Low-cost sealing cover of quick connector

Abstract

The utility model provides a low-cost sealing cover of a quick connector, which comprises an ultra-clean barrel, a mounting screw hole is formed in the outer wall of the top of the ultra-clean barrel, a sealing cover is mounted in the mounting screw hole, a dip tube is inserted into the inner wall of the bottom of the sealing cover, a first external thread is arranged on the outer wall of the sealing cover, and an internal screw hole is formed in the outer wall of the top of the sealing cover; an outer hexagonal disc is fixedly arranged on the outer wall of the top of the sealing cover in a sleeving mode, a plug cock is installed in the inner screw hole in a screwed mode, a second outer thread is formed in the outer wall of the plug cock, and a one-way sealing valve assembly and a sampling pump suction assembly are arranged in the plug cock. Through the arrangement of the one-way sealing valve assembly, in the screwing process of the plug cock on the sealing cover, the connecting rod and the pressing plate are driven to move downwards under the action of the spring, pressing sealing of the through hole is achieved, sealing of the sealing cover on the ultra-clean barrel is achieved, sealing of the sealing cover can be effectively relieved, and suction sampling of liquid stored in the ultra-clean barrel in the later period is facilitated; the structure of the outer hexagonal rod and the inner hexagonal hole plays a role of a special tool for integrally screwing the sealing cover.

Description

Technical Field

[0001] The utility model relates to the technical field of ultra-clean barrel sealing caps, in particular to a low-cost sealing cap for a quick connector. Background Art

[0002] A clean room barrel is a container or device designed to hold or provide extremely clean liquids. Clean room barrels are usually used in environments where pollution and microbial growth need to be strictly controlled, such as scientific research laboratories, semiconductor production, pharmaceutical manufacturing or biotechnology. Clean room barrels may have the following features: Aseptic design: Clean room barrels may be made of sterile materials, and strict disinfection measures are taken during the manufacturing process to ensure the sterility of the internal environment. Sealing performance: Clean room barrels usually have excellent sealing performance to prevent the entry of external contaminants. Filtration system: Clean room barrels may be equipped with a high-efficiency filtration system to remove particulate matter, microorganisms and other impurities in the liquid. Temperature control: In order to To maintain the stability of the liquid or meet specific process requirements, the clean barrel may be equipped with a temperature control system; Cleanliness monitoring: The clean barrel may be equipped with cleanliness monitoring equipment, such as a particle counter, to monitor the cleanliness of the internal environment; The barrel cover quick-connect system is an easy-to-use filling system for extracting chemicals from hard containers; The closed system design and sturdy structure design meet the stringent safety requirements during the chemical application process and are suitable for extreme operating environments. The barrel cover quick-connect system minimizes the exposure of chemicals to the air and enables the application of chemicals from large-capacity containers to the end-user; The barrel cover quick-connect system is composed of structures such as caps, plugs, and connectors.

[0003] However, the sealing structure of the existing clean barrel connector on the market is relatively simple, and it is impossible to achieve the sealing of the clean barrel cap, and the sealing structure cannot be unsealed to suck and sample the liquid stored in the clean barrel; the traditional sealing structure does not have a special screwing tool, and it is inconvenient to screw the cap and the plug. Therefore, we have made improvements to this and proposed a low-cost sealing cap with a quick connector. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the sealing structure of the existing ultra-clean barrel connector cannot realize the sealing of the sealing cover on the ultra-clean barrel, and the sealing structure cannot release the seal to suck and sample the liquid stored in the ultra-clean barrel; there is no special screwing tool, and it is inconvenient to screw the sealing cover and the plug.

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

[0006] A low-cost cover for quick connectors to improve the above problems.

[0007] The specific application is as follows:

[0008] It comprises an ultra-clean barrel, wherein a mounting screw hole is provided on the top outer wall of the ultra-clean barrel, a sealing cover is installed inside the mounting screw hole, a suction tube is inserted on the bottom inner wall of the sealing cover, a first external thread is provided on the outer wall of the sealing cover, an internal screw hole is provided on the top outer wall of the sealing cover, an external hexagonal disk is fixedly mounted on the top outer wall of the sealing cover, a plug is screwed inside the internal screw hole, a second external thread is provided on the outer wall of the plug, and a one-way sealing valve assembly and a sampling pump suction assembly are arranged inside the plug.

[0009] As a preferred technical solution of the present application, the one-way sealing valve assembly includes a bottom through groove opened on the bottom inner wall of the plug, an inner groove is opened on the top inner wall of the plug, a through hole is opened between the inner groove and the bottom through groove, a connecting rod is inserted into the through hole, the connecting rod passes through the inner groove and a pressure plate is fixed at one end, the connecting rod passes through the bottom through groove and a limiting plate is fixed at one end, and the connecting rod is located on the outer wall of one side of the limiting plate and is provided with a spring.

[0010] As a preferred technical solution of the present application, the sampling pump suction assembly includes a piston arranged inside the inner groove, a telescopic spring tube is arranged on the top of the piston, one end of the telescopic spring tube passes through the bottom of the piston, the top of the telescopic spring tube passes through the end of the stopcock and is connected to a pump liquid tube, an inner hexagonal hole is opened on the top outer wall of the stopcock, an outer hexagonal rod is inserted into the inner hexagonal hole, and an inner hexagonal disk is fixed on the top outer wall of the outer hexagonal rod.

[0011] As a preferred technical solution of the present application, a first step groove is provided on the top outer wall of the mounting screw hole, and a first sealing ring is provided inside the first step groove.

[0012] As a preferred technical solution of the present application, a second step groove is provided on the top outer wall of the inner screw hole, and a second sealing ring is mounted on the top outer wall of the plug.

[0013] As a preferred technical solution of the present application, the inner hexagonal hole and the outer hexagonal rod are matching components, and the inner hexagonal plate and the outer hexagonal plate are matching components.

[0014] As a preferred technical solution of the present application, a sealing gasket is fitted and connected to the bottom outer wall of the pressure plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the scheme of this application:

[0017] 1. Through the setting of the one-way sealing valve assembly, during the tightening process of the plug on the cover, the connecting rod and the pressure plate are driven downward by the action of the spring to achieve the pressure-holding seal of the through hole and the sealing of the cover on the clean barrel. The cover can effectively release the seal, which is beneficial to the later suction sampling of the liquid stored in the clean barrel;

[0018] 2. Through the setting of the sampling pump suction component, during the process of sampling the liquid stored in the ultra-clean barrel, the outer hexagonal rod is inserted into the inner hexagonal hole, and the outer hexagonal rod is pressed, thereby driving the piston to move downward in the inner groove. During the process, the telescopic spring tube is stretched to undergo elastic deformation, and then the piston is driven to move upward under the action of the telescopic spring tube. The centrifugal force generated by the upward movement of the piston overcomes the elastic force of the spring and drives the pressure plate to move upward, thereby releasing the pressure seal of the through hole. The centrifugal force generated by the reciprocating movement of the piston pumps the liquid stored in the ultra-clean barrel through the bottom through groove, and pumps it out through the telescopic spring tube and the pump liquid tube on the piston, thereby realizing the suction sampling of the liquid stored in the ultra-clean barrel;

[0019] 3. The above-mentioned outer hexagonal rod is inserted into the inner hexagonal hole, and the outer hexagonal rod is driven to rotate through the inner hexagonal plate. With the cooperation of the inner hexagonal hole, the plug can be driven to rotate. The inner hexagonal hole and the outer hexagonal plate can drive the cover to rotate. The outer hexagonal rod and the inner hexagonal hole structure play the role of a special tool for screwing the cover as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the overall three-dimensional structure of the low-cost cover of the quick connector provided in this application;

[0021] Figure 2 An enlarged view of the structure of region A in the low-cost cover of the quick connector provided in this application;

[0022] Figure 3 A schematic diagram of a three-dimensional cross-section structure of a low-cost closure plug for a quick connector provided in the present application;

[0023] Figure 4 An enlarged view of the structure of area B in the low-cost cover of the quick connector provided in this application;

[0024] Figure 5 This is an enlarged view of the structure of area C in the low-cost cover of the quick connector provided in this application.

[0025] Indicated in the figure:

[0026] 1. Ultra-clean barrel; 2. Mounting screw hole; 3. Sealing cover; 31. First external thread; 32. Internal screw hole; 4. Dip tube; 5. External hexagonal plate; 6. Plug; 7. Second external thread; 8. One-way sealing valve assembly; 9. Sampling pump suction assembly; 10. First step groove; 11. First sealing ring; 12. Second step groove; 13. Second sealing ring;

[0027] 801, bottom through groove; 802, inner groove; 803, through hole; 804, connecting rod; 805, pressing plate; 806, limiting plate; 807, spring;

[0028] 901, piston; 902, telescopic spring tube; 903, pump liquid tube; 904, inner hexagon hole; 905, outer hexagon rod; 906, inner hexagon disk. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The present embodiment proposes a low-cost closure for a quick connector, including an ultra-clean barrel 1, a mounting screw hole 2 is provided on the top outer wall of the ultra-clean barrel 1, a closure 3 is installed inside the mounting screw hole 2, a suction tube 4 is inserted on the bottom inner wall of the closure cap 3, a first external thread 31 is provided on the outer wall of the closure cap 3, an internal thread hole 32 is provided on the top outer wall of the closure cap 3, an external hexagonal disk 5 is fixed on the top outer wall of the closure cap 3, a plug 6 is screwed and installed inside the internal thread hole 32, and a second external thread 7 is provided on the outer wall of the plug 6, a one-way sealing valve assembly 8 and a sampling pump suction assembly 9 are arranged inside the plug 6, the closure cap 3 is screwed and installed on the barrel cover of the ultra-clean barrel 1 through the cooperation of the first external thread 31 and the mounting screw hole 2, and then the plug 6 is screwed and installed inside the closure cap 3 under the cooperation of the second external thread 7 and the internal thread hole 32, so as to realize the installation of the overall closure structure on the ultra-clean barrel 1.

[0035] As a preferred embodiment, on the basis of the above-mentioned method, further, the one-way sealing valve assembly 8 includes a bottom through groove 801 provided on the inner wall at the bottom of the plug 6, an inner groove 802 is provided on the inner wall at the top of the plug 6, a through hole 803 is provided between the inner groove 802 and the bottom through groove 801, a connecting rod 804 is inserted into the through hole 803, the connecting rod 804 passes through the inner groove 802 and a pressure plate 805 is fixed at one end, the connecting rod 804 passes through the bottom through groove 801 and a limiting plate 806 is fixed at one end, and a spring 807 is mounted on the outer wall of the connecting rod 804 on one side of the limiting plate 806. During the tightening process of the plug 6 on the cover 3, the connecting rod 804 and the pressure plate 805 are driven downward by the action of the spring 807 to achieve the pressure-holding seal of the through hole 803 and the sealing of the cover on the clean barrel 1, and the cover 3 can effectively release the seal to facilitate the later suction sampling of the liquid stored in the clean barrel 1.

[0036] As a preferred embodiment, on the basis of the above-mentioned method, further, the sampling pump suction component 9 includes a piston 901 arranged inside the inner groove 802, and a telescopic spring tube 902 is arranged on the top of the piston 901. One end of the telescopic spring tube 902 passes through the bottom of the piston 901, and the top of the telescopic spring tube 902 passes through the end of the outside of the stopcock 6 and is connected to a pump liquid tube 903. An inner hexagonal hole 904 is opened on the top outer wall of the stopcock 6, and an outer hexagonal rod 905 is inserted into the inner hexagonal hole 904. An inner hexagonal disk 906 is fixed on the top outer wall of the outer hexagonal rod 905. During the liquid storage sampling process in the clean barrel 1, the outer hexagonal rod 905 is inserted into the inner hexagonal hole 904, and the outer hexagonal rod 905 is pressed by the inner hexagonal disk 906, thereby driving the piston 901 to move downward in the inner groove 802 of the stopcock 6. During the process, the telescopic spring tube 902 is stretched to realize the telescopic spring tube 9 02 undergoes elastic deformation, and then the telescopic spring tube 902 drives the piston 901 to move upward. The centrifugal force generated by the upward movement of the piston 901 overcomes the elastic force of the spring 807 and drives the pressure plate 805 to move upward, thereby releasing the pressure-holding seal of the through hole 803. The centrifugal force generated by the reciprocating movement of the piston 901 pumps the liquid stored in the ultra-clean barrel 1 through the bottom through groove 801, and pumps it out through the telescopic spring tube 902 and the pump liquid tube 903 on the piston 901, thereby realizing the suction sampling of the liquid stored in the ultra-clean barrel 1; the above-mentioned external hexagonal rod 905 is inserted into the internal hexagonal hole 904, and the external hexagonal rod 905 is driven to rotate through the internal hexagonal disk 906. With the cooperation of the internal hexagonal hole 904, the plug 6 will be driven to rotate, and the cover 3 can be driven to rotate through the internal hexagonal hole 904 and the external hexagonal disk 5. The external hexagonal rod 905 and the internal hexagonal hole 904 structure play the role of a special tool for screwing the cover 3 as a whole.

[0037] As a preferred embodiment, on the basis of the above method, further, a first step groove 10 is opened on the top outer wall of the mounting screw hole 2, and a first sealing ring 11 is arranged inside the first step groove 10. The setting of the first sealing ring 11 ensures the sealing of the screwed installation of the cover 3 and the clean barrel 1.

[0038] As a preferred embodiment, based on the above method, further, a second step groove 12 is opened on the top outer wall of the internal screw hole 32, and a second sealing ring 13 is mounted on the top outer wall of the plug 6. The second sealing ring 13 ensures the sealing of the screw installation of the plug 6.

[0039] As a preferred embodiment, on the basis of the above method, further, the inner hexagonal hole 904 and the outer hexagonal rod 905 are matching components, the inner hexagonal disk 906 and the outer hexagonal disk 5 are matching components, and the outer hexagonal rod 905 and the inner hexagonal hole 904 structure play the role of a special tool for screwing the cover 3.

[0040] As a preferred implementation, based on the above-mentioned implementation, further, a sealing gasket is attached to the bottom outer wall of the pressing plate 805 to ensure that the pressing plate 805 presses and seals the through hole 803 .

[0041] Specifically, when the low-cost cover of the quick connector is working / in use: the cover 3 is screwed and installed on the barrel cover of the clean barrel 1 through the cooperation of the first external thread 31 and the installation screw hole 2, and then the plug 6 is screwed and installed inside the cover 3 with the cooperation of the second external thread 7 and the internal screw hole 32, so as to realize the installation of the overall cover structure on the clean barrel 1; under the action of the spring 807, the connecting rod 804 and the pressure plate 805 are driven to move downward, so as to realize the pressure holding and sealing of the through hole 803, and realize the sealing of the cover on the clean barrel 1; during the process of sampling the liquid stored in the clean barrel 1, the external hexagonal rod 905 is inserted into the internal hexagonal hole 904, and the external hexagonal rod 905 is pressed by the internal hexagonal disk 906, thereby driving the piston 901 to move downward in the inner groove 802 of the plug 6, and the telescopic spring tube 902 is stretched in the process to realize the elastic deformation of the telescopic spring tube 902, and then the telescopic spring tube 902 is stretched. The spring tube 902 drives the piston 901 to move upward. The centrifugal force generated by the upward movement of the piston 901 overcomes the elastic force of the spring 807 and drives the pressure plate 805 to move upward, thereby releasing the pressure seal of the through hole 803. The centrifugal force generated by the reciprocating movement of the piston 901 pumps the liquid stored in the clean barrel 1 through the bottom through groove 801, and pumps it out through the telescopic spring tube 902 and the pump liquid tube 903 on the piston 901, thereby realizing the suction sampling of the liquid stored in the clean barrel 1; the above-mentioned external hexagonal rod 905 is inserted into the internal hexagonal hole 904, and the external hexagonal rod 905 is driven to rotate through the internal hexagonal disk 906. With the cooperation of the internal hexagonal hole 904, the plug 6 will be driven to rotate, and the cover 3 can be driven to rotate through the internal hexagonal hole 904 and the external hexagonal disk 5. The external hexagonal rod 905 and the internal hexagonal hole 904 structure play the role of a special tool for screwing the cover 3 as a whole.

[0042] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A low-cost cover for quick connectors, It is characterized in that The invention comprises an ultra-clean barrel (1), wherein a mounting screw hole (2) is provided on the top outer wall of the ultra-clean barrel (1), a sealing cover (3) is installed inside the mounting screw hole (2), a suction tube (4) is inserted on the bottom inner wall of the sealing cover (3), a first external thread (31) is provided on the outer wall of the sealing cover (3), an internal thread hole (32) is provided on the top outer wall of the sealing cover (3), an external hexagonal disk (5) is fixedly mounted on the top outer wall of the sealing cover (3), a plug (6) is screwed inside the internal thread hole (32), a second external thread (7) is provided on the outer wall of the plug (6), and a one-way sealing valve assembly (8) and a sampling pump suction assembly (9) are arranged inside the plug (6).

2. A low-cost cover for a quick connector according to claim 1, It is characterized in that The one-way sealing valve assembly (8) comprises a bottom through groove (801) provided on the bottom inner wall of the plug (6); an inner groove (802) is provided on the top inner wall of the plug (6); a through hole (803) is provided between the inner groove (802) and the bottom through groove (801); a connecting rod (804) is inserted into the through hole (803); the connecting rod (804) passes through the inner groove (802) and has a pressure plate (805) fixed at one end; the connecting rod (804) passes through the bottom through groove (801) and has a limiting plate (806) fixed at one end; and a spring (807) is sleeved on the outer wall of the connecting rod (804) on one side of the limiting plate (806).

3. A low-cost cover for a quick connector according to claim 2, It is characterized in that The sampling pump suction assembly (9) includes a piston (901) arranged inside the inner groove (802), a telescopic spring tube (902) is arranged on the top of the piston (901), one end of the telescopic spring tube (902) passes through the bottom of the piston (901), the top of the telescopic spring tube (902) passes through the outside of the stopcock (6) and is connected to a pump liquid tube (903), an inner hexagonal hole (904) is opened on the top outer wall of the stopcock (6), an outer hexagonal rod (905) is inserted into the inner hexagonal hole (904), and an inner hexagonal disk (906) is fixed on the top outer wall of the outer hexagonal rod (905).

4. A low-cost cover for a quick connector according to claim 1, It is characterized in that A first step groove (10) is provided on the top outer wall of the mounting screw hole (2), and a first sealing ring (11) is provided inside the first step groove (10).

5. A low-cost cover for a quick connector according to claim 1, It is characterized in that A second step groove (12) is provided on the top outer wall of the inner screw hole (32), and a second sealing ring (13) is sleeved on the top outer wall of the cock (6).

6. A low-cost cover for a quick connector according to claim 3, It is characterized in that The inner hexagonal hole (904) and the outer hexagonal rod (905) are matching components, and the inner hexagonal plate (906) and the outer hexagonal plate (5) are matching components.

7. A low-cost cover for a quick connector according to claim 2, It is characterized in that A sealing gasket is fitted and connected to the outer wall of the bottom of the pressing plate (805).

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