CN205707886U - plastic hose discharging structure - Google Patents

Abstract

The utility model discloses a discharge structure of a plastic hose, which comprises a hose main body with a discharge hole and a pipe cover matched with the hose main body; Buffer discharge mechanism, the buffer discharge mechanism includes a discharge pipe and a buffer plate, the buffer plate fits on the discharge hole, and a trumpet-shaped discharge hole with a large top and a small bottom is provided at the position corresponding to the discharge hole. The diameter of the lower port of the discharge hole is smaller than that of the discharge hole; the discharge pipe is fitted on the upper part of the buffer plate, the lower part forms a buffer cavity, and the upper part forms a tubular discharge port. The buffer chamber is restored by the deformation of the hose body, and when the contents flow back into the hose body, a large negative pressure is formed, and air is sucked into the buffer chamber, and the contents in it are segmented, and when the hose body is squeezed again, The content will flow out from the outlet in the form of granules, which makes it easier to control the extrusion amount of the content and avoid waste caused by excessive extrusion.

Description

Plastic hose discharge structure

technical field

The utility model relates to a hose that can be used to contain liquid or paste substances, in particular to a plastic hose discharge structure.

Background technique

As shown in Figure 1, the plastic hoses that are generally used in the packaging of cosmetics, daily necessities, and medicines are all directly provided with a discharge port 11' on the tube body 1', and then covered with a cover to seal. Unscrew the cap and squeeze the tube to squeeze out the contents. The plastic hose with this structure is simple, but when people use it, the extrusion amount of the content is difficult to control, and it is relatively easy to overextrude, resulting in a certain waste.

In order to effectively control the amount of usage, the authorized announcement number is CN202095747U, and the Chinese patent document with the announcement date of January 4, 2012 discloses a dropper type cosmetic bottle, which includes a bottle body and a cover body, and the upper part of the cover body There is a pressing cap, and a spring is supported between the pressing cap and the cover body, so that the pressing cap has an upward trend; a pump body is fixed at the lower part of the cover body, and a dropper is provided at the lower end of the pump body, and the pump body It communicates with the dropper, and the pump body is provided with a piston that is close to the inner wall of the pump body and can move up and down along the inner wall of the pump body. The piston is sleeved on the valve needle, and the upper end of the valve needle is connected with the lower end of the pressing cap. The cosmetic bottle disclosed in this document can absorb and release liquid by pressing the cap. Although it can absorb cosmetics as needed, the amount absorbed is not easy to control, and its structure is more complicated, the production cost is high, and it is inconvenient to use.

Utility model content

In view of this, the purpose of the present invention is to provide a discharge structure for plastic hoses, which can make the discharge method drop-shaped, and the discharge amount is easier to control, thereby avoiding waste.

For achieving the above object, the solution of the present utility model is:

A plastic hose discharge structure, comprising a hose main body with a discharge hole and a pipe cover matched with the hose main body; wherein: a buffer discharge mechanism is arranged between the discharge hole of the hose main body and the pipe cover , the buffer discharge mechanism includes a discharge pipe and a buffer plate, the buffer plate fits on the discharge hole, and its corresponding discharge hole position is provided with a trumpet-shaped discharge hole, the discharge hole The diameter of the lower port is smaller than that of the discharge hole; the discharge pipe fits on the upper part of the buffer plate, the lower part forms a buffer cavity, and the upper part forms a tubular discharge port.

The front end of the hose body forms a receptacle, and a discharge hole is arranged at the center of the bottom of the receptacle, and the buffer cavity of the discharge pipe fits into the receptacle, and the buffer plate fits into the bottom of the receptacle.

The outer wall of the receptacle is provided with a screw thread matched with the pipe cover.

The buffer plate is made of soft material.

Longitudinal pressing ribs that press against the buffer plate are arranged in the buffer cavity.

The buffer cavity of the discharge pipe is matched with the seat through an embedded structure.

The outer wall of the buffer cavity is provided with an annular groove or an annular rib, and the corresponding seat is provided with a matching annular rib or an annular groove.

The top center of the tube cover is provided with a protruding column extending into the discharge opening.

With the above-mentioned structure, the utility model sets up a buffer discharge mechanism, and cooperates with the buffer chamber in the buffer discharge mechanism and the material passage hole with a change in caliber. When the hose body is released after the hose body is squeezed, the hose body When the deformation recovers, the content in the buffer chamber will tend to flow back into the hose body, and the diameter between the feeding hole and the discharge hole will change, and a large gap will be formed when the content in the buffer chamber flows back into the hose body. Negative pressure draws air into the buffer cavity, and the content in it is segmented. When the hose body is squeezed again, the content will flow out of the discharge port in the form of particles, making the extrusion of the content easier to control. , to avoid waste caused by excessive extrusion.

Description of drawings

Fig. 1 is the use schematic diagram of prior art packaging hose;

Fig. 2 is the front perspective exploded view of the utility model;

Fig. 3 is the rear view three-dimensional exploded view of the utility model;

Fig. 4 is the exploded sectional view of the utility model;

Fig. 5 is a combined sectional view of the utility model;

Figure 6 is a schematic view of the utility model.

detailed description

The utility model is described in detail below in conjunction with accompanying drawing and specific embodiment.

As shown in Figures 1 to 6, the utility model discloses a plastic hose discharge structure, including a hose body 1 with a discharge hole 11 and a tube cover 2 matched with the hose body 1; the utility model The key lies in:

A buffer discharge mechanism 3 is also provided between the discharge hole 11 of the hose main body 1 and the pipe cover 2. The buffer discharge mechanism 3 includes a discharge pipe 31 and a buffer plate 32. The buffer plate 32 is fitted on the outlet On the material hole 11, a trumpet-shaped material passage hole 321 with a large upper part and a smaller lower part is provided at the position corresponding to the discharge hole 11. The diameter of the lower port of the material passage hole 321 is smaller than the diameter of the discharge hole 11; the discharge pipe 31 fits in the buffer The upper part of the plate 32 forms a buffer chamber 311 at its lower part, while the upper part forms a tubular discharge port 312 .

In this embodiment, a receptacle 10 is formed at the front end of the hose main body 1, and a discharge hole 11 is arranged at the bottom center of the receptacle 10, and the buffer chamber 311 of the discharge pipe 31 fits in the receptacle 10, The buffer plate 32 fits on the bottom of the receptacle 10 ; in addition, the outer wall of the receptacle 10 is provided with threads for matching with the tube cover 2 .

The buffer plate 32 can be made of soft material, such as silica gel, then it is press-fitted on the bottom of the seat 10 by the lower end of the buffer chamber 311, and has a seal to seal the gap between the buffer chamber 311 and the seat 10. function to prevent material leakage.

In order to ensure the stability of the cooperation between the soft buffer plate 32 and the receptacle 10, a longitudinal pressing rib 313 is provided in the buffer cavity 311, so as to have a certain pressing effect on the middle part of the buffer plate 32 and prevent the contents from entering Between the buffer plate 32 and the bottom surface of the receptacle 10 , and ensure that the discharge hole 321 of the buffer plate 32 is always matched with the discharge hole 11 .

The buffer cavity 311 of the discharge pipe 31 is fitted in the receptacle 10 through an embedded relationship, that is, the outer wall of the buffer cavity 311 is provided with an annular groove or an annular rib 314, and the corresponding receptacle 10 is provided with a Fitting annular rib or annular groove 101.

The top center of the tube cover 2 is also provided with a boss 21, that is, when the tube cover 2 is screwed on the hose body 1, the boss 21 is just extended to the port of the tubular outlet 312 of the discharge pipe 31, In order to achieve the function of further sealing the contents, ensure the validity period of the contents, and at the same time prevent the contents from overflowing.

As shown in Figure 5 and Figure 6, open the tube cover, when the hose body 1 is squeezed, the content in the hose body 1 is pressed through the discharge hole 11, and enters the buffer chamber 311 along the discharge hole 321 , when the content in the hose is squeezed out for the first time, the content will fill the buffer cavity 311, because the stroke of the finger that squeezes the hose main body 1 is limited, so it is necessary to squeeze the hose main body 1 again, and then release When the hose body is 1, the content in the buffer cavity 311 will tend to flow back into the hose body 1 due to the recovery of the deformation of the hose body 1. Due to the setting of the trumpet-shaped material passage hole 321 on the buffer plate 32, that is There is a caliber change between the feed hole 321 and the discharge hole 11. Therefore, when the content in the buffer chamber 311 flows back into the hose body 1, a large negative pressure is formed and air is sucked into the buffer chamber 311, and the buffer chamber The content of 311 will be divided into sections by the action of gas, and when the hose body 1 is squeezed again, the content separated by air in the buffer chamber 311 will flow out from the discharge port 312 in the form of particles, so that the content can be extruded The amount is easier to control and avoid waste caused by excessive extrusion.

The above is only a preferred embodiment of the utility model, and does not limit the scope of implementation of the utility model. Equivalent changes and modifications made according to the technical solution of the utility model and the content of the specification should all be covered by the utility model. range.

Claims (8)

1. A plastic hose discharge structure, comprising a hose body with a discharge hole and a pipe cover matched with the hose body; it is characterized in that: a hose body is provided between the discharge hole of the hose body and the pipe cover Buffer discharge mechanism, the buffer discharge mechanism includes a discharge pipe and a buffer plate, the buffer plate fits on the discharge hole, and a trumpet-shaped discharge hole with a large top and a small bottom is provided at the position corresponding to the discharge hole. The diameter of the lower port of the discharge hole is smaller than that of the discharge hole; the discharge pipe is fitted on the upper part of the buffer plate, the lower part forms a buffer chamber, and the upper part forms a tubular discharge port. 2. The discharge structure of plastic hose according to claim 1, characterized in that: the front end of the hose body forms a receptacle, and a discharge hole is arranged at the bottom center of the receptacle, and the buffer chamber of the discharge pipe Fitting in the receptacle, the buffer plate fits in the bottom of the receptacle. 3. The discharge structure of the plastic hose according to claim 2, characterized in that: the outer wall of the receptacle is provided with a screw thread for matching with the pipe cover. 4. The plastic hose discharge structure according to claim 1, wherein the buffer plate is made of soft material. 5. The plastic hose discharge structure according to claim 4, characterized in that: the buffer cavity is provided with longitudinal pressing ribs pressing against the buffer plate. 6 . The discharge structure of the plastic hose according to claim 1 , wherein the buffer cavity of the discharge pipe is matched with the seat through an embedded structure. 7 . 7. The discharge structure of the plastic hose according to claim 6, characterized in that: the outer wall of the buffer chamber is provided with an annular groove or an annular rib, and the corresponding seat is provided with a matching annular rib. Ribs or ring grooves. 8. The discharge structure of the plastic hose according to claim 1, characterized in that: the top center of the tube cover is provided with a protrusion extending into the discharge opening.