A sealing device for rapid leak sealing

CN224623604UActive Publication Date: 2026-08-11LUOYANG LONGHUI PETROCHEM ENG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-26
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0003]现有技术存在以下问题:在管式换热器连接或拆卸输料管时,虽然可以通过关闭连接阀防止流体原料泄露,但是输料管内部仍会残留有液体原料,容易导致原料泄漏

Benefits of technology

[0017]1、本实用新型通过在连接座和输入座连接时,两块活塞相互挤压,可以输入流体原料,当断开连接座和输入座之间的连接时,活塞复位,自动封堵连接座或输入座,实现快速堵漏效果,防止连接座或输入座内部残留流体原料滴落,污染工作环境。

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Abstract

This utility model discloses a sealing device for rapid leak sealing, relating to the field of tubular heat exchanger technology. It includes a distributor connected to a housing on its side, a fixed seat at the lower end of the housing, an isolation block on the inner wall of the distributor, and a connecting seat on the surface of the housing connecting several heat exchange tube bundles. Several connecting seats are provided on both the distributor and the surface of the housing, and these connecting seats are connected to an input seat. A rapid leak sealing mechanism is provided on each connecting seat. When the connecting seat and the input seat are connected, two pistons press against each other, allowing fluid material to be input. When the connection between the connecting seat and the input seat is disconnected, the pistons reset, automatically sealing the connecting seat or the input seat, achieving a rapid leak sealing effect and preventing residual fluid material inside the connecting seat or the input seat from dripping and contaminating the working environment.
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Description

Technical Field

[0001] This utility model relates to the field of tubular heat exchanger technology, specifically a sealing device for rapid leak sealing. Background Technology

[0002] A tubular heat exchanger is a device that separates two fluids at different temperatures through metal tubes to exchange heat. It works by using the principles of heat conduction and convection to transfer heat from the high-temperature fluid inside or outside the tube to the low-temperature fluid on the other side through the tube wall, thus achieving heating or cooling. Heat exchangers have the advantages of simple structure, strong adaptability, and the ability to withstand high temperature and high pressure, and are widely used in industries such as petroleum, chemical, and power.

[0003] The existing technology has the following problems: When connecting or disconnecting the feed pipe of the tubular heat exchanger, although the leakage of fluid raw materials can be prevented by closing the connecting valve, liquid raw materials will still remain inside the feed pipe, which can easily lead to raw material leakage.

[0004] Based on this, a sealing device for rapid leak sealing is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this invention is to provide a sealing device for rapid leak sealing, in order to solve the problems in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A sealing device for rapid leak sealing includes a distributor, a housing connected to the side of the distributor, a fixed seat at the lower end of the housing, an isolation block on the inner wall of the distributor, a connecting seat on the surface of the housing, the connecting seat connecting several heat exchange tube bundles, several connecting seats on the surfaces of the distributor and the housing, the connecting seats docking with an input seat, and a rapid leak sealing mechanism on the connecting seats.

[0008] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0009] In one alternative: the quick-sealing mechanism includes a guide groove, and the inner walls of the connecting seat and the input seat are provided with a plurality of guide grooves. The sliding frame is slidably connected to the guide groove, and the lower end of the sliding frame is provided with a transmission rod, the transmission rod is connected to a piston, and the sliding frame is provided with a spring assembly.

[0010] In one alternative: the spring assembly includes a first spring, one end of which is connected to a sliding frame, and the other end of which is connected to a fixed frame. The fixed frame is connected to the inner wall of a connecting seat or an input seat, and a quick-release element is slidably provided on the connecting seat.

[0011] In one alternative: the quick-release element includes a sliding groove, the surface of the connecting seat is provided with a plurality of sliding grooves, a sliding block is slidably connected to the sliding groove, the surface of the sliding block is connected to the sliding sleeve, and the inner wall of the sliding sleeve is provided with an automatic locking unit.

[0012] In one alternative: the automatic locking unit includes a limiting block, the limiting block is fixedly connected to the inner wall of the second spring, the limiting block is fixedly connected to one end of the second spring, the other end of the second spring is connected to the surface of the connecting seat, the side of the connecting seat is provided with a plurality of limiting grooves, and a limiting module is slidably disposed in the limiting grooves.

[0013] In one alternative: the limiting module includes a fixing bead that is slidably connected to the limiting groove; the input seat surface is provided with several slots that are adapted to the limiting groove; and a guide block is provided at the position of the limiting groove.

[0014] In one alternative: the guide block includes a stop block, the stop block is located in the limiting groove, and the side of the stop block is connected to the surface of the connecting seat.

[0015] In one alternative: the input seat surface is provided with a limiting ring, and the limiting ring is provided with a sealing sleeve.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. This utility model allows fluid raw materials to be input by pressing two pistons against each other when the connecting seat and the input seat are connected. When the connection between the connecting seat and the input seat is disconnected, the pistons reset and automatically seal the connecting seat or the input seat, achieving a rapid leak-stopping effect and preventing residual fluid raw materials inside the connecting seat or the input seat from dripping and polluting the working environment.

[0018] 2. This utility model allows the fixed bead to be fixed without the pressure of the limiting block when the sliding sleeve is pulled upwards. This prevents the fixed bead from interfering with the insertion and removal of the input seat. When the sliding sleeve is released, the limiting block applies pressure to the fixed bead, causing the fixed bead to snap into the slot and limit the input seat. This achieves automatic locking of the connection between the connector and the input seat, reducing operation steps and improving work efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the structure of the isolation block of this utility model.

[0021] Figure 3 This is a schematic diagram of the connecting seat of this utility model.

[0022] Figure 4 This is a schematic diagram of the heat exchange tube bundle of this utility model.

[0023] Figure 5 This is a schematic diagram of the limiting ring of this utility model.

[0024] Figure 6 This is a schematic diagram of the structure of the sliding sleeve of this utility model.

[0025] Figure 7 This is a schematic diagram of the structure of the second spring of this utility model.

[0026] Figure 8 This is a schematic diagram of the structure of the fixing bead of this utility model.

[0027] Figure 9 This is a schematic diagram of the card slot structure of this utility model.

[0028] Reference numerals in the attached drawings: 101, distributor; 102, housing; 103, fixed base; 104, isolation block; 105, connecting base; 106, heat exchange tube bundle; 107, connecting base; 108, input base; 201, guide groove; 202, sliding frame; 203, transmission rod; 204, piston; 205, first spring; 206, fixed frame; 301, sliding groove; 302, sliding block; 303, limiting block; 304, limiting groove; 305, fixing bead; 306, stop block; 307, slot; 308, second spring; 309, sliding sleeve; 401, limiting ring. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0030] In one embodiment, such as Figures 1-3 As shown, a sealing device for rapid leak sealing includes a distributor 101, a housing 102 connected to the side of the distributor 101, a fixing seat 103 at the lower end of the housing 102, an isolation block 104 on the inner wall of the distributor 101, a connecting seat 105 on the surface of the housing 102 connecting several heat exchange tube bundles 106, and several connecting seats 107 on the surfaces of both the distributor 101 and the housing 102. The connecting seats 107 are connected to an input seat 108, and a rapid leak sealing mechanism is provided on the connecting seats 107. The material conveying device is connected to the input seat 108 via the connecting seat 107. The material conveying device injects the fluid raw material into the distributor 101 and the housing 102 respectively. The distributor 101 is divided into an upper cavity and a lower cavity by the isolation block 104. The fluid raw material enters the heat exchange tube bundle 106 through the connecting seat 105, and then flows out from the other end of the heat exchange tube bundle 106 to the lower cavity for discharge. The fluid raw material inside the housing 102 and the fluid raw material inside the heat exchange tube bundle 106 exchange heat. The fluid raw material after heat exchange is discharged through the connecting seat 107.

[0031] In one embodiment, such as Figure 8 and Figure 9 As shown, the rapid leak-sealing mechanism includes a guide groove 201. The inner walls of the connecting seat 107 and the input seat 108 are provided with several guide grooves 201. The sliding frame 202 is slidably connected to the guide grooves 201. The lower end of the sliding frame 202 is provided with a transmission rod 203. The transmission rod 203 is connected to a piston 204. The sliding frame 202 is provided with a spring assembly. When the connecting seat 107 and the input seat 108 are connected, the two pistons 204 squeeze each other without blocking the interface, allowing the fluid material in the connecting seat 107 and the input seat 108 to flow freely. When the connection between the connecting seat 107 and the input seat 108 is disconnected, the guide groove 201 provides sliding conditions for the sliding frame 202. The sliding frame 202 resets, and the sliding frame 202 drives the transmission rod 203 and the piston 204 to reset, automatically sealing the connecting seat 107 or the input seat 108, achieving a rapid leak-sealing effect and preventing the fluid material inside the connecting seat 107 or the input seat 108 from dripping.

[0032] In one embodiment, such as Figure 8 and Figure 9 As shown, the spring assembly includes a first spring 205, one end of which is connected to a sliding frame 202, and the other end of which is connected to a fixing frame 206. The fixing frame 206 is connected to the inner wall of a connecting seat 107 or an input seat 108. A quick-release element is slidably provided on the connecting seat 107. The fixing frame 206 provides support for the first spring 205, and the first spring 205 provides power for the sliding frame 202 to reset.

[0033] In one embodiment, such as Figure 4 and Figure 5 As shown, the quick-release component includes a sliding groove 301. The surface of the connecting seat 107 is provided with a plurality of sliding grooves 301. The sliding block 302 is slidably connected to the sliding groove 301. The surface of the sliding block 302 is connected to the sliding sleeve 309. The inner wall of the sliding sleeve 309 is provided with an automatic locking unit. The sliding groove 301 provides sliding conditions for the sliding block 302, the sliding block 302 provides displacement conditions for the sliding sleeve 309, and the movement of the sliding sleeve 309 provides conditions for fixing or disassembling the input seat 108.

[0034] In one embodiment, such as Figure 4 and Figure 5As shown, the automatic locking unit includes a limiting block 303, which is fixedly connected to the inner wall of the second spring 308. One end of the second spring 308 is fixedly connected to the limiting block 303, and the other end of the second spring 308 is connected to the surface of the connecting seat 107. The side of the connecting seat 107 is provided with a plurality of limiting grooves 304, and a limiting module is slidably disposed in the limiting grooves 304. The limiting block 303 provides conditions for locking the input seat 108. When the sliding sleeve 309 is not under pressure, the second spring 308 drives the sliding sleeve 309 to reset, providing conditions for automatic locking.

[0035] In one embodiment, such as Figure 6 and Figure 7 As shown, the limiting module includes a fixing bead 305, which is slidably connected to a limiting groove 304. The surface of the input seat 108 is provided with several slots 307, which are adapted to the limiting groove 304. A guide block is provided at the position of the limiting groove 304. When it is necessary to connect the connecting seat 107 and the input seat 108, the sliding sleeve 309 is pulled upward. The sliding sleeve 309 drives the limiting block 303 to move. The fixing bead 305 is not pressured by the limiting block 303 and slides in the limiting groove 304 without interfering with the insertion and removal of the input seat 108. After the input seat 108 is connected, the sliding sleeve 309 is released and reset under the action of the second spring 308. The limiting block 303 applies pressure to the fixing bead 305, so that the limiting groove 304 is engaged with the slot 307, thereby realizing automatic locking of the connection between the connecting seat 107 and the input seat 108.

[0036] In one embodiment, such as Figure 7 and Figure 8 As shown, the guide block includes a stop block 306, which is located in the limiting groove 304. The side of the stop block 306 is connected to the surface of the connecting seat 107. When the fixed bead 305 is not under pressure, the stop block 306 provides a limit for the fixed bead 305, preventing the fixed bead 305 from dislodging from the limiting groove 304 and causing the sliding sleeve 309 to jam.

[0037] The above embodiment discloses a sealing device for rapid leak sealing. When connecting the connector 107 and the input seat 108, the sliding sleeve 309 is pulled upwards. The sliding sleeve 309 drives the limiting block 303 to move. The fixing bead 305 is not pressured by the limiting block 303 and slides within the limiting groove 304, without interfering with the insertion and removal of the input seat 108. After the input seat 108 is connected, the sliding sleeve 309 is released and reset under the action of the second spring 308. The limiting block 303 applies pressure to the fixing bead 305, causing the limiting groove 304 to engage with the slot 307, thus automatically locking the connection between the connector 107 and the input seat 108. When the connector 107 and the input seat 108 are connected, the two pistons 204 press against each other without blocking the interface, allowing the fluid material within the connector 107 and the input seat 108 to flow freely. When the connector 107 and the input seat 108 are disconnected... When connecting the seats 108, the guide groove 201 provides sliding conditions for the sliding frame 202. The sliding frame 202 resets, and the sliding frame 202 drives the transmission rod 203 and piston 204 to reset, automatically sealing the connecting seat 107 or the input seat 108 to achieve a rapid leak-stopping effect and prevent the fluid material inside the connecting seat 107 or the input seat 108 from dripping. The connecting seat 107 connects to the input seat 108 to connect the conveying equipment. The conveying equipment injects the fluid material into the distributor 101 and the housing 102 respectively. The distributor 101 is divided into an upper cavity and a lower cavity by the isolation block 104. The fluid material enters the heat exchange tube bundle 106 through the connecting seat 105, and then flows out from the other end of the heat exchange tube bundle 106 to the lower cavity for discharge. The fluid material inside the housing 102 and the fluid material inside the heat exchange tube bundle 106 exchange heat. The fluid material after heat exchange is discharged through the connecting seat 107.

[0038] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A sealing device for rapid leak sealing, comprising a distributor (101), wherein the distributor (101) is connected to a housing (102) on its side, the housing (102) is provided with a fixing seat (103) at its lower end, the distributor (101) is provided with an isolation block (104) on its inner wall, and the housing (102) is provided with a connecting seat (105) on its surface, the connecting seat (105) connecting to a plurality of heat exchange tube bundles (106), characterized in that, The distributor (101) and the housing (102) are provided with several connecting seats (107), the connecting seats (107) are connected to the input seat (108), and the connecting seats (107) are provided with a quick leak sealing mechanism.

2. A sealing device for fast leak stoppage according to claim 1, characterized in that, The quick-sealing mechanism includes a guide groove (201). The inner walls of the connecting seat (107) and the input seat (108) are provided with a plurality of guide grooves (201). The sliding frame (202) is slidably connected to the guide grooves (201). The lower end of the sliding frame (202) is provided with a transmission rod (203). The transmission rod (203) is connected to a piston (204). The sliding frame (202) is provided with a spring assembly.

3. A sealing device for fast leak stoppage according to claim 2, characterized in that, The spring assembly includes a first spring (205), one end of which is connected to a sliding frame (202), and the other end of which is connected to a fixing frame (206). The fixing frame (206) is connected to the inner wall of a connecting seat (107) or an input seat (108). A quick-release element is slidably provided on the connecting seat (107).

4. A sealing device for fast leak stopping according to claim 3, characterized in that, The quick-release component includes a sliding groove (301), and the surface of the connecting seat (107) is provided with a plurality of sliding grooves (301). The sliding block (302) is slidably connected to the sliding groove (301). The surface of the sliding block (302) is connected to the sliding sleeve (309), and the inner wall of the sliding sleeve (309) is provided with an automatic locking unit.

5. A sealing device for fast leak stopping according to claim 4, characterized in that The automatic locking unit includes a limiting block (303), which is fixedly connected to the inner wall of the second spring (308). The limiting block (303) is fixedly connected to one end of the second spring (308), and the other end of the second spring (308) is connected to the surface of the connecting seat (107). The side of the connecting seat (107) is provided with a plurality of limiting grooves (304), and a limiting module is slidably provided in the limiting grooves (304).

6. A sealing device for fast leak stopping according to claim 5, characterized in that The limiting module includes a fixing bead (305), which is slidably connected to the limiting groove (304). The input seat (108) has several slots (307) on its surface, which are adapted to the limiting groove (304). The limiting groove (304) has a guide block at its position.

7. A sealing device for fast leak stopping according to claim 6, characterized in that The guide block includes a stop (306), which is located in the limiting groove (304) and the side of the stop (306) is connected to the surface of the connecting seat (107).

8. A sealing device for fast leak stopping according to claim 1, characterized in that, The input seat (108) has a limiting ring (401) on its surface, and a sealing sleeve is provided on the limiting ring (401).