CN218294475U - Double-sealing valve mechanism for liquid storage container - Google Patents

Abstract

The utility model relates to a valve structure used by a liquid storage container in the traditional Chinese medicine decocting process, in particular to a double-sealing valve mechanism for the liquid storage container, which comprises a valve seat, a primary valve core and a secondary valve core; the valve seat is arranged at a liquid outlet at the bottom of the liquid storage container, and a liquid outlet flow channel is arranged on the valve seat; the primary valve core seals a liquid outlet of the liquid outlet flow channel; the secondary valve core seals the liquid inlet of the liquid outlet flow channel, and two ends of the liquid outlet flow channel on the valve seat are respectively sealed by utilizing the matching of the primary valve core, the secondary valve core and the valve seat, so that the technical problem that the primary sealing of the existing valve structure easily causes insufficient sealing is solved.

Description

Double-sealing valve mechanism for liquid storage container

Technical Field

The utility model relates to a valve structure that traditional chinese medicine decocte in-process stock solution container used specifically is a dual seal valve mechanism for stock solution container.

Background

In order to facilitate the transfer of the traditional Chinese medicine decoction in the liquid storage container, a liquid outlet is formed in the bottom of the pot of the liquid storage container, a valve body is arranged at the liquid outlet, and when the valve body is opened, the decoction in the liquid storage container flows out through the liquid outlet to finish the transfer of the decoction.

However, most of the existing valve body structures are single sealing mechanisms, when a liquid storage container is sealed, the problem that the sealing degree is insufficient after a valve core is aged exists, and in order to solve the technical problem, the applicant provides a two-stage sealing valve structure.

In addition, the applicant applied for a traditional Chinese medicine decoction packaging machine liquid outlet mechanism with patent number ZL202121711146.9 earlier at 27.07/2021, when a liquid medicine container is loaded on the packaging machine, the liquid outlet mechanism automatically inputs the liquid medicine in the liquid medicine container into the packaging machine, the liquid outlet mechanism comprises a one-way component and an opening component, the liquid medicine container is provided with the one-way component at the bottom and the opening component on the packaging machine, so that the liquid medicine can be quickly discharged after the liquid medicine container is loaded on the packaging machine, the packaging machine performs bag-dividing packaging, the steps are connected tightly, and the liquid outlet structure for outputting the liquid medicine is greatly simplified.

However, the above-mentioned technical means has a problem that the sealing property after aging is insufficient due to single sealing.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a dual seal valve door mechanism for liquid storage container through the cooperation that utilizes one-level case, second grade case and disk seat, and the both ends of going out the liquid runner on the disk seat form respectively sealedly, solve the sealed technical problem that leads to not enough sealedly easily of current valve structure one-level.

In order to achieve the above object, the utility model provides a following technical scheme:

a double sealing valve mechanism for a liquid storage container, comprising:

a valve seat, a primary valve core and a secondary valve core;

the valve seat is arranged at a liquid outlet at the bottom of the liquid storage container, and a liquid outlet flow channel is arranged on the valve seat;

the primary valve core seals a liquid outlet of the liquid outlet flow passage;

the secondary valve core seals the liquid inlet of the liquid outlet flow passage;

and when the first-stage valve core is opened and the second-stage valve core is opened, the first-stage valve core and the second-stage valve core are opened first and then, namely, the first valve core is opened first and then the second valve core is opened, or the second valve core is opened first and then the first valve core is opened.

As an improvement, an outlet sealing ring is arranged at the sealing position of the primary valve core and the liquid outlet.

As an improvement, a limiting sleeve for compressing the outlet sealing ring is arranged in the liquid outlet flow passage, and the primary valve core is arranged in the limiting sleeve.

As an improvement, the primary valve core is arranged in a spherical shape, and when the primary valve core is matched with the outlet sealing ring in a sealing mode, the secondary valve core is abutted to press the primary valve core.

As an improvement, a reset elastic piece for driving the primary valve core to reset is arranged above the primary valve core.

As an improvement, an inlet sealing ring is arranged at the position where the secondary valve core is in sealing fit with the valve seat.

As the improvement, the secondary valve core comprises a valve disc and an ejector rod;

a sealing boss is convexly arranged at the position of the valve disc, which is matched with the inlet sealing ring for sealing;

the ejector rod is vertically arranged on the valve disc and is in interference fit with the primary valve core below the ejector rod.

As an improvement, a return spring part for driving the secondary valve core to return is arranged above the secondary valve core.

As an improvement, a boss used for positioning and installing the reset spring part is convexly arranged on the secondary valve core.

The beneficial effects of the utility model reside in that:

(1) The utility model utilizes the matching of the primary valve core, the secondary valve core and the valve seat to form sealing at two ends of the liquid outlet flow channel on the valve seat respectively, thereby solving the technical problem that the primary sealing of the existing valve structure is easy to cause insufficient sealing;

(2) The utility model has the advantages that the outlet sealing ring on the primary valve core and the valve seat is matched and sealed, and the outlet sealing ring is compressed through the limiting sleeve, so that the outlet sealing ring can not move in a dislocation way, the sealing effect is stronger, and the primary valve core is arranged in a spherical shape, and the fault-tolerant rate is higher;

(3) The utility model discloses a jack-up that does benefit to the one-level case drives the second grade case and removes, realizes opening the two-stage in step and seals to, when sealed, the second grade case can also counteract on the one-level case, makes the one-level case sealed more stable.

To sum up, the utility model has the advantages of the leakproofness is strong, the persistence is long, is particularly useful for the valve structure technical field who uses in the stock solution container.

Drawings

FIG. 1 is a schematic view of the installation state structure of the present invention;

FIG. 2 is an enlarged schematic view of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

FIG. 4 is a schematic sectional view of the primary valve core of the present invention;

fig. 5 is the schematic view of the sectional structure of the second-stage valve core of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The first embodiment is as follows:

as shown in fig. 1 to 5, a double sealing valve mechanism for a liquid storage container includes:

a valve seat 1, a primary valve core 2 and a secondary valve core 3;

the valve seat 1 is arranged at a liquid outlet at the bottom of the liquid storage container, and a liquid outlet runner 11 is arranged on the valve seat 1;

the primary valve core 2 seals a liquid outlet 111 of the liquid outlet flow channel 11;

the secondary valve core 3 seals the liquid inlet 112 of the liquid outlet channel 11.

It should be noted that, in the present application, the valve seat 1, the first-stage valve element 2, and the second-stage valve element 3 form sealing at the liquid outlet 111 and the liquid inlet 112 of the liquid outlet flow channel 11, respectively, so as to obtain two-stage sealing treatment, and when the valve mechanism is opened, the second-stage valve element can be driven to move synchronously by only jacking up the first-stage valve element 2, so as to achieve two-stage sealing synchronous opening and synchronous closing.

Specifically, in the primary seal, an outlet seal ring 21 is disposed at a position where the primary valve element 2 and the liquid outlet 111 are sealed.

And, install the stop collar 22 of compressing tightly the said outlet seal 21 in the said outlet flow path 11, set up the said first class valve core 2 in the stop collar 22.

In addition, the primary valve core 2 is arranged in a spherical shape, and when the primary valve core 2 is matched with the outlet sealing ring 21 in a sealing mode, the secondary valve core 3 is abutted to press the primary valve core 2.

Preferably, a return elastic piece 23 for driving the primary valve core 2 to return is arranged above the primary valve core.

In the primary seal, the primary valve core 2 disposed in a spherical shape is pressed against the outlet seal ring 21 by the elastic pressure provided by the return elastic member 23 to form a seal.

Specifically, the shape of the primary valve core 2 in the present application is not limited to a spherical structure, and any structure that satisfies the line-surface interference seal of the present application is within the protection scope of the present application.

In addition, when setting up export sealing washer 21, this application directly utilizes stop collar 22 to extrude spacingly to export sealing washer 21, avoids export sealing washer 21 dislocation to remove in stop collar 22 directly one-level case 2, can be fine play spacing effect to one-level case 2.

Specifically, in the secondary sealing, an inlet sealing ring 30 is arranged at the installation position where the secondary valve core 3 is in sealing fit with the valve seat 1.

The secondary valve body 3 includes a valve disc 31 and an ejector rod 32;

a sealing boss 311 is convexly arranged at the position of the valve disc 31, which is matched with the inlet sealing ring 30 for sealing;

the push rod 32 is vertically arranged on the valve disc 31, and the push rod 32 is in interference fit with the primary valve core 2 below.

Furthermore, a return spring member 33 for driving the secondary valve core 3 to return is arranged above the secondary valve core.

Furthermore, a boss 34 for positioning and installing the return spring member 33 is provided on the secondary valve element 3 in a protruding manner.

It should be noted that, the ejector pin 32 of the second-stage valve core 3 and the first-stage valve core 2 are always abutted, when the first-stage valve core 2 is jacked, the second-stage valve core 3 is also jacked synchronously, and when the first-stage valve core 2 loses the jacking force, the first-stage valve core also can be reset through the reset spring part 33, and the first-stage valve core 2 and the inlet sealing ring 30 are matched and sealed through the convex sealing boss 311, and under the effect of the reset spring part 33, the first-stage valve core 2 can be better sealed with the inlet sealing ring 30.

It is further described that the return spring member 33 is mounted through a limit cap covering the upper portion thereof, so that the return spring member 33 compresses the secondary spool 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (10)

1. The utility model provides a dual seal valve mechanism for liquid storage container which characterized in that includes:

the valve comprises a valve seat (1), a primary valve core (2) and a secondary valve core (3);

the valve seat (1) is arranged at a liquid outlet at the bottom of the liquid storage container, and a liquid outlet flow channel (11) is arranged on the valve seat (1);

the primary valve core (2) and the secondary valve core (3) form a seal on the valve seat (1) respectively.

2. The double-sealing valve mechanism for a liquid storage container according to claim 1, wherein:

the primary valve core (2) seals a liquid outlet (111) of the liquid outlet runner (11);

the secondary valve core (3) seals the liquid inlet (112) of the liquid outlet flow channel (11).

3. The double-sealing valve mechanism for the liquid storage container according to claim 1, wherein:

an outlet sealing ring (21) is arranged at the sealing position of the primary valve core (2) and the liquid outlet (111).

4. The double-sealing valve mechanism for a liquid storage container according to claim 3, wherein:

and a limiting sleeve (22) for compressing the outlet sealing ring (21) is arranged in the liquid outlet flow channel (11), and the primary valve core (2) is arranged in the limiting sleeve (22).

5. The double-sealing valve mechanism for a liquid storage container according to claim 1, wherein:

and a reset elastic piece (23) for driving the primary valve core (2) to reset is arranged above the primary valve core.

6. A double sealing valve mechanism for a liquid storage container as defined in any one of claims 1 to 5, wherein:

and an inlet sealing ring (30) is arranged at the mounting position where the secondary valve core (3) is in sealing fit with the valve seat (1).

7. The double-sealing valve mechanism for a liquid storage container according to claim 6, wherein:

the secondary valve core (3) comprises a valve disc (31) and a push rod (32);

the valve disc (31) is arranged on the inlet sealing ring (30) in a sealing fit manner;

the ejector rod (32) is vertically arranged on the valve disc (31), and the ejector rod (32) is in interference fit with the primary valve core (2) below.

8. The double-sealing valve mechanism for a liquid storage container as recited in claim 7, wherein:

and a sealing boss (311) is convexly arranged at the matched sealing position of the valve disc (31) and the inlet sealing ring (30).

9. The double-sealing valve mechanism for a liquid storage container according to claim 6, wherein:

and a reset spring part (33) for driving the secondary valve core (3) to reset is arranged above the secondary valve core.

10. The double-sealing valve mechanism for a liquid storage container as recited in claim 9, wherein:

and a boss (34) used for positioning and installing the reset spring piece (33) is arranged on the secondary valve core (3) in a protruding mode.

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