Internal support type manual lifting appliance

Through the design of connecting rods, pull rods and inner support cone sleeves, the problem of frequent adjustment of traditional inner support manual slings is solved, and simple operation and lifting stability are achieved. It is suitable for solving the lifting efficiency and safety problems existing in the existing technology and is suitable for needs.

CN223457983UActive Publication Date: 2025-10-21SHANGHAI DINGDECHENG INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202423181922.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-10-21
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Traditional internally supported manual slings require frequent adjustments to accommodate different objects. The operation is cumbersome and requires high operator skills, resulting in unstable lifting.

Method used

Through the design of the connecting rod, pull rod and inner support cone sleeve, when the connecting rod is lifted upward, the inner support cone sleeve slides, causing the sliding sleeve to move upward and expand with the inner wall of the ring. As the pull rod is pulled, the sliding sleeve fits tightly against the inner wall of the product to achieve lifting.

Benefits of technology

It simplifies the operating process, improves work efficiency, reduces adjustment time, ensures hoisting stability, and allows operators to use it safely and efficiently even if they lack experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of lifting appliances, and discloses an inner support type manual lifting appliance which comprises a lifting bolt, a first hexagon nut is arranged at the lower end of the outer wall of the lifting bolt, a connecting rod is fixedly connected to the lower surface of the first hexagon nut, a pull rod is arranged on the inner wall of the connecting rod, and a connecting seat is slidably connected to the middle of the outer wall of the pull rod. The lower end of the outer wall of the connecting base is rotationally connected with a connecting rod, the end, away from the connecting base, of the connecting rod is rotationally connected with a sliding sleeve, and the inner wall of the sliding sleeve is slidably connected with an inner supporting taper sleeve. According to the device, the connecting rod is connected with the pull rod and the inner supporting taper sleeve, when the connecting rod is lifted upwards, the inner supporting taper sleeve slides upwards, so that the sliding sleeve moves upwards in an inclined mode, the sliding sleeve makes contact with the inner wall of the annular piece through the connecting rod and is expanded tightly, and along with continuous pulling of the pull rod, the sliding sleeve is tightly attached to the inner wall of a product under the action of horizontal component force; and time and labor are saved, and the working efficiency of workers can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a hoist field especially relates to a kind of inside bracing type manual hoist. BACKGROUND

[0002] Manual hoist refers to the hoisting tool without power or mechanical drive, completely relying on manual operation, and inside bracing type manual hoist is a kind of tool for hoisting by supporting the inside of object, usually used for carrying and hoisting irregular shape or inside space can exert supporting force object, the design concept of this hoist is to disperse load by inside bracing point, ensure the stability and safety of object in hoisting process, inside bracing type manual hoist is widely used in hoisting operation needing internal support and higher stability requirement with its flexible, effective supporting mode.

[0003] Traditional inside bracing type manual hoist needs to be accurately adjusted according to the size and shape of hoisted object in some cases, if object is different, hoist needs to be frequently adjusted to adapt to different objects, it is relatively cumbersome to operate, secondly, higher skill and experience are needed for the adjustment and use of hoist, and operator needs to have certain professional knowledge and skill to effectively use inside bracing type manual hoist, for personnel with insufficient experience, it may lead to unstable hoisting or improper operation.

[0004] Therefore, inside bracing type manual hoist is provided by the person skilled in the art to solve the problems raised in the above background. SUMMARY

[0005] The utility model aims at solving the shortcomings in prior art, and provides an inside bracing type manual hoist, which is connected by connecting rod, pull rod and inside bracing cone sleeve, when connecting rod is lifted upward, inside bracing cone sleeve slides upward, so that sleeve moves obliquely upward, sleeve and annular piece inner wall are contacted and expanded by connecting rod, sleeve is closely combined with product inner wall by horizontal component force with the continuous pulling of pull rod, so as to drive product to rise and transfer, time and labor are saved, and the work efficiency of staff can be improved.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] An inside bracing type manual hoist, which comprises a lifting ring screw, a first hexagon nut is arranged at the lower end of the outer wall of the lifting ring screw, a connecting rod is fixedly connected to the lower surface of the first hexagon nut, a pull rod is arranged in the inner wall of the connecting rod, a connecting seat is slidably connected to the middle part of the outer wall of the pull rod, a connecting rod is rotatably connected to the lower end of the outer wall of the connecting seat, a sleeve is rotatably connected to the end of the connecting rod away from the connecting seat, an inside bracing cone sleeve is slidably connected to the inner wall of the sleeve, handles are clamped and matched to the two sides of the outer wall of the connecting seat, and an annular piece is arranged on the outer wall of the sleeve.

[0008] Through the above technical scheme, by connecting the connecting rod with the pull rod and the inner support cone sleeve, when the connecting rod is lifted upward, the inner support cone sleeve slides upward, so that the sliding sleeve moves obliquely upward, the sliding sleeve contacts the inner wall of the annular part and expands tightly through the connecting rod, and as the pull rod is continuously pulled, the sliding sleeve is tightly attached to the inner wall of the product under the action of the horizontal component force, thereby driving the product to rise and transfer, saving time and effort, and improving the work efficiency of the staff.

[0009] Further, the upper end of the outer wall of the pull rod is provided with a second hexagonal nut, the lower surface of the second hexagonal nut is fixedly connected with a first grommet, and the lower end of the outer wall of the pull rod is fixedly connected with a limiting ring.

[0010] Through the above technical scheme, the inner support type manual lifting appliance is convenient to operate, and even if the operator lacks experience, it will not cause unstable lifting, improves the work efficiency of the staff, and because the inner support type manual lifting appliance has a simple structure and can be quickly installed or disassembled, the time required by the staff for adjusting the inner support type manual lifting appliance can be saved.

[0011] Further, the outer wall of the inner support cone sleeve is provided with a plurality of sliding grooves, and the middle part of the upper surface of the inner support cone sleeve is provided with a fixed through hole.

[0012] Through the above technical scheme, the pull rod can slide in the fixed through hole.

[0013] Further, the front end of the outer wall of the sliding sleeve is provided with a second fixed hole, the lower surface of the sliding sleeve is fixedly connected with a supporting leg, and the rear end of the outer wall of the sliding sleeve is provided with an engagement groove.

[0014] Through the above technical scheme, the sliding sleeve can move along the sliding groove through the engagement groove.

[0015] Further, the lower end of the outer wall of the connecting seat is provided with a plurality of first fixed holes, and the inside of the connecting seat is provided with a connecting through hole.

[0016] Through the above technical scheme, the connecting rod can be connected with the connecting seat through the first fixed hole.

[0017] Further, the pull rod passes through the connecting seat through the connecting through hole, and the pull rod slides in the fixed through hole.

[0018] Through the above technical scheme, the pull rod can move by sliding in the fixed through hole.

[0019] Further, the connecting rod is rotatably connected with the sliding sleeve through the second fixed hole, and the connecting rod is rotatably connected with the connecting seat through the first fixed hole.

[0020] Through the above technical scheme, the connecting rod can be connected with the sliding sleeve through the second fixed hole.

[0021] Further, the sliding sleeve slides inside the sliding groove through the engaging groove;

[0022] By the above technical solution, the workpiece can be clamped by the sliding sleeve sliding inside the sliding groove through the engaging groove.

[0023] The utility model has the advantages of the following:

[0024] 1. The utility model discloses an inner supporting type manual lifting appliance, which is connected through a connecting rod, a pull rod and an inner supporting taper sleeve. When the connecting rod is lifted upward, the inner supporting taper sleeve slides upward, so that the sliding sleeve moves obliquely upward. The sliding sleeve is in contact with the inner wall of the annular piece and is expanded tightly through the connecting rod. With the continuous pulling of the pull rod, the sliding sleeve is tightly attached to the inner wall of the product under the action of the horizontal component force, so that the product is lifted and transported, time and labor are saved, and the work efficiency of the staff is improved.

[0025] 2. The utility model discloses an inner supporting type manual lifting appliance, which is convenient to operate. Even if the operator lacks experience, the lifting will not be unstable, the work efficiency of the staff is improved, and the inner supporting type manual lifting appliance can be quickly installed or disassembled due to the simple structure, so that the time required for adjusting the inner supporting type manual lifting appliance by the staff is saved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The utility model discloses an inner supporting type manual lifting appliance.

[0027] Figure 2 The utility model discloses an inner supporting type manual lifting appliance.

[0028] Figure 3 The utility model discloses an inner supporting type manual lifting appliance.

[0029] Figure 4 The utility model discloses an inner supporting type manual lifting appliance.

[0030] Figure 5 The utility model discloses an inner supporting type manual lifting appliance.

[0031] Figure 6 The utility model discloses an inner supporting type manual lifting appliance.

[0032] Figure 7 The utility model discloses an inner supporting type manual lifting appliance.

[0033] Figure 8The utility model provides a kind of structure schematic diagram of connecting rod in inner support type manual lifting appliance.

[0034] Legend:

[0035] 1, lifting eye screw;2, connecting rod;3, handle;4, connecting seat;5, connecting rod;6, pull rod;7, sliding sleeve;8, ring piece;9, inner support cone sleeve;10, first hexagon nut;11, second hexagon nut;12, first grommet;13, supporting leg;14, limiting ring;15, connecting through-hole;16, first fixed hole;17, fixed through-hole;18, sliding slot;19, second fixed hole;20, meshing groove. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0037] One embodiment provided by the utility model:

[0038] Referring to Figure 1 , Figure 2 and Figure 3 , an inner support type manual lifting appliance includes lifting eye screw 1, the lower end of the outer wall of lifting eye screw 1 is provided with first hexagon nut 10, the lower surface of first hexagon nut 10 is fixedly connected with connecting rod 2, the inner wall of connecting rod 2 is provided with pull rod 6, the middle part of the outer wall of pull rod 6 is slidingly connected with connecting seat 4, the lower end of the outer wall of connecting seat 4 is rotatably connected with connecting rod 5, one end of connecting rod 5 away from connecting seat 4 is rotatably connected with sliding sleeve 7, the inner wall of sliding sleeve 7 is slidingly connected with inner support cone sleeve 9, the two sides of the outer wall of connecting seat 4 are clamped and matched with handle 3, the outer wall of sliding sleeve 7 is provided with ring piece 8;

[0039] Through connecting rod 2 and pull rod 6 and inner support cone sleeve 9 connection, when connecting rod 2 is lifted upward, inner support cone sleeve 9 slides upward, so that sliding sleeve 7 moves obliquely upward, sliding sleeve 7 and ring piece 8 inner wall contact and expand tightly through connecting rod 5, with the continuous pulling of pull rod 6, sliding sleeve 7 is tightly combined with product inner wall under the action of horizontal component force, so as to drive product to rise and transfer, save time and effort, and improve the work efficiency of staff.

[0040] Referring to Figure 1 and Figure 5The upper end of the outer wall of the pull rod 6 is provided with a second hexagon nut 11, the lower surface of the second hexagon nut 11 is fixedly connected with a first grommet 12, the lower end of the outer wall of the pull rod 6 is fixedly connected with a limiting ring 14, the inner supporting type hand-operated lifting appliance is convenient to operate, even if the operating personnel is insufficient in experience, the lifting is not unstable, the working efficiency of the staff is improved, and the inner supporting type hand-operated lifting appliance is simple in structure and can be quickly installed or disassembled, so that the time required by the staff for adjusting the inner supporting type hand-operated lifting appliance can be saved.

[0041] With reference to Figure 1 , Figure 6 and Figure 7 , the outer wall of the inner supporting taper sleeve 9 is provided with a plurality of sliding grooves 18, the middle part of the upper surface of the inner supporting taper sleeve 9 is provided with a fixed through hole 17, the pull rod 6 can slide in the fixed through hole 17, the front end of the outer wall of the sliding sleeve 7 is provided with a second fixed hole 19, the lower surface of the sliding sleeve 7 is fixedly connected with a supporting leg 13, the rear end of the outer wall of the sliding sleeve 7 is provided with an engaging groove 20, and the sliding sleeve 7 can move along the sliding groove 18 through the engaging groove 20.

[0042] With reference to Figure 1 and Figure 4 , the lower end of the outer wall of the connecting seat 4 is provided with a plurality of first fixed holes 16, the inner part of the connecting seat 4 is provided with a connecting through hole 15, the connecting rod 5 can be connected with the connecting seat 4 through the first fixed hole 16, the pull rod 6 penetrates the connecting seat 4 through the connecting through hole 15, and the pull rod 6 slides in the fixed through hole 17, so that the pull rod 6 can move through the sliding of the pull rod 6 in the fixed through hole 17.

[0043] With reference to Figure 1 and Figure 8 , the connecting rod 5 is rotationally connected with the sliding sleeve 7 through the second fixed hole 19, the connecting rod 5 is rotationally connected with the connecting seat 4 through the first fixed hole 16, the connecting rod 5 can be connected with the sliding sleeve 7 through the second fixed hole 19, the sliding sleeve 7 slides in the sliding groove 18 through the engaging groove 20, and the sliding sleeve 7 can clamp the workpiece through the sliding in the sliding groove 18 through the engaging groove 20.

[0044] Working principle: the lifting ring screw 1 can be connected with a hoisting device through a steel wire rope, the hand-held handle 3 is manually held, and the sliding sleeve 7 is placed into the annular piece 8. The hoisting device pulls the lifting ring screw 1 upward through the steel wire rope, the connecting rod 2 is connected with the pull rod 6, the pull rod 6 is connected with the inner supporting taper sleeve 9 through the fixed through hole 17, when the connecting rod 2 is lifted upward, the inner supporting taper sleeve 9 slides upward, so that the sliding sleeve 7 moves upward and obliquely through the cooperation of the engaging groove 20 and the sliding groove 18, the three connecting rods 5 are connected with the connecting seat 4 through the first fixed hole 16, and the three sliding sleeves 7 move synchronously, the sliding sleeve 7 contacts and expands tightly with the inner wall of the annular piece 8, along with the continuous pulling of the pull rod 6, the sliding sleeve 7 is closely attached to the inner wall of the product under the action of the horizontal component force, so as to drive the product to rise and transfer.

[0045] It should be pointed out finally that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the present application is described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. An inside spreader hand sling comprising a sling ring screw (1), characterized in that: The lower end of the outer wall of the lifting ring screw (1) is provided with a first hexagon nut (10), the lower surface of the first hexagon nut (10) is fixedly connected with a connecting rod (2), the inner wall of the connecting rod (2) is provided with a pull rod (6), the outer wall of the pull rod (6) is slidably connected with a connecting seat (4), the lower end of the outer wall of the connecting seat (4) is rotatably connected with a connecting rod (5), the end of the connecting rod (5) away from the connecting seat (4) is rotatably connected with a sliding sleeve (7), the inner wall of the sliding sleeve (7) is slidably connected with an inner supporting cone sleeve (9), the outer wall of the connecting seat (4) is clamped and matched with a handle (3) on both sides, and the outer wall of the sliding sleeve (7) is provided with a ring-shaped part (8).

2. An inside spreader hand spilt as claimed in claim 1, wherein: The upper end of the outer wall of the pull rod (6) is provided with a second hexagon nut (11), the lower surface of the second hexagon nut (11) is fixedly connected with a first grommet (12), and the lower end of the outer wall of the pull rod (6) is fixedly connected with a limiting ring (14).

3. An inside spreader hand spilt as claimed in claim 1, wherein: The outer wall of the inner supporting cone sleeve (9) is provided with a plurality of sliding grooves (18), and the upper surface of the inner supporting cone sleeve (9) is provided with a fixed through hole (17).

4. An inside spreader hand spilt as claimed in claim 1, wherein: The front end of the outer wall of the sliding sleeve (7) on both sides is provided with a second fixed hole (19), the lower surface of the sliding sleeve (7) is fixedly connected with a supporting leg (13), and the rear end of the outer wall of the sliding sleeve (7) on both sides is provided with an engagement groove (20).

5. An inside spreader hand spilt as claimed in claim 1, wherein: The lower end of the outer wall of the connecting seat (4) is provided with a plurality of first fixed holes (16), and the inner part of the connecting seat (4) is provided with a connecting through hole (15).

6. An inside spreader hand spilt as claimed in claim 5, wherein: The pull rod (6) penetrates the connecting seat (4) through the connecting through hole (15), and the pull rod (6) slides in the fixed through hole (17).

7. An inside spreader hand spilt as claimed in claim 1, wherein: The connecting rod (5) is rotatably connected with the sliding sleeve (7) through the second fixed hole (19), and the connecting rod (5) is rotatably connected with the connecting seat (4) through the first fixed hole (16).

8. An inside spreader hand spilt as claimed in claim 1, wherein: The sliding sleeve (7) slides in the sliding groove (18) through the engagement groove (20).