Liquid outlet double-seal valve mechanism of liquid storage container

Abstract

The utility model provides a liquid outlet double-seal valve mechanism of a liquid storage container, which comprises a valve seat, and a liquid inlet and a liquid outlet are arranged on the valve seat. The limiting piece is arranged on the top of the valve seat, the first-stage sealing assembly is installed in the valve seat in a sliding mode, the second-stage sealing assembly is installed in the first-stage sealing assembly, and the first-stage sealing assembly and the second-stage sealing assembly seal the liquid outlet. Through mutual cooperation of the first-stage sealing assembly and the second-stage sealing assembly, a liquid medicine flowing channel is sequentially opened, double-end-face sealing of the liquid medicine flowing channel is achieved, efficient sealing is achieved, meanwhile, high-stability sealing is achieved, liquid leakage is prevented, and the technical problem that in the prior art, leakage is likely to happen due to single-sealing failure is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of Chinese medicine decoction, in particular to a liquid storage container liquid outlet double sealing valve mechanism. Background Art

[0002] During the decoction process of traditional Chinese medicine, the decoction solution needs to be transferred. By setting a valve mechanism on the decoction pot or the medicine storage barrel, the medicine solution can be transferred quickly and conveniently.

[0003] Most of the existing technologies use a single sealing structure. After the sealing structure ages and fails, the technical problem of liquid leakage is prone to occur. In order to solve this technical problem, the applicant proposed a double sealing valve mechanism for the liquid outlet of a liquid storage container. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies of the prior art and provide a double-sealed valve mechanism for liquid discharge from a liquid storage container. The primary sealing component and the secondary sealing component cooperate with each other to sequentially open the liquid flow channel, achieve double-end face sealing of the liquid flow channel, and thereby achieve efficient sealing while achieving highly stable sealing to prevent liquid leakage, thereby solving the technical problem in the prior art that single seal failure is prone to leakage.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A double-sealed valve mechanism for liquid outlet of a liquid storage container, comprising a valve seat, wherein the valve seat is provided with a liquid inlet and a liquid outlet, and is characterized in that it also comprises a limiter arranged on the top of the valve seat, a primary sealing component slidably mounted inside the valve seat, and a secondary sealing component mounted inside the primary sealing component, wherein the primary sealing component and the secondary sealing component seal the liquid outlet.

[0007] As an improvement, a positioning step is provided above the liquid outlet.

[0008] As an improvement, a first sealing member is provided on the positioning step, and the bottoms of the primary sealing assembly and the secondary sealing assembly are in contact and sealed with the upper end surface of the first sealing member.

[0009] As an improvement, a line contact seal is formed between the bottom of the primary sealing component and the secondary sealing component and the upper end surface of the first sealing member.

[0010] As an improvement, the primary sealing assembly includes: a first dynamic seal slidably arranged inside the valve seat and a first reset member abutting against the top of the first dynamic seal; the upper end of the first reset member abuts against the top of the limit member.

[0011] As an improvement, the longitudinal section of the first dynamic seal is an inverted U-shaped structure, and a sealing surface with an arc-shaped structure is provided at the bottom.

[0012] As an improvement, the secondary sealing assembly includes: a second dynamic seal slidably arranged in the primary sealing assembly and a second return member abutting against the top of the second dynamic seal; the upper end of the second return member abuts against the top of the first dynamic seal.

[0013] As an improvement, the longitudinal section of the second dynamic seal is an inverted U-shaped structure, with a protrusion on the top.

[0014] As an improvement, a sealing surface is provided at the bottom of the second dynamic seal, and the sealing surface has a circular structure.

[0015] As an improvement, a liquid outlet channel is formed between the limit member and the valve seat, and a plurality of liquid inlet openings are formed on the side of the limit member.

[0016] As an improvement, a plurality of liquid outlet openings are provided on the side wall of the bottom liquid outlet of the valve seat.

[0017] The beneficial effects of the utility model are:

[0018] (1) The utility model forms a double-end face sealing structure by using the primary sealing component and the secondary sealing component to work together on the positioning step in the valve seat, thereby solving the technical problem of easy leakage of radial sealing in the prior art;

[0019] (2) The utility model blocks the liquid flow channel by the first dynamic seal, and after the liquid on one side of the liquid outlet channel of the first dynamic seal at the bottom of the valve mechanism is completely discharged, the second dynamic seal blocks the liquid flow channel again, thereby achieving double sealing and preventing the liquid from being retained inside the valve;

[0020] (3) The utility model realizes end face sealing by setting a first sealing member located at the liquid outlet and cooperating with the two-stage sealing. At the same time, radial sealing is realized by the first sealing member during the connection process between the valve mechanism and other containers.

[0021] In summary, the utility model has the advantages of good sealing, compact structure, and low leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a cross-sectional schematic diagram of the valve seat structure of the utility model;

[0024] Figure 3 It is a schematic cross-sectional view of the utility model as a whole;

[0025] Figure 4 This is a schematic diagram of the structure of the valve seat and the first sealing component of the utility model;

[0026] Figure 5 For this utility model Figure 3 A partial enlarged schematic diagram

[0027] Figure 6 This is a schematic diagram of the second sealing component of the utility model in an open state;

[0028] Figure 7 This is a schematic diagram of the first sealing component and the second sealing component of the utility model in the open state. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0031] Example

[0032] like Figure 1-7 As shown, this embodiment provides a double-sealed valve mechanism for liquid discharge from a liquid storage container, including a valve seat 1, wherein a liquid outlet 12 is provided at the bottom of the valve seat 1, a liquid inlet 11 is provided at the top thereof, and a plurality of openings for the circulation of liquid medicine are provided on the side wall of the liquid inlet 11, and further includes a mounting plate 2, a limiter 3 provided on the top of the valve seat 1, a primary sealing component 4 slidably mounted inside the valve seat 1, and a secondary sealing component 5 installed inside the primary sealing component 4, wherein the primary sealing component 4 and the secondary sealing component 5 seal the liquid outlet 12.

[0033] Preferably, the limit member 3 and the valve seat 1 are fixedly connected to the mounting plate 2 via fasteners, and a sealing ring 6 is provided between the valve seat 1 and the mounting plate 2 .

[0034] It should be noted that the mounting plate 2 is the container wall / bottom where the valve mechanism needs to be installed, such as the bottom of a decoction container, the bottom of a liquid storage barrel, etc.

[0035] Preferably, a positioning step 13 is provided above the liquid outlet 12 for forming a sealing contact surface with the primary sealing component 4 and the secondary sealing component 5 .

[0036] Furthermore, a first sealing member 14 is disposed on the positioning step 13 , and the bottoms of the primary sealing component 4 and the secondary sealing component 5 are in contact with the upper end surface of the first sealing member 14 .

[0037] Preferably, a line contact seal is formed between the bottom of the primary sealing component 4 and the secondary sealing component 5 and the upper end surface of the first sealing member 14 .

[0038] Preferably, the first sealing member 14 is clamped at the inner diameter of the liquid outlet 12 and wraps the outer side of the positioning step 13 to improve the stability of the first sealing member 14 and prevent the position of the first sealing member 14 from loosening.

[0039] Preferably, a positioning groove 16 is provided on the inner wall of the valve seat 1 at the positioning step 13 , and the outer circumference of the upper end of the first sealing member 14 is clamped in the positioning groove 16 , further improving the stability of the first sealing member 14 .

[0040] In addition, the first sealing member 14 is disposed at the inner diameter of the liquid outlet 12 to achieve radial sealing at the connection when other connection structures are connected to the valve mechanism.

[0041] Preferably, the primary sealing assembly 4 comprises: a first dynamic seal 41 slidably disposed inside the valve seat 1 and a first reset member 42 abutting against the top of the first dynamic seal 41; the upper end of the first reset member 42 abuts against the top of the stop member 3. The first reset member 42 is preferably a spring, but is not limited to a spring.

[0042] A liquid outlet channel 15 is formed between the first dynamic seal 41 and the valve seat 1 ; after the primary sealing component 4 and the secondary sealing component 5 are all in contact and sealed, the liquid flows through the liquid outlet channel 15 to the liquid outlet 12 for discharge.

[0043] Furthermore, the longitudinal section of the first dynamic seal 41 is an inverted U-shaped structure, and a sealing surface with an arc-shaped structure is provided at the bottom.

[0044] It should be noted that the first restoring member 42 acts on the upper end of the first dynamic seal 41 so that when no external force is applied, the sealing surface of the first dynamic seal 41 always abuts against the upper surface of the first seal 14 to form a primary end face seal.

[0045] Preferably, the secondary sealing assembly 5 includes: a second dynamic seal 51 slidably arranged in the primary sealing assembly 4 and a second return member 52 abutting against the top of the second dynamic seal 51; the upper end of the second return member 52 abuts against the top of the first dynamic seal 41; the second return member 52 is preferably a spring, but is not limited to a spring.

[0046] Furthermore, the longitudinal section of the second dynamic seal 51 is an inverted U-shaped structure, and a protrusion 511 is provided on the top thereof. When the second dynamic seal 51 is lifted upward, the protrusion 511 drives the first dynamic seal 41 to move upward synchronously, thereby realizing the sequential opening of the second dynamic seal 51 and the first dynamic seal 41.

[0047] Preferably, a sealing surface is provided at the bottom of the second dynamic seal 51, and the sealing surface has a circular structure.

[0048] It should be noted that the second reset member 52 acts on the upper end of the second dynamic seal 51, so that when there is no external force, the sealing surface of the second dynamic seal 51 always abuts against the upper surface of the first seal 14 to form a secondary end face seal; through the combination of the primary end face seal and the secondary end face seal, the sealing performance of the valve mechanism is greatly improved, and the technical problem of liquid leakage in the waste discharge state is prevented;

[0049] At the same time, if Figure 6-7 As shown, during the opening process, the secondary sealing component 5 first releases the seal, and then continues to push upward to drive the primary sealing component 4 to release the seal, and the liquid is discharged along the liquid outlet 12;

[0050] During the valve closing process, the primary sealing component 4 is first reset to a closed state to cut off the flow of liquid, allowing the liquid inside the valve body to continue to be discharged, and then the secondary sealing component 5 returns to a sealed state to prevent liquid from remaining in the valve body. Through the cooperation of the primary sealing component 4 and the secondary sealing component 5, double-end face sealing is achieved.

[0051] As an improvement, a liquid outlet channel is formed between the limiting member 3 and the valve seat 1 , and a plurality of liquid inlet openings 31 are provided on the side of the limiting member 3 .

[0052] Preferably, a plurality of liquid outlet openings 121 are formed on the side wall of the bottom liquid outlet 12 of the valve seat 1 .

[0053] It should be noted that the liquid medicine enters the liquid channel through the liquid inlet opening 31 and flows into the liquid inlet 11 , and flows out through the liquid outlet 12 of the valve seat 1 , and the liquid outlet opening 121 provided at the liquid outlet 12 increases the liquid discharge efficiency.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double sealing valve mechanism for liquid storage container, comprising a valve seat, wherein the valve seat is provided with a liquid inlet and a liquid outlet, characterized in that: It also includes a limiter arranged on the top of the valve seat, a primary sealing component slidably installed inside the valve seat, and a secondary sealing component installed in the primary sealing component. The primary sealing component and the secondary sealing component seal the liquid outlet.

2. A liquid storage container liquid outlet double sealing valve mechanism according to claim 1, characterized in that: A positioning step is provided above the liquid outlet.

3. A liquid storage container liquid outlet double sealing valve mechanism according to claim 2, characterized in that: A first sealing member is disposed on the positioning step, and the bottoms of the primary sealing assembly and the secondary sealing assembly are in contact and sealed with the upper end surface of the first sealing member.

4. A liquid storage container liquid outlet double sealing valve mechanism according to claim 3, characterized in that: A line contact seal is formed between the bottom of the primary sealing component and the secondary sealing component and the upper end surface of the first sealing member.

5. A liquid storage container liquid outlet double sealing valve mechanism according to any one of claims 1 to 4, characterized in that: The primary sealing assembly comprises: a first dynamic seal slidably arranged inside the valve seat and a first reset member abutting against the top of the first dynamic seal; the upper end of the first reset member abuts against the top of the limiting member.

6. A liquid storage container liquid outlet double sealing valve mechanism according to claim 5, characterized in that: The longitudinal section of the first dynamic seal is an inverted U-shaped structure, and a sealing surface with an arc-shaped structure is provided at the bottom.

7. A liquid storage container liquid outlet double sealing valve mechanism according to any one of claims 1 to 4, characterized in that: The secondary sealing component comprises: a second dynamic seal slidably arranged in the primary sealing component and a second restoring member abutting against the top of the second dynamic seal; the upper end of the second restoring member abuts against the top of the first dynamic seal.

8. A liquid storage container liquid outlet double sealing valve mechanism according to claim 7, characterized in that: The longitudinal section of the second dynamic seal is an inverted U-shaped structure, with a protrusion on the top and a sealing surface on the bottom, and the sealing surface is a circular structure.

9. A liquid storage container liquid outlet double sealing valve mechanism according to any one of claims 1 to 4, characterized in that: A liquid outlet channel is formed between the limiting member and the valve seat, and a plurality of liquid inlet openings are formed on the side surface of the limiting member.

10. A liquid storage container liquid outlet double sealing valve mechanism according to any one of claims 1 to 4, characterized in that: The side wall of the bottom liquid outlet of the valve seat is provided with a plurality of liquid outlet openings.

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