Wheelchair support frame body structure with pull-out storage box

Abstract

The utility model discloses a wheelchair support frame body structure with pull out type storage box, including two opposite main girder, the front end of two main girders is hingedly connected with front wheel mounting bracket, and the joint of main girder and front wheel mounting bracket still is hingedly connected with chair face support frame, main girder is hingedly connected with backrest connecting frame close to rear end, backrest connecting frame is hingedly connected with backrest frame body, and backrest frame body and backrest connecting frame are detachable connection through elastic buckle assembly, and the rear end of chair face support frame is hingedly connected with backrest frame body, and the backrest frame body and front wheel mounting bracket form the storage cavity, still include two storage box sliding installation rod, and two storage box sliding installation rod are placed in storage cavity, main girder, front wheel mounting bracket and backrest frame body of the application can realize transverse folding, and the volume is smaller after folding, in addition set up storage box, and the drawing is convenient, is more convenient for user to use, and is not easy to lose.

Description

Technical Field

[0001] This utility model belongs to the field of wheelchair technology, and specifically relates to a wheelchair support frame structure with a pull-out storage box. Background Technology

[0002] Existing wheelchair frame structures generally include two side supports for connecting the wheels, which are interconnected by an X-shaped folding connector. Handrails are also located at the rear of the side supports. The drawbacks of this frame structure are: the frame only has a folding function, and it folds laterally, resulting in a relatively large volume even when folded; furthermore, users need to carry personal belongings when going out, and with current wheelchairs, users need to carry a separate storage bag, which is prone to loss and inconvenient for wheelchair users. Utility Model Content

[0003] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a wheelchair support frame structure with a pull-out storage box to solve the problems mentioned in the background art.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0005] A wheelchair support frame structure with a pull-out storage box includes two opposing main beams. Front wheel mounting brackets are hinged to the front ends of the two main beams. A seat support frame is also hinged to the joint between the main beams and the front wheel mounting brackets. A backrest connecting frame is hinged to the rear end of each main beam. A backrest frame is hinged to the backrest connecting frame, and the backrest frame is detachably connected to the backrest connecting frame via an elastic buckle assembly. The rear end of the seat support frame is hinged to the backrest frame. A storage cavity is formed between the backrest frame and the front wheel mounting frame. The device also includes two sliding mounting rods for storage boxes, which are placed inside the storage cavity. The front ends of the two sliding mounting rods are respectively hinged to the front wheel mounting frame, and the rear ends are respectively hinged to the backrest connecting frame. Storage boxes are slidably mounted on the two sliding mounting rods. A storage box outlet is formed on the front wheel mounting frame. The device also includes a storage box limiting member, which fixes the storage box inside the storage cavity.

[0006] Preferably, the backrest connecting frame includes a first type of U-shaped frame body, the bottom ends of the two sides of the first type of U-shaped frame body are respectively hinged to the two main beams near the rear end, the backrest frame includes a frame body, the bottom end of the frame body extends to form two connecting arms, and the top ends of the two sides of the first type of U-shaped frame body are respectively hinged to the top ends of the two connecting arms.

[0007] Preferably, the elastic buckle assembly includes a connecting rod integrally formed on the bottom surface of the frame body, a connecting buckle is hinged to the connecting rod via a hinge seat, a snap-fit ​​post is provided on the bottom edge of the first type of U-shaped frame body, and an elastic post is provided on the first type of U-shaped frame body, the elastic post is located below the connecting rod, when connected, the connecting rod abuts against the elastic post, and the connecting buckle is snapped onto the snap-fit ​​post.

[0008] Preferably, the bottom edge of the first type of U-shaped frame body protrudes upward to form an arched connecting part, and the elastic column and the snap-fit ​​column are both arranged on the arched connecting part.

[0009] Preferably, the arched connecting part is provided with a through hole, and the elastic column includes a column body disposed in the through hole, and a spring is sleeved on the column body.

[0010] Preferably, the storage box includes a box body, and sliding sleeves are provided on both sides of the box body, the sliding sleeves being slidably fitted onto the sliding mounting rod of the storage box.

[0011] Preferably, the storage box limiting component includes an elastic rope, one end of which is connected to the front end of the storage box, and a hook is provided on the front surface of the chair support frame, with the other end of the elastic rope attached to the hook.

[0012] After the storage box is pushed back, it is attached to the hook by an elastic rope. The elastic rope can lift the storage box, preventing it from sliding on the storage box sliding mounting rod.

[0013] Preferably, the sliding mounting rod of the storage box is set with an inclined structure.

[0014] The sliding mounting rod of the storage box is angled downwards toward the outlet of the storage box to facilitate the sliding out of the storage box.

[0015] Preferably, the box body has several partitioned spaces.

[0016] Preferably, the front wheel mounting bracket is arranged in a U-shape.

[0017] Preferably, the seat support frame has connecting ears at both ends of the front bottom surface, which are hinged to the front wheel mounting frame and the main beam joint. The rear end of the seat support frame is bent upward to form an extension connecting section, which is hinged to the backrest frame.

[0018] In summary, the present invention has the following main advantages:

[0019] The main beam, front wheel mounting bracket, and backrest frame of this application can be folded laterally, resulting in a smaller volume after folding. In addition, a storage box is provided, which is easy to pull out, making it more convenient for users and less likely to be lost. Attached Figure Description

[0020] Figure 1This is a schematic diagram of the installation structure of this utility model;

[0021] Figure 2 yes Figure 1 A magnified structural diagram of A;

[0022] Figure 3 yes Figure 1 A schematic diagram of the structure from another direction;

[0023] Figure 4 yes Figure 3 A magnified structural diagram of B;

[0024] Figure 5 This is a partial structural schematic diagram of the present invention;

[0025] Figure 6 This is another partial structural schematic diagram of the present invention;

[0026] Figure 7 This is a schematic diagram of the backrest connecting frame structure of this utility model;

[0027] Figure 8 This is a partial structural diagram of the storage box of this utility model. Detailed Implementation

[0028] Example

[0029] refer to Figures 1 to 8 This embodiment of a wheelchair support frame structure with a pull-out storage box includes two opposing main beams 1. Front wheel mounting brackets 2 are hinged to the front ends of the two main beams. A seat support bracket 3 is also hinged to the joint between the main beams and the front wheel mounting brackets. A backrest connecting bracket 4 is hinged to the rear end of each main beam. A backrest frame 5 is hinged to the backrest connecting bracket, and the backrest frame 5 and the backrest connecting bracket are detachably connected by an elastic buckle assembly 6. The rear end of the seat support bracket is hinged to the backrest frame 5. The backrest frame and the front wheel mounting frame form a storage cavity 7. The backrest frame also includes two sliding mounting rods 8 for storage boxes. The two sliding mounting rods are placed inside the storage cavity. The front ends of the two sliding mounting rods are respectively hinged to the front wheel mounting frame, and the rear ends are respectively hinged to the backrest frame. Storage boxes 9 are slidably mounted on the two sliding mounting rods. A storage box outlet 10 is formed on the front wheel mounting frame. The backrest frame also includes a storage box limiting member to fix the storage box inside the storage cavity.

[0030] Specifically, the backrest connecting frame includes a first type of U-shaped frame body, the bottom ends of the two sides of the first type of U-shaped frame body are respectively hinged to the two main beams near the rear end, the backrest frame includes a frame body, the bottom end of the frame body extends to form two connecting arms 11, and the top ends of the two sides of the first type of U-shaped frame body are respectively hinged to the top ends of the two connecting arms. The elastic buckle assembly includes a connecting rod 12 integrally formed on the bottom surface of the frame body, a connecting buckle 13 hinged to the connecting rod via a hinge seat, a locking post 14 provided on the bottom edge of the first type of U-shaped frame body, and an elastic post 15 provided on the first type of U-shaped frame body. The elastic post is located below the connecting rod. When connected, the connecting rod abuts against the elastic post, and the connecting buckle is fastened to the locking post. Specifically, the bottom edge of the first type of U-shaped frame body protrudes upward to form an arched connecting part 16. The elastic post and the locking post are both provided on the arched connecting part. The arched connecting part is provided with a through hole (not shown). The elastic post includes a post body 18 provided in the through hole, and a spring member 19 is sleeved on the post body.

[0031] The storage box includes a box body with sliding sleeves 20 on both sides. These sliding sleeves slidably engage with the storage box's sliding mounting rod. The storage box's limiting component includes an elastic rope 21, one end of which is connected to the front end of the storage box. A hook 22 is provided on the front surface of the chair seat support frame, and the other end of the elastic rope is hooked onto the hook. When the storage box is pushed back, it is hooked onto the hook via the elastic rope, which can lift the storage box, preventing it from sliding on the storage box's sliding mounting rod.

[0032] The sliding mounting rod of the storage box is set at an angle. The sliding mounting rod of the storage box is set at an angle downward towards the outlet of the storage box to facilitate the sliding out of the storage box; several partitioned spaces 23 are formed inside the box body.

[0033] The front wheel mounting frame is U-shaped. Connecting ears 24 are provided on both ends of the bottom front end of the seat support frame. The connecting ears are hinged to the front wheel mounting frame and the main beam joint. The rear end of the seat support frame is bent upward to form an extension connecting section 25, which is hinged to the backrest frame.

Claims

1. A wheelchair support frame structure with a pull-out storage box, characterized in that: The device includes two opposing main beams, with front wheel mounting brackets hinged to the front ends of the two main beams. A seat support bracket is also hinged to the joint between the main beams and the front wheel mounting brackets. A backrest connecting bracket is hinged to the rear end of the main beams, and a backrest frame is hinged to the backrest connecting bracket. The backrest frame and the backrest connecting bracket are detachably connected by an elastic buckle assembly. The rear end of the seat support bracket is hinged to the backrest frame. A storage cavity is formed between the backrest frame and the front wheel mounting bracket. The device also includes two sliding mounting rods for storage boxes, which are placed inside the storage cavity. The front ends of the two sliding mounting rods are hinged to the front wheel mounting brackets, and the rear ends are hinged to the backrest connecting brackets. Storage boxes are slidably mounted on the two sliding mounting rods. A storage box outlet is formed on the front wheel mounting bracket. The device also includes a storage box limiting member to fix the storage box inside the storage cavity.

2. The wheelchair support frame structure with a pull-out storage box according to claim 1, characterized in that: The backrest connecting frame includes a first type of U-shaped frame body. The bottom ends of the two sides of the first type of U-shaped frame body are respectively hinged to the two main beams near the rear end. The backrest frame includes a frame body. The bottom end of the frame body extends to form two connecting arms. The top ends of the two sides of the first type of U-shaped frame body are respectively hinged to the top ends of the two connecting arms.

3. The wheelchair support frame structure with a pull-out storage box according to claim 1, characterized in that: The elastic buckle assembly includes a connecting rod integrally formed on the bottom surface of the frame body, a connecting buckle is hinged to the connecting rod via a hinge seat, a snap-fit ​​post is provided on the bottom edge of the first type of U-shaped frame body, and an elastic post is provided on the first type of U-shaped frame body, the elastic post is located below the connecting rod, when connected, the connecting rod abuts against the elastic post, and the connecting buckle is snapped onto the snap-fit ​​post.

4. The wheelchair support frame structure with a pull-out storage box according to claim 3, characterized in that: The bottom edge of the first type of U-shaped frame body protrudes upward to form an arched connecting part, and the elastic column and the snap-fit ​​column are both set on the arched connecting part.

5. The wheelchair support frame structure with a pull-out storage box according to claim 1, characterized in that: The arched connection has a through hole, and the elastic column includes a column body set in the through hole, with a spring sleeved on the column body.

6. The wheelchair support frame structure with a pull-out storage box according to claim 1, characterized in that: The storage box includes a box body, and sliding sleeves are provided on both sides of the box body. The sliding sleeves are slidably fitted onto the sliding mounting rod of the storage box.

7. The wheelchair support frame structure with a pull-out storage box according to claim 1, characterized in that: The storage box limiting component includes an elastic rope, one end of which is connected to the front end of the storage box. A hook is provided on the front surface of the chair support frame, and the other end of the elastic rope is attached to the hook.

8. A wheelchair support frame structure with a pull-out storage box according to claim 1, characterized in that: The sliding mounting rod of the storage box is set at an angle.

9. A wheelchair support frame structure with a pull-out storage box according to claim 6, characterized in that: The box body contains several partitioned spaces.

10. A wheelchair support frame structure with a pull-out storage box according to claim 1, characterized in that: The seat support frame has connecting ears at both ends of the front bottom surface. The connecting ears are hinged to the front wheel mounting frame and the main beam joint. The rear end of the seat support frame is bent upward to form an extension connecting section, which is hinged to the backrest frame.

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