CN214157734U

CN214157734U - Two-folding four-wheel handcart

Info

Publication number: CN214157734U
Application number: CN202022222427.XU
Authority: CN
Inventors: 马家疆; 熊超
Original assignee: Bliss Health Procducts Co ltd
Current assignee: Bliss Health Procducts Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-09-10
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a two-folding four-wheel handcart, which comprises a chair seat frame, wherein the chair seat frame is provided with a support rod and a caster, the caster is hinged with the support rod, and the caster rotates by taking the hinged part as a shaft so as to lead the caster to be folded towards the support rod; the chair seat frame comprises a first chair seat frame and a second chair seat frame, and the first chair seat frame is connected with the second chair seat frame through a plurality of bearing supports; the bearing support comprises a movable end and a lap joint end, the movable end is hinged to the first seat frame so that the bearing support can turn over by taking the hinged position as an axis, the lap joint end is movably connected to the second seat frame, and the relative position of the first seat frame and the second seat frame can be changed by releasing the connection between the lap joint end and the seat frame. It has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the product has excellent technical and economic performance.

Description

Two-folding four-wheel handcart

[ technical field ] A method for producing a semiconductor device

The utility model mainly relates to a two-fold formula four-wheel handcart.

[ background of the invention ]

Along with the rapid development of Chinese economy, the living standard of people is gradually improved, and the quality requirements of people on life are higher and higher. However, in a large population country such as China, the problem of old people's care has to be paid high attention to, and the problem of the quality of life of old people is also a social problem. In 2017, the number of old people over 60 years old in China is as high as 2.41 million, with the increase of the age, the physical function gradually declines, and various inconveniences of life are brought by the lack of the physical function, so that a tool capable of assisting the daily life of the old people is needed; the existing wheelchairs on the market generally cannot be folded, have large integral volume, overweight and large occupied space for storage and transportation, and are not beneficial to placement and transportation; how to design a wheelchair structure which can reduce the inconvenience of the user in life to the maximum extent and is convenient to operate and store becomes the focus of attention of people.

[ Utility model ] content

For reducing the occupation of space volume, the utility model provides a new structure scheme, this two-fold formula four-wheel handcart adopts following technical scheme:

a two-folding type four-wheel handcart comprises a chair seat frame, wherein the chair seat frame is provided with a support rod and a caster, the caster is hinged to the support rod, and the caster rotates by taking the hinged position as a shaft so as to enable the caster to be folded to the support rod;

the chair seat frame comprises a first chair seat frame and a second chair seat frame, and the first chair seat frame is connected with the second chair seat frame through a plurality of bearing supports; the bearing support comprises a movable end and a lap joint end, the movable end is hinged to the first seat frame so that the bearing support can turn over by taking the hinged position as an axis, and the lap joint end is movably connected to the second seat frame; the relative position of the first seat frame and the second seat frame is changed by controlling the connection state of the lap joint end and the seat frame.

Preferably, the bearing supports are connected in a cross mode, and the bearing supports rotate by taking the cross points as axes.

Preferably, the hand brake is installed to the bracing piece, be equipped with the line chamber in the bracing piece, the brake cable of hand brake passes the line chamber is connected with the pulley of caster.

Preferably, a seat cushion is placed on the bearing support of the first seat frame and the second seat frame, and the seat cushion is connected to the lap joint end.

Preferably, the bracing piece is including adjusting pole and retaining member, the retaining member has the grafting chamber, adjust the pole peg graft in the retaining member, just adjust the pole and carry out flexible adjustment length for the grafting chamber.

Preferably, the locking piece is provided with a rod seat and a buckle seat, the movable end is hinged to the rod seat, and the overlapping end is buckled to the buckle seat.

Preferably, the inserting cavity is provided with a locking switch and a clamping switch, the clamping switch is provided with a raised head, the adjusting rod is provided with a jack, and the raised head is connected with the jack in a matched mode so that the adjusting rod is limited in the inserting cavity.

Preferably, the locking piece is provided with a butt joint part, the butt joint part is provided with a locking cavity, and a clamping block is arranged in the locking cavity; the locking switch is connected to the clamping block, and the clamping block is driven by the locking switch to move in the locking cavity.

Preferably, the locking switch includes a trip bar, a follower, and a connecting rod, the connecting rod is connected to the follower and the chucking block, respectively, and the trip bar is connected to the follower.

Preferably, the caster has the lock joint board, the lock joint board is equipped with the screens, the chucking piece by the connecting rod drive movable joint in the screens to control the locking state of caster.

The utility model discloses compare produced beneficial effect with the background art:

the utility model adopts the above technical scheme, the connection between the caster and the support rod can be released by controlling the locking switch, so that the caster can turn over towards the support rod; meanwhile, the bearing support is matched with the chair seat frame to be in elastic connection, so that secondary storage can be realized, and the occupation of space volume is reduced to the maximum extent. It has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the product has excellent technical and economic performance.

[ description of the drawings ]

FIG. 1 is a schematic view of a two-fold four-wheel stroller in accordance with a preferred embodiment of the present invention;

fig. 2 is a partially exploded view of the two-fold four-wheel stroller in accordance with the preferred embodiment of the present invention;

FIG. 3 is a schematic view of a support rod according to a preferred embodiment of the present invention;

FIG. 4 is a schematic view of a locking member in accordance with a preferred embodiment of the present invention;

fig. 5 is an exploded view of the locking member of the preferred embodiment of the present invention.

[ detailed description ] embodiments

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

The utility model provides a preferred embodiment: as shown in fig. 1 to 5, a two-fold four-wheeled stroller includes a seat frame 10, the seat frame 10 has a support rod 20 and a caster 30, the caster 30 is hinged to the bottom of the support rod 20, and the caster 30 rotates about the hinged portion as an axis to fold the caster 30 toward the support rod 20.

The seat frame 10 comprises a first seat frame 11 and a second seat frame 12, the first seat frame 11 and the second seat frame 12 have the same structural characteristics, and the first seat frame and the second seat frame are connected through a plurality of load-bearing supports 40; the bearing support 40 is in cross connection, and the bearing support 40 rotates by taking the cross point as an axis, so that the bearing support is convenient to fold and store. The load-bearing support 40 comprises a movable end 41 and a lap end 42, the movable end 41 is hinged to the first seat frame 11 to enable the load-bearing support 40 to turn around the hinged position as an axis, the lap end 42 is movably connected to the second seat frame 12, and the relative position of the first seat frame 11 and the second seat frame 12 is changed by controlling the connection state of the lap end 42 and the seat frame 10. The load-bearing support 40 of the first seat frame 11 and the second seat frame 12 is provided with a soft cushion 43, and the cushion 43 is connected to the lap joint end 42.

A hand brake 21 is mounted at the top of the support rod 20, a wire passing cavity 22 is arranged in the support rod 20, and a brake wire of the hand brake 21 passes through the wire passing cavity 22 and is connected with a pulley of the caster 30; the design avoids the brake cable from being exposed, keeps the whole attractive appearance and avoids the brake cable from being damaged.

The support rod 20 comprises an adjusting rod 23 and a locking member 50, the locking member 50 is provided with an inserting cavity 51, the adjusting rod 23 is inserted into the locking member 50, and the adjusting rod 23 can be adjusted in length in a telescopic mode relative to the inserting cavity 51. The locking member 50 is provided with a rod seat 52 and a buckle seat 53, the movable end 41 is hinged on the rod seat 52, and the overlapping end 42 is buckled on the buckle seat 53.

The plugging cavity 51 is provided with a locking switch 54 and a clamping switch 55, the clamping switch 55 is provided with a raised head 56, the adjusting rod 23 is provided with a plug hole 24, and the raised head 56 is in matched connection with the plug hole 24 so as to limit the adjusting rod 23 in the plugging cavity 51.

The locking member 50 is provided with an abutting part 57, the abutting part 57 is provided with a locking cavity 58, and a clamping block 59 is arranged in the locking cavity 58; the locking switch 54 is connected to a clamping block 59, and the clamping block 59 is driven by the locking switch 54 to move in the locking cavity 58; the locking switch 54 comprises a turning bar 541, a follower 542 and a connecting rod 543, the connecting rod 543 is respectively connected with the follower 542 and the clamping block 59, and the turning bar 541 is connected with the follower 542.

The caster 30 hinged with the support rod 20 has a locking plate 31, the locking plate 31 is provided with a clamping position 32, and the clamping block 59 is driven by the connecting rod 543 to be movably clamped in the clamping position 32 so as to control the locking state of the caster. The turning strip turns upwards to lift the follower upwards, and the follower that upwards promotes drives the connecting rod promotes to utilize the connecting rod to make the chucking piece in the locking cavity promote together, make the chucking piece break away from the screens and relieve the locking state of caster.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. The utility model provides a two formula four-wheel handcart that roll over, includes seat frame, its characterized in that:

the chair seat frame is provided with a support rod and a caster, the caster is hinged to the support rod, and the caster rotates by taking the hinged position as a shaft so as to enable the caster to be folded towards the support rod;

2. The two-fold four-wheeled hand truck of claim 1, wherein: the bearing supports are in cross connection, and rotate by taking the cross points as axes.

3. The two-fold four-wheeled hand truck of claim 1, wherein: the hand brake is installed to the bracing piece, be equipped with the line chamber in the bracing piece, the brake cable of hand brake passes the line chamber is connected with the pulley of round foot.

4. The two-fold four-wheeled hand truck of claim 1, wherein: and seat cushions are placed on the bearing supports of the first seat frame and the second seat frame and are connected to the lap joint ends.

5. The two-fold four-wheeled hand truck of claim 1, wherein: the bracing piece is including adjusting pole and retaining member, the retaining member has the grafting chamber, adjust the pole peg graft in the retaining member, just adjust the pole and carry out flexible adjustment length for the grafting chamber.

6. The two-fold four-wheeled cart of claim 5, wherein: the locking piece is provided with a rod seat and a buckle seat, the movable end is hinged to the rod seat, and the lap joint end is buckled on the buckle seat.

7. The two-fold four-wheeled cart of claim 5, wherein: the inserting cavity is provided with a locking switch and a clamping switch, the clamping switch is provided with a raised head, the adjusting rod is provided with an inserting hole, and the raised head is connected with the inserting hole in a matched mode so as to limit the adjusting rod in the inserting cavity.

8. The two-fold four-wheeled cart of claim 7, wherein: the locking piece is provided with a butt joint part, the butt joint part is provided with a locking cavity, and a clamping block is arranged in the locking cavity; the locking switch is connected to the clamping block, and the clamping block is driven by the locking switch to move in the locking cavity.

9. The two-fold four-wheeled cart of claim 8, wherein: the locking switch comprises a turning strip, a follower and a connecting rod, the connecting rod is respectively connected with the follower and the clamping block, and the turning strip is connected with the follower.

10. The two-fold four-wheeled cart of claim 9, wherein: the caster has the lock joint board, the lock joint board is equipped with the screens, the chucking piece drive movable joint in by the connecting rod the screens to the locking state of control caster.