An airbag-based movable splint

Abstract

The present invention discloses an airbag-based movable splint, which relates to the technical field of fragile item transportation. It includes a base and a clamping mechanism. The clamping mechanisms are symmetrically and fixedly installed in the inner cavity of the base respectively, and include an airbag, a return spring and a swing assembly. One side of the airbag is fixedly installed on the side wall of the inner cavity of the base, and the other side is fixedly connected with the swing assembly. One side of the base block in the swing assembly is fixedly connected with the airbag, and the other side is matched and docked with a swing block through a swing strut. A pressing block is also fixedly installed on the right side surface of the swing block. The clamping and fixing of fragile items are realized by controlling the inflation and contraction of the airbag. The structure of the present invention is simple, and it can realize the transportation of fragile objects without causing any damage to the objects, thereby further improving the transportation efficiency of fragile objects and reducing the labor intensity.

Description

Technical Field

[0001] The present invention belongs to the technical field of fragile item transportation, and particularly relates to a movable splint based on an airbag. Background Art

[0002] When transporting objects with easily damaged surfaces, especially objects with low density requirements that only emphasize appearance dimensions, such as some special brick shapes, since the surface strength of objects with low density is low, they are extremely prone to damage during transportation. Currently, most use transfer grippers to increase the contact area with the object to prevent damage during transportation.

[0003] Currently, most use manual handling or ordinary airbag grippers to achieve the transportation of objects with easily broken surfaces. However, manual handling has a high labor intensity and low efficiency; while ordinary airbag grippers mostly directly install splints on the airbag. When the airbag is controlled to expand, it can push the splint to clamp the object. But in this way, it is not possible to more appropriately control the degree of inflation of the airbag. If the inflation is too large, it is easy for the splint to scrape the surface of the fragile item and cause damage. On the contrary, if the inflation degree of the airbag is insufficient, it will result in too small a clamping force of the splint on the object, causing it to fall during transportation and thus damaging the object, with a narrow adaptability. Summary of the Invention

[0004] Aiming at the defects and problems existing in the current transportation of objects with easily broken surfaces, such as high labor intensity and low efficiency in manual handling, small contact area of ordinary airbag grippers that is prone to damage the object surface, and narrow adaptability, the present invention provides a movable splint based on an airbag.

[0005] The solution adopted by the present invention to solve its technical problems is: a movable splint based on an airbag, including a base and a clamping mechanism. The clamping mechanisms are respectively symmetrically and fixedly installed in the inner cavity of the base. The clamping mechanism includes an airbag, a return spring, and a swing assembly. One side of the airbag is fixedly installed on the side wall of the inner cavity of the base, and the other side is fixedly connected to the swing assembly. The swing assembly includes a base block, a swing block, a swing strut, and a pressing plate. One side of the base block is fixedly connected to the airbag, and the other side is matched and docked with the swing block through the swing strut. A pressing block is also fixedly installed on the right side surface of the swing block. In the natural state, after the airbag expands, it can drive the swing assembly to move, and when the airbag deflates and contracts, it can drive the swing assembly to move and reset in the opposite direction. The return springs are respectively symmetrically installed on both sides of the airbag.

[0006] As a preferred technical solution of the present invention, a hand-held cavity is fixedly installed in the middle of the inner cavity of the base. The inner parts of the base on both sides of the hand-held cavity respectively form two side chambers, and clamping mechanisms are respectively symmetrically installed in the two chambers.

[0007] As a preferred technical solution of the present invention, air inlet holes and exhaust holes are respectively provided at the top of the airbag to control the inflation and contraction of the airbag.

[0008] As a preferred technical solution of the present invention, one side of the base block close to the swing block is an inclined surface, and one side of the swing block close to the base block is a matching inclined surface. Lower pin shafts are respectively fixed at the bottoms of both side surfaces of the base block, and upper pin shafts are respectively fixed above both side surfaces of the swing block. Both ends of the swing strut are respectively rotatably connected to the upper pin shaft and the lower pin shaft.

[0009] As a preferred technical solution of the present invention, torsion springs are respectively installed on the upper pin shaft and the lower pin shaft to help restore the initial states of the base block and the swing block.

[0010] As a preferred technical solution of the present invention, a diving groove is provided on the inclined surface of the base block, and a matching upper shallow groove is provided on the inclined surface of the swing block. A second airbag is fixedly installed in the diving groove 1 and the upper shallow groove. A plurality of permanent magnets are evenly provided on the upper and lower inclined surfaces of the diving groove of the base block to realize magnetic attraction with the swing block.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: Through the cooperation of the airbag and the return spring, the present invention can utilize the characteristics of the return spring itself to quickly help the airbag to reset without additional control equipment, with simple operation and improved work efficiency; By installing a swing assembly on the airbag, through the rotational cooperation between the swing strut and the swing block, and using the self-gravity of the fragile object and the friction with the pressing plate, during the transfer of the object, the extrusion force of the pressing plate on the fragile object is enhanced on the premise of avoiding damage to the fragile object, enabling the pressing plate to tightly clamp the fragile object. Finally, under the action of the torsion spring, the entire movable clamping plate returns to its initial state. The overall structure is relatively simple, ensuring that it can not damage the fragile object, realize the transfer of the fragile object, and at the same time can further improve the transfer efficiency of the fragile object and reduce the labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0013] Figure 2 is a cross-sectional structural schematic diagram of the present invention;

[0014] Figure 3 is a cross-sectional structural schematic diagram of Embodiment 2 of the present invention.

[0015] In the figure: base 1, pressing plate 2, return spring 3, air inlet hole 4, exhaust hole 5, hand-held cavity 6, airbag 7, base block 8, swing block 9, swing strut 10, upper pin shaft 11, lower pin shaft 12, diving groove 13, upper diving groove 14, permanent magnet 15, second airbag 16. Embodiment

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] Please refer to Figures 1-3 , the present invention provides a movable splint based on an airbag, which can meet the requirements of not damaging the surface of an object during transportation, and can further improve the transportation efficiency, reduce the labor intensity, and has strong practicability.

[0018] Embodiment 1: This embodiment provides a movable splint based on an airbag, including a base 1 and a clamping mechanism. The base 1 is a cuboid structure with an open top. A hand-held cavity 6 is fixedly installed in the middle of the inner cavity of the base 1. The hand-held cavity 6 extends upward out of the base 1. Two chambers are respectively formed in the base on both sides of the hand-held cavity 6, and clamping mechanisms are symmetrically installed in the two chambers respectively; the clamping mechanism includes an airbag 7, a return spring 3 and a swing assembly. One side of the airbag 7 is fixed to the inner side wall of the base, and the other side is fixedly connected to the swing assembly. An air inlet hole 4 and an air outlet hole 5 are provided at the top of the airbag 7. Return springs 3 are symmetrically installed on both sides of the airbag in the base. By inflating the airbag through the air inlet hole 4, the airbag expands, so that the return spring is stretched. When the air is sucked out of the airbag through the air outlet hole, the airbag loosens and returns to its initial state under the action of the return spring.

[0019] See Figure 2 , the other side of the airbag is fixedly connected with a swing assembly. The swing assembly includes a base block 8, a swing block 9, a swing strut 10 and a pressing plate 2. One side of the base block 8 is fixedly connected to the airbag, and the other side is rotatably connected to the swing block 9 through the swing strut 10. And the side of the base block 8 close to the swing block is an inclined surface, and the side of the swing block 9 close to the base block is a matching inclined surface. Lower pin shafts 12 are respectively fixed to the bottom of both sides of the base block 8. Similarly, upper pin shafts 11 are respectively fixed to the upper parts of both sides of the swing block 9. Both ends of the swing strut 10 are rotatably connected to the upper pin shaft and the lower pin shaft respectively. In addition, torsion springs are installed on the upper pin shaft and the lower pin shaft respectively to help restore the initial state of the base block and the swing block; with such a setting, when the pressing plate clamps a fragile item, a frictional force will be generated between the pressing plate and the item. At the same time, due to the gravity of the item itself, it can drive the pressing plate to move downward. During the downward movement of the pressing plate, it can drive the swing block to move downward, so that the swing strut rotates downward along the lower pin shaft. In this way, with the mutual cooperation of the swing assembly, on the premise of ensuring that the surface of the fragile object is not damaged, the pressure of the pressing plate on the object can be increased, so that the pressing plate can tightly clamp the fragile object.

[0020] When the present invention is used, fragile objects are placed between the two pressing plates 2 in the base, and air is inflated into the airbag through the air inlet 4, thereby driving the pressing plate to approach the middle object to clamp the object, and then the fragile object is transported by controlling the hand-held cavity. In the process of transporting the object, the swing strut drives the pressing plate to rotate downward under the action of the object's own gravity and the friction between the pressing plate. At the same time, in the process of downward rotation, the pressing plate's squeezing force on the fragile object is enhanced, so that the pressing plate can tightly clamp the fragile object. When the object is transported, the gas in the airbag is released through the exhaust hole, and then the entire movable splint is restored to its original state under the action of the reset spring and the torsion springs on the upper and lower pins. The present invention has a simple structure and can realize the transportation of fragile objects without causing any damage to the objects, thereby further improving the transportation efficiency of fragile objects and reducing labor intensity. Example

[0021] On the basis of the first embodiment, Figure 3 As shown, the similarities between this embodiment and the embodiment are not repeated here. The difference is that a submerged groove 15 is provided on the inclined surface of the base block, and an upper shallow groove 14 is opened on the inclined surface of the pendulum block to match the submerged groove. A second airbag 16 is fixedly installed in the submerged groove 15 and the upper shallow groove 14, and the second airbag 16 is connected to the airbag 7. A plurality of permanent magnets 15 are evenly arranged on the upper and lower inclined surfaces of the submerged groove of the base block for realizing magnetic attraction with the pendulum block. Such an arrangement can make the second airbag 16 connected to the airbag 7 expand by inflating the airbag 7, so that the pendulum block moves away from the base block and leaves the attraction range of the permanent magnet, so as to realize the clamping of the fragile object by the pressure plate. On the contrary, when the airbag is evacuated outward, the gas in the second airbag is sucked at any time, and the base block and the pendulum block gradually begin to approach each other, and are restored to their initial state under the action of the permanent magnet. Such an arrangement of this embodiment can further improve the flexibility of clamping fragile objects and damage the objects between the pressure plates.

[0022] The above description is only a preferred embodiment of the present invention and does not limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An airbag-based movable splint, Characterized in that: It includes a base and a clamping mechanism. The clamping mechanisms are symmetrically and fixedly installed in the inner cavity of the base respectively. The clamping mechanism includes an airbag, a return spring and a swing assembly. One side of the airbag is fixedly installed on the side wall of the inner cavity of the base, and the other side is fixedly connected with the swing assembly. The swing assembly includes a base block, a swing block, a swing support rod and a pressing plate. One side of the base block is fixedly connected with the airbag, and the other side is matched and docked with the swing block through the swing support rod. A pressing block is also fixedly installed on the right side surface of the swing block. In the natural state, after the airbag expands, it can drive the swing assembly to move. When the airbag deflates and contracts, it can drive the swing assembly to move in the opposite direction and reset. The return springs are symmetrically installed on both sides of the airbag respectively; One side of the base block close to the swing block is an inclined surface, and one side of the swing block close to the base block is a matching inclined surface. Lower pin shafts are respectively fixed at the bottoms of both side surfaces of the base block, and upper pin shafts are respectively fixed above both side surfaces of the swing block. Both ends of the swing support rod are rotatably connected with the upper pin shaft and the lower pin shaft respectively. A lower dive groove is arranged on the inclined surface of the base block, and an upper shallow groove corresponding to the lower dive groove is arranged on the inclined surface of the swing block. And a second airbag is fixedly installed in the lower dive groove and the upper shallow groove. A plurality of permanent magnets are evenly arranged on the upper and lower inclined surfaces of the lower dive groove of the base block for realizing magnetic attraction with the swing block.

2. The airbag-based movable splint according to claim 1, Characterized in that: A hand-held cavity is fixedly installed in the middle of the inner cavity of the base. Chambers are respectively formed in the base on both sides of the hand-held cavity, and clamping mechanisms are symmetrically installed in the two chambers respectively.

3. The airbag-based movable splint according to claim 1, Characterized in that: Air inlet holes and exhaust holes are respectively arranged at the top of the airbag for controlling the expansion and contraction of the airbag.

4. The airbag-based movable splint according to claim 1, Characterized in that: Torsion springs are respectively installed on the upper pin shaft and the lower pin shaft for helping to restore the initial states of the base block and the swing block.

Images