Filling connecting structure

By designing a filling connection structure using an adapter block and a limiting plate, the problem of air bubbles affecting the adhesive mixing ratio when manually pouring adhesive into the tube was solved, achieving efficient and stable adhesive filling and testing.

CN223605830UActive Publication Date: 2025-11-28WUXI BOJIN POLYMER RES & DEV CO LTD
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Patent Information

Application Number
CN202423083585.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-28
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

In existing technologies, manually pouring viscous liquids into the adhesive tube can easily introduce air bubbles, affecting the mixing ratio and quality of the two-component adhesive and leading to inaccurate testing.

Method used

A filling connection structure was designed, including a connector, a hose, and an adapter. The product in the glue cylinder is transported into the hose through the adapter block and the limiting plate. The pressure of the glue cylinder is used to reduce the generation of air bubbles and improve filling efficiency and stability.

Benefits of technology

This reduces the generation of air bubbles, ensures accurate mixing ratios for two-component adhesives, and improves adhesive quality and testing accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a filling connecting structure which is applied to the field of filling and comprises a connecting seat, a rubber tube is arranged on the connecting seat, a first filling hole communicated with the rubber tube is formed in the connecting seat, and a switching device used for conveying a product in a rubber cylinder into the rubber tube is arranged in the first filling hole. The device has the technical effects that when a product in a glue cylinder needs to be injected into a glue pipe, a glue solution product is injected into the glue pipe from the switching device through the pressure of the glue cylinder, bubbles generated when the product is directly injected in the related technology are reduced, and therefore the possibility that the bubbles affect the fixed mixing proportion of a two-component adhesive is reduced, and the production efficiency is improved. And the quality of the double-component adhesive is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of filling technology, in particular to a filling connection structure. BACKGROUND

[0002] Filling is a process of filling liquid, semi-fluid or paste into a specific container.

[0003] The two-component adhesive is usually designed as a fixed volume ratio, and then injected into the glue pipe through one-side glue filling or double-side glue filling. In the related art, the product is stored in the glue cylinder, and the product is manually introduced into the glue pipe from the tail of the piston glue pipe.

[0004] Because the viscosity of the product varies, the above-mentioned manually pouring the liquid with large thixotropy or viscosity from the tail of the glue pipe cannot smoothly flow, and a large amount of air bubbles is introduced into the glue liquid during the pouring process. The existence of the air bubbles affects the fixed mixing ratio of the two-component adhesive, thereby reducing the quality of the two-component adhesive and affecting the accuracy and structure judgment of subsequent testing of the two-component adhesive. SUMMARY

[0005] In order to help solve the problem in the related art that the product with large thixotropy or viscosity is manually poured into the glue pipe, the glue liquid cannot smoothly flow, a large amount of air bubbles is introduced into the glue liquid during the pouring process, and the air bubbles affect the fixed mixing ratio of the two-component adhesive, thereby reducing the quality of the two-component adhesive and affecting the accuracy and structure judgment of subsequent testing of the two-component adhesive, the application provides a filling connection structure, which adopts the following technical scheme: a connecting seat is arranged, a glue pipe is arranged on the connecting seat, a first filling hole communicating with the glue pipe is formed in the connecting seat, and an adapter device for conveying the product in a glue cylinder into the glue pipe is arranged in the first filling hole.

[0006] In a specific implementation, the adapter device comprises an adapter block, a filling block matched with the first filling hole is arranged on the adapter block, the filling block is inserted into the first filling hole, a second filling hole communicating with the glue cylinder and the first filling hole is formed in the filling block, and a fixing unit for fixing the adapter block on the connecting seat is arranged on the connecting seat.

[0007] In a specific implementation, the fixing unit comprises a fixing block, a threaded groove is formed in the fixing block, the connecting seat is threadedly connected in the threaded groove, a placement groove matched with the adapter block is formed in the groove bottom of the threaded groove, the adapter block is inserted into the placement groove, and a threaded hole for being connected with the glue cylinder is formed in the groove bottom of the placement groove.

[0008] In a specific implementation, the outer edge of the fixing block is provided with a plurality of installation flats arranged oppositely.

[0009] In one specific implementation, the installation flat is provided with a chamfer.

[0010] In one specific implementation, the first filling hole is provided with a limiting plate, the adapter block is provided with a limiting hole matched with the limiting plate, and the limiting plate is inserted into the limiting hole.

[0011] In one specific implementation, the limiting plate is provided with a guide slope at an end away from the connecting seat.

[0012] In one specific implementation, when the number of rubber tubes is two, the limiting plate divides the first filling hole into two semicircular holes, the two semicircular holes correspond to the two rubber tubes respectively, and the two filling blocks are semicircular to match the semicircular holes.

[0013] In one specific implementation, the second filling hole is semicircular in cross section.

[0014] In one specific implementation, the adapter block is made of aluminum, copper or stainless steel.

[0015] In summary, the present application has at least the following beneficial technical effects: when the product in the glue cylinder needs to be injected into the rubber tube, the glue product is injected into the rubber tube from the adapter device by the pressure of the glue cylinder, the air bubbles generated when the product is directly filled in the related art are reduced, the possibility that the air bubbles affect the fixed proportion of the two-component adhesive mixture is reduced, and the quality of the two-component adhesive is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application

[0017] Figure 2 is an exploded schematic diagram of the embodiment of the present application.

[0018] Figure 3 is a cross-sectional schematic diagram of the fixing block of the embodiment of the present application.

[0019] Reference signs: 1, connecting seat; 2, rubber tube; 3, first filling hole; 4, adapter block; 5, filling block; 6, second filling hole; 7, threaded groove; 8, placing groove; 9, threaded hole; 10, installation flat; 11, chamfer; 12, limiting plate; 13, limiting hole; 14, guide slope; 15, fixing block. DETAILED DESCRIPTION

[0020] The following will be described in detail in combination with the accompanying Figures 1-3 The present application will be further described in detail.

[0021] The embodiment of the present application discloses a filling connection structure.

[0022] Referring to Figure 1 and Figure 2 , the filling connection structure comprises a connecting seat 1, a plastic rubber tube 2 is arranged on the connecting seat 1, the rubber tube 2 in the embodiment of the application adopts the existing technology of the piston rubber tube 2, a first filling hole 3 communicated with the rubber tube 2 is arranged on the connecting seat 1, and an adapter device for conveying the product in the rubber cylinder into the rubber tube 2 is arranged in the first filling hole 3. In the embodiment of the application, two rubber tubes 2 are arranged on the connecting seat 1, and one-side glue filling is taken as an example for description, the volume ratio of the two rubber tubes 2 can be set according to actual use requirements, so that the two-component adhesive (polyurethane, epoxy or silicone glue, etc.) can be filled on one side from the opening end of the rubber tube 2, and the other rubber tube 2 is not contaminated, and meanwhile, according to the actual use requirements on site, it can also be designed as double branch, that is, the opening ends of the two rubber tubes 2 are filled on both sides at the same time.

[0023] Therefore, when the product in the rubber cylinder needs to be injected into the rubber tube 2, the glue liquid product is conveyed from the adapter device to the rubber tube 2 through the pressure of the rubber cylinder, the air bubbles in the related art when the product is directly filled are reduced, so as to reduce the possibility that the air bubbles affect the fixed proportion of the two-component adhesive mixed, and improve the quality of the two-component adhesive.

[0024] Referring to Figure 1 and Figure 2 , the adapter device comprises an adapter block 4, and the adapter block 4 is made of aluminum, copper or stainless steel. The adapter block 4 is fixedly connected with a filling block 5 matched in size with the first filling hole 3, and the filling block 5 is inserted into the first filling hole 3; when it needs to be designed as double branch to fill glue on both sides at the same time, the number of the filling block 5 is correspondingly set to two. The filling block 5 is provided with a second filling hole 6 communicated with the rubber cylinder and the first filling hole 3 respectively, and the connecting seat 1 is provided with a fixing unit for fixing the adapter block 4 on the connecting seat 1.

[0025] Referring to Figure 1 and Figure 2 , a limiting plate 12 is fixedly connected to the hole wall of the first filling hole 3, the limiting plate 12 divides the first filling hole 3 into two identical semicircular holes, and the two semicircular holes are respectively communicated with the two rubber tubes 2. The filling block 5 is arranged in a semicircular shape matched with the semicircular hole, the semicircular filling block 5 is convenient for closely matching with the semicircular hole of the first filling hole 3, and the stability of the connection between the filling block 5 and the connecting seat 1 is improved. The cross section of the second filling hole 6 is semicircular, and the second filling hole 6 and the filling hole are both designed in a semicircular shape, so as to obtain the maximum glue inlet area, thereby reducing the glue inlet pressure and improving the efficiency of filling the product.

[0026] Referring to Figure 1 and Figure 2The end of the limiting plate 12 away from the connecting seat 1 is provided with a guide inclined surface 14, the adapter block 4 is provided with a limiting hole 13 matched with the size of the limiting plate 12, and the limiting plate 12 is inserted into the limiting hole 13. Therefore, the guide inclined surface 14 plays a guiding role in the installation of the adapter block 4, the limiting plate 12 is inserted into the limiting hole 13, the limiting hole 13 plays a limiting role on the limiting plate 12, the possibility of relative displacement between the limiting plate 12 and the adapter block 4 or the position offset of the adapter block 4 is reduced, and the stability of the filling block 5 inserted into the first filling hole 3 is improved.

[0027] With reference to Figure 2 and Figure 3 The fixing unit comprises a fixing block 15, the fixing block 15 is provided with a threaded groove 7, the connecting seat 1 is threadedly connected in the threaded groove 7, the bottom of the threaded groove 7 is provided with a placing groove 8 matched with the size of the adapter block 4, the adapter block 4 is inserted into the placing groove 8, and the bottom of the placing groove 8 is provided with a threaded hole 9 connected with the glue cylinder. The outer edge of the fixing block 15 is provided with a plurality of installation flats 10 arranged oppositely, and arc-shaped chamfers 11 are arranged between the installation flats 10, respectively. The arc-shaped chamfers 11 play a circular arc transition role, thereby reducing stress concentration, and the installation flats 10 facilitate the operator to rotate the fixing block 15 by using a wrench to install the fixing block 15 on the connecting seat 1. Therefore, the fixing block 15 is connected with the connecting seat 1 through the threaded groove 7, the adapter block 4 is tightly connected on the connecting seat 1, the position of the adapter block 4 is fixed, and the threaded hole 9 is connected with the discharge end of the glue cylinder.

[0028] In addition, the application is suitable for tanking in scientific research sample preparation and small-batch production, and reduces the cost of the input automatic dispensing equipment. The adapter block 4 connected with the plastic glue pipe 2 can realize tanking of glue liquid from the open end of the glue pipe 2, the adapter block 4 is designed ingeniously, no matter the viscosity of the glue liquid, the glue liquid can enter the first filling hole 3 from the second filling hole 6 of the adapter block 4 through the pressure of the glue cylinder, the structure is simple, and the use is flexible and convenient.

[0029] The implementation principle of the embodiment of the application is as follows: when it is needed to inject the product in the glue cylinder into the glue pipe 2, the piston of the glue pipe 2 is first pushed to the open end of the glue pipe 2, the filling block 5 of the adapter block 4 is inserted into the semicircular hole of the first filling hole 3, the limiting plate 12 is inserted into the limiting hole 13, then the operator connects the fixing block 15 to the connecting seat 1 by using the screw thread connection by using the wrench, so that the adapter block 4 is tightly connected to the connecting seat 1, and the screw hole 9 is connected to the discharge end of the glue cylinder. The glue liquid product in the glue cylinder is pushed into the second filling hole 6 of the filling block 5 under the action of the external pressure, then the product is injected into the first filling hole 3 from the second filling hole 6, and finally the product is injected into the glue pipe 2 from the first filling hole 3. The glue liquid product is pushed to gradually move the piston inside the glue pipe 2 during the injection into the glue pipe 2 until the glue injection is completed. The adapter device reduces the air bubbles generated when the product is directly filled in the related art, thereby reducing the possibility that the air bubbles affect the fixed proportion of the two-component adhesive mixture, and improving the quality of the two-component adhesive.

[0030] The specific embodiment is only an explanation of the application, and is not a limitation of the application. Those skilled in the art can make modifications to the embodiment without creative contribution according to the needs after reading the specification, and the modifications are protected by the patent law as long as they are within the scope of the claims of the application.

Claims

1. A filling connection structure characterized by: The utility model provides a connecting seat (1), rubber tube (2) sets up on connecting seat (1), and the first filling hole (3) that is communicated with rubber tube (2) is set up on connecting seat (1), and the adapter device for delivering the product in rubber cylinder to rubber tube (2) is arranged in the first filling hole (3).

2. The filling connection structure according to claim 1, characterized by: The adapter device includes an adapter block (4), the adapter block (4) is provided with a filling block (5) matched with the first filling hole (3), the filling block (5) is inserted into the first filling hole (3), and the second filling hole (6) communicated with the rubber cylinder and the first filling hole (3) respectively is formed in the filling block (5), and the connecting seat (1) is provided with a fixing unit for fixing the adapter block (4) on the connecting seat (1).

3. The filling connection structure according to claim 2, characterized in that: The fixing unit includes a fixing block (15), a threaded groove (7) is formed in the fixing block (15), the connecting seat (1) is screwed into the threaded groove (7), the bottom of the threaded groove (7) is provided with a placing groove (8) matched with the adapter block (4), the adapter block (4) is inserted into the placing groove (8), and the bottom of the placing groove (8) is provided with a threaded hole (9) connected with the rubber cylinder.

4. The filling connection structure according to claim 3, characterized by: The outer edge of the fixing block (15) is provided with a plurality of installation flats (10) arranged oppositely.

5. The filling connection structure according to claim 4, characterized in that: A chamfer (11) is arranged between the installation flats (10).

6. The filling connection structure according to claim 2, characterized by: The hole wall of the first filling hole (3) is provided with a limiting plate (12), the adapter block (4) is provided with a limiting hole (13) matched with the limiting plate (12), and the limiting plate (12) is inserted into the limiting hole (13).

7. The filling connection structure according to claim 6, characterized in that: The end of the limiting plate (12) away from the connecting seat (1) is provided with a guide inclined surface (14).

8. The filling connection structure according to claim 6, characterized by: When the number of rubber tubes (2) is two, the limiting plate (12) divides the first filling hole (3) into two semicircular holes, the two semicircular holes correspond to the two rubber tubes (2) respectively, and the two filling blocks (5) are arranged in semicircular shapes matched with the semicircular holes.

9. The filling connection structure according to claim 8, characterized in that: The cross section of the second filling hole (6) is semicircular.

10. The filling connection structure according to claim 2, characterized by: The adapter block (4) is made of aluminum, copper or stainless steel.