Quick connector structure

Abstract

The utility model discloses a quick connector structure which comprises a quick connector body, a first adapter, an internal thread ball valve, a second adapter and a sealing washer. The quick connector body, the first adapter, the internal thread ball valve and the second adapter are in threaded connection in sequence; the sealing washer is arranged at the joint of the end face of the first adapter and the end face of the second adapter so as to be attached to the end face of the quick connector body and the end face of the internal thread ball valve in an extrusion mode. The utility model relates to the technical field of packaging barrels, the sealing washers are arranged at the end face connecting positions of two adjacent connecting parts, sealing is achieved through the extrusion effect of threads, and due to the fact that the sealing washers are integrally formed, no residue is left after replacement is completed, and the sealing effect is good. Therefore, the purposes that the sealing performance is guaranteed, replacement is convenient, and materials cannot be polluted due to residues after replacement are achieved.

Description

Technical Field

[0001] The utility model relates to the field of packaging barrels, in particular to a quick joint structure. Background Art

[0002] During the loading process of the packaging barrel, the joint structure is usually required to guide the material, that is, the material is output from the input end to the pipe opening of the joint structure, and then input into the packaging barrel from the pipe opening to complete the loading operation.

[0003] In the prior art, in order to prevent the material from being contaminated by external factors during the transmission process, it is usually necessary to perform sealing operations at the joints of the joint structure. At present, the joints of the traditional packaging barrel joint structure use raw tape to improve the tightness of the threaded connection, thereby correspondingly improving the sealing performance. However, research has found that when the raw tape needs to be replaced due to long-term use, the aged raw tape will adhere to the threaded outer wall of the pipe fittings (such as conversion joints and other components) due to its own viscosity, thus forming residues that are difficult to fully remove. Therefore, there is a possibility that the raw tape and the material will be contaminated during subsequent loading operations.

[0004] Therefore, a quick connector structure is needed to solve the above problems. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art; to this end, the utility model proposes a quick connector structure to ensure the sealing performance of the connection while facilitating quick replacement and ensuring that no contamination is caused to the material after the replacement is completed. The utility model arranges a sealing gasket, and the sealing gasket is arranged at the end surface connection of two adjacent connecting parts, and utilizes the extrusion effect of the thread to achieve sealing. Since the sealing gasket is an integrated molding arrangement, no residue will be left after the replacement is completed, thereby achieving the purpose of ensuring sealing performance, facilitating replacement, and not contaminating the material due to residue after replacement.

[0006] To achieve the above-mentioned object, the first aspect of the utility model provides a quick connector structure, including a quick connector body, a first adapter, an internally threaded ball valve, a second adapter and a sealing gasket;

[0007] The quick connector body, the first adapter, the internally threaded ball valve and the second adapter are threadedly connected in sequence;

[0008] The sealing gasket is arranged at the end surface connection of the first adapter and the second adapter to be pressed and fitted with the end surface of the quick connector body and the end surface of the internal threaded ball valve respectively.

[0009] Furthermore, an annular groove is provided at the end surface connection of the first adapter and the second adapter;

[0010] The sealing gasket is embedded in the annular groove.

[0011] Furthermore, a protrusion is extended outwardly from one side of the sealing gasket that is in contact with the quick connector body or the internally threaded ball valve;

[0012] There are a plurality of protrusions, all of which surround and form a closed curved surface, and a cavity is formed between two adjacent protrusions.

[0013] Furthermore, when the plurality of protrusions are in contact with the quick connector body or the end surface of the internally threaded ball valve, a plurality of sealing pairs are formed.

[0014] Furthermore, the protrusion is configured as an annular structure, and the annular structure and the sealing gasket are coaxially configured.

[0015] Furthermore, the cross section of the protrusion gradually tilts outward.

[0016] Furthermore, the inclination directions of two adjacent protrusions are opposite, so that the cross section of the chamber forms a trapezoidal structure.

[0017] Furthermore, the sealing gasket is configured as a polytetrafluoroethylene gasket.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] By setting a sealing gasket and setting it at the end face connection of two adjacent connecting parts, sealing is achieved by utilizing the extrusion effect of the thread. Since the sealing gasket is an integrated molding setting, there will be no residue after replacement, thereby achieving the purpose of ensuring sealing performance, facilitating replacement, and preventing materials from being contaminated by residue after replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic structural diagram of a quick connector structure in one embodiment of the utility model;

[0022] Figure 2 It is a structural exploded diagram of a first adapter and a sealing gasket of a quick connector structure in one embodiment of the utility model;

[0023] Figure 3It is a partial cross-sectional view of a quick connector structure in one embodiment of the utility model;

[0024] Figure 4 It is a partial cross-sectional view of a quick connector structure in another embodiment of the utility model;

[0025] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle;

[0026] Figure 6 This is a schematic structural diagram of a sealing gasket of a quick connector structure in another embodiment of the utility model.

[0027] Figure Number:

[0028] 1. Quick connector body; 2. First adapter; 3. Internally threaded ball valve; 4. Internally threaded ball valve; 5. Sealing gasket; 6. Annular groove; 7. Protrusion. DETAILED DESCRIPTION

[0029] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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] Embodiment 1

[0031] See also Figures 1 to 3 A first embodiment of the utility model provides a quick connector structure, including a quick connector body 1, a first adapter 2, an internally threaded ball valve 3, a second adapter 4 and a sealing gasket 5.

[0032] Among them, the quick connector body 1, the first adapter 2, the internal threaded ball valve 3 and the second adapter 4 are threadedly connected in sequence to form a quick connector structure. Since the connection is easily disturbed by external factors, there is a risk of contamination when the material passes through the quick connector structure, so a sealing operation is required.

[0033] Specifically, the sealing gasket 5 is arranged at the end surface connection of the first adapter 2 and the second adapter 4, so as to be pressed and fitted with the end surface of the quick connector body 1 and the end surface of the internal thread ball valve 3, respectively. That is, by arranging the sealing gasket 5, the connection between the quick connector body 1 and the first adapter 2, between the first adapter 2 and the internal thread ball valve 3, and between the internal thread ball valve 3 and the second adapter 4 is sealed to prevent foreign impurities from entering the interior of the device through the gap at the connection, thereby causing material contamination.

[0034] It should be noted that the present device adopts an integrally formed sealing gasket 5, so when it is replaced after long-term use, the sealing gasket 5 can be completely peeled off from the first adapter 2 and the second adapter 4 by pulling out or cutting. Therefore, compared with the method of using raw tape to achieve sealing in the prior art, the present device is simple to disassemble and will not have any residue after disassembly. Correspondingly, it can also avoid the situation where the material is contaminated by the residual influence. Therefore, while ensuring the sealing performance of the connection, it is also convenient for quick replacement and ensures that the material will not be contaminated after the replacement is completed.

[0035] In this embodiment, in order to facilitate the installation of the sealing gasket 5 on the first adapter 2 and the second adapter 4, and to effectively ensure that the sealing gasket 5 will not be bent or stacked after the installation is completed to affect the sealing effect, the first adapter 2 and the second adapter 4 are further limited here.

[0036] Specifically, the end surface connection of the first adapter 2 and the second adapter 4 is provided with an annular groove 6, and the sealing gasket 5 is embedded in the annular groove 6. That is, the annular groove 6 is provided to limit the sealing gasket 5, so that the sealing gasket 5 is interference-engaged on the end surface outer wall of the first adapter 2 and the second adapter 4, waiting for the subsequent threaded connection between the components, and the sealing gasket 5 is deformed by the extrusion force formed by the threaded connection, so as to achieve the sealing treatment of the connection.

[0037] Embodiment 2

[0038] See also Figures 4 to 6 This embodiment further limits the shape of the sealing gasket 5 on the basis of the first embodiment, so as to further improve the sealing performance of the sealing gasket 5 when used.

[0039] Specifically, a protrusion 7 is extended outwardly from one side of the sealing gasket 5 that is in contact with the quick connector body 1 or the internally threaded ball valve 3 .

[0040] There are multiple protrusions 7 , all of which surround and form a closed curved surface, and a cavity is formed between two adjacent protrusions 7 .

[0041] When the plurality of protrusions 7 are in contact with the quick connector body 1 or the end surface of the internally threaded ball valve 3, a plurality of sealing pairs are formed. Thus, a multi-level sealing inside and outside the connection is achieved through the plurality of sealing pairs, thereby achieving the purpose of improving the sealing effect.

[0042] It should be particularly noted that the protrusion 7 is configured as an annular structure, and the annular structure and the sealing gasket 5 are coaxially configured to facilitate processing and forming the sealing gasket 5 with multiple annular protrusions 7 .

[0043] In other embodiments, the cross-section of the protrusion 7 is gradually inclined outward, so that when the sealing gasket 5 is squeezed, the protrusion 7 can be deformed in an inclined upward or downward direction. Since the protrusion 7 and the sealing gasket 5 are integrally formed, it has a certain reset elastic force. Therefore, when the protrusion 7 is squeezed and deformed, it can reset itself in the direction opposite to its deformation, so that the tip of the protrusion 7 is tightly attached to the extrusion surface (i.e., the end face of the quick connector body 1 or the end face of the internal threaded ball valve 3), thereby further improving the sealing effect.

[0044] In this embodiment, the inclination directions of two adjacent protrusions 7 are opposite, so that the cross-section of the chamber forms a trapezoidal structure. By arranging the protrusions 7 in an up-and-down staggered manner, external impurities can be intercepted at multiple levels. Therefore, when the impurities rely solely on gravity, they will be intercepted by the protrusions 7 to further improve the sealing performance.

[0045] Among them, the sealing gasket 5 is set as a polytetrafluoroethylene gasket. Since the polytetrafluoroethylene gasket has the characteristics of high temperature resistance, low temperature resistance, corrosion resistance, weather resistance, high lubricity, non-adhesion and non-toxicity, it can effectively ensure the sealing performance while being easy to disassemble and will not leave any residue after disassembly and replacement, thereby effectively preventing the situation in which the residue formed by the replacement contaminates the material input into the packaging barrel, thereby improving the safety of material output.

[0046] The above embodiments are only used to illustrate the technical method of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical method of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A quick connector structure, characterized in that: It comprises a quick connector body (1), a first adapter (2), an internally threaded ball valve (3), a second adapter (4) and a sealing gasket (5); The quick connector body (1), the first adapter (2), the internally threaded ball valve (3) and the second adapter (4) are threadedly connected in sequence; The sealing gasket (5) is arranged at the end surface connection of the first adapter (2) and the second adapter (4) to be pressed and fitted with the end surface of the quick connector body (1) and the end surface of the internally threaded ball valve (3) respectively.

2. The quick connector structure according to claim 1, characterized in that: An annular groove (6) is provided at the end surface connection of the first adapter (2) and the second adapter (4); The sealing gasket (5) is embedded in the annular groove (6).

3. The quick connector structure according to claim 1, characterized in that: The side of the sealing gasket (5) that is in contact with the quick connector body (1) or the internally threaded ball valve (3) has a protrusion (7) extending outward; A plurality of protrusions (7) are provided, and all of them surround and form a closed curved surface, and a chamber is formed between two adjacent protrusions (7).

4. The quick connector structure according to claim 3, characterized in that: When the plurality of protrusions (7) are in contact with the quick connector body (1) or with the end surface of the internally threaded ball valve (3), a plurality of sealing pairs are formed.

5. The quick connector structure according to claim 3, characterized in that: The protrusion (7) is configured as an annular structure, and the annular structure and the sealing gasket (5) are coaxially configured.

6. The quick connector structure according to claim 3, characterized in that: The cross section of the protrusion (7) gradually inclines toward the outside.

7. The quick connector structure according to claim 6, characterized in that: The inclination directions of two adjacent (7) are opposite, so that the cross section of the chamber forms a trapezoidal structure.

8. The quick connector structure according to any one of claims 1 to 7, characterized in that: The sealing gasket (5) is configured as a polytetrafluoroethylene gasket.

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