Sealing device for dual leakage prevention of phase change heat storage capsule

By employing a dual structure of an inner glass shell and an outer metal shell in the phase change thermal storage capsule, combined with connection and buffer design, the leakage problem caused by the fragility of the glass shell is solved, achieving higher sealing and thermal conductivity performance.

CN223578841UActive Publication Date: 2025-11-21BEIJING FUEN ENERGY TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520030873.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-11-21
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The glass shell of existing phase change thermal storage capsules is fragile, making them prone to leakage under mechanical impact.

Method used

It adopts a dual structure of inner glass shell and outer metal shell. The outer shell is equipped with connection structure and buffer structure, and uses rubber sealing ring and heat-conducting block to improve sealing and protection.

Benefits of technology

It effectively prevents the glass shell from cracking and leaking under mechanical impact, improves sealing and thermal conductivity, and enhances the stability and safety of the capsule.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a sealing device for double leakage prevention of a phase change heat storage capsule, and relates to the technical field of sealing devices for double leakage prevention of phase change heat storage capsules, the sealing device comprises an inner layer shell, two outer layer shells are arranged on the inner layer shell, a connecting structure is arranged on the outer layer shells, and the outer layer shells are connected with the connecting structure. The connecting structure is mainly composed of a connecting block, the connecting block is fixedly connected to one end of one outer layer shell, a connecting groove is formed in one end of one outer layer shell, the connecting block is matched with the connecting groove in size, a sealing groove is formed in the connecting block, a sealing ring is fixedly connected to the inner wall of the connecting groove, and the outer layer shell is fixedly connected with the sealing ring. Three limiting grooves are formed in the connecting block, three limiting rods are slidably inserted into one outer shell, an adjusting ring is rotationally connected to one outer shell, and the problem that due to the fact that glass is fragile, the glass is prone to breakage when subjected to mechanical impact, and leakage is caused is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a technical field for phase change heat storage capsule double leakproof sealing device, especially to a kind of sealing device for phase change heat storage capsule double leakproof. BACKGROUND

[0002] Phase change heat storage capsule is a kind of device that phase change material (PCM) is encapsulated inside specific shell, for realizing the storage and release of heat. Phase change material will change phase (such as from solid to liquid or vice versa) at a specific temperature, and a large amount of latent heat is absorbed or released in this process, while the shell of capsule plays a role of wrapping, protecting phase change material and preventing leakage.

[0003] Workers often find that many phase change heat storage capsules use glass material in the process of using the current sealing device for phase change heat storage capsule double leakproof. Because glass has good chemical stability and gas barrier property, but glass is easy to break when subjected to mechanical impact, which leads to leakage. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a sealing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a sealing device for phase change heat storage capsule double leakproof, comprising an inner shell, two outer shells are provided on the inner shell, a connecting structure is provided on the outer shell, the connecting structure is mainly composed of a connecting block, the connecting block is fixedly connected to one end of one outer shell, a connecting groove is formed in one end of the outer shell, the connecting block and the connecting groove are matched in size, a sealing groove is formed in the connecting block, and a sealing ring is fixedly connected to the inner wall of the connecting groove.

[0006] The above components achieve the following effects: the inner shell is made of glass material and is integrally formed. The phase change material is located inside the inner shell. The two outer shells are sleeved on the outside of the inner shell, and the connecting block is inserted into the connecting groove. The two outer shells are connected together, and the sealing ring is clamped into the sealing groove. The sealing property of the connection is improved, and leakage is further prevented. The sealing ring is made of rubber material, and the outer shell is made of metal material. The inner shell can be protected when subjected to mechanical impact, so that the leakage caused by the fact that glass is easy to break when subjected to mechanical impact is avoided.

[0007] Preferably, three limiting grooves are formed in the connecting block, and three limiting rods are slidably inserted into the outer shell.

[0008] The effect achieved by the above components is that sliding the three limiting rods to be clamped into the corresponding limiting grooves can make the connection more stable.

[0009] Preferably, a regulating ring is rotationally connected to one of the outer shells, and three regulating blocks are fixedly connected to the regulating ring.

[0010] The effect achieved by the above components is that counterclockwise rotation of the regulating ring can drive the three regulating blocks to simultaneously push the three limiting rods to be clamped into the limiting grooves, so that the connection operation is more convenient.

[0011] Preferably, a first spring is sleeved on the limiting rod, one end of the first spring is fixedly connected to the limiting rod, and the other end of the first spring is fixedly connected to the outer shell.

[0012] The effect achieved by the above components is that when the limiting rod is inserted into the limiting groove, the first spring is in a contracted state, so that when the regulating ring is rotated clockwise, the three limiting rods slide outward under the action of the elastic force of the first spring, so that the disassembly operation is more convenient.

[0013] Preferably, a bolt is threadedly inserted into the regulating ring, and a rubber pad is fixedly connected to one end of the bolt.

[0014] The effect achieved by the above components is that after the position of the regulating ring is determined, the bolt is rotated to make the rubber pad abut against the outer wall of the inner shell, so that the regulating ring is limited.

[0015] Preferably, a buffer structure is arranged in the outer shell, and the buffer structure mainly comprises a plurality of first heat-conducting blocks, each of the first heat-conducting blocks is fixedly connected to the inner wall of the outer shell, a sliding groove is formed in the first heat-conducting block, a second heat-conducting block is slidably connected into the sliding groove, and a rubber block is fixedly connected to one end of the second heat-conducting block.

[0016] The effect achieved by the above components is that the rubber block is in contact with the outer wall of the inner shell, can be deformed when impacted, prevents the outer shell and the inner shell from directly contacting to damage the inner shell, and the first heat-conducting block and the second heat-conducting block can improve the heat conduction effect.

[0017] Preferably, a second spring is fixedly connected into the sliding groove, and one end of the second spring is fixedly connected to the second heat-conducting block.

[0018] The effect achieved by the above components is that when the outer shell is impacted, the first heat-conducting block is pressed, the second heat-conducting block slides in the sliding groove, the second spring is pressed to be deformed at this time, and part of kinetic energy is absorbed.

[0019] Preferably, a damping rod is fixedly connected in the sliding groove, one end of the damping rod is fixedly connected to the second heat-conducting block, and the second spring is sleeved on the second heat-conducting block.

[0020] The second spring is reset and rebounds immediately, the stored energy is released, the damping rod converts the energy into heat energy through internal friction, the vibration time of the second spring is reduced, and the buffering effect is better.

[0021] Compared with the prior art, the utility model discloses the advantages and positive effects that through setting up connecting structure, the inner layer shell is glass material, is integrally formed, the phase change material is located inside the inner layer shell, two outer layer shells are set on the outside of the inner layer shell, and the connecting block is inserted into the connecting groove, so that the two outer layer shells are together, and the sealing ring is clamped into the sealing groove, the sealing property of connection is improved, further prevent the leakage from happening, the sealing ring is rubber material, the outer layer shell is metal material, can protect the inner layer shell when the inner layer shell is subjected to mechanical impact, thereby avoiding the condition that the glass is fragile and is easy to break when subjected to mechanical impact and leads to leakage. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A three-dimensional structure schematic diagram of a sealing device for double leakage prevention of a phase change heat storage capsule is provided for the utility model;

[0023] Figure 2 Another three-dimensional structure schematic diagram of a sealing device for double leakage prevention of a phase change heat storage capsule is provided for the utility model;

[0024] Figure 3 A partial schematic diagram of a connecting structure of a sealing device for double leakage prevention of a phase change heat storage capsule is provided for the utility model;

[0025] Figure 4 A sealing device for double leakage prevention of a phase change heat storage capsule is provided for the utility model; Figure 3 An enlarged view of part A in the middle.

[0026] Legend: 1, inner layer shell; 2, outer layer shell; 3, connecting structure; 31, connecting block; 32, connecting groove; 33, limiting rod; 34, limiting groove; 35, sealing ring; 36, sealing groove; 37, adjusting block; 38, first spring; 39, bolt; 310, adjusting ring; 4, buffering structure; 41, first heat-conducting block; 42, second heat-conducting block; 43, sliding groove; 44, rubber block; 45, second spring; 46, damping rod. DETAILED DESCRIPTION

[0027] Example 1, as Figure 1As shown, a kind of sealing device for phase change heat storage capsule double leakage prevention, including inner shell 1, two outer shell 2 are provided on inner shell 1.

[0028] With reference to Figures 1 to 3 Connecting structure 3 is provided on outer shell 2, and connecting structure 3 is mainly composed of connecting block 31, connecting block 31 is fixedly connected to one end of one outer shell 2, one end of one outer shell 2 is provided with connecting groove 32, connecting groove 32 is matched with connecting block 31, sealing groove 36 is formed in connecting block 31, sealing ring 35 is fixedly connected to the inner wall of connecting groove 32, inner shell 1 is made of glass material, is integrally formed, phase change material is located in the inside of inner shell 1, two outer shell 2 are sleeved on the outside of inner shell 1, and connecting block 31 is inserted into connecting groove 32, two outer shell 2 are connected together, and sealing ring 35 is clamped into sealing groove 36, the sealing property of connection is improved, further prevent the occurrence of leakage, sealing ring 35 is made of rubber material, outer shell 2 is made of metal material, can protect inner shell 1 when inner shell 1 is subjected to mechanical impact, so as to avoid the condition that leakage occurs due to the fact that glass is easy to break and is easy to break when subjected to mechanical impact, three limiting grooves 34 are formed in connecting block 31, three limiting rods 33 are slidably inserted into one outer shell 2, sliding three limiting rods 33 makes it clamped into the corresponding limiting groove 34, so that the connection is more stable, adjusting ring 310 is rotatably connected to one outer shell 2, three adjusting blocks 37 are fixedly connected to adjusting ring 310, counterclockwise rotation of adjusting ring 310 can drive three adjusting blocks 37 to synchronously push three limiting rods 33 to be clamped into limiting groove 34 at the same time, so that the connection operation is more convenient, first spring 38 is sleeved on limiting rod 33, one end of first spring 38 is fixedly connected to limiting rod 33, the other end of first spring 38 is fixedly connected to outer shell 2, when limiting rod 33 is inserted into limiting groove 34, first spring 38 is in the state of contraction, so when adjusting ring 310 is rotated clockwise, three limiting rods 33 are slid outward under the action of the elastic force of first spring 38, so that the dismounting operation is more convenient, bolt 39 is threadedly inserted into adjusting ring 310, one end of bolt 39 is fixedly connected with rubber pad, after the position of adjusting ring 310 is determined, bolt 39 is rotated, so that rubber pad is abutted against the outer wall of inner shell 1, and adjusting ring 310 can be limited.

[0029] With reference to Figure 4The outer shell 2 is provided with a buffer structure 4, the buffer structure 4 is mainly composed of a plurality of first heat-conducting blocks 41, the plurality of first heat-conducting blocks 41 are fixedly connected on the inner wall of the outer shell 2, a sliding groove 43 is formed in the first heat-conducting block 41, a second heat-conducting block 42 is slidably connected in the sliding groove 43, one end of the second heat-conducting block 42 is fixedly connected with a rubber block 44, the rubber block 44 is in contact with the outer wall of the inner shell 1, and can be deformed when impacted, so that the outer shell 2 and the inner shell 1 are prevented from directly contacting and damaging the inner shell 1, and the first heat-conducting block 41 and the second heat-conducting block 42 can improve the heat-conducting effect, a second spring 45 is fixedly connected in the sliding groove 43, one end of the second spring 45 is fixedly connected on the second heat-conducting block 42, when the outer shell 2 is impacted, the first heat-conducting block 41 is extruded, so that the second heat-conducting block 42 slides in the sliding groove 43, at this time, the second spring 45 is extruded and deformed to absorb part of kinetic energy, a damping rod 46 is fixedly connected in the sliding groove 43, one end of the damping rod 46 is fixedly connected on the second heat-conducting block 42, the second spring 45 is sleeved on the second heat-conducting block 42, the second spring 45 is reset and rebounds immediately to release the stored energy, the damping rod 46 converts the kinetic energy into heat energy through internal friction, so that the vibration time of the second spring 45 is reduced, and the buffer effect is better.

[0030] The working principle is that the inner layer shell 1 is made of glass and is integrally formed, the phase change material is located inside the inner layer shell 1, the two outer layer shells 2 are sleeved outside the inner layer shell 1, the connecting block 31 is inserted into the connecting groove 32, the two outer layer shells 2 are connected together, and the sealing ring 35 is clamped into the sealing groove 36 to improve the sealing performance of the connection and further prevent leakage, the sealing ring 35 is made of rubber, and the outer layer shell 2 is made of metal, so that the inner layer shell 1 can be protected when the inner layer shell 1 is subjected to mechanical impact, thereby avoiding the situation that the glass is easily broken and causes leakage when subjected to mechanical impact, the three limiting rods 33 are slid to be clamped into the corresponding limiting grooves 34, the connection is more stable, the adjusting ring 310 is counterclockwise rotated, the three adjusting blocks 37 are synchronously pushed to make the three limiting rods 33 clamped into the limiting grooves 34 at the same time, the connection operation is more convenient, the limiting rod 33 is inserted into the limiting groove 34, the first spring 38 is in a contraction state, when the adjusting ring 310 is clockwise rotated, the three limiting rods 33 slide outward under the action of the elastic force of the first spring 38, the disassembly operation is more convenient, after the position of the adjusting ring 310 is determined, the bolt 39 is rotated, the rubber pad is abutted against the outer wall of the inner layer shell 1, the adjusting ring 310 is limited, the rubber block 44 is in contact with the outer wall of the inner layer shell 1 and is deformed when subjected to impact, the outer layer shell 2 is prevented from directly contacting the inner layer shell 1 to cause damage to the inner layer shell 1, the first heat conduction block 41 and the second heat conduction block 42 can improve the heat conduction effect, when the outer layer shell 2 is subjected to impact, the first heat conduction block 41 is extruded, the second heat conduction block 42 slides in the sliding groove 43, the second spring 45 is extruded and deformed at this time, part of kinetic energy is absorbed, the second spring 45 is reset and rebounds to release the stored energy, the damping rod 46 converts the kinetic energy into heat energy through internal friction, thereby reducing the vibration time of the second spring 45 and making the buffering effect better.

[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still falls within the protection scope of the present application. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense. For example, it can be fixed connection, detachable connection or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A sealing device for a phase change thermal storage capsule with dual leak-proof design, comprising an inner shell (1), characterized in that: The inner shell (1) is provided with two outer shells (2). The outer shells (2) are provided with a connecting structure (3). The connecting structure (3) is mainly composed of connecting blocks (31). The connecting blocks (31) are fixedly connected to one end of an outer shell (2). One end of an outer shell (2) is provided with a connecting groove (32). The connecting blocks (31) and the connecting groove (32) are matched in size. The connecting blocks (31) are provided with a sealing groove (36). A sealing ring (35) is fixedly connected to the inner wall of the connecting groove (32).

2. The sealing device for double leak prevention of phase change thermal storage capsules according to claim 1, characterized in that: The connecting block (31) has three limiting grooves (34), and the outer shell (2) has three limiting rods (33) slidably inserted.

3. The sealing device for double leak prevention of phase change thermal storage capsules according to claim 2, characterized in that: An adjusting ring (310) is rotatably connected to one of the outer shells (2), and three adjusting blocks (37) are fixedly connected to the adjusting ring (310).

4. The sealing device for double leak prevention of phase change thermal storage capsules according to claim 3, characterized in that: A first spring (38) is sleeved on the limiting rod (33). One end of the first spring (38) is fixedly connected to the limiting rod (33), and the other end of the first spring (38) is fixedly connected to the outer shell (2).

5. The sealing device for double leak prevention of phase change thermal storage capsules according to claim 4, characterized in that: The adjusting ring (310) is threaded with a bolt (39), and a rubber pad is fixedly connected to one end of the bolt (39).

6. The sealing device for double leak prevention of phase change thermal storage capsules according to claim 5, characterized in that: The outer shell (2) is provided with a buffer structure (4), which is mainly composed of a number of first heat-conducting blocks (41). The number of first heat-conducting blocks (41) are fixedly connected to the inner wall of the outer shell (2). The first heat-conducting blocks (41) are provided with a sliding groove (43). A second heat-conducting block (42) is slidably connected in the sliding groove (43). A rubber block (44) is fixedly connected to one end of the second heat-conducting block (42).

7. The sealing device for double leak prevention of phase change thermal storage capsules according to claim 6, characterized in that: A second spring (45) is fixedly connected in the groove (43), and one end of the second spring (45) is fixedly connected to the second heat-conducting block (42).

8. The sealing device for double leak prevention of phase change thermal storage capsules according to claim 7, characterized in that: A damping rod (46) is fixedly connected in the groove (43), one end of the damping rod (46) is fixedly connected to the second heat-conducting block (42), and the second spring (45) is sleeved on the second heat-conducting block (42).