion 33 and the side end of the connecting portion 32 is a rounded angle, that is, the surface at the bending angle 34 is an arc surface, thereby reducing the stress concentration at this location and increasing the shear resistance of the reinforced bracket 3.

[0052] Furthermore, in the present embodiment, the length of the snapping protrusion 31 is greater than the depth of the plug interface 21, so that the plug interface 21 can completely limit the snapping protrusion 31, reducing the probability of the snapping protrusion 31 slipping out of the plug interface 21; at the same time, the width of the plug interface 21 is greater than or equal to the thickness of the snapping protrusion 31, which enables the snapping protrusion 31 to be smoothly inserted into the plug interface 21, reducing the difficulty of installation; wherein, in the present embodiment, the width of the plug interface 21 is preferably equal to the thickness of the snapping protrusion 31, so that the snapping protrusion 31 and the plug interface 21 can be tightly connected.

[0053] It should be noted that although the reinforcing bracket 3 and the supporting bracket 2 in the present application are plug-in compatible, welding can also be performed at the connection between the snap-fit ​​protrusion 31 and the plug-in interface 21, so as to strengthen the connection firmness between the supporting bracket 2 and the reinforcing bracket 3; and since the connection point between the snap-fit ​​protrusion 31 and the plug-in interface 21 is relatively obvious, the welding point is also easier to determine during welding, reducing the difficulty of welding.

[0054] Furthermore, based on any of the above embodiments, the reinforcing bracket 3 is further expanded; Figure 6 As shown, in this embodiment, a buffer groove 38 is provided at the connection between the clamping protrusion 31 and the connecting portion 32, and the buffer groove 38 is recessed in the direction of protrusion away from the clamping protrusion 31, wherein the surface of the buffer groove 38 is an arc surface, that is, the angle between the two side ends of the clamping protrusion 31 and the side end of the connecting portion 32 is an arc, and the angle is concave inward, when the clamping protrusion 31 is fully inserted into the plug-in port 21, the side end of the connecting portion 32 fits with the front side end connecting plate 23, that is, it can realize the limiting function, auxiliary clamping The connecting protrusion 31 is inserted into the plug-in interface 21 to realize the clamping connection between the reinforcing bracket 3 and the supporting bracket 2, and can also increase the contact area between the connecting part 32 and the front side end connecting plate 23, thereby increasing the force transmission performance of the supporting bracket 2 to the reinforcing bracket 3; and the buffer groove 38 can reduce the stress concentration at the intersection of the clamping protrusion 31, the connecting part 32, and the front side end connecting plate 23 when the support bracket 2 transmits the force to the reinforcing bracket 3, thereby reducing the probability of the clamping protrusion 31 breaking and improving the service life of the reinforcing bracket 3.

[0055] Furthermore, the support portion 33 is further expanded; Figure 3 As shown, the support portion 33 is provided with a weight-reducing hole 35, which passes through the support portion 33. The weight-reducing holes 35 are arranged at intervals along the length extension direction of the support portion 33. Along the length extension direction of the connecting portion 32, the length of the weight-reducing hole 35 is less than the length of the support portion 33. The weight-reducing hole 35 is basically arranged in the middle position of the support portion 33; the number of weight-reducing holes 35 can be selected according to actual needs. When there are multiple weight-reducing holes 35, the multiple weight-reducing holes 35 are arranged at equal intervals, which can effectively balance the force transmission; the setting of the weight-reducing holes 35 can effectively reduce the weight and production cost of the support portion 33, and improve the shear force resistance performance.

[0056] Furthermore, based on any of the above embodiments, the reinforcing bracket 3 is further expanded; Figure 3 、 Figure 6 As shown, the reinforcing bracket 3 also includes a first bent plate 36 and a second bent plate 37, the first bent plate 36 is arranged on one side of the support portion 33 close to the middle connecting plate 22, that is, the first bent plate 36 is provided at the long side end of the support portion 33, the first bent plate 36 is arranged perpendicular to the support portion 33, and the first bent plate 36 extends in a direction away from the middle connecting plate 22; the second bent plate 37 is arranged on the side of the support portion 33 away from the first bent plate 36, wherein the second bent plate 37 is connected to the connecting portion 32, that is, the second bent plate 37 is connected to the connecting portion 32 and the support portion 33 at the same time, the second bent plate 37 is arranged along the inner side of the reinforcing bracket 3, the contour structure of the second bent plate 37 corresponds to the contour structure of the inner circle of the reinforcing bracket 3, the second bent plate 37 is arranged perpendicular to the support portion 33, and the extension direction of the second bent plate 37 is the same as the extension direction of the first bent plate 36; the cooperation between the first bent plate 36 and the second bent plate 37 can improve the structural strength and shear resistance performance of the reinforcing bracket 3.

[0057] like Figure 5 、 Figure 6 As shown, a connecting pin 4 is provided on the side end connecting plate, and the connecting pin 4 at least partially protrudes toward the connecting portion 32, that is, the connecting pin 4 passes through the front side end connecting plate 23, and is at least partially exposed toward the reinforcing bracket 3; wherein, a snap-in groove 39 is provided on the connecting portion 32, and the connecting snap-in groove is recessed in the direction away from the connecting pin 4, so that the snap-in groove 39 can accommodate the connecting pin 4, wrap the connecting pin 4, and increase the structural support performance of the connecting pin 4, so that the force on the seat can be transmitted to the connecting pin 4 and the reinforcing bracket 3 at the same time through the support bracket 2, thereby improving the deformation resistance of the supporting structure.

[0058] It should be noted that the various embodiments of the present application can be arbitrarily combined into new embodiments if the solutions do not conflict and the technical solutions can coexist.

[0059] The present application has been described in detail above. Specific examples have been used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is intended only to facilitate understanding of the present application and its core concepts. It should be noted that, without departing from the principles of the present application, a number of improvements and modifications may be made to the present application by a person skilled in the art, and such improvements and modifications shall fall within the scope of protection of the claims of the present application.

Claims

1. A child safety seat support structure, characterized in that: It comprises a supporting bracket (2) and a reinforcing bracket (3), wherein the reinforcing bracket (3) is connected between the two supporting brackets (2); Wherein, at least two clamping protrusions (31) are provided on the same side end surface of the reinforcing bracket (3), and the clamping protrusions (31) are arranged at intervals; The support bracket (2) is provided with an insertion port (21), and the insertion port (21) is used for inserting a clamping protrusion (31).

2. The child safety seat support structure according to claim 1, characterized in that: The reinforcing bracket (3) comprises a connecting portion (32) and a supporting portion (33), wherein the connecting portion (32) is connected to both ends of the supporting portion (33); The clamping protrusion (31) is arranged on a side end surface of the connecting portion (32) away from the supporting portion (33).

3. The child safety seat support structure according to claim 2, characterized in that: The support bracket (2) comprises a middle connecting plate (22) and side connecting plates, the side connecting plates being arranged at both ends of the middle connecting plate (22), and an angle between a length extension direction of the side connecting plates and a length extension direction of the middle connecting plate (22) being an obtuse angle; Wherein, the plug-in ports (21) are arranged at intervals along the length extension direction of the side end connecting plate.

4. The child safety seat support structure according to claim 3, characterized in that: One end of the connecting portion (32) is connected to the supporting portion (33), and the other end extends in a direction away from the supporting portion (33); Along the length extension direction of the connecting portion (32), the length of the connecting portion (32) is L1, the length of the supporting portion (33) is L2, and the length of the side end connecting plate is L3, wherein L3≥L1>L2.

5. The child safety seat support structure according to claim 4, characterized in that: Along the length extension direction of the connecting portion (32), the supporting portion (33) and the side end of the connecting portion (32) form a bending angle (34), and the bending angle (34) is a rounded angle.

6. The child safety seat support structure according to claim 3, characterized in that: The reinforcing bracket (3) further comprises a first bending plate (36) and a second bending plate (37), wherein the first bending plate (36) is arranged on a side of the supporting portion (33) close to the middle connecting plate (22); The second bending plate (37) is arranged on a side of the support portion (33) away from the first bending plate (36), wherein the second bending plate (37) is connected to the connecting portion (32).

7. The child safety seat support structure according to claim 2, characterized in that: A buffer groove (38) is provided at the connection between the clamping protrusion (31) and the connecting portion (32), and the buffer groove (38) is recessed in a direction protruding away from the clamping protrusion (31); Wherein, the surface of the buffer groove (38) is a curved surface.

8. The child safety seat support structure according to claim 3, characterized in that: A connecting pin (4) is provided on the side end connecting plate, and at least a portion of the connecting pin (4) protrudes toward the connecting portion (32); Wherein, a clamping groove (39) is provided on the connecting portion (32), and the clamping groove (39) is used to accommodate the connecting pin (4).

9. The child safety seat support structure according to claim 2, wherein: The support portion (33) is provided with weight-reducing holes (35), which penetrate the support portion (33). The weight-reducing holes (35) are arranged at intervals along the length extension direction of the support portion (33).

10. The child safety seat support structure according to claim 2, characterized in that: The length of the clamping protrusion (31) is greater than the depth of the plug-in port (21); The width of the insertion port (21) is greater than or equal to the thickness of the clamping protrusion (31).

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