Double-suspender gathering cart

Abstract

The utility model discloses a gathering cart with double suspenders, which comprises a frame, the frame comprises four support rods, a group of first folding frames, a group of second folding frames and a bottom folding frame, rollers are arranged at the bottoms of the four support rods, the upper ends of the left and right sides of the first folding frames and the second folding frames are movably connected with the two support rods respectively, and the lower ends of the left and right sides of the first folding frames and the second folding frames are slidably connected with the support rods respectively; the bottom folding frame comprises three bottom frames movably connected to the same plane, and each bottom frame comprises a center base and four bottom rods movably connected to the four corners of the center base. The first folding frame comprises at least one group of X cross rods which are movably connected; the second folding frame further comprises at least two sets of X-shaped cross rods which are movably connected and two hanging rods, and the two ends of each hanging rod are movably connected with the connecting points of the X-shaped cross rods and the bottom folding frame. Through the design of the double suspenders, the bottom frame is connected with the front side, the rear side, the left side and the right side, the bottom supporting force of the bottom folding frame is enhanced, and the using stability of the vehicle is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of handcart, concretely relates to a gather up cart of double suspender. BACKGROUND

[0002] In some short-distance transportation in daily life, handcart is still an indispensable handling tool. A handcart is disclosed in Chinese patent with publication number "CN220374554U", which comprises a frame, the frame is composed of a front wall, a rear wall, a left side wall, a right side wall and at least four wheel units; the front wall and the rear wall are respectively composed of scissor type linkage assemblies; the left side wall and the right side wall are respectively composed of at least two groups of scissor type linkage assemblies; the four wheel units are located between the front wall, the rear wall, the left side wall and the right side wall; the frame bottom is provided with a bottom linkage assembly, the bottom linkage assembly comprises at least four second linkages respectively rotationally connected to the four wheel units and a connecting piece arranged at the middle position of the frame bottom, the inner ends of the four second linkages are respectively rotationally connected to the connecting piece; when the connecting piece is lifted upward, the frame is inwardly retracted and folded.

[0003] The front wall, the rear wall, the left side wall and the right side wall of the above-mentioned handcart are composed of scissor type linkage assemblies, the bottom linkage assembly comprises at least four second linkages and a connecting piece at the middle position of the frame bottom, although the four sides and the bottom of the frame can be retracted and folded, the front and rear sides of the bottom linkage assembly are connected with the four wheel units, the left and right sides are not connected with the left side wall and the right side wall, the bearing capacity of the bottom linkage assembly is weak, and the stability is relatively poor. SUMMARY

[0004] The utility model aims at the defects of prior art, provides a gather up cart of double suspender.

[0005] In order to realize above object, the utility model adopts following technical scheme: a gather up cart of double suspender, including frame, the frame includes four bottom support rods provided with gyro wheel, a group of first folding frame, a group of second folding frame and bottom folding frame, first folding frame, second folding frame left and right side upper end respectively with two support rods swing joint, lower end respectively with support rod sliding connection;The bottom folding frame includes three bottom frames swing connected in the same plane, the bottom frame includes center seat and four bottom rods swing connected in the center seat four corners;The first folding frame includes at least a group of swing connected X cross rod;The second folding frame still includes at least two groups of swing connected X cross rod and two suspender, and the both ends of each suspender are swing connected with the connecting point of X cross rod and bottom folding frame.

[0006] Further, the bottom folding frame further includes two connecting seats, the bottom rods of the adjacent two bottom frames are swing connected with the front and rear sides of the connecting seat respectively;The lower end of the suspender is connected with the connecting seat.

[0007] Further, the boom comprises a body, a sliding slot is formed on the body, and the connecting point of the X-shaped cross rod is slidably connected with the sliding slot.

[0008] Further, the boom comprises a body and a sliding piece, a sliding slot is formed on the sliding piece, the upper end of the body is movably connected with the connecting point of the X-shaped cross rod, the lower end of the body is slidably connected with the sliding slot, and the bottom of the sliding piece is connected with the movable connecting point between the two adjacent bottom frames.

[0009] Further, the upper and lower ends of the support rod are respectively provided with an upper fixing seat and a lower fixing seat, the upper end of the first folding frame or the second folding frame is movably connected with the upper fixing seat, and the outer side bottom rod in the outer side bottom frame is movably connected with the lower fixing seat.

[0010] Further, the two lower fixing seats on the front side of the frame are movably riveted with pull rods.

[0011] Further, the pull rod comprises a telescopic rod, a handle, a pull rod seat and two lower pull rods, the handle is installed on the top of the telescopic rod, the telescopic rod passes through the pull rod seat and can slide up and down, the upper ends of the two lower pull rods are symmetrically movably connected on the left and right sides of the pull rod seat, and the lower ends of the two lower pull rods are symmetrically movably connected on the two lower fixing seats.

[0012] Further, the lower pull rod comprises a rod body and a sliding piece with a strip-shaped slot, the upper end of the sliding piece is movably connected with the pull rod seat, the upper end of the rod body is slidably connected with the strip-shaped slot, and the lower end of the rod body is movably connected with the lower fixing seat.

[0013] Further, the pull rod further comprises a connecting block, the connecting block is movably connected with the lower end of the rod body and the lower fixing seat respectively.

[0014] Further, the support rod is provided with a sliding block which can slide up and down, and the lower end of the first folding frame or the second folding frame is movably connected with the sliding block.

[0015] Further, the rollers on the front side of the frame adopt universal wheels, and the rollers on the rear side of the frame adopt directional wheels.

[0016] Further, in the bottom folding frame, the bottom rod of the middle bottom frame adopts a bent rod, and the bottom rods of the front and rear bottom frames adopt straight rods.

[0017] The utility model discloses the technical scheme, the utility model discloses the beneficial effect is: through double derrick design, make the chassis not only with front and back side connection, still with left and right side connection, strengthened the bottom support of bottom folding frame, increased the stability of vehicle use, adopt three chassis can gather structure, make the height of bottom folding frame lower after folding, first folding frame, second folding frame are slidably connected on the support rod through the sliding block, and after folding, X cross bar gathers, and the sliding block slides down, and the whole vehicle height does not rise, the four sides and bottom of whole frame can be folded and gathered, compared with the unfolded state, the whole vehicle volume is effectively reduced, and folding and unfolding are convenient and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the perspective diagram of the gathering trolley of double derrick of example 1;

[0019] Fig. 2 It is the side view of the gathering trolley of double derrick of example 1;

[0020] Fig. 3 It is the bottom view of the gathering trolley of double derrick of example 1;

[0021] Fig. 4 It is the perspective diagram of the gathering trolley of double derrick of example 2;

[0022] Fig. 5 It is the front view of the gathering trolley of double derrick of example 2;

[0023] Fig. 6 It is the perspective diagram of the gathering trolley of double derrick of example 3;

[0024] Fig. 7 It is the side view of the gathering trolley of double derrick of example 3.

[0025] In the drawing: 1 support rod, 11 upper fixed seat, 12 lower fixed seat, 13 sliding block, 14 roller, 2 first folding frame, 3 second folding frame, 4 bottom folding frame, 41 center seat, 42 bottom rod, 42a bent rod, 42b straight rod, 43 connecting seat, 5 X cross rod, 51 connecting point, 6 derrick, 6a sliding sheet, 61 sliding groove, 7 pull rod, 71 telescopic rod, 72 handle, 73 pull rod seat, 74 lower pull rod, 74a sliding sheet, 741 strip-shaped groove, 75 connecting block. DETAILED DESCRIPTION

[0026] The utility model discloses the technical scheme, the utility model discloses the beneficial effect is: through double derrick design, make the chassis not only with front and back side connection, still with left and right side connection, strengthened the bottom support of bottom folding frame, increased the stability of vehicle use, adopt three chassis can gather structure, make the height of bottom folding frame lower after folding, first folding frame, second folding frame are slidably connected on the support rod through the sliding block, and after folding, X cross bar gathers, and the sliding block slides down, and the whole vehicle height does not rise, the four sides and bottom of whole frame can be folded and gathered, compared with the unfolded state, the whole vehicle volume is effectively reduced, and folding and unfolding are convenient and reliable.

[0027] Example 1

[0028] As Figs. 1-3The double-hoist-pole gathering cart shown in the figure comprises a frame, the frame comprising four bottom-roller-equipped support poles 1, a set of first folding frames 2, a set of second folding frames 3, and a bottom folding frame 4, the first folding frames 2 and the second folding frames 3 being movably connected to the two support poles 1 at the upper ends and being slidably connected to the support poles at the lower ends, the two first folding frames 2 being symmetrically distributed in front and back, and the two second folding frames 3 being symmetrically distributed in left and right, the bottom folding frame 4 comprising three bottom frames movably connected to the same plane, the bottom frame comprising a center seat 41 and four bottom poles 42 movably connected to the four corners of the center seat 41, the four bottom poles 42 being pivoted downward to gather when the center seat 41 is pulled upward.

[0029] The first folding frame 2 comprises at least one set of movably connected X-cross poles 5, and the second folding frame 3 further comprises at least two sets of movably connected X-cross poles 5 and two hoist poles 6, the two ends of each hoist pole 6 being movably connected to the connecting points 51 of the X-cross poles 5 and the bottom folding frame 4, the X-cross poles being capable of being unfolded and gathered, and the two adjacent X-cross poles 5 being capable of being pivoted to gather or unfold, thereby driving the two adjacent support poles 1 to move close to or away from each other, and further realizing the folding or unfolding of the four sides of the frame.

[0030] The bottom folding frame 4 further comprises two connecting seats 43, the bottom poles of the two adjacent bottom frames being movably connected to the front and back sides of the connecting seats 43, and the lower ends of the hoist poles 6 being connected to the connecting seats 43.

[0031] The hoist pole 6 comprises a body, a sliding groove 61 being formed in the body, and the connecting points 51 of the X-cross poles 5 being slidably connected to the sliding groove 61, specifically, a rivet being connected to the connecting points 51 of the X-cross poles 5 and the sliding groove 61, the rivet being capable of sliding up and down in the sliding groove 61 when the frame is folded.

[0032] The upper and lower ends of the support pole 1 are respectively provided with an upper fixed seat 11 and a lower fixed seat 12, the upper end of the first folding frame 2 or the second folding frame 3 being pivotally connected to the upper fixed seat 11, and the outer side bottom pole 42 in the outer side bottom frame being pivotally connected to the lower fixed seat 12, the center seat 4 being raised when the bottom frame is folded, thereby driving the lower end of the outer side bottom pole 42 to pivot upward around the lower fixed seat 12 or the connecting seat 43.

[0033] A pull rod 7 is movably riveted to the two lower fixed seats 12 on the front side of the frame, the pull rod 7 being capable of pivoting forward and backward around the lower fixed seat 12. Specifically, the pull rod 7 comprises an extension rod 71, a handle 72, a pull rod seat 73, and two lower pull rods 74, the handle 72 being mounted on the top of the extension rod 71, the extension rod 71 being capable of sliding up and down through the pull rod seat 73, the upper ends of the two lower pull rods 74 being symmetrically movably connected to the left and right sides of the pull rod seat 73, and the lower ends being symmetrically movably connected to the two lower fixed seats 12, the lower pull rods 74 being capable of pivoting left and right.

[0034] The pull rod 7 further comprises a connecting block 75, which is movably connected with the lower end of the lower pull rod 74 and the lower fixed seat 12 respectively. The connecting block 75 can rotate forward and backward around the lower fixed seat 12, and the lower end of the lower pull rod 74 can rotate left and right around the connecting block 75.

[0035] A sliding block 13, which can slide up and down, is mounted on the support rod 1, and the lower end of the first folding frame 2 or the second folding frame 3 is movably connected with the sliding block 13.

[0036] The front wheels 14 of the frame are universal wheels, and the rear wheels are directional wheels.

[0037] In the bottom folding frame 4, the bottom rods of the middle bottom frame are curved rods 42a, such as s-shaped curved rods, and the bottom rods of the front and rear bottom frames are straight rods 42b.

[0038] In the embodiment, the support rod 1 is a round pipe, and the remaining bottom rods, boom rods, X-cross rods, etc. are preferably flat round pipes.

[0039] Embodiment 2

[0040] Different from embodiment 1, as shown in FIG. 2, in the double-boom gathering stroller of the embodiment, the lower pull rod 74 in the pull rod of the embodiment comprises a rod body and a sliding piece 74a with a strip-shaped slot 741, the upper end of the sliding piece 74a is movably connected with the pull rod seat 73 to rotate left and right, the upper end of the rod body is slidably connected with the strip-shaped slot 741, and the lower end of the rod body is movably connected with the lower fixed seat 12 through the connecting block 75 to rotate left and right. Figs. 4-5

[0041] Specifically, the rivet passes through the strip-shaped slot 41 and the upper end of the rod body to be riveted, and the sliding piece 74a can be extended into or out of the rod body by sliding in the strip-shaped slot 41 through the rivet.

[0042] Embodiment 3

[0043] Different from embodiment 2, as shown in FIG. 3, in the double-boom gathering stroller of the embodiment, the boom rod 6 comprises a body and a sliding piece 6a, the sliding piece 6a has a sliding slot 61 on the upper end, the upper end of the body is movably connected with the connecting point 51 of the X-cross rod 5, and the lower end of the body is slidably connected with the sliding slot 61; the bottom of the sliding piece 6a is connected with the movable connecting point between two adjacent bottom frames, specifically, the connecting seat 43 between the two adjacent bottom frames. Figs. 6-7

[0044] Specifically, the rivet passes through the lower end of the body and the sliding slot 61 to be connected, and the sliding piece 6a can be extended into or out of the body by sliding in the strip-shaped slot 41 through the rivet.

[0045] ​​It should be noted that the above only the preferred embodiments of the present application and the use of technical principles. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, those skilled in the art can make various obvious changes, re-adjustment and replacement without departing from the scope of the present application. Therefore, although the above embodiments of the present application has been described in more detail, but the present application is not limited to the above examples, without departing from the concept of the present application, but also can include more other equivalent embodiments, and the scope of the present application is determined by the appended claims.

Claims

1. A double boom converging cart, characterized by, The utility model provides a foldable bicycle frame, which comprises a frame, four supporting rods with wheels at the bottom, a first folding frame, a second folding frame and a bottom folding frame, the first folding frame and the second folding frame are movably connected to the two supporting rods at the upper ends and slidably connected to the supporting rods at the lower ends, and the bottom folding frame comprises three bottom frames movably connected to the same plane. The first folding frame comprises at least one set of X-shaped cross rods movably connected to each other, and the second folding frame further comprises at least two sets of X-shaped cross rods movably connected to each other and two hanging rods, the two ends of each hanging rod are movably connected to the connecting points of the X-shaped cross rods and the bottom folding frame. The bottom folding frame further comprises two connecting seats, the bottom rods of the two adjacent bottom frames are movably connected to the front and rear sides of the connecting seats, and the lower end of the hanging rod is connected to the connecting seat.

2. A twin boom converging cart according to claim 1, wherein, The hanging rod comprises a body, a sliding groove is formed in the body, and the connecting points of the X-shaped cross rods are slidably connected to the sliding groove.

3. A twin boom converging cart according to claim 2, wherein, The hanging rod comprises a body and a sliding piece, a sliding groove is formed in the sliding piece, the upper end of the body is movably connected to the connecting points of the X-shaped cross rods, and the lower end of the body is slidably connected to the sliding groove.

4. A twin boom converging cart according to claim 2, wherein, The upper and lower ends of the supporting rod are respectively provided with upper and lower fixed seats, the upper end of the first folding frame or the second folding frame is movably connected to the upper fixed seat, and the outer side bottom rod in the outer side bottom frame is movably connected to the lower fixed seat.

5. A twin boom converging cart according to claim 1, wherein, Pull rods are movably riveted to the two lower fixed seats on the front side of the frame.

6. A twin boom converging cart according to claim 5, wherein, The pull rod comprises a telescopic rod, a handle, a pull rod seat and two lower pull rods, the handle is installed at the top of the telescopic rod, the telescopic rod passes through the pull rod seat and can slide up and down, the upper ends of the two lower pull rods are symmetrically movably connected to the left and right sides of the pull rod seat, and the lower ends of the two lower pull rods are symmetrically movably connected to the two lower fixed seats.

7. A twin boom converging cart according to claim 6, wherein, The lower pull rod comprises a rod body and a sliding piece with a strip-shaped groove, the upper end of the sliding piece is movably connected to the pull rod seat, the upper end of the rod body is slidably connected to the strip-shaped groove, and the lower end of the rod body is movably connected to the lower fixed seat.

8. A twin boom converging cart according to claim 7, wherein, The pull rod further comprises a connecting block, the connecting block is movably connected to the lower end of the rod body and the lower fixed seat respectively.

9. A twin boom converging cart according to claim 7, wherein, The supporting rod is provided with a sliding block that can slide up and down, and the lower end of the first folding frame or the second folding frame is movably connected to the sliding block.

10. A twin boom converging cart according to claim 1, wherein, The wheels on the front side of the frame are universal wheels, and the wheels on the rear side of the frame are directional wheels.

11. A twin boom converging cart according to claim 1, wherein, In the bottom folding frame, the bottom rod of the middle bottom frame is a bent rod, and the bottom rods of the front and rear bottom frames are straight rods.

12. A twin boom converging cart according to claim 1, wherein, ​

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