Vacuum fixator used fixedly and repeatedly

Abstract

The invention relates to a vacuum fixator which is beneficial to repeated fixation and use. Depending on the complementary effect formed in the mode that a combination edge portion formed on the periphery of a disc face portion of a suction disc body wraps and combines a sealing frame ring body, in the process that the vacuum fixator conducts transposition on an adsorption face, or fixed again or fixed repeatedly to different adsorption faces multiple times, the combination edge portion can form support in the soft sealing frame ring body, and the effect that the profile and the effectiveness of the sealing frame ring body can be maintained for a long time is achieved; the vacuum fixator particularly refers to that when the sealing attachment face of the sealing frame ring body is lifted up and leaves the adsorption face, the combination edge portion of the suction disc body can be driven; furthermore, when the vacuum fixator is not used, only lifting operation needs to be conducted at the corner of the edge portion of the sealing frame ring body, air can be directly made to enter the suction disc body, and operation simpleness and convenience in the process that the vacuum fixator is detached out of the adsorption face is enhanced.

Description

technical field [0001] The invention relates to a vacuum retainer which can maintain the shape and effect of the airtight frame for a long time when it is repeatedly fixed and used, and can improve the convenience of operation when it is removed from the adsorption surface. Vacuum holder. Background technique [0002] Generally, it is difficult to hang or fix certain items with screws or nails on tiled walls or glass surfaces. Vacuum holders based on the principle of suction cups such as octopus legs have been widely used; this vacuum The retainer has a suction cup that resembles an inverted saucer. After the suction cup is placed on a smooth surface (such as glass or ceramic tile), and the internal air of the suction cup is exhausted, when the internal volume of the suction cup is forced to increase, the external pressure of the suction cup (ie, atmospheric pressure) will be higher than the internal pressure of the suction cup , thus, the vacuum holder can be attached to ...

AI Technical Summary

Problems solved by technology

[0005] It is a good attempt to improve the binding force of the suction cup by using a malleable adhesive material. However, since the suction cup is mainly made of flexible materials, when the center of the suction cup is lifted towards the pressure plate, it is used to widen the interior of the suction cup. When volumetric, the shape of the edge of the suction cup may be deformed, or there may be a slight sliding between the suction surface and the attachment surface, especially, if there are jagged parts on the attachment surface, this existing technology will not provide ideal bonding force

[0006] In addition, Chinese Patent No. ZL200480029868.9 also discloses a vacuum fixture, wherein the vacuum wall made of gel-type polyurethane extends outward from the bottom of the press plate along the edge of the press plate toward the attachment surface, and has a The inclined pressure surface meets the inclined rising surface of the suction cup; when the pressure plate makes the interior of the suction cup into a vacuum state, the slits or sawtooth parts on the attachment surface can be filled by the gel-type vacuum wall, so that the interior of the suction cup is kept in a vacuum state; However, the fixation of the vacuum fixer on the attachment surface is not limited to long-term fixation. More often, it is temporarily fixed or used for repeated fixation on different attachment surfaces; the above-mentioned conventional vacuum fixation If the device is to be disassembled from the attachment surface, in addition to the operation of the screw fastener to restore the internal volume of the expanded suction cup, the external air must also enter the interior of the suction cup to easily remove the vacuum from the attachment surface. Device; only, the vacuum wall made of gel-type polyurethane, its viscosity and high elongation, although it forms a good cut-off effect on the external air, but it does not have the problem of good recovery ability after elongation, repeated tearing from the attachment surface The phenomenon of diameter expansion deformation (loop loosening) caused by opening often affects the sealing effect, and even loses the blocking ability of air entering the interior of the suction cup due to part of the inclined pressure surface detached from the suction cup slope (not completely handed over). Sometimes, even if part of the vacuum wall has been torn from the attachment surface, the suction cup located on the inner edge of the vacuum wall will still be adsorbed on the attachment surface. Since the outside is not easy to touch the edge of the suction cup to remove the attachment surface, For this reason, it brings trouble and inconvenience for repeated fixed use for a long time

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