Folding type portable lifting appliance

Abstract

The utility model discloses a folding portable lifting appliance, and relates to the technical field of lifting appliances, a plurality of open grooves are formed in a positioning disc at equal angles, and a positioning rod is fixedly arranged on the top surface of the positioning disc; one end of each of a plurality of positioning blocks is screwed in the corresponding open groove through a rotating rod, and the positioning blocks are connected with the positioning rods through adjusting assemblies; one end of each connecting rod is rotationally connected to the other end of the corresponding positioning block through a hinge seat; a plurality of abutting blocks are rotationally connected to the other ends of the connecting rods through rotating rods, the other ends of the abutting blocks are rotationally connected with folding rods through rotating rods, and positioning screws penetrate through the folding rods to be rotationally connected to the corresponding connecting rods in a threaded mode; a plurality of grapnels are screwed on the outer end of the folding rod by using a rotating rod; a plurality of limiting sleeves are movably arranged on the positioning blocks and the claw hooks in a sleeving mode respectively, and the limiting sleeves are connected with the corresponding connecting rods and the folding rods through bolts; the connecting block and the folding rod are respectively rotated and folded under the connecting action of the propping block, so that the claw hook is close to the positioning disc, the size of the lifting appliance is reduced, and the lifting appliance is convenient to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance technical field, concretely relates to a folding portable lifting appliance. BACKGROUND

[0002] Lifting appliance refers to the device of hoisting heavy objects in hoisting machinery, is widely used in logistics, home decoration etc. UTILITY MODEL CONTENTS

[0003] The utility model discloses to the defects and the insufficient of prior art, provide a simple structure, reasonable in design, convenient to use folding portable lifting appliance can solve the above -mentioned problem.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] Positioning disc, a plurality of slotted holes are arranged on the positioning disc at equal angles, and a positioning rod is fixedly arranged on the top surface of the positioning disc;

[0006] Positioning block, the positioning block is a plurality of, one end of the plurality of positioning blocks is rotatably connected to the slotted hole through a rotating rod, and the positioning block is connected to the positioning rod through an adjusting assembly;

[0007] Connecting rod, the connecting rod is a plurality of, the two connecting rods are rotatably connected to the other end of the positioning block through a hinge seat;

[0008] Resisting block, the resisting block is a plurality of, the plurality of resisting blocks are rotatably connected to the other end of the connecting rod through a rotating rod, and the other end of the resisting block is rotatably connected to a folding rod through a rotating rod, and a positioning screw is rotatably connected to the corresponding connecting rod through the folding rod;

[0009] Grab hook, the grab hook is a plurality of, the plurality of grab hooks are rotatably connected to the outer end of the folding rod through a rotating rod;

[0010] Limiting sleeve, the limiting sleeve is a plurality of, the plurality of limiting sleeves are movably sleeved on the positioning block and the grab hook, and the limiting sleeve is connected to the corresponding connecting rod and folding rod through a bolt.

[0011] Further, the adjusting assembly comprises:

[0012] Adjusting ring, the adjusting ring is rotatably connected to the positioning rod, a fixed ring is movably sleeved on the positioning rod, and the fixed ring is rotatably connected to the bottom end of the adjusting ring through a bearing;

[0013] Adjusting rod, the adjusting rod is a plurality of, and the two ends of the plurality of adjusting rods are rotatably connected to the positioning block and the fixed ring through a hinge seat;

[0014] The handle is fixedly arranged on the rod wall of the positioning rod and is located above the adjusting ring.

[0015] Further, the two ends of each limiting sleeve are respectively provided with wear-resistant rods which are arranged in abutment with the connecting rod and the folding rod.

[0016] Further, the bottom surface of the lower abutment block is provided with a threaded hole, and the top end of the universal wheel is threadedly screwed in the threaded hole.

[0017] Further, the two adjacent abutment blocks are movably sleeved with a reinforcing sleeve, and a fixing bolt is threadedly screwed in the upper abutment block after penetrating through the side wall of the reinforcing sleeve.

[0018] Further, the side wall of each limiting sleeve is fixedly provided with a pull rod, and the abutment pad is sleeved on the pull rod.

[0019] Compared with the prior art, the folding portable lifting appliance has the advantages that the connecting rod and the folding rod are connected through the positioning screw rod, the grab hook is close to the positioning disc, the volume of the lifting appliance is reduced, and the lifting appliance is convenient to carry. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the utility model.

[0021] Figure 2 is a structural schematic view of the adjusting assembly in the utility model.

[0022] Figure 3 is a structural schematic view of the positioning block, the connecting rod and the folding rod in the utility model.

[0023] Figure 4 is a structural state schematic view of the specific embodiment in the utility model.

[0024] Figure 5 is a structural schematic view of the limiting sleeve in the utility model.

[0025] BRIEF DESCRIPTION OF DRAWINGS:

[0026] Positioning disc 1, slotted 2, positioning rod 3, positioning block 4, adjusting assembly 5, connecting rod 6, abutment block 7, folding rod 8, positioning screw rod 9, grab hook 10, limiting sleeve 11, adjusting ring 12, fixed ring 13, adjusting rod 14, handle 15, wear-resistant rod 16, threaded hole 17, universal wheel 18, reinforcing sleeve 19, pull rod 20, abutment pad 21. DETAILED DESCRIPTION

[0027] The technical scheme in the utility model will be described clearly and completely in connection with the drawings below, and the preferred embodiments in the description are only taken as examples, and all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] As Figures 1-5 The specific embodiment adopts the following technical scheme: it comprises:

[0029] The positioning disc 1 is provided with a plurality of slots 2 at equal angles, and the top surface of the positioning disc 1 is fixedly provided with a positioning rod 3, which plays a positioning role.

[0030] The positioning block 4 is a plurality of, one end of the plurality of positioning blocks 4 is rotatably connected to the slot 2 by a rotating rod, and the positioning block 4 is connected to the positioning rod 3 by an adjusting assembly 5, and the rotation of the positioning block 4 is controlled by the adjusting assembly 5.

[0031] The connecting rod 6 is a plurality of, the two connecting rods 6 are symmetrically rotatably connected to the other end of the positioning block 4 by a hinge seat, and the connecting rod 6 plays a connecting role.

[0032] The abutting block 7 is a plurality of, the plurality of abutting blocks 7 are rotatably connected to the other end of the connecting rod 6 by a rotating rod, and the other end of the abutting block 7 is rotatably connected with a folding rod 8 by a rotating rod, and a positioning screw 9 is threadedly rotatably connected to the corresponding connecting rod 6 through the folding rod 8, the rotation of the connecting rod 6 and the folding rod 8 makes the two abutting blocks 7 move in opposite directions respectively, the bottom surface of the lower abutting block 7 is provided with a threaded hole 17, and the top end of a universal wheel 18 is threadedly rotatably connected in the threaded hole 17, so as to facilitate the rolling of the universal wheel 18, and the positioning disc 1 is moved to a suitable position, a reinforcing sleeve 19 is movably arranged on the two adjacent abutting blocks 7, a fixing bolt is threadedly rotatably connected to the upper abutting block 7 through the side wall of the reinforcing sleeve 19, the strength of the two ends of the abutting block 7 is enhanced, and bending is avoided.

[0033] The grab hook 10 is a plurality of, the plurality of grab hooks 10 are rotatably connected to the outer end of the folding rod 8 by a rotating rod, and the grab hook 10 facilitates grabbing objects.

[0034] The limiting sleeve 11 is sleeved on the positioning block 4 and the hook 10 respectively, the limiting sleeve 11 is connected with the corresponding connecting rod 6 and the folding rod 8 through bolts, the rotation of the connecting rod 6 and the folding rod 8 is limited through the limiting sleeve 11, the two ends of the limiting sleeve 11 are respectively provided with the anti-abrasion rod 16, and the anti-abrasion rod 16 is arranged in abutment with the connecting rod 6 and the folding rod 8, the end of the limiting sleeve 11 is prevented from being seriously abraded through the anti-abrasion rod 16, the sidewall of the limiting sleeve 11 is fixedly provided with the pull rod 20, and the abutment pad 21 is sleeved on the pull rod 20, so that the limiting sleeve 11 is moved conveniently;

[0035] The adjusting assembly 5 comprises:

[0036] The adjusting ring 12 is screwed on the positioning rod 3, the fixed ring 13 is sleeved on the positioning rod 3, and the fixed ring 13 is screwed on the bottom end of the adjusting ring 12 through a bearing, so that the adjusting ring 12 plays a role of adjusting;

[0037] The adjusting rod 14 is sleeved on the positioning block 4 and the fixed ring 13 through a hinge seat, and the rotation of the adjusting rod 14 is driven by the movement of the fixed ring 13, so that the positioning block 4 is driven to rotate;

[0038] The handle 15 is fixedly arranged on the rod wall of the positioning rod 3 and located above the adjusting ring 12, so that the positioning rod 3 is gripped by an operator through the handle 15 to rotate the adjusting ring 12.

[0039] When the utility model is used, the operator holds the handle 15 to rotate the adjusting ring 12, the adjusting ring 12 drives the fixed ring 13 to move on the positioning rod 3, the fixed ring 13 drives the positioning block 4 to rotate through the adjusting rod 14, the positioning block 4 drives the connecting rod 6 and the folding rod 8 to rotate, so that the position of the hook 10 is adjusted according to the volume of the object, the object is conveniently hung, when the lifting appliance needs to be folded, the bolts on the limiting sleeve 11 are unscrewed, the limiting sleeve 11 is moved to the positioning block 4 and the hook 10 respectively, the reinforcing sleeve 19 is taken out, the connecting rod 6 and the folding rod 8 are rotated respectively, the connecting rod 6 and the folding rod 8 are connected through the positioning screw rod 9, and the universal wheel 18 is screwed on the lower abutment block 7 (for example Figure 4 ),

[0040] Compared with the prior art, the utility model has the beneficial effects that:

[0041] 1. The connecting block and the folding rod 8 are respectively rotated and folded through the connecting effect of the abutment block 7, so that the hook 10 is close to the positioning disc 1, the volume of the lifting appliance is reduced, and the lifting appliance is convenient to carry;

[0042] 2、Set adjusting assembly 5, through adjusting ring 12 drive fixed ring 13 on the positioning rod 3 move, cooperate adjusting rod 14 drive corresponding positioning block 4 rotation, thereby control the position of the grab hook 10, facilitate to hang different volume of objects;

[0043] 3、Set universal wheel 18, use universal wheel 18 roll on the ground, facilitate to move the positioning disc 1 to the appropriate position;

[0044] 4、Set reinforcing sleeve 19, facilitate to increase the strength of the both ends of the resisting block 7, ensure the position of the grab hook 10.

[0045] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, equivalent replacement of part of technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A foldable portable lifting device, characterized in that, It contains: Positioning disk (1), wherein several slots (2) are opened at equal angles on the positioning disk (1), and a positioning rod (3) is fixedly provided on the top surface of the positioning disk (1). Positioning block (4), there are several positioning blocks (4), one end of several positioning blocks (4) is screwed into the slot (2) by a rotating rod, and the positioning block (4) is connected to the positioning rod (3) by an adjustment component (5); Connecting rod (6), there are several connecting rods (6), and the several connecting rods (6) are symmetrically connected to the other end of the positioning block (4) by hinge seats; The contact block (7) is a plurality of such contact blocks (7). The plurality of contact blocks (7) are screwed onto the other end of the connecting rod (6) by means of a rotating rod. The other end of the contact block (7) is screwed onto a folding rod (8) by means of a rotating rod. The positioning screw (9) passes through the folding rod (8) and is screwed onto the corresponding connecting rod (6). The grab (10) consists of several grabs (10), which are screwed onto the outer end of the folding rod (8) using a rotating rod; Limiting sleeve (11), there are several limiting sleeves (11), and the several limiting sleeves (11) are respectively movably sleeved on the positioning block (4) and the grab hook (10). The limiting sleeves (11) are connected to the corresponding connecting rod (6) and folding rod (8) by bolts.

2. The foldable portable lifting device according to claim 1, characterized in that: The adjustment component (5) includes: Adjusting ring (12), the adjusting ring (12) is threaded onto positioning rod (3), and fixing ring (13) is movably sleeved on positioning rod (3). Fixing ring (13) is screwed onto the bottom end of adjusting ring (12) using bearings. Adjusting rod (14), there are several adjusting rods (14), and the two ends of the several adjusting rods (14) are respectively screwed onto the positioning block (4) and the fixing ring (13) by hinge seats; The handle (15) is fixedly mounted on the wall of the positioning rod (3) and is located above the adjusting ring (12).

3. A foldable portable lifting device according to claim 1, characterized in that: Several limiting sleeves (11) are provided with anti-wear rods (16) at both ends, and the anti-wear rods (16) are set to abut against the connecting rod (6) and the folding rod (8).

4. A foldable portable lifting device according to claim 1, characterized in that: The bottom surface of the lower contact block (7) is provided with a threaded hole (17), and the top of the universal wheel (18) is threaded into the threaded hole (17).

5. A foldable portable lifting device according to claim 1, characterized in that: A reinforcing sleeve (19) is movably fitted on the two adjacent abutting blocks (7). After the fixing bolt passes through the side wall of the reinforcing sleeve (19), it is threaded onto the upper abutting block (7).

6. A foldable portable lifting device according to claim 1, characterized in that: A pull rod (20) is fixedly provided on the side wall of several limiting sleeves (11), and an abutment pad (21) is sleeved on the pull rod (20).

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