A stroller capable of functioning as a seat

Abstract

The utility model discloses a trolley can be as seat, including left and right symmetrical two handrail frames and foldable backrest frame, foldable chassis, handrail frame bottom is equipped with gyro wheel, backrest frame includes left and right symmetrical two folding frames, and the inboard swing joint of two folding frames, and the outboard of two folding frames is swing joint with the back side of two handrail frames respectively. The whole trolley is through backrest frame, two handrail frames and combines chassis and is the structure of seat as a whole, and when using, need not to cross or elevate article, and the person and article are more convenient to carry.

Description

Technical Field

[0001] This utility model belongs to the technical field of handcarts, specifically relating to a handcart that can be used as a seat. Background Technology

[0002] Handcarts are commonly used in daily life and work to move items. They are often used for short distances or small quantities of goods. Ordinary handcarts are quite flexible and can be used in environments where motor vehicles are inconvenient. With the improvement of economic level, people are using handcarts more and more frequently for outdoor leisure and entertainment.

[0003] Traditional handcarts mostly consist of a bottom and four sides above the bottom. Because the sides are relatively high, children need to climb over the top of the sides to get into the cart when they are outdoors for leisure. Moving items also requires manual lifting of the items above the side height before they can be stored in the cart. Therefore, traditional handcarts are still not convenient enough for outdoor leisure and entertainment, and they still have shortcomings when carrying people and goods. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a handcart that can be used as a seat.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a handcart that can be used as a seat, comprising two symmetrical armrest frames, a foldable backrest frame, and a foldable base frame, wherein the bottom of the armrest frame is provided with rollers; the backrest frame comprises two symmetrical folding frames, the inner sides of the two folding frames are movably connected, and the outer sides of the two folding frames are respectively movably connected to the rear sides of the two armrest frames.

[0006] Furthermore, the folding frame includes a connecting tube, a long tube, and a short tube. In a single folding frame, one end of the connecting tube is movably connected to the upper end of the short tube, the upper section of the long tube is movably connected to the short tube at an intersection, and the other end of the connecting tube and the lower end of the long tube are movably connected to the upper and lower ends of the corresponding handrail frame at the rear, respectively. In two folding frames, the lower ends of the two short tubes are movably connected, and the upper ends of the two long tubes are movably connected.

[0007] Furthermore, the handrail frame includes a frame formed by a front vertical tube, a rear vertical tube, a handrail tube, and a lower horizontal tube. The front and rear ends of the handrail tube are respectively connected to the upper end of the front vertical tube and the upper middle end of the rear vertical tube, and the connection between the front end of the handrail tube and the front vertical tube is rounded.

[0008] Furthermore, the handrail frame also includes hinges, with one end of each pair of hinges fixed to both ends of the inner side of the lower horizontal tube, and the other end movably connected to the base frame.

[0009] Furthermore, the left armrest frame has a retractable pull rod on the outside; the left casters are swivel casters with brakes.

[0010] Furthermore, a U-shaped fastener with an outward opening is installed on the middle of the outer side of the left lower horizontal tube. The upper end of the U-shaped fastener is provided with a positioning piece that fits against the upper surface of the lower horizontal tube. The lower end of the pull rod extends into the opening of the U-shaped fastener and is riveted by a rivet.

[0011] Furthermore, the base frame includes two symmetrical support frames and a base. The base includes a central tube and two connectors respectively located at the left and right ends of the central tube. The front and rear ends of the connectors are movably connected to the inner sides of the two support frames, and the outer sides of the two support frames are movably connected to the two handrail frames.

[0012] Furthermore, the support frame includes an upper and lower two-layer structure, with the outer tube of the upper bottom frame and the bottom tube of the lower layer arranged parallel to each other and movably connected to the connecting parts.

[0013] Furthermore, the connector is a U-shaped piece with the opening facing downwards, and a protective cover is provided at one end of the bottom tube. The outer tube and the bottom tube, together with the protective cover, extend into the opening and are riveted to the connector. When folded, the outer tube and the bottom tube move towards the lower end of the opening.

[0014] Furthermore, the connector is provided with an arc-shaped sliding groove, and the lower end of the protective cover is provided with a lug with a shaft hole. The pin passes through the arc-shaped sliding groove and the shaft hole. When the bottom tube and the protective cover move towards the lower end of the opening, the pin slides along the arc-shaped sliding groove.

[0015] Furthermore, the upper surface of the connector is provided with a first notch.

[0016] Furthermore, the base frame also includes a hinge, one end of which is fixed to the lower end of the handrail frame, and the upper and lower sides of the other end are respectively riveted to the outer tube of the upper base frame and the bottom tube of the lower base frame. The bottom surface of the hinge is provided with a second notch.

[0017] Furthermore, it also includes a fabric cover placed on the base frame. The fabric cover includes a bottom surface and four sides located above the bottom surface. The front side is independent and its two sides are detachably connected to the left and right sides. The other three sides are connected. The outer side of the fabric cover is provided with several connecting parts for detachable connection with the armrest frame, backrest frame and base frame.

[0018] The beneficial effects of this utility model are as follows: The entire trolley, through the backrest frame, two armrest frames, and the base frame, forms a seat-like structure. It eliminates the need for stepping over or lifting, making it more convenient for carrying people and goods. Passengers, such as children, can sit directly on the base frame without climbing too high. The backrest frame provides a backrest function, while the armrest frames also function as armrests, giving users a seat-like experience. Users can sit and rest, enjoy the outdoor scenery, and enhance leisure and entertainment. Both the base frame and backrest frame are foldable, allowing for easy carrying when not in use, reducing space occupation and making it convenient and quick to transport. Attached Figure Description

[0019] Figure 1 It is a three-dimensional stroller that can be used as a seat. Figure 1 ; Figure 2 It is a three-dimensional stroller that can be used as a seat. Figure 2 ; Figure 3 This is a side view of a handcart that can be used as a seat; Figure 4 It is a three-dimensional base frame Figure 1 ; Figure 5 It is a three-dimensional base frame Figure 2 ; Figure 6 This is a diagram showing the disassembled state of the connector and the bottom pipe; Figure 7 It is a diagram showing the disassembled state of the hinged components, connecting pipes, and short pipes; Figure 8 This is a schematic diagram of a fabric cover.

[0020] In the diagram: 1. Handrail frame; 11. Front vertical tube; 12. Rear vertical tube; 13. Handrail tube; 14. Lower horizontal tube; 15. Hinge; 15a. Second notch; 16. U-shaped fastener; 16a. Positioning piece; 2. Backrest frame; 2a. Folding frame; 21. Connecting tube; 22. Long tube; 23. Short tube; 24. Left hinge seat; 24a. Fixing part; 25. Right hinge seat; 3. Base frame; 31. Support frame; 32. Base; 33. Center tube; 34. Connector; 34a. Arc-shaped groove; 34b. First notch, 34c through hole, 35 bottom frame, 35a outer tube, 35b connecting tube, 36 bottom tube, 37 protective cover, 37a lug, 37b limiting part, 37c shaft hole, 4 roller, 5 pull rod, 6 cloth sleeve, 61 bottom surface, 62 front side surface, 63 left side surface, 64 right side surface, 65 rear side surface, 71 connecting part one, 72 connecting part two, 73 connecting part three, 74 connecting part four, 75 connecting part five, 76 connecting part six, 77 connecting part seven. Detailed Implementation

[0021] The specific solutions and embodiments of this utility model will be further described in conjunction with the accompanying drawings, making the technical solution clearer and more understandable.

[0022] like Figures 1 to 8 The illustrated stroller, which can be used as a seat, includes two symmetrical armrest frames 1, a foldable backrest frame 2, and a foldable base frame 3. The front and rear ends of the backrest frame 2 are movably connected to the sides of the two armrest frames 1, respectively. The front and rear ends of the base frame 3 are movably connected to the lower ends of the two armrest frames 1, respectively. The bottom of each armrest frame 1 is equipped with casters 4. The backrest frame 2 includes two symmetrical folding frames 2a, whose inner sides are movably connected, and whose outer sides are movably connected to the rear sides of the two armrest frames 1, respectively.

[0023] Specifically, the folding frame 2a includes a connecting tube 21, a long tube 22, and a short tube 23. In a single folding frame, one end of the connecting tube 21 is movably connected to the upper end of the short tube 22, and the upper section of the long tube 23 is movably connected to the short tube 22. The other end of the connecting tube 21 and the lower end of the long tube 22 are movably connected to the upper and lower ends of the corresponding handrail frame 1 at the rear, respectively. In two folding frames, the lower ends of the two short tubes 23 are movably connected, and the upper ends of the two long tubes 22 are movably connected.

[0024] The connection between the connecting pipe 21, the long pipe 22 and the short pipe 23 is achieved by a hinge component, which includes a symmetrical left hinge seat 24 and a right hinge seat 25. The left hinge seat 24 includes a fixing part 24a at one end for embedding into the pipe and a riveting part 24b at the other end for movably riveting to the right connecting seat 25 by a rivet. After the fixing part 24a is embedded into the connecting pipe 21, the long pipe 22 or the short pipe 23, it is fixed with fasteners such as rivets.

[0025] A retractable pull rod 5 is provided on the outside of one of the handrail frames 1; the roller 4 on the side of the handrail frame with the pull rod 5 is a universal wheel with brake.

[0026] The handrail frame 1 comprises a frame formed by a front vertical tube 11, a rear vertical tube 12, a handrail tube 13, and a lower horizontal tube 14. The front and rear ends of the handrail tube 13 are connected to the upper ends of the front vertical tube 11 and the upper middle ends of the rear vertical tube 12, respectively, and the connection between the front end of the handrail tube 13 and the front vertical tube 11 is rounded. The handrail tube 13 and the front vertical tube 11 are integrally formed bent tubes, and the connection between them is rounded, which improves the comfort of the user's hand grip. The lower end of the pull rod 5 is movably riveted to the middle of the lower horizontal tube 14 and can rotate back and forth, so that the pull rod 5 can be shortened and rotated closer to the handrail frame 1, reducing its size.

[0027] The handrail frame 1 also includes hinges 15, one end of each pair of hinges 15 is fixed to both ends of the inner side of the lower horizontal tube 14, and the other end is movably connected to the base frame 3.

[0028] A U-shaped fastener 16 with an outward opening is installed on the middle of the outer side of the lower horizontal tube 13 on the left. The upper end of the U-shaped fastener 16 is provided with a positioning piece 16a that fits against the upper surface of the lower horizontal tube 13. The lower end of the pull rod 5 extends into the opening of the U-shaped fastener 16 and is riveted by a rivet, so that the pull rod 15 can rotate to move closer to or away from the left handrail frame 1.

[0029] The base frame 3 includes two symmetrical support frames 31 and a base 32. The base 32 includes a central tube 33 and two connectors 34 respectively located at the left and right ends of the central tube. The front and rear ends of the connectors 34 are movably connected to the inner sides of the two support frames 31, and the outer sides of the two support frames 31 are movably connected to the two handrail frames 1. Preferably, the central tube 33 consists of two parallel tubes.

[0030] The support frame 31 comprises an upper and lower two-layer structure. The outer tube 35a of the upper bottom frame 35 is arranged parallel to the lower bottom tube 36 and is movably connected to the connector 34. Specifically, a through hole 34c is opened on the upper and lower sides of the connector 34, and the movable riveting is achieved by rivets passing through the through hole 34c, the through hole on the outer tube 35a, or the through hole on the bottom tube 36. The bottom frame 35 includes two symmetrical outer tubes 35a and a number of connecting tubes 35b arranged longitudinally and transversely between the two outer tubes.

[0031] The connector 34 is a U-shaped part with the opening facing downwards. One end of the bottom tube 36 is provided with a protective cover 37. The outer tube 35a, the bottom tube 36 and the protective cover 37 are inserted into the opening and riveted to the connector 34 respectively. When folded, the outer tube 35a and the bottom tube 36 move towards the lower end of the opening.

[0032] The connector 34 is provided with an arc-shaped sliding groove 34a, and the lower end of the protective cover 37 is provided with a lug 37a. The lug 37a has a shaft hole 37c. The pin passes through the arc-shaped sliding groove 34a and the shaft hole 37c. When the bottom tube 36 and the protective cover 37 move to the lower end of the opening, the pin slides along the arc-shaped sliding groove 34a.

[0033] The upper surface of the connector 34 is provided with a first notch 34b.

[0034] The hinge 15 preferably adopts a U-shaped structure. One end of the hinge 15 is fixed to the lower end of the handrail frame 1, specifically the lower horizontal tube 14, and the upper and lower sides of the other end are respectively riveted to the outer tube 35a of the upper bottom frame and the bottom tube 36 of the lower layer. The bottom surface of the hinge 15 is provided with a second notch 15a.

[0035] The protective cover 37 has a limiting part 37b at its front end. When the base frame 3 is unfolded, the two limiting parts 37b on the left and right sides abut against each other. The protective cover 37 also adopts a U-shaped structure with the opening facing downward. One end of the bottom tube 36 extends into the protective cover 37 until it connects with the limiting part 37b. The connection is achieved by rivets passing through the through hole at one end of the bottom tube 36, the through hole on the protective cover 37, and the through hole 34c on the lower side of the connector 34.

[0036] When folding, in the base frame 3, the central tube 33 of the base 32 is lifted upward, which drives the inner sides of the two base frames 3 on the front and rear sides of the central tube to rise upward, and the inner sides of the outer tube 35a and the bottom tube 36 to rotate downward towards the connector 34. The pin on the lug 37a at the lower end of the protective cover 37 on the bottom tube 36 slides in the arc-shaped groove 34a. The outer sides of the outer tube 35a and the bottom tube 36 rotate upward relative to the hinge 38, and finally realizes that the two base frames 3 are folded together towards the center. In the backrest frame 2, the folding frame 2a is folded together towards the center as much as possible, and finally realizes that the two armrest frames 1 are close to the center, completing the folding and storage of the entire trolley.

[0037] This trolley also includes a fabric cover 6 placed on the base frame 3. The fabric cover includes a bottom surface 61 and four sides above the bottom surface 61. The front side 62 is independent and detachably connected to the left side 63 and right side 64 on both sides. The other three sides are connected. The outer side of the fabric cover 6 has several connecting parts for detachable connection to the armrest frame 1, backrest frame 2, and base frame 3. The connecting parts include various common shapes or structures, such as sleeves, fabric strips, zippers, Velcro, etc. In one state, when the front side 62 is folded inward independently onto the bottom surface 61, it can be used as a seat for people to sit on or for easy transport of items. In another state, the front side 62 is connected to the left side 63 and right side 64, so that the four sides are connected together, facilitating the pushing of the trolley for transport after items are stored.

[0038] In a specific example, the connecting part 71 on the left and right sides of the rear side 65 is a sleeve, fitted onto the upper end of the rear vertical tube 12. A connecting part 75 with an open lower end is provided on the outer side of the rear side 65. The connecting part 75 is made of fabric sewn onto the rear side 65, and the hinged ends of the two long tubes 22 extend upwards into the connecting part 75 from the opening. The connecting part 72 on the upper part of the left side 63 and right side 64 is a folded fabric piece with Velcro, which is folded and wrapped around the handrail tube 13 for fixation. Connecting parts are respectively provided on the front and rear vertical edges. Part 3 73 uses a folded fabric piece with Velcro to fold and wrap around the lower ends of the front vertical tube 11 and the rear vertical tube 12. The connecting part 4 74 on the bottom surface 61 consists of one or two strips of fabric with Velcro, which wrap around and fix the central tube 33. The connecting part 6 76 at the top of the two edges on the front side 62 uses strips of fabric with Velcro to wrap around the upper end of the front vertical tube 11. The connecting part 7 77 between the two edges on the front side 62 and the edges on the left side 63 and the right side 64 uses a zipper to connect the edges on the two sides together.

[0039] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A handcart that can be used as a seat, characterized in that, It includes two symmetrical armrest frames, a foldable backrest frame, and a foldable base frame. The bottom of the armrest frame is equipped with rollers. The backrest frame includes two symmetrical folding frames, which are movably connected on their inner sides and movably connected on their outer sides to the rear sides of the two armrest frames, respectively.

2. A handcart that can be used as a seat according to claim 1, characterized in that, The folding frame includes a connecting tube, a long tube, and a short tube. In a single folding frame, one end of the connecting tube is movably connected to the upper end of the short tube, the upper section of the long tube is movably connected to the short tube at an intersection, and the other end of the connecting tube and the lower end of the long tube are movably connected to the upper and lower ends of the corresponding handrail frame at the rear, respectively. In two folding frames, the lower ends of the two short tubes are movably connected, and the upper ends of the two long tubes are movably connected.

3. A handcart that can be used as a seat according to claim 1, characterized in that, The handrail frame includes a frame formed by a front vertical tube, a rear vertical tube, a handrail tube, and a lower horizontal tube. The front and rear ends of the handrail tube are respectively connected to the upper end of the front vertical tube and the upper middle end of the rear vertical tube, and the connection between the front end of the handrail tube and the front vertical tube is rounded.

4. A handcart that can be used as a seat according to claim 3, characterized in that, The handrail frame also includes hinges, with one end of each pair of hinges fixed to both ends of the inner side of the lower horizontal tube, and the other end movably connected to the base frame.

5. A handcart that can be used as a seat according to claim 3, characterized in that, The left armrest frame has a retractable pull rod on the outside; the left casters are swivel casters with brakes.

6. A handcart that can be used as a seat according to claim 5, characterized in that, A U-shaped fastener with an outward opening is installed on the middle of the outer side of the lower horizontal tube on the left. The upper end of the U-shaped fastener is provided with a positioning piece that fits against the upper surface of the lower horizontal tube. The lower end of the pull rod extends into the opening of the U-shaped fastener and is riveted by a rivet.

7. A handcart that can be used as a seat according to claim 1, characterized in that, The base frame includes two symmetrical support frames and a base. The base includes a central tube and two connectors located at the left and right ends of the central tube. The front and rear ends of the connectors are movably connected to the inner sides of the two support frames, and the outer sides of the two support frames are movably connected to the two handrail frames. The support frame includes an upper and lower two-layer structure, with the outer tube of the upper bottom frame arranged parallel to the bottom tube of the lower layer.

8. A handcart that can be used as a seat according to claim 7, characterized in that, The connector is a U-shaped piece with the opening facing downwards. One end of the bottom tube is provided with a protective cover. The outer tube and the bottom tube, together with the protective cover, extend into the opening and are riveted to the connector. When folded, the outer tube and the bottom tube move towards the lower end of the opening.

9. A handcart that can be used as a seat according to claim 8, characterized in that, The connector is provided with an arc-shaped groove, and the lower end of the protective cover is provided with a lug with a shaft hole. The pin passes through the arc-shaped groove and the shaft hole. When the bottom tube and the protective cover move to the lower end of the opening, the pin slides along the arc-shaped groove. Alternatively, the upper surface of the connector is provided with a first notch.

10. A handcart that can be used as a seat according to claim 1, characterized in that, It also includes a fabric cover placed on the base frame. The fabric cover includes a bottom surface and four sides above the bottom surface. The front side is independent and its two sides are detachably connected to the left and right sides. The other three sides are connected. The outer side of the fabric cover is provided with several connecting parts for detachable connection with the armrest frame, backrest frame and base frame.

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