A folding ear

Abstract

The utility model discloses a folding type lifting lug relates to lifting lug technical field, including fixed seat and lifting lug body, the fixed seat is connected with the equipment body, the fixed seat is opened square groove, the lifting lug body is through square groove with fixed seat swing joint, the one end of lifting lug body is equipped with the anti -drop branch ear of fixed seat, restricts lifting the lifting lug body and separates from fixed seat, and the both sides of lifting lug body are equipped with the expansion ear clamp, and the lifting lug body is opened lifting hook hole. The device hides into equipment surface lifting lug body, realizes the quick switching of folding storage and vertical bearing through turning over, and the anti -drop branch ear is automatic pressure -bearing and is prevented to pull off when lifting lug is vertical, and the expansion elastic ear clamp is locked horizontally with manual cooperation, forms double insurance, and the folding state does not protrude equipment contour, and after unfolding, can directly bear the weight without disassembling parts, and the safety hidden danger and the storage problem of exposed lifting lug are solved completely.

Description

Technical Field

[0001] This utility model relates to the field of lifting lug technology, and more specifically, to a folding lifting lug. Background Technology

[0002] Traditional equipment lifting lugs generally use an exposed fixing structure, with their metal protrusions constantly exposed on the equipment surface. This not only damages the overall appearance but also increases the risk of collisions during handling. Especially for precision instruments or small to medium-sized equipment that requires frequent movement, these rigid lifting lugs occupy external space and may interfere with the normal functional layout of the equipment, resulting in significant safety and space utilization defects.

[0003] To address the aforementioned issues, some equipment employs a detachable lifting lug design. However, detachable solutions require additional storage of the lifting lug components, and during operation, they face the risks of cumbersome installation, thread wear, and parts loss. Furthermore, they exhibit slow response times in emergency lifting scenarios. Existing technologies consistently struggle to simultaneously meet the three core requirements of structural concealment, ease of use, and permanent assembly reliability. Therefore, to address these technical challenges, a foldable lifting lug is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a foldable lifting lug that conceals the lug body within the surface of the equipment. By flipping it over, it can quickly switch between folded storage and vertical load-bearing. When the lug is upright, the anti-detachment support automatically bears pressure and prevents detachment. Combined with the manually expandable elastic clip, it locks horizontally, forming a double insurance. In the folded state, it does not protrude from the equipment outline. When unfolded, it can directly bear weight without disassembling parts, completely solving the safety hazards and storage problems of exposed lifting lugs.

[0005] This utility model is achieved through the following technical solution:

[0006] A folding lifting lug includes a fixed base and a lifting lug body. The fixed base is connected to the equipment body. A square groove is provided on the fixed base. The lifting lug body is movably connected to the fixed base through the square groove. An anti-detachment support lug is provided at one end of the lifting lug body near the fixed base to prevent the lifting lug body from detaching from the fixed base during hoisting. Expansion latches are provided on both sides of the lifting lug body. A hook hole is provided on the lifting lug body.

[0007] Preferably, the fixing seat is a steel plate stamping structure, the base surface of the fixing seat is provided with bolt mounting holes, the square groove is located in the middle of the fixing seat and extends through its thickness direction, and the cross-sectional shape of the lifting lug body is in clearance fit with the square groove.

[0008] Preferably, the lifting lug body can be rotated around the axis of the square groove. In the working state, the lifting lug body is perpendicular to the plane of the fixed base, and in the folded state, the lifting lug body is attached to the surface of the fixed base in parallel.

[0009] Preferably, the anti-detachment supports are symmetrically arranged on the edge of the contact end between the lifting lug body and the square groove, the thickness of the anti-detachment supports is greater than the width of the square groove, and the lower end face of the anti-detachment supports forms a pressure-bearing contact surface with the inner wall of the fixing seat.

[0010] Preferably, the expansion clip is an elastic metal sheet, and the expansion clips are symmetrically distributed on both sides of the lifting lug body. After passing through the square groove, the expansion clip expands outward to both sides, and the outwardly expanded end of the expansion clip forms a snap-fit ​​engagement with the back of the fixing seat.

[0011] Preferably, the hook hole is located at the end of the lifting lug body away from the fixed seat, the axis of the hook hole is perpendicular to the flipping plane of the lifting lug body, and an annular reinforcing flange is provided around the hook hole.

[0012] The technical solution of this utility model has at least the following beneficial effects:

[0013] This utility model proposes a foldable lifting lug that achieves a high degree of unity between the equipment's appearance and lifting function. The lifting lug body can be completely folded and stored flush with the equipment surface, completely eliminating the damage to the equipment's aesthetics caused by traditional exposed lifting lugs. It also avoids the risk of bumps and knocks during transportation and use. Its unique flipping structure makes lifting operations simple and quick. Simply stand the lifting lug upright and lock it in place for immediate use, without any disassembly or assembly steps, greatly improving work efficiency. The double locking design ensures absolute safety during the lifting process. The anti-detachment support lug and the expansion locking lug work together to effectively prevent the lifting lug from accidentally loosening under stress. It not only solves the problem of traditional lifting lugs affecting the equipment's appearance but also overcomes the defects of detachable lifting lugs being easy to lose and cumbersome to install. It truly realizes a readily available, safe, and reliable lifting solution, which is particularly suitable for application scenarios with high requirements for space utilization and aesthetics. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the second overall structure of the present invention;

[0016] Figure 3 This is an exploded view of the structure of this utility model;

[0017] Reference numerals: 1. Fixing base; 2. Square groove; 3. Bolt mounting hole; 4. Lifting lug body; 5. Anti-detachment support lug; 6. Expansion clip; 7. Lifting hook hole. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figures 1-3 The present invention proposes a folding lifting lug, including a fixed base 1 and a lifting lug body 4. The fixed base 1 is connected to the equipment body. A square groove 2 is opened on the fixed base 1. The lifting lug body 4 is movably connected to the fixed base 1 through the square groove 2. An anti-detachment support lug 5 is provided at one end of the lifting lug body 4 near the fixed base 1 to prevent the lifting lug body 4 from detaching from the fixed base 1 during hoisting. Expansion catches 6 are provided on both sides of the lifting lug body 4. A hook hole 7 is opened on the lifting lug body 4.

[0020] The fixing seat 1 is a steel plate stamping structure. The base surface of the fixing seat 1 has bolt mounting holes 3. The square groove 2 is located in the middle of the fixing seat 1 and runs through its thickness direction. The cross-sectional shape of the lifting lug body 4 is in clearance fit with the square groove 2.

[0021] The lifting lug body 4 can rotate around the axis of the square groove 2. In the working state, the lifting lug body 4 is perpendicular to the plane of the fixed base 1. In the folded state, the lifting lug body 4 is attached to the surface of the fixed base 1 in parallel.

[0022] Anti-detachment supports 5 are symmetrically arranged at the edge of the contact end between the lifting lug body 4 and the square groove 2. The thickness of the anti-detachment supports 5 is greater than the width of the square groove 2. The lower end face of the anti-detachment supports 5 forms a pressure-bearing contact surface with the inner wall of the fixing seat 1.

[0023] The expansion catch 6 is an elastic metal sheet, and the expansion catch 6 is symmetrically distributed on both sides of the lifting lug body 4. After passing through the square groove 2, the expansion catch 6 expands outward to both sides, and the outward expansion end of the expansion catch 6 forms a snap-fit ​​with the back of the fixing seat 1.

[0024] The hook hole 7 is located at the end of the lifting lug body 4 away from the fixed base 1. The axis of the hook hole 7 is perpendicular to the flipping plane of the lifting lug body 4. The hook hole 7 is surrounded by an annular reinforcing flange.

[0025] The working principle of a folding lifting lug based on the embodiment is as follows: the fixed base 1 is fixed to the surface of the equipment body by welding or bolts, and the square groove 2 through which it is set provides a rotation channel for the lifting lug body 4. In the non-working state, the lifting lug body 4 is completely folded and attached to the surface of the fixed base 1 by flipping. At this time, the appearance of the equipment remains flat. When hoisting is required, the operator flips the lifting lug body 4 vertically to the working position. At this time, the anti-detachment support lug 5 is stuck under the inner wall of the fixed base 1 because its thickness is greater than the width of the square groove 2, forming a vertical pressure-bearing stop surface to prevent the lifting lug from being pulled out during hoisting.

[0026] The synchronously activated expansion latch 6 acts as a key self-locking element. When the lifting lug body 4 is erected, the operator uses a tool to expand the elastic metal plates on both sides passing through the square groove 2 outwards, so that their ends press tightly against the back of the fixed seat 1 to form a horizontal mechanical lock. This double-safety mechanism ensures that the lifting lug has no risk of loosening when bearing load. The lifting force is ultimately transmitted to the reinforced lifting lug body 4 through the hook hole 7, and then distributed to the fixed seat 1 and the equipment body through the contact surface of the square groove 2. After the operation is completed, the expansion latch 6 is retracted in the opposite direction to release the lock, and the lifting lug can be laid flat and folded back to its hidden state. The entire process does not require disassembly of parts, achieving a balance between safety and space efficiency.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A folding lug, comprising a fixing base (1) and a lug body (4), characterized in that, The fixed base (1) is connected to the equipment body. A square groove (2) is opened on the fixed base (1). The lifting lug body (4) is movably connected to the fixed base (1) through the square groove (2). The lifting lug body (4) is provided with an anti-detachment support lug (5) at one end near the fixed base (1) to prevent the lifting lug body (4) from detaching from the fixed base (1) during hoisting. The lifting lug body (4) is provided with expansion catches (6) on both sides. The lifting lug body (4) is provided with a hook hole (7).

2. The folding lifting lug according to claim 1, characterized in that: The fixed seat (1) is a steel plate stamping structure. The base surface of the fixed seat (1) is provided with bolt mounting holes (3). The square groove (2) is located in the middle of the fixed seat (1) and extends through its thickness direction. The cross-sectional shape of the lifting lug body (4) is in clearance fit with the square groove (2).

3. The folding lifting lug according to claim 2, characterized in that: The lifting lug body (4) can be rotated around the axis of the square groove (2). In the working state, the lifting lug body (4) is perpendicular to the plane of the fixed seat (1). In the folded state, the lifting lug body (4) is attached to the surface of the fixed seat (1) in parallel.

4. The folding lifting lug according to claim 3, characterized in that: The anti-detachment support (5) is symmetrically arranged on the edge of the contact end between the lifting lug body (4) and the square groove (2). The thickness of the anti-detachment support (5) is greater than the width of the square groove (2). The lower end face of the anti-detachment support (5) forms a pressure-bearing contact surface with the inner wall of the fixing seat (1).

5. The folding lifting lug according to claim 4, characterized in that: The expansion clip (6) is an elastic metal sheet, and the expansion clip (6) is symmetrically distributed on both sides of the lifting lug body (4). The expansion clip (6) passes through the square groove (2) and expands outward to both sides. The outward expansion end of the expansion clip (6) forms a snap-fit ​​with the back of the fixing seat (1).

6. The folding lifting lug according to claim 5, characterized in that: The hook hole (7) is located at the end of the lug body (4) away from the fixed seat (1). The axial direction of the hook hole (7) is perpendicular to the flipping plane of the lug body (4). The hook hole (7) is provided with an annular reinforcing flange around its periphery.

Images