Negative pressure toothpaste extrusion apparatus

Abstract

The invention relates to a negative pressure toothpaste extrusion apparatus. An upper-lower limiting sliding mechanism is arranged between a jacking device and a fixed support, the lower edge of a lower rubber bucket and the jacking piece are mutually fixed in a detachable mode, a toothpaste head fixing device is arranged above the fixed support and locks along with the fixed support the upper edge of the rubber bucket through a separable locking mechanism, and the toothpaste head fixing device is internally provided with a rubber fixed head which is communicated with a communication cavity of the lower rubber bucket and is matched with the toothpaste head; the upper end face of a lower lever is an arc slope which bends upwards, when the lower lever rotates along a position in which the lower lever is hinged to the fixed support under stress, the arc slope jacks the lower end face of the jacking device, so that the jacking device moves upwards along the upper-lower limiting sliding mechanism relative to the fixed support, and the arc slope makes the rubber bucket wall between the fixed support and the jacking piece be depressed and deformed in the upper-and-lower perpendicular direction; when the lower lever is not under stress, the rubber bucket wall is restored and makes the lever be restored. By means of the negative pressure toothpaste extrusion apparatus, the shortcomings existing in an existing negative pressure toothpaste extrusion apparatus that a lower rubber bucket is easy to slip off, the jacking combination position of the lever and an jacking ring is easy to fracture, and the disassembly process is very difficult are solved.

Description

technical field [0001] The invention relates to the field of personal cleaning and care products, in particular to a negative pressure toothpaste squeezer. Background technique [0002] At present, toothpaste extruders are divided into two types: mechanical extrusion and negative pressure extrusion. The former extrudes toothpaste by mechanically extruding the toothpaste tube. Relatively speaking, it is easy to break the tube wall of the toothpaste tube, and In the state of less toothpaste remaining, it is difficult to extrude the paste remaining on the head of the toothpaste tube; the latter sucks the paste in the toothpaste tube through negative pressure, and has no direct contact with the toothpaste tube, so it can effectively avoid the tube The body is damaged, and the use of atmospheric pressure helps to more completely extract the paste in the toothpaste tube. [0003] CN201020610187.4 discloses a negative pressure toothpaste extruder, when the lower part of the U-shap...

AI Technical Summary

Problems solved by technology

[0005] (1) When the lower part of the U-shaped lever is pushed inward, the pressure shoulder of the U-shaped lever actually makes a circular motion around the rotation axis of the U-shaped lever. During this process, the front end of the ring-shaped protrusion on the upper edge of the lower rubber barrel is easily released from the plastic bayonet ring, which is the inner space of the lower rubber barrel exposed, which affects the extrusion of toothpaste effect and pollute the toothpaste in the lower rubber barrel;

[0006] (2) The pressure shoulder of the U-shaped lever directly presses the shoulder of the plastic top ring, so that the plastic top ring moves upward. During this process, the lower rubber barrel produces a reaction force to restore the original shape, which is easy to use after multiple uses. The shoulders and shoulders are broken, and most of the toothpaste is weakly alkaline with abrasives, which has a certain corrosion and wear effect on the shoulders and shoulders that are not tightly bonded, which is easy to aggravate this situation;

[0007] (3) The U-shaped lever is installed in the shaft hole through the rotating shaft. When the lower rubber barrel and the plastic bayonet ring are released from each other, or when the lower rubber barrel is polluted and needs to be cleaned, the U-shaped lever needs to be kneaded to make it fit into the groove on the Only when the shaft hole is disassembled can the rest of the components be removed, and the rubber barrel reinstalled and cleaned can be completed. The action is cumbersome and further increases the risk of breaking the pressure shoulder and the shoulder

Images