CN201317513Y - A limit injection device - Google Patents

Abstract

The utility model relates to a limit injection device, which comprises a casing with an injection opening and a step-shaped stopper located inside the injection opening. The upper end surface of the casing with an injection opening is equipped with a gap and a spiral surface, a handle is arranged above the casing, and the handle is fixedly connected with the top end of the stopper. The utility model utilizes the above technique scheme to achieve limit injection through a usable length obtained when the stopper penetrates into an injection opening of a container. If liquid injection limitation needs to be standardized again, a user just needs to change the usable length when the stopper penetrates into the injection opening of the container, and further, the user also can change the penetrating length of the structural design of the injection opening to be adjustable to achieve the purpose of injection with different limits. When liquid in the container flows out or storage quantity of the container is reduced, then the container needs to be refilled further and needs to keep the original injection limit, and the limit injection technology can realize the requirement.

Description

A kind of priming device of limiting the quantity of

Technical field

The utility model relates to a kind of device that injects liquid in container, particularly relate to a kind of can be automatic limited, the priming device of quantitative injection.

Background technology

Though China injects the method for quantitative liquid or scalable injection quantitative liquid at present in large-sized civil or middle-size and small-size container various, but before liquid injects, the volume of the necessary good liquid of premeasuring, perhaps inject by the flow counter timing, and for the liquid that is difficult for measuring before the injection, or the liquid that very easily changes of the liquid of not easy-to-use flow counter timing measuring and high volatility, volume, above-mentioned method is difficult to satisfy actual production needs, and this has brought great inconvenience to productive life.

Summary of the invention

The purpose of this utility model provide a kind of automatic limited in container, quantitatively inject the priming device of limiting the quantity of of liquid.

For achieving the above object, the utility model is taked following technical scheme:

The utility model comprises the housing that has spout and is positioned at spout in-to-in stepped ramp type plug; The above-mentioned housing upper surface that has spout is provided with breach and helical surface, and handgrip is positioned at the top of housing, and handgrip is captiveed joint with the top of plug.

Above-mentioned housing is the infundibulate housing, and it is arranged on spout in-to-in plug is the stepped ramp type cylinder, and is provided with seal ring on plug.

Above-mentioned handgrip comprises handle and bar, handle hollow, and the rear portion of bar is positioned at the inside of handle; Be provided with spring at rod rear end, spring is connected with handle.

The above-mentioned priming device of limiting the quantity of also comprises block, and block is positioned at the rear end of handgrip.

The above-mentioned priming device of limiting the quantity of also comprises the tubulose fence, and above-mentioned housing, handgrip and the block that has spout all is positioned within the fence.

Adopt the utility model of technique scheme,, reach the fluid injection of limiting the quantity of by going deep into the effective length of container spout.If the injection of demarcating liquid is again limited the quantity of, then change the effective length of going deep into the container spout, also the structure design of spout can be reached the difference fluid injection purpose of limiting the quantity of for going deep into adjustable in length in addition.When needing further to replenish after outflow of the liquid in the container or the amount of ram minimizing, but require still to keep original fluid injection to limit the quantity of, this fluid injection technology of limiting the quantity of can satisfactorily realize this requirement.The utility model provides a kind of simple, ingenious, the practical formula of limiting the quantity of fluid injection structure, not only satisfy limit the quantity of, the requirement of the liquid of quantitatively annotating, also accomplished simple to operate, duties requirement easily simultaneously, reduced the tooling cost and the maintenance cost of product.

Description of drawings

Fig. 1 is an integral structure scheme drawing of the present utility model;

Fig. 2 is that the A-A of Fig. 1 is to cutaway view.

The specific embodiment

As shown in Figure 1 and Figure 2, the utility model comprises the housing 2 that has spout and is positioned at spout in-to-in stepped ramp type plug 3.The housing 2 that has spout is the infundibulate housing, and its big end parts is positioned at container 8 inside, and small end partly exposes container 8, and reservoir quantity what it is used for limiting; The upper surface of housing 2 exposed portions serve is provided with two semicircle breach 9 and bilateral helical surface 10, is used for limiting the closure and the open position of spout.In the inside of spout plug 3 is set, plug 3 is the stepped ramp type cylinder, is mainly used to airtight spout.The stepped ramp type of plug 3 designs and has the funnel-shaped design of the housing 2 of spout, has guaranteed that when opening spout plug 3 can not take out from spout.In addition, on plug 3, be provided with seal ring 6, play the effect of hydraulic seal.

Handgrip 1 in the utility model comprises handle 11 and bar 13, handle 11 hollows, and the rear portion of bar 13 is positioned at the inside of handle 11; Be equipped with spring 12 in bar 13 rear ends, spring 12 other end roof pressure handles 11 endoporus bottom.Pin 14 is fixed on the handle 11, locatees with bar 13 elasticity.And bar 13 is captiveed joint with the top of plug 3.Handgrip 1 is positioned at the top of housing 2, and promptly when not fluid injection body, bar 13 is positioned on the bilateral helical surface 10; When injecting liquid in container 8, bar 13 is positioned at breach 9 places.Under the effect of spring 12, handle 11 is scalable.Under stretching, contracting two states, can fix respectively and free plug 3, Yi Bian open or close spout.The utility model also comprises block 5, and block 5 is positioned at the rear end of handgrip 1, is mainly used in after spout closes, and the position of handgrip 1 prevents handgrip 1 automatic Unscrew spout.

Principle of work of the present utility model is:

When filling liquid in container 8, the container spout is horizontal.At this moment, compression handgrip 1, withdraw from the restriction of block 5 after, with the contrary half-twist of handgrip 1, handgrip 1 is reduced to spout breach 9 places along spout bilateral helical surface 10, direction is opened plug 3 in container 8, liquid can inject along the gap between spout and the plug 3.Some stretches in the container 8 owing to have spout housing 2, can determine reservoir quantity according to the length that stretches into, and this structure has played the purpose of the fluid injection of limiting the quantity of.When the refrigerant fluid that injects when overflow on spout top, the fluid injection of limiting the quantity of finishes.Push down handle 1, again with 90 ° of handgrip 1 clickwises, handgrip rises to the upper surface of spout housing 2 along spout bilateral helical surface 10, lift with being about to plug 3, under the effect of seal ring 6, spout is blocked, after handgrip 1 puts in place, release handle 11, effect lower handle 11 at spring 12 ejects, and handle 11 positions are limited by block 5.This guarantees that also handgrip 1 does not rotate, and spout is closed all the time.

When liquid reduced along with outflow, only need be full of liquid once more and get final product.This structure has not only satisfied the requirement of the filling of limiting the quantity of, and when replenishing, can both guarantee to store in the container 8 liquid that equal in quality is arranged at every turn.

Claims (5)

1, a kind of priming device of limiting the quantity of is characterized in that: it comprises the housing (2) that has spout and is positioned at spout in-to-in stepped ramp type plug (3); Described housing (2) upper surface that has spout is provided with breach (9) and helical surface (10), and handgrip (1) is positioned at the top of housing (2), and handgrip (1) is captiveed joint with the top of plug (3).

2, the priming device of limiting the quantity of according to claim 1 is characterized in that: described housing (2) is the infundibulate housing, and it is arranged on spout in-to-in plug (3) is the stepped ramp type cylinder, and is provided with seal ring (6) on plug (3).

3, the priming device of limiting the quantity of according to claim 1 is characterized in that: described handgrip (1) comprises handle (11) and bar (13), handle (11) hollow, and the rear portion of bar (13) is positioned at the inside of handle (11); Be provided with spring (12) in described bar (13) rear end, spring (12) is connected with handle (11).

4, according to claim 1 or the 2 or 3 described priming devices of limiting the quantity of, it is characterized in that: the described priming device of limiting the quantity of comprises block (5), and block (5) is positioned at the rear end of handgrip (1).

5, the priming device of limiting the quantity of according to claim 4 is characterized in that: the described priming device of limiting the quantity of comprises tubulose fence (4), and described housing (2), handgrip (1) and the block (5) that has spout all is positioned within the fence (4).

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