PFA composite barrel sealing cover convenient to disassemble and assemble

By designing an easy-to-disassemble sealing cap for PFA composite containers, the problems of unstable sealing performance and complex structure were solved, achieving a simple operation and low-cost sealing effect, and improving the efficiency of PFA composite containers.

CN223751530UActive Publication Date: 2026-01-02BSL (SHANGHAI) NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520026710.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-01-02
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing PFA composite barrel sealing caps suffer from unstable sealing performance, complex sealing structure, and high cost.

Method used

A PFA composite barrel sealing cap that is easy to install and remove is designed, including a sealing component and a locking component. The sealing component is provided with locking components on both sides. The locking components include connecting blocks, lugs, hanging plates, handles, telescopic springs, fixing plates, and connecting bolts. The sealing cap can be installed and removed through simple operation, ensuring the stability of the sealing performance.

Benefits of technology

It enables convenient installation and removal of the sealing cap, improves the stability of sealing performance, reduces operational complexity and cost, and increases work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of composite barrel sealing covers, in particular to a PFA composite barrel sealing cover convenient to disassemble and assemble, which comprises a sealing assembly, and locking assemblies are arranged on two sides of the sealing assembly. The sealing assembly comprises a sealing cover located between the locking assemblies, a first fixing block and a second fixing block are arranged on the two sides of the sealing cover respectively, and a sealing ring is arranged in the sealing cover. The PFA composite barrel sealing cover convenient to disassemble and assemble is simple in overall structural design, cost-saving and convenient to assemble and disassemble; due to the design of the locking assembly, the stability of the sealing performance of the PFA composite barrel can be maintained, the phenomenon that the sealing performance becomes poor due to the fact that the internal volume of the PFA composite barrel expands or contracts due to the internal temperature change in the long-time use process of the PFA composite barrel is prevented, and the good sealing effect is achieved; according to the PFA composite barrel sealing cover, the dismounting process is simple, the operation process can be saved, and the working efficiency of the PFA composite barrel sealing cover is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of composite barrel sealing cover, especially to a PFA composite barrel sealing cover convenient to dismount. BACKGROUND

[0002] PFA is a kind of fluoroplastic with excellent chemical resistance and high temperature resistance.PFA composite barrel sealing cover usually refers to the composite material sealing cover made of PFA (perfluoroalkyl ether) material, which is often used in chemicals, laboratory equipment or industrial storage tanks to close containers and prevent material leakage or pollution.

[0003] PFA composite barrel sealing cover has the following characteristics: 1. High chemical resistance: PFA has excellent acid and alkali resistance and corrosion resistance, suitable for storing strong acid, strong alkali and other corrosive chemicals.2. Strong adaptability: PFA composite barrel sealing cover can be used with different types of barrels, usually suitable for plastic barrels, metal barrels and other containers, with very wide adaptability.3. Non-polluting: PFA material itself is non-toxic and harmless, and will not react with the stored chemicals, ensuring that the use of sealing cover will not pollute the goods.4. Sealing performance: PFA composite barrel sealing cover is usually designed as a high-performance sealing system, which can effectively prevent leakage of materials in the barrel and ensure safety and stability of the stored materials during storage.

[0004] The existing PFA composite barrel sealing cover has the following technical problems: 1. Unstable sealing performance: PFA material has excellent chemical stability and high temperature resistance, but in long-term use, the sealing performance of the sealing cover may be affected by various factors: for example, due to temperature changes, the material may expand or shrink, affecting the sealing performance. In the environment with large temperature difference, PFA material may not always maintain good sealing performance.2. Complex sealing structure: In order to ensure the sealing performance, the structure design of PFA composite barrel sealing cover is usually complex, and the complex sealing structure may require special installation technology and tools, and any small mistake in the installation process may cause poor sealing.3. Cost problem: High-precision processing requirements make the manufacturing process more complex and costly, which may result in low production efficiency and high cost. UTILITY MODEL CONTENTS

[0005] (I) Technical problem to be solved

[0006] In view of the above problems, the utility model provides a PFA composite barrel sealing cover convenient to dismount, especially a sealing cover convenient to dismount for PFA composite barrel, aiming to solve the problems of unstable sealing performance, complex sealing structure and high cost of current PFA composite barrel sealing cover.

[0007] (II) Technical scheme

[0008] To solve the technical problem, the utility model provides a kind of PFA composite barrel sealing cover convenient to disassemble, including sealing assembly, the both sides of sealing assembly are provided with locking assembly;

[0009] The sealing assembly includes a sealing cover between the locking assemblies, the both sides of the sealing cover are provided with first fixed block and second fixed block respectively, the inside of the sealing cover is provided with sealing ring;

[0010] The locking assembly includes a connecting block on the sealing cover, a hanging ear is provided below the connecting block, a hanging plate is provided on the hanging ear, a handle is provided on the side of the hanging plate, a telescopic spring is provided at the bottom of the hanging plate, a fixed plate is provided on the side of the hanging ear, a connecting bolt is provided on the fixed plate, a fixed bolt is provided between the hanging plate and the fixed plate, and a fixed stud is provided between the telescopic spring and the fixed plate.

[0011] Further, the first fixed block and the second fixed block are symmetrical with respect to the center axis of the sealing cover.

[0012] Further, the center axis of the sealing cover and the center axis of the sealing ring are on the same straight line.

[0013] Further, the connecting block is provided with a plurality of connecting blocks, and the plurality of connecting blocks are symmetrically arranged with respect to the center axis of the sealing cover.

[0014] Further, the screw is provided with a plurality of screws, and the plurality of screws are symmetrical with respect to the center axis of the sealing cover.

[0015] Further, the telescopic spring is located between the hanging plate and the fixed stud, and the hanging plate is located between the hanging ear and the telescopic spring.

[0016] Further, the connecting bolt is provided with a plurality of connecting bolts, and the center axes of the plurality of connecting bolts are parallel.

[0017] Further, the center axis of the fixed bolt and the center axis of the fixed stud are parallel.

[0018] Further, the center axis of the handle and the center axis of the fixed bolt are parallel.

[0019] Further, the hanging ear is provided with a plurality of hanging ears, and the plurality of hanging ears are symmetrically arranged with respect to the center axis of the sealing ring.

[0020] Beneficial effects

[0021] 1. This utility model provides a PFA composite barrel sealing cap that is easy to assemble and disassemble. The sealing cap includes a sealing component, and locking components are provided on both sides of the sealing component. The sealing component includes a sealing cover located between the locking components. A first fixing block and a second fixing block are respectively provided on both sides of the sealing cover. A sealing ring is provided inside the sealing cover. The PFA composite barrel sealing cap has a simple overall structure design, is easy to install and disassemble, and is convenient for sealing PFA composite barrels.

[0022] 2. This utility model provides a PFA composite barrel sealing cap that is easy to assemble and disassemble. The locking assembly of this easy-to-assemble PFA composite barrel sealing cap includes a connecting block located on the sealing cap, a hanging ear below the connecting block, a hanging plate on the hanging ear, a handle on one side of the hanging plate, a telescopic spring at the bottom of the hanging plate, a fixing plate on one side of the hanging ear, a connecting bolt on the fixing plate, a fixing bolt between the hanging plate and the fixing plate, and a fixing stud between the telescopic spring and the fixing plate. The fixing plates on both sides are installed and fixed to the first and second fixing blocks on both sides of the sealing cap using the connecting bolts. Screws are used to fix the connecting blocks on both sides of the sealing assembly to the sealing cap. When sealing the PFA composite container, place the sealing cap on the end cap of the PFA composite container and tighten it, ensuring that the sealing ring inside the sealing cap fits tightly against the port of the PFA composite container. At this point, manually push the handles of the locking components on both sides of the sealing cap, hooking the hanging plate onto the hanging ear. Under the elastic force of the telescopic spring, the hanging plate locks the sealing cap, preventing it from loosening under external force or pressure changes inside the PFA composite container. This locking component design helps maintain the stability of the sealing performance of the PFA composite container, preventing the sealing performance from deteriorating due to internal volume expansion or contraction caused by internal temperature changes during long-term use. It has a good sealing effect.

[0023] 3. This utility model provides a PFA composite barrel sealing cap that is easy to disassemble and assemble. The locking component is designed so that when the PFA composite barrel needs to be opened, the locking components on both sides of the sealing cap can be manually pushed to disengage the hanging plate from the locking lug. At the same time, the sealing cap can be rotated to disengage the sealing ring inside the sealing cap from the tight fit at the port of the PFA composite barrel, thus realizing the disassembly of the sealing cap. The disassembly process of this easy-to-disassemble PFA composite barrel sealing cap is simple to operate, helps to save operating procedures, save costs, and improve the working efficiency of the PFA composite barrel sealing cap. Attached Figure Description

[0024] Figure 1 This is a first perspective view of a PFA composite barrel sealing cap that is easy to disassemble and assemble according to the present invention.

[0025] Figure 2The second perspective view of the PFA composite barrel sealing cover convenient to disassemble;

[0026] Figure 3 The third perspective view of the PFA composite barrel sealing cover convenient to disassemble;

[0027] Figure 4 The fourth perspective view of the PFA composite barrel sealing cover convenient to disassemble;

[0028] Figure 5 The first perspective view of the locking assembly of the PFA composite barrel sealing cover convenient to disassemble;

[0029] Figure 6 The second perspective view of the locking assembly of the PFA composite barrel sealing cover convenient to disassemble;

[0030] Figure 7 The third perspective view of the locking assembly of the PFA composite barrel sealing cover convenient to disassemble.

[0031] Corresponding component names of various reference numerals in the figure are as follows: 1, sealing assembly; 101, first fixed block; 102, second fixed block; 103, sealing ring; 104, sealing cover; 2, locking assembly; 201, connecting block; 202, screw; 203, hanging ear; 204, hanging plate; 205, handle; 206, fixed plate; 207, connecting bolt; 208, extension spring; 209, fixed stud; 210, fixed bolt. DETAILED DESCRIPTION

[0032] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0033] The embodiments of the present application will be described below in detail through specific examples. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. The present application can also be implemented or applied through other different specific embodiments, and each detail in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0034] It is to be understood that the phrases "in one embodiment" or "implementations" as used throughout this disclosure does not necessarily refer to the same embodiment, although it may. Moreover, "exemplary" is used herein to mean "serving as an example, instance, or illustration," and not "preferred" over other implementations. The detailed description includes specific details for the purpose of providing an understanding of the described techniques. These techniques, however, can be practiced without these specific details. In some instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the concepts of the described examples.

[0035] It is also to be understood that the above-referenced aspects and the terminology used therein only illustrate the intellectual content of the present application, the components shown in the drawings are only to illustrate the basic concepts of the present application, and are not drawn according to the number, shape and size of the components in actual implementation, and the actual implementation of each component can be a random change, and the component layout pattern can be more complex.

[0036] In addition, in the following description, specific details are provided to facilitate a thorough understanding of examples. However, one skilled in the art will understand that the examples can be practiced without these specific details.

[0037] The technical solutions provided by the embodiments of the present application are described below in combination with the drawings.

[0038] Referring to Figures 1 to 7 The utility model provides a kind of PFA composite barrel sealing cover convenient to dismount, to make the practical purpose, technical scheme and advantage of the utility model more clearly, the specific operation process of the utility model is introduced in detail below combining with the drawings and the working procedure of the device.

[0039] The utility model provides a kind of PFA composite barrel sealing cover convenient to dismount, including sealing assembly 1, the both sides of sealing assembly 1 are provided with locking assembly 2;

[0040] Sealing assembly 1 includes the sealing cover 104 between locking assembly 2, the both sides of sealing cover 104 are provided with first fixed block 101 and second fixed block 102 respectively, the inside of sealing cover 104 is provided with sealing ring 103;

[0041] The locking assembly 2 comprises a connecting block 201 on the sealing cover 104, a hanging ear 203 is arranged below the connecting block 201, a hanging plate 204 is arranged on the hanging ear 203, a handle 205 is arranged on one side of the hanging plate 204, an elastic spring 208 is arranged at the bottom of the hanging plate 204, a fixed plate 206 is arranged on one side of the hanging ear 203, a connecting bolt 207 is arranged on the fixed plate 206, a fixing bolt 210 is arranged between the hanging plate 204 and the fixed plate 206, and a fixing stud 209 is arranged between the elastic spring 208 and the fixed plate 206.

[0042] Referring to Figures 1 to 4 , the first fixed block 101 and the second fixed block 102 are symmetrical with respect to the center axis of the sealing cover 104, and the center axis of the sealing cover 104 and the center axis of the sealing ring 103 are located on the same straight line.

[0043] Referring to Figures 1 to 7 , the connecting block 201 is provided with a plurality of connecting blocks 201, the plurality of connecting blocks 201 are symmetrically arranged with respect to the center axis of the sealing cover 104, the screw 202 is provided with a plurality of screws 202, the plurality of screws 202 are symmetrically arranged with respect to the center axis of the sealing cover 104, the elastic spring 208 is located between the hanging plate 204 and the fixing stud 209, the hanging plate 204 is located between the hanging ear 203 and the elastic spring 208, the connecting bolt 207 is provided with a plurality of connecting bolts 207, the center axes of the plurality of connecting bolts 207 are parallel, the center axis of the fixing bolt 210 is parallel to the center axis of the fixing stud 209, the center axis of the handle 205 is parallel to the center axis of the fixing bolt 210, and the hanging ear 203 is provided with a plurality of hanging ears 203, the plurality of hanging ears 203 are symmetrically arranged with respect to the center axis of the sealing ring 103.

[0044] The working principle and specific working process of the PFA composite barrel sealing cover convenient to disassemble are as follows:

[0045] According to the overall structure design of the PFA composite barrel sealing cover 104 convenient to disassemble, the connecting bolt 207 is installed on the fixed plate 206 on both sides of the locking assembly 2, and the fixed plate 206 is fixed on the first fixed block 101 and the second fixed block 102 on both sides of the sealing cover 104, the sealing assembly 1 is fixed on the sealing cover 104 by using the screw 202 to fix the connecting block 201 on both sides, the elastic spring 208 is connected between the fixing stud 209 and the hanging plate 204, and after the overall structure is installed;

[0046] When the PFA composite barrel is sealed, the sealing cover 104 is screwed on the end cover of the PFA composite barrel, and is tightened so that the sealing ring 103 arranged inside the sealing cover 104 is tightly attached to the port of the PFA composite barrel. At this time, the handle 205 of the locking assembly 2 on both sides of the sealing cover 104 is manually pushed, the tiger mouth of the hanging plate 204 is hung on the hanging ear 203, and the hanging plate 204 is locked to the sealing cover 104 under the elastic force of the extension spring 208, so as to prevent the sealing cover 104 from loosening under external force or due to the change of internal pressure of the PFA composite barrel. The design of the locking assembly 2 helps to maintain the stability of the sealing performance of the PFA composite barrel, prevents the PFA composite barrel from being used for a long time, and prevents the internal volume of the PFA composite barrel from expanding or shrinking due to the change of internal temperature, so as to cause the sealing performance to be poor, and has good sealing effect.

[0047] When the PFA composite barrel needs to be opened, the locking assembly 2 on both sides of the sealing cover 104 is manually pushed to separate the hanging plate 204 on the locking assembly 2 from the locking of the hanging ear 203, and the sealing cover 104 is rotated to separate the sealing ring 103 inside the sealing cover 104 from the tight attachment to the port of the PFA composite barrel, so as to realize the disassembly of the sealing cover 104. The disassembly process of the PFA composite barrel sealing cover 104 is convenient to disassemble, simple to operate, helps to save the operation process, saves the cost, and improves the working efficiency of the PFA composite barrel sealing cover 104.

[0048] In the specification, the same or similar parts between various embodiments can be referred to each other, and each embodiment focuses on the difference from other embodiments.

[0049] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A PFA composite bucket seal cover that is easy to disassemble, characterized by: The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104). The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104). The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104).

2. The PFA composite bucket sealing cover convenient to disassemble according to claim 1, characterized in that: The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104).

3. The PFA composite bucket sealing cover convenient to disassemble according to claim 1, characterized in that: The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104).

4. The PFA composite bucket sealing cover convenient to disassemble according to claim 1, characterized in that: The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104).

5. The PFA composite bucket seal cover of easy disassembly according to claim 4, characterized in that: The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104).

6. The PFA composite bucket seal cover of easy disassembly according to claim 1, characterized in that: The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104).

7. The PFA composite bucket seal cover of easy disassembly according to claim 1, characterized in that: The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104).

8. The PFA composite bucket seal cover of easy disassembly according to claim 1, characterized in that: The utility model provides a sealing assembly (1) is provided with locking assembly (2) on both sides of sealing assembly (1), and locking assembly (2) is provided with the first fixed block (101) and the second fixed block (102) on both sides of sealing cover (104) between locking assembly (2) and is provided with the sealing ring (103) in the inside of sealing cover (104).

9. The PFA composite bucket seal cover of easy disassembly according to claim 1, characterized in that: ​ 10. The PFA composite bucket seal cover of easy disassembly according to claim 1, characterized in that: ​