Lifting device capable of achieving rapid self-locking

Abstract

The utility model relates to a hoisting device capable of quickly self-locking, which comprises a fixed female buckle, a hoisting ring and a self-locking buckle, one end of the self-locking buckle is connected with the fixed female buckle, and the other end of the self-locking buckle is connected with the hoisting ring; a left clamping table and a right clamping table are arranged in the fixing female buckle, and a locking groove is formed in the middle of the top face of the left clamping table. The right clamping table and the left clamping table are the same in structure and are symmetrically arranged; an upper through area and a lower through area are formed between the left clamping table and the right clamping table, the two through areas are symmetrically arranged above and below the hoisting hole, and symmetrical locking grooves are formed in the left side and the right side of the hoisting hole; the self-locking buckle comprises a self-locking cylinder, and the self-locking cylinder is arranged in the hoisting hole in a penetrating manner; the bottom of the self-locking cylinder is connected with a lifting ring through a lifting ring connecting hole; locking blocks are symmetrically arranged on the two sides of the connecting sleeve on the upper portion of the self-locking column body, the locking blocks can be clamped on the locking grooves, and the locking blocks can pass through the through area. The lifting tool is simple in structure and light in overall weight, the lifting tool can be taken out by unlocking by rotating the self-locking buckle, and the safety and the working efficiency of lifting operation can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting tools, in particular to a hoisting device capable of rapid self-locking. Background Art

[0002] Hoisting is a special type of work in the machinery manufacturing industry. With the rapid development of the machinery manufacturing industry, companies have increasingly higher requirements for hoisting efficiency and hoisting safety. There are many types of hoisting equipment in the existing technology, such as hoisting equipment composed of lifting equipment, slings and hooks. In some industries that require frequent hoisting and a large workload, such as material twisting and intelligent driving, light and simple hoisting tools are needed. The hoisting rhythm must adapt to the fast-paced production, and the hoisting equipment must be reliable. However, most existing hoisting tools are relatively bulky and cumbersome. Therefore, a hoisting device is needed that can achieve rapid self-locking and ensure its stability. Summary of the Invention

[0003] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide a lifting device with rapid self-locking function, which is convenient for rapid lifting, fixed-point lifting of special equipment and rapid self-locking.

[0004] The purpose of this utility model is achieved in this way:

[0005] A lifting device capable of rapid self-locking comprises a fixed female buckle, a lifting ring and a self-locking buckle, wherein one end of the self-locking buckle is connected to the fixed female buckle and the other end is connected to the lifting ring;

[0006] The fixed female buckle includes an outer shell, which is a hollow cylindrical shell with an open top surface and a lifting hole provided at the center of the bottom surface. The outer shell is provided with a left clamping platform and a right clamping platform, which are respectively arranged on the left and right sides of the lifting hole;

[0007] The surface of the left card platform is arched, and the arc edge of the left card platform is in contact with the inner wall of the outer shell; a locking groove is provided in the middle of the top surface of the left card platform; the structure of the right card platform is the same as that of the left card platform, and the two are arranged symmetrically with the lifting hole as the center;

[0008] The maximum width of the left clamping platform is smaller than the radius of the inner circle of the outer shell, thereby forming two upper and lower through-areas between the left and right clamping platforms, and the through-areas penetrate the bottom surface of the outer shell; the two through-areas are symmetrically arranged above and below the lifting hole, and the left and right sides of the lifting hole are symmetrical locking grooves;

[0009] The self-locking buckle includes a self-locking cylinder, the diameter of which matches the hoisting hole, and the self-locking cylinder is inserted into the hoisting hole; a lifting ring connecting hole is provided at the bottom of the self-locking cylinder for connecting the lifting ring; a connecting sleeve is provided on the upper part of the self-locking cylinder, and locking blocks are symmetrically provided on both sides of the connecting sleeve;

[0010] The width of the locking block is smaller than the width of the locking groove and the through-area, and the length of the locking block is smaller than the length of the locking groove and the through-area, which facilitates the engagement of the locking block on the locking groove and the passage of the locking block in the through-area.

[0011] Furthermore, the bottom surface of the left card platform is flush with the bottom surface of the outer shell, and the height of the left card platform is less than the height of the outer shell.

[0012] Furthermore, one side of the locking groove reaches the inner wall of the outer shell, and the other side reaches the edge of the lifting hole.

[0013] Furthermore, the locking block is a semi-cylinder, with its arc surface facing the top of the self-locking cylinder and its rectangular surface facing the bottom of the self-locking cylinder.

[0014] Furthermore, the lock cylinder body is provided with a spring, which is arranged between the fixed female buckle and the hanging ring.

[0015] Furthermore, a gasket is provided on the upper and lower parts of the spring respectively, the upper gasket sleeve is arranged below the connecting sleeve, and the lower gasket sleeve is arranged above the connecting hole of the lifting ring.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model provides a lifting device which can self-lock quickly, has a simple structure and is light overall. The lifting tool can be unlocked and taken out by rotating the self-locking buckle at a certain angle. The operation is very convenient and quick, which can effectively improve the safety and work efficiency of the lifting operation. On the one hand, it realizes the self-locking function during lifting, and on the other hand, it increases the locking force during the locking process to prevent loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] Figure 2 This is a structural schematic diagram of the utility model from another angle.

[0020] Figure 3 It is a cross-sectional schematic diagram of the present utility model.

[0021] Figure 4 It is a structural schematic diagram of the fixed female buckle of the utility model.

[0022] Figure 5 It is a structural schematic diagram of the self-locking buckle of the present utility model.

[0023] Figure 6 This is a schematic diagram of the assembly of the self-locking buckle and the lifting ring of the utility model.

[0024] in:

[0025] Fixed female buckle 1, outer shell 1.1, lifting hole 1.2, left clamping platform 1.3, right clamping platform 1.4, locking groove 1.5, through area 1.6, lifting ring 2, self-locking buckle 3, self-locking cylinder 3.1, lifting ring connecting hole 3.2, connecting sleeve 3.3, locking block 3.4, spring 4, gasket 5. DETAILED DESCRIPTION

[0026] To better understand the technical solution of the present invention, the following detailed description is provided with reference to the relevant illustrations. It should be understood that the following specific embodiments are not intended to limit the specific implementation of the technical solution of the present invention; they are merely examples of possible implementations of the technical solution of the present invention. It should be noted that the description herein of the positional relationships of the various components, such as component A being located above component B, is based on the relative positions of the components in the illustrations and is not intended to limit the actual positional relationships of the components. Example 1

[0027] See also Figures 1-6 , Figure 1 A schematic diagram of the structure of the present invention is provided. As shown in the figure, the present invention relates to a quick self-locking lifting device comprising a fixed female buckle 1, a lifting ring 2, and a self-locking buckle 3. One end of the self-locking buckle 3 is connected to the fixed female buckle 1, and the other end is connected to the lifting ring 2.

[0028] The fixed female buckle 1 includes an outer shell 1.1, which is a hollow cylindrical shell. The top surface of the outer shell 1.1 is open, and a lifting hole 1.2 is provided in the center of the bottom surface. A left clamping platform 1.3 and a right clamping platform 1.4 are provided in the outer shell 1.1. The left clamping platform 1.3 and the right clamping platform 1.4 are respectively arranged on the left and right sides of the lifting hole 1.2.

[0029] The surface of the left card platform 1.3 is arched, that is, when a circle is cut with a chord smaller than the diameter, the part that is cut off is the small cut circle; the bottom surface of the left card platform 1.3 is flush with the bottom surface of the outer shell 1.1, the height of the left card platform 1.3 is less than the height of the outer shell 1.1, and the arc edge of the left card platform 1.3 fits the inner wall of the outer shell 1.1; a locking groove 1.5 is provided in the middle of the top surface of the left card platform 1.3, one side of the locking groove 1.5 reaches the inner wall of the outer shell 1.1, and the other side reaches the edge of the lifting hole 1.2.

[0030] The structure of the right clamping platform 1.4 is the same as that of the left clamping platform 1.3, and the two are arranged symmetrically with the lifting hole 1.2 as the center.

[0031] The maximum width of the left clamping platform 1.3 is smaller than the radius of the inner circle of the outer shell 1.1, thereby forming two upper and lower through-areas 1.6 between the left clamping platform 1.3 and the right clamping platform 1.4, and the through-areas 1.6 pass through the bottom surface of the outer shell 1.1; the two through-areas 1.6 are symmetrically arranged above and below the lifting hole 1.2, and the left and right sides of the lifting hole 1.2 are symmetrical locking grooves 1.5.

[0032] The self-locking buckle 3 includes a self-locking cylinder 3.1, the diameter of which matches the lifting hole 1.2, and the self-locking cylinder 3.1 is inserted into the lifting hole 1.2; a lifting ring connecting hole 3.2 is provided at the bottom of the self-locking cylinder 3.1 for connecting the lifting ring 2; a connecting sleeve 3.3 is provided on the upper part of the self-locking cylinder 3.1, and locking blocks 3.4 are symmetrically provided on both sides of the connecting sleeve 3.3. The locking blocks 3.4 are semi-cylinders, with their arc surfaces facing the top of the self-locking cylinder 3.1 and their rectangular surfaces facing the bottom of the self-locking cylinder 3.1;

[0033] The width of the locking block 3.4 is smaller than the width of the locking groove 1.5 and the through area 1.6, and the length of the locking block 3.4 is smaller than the length of the locking groove 1.5 and the through area 1.6, which facilitates the engagement of the locking block 3.4 on the locking groove 1.5 and the passage of the locking block 3.4 in the through area 1.6.

[0034] The lock cylinder body 3.1 is provided with a spring 4. A gasket 5 is provided above and below the spring 4. The upper gasket 5 is sleeved below the connecting sleeve 3.3, and the lower gasket 5 is sleeved above the lifting ring connecting hole 3.2.

[0035] Working principle:

[0036] The utility model provides a lifting device that can self-lock quickly. When lifting is required, the self-locking buckle 3 is lifted up and rotated, so that the self-locking buckle 3 is rotated in the fixed female buckle 1 until the locking block 3.4 is engaged in the locking groove 1.5, and then the self-locking buckle 3 is lowered to achieve rapid locking of the self-locking buckle 3, and the lifting can be started through the lifting ring; when unlocking is required, the self-locking buckle 3 is lifted up and rotated, so that the self-locking buckle 3 is rotated in the fixed female buckle 1 until the locking block 3.4 reaches the through-area 1.6, so that the locking block 3.4 passes through the through-area 1.6, and the self-locking buckle 3 is released.

[0037] The above are only specific application examples of the present invention and do not constitute any limitation on the scope of protection of the present invention. Any technical solution formed by equivalent transformation or equivalent replacement shall fall within the scope of protection of the present invention.

Claims

1. A lifting device capable of rapid self-locking, characterized in that: It comprises a fixed female buckle (1), a lifting ring (2) and a self-locking buckle (3), wherein one end of the self-locking buckle (3) is connected to the fixed female buckle (1) and the other end is connected to the lifting ring (2); The fixed female buckle (1) comprises an outer shell (1.1), the outer shell (1.1) is a hollow cylindrical shell, the top surface of the outer shell (1.1) is open, and a hanging hole (1.2) is provided at the center of the bottom surface; a left clamping platform (1.3) and a right clamping platform (1.4) are provided in the outer shell (1.1), and the left clamping platform (1.3) and the right clamping platform (1.4) are respectively arranged on the left and right sides of the hanging hole (1.2); The surface of the left card platform (1.3) is arched, and the arc edge of the left card platform (1.3) is in contact with the inner wall of the outer shell (1.1); a locking groove (1.5) is provided in the middle of the top surface of the left card platform (1.3); the structure of the right card platform (1.4) is the same as that of the left card platform (1.3), and the two are arranged symmetrically with the lifting hole (1.2) as the center; The maximum width of the left clamping platform (1.3) is smaller than the radius of the inner circle of the outer shell (1.1), thereby forming two upper and lower through-holes (1.6) between the left clamping platform (1.3) and the right clamping platform (1.4), and the through-holes (1.6) penetrate the bottom surface of the outer shell (1.1); the two through-holes (1.6) are symmetrically arranged above and below the lifting hole (1.2), and the left and right sides of the lifting hole (1.2) are symmetrical locking grooves (1.5); The self-locking buckle (3) comprises a self-locking column (3.1), the diameter of the self-locking column (3.1) matches the hoisting hole (1.2), and the self-locking column (3.1) is inserted into the hoisting hole (1.2); a lifting ring connecting hole (3.2) is provided at the bottom of the self-locking column (3.1) for connecting to the lifting ring (2); a connecting sleeve (3.3) is provided on the upper part of the self-locking column (3.1), and locking blocks (3.4) are symmetrically provided on both sides of the connecting sleeve (3.3); The width of the locking block (3.4) is smaller than the width of the locking groove (1.5) and the through-area (1.6), and the length of the locking block (3.4) is smaller than the length of the locking groove (1.5) and the through-area (1.6), thereby facilitating the engagement of the locking block (3.4) with the locking groove (1.5) and facilitating the passage of the locking block (3.4) through the through-area (1.6).

2. A quick self-locking lifting device according to claim 1, characterized in that: The bottom surface of the left card platform (1.3) is flush with the bottom surface of the outer shell (1.1), and the height of the left card platform (1.3) is less than the height of the outer shell (1.1).

3. The quick self-locking lifting device according to claim 1, characterized in that: One side of the locking groove (1.5) reaches the inner wall of the outer shell (1.1), and the other side reaches the edge of the lifting hole (1.2).

4. The quick self-locking lifting device according to claim 1, characterized in that: The locking block (3.4) is a semi-cylinder, with its arc surface facing the top of the self-locking cylinder (3.1) and its rectangular surface facing the bottom of the self-locking cylinder (3.1).

5. The quick self-locking lifting device according to claim 1, characterized in that: The lock cylinder (3.1) also has a spring (4), and the spring (4) is arranged between the fixed female buckle (1) and the hanging ring (2).

6. The quick self-locking lifting device according to claim 5, characterized in that: A gasket (5) is provided on the upper and lower parts of the spring (4), respectively. The upper gasket (5) is sleeved below the connecting sleeve (3.3), and the lower gasket (5) is sleeved above the lifting ring connecting hole (3.2).

Images