CN204846757U - Extrusion device - Google Patents

Abstract

The utility model relates to a deposit the extrusion device in the liquid volume, it belongs to the daily life field. The utility model discloses a volume body, an upper cover, the bottom, no. Two pistons, no. Two check valves, depression bar mechanism, admit air storehouse and stock solution storehouse, the upper cover is connected with the oral area of volume body, the bottom at the volume body is connected to the bottom, no. Two piston settings are originally internal at the volume, no. Two check valves and this body coupling of volume, depression bar mechanism includes the cavity depression bar, liquid outlet and a check valve, one end and a check valve of cavity depression bar are connected, the other end and no. Two check valves of cavity depression bar are connected, check valve intercommunication of liquid outlet and this, the inlet port has been seted up on the bottom, form the storehouse of admitting air between bottom and no. Two pistons, form the stock solution storehouse between no. Two pistons and no. Two check valves. The utility model discloses it is rational in infrastructure, convenient to use, it is with low costs, guarantee the liquid contactless air in the container, safe and reliable.

Description

Extrusion equipment

Technical field

The utility model relates to a kind of device, and especially relate to a kind of extrusion equipment for depositing in liquid capacity, it belongs to daily life field.

Background technology

In daily life, there are a lot of article, as fresh milk, cough syrup, antipyretic Merrill Lynch, shampoo, shower cream etc., there is the different shelf-lifves, but all there is same problem in existing packaging, such as, the shelf-life of antipyretic Merrill Lynch is 3 years, before the use that do not break a seal, it is no problem for using in the shelf-life of 3 years, but one bottle of antipyretic Merrill Lynch just produced is after Kaifeng is edible, owing to opening bottle cap, medicine in bottle directly contacts with air, if this bottle of antipyretic Merrill Lynch is not finished at short notice, spend half a year or need eat again for 1 year, although the shelf-life also has 2 years, now will worry very much that can the antipyretic Merrill Lynch after breaking a seal also continue to eat, if thrown away and will cause certain waste, also may cause the problem of remaining medicine process difficulty, shampoo is after Kaifeng uses, and As time goes on, the effect of panesthesia hair washing can worse and worse, and existing volume extrusion structure, to enter air, pollute, dangerous.

Therefore, a kind of container extrusion equipment of depositing liquid is designed, in use procedure, normally can use, ensure again the liquid not ingress of air in container all the time, be in hermetic state, can allow user's relieved use within the shelf-life, also prevent unnecessary waste, seem particularly necessary.

Publication date is on December 08th, 2010, and publication number is in the Chinese patent of 201665373U, discloses the utility model patent that a kind of name is called " container extruding structure ".This patent at least comprises outer container and endogenous pyrogen, outer container formed primarily of outer tank and top cover, a groove is provided with in outer tank, top cover then just can be covered in outer tank, and endogenous pyrogen consists predominantly of accommodating tank, pressing piece, chock formed, and accommodating tank can be installed in the groove in the outer tank of outer container, in accommodating tank, also storage tank is set, and in storage tank, insert a pressing piece, this pressing piece is a disk body, and the thin-walled in disk body is set to a pressing wall.Although this patent can allow user be convenient to the filling thing of taking in this container, sealing effectiveness is bad, easily enters air, cause the liquid etc. in volume to pollute, therefore it still exists above-mentioned defect.

Publication date is on 07 12nd, 2006, and publication number is in the Chinese patent of 1799945, discloses the patent of invention that a kind of name is called " Pneumatic type squeezing container ".This patent is mainly by a connector, one lid, one thinner soft interior tube body, one thicker soft outer tube body and a valve formed, wherein interior tube body and outer tube body are arranged in inward flange and the outward flange of connector respectively, filling thing is filled with in interior tube body, again bottom is given involution, outer tube body is sheathed on interior tube body outside, in bottom outer tube body, pressing is provided with a valve, the bottom of valve is formed with admission port, when hand depression outer tube body, air between interior tube body and outer tube body because of valve be one-way air inlet, therefore meeting average pressurized is in interior tube body, filling logistics is gone out.Although filling thing can be extruded by this patent, air return can pollute, therefore it still exists above-mentioned defect.

Utility model content

The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of reasonable in design, easy to use, and cost is low, ensures the liquid not ingress of air in container, safe and reliable extrusion equipment.

The technical scheme in the invention for solving the above technical problem is: this extrusion equipment, comprise volume body, upper cover and bottom, described upper cover is connected with the oral area of volume body, bottom is connected to the bottom of volume body, it is characterized in that: also comprise No. two pistons, No. two check valves, pressure lever mechanism, air inlet storehouse and containing liquid chamber, described No. two pistons are arranged in volume body, No. two check valves are connected with volume body, pressure lever mechanism comprises hollow depression bar, liquid outlet and a check valve, one end of described hollow depression bar is connected with a check valve, the other end of this hollow depression bar is connected with No. two check valves, liquid outlet and this check valve is communicated with, bottom offers induction opening, air inlet storehouse is formed between bottom and No. two pistons, containing liquid chamber is formed between No. two pistons and No. two check valves, rational in infrastructure, easy to operate, ensure the liquid not ingress of air in container all the time, be in hermetic state, can allow user's relieved use within the shelf-life, meet the user demand of people.

As preferably, the utility model also comprises a piston and elastic component, and a piston is arranged in volume body, and a piston is connected with hollow depression bar, and a piston contacts with elastic component; By the structure of a piston and elastic component, make squeezing effect better.

As preferably, the utility model also comprises a seal ring and No. two seal rings, and a described piston is provided with the seal ring mated with it, and No. two pistons are provided with No. two seal rings mated with it; Increase sealing effectiveness, make not enter air in volume body.

As preferably, the utility model also comprises cavity, forms cavity between a described piston and No. two check valves; Hollow depression bar drives a piston down to move, and the volume of the cavity of sealing is diminished, pressure increase.

As preferably, one end of elastic component described in the utility model and a piston contact, the other end of this elastic component contacts with upper cover; A piston is made to realize up-and-down movement by elastic component.

As preferably, the upper end of a piston described in the utility model is connected with the lower end of hollow depression bar; Realize upper and lower compression movement.

As preferably, elastic component described in the utility model adopts extension spring; Make a piston after unclamping hollow depression bar, can slowly rise under extension spring effect.

The utility model compared with prior art, have the following advantages and effect: a check valve of liquid outlet, air backflow resistent is mixed into containing liquid chamber, use procedure is simple and convenient, can ensure the liquid not ingress of air in container all the time, be in hermetic state, can allow user's relieved use within the shelf-life, also unnecessary waste is prevented, safe and reliable, meet people's user demand.

Accompanying drawing explanation

Fig. 1 is the integral structure schematic diagram of the utility model embodiment.

In figure: volume body 1, upper cover 2, bottom 3, pressure lever mechanism 4, air inlet storehouse 5, containing liquid chamber 6, cavity 7, hollow depression bar 8, liquid outlet 9, a check valve 10, piston 11, No. two pistons 12, No. two check valves 13, elastic component 14, extension spring 15, a seal ring 16, No. two seal rings 17, induction opening 18.

Detailed description of the invention

Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.

Embodiment.

See Fig. 1, the extrusion equipment of the present embodiment mainly comprises volume body 1, upper cover 2, bottom 3, pressure lever mechanism 4, air inlet storehouse 5, containing liquid chamber 6, No. two pistons 12, No. two check valves 13 and elastic component 14.

Upper cover 2 in the present embodiment is connected with the oral area of volume body 1, bottom 2 is connected to the bottom of volume body 1, pressure lever mechanism 4 comprises hollow depression bar 8, liquid outlet 9 and a check valve 10, hollow depression bar 8 is connected with a check valve 10, liquid outlet 9 and this check valve 10 is communicated with, liquid outlet 9 is above vessel, and a check valve 10 has the function of only export but no import, thus reaches the effect that extraneous air can not be back to volume body 1.

A piston 11 in the present embodiment and No. two pistons 12 are all arranged in volume body 1, a piston 11 contacts with elastic component 14, there are No. two check valves 13 below of a piston 11, a piston 11 is connected with hollow depression bar 8, a piston 11 there is the seal ring 16 mated with it, No. two pistons 12 there are No. two seal rings 17 mated with it, bottom 2 has induction opening 18, air inlet storehouse 5 is formed between bottom 2 and No. two pistons 12, containing liquid chamber 6 is formed between No. two pistons 12 and No. two check valves 13, cavity 7 is formed between a piston 11 and No. two check valves 13, hollow depression bar 8 is connected with a piston 11 through after upper cover 2.

One end of elastic component 14 in the present embodiment contacts with a piston 11, the other end of this elastic component 14 contacts with upper cover 2, and the upper end of a piston 11 is connected with the lower end of hollow depression bar 8, and elastic component 14 adopts extension spring 15, also the structures such as spring can be adopted, as long as this effect can be reached.

During use, the hollow depression bar 8 in pressure lever mechanism 4 is pressed with hand, hollow depression bar 8 drives a piston 11 down to move, the volume of the cavity 7 of sealing is diminished, pressure increase, simultaneously the bottom of cavity 7 is provided with No. two check valves 13 of only import but no export, and the air therefore under the effect of the pressure in cavity 7 or liquid can flow out along hollow depression bar 8 from a check valve 10, due to the setting of a check valve 10, the air flowed out from a check valve 10 or liquid cannot be back in cavity 7; Hand unclamps depression bar 9, under the effect of extension spring 15, a piston 11 slowly rises, and makes the volume of the cavity 7 of sealing become large, pressure reduces, pressure in cavity 7 is less than the pressure in containing liquid chamber 6 and air inlet storehouse 5, thus the liquid 7 of containing liquid chamber flows into cavity 7 by No. two check valves 13, and the pressure of containing liquid chamber 6 has the trend of reduction simultaneously, under atmospheric pressure, promote No. two piston 12 upward movements, make cavity 7, containing liquid chamber 6 and air inlet storehouse 5 three reach dynamical equilibrium, once extruded; Extruding repeats above-mentioned steps again.

Pressure lever mechanism 4 in the present embodiment can according to different purposes, be designed to different shapes and size etc., can control the liquid outlet quantity of each pressing, the liquid at every turn extruding several milliliters is all feasible, the most applicable liquid drug, cosmetics, shower cream etc., little crowded amount very easy to use.

The mode of the present embodiment just citing wherein a kind of direct promotion piston 11, also can adopt the modes such as electronic, air pressure to realize, all belong to protection domain of the present utility model.

By above-mentioned elaboration, those skilled in the art can implement.

In addition, it should be noted that, the specific embodiment described in this specification sheets, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this specification sheets is only to the explanation of the utility model structure example.The equivalence change that structure, feature and principle described in all foundation the utility model inventional idea are done or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.

Claims (7)

1. an extrusion equipment, comprise volume body, upper cover and bottom, described upper cover is connected with the oral area of volume body, bottom is connected to the bottom of volume body, it is characterized in that: also comprise No. two pistons, No. two check valves, pressure lever mechanism, air inlet storehouse and containing liquid chamber, described No. two pistons are arranged in volume body, No. two check valves are connected with volume body, pressure lever mechanism comprises hollow depression bar, liquid outlet and a check valve, one end of described hollow depression bar is connected with a check valve, the other end of this hollow depression bar is connected with No. two check valves, liquid outlet and this check valve is communicated with, bottom offers induction opening, air inlet storehouse is formed between bottom and No. two pistons, containing liquid chamber is formed between No. two pistons and No. two check valves.

2. extrusion equipment according to claim 1, is characterized in that: also comprise a piston and elastic component, and a piston is arranged in volume body, and a piston is connected with hollow depression bar, and a piston contacts with elastic component.

3. extrusion equipment according to claim 1, is characterized in that: also comprise a seal ring and No. two seal rings, and a described piston is provided with the seal ring mated with it, and No. two pistons are provided with No. two seal rings mated with it.

4. extrusion equipment according to claim 2, is characterized in that: also comprise cavity, forms cavity between a described piston and No. two check valves.

5. extrusion equipment according to claim 2, is characterized in that: one end of described elastic component and a piston contact, the other end of this elastic component contacts with upper cover.

6. extrusion equipment according to claim 1, is characterized in that: the upper end of a described piston is connected with the lower end of hollow depression bar.

7. the extrusion equipment according to claim 2 or 4, is characterized in that: described elastic component adopts extension spring.