Support structure of buggy and buggy

Abstract

The utility model discloses a supporting structure of a buggy, the rear end of a main supporting beam is welded and connected with a rear frame, the main supporting beam is sleeved with a supporting seat which is integrally formed in an injection molding mode and fixedly connected with the main supporting beam, the supporting seat comprises a seat body, the seat body is provided with a sleeving hole which can be sleeved with the seat body from the front end of the main supporting beam, and the seat body is further provided with a rod body extending upwards. The rear side of the supporting seat is connected with a fixing seat formed through injection molding, the fixing seat is connected with a rotating seat capable of rotating relative to the fixing seat, the rotating seat is provided with a connecting position used for installing a steering control rope, the main supporting beam is further provided with a channel, the main supporting beam is of a hollow tubular structure, and the rear end of the tubular structure is provided with a through hole capable of communicating the channel with the connecting position. A connecting base formed through injection molding is arranged in the through hole and provided with an installation position used for installing a protective sleeve of the steering control rope. The utility model further discloses the buggy adopting the supporting structure. The utility model has the advantages of easy assembly and high structural strength.

Description

[Technical field]

[0001] The utility model relates to a supporting structure of a baby carriage. The utility model also relates to a baby carriage. [Background technology]

[0002] Children's bicycles are tools for children to ride and play. They are common products in the process of children's growth and are for children to ride and play.

[0003] Chinese patent announcement number (CN220262979U) discloses a child stroller, wherein the front side of the frame of the child stroller is connected with a front wheel and a direction control group for controlling the direction of the front wheel, the rear side of the frame is connected with a rear wheel, a rotating seat and a pedal group for driving the rotation are also connected to the frame, the rear wheel is fixedly connected with the rear wheel seat, and a linkage member connected with the rotating seat and the rear wheel seat is provided between the rotating seat and the rear wheel seat, which can drive the rear wheel to rotate when the rotating seat rotates. Among them, the frame includes a support beam, the front end of the support beam is connected with the direction control assembly, the rear end of the support beam is connected with a rear fork, the front end of the rear fork is provided with a support part, and the support part is provided with a seat for riding. It can be seen that the rear fork is connected to the front fork support beam through the support part, and the connection strength is low. Moreover, the child stroller can only be ridden by the child himself. When the child is riding, the adult cannot control the direction of the child stroller, and it is not suitable for children of younger age.

[0004] Therefore, the present invention is just produced based on the above shortcomings. [Utility Model Content]

[0005] The utility model aims to overcome the deficiencies of the prior art and provide a supporting structure for a children's vehicle which has a simple structure, is easy to assemble and has a high structural strength.

[0006] The utility model also provides a children's bicycle which has high structural strength, is easy to assemble, and can be steered by an adult.

[0007] The utility model is realized by the following technical solutions:

[0008] A support structure for a baby stroller, comprising a main support beam 11, wherein a rear frame 12 is welded to the rear end of the main support beam 11, wherein the rear frame 12 comprises a left rear rod 121 and a right rear rod 122, wherein an installation space 123 for installing a rear wheel 2 of the baby stroller is formed between the left rear rod 121 and the right rear rod 122, wherein the main support beam 11 is provided with a support seat 13 which is integrally injection-molded and fixedly connected to the main support beam 11, wherein the support seat 13 comprises a seat body 131 which is sleeved on the main support beam 11, wherein the seat body 131 is provided with a sleeve hole 136 which can be inserted from the front end of the main support beam 11, and wherein the seat body 131 is also provided with a rod body 1 extending upward and used for installing a seat assembly 3 of the baby stroller 32. The support seat 13 is connected to a fixed seat 14 formed by injection molding at the rear side. The fixed seat 14 is connected to a rotating seat 15 which can rotate relative to the fixed seat 14 and is used to connect the push rod assembly 4. The rotating seat 15 is provided with a connecting position 16 for installing the steering control rope 5 of the baby stroller. The main support beam 11 is also provided with a channel 17 for the steering control rope 5 of the baby stroller to pass through. The main support beam 11 is a hollow tubular structure. The rear end of the tubular structure is provided with a through hole 171 which can connect the channel 17 and the connecting position 16. An injection molded connecting seat 172 is provided in the through hole 171. The connecting seat 172 is provided with a mounting position 173 for installing the protective sleeve 51 of the steering control rope 5.

[0009] The left rear rod 121 and the right rear rod 122 are an integrally formed U-shaped structure, and the bottom 12a of the U-shaped structure is welded to the main support beam 11 .

[0010] The support seat 13 is sleeved on the main support beam 11 and the rear end of the support seat 13 rests on the U-shaped structure. The lower end of the fixed seat 14 extends into the installation space 123. When the fixed seat 14 is fixedly connected to the support seat 13, the fixed seat 14 and the support seat 13 clamp the U-shaped structure.

[0011] The support structure of the baby carriage also includes an injection-molded lower clamping seat 18 , the front side of which is connected to the lower end of the support seat 13 , and the rear side of which is connected to the lower end of the fixing seat 14 . The lower clamping seat 18 , the fixing seat 14 and the support seat 13 clamp the rear frame 12 .

[0012] The support seat 13 is provided with an arc groove 133 which fits with the front end surface of the rear frame 12 , and the fixing seat 14 is provided with an arc surface 141 which fits with the inner side surface of the rear frame 12 .

[0013] The support seat 13 is provided with a T-shaped slot 134 , and the fixing seat 14 is provided with a T-shaped inserting portion 142 which can be inserted into the T-shaped slot 134 when the fixing seat 14 is connected with the support seat 13 .

[0014] The supporting seat 13 is provided with connecting parts 135 on both sides thereof, which are integrally injection-molded with the seat body 131 and are used to connect with the pedal assembly 6 of the baby carriage.

[0015] A baby stroller, comprising the support structure of the baby stroller as described above, wherein the front end of the main support beam 11 is connected to a steering seat 7, a steering fork 81 capable of rotating therein is provided in the steering seat 7, a front wheel 82 is connected to the steering fork 81, a steering handle 83 is connected to the upper end of the steering fork 81, a rear wheel 2 connected to a rear frame 12 is provided in the installation space 123, a seat assembly 3 is connected to the rod body 132, and a lever 16 is provided between the connection position 16 and the steering fork 81 to control the steering fork 81 when the rotating seat 15 rotates. A rotating steering control rope 5, the outer side of which is sleeved with a protective sleeve 51, one end of which is fixed on the steering seat 7, and the other end is fixed in the mounting position 173 of the connecting seat 172, the rotating seat 15 is detachably connected with a push rod assembly 4 which can control the rotation of the rotating seat 15, the supporting seat 13 is also connected with a pedal assembly 6 and a transmission mechanism 9 which can drive the rear wheel 2 to rotate when the pedal assembly 6 is stepped on, and the two sides of the rear wheel 2 are also detachably connected with auxiliary wheel assemblies 100 which can be supported on the ground.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] 1. The support structure of the child stroller of the utility model includes a main support beam and a rear frame, the main support beam is welded to the rear frame, and the support seat for installing the seat assembly is an integral structure of an injection-molded integral structure and is sleeved on the main support beam, so it can provide sufficient support strength and has high structural strength. In addition, the support seat is also connected to an injection-molded fixed seat, and the fixed seat is connected to a rotating seat that can be driven and rotated by a push rod assembly. The rotating seat is provided with a connection position for connecting the steering control rope of the child stroller, and the main support beam is provided with a channel for passing the steering control rope. Therefore, the child stroller using the support structure of the child stroller of the utility model can drive the rotating seat to rotate by the push rod assembly and then control the direction of the front wheel by the steering control rope, which is convenient for adults to control the direction of the child stroller, and is more suitable for adults to take care of children when younger children are riding. Moreover, it is also easy to assemble and has high production efficiency.

[0018] 2. The rear frame of the utility model is in a U-shaped structure, and the support seat, the fixing seat and the lower clamping seat clamp the bottom position of the U-shaped structure, so that the support seat, the fixing seat and the lower clamping seat are very firmly fixed on the main support beam and the rear frame, thereby enhancing the structural strength and being easy to assemble.

[0019] 3. The supporting structure and structure of the children's stroller of the utility model are simple, easy to assemble, have high structural strength, and are suitable for popularization and application.

Brief Description of the Drawings

[0020] Figure 1 This is one of the three-dimensional diagrams of the supporting structure of the children's vehicle of the utility model;

[0021] Figure 2 This is the second stereoscopic diagram of the supporting structure of the baby carriage of the utility model;

[0022] Figure 3 This is one of the exploded views of the support structure of the baby carriage of the utility model;

[0023] Figure 4 This is the second exploded view of the support structure of the baby stroller of the utility model;

[0024] Figure 5 It is a cross-sectional view of the supporting structure of the baby carriage of the utility model;

[0025] Figure 6 It is one of the three-dimensional diagrams of the support seat of the utility model;

[0026] Figure 7 This is the second three-dimensional diagram of the support base of the utility model;

[0027] Figure 8 It is a three-dimensional diagram of the components of the utility model;

[0028] Fig. 9 It is a three-dimensional diagram of the fixing seat of the utility model;

[0029] Fig.10 It is one of the three-dimensional diagrams of the utility model baby carriage;

[0030] Fig.11 It is the second stereogram of the utility model children's vehicle. [Specific implementation method]

[0031] The utility model is further described below in conjunction with the accompanying drawings:

[0032] like Figures 1 to 9As shown, a support structure of a child stroller includes a main support beam 11, a rear frame 12 is welded to the rear end of the main support beam 11, the rear frame 12 includes a left rear rod 121 and a right rear rod 122, an installation space 123 for installing the rear wheel 2 of the child stroller is formed between the left rear rod 121 and the right rear rod 122, the left rear rod 121 and the right rear rod 122 are an integrally formed U-shaped structure, the bottom 12a of the U-shaped structure is welded and connected to the main support beam 11, the main support beam 11 is sleeved with a support seat 13 that is integrally injection-molded and fixedly connected to the main support beam 11, the support seat 13 includes a seat body 131 sleeved on the main support beam 11, the seat body 131 is provided with a sleeve hole 136 that can be inserted from the front end of the main support beam 11, the seat body 131 is also provided with a rod body 132 extending upward and used for installing the seat assembly 3 of the child stroller, the rear side of the support seat 13 is connected There is an injection molded fixed seat 14, and the fixed seat 14 is connected to a rotating seat 15 that can rotate relative to it and is used to connect the push rod assembly 4. The rotating seat 15 is provided with a connecting position 16 for installing the steering control rope 5 of the baby stroller. The main support beam 11 is also provided with a channel 17 for the steering control rope 5 of the baby stroller to pass through. The support seat 13 is sleeved on the main support beam 11 and the rear end of the support seat 13 abuts against the U-shaped structure. The lower end of the fixed seat 14 extends into the installation space 123. When the fixed seat 14 is fixedly connected to the support seat 13, the fixed seat 14 and the support seat 13 clamp the U-shaped structure. It also includes an injection molded lower clamping seat 18, the front side of the lower clamping seat 18 is connected to the lower end of the support seat 13, and the rear side of the lower clamping seat 18 is connected to the lower end of the fixed seat 14. The lower clamping seat 18, the fixed seat 14 and the support seat 13 clamp the rear frame 12.

[0033] The main support beam 11 is welded and connected to the rear frame 12 as a whole. The support seat 13 is an integral structure of integral injection molding and can be sleeved to the set position of the main support beam 11 through the sleeve hole 136. The fixed seat 14 is connected to the rear side of the support seat 13, and the lower clamping seat 18 is connected to the fixed seat 14 and the lower end of the support seat 13. The fixed seat 14, the lower clamping seat 18 and the support seat 13 clamp the rear frame 12, and the support seat 13 is sleeved on the main support beam 11. Therefore, the entire support structure has a high structural strength to carry the child sitting on the seat assembly 3. During assembly, the support seat 13 is first sleeved into the set position of the main support beam 11, and the support seat 13 can be further fixed to the support beam 11 by rivets, and then the steering control rope 5 is passed through the channel 17, and then the end of the steering control rope 5 is fixed to the connecting position 16 of the rotating seat 15, and then the fixed seat 14 is sleeved onto the rotating seat 15 and fixed together with the support seat 13, and finally the lower clamping seat 18 is fixedly connected to the lower ends of the support seat 13 and the fixed seat 14, thereby completing the entire assembly. The entire assembly process is very simple and fast, with high production efficiency and low cost.

[0034] like Figure 2 and Figure 3 As shown, the support seat 13 is provided with a T-shaped slot 134, and the fixed seat 14 is provided with a T-shaped plug-in portion 142 which can be inserted into the T-shaped slot 134 when the fixed seat 14 is connected to the support seat 13. When the fixed seat 14 is sleeved and connected to the rotating seat 15, the T-shaped plug-in portion 142 is directly aligned with the T-shaped slot 134 and inserted to complete the connection between the fixed seat 14 and the support seat 13, and the connection is very convenient, fast, and firm.

[0035] like Figure 3 , Figure 5 and Fig. 9 As shown, a connecting groove 151 is provided at the lower end of the fixing seat 15, and a plug-in portion 181 which can be inserted into the connecting groove 151 is provided at the rear side of the lower clamping seat 18 to ensure a firm connection.

[0036] like Figure 3 , Figure 6 and Fig. 9 As shown, the support seat 13 is provided with an arc groove 133 that fits with the front end surface of the rear frame 12, and the fixing seat 14 is provided with an arc surface 141 that fits with the inner side surface of the rear frame 12. Therefore, the support seat 13 and the fixing seat 14 are tightly and firmly connected to the rear frame 12, ensuring that the entire support structure has a high structural strength.

[0037] like Figure 3 , Figure 5 and Figure 8As shown, the main support beam 11 is a hollow tubular structure, and the rear end of the tubular structure is provided with a through hole 171 that can connect the channel 17 and the connection position 16. An injection-molded connection seat 172 is provided in the through hole 171, and a mounting position 173 for mounting a protective sleeve of the steering control rope 5 is provided on the connection seat 172. In order to prevent the edge of the through hole 171 on the main support beam 11 from scratching the steering control rope 5, an injection-molded connection seat 172 for mounting a protective sleeve 51 of the steering control rope 5 can be provided in the through hole 171, so that the steering control rope 5 moves smoothly when an adult controls the steering of the baby stroller.

[0038] like Figure 3 and Figure 4 As shown, connecting parts 135 are provided on both sides of the support seat 13, which are integrally injection-molded with the seat body 131 and are used to connect to the pedal assembly 6 of the baby carriage.

[0039] like Figures 1 to 11As shown, a baby stroller includes the support structure of the baby stroller as described above, the front end of the main support beam 11 is connected to the steering seat 7, the steering seat 7 is provided with a steering fork 81 that can rotate therein, the steering fork 81 is connected to the front wheel 82, the upper end of the steering fork 81 is connected to the steering handle 83, the installation space 123 is provided with a rear wheel 2 connected to the rear frame 12, the rod body 132 is connected to the seat assembly 3, and a lever 16 is provided between the connection position 16 and the steering fork 81 to control the steering fork when the rotating seat 15 rotates. 81 rotating steering control rope 5, the outer side of the steering control rope 5 is sleeved with a protective sleeve 51, one end of the protective sleeve 51 is fixed on the steering seat 7, and the other end is fixed in the mounting position 173 of the connecting seat 172, the rotating seat 15 is detachably connected with a push rod assembly 4 that can control the rotation of the rotating seat 15, the support seat 13 is also connected with a pedal assembly 6 and a transmission mechanism 9 that can drive the rear wheel 2 to rotate when stepping on the pedal assembly 6, and the two sides of the rear wheel 2 can also be detachably connected with auxiliary wheel assemblies 100 that can be supported on the ground. When the child is young, the auxiliary wheel assembly 100 can be connected on both sides of the rear wheel 2, and the child will not roll over when riding, ensuring safety. The adult can drive the rotating seat 15 to rotate through the push rod assembly 4, and the steering control rope 5 will be pulled during the rotation of the rotating seat 15, thereby controlling the rotation of the steering fork 81, and then controlling the direction of travel of the baby car. When adult control is not required, the push rod assembly 4 can be taken out from the rotating seat 15. When the auxiliary wheel assembly 100 is not needed, the auxiliary wheel assembly 100 can be disassembled. The entire baby stroller can be ridden by the child himself, and can be controlled by the adult, which is convenient for the adult to take care of. In addition, the support structure of the aforementioned baby stroller is adopted, and the entire baby stroller has a simple structure, high structural strength, and is easy to assemble during production, with low production cost. In addition, since the rotation axis of the push rod assembly 4 is not parallel to the steering axis of the steering fork 81, a protective sleeve 51 is sleeved on the outside of the steering control line 5 to avoid the steering control line 5 from getting stuck and excessively worn, so that the adult can control the baby stroller more smoothly.

[0040] The embodiment is described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the present purpose.

Claims

1. A support structure for a baby stroller, characterized in that: The invention comprises a main support beam (11), the rear end of the main support beam (11) is welded to a rear frame (12), the rear frame (12) comprises a left rear rod (121) and a right rear rod (122), an installation space (123) for installing the rear wheel (2) of the child vehicle is formed between the left rear rod (121) and the right rear rod (122), the main support beam (11) is provided with a support seat (13) which is integrally injection-molded and fixedly connected to the main support beam (11), the support seat (13) comprises a seat body (131) sleeved on the main support beam (11), the seat body (131) is provided with a sleeve hole (136) which can be inserted from the front end of the main support beam (11), the seat body (131) is also provided with a rod body (132) extending upward and used for installing a seat assembly (3) of the child vehicle, the The rear side of the support seat (13) is connected to an injection-molded fixed seat (14); the fixed seat (14) is connected to a rotating seat (15) which can rotate relative to the fixed seat and is used to connect the push rod assembly (4); the rotating seat (15) is provided with a connecting position (16) for installing a steering control rope (5) of a child's stroller; the main support beam (11) is also provided with a channel (17) for the steering control rope (5) of the child's stroller to pass through; the main support beam (11) is a hollow tubular structure; the rear end of the tubular structure is provided with a through hole (171) which can connect the channel (17) and the connecting position (16); an injection-molded connecting seat (172) is provided in the through hole (171); the connecting seat (172) is provided with a mounting position (173) for installing a protective sleeve (51) of the steering control rope (5).

2. The support structure of a baby stroller according to claim 1, characterized in that: The left rear rod (121) and the right rear rod (122) are an integrally formed U-shaped structure, and the bottom (12a) of the U-shaped structure is welded to the main support beam (11).

3. The supporting structure of a baby carriage according to claim 2, characterized in that: The support seat (13) is sleeved on the main support beam (11) and the rear end of the support seat (13) is against the U-shaped structure. The lower end of the fixing seat (14) extends into the installation space (123). When the fixing seat (14) and the support seat (13) are fixedly connected, the fixing seat (14) and the support seat (13) clamp the U-shaped structure.

4. The supporting structure of a baby carriage according to claim 3, characterized in that: It also includes an injection-molded lower clamping seat (18), the front side of the lower clamping seat (18) is connected to the lower end of the support seat (13), the rear side of the lower clamping seat (18) is connected to the lower end of the fixing seat (14), and the lower clamping seat (18), the fixing seat (14) and the supporting seat (13) clamp the rear frame (12).

5. The supporting structure of a baby carriage according to claim 3, characterized in that: The support seat (13) is provided with an arc groove (133) which fits with the front end surface of the rear frame (12), and the fixing seat (14) is provided with an arc surface (141) which fits with the inner side surface of the rear frame (12).

6. The supporting structure of a baby carriage according to claim 1, characterized in that: The support seat (13) is provided with a T-shaped groove (134), and the fixing seat (14) is provided with a T-shaped plug-in portion (142) which can be inserted into the T-shaped groove (134) when the fixing seat (14) is connected with the support seat (13).

7. The supporting structure of a baby carriage according to claim 1, characterized in that: Connecting parts (135) are provided on both sides of the support seat (13), which are integrally injection-molded with the seat body (131) and are used to connect to the pedal assembly (6) of the baby carriage.

8. A baby carriage, characterized in that: The invention comprises a support structure of a children's vehicle as claimed in any one of claims 1 to 7, wherein the front end of the main support beam (11) is connected to a steering seat (7), a steering fork (81) which can rotate therein is provided in the steering seat (7), a front wheel (82) is connected to the steering fork (81), a steering handle (83) is connected to the upper end of the steering fork (81), a rear wheel (2) connected to the rear frame (12) is provided in the installation space (123), a seat assembly (3) is connected to the rod body (132), a control member (3) is provided between the connection position (16) and the steering fork (81) so as to control the steering fork (82) when the rotating seat (15) rotates. 1) a rotatable steering control rope (5), the steering control rope (5) being sleeved with a protective sleeve (51) on its outer side, one end of the protective sleeve (51) being fixed on a steering seat (7), and the other end being fixed in a mounting position (173) of a connecting seat (172), a push rod assembly (4) being detachably connected in the rotating seat (15) and being capable of controlling the rotation of the rotating seat (15), a pedal assembly (6) and a transmission mechanism (9) being capable of driving the rear wheel (2) to rotate when the pedal assembly (6) is stepped on are also connected to the supporting seat (13), and auxiliary wheel assemblies (100) being capable of being supported on the ground are also detachably connected to both sides of the rear wheel (2).

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