A radiator water leak detection device

By designing a water-tightness testing device for radiators with vertical and horizontal connecting components, the problem of cumbersome operation of sealing plugs and quick connectors was solved, enabling rapid and convenient sealing of radiators and ensuring testing efficiency and accuracy of results.

CN224286246UActive Publication Date: 2026-05-26HUIZHOU MEIJI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUIZHOU MEIJI TECH CO LTD
Filing Date
2025-07-18
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In existing technologies, the use of sealing plugs and quick connectors for radiator water tightness testing is time-consuming, labor-intensive, or cumbersome, affecting testing efficiency.

Method used

A water-tightness test device for radiators was designed, including vertical and horizontal connecting components. The device uses a lifting base and horizontal rubber blocks to automatically seal the radiator's inlet, outlet, and side holes via a drive unit. It is simple to operate and has good self-locking properties.

Benefits of technology

This method enables quick and easy sealing of radiators, reduces manpower consumption, and ensures the smooth progress of the testing process and the accuracy of the results.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of airtightness testing of radiators, and discloses a water-based airtightness testing device for radiators, including a testing base, a vertical connecting assembly for sealing the radiator outlet and injecting water into the radiator inlet, and a horizontal connecting assembly for sealing the side holes of the radiator. The vertical connecting assembly includes a lifting seat that can move vertically and a vertical driving component for driving the lifting seat to move. The lower surface of the lifting seat is provided with a first vertical rubber block and a second vertical rubber block, and the upper surface of the lifting seat is provided with a water injection hole. The end of the second vertical rubber block is provided with a connecting hole that communicates with the water injection hole. The horizontal connecting assembly includes a horizontal rubber block and a horizontal driving component for driving the horizontal rubber block to move horizontally. When the first vertical rubber block is located above the radiator outlet, the second vertical rubber block is located above the radiator inlet, and the horizontal rubber block is directly opposite the side holes of the radiator.
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Description

Technical Field

[0001] This utility model relates to the field of radiator testing, specifically to the field of radiator airtightness testing, and particularly to a radiator water airtightness testing device. Background Technology

[0002] Water tightness testing of radiators is a crucial step in ensuring they are leak-free. Specifically, it involves simulating the radiator's operating state by filling it with water and pressurizing it to check for leaks. Therefore, during tightness testing, the radiator's inlet and outlet nozzles must be sealed before water is injected and pressurized. Current technology typically uses sealing plugs or quick-connect fittings to connect to the radiator's inlet and outlet nozzles. Both methods have drawbacks. For example, using sealing plugs requires force to insert them into the nozzles, which is time-consuming and laborious. Furthermore, during subsequent pressurization, the sealing plug's consistent sealing performance may cause it to be pushed out by the water pressure, affecting the overall test results. Using quick-connect fittings requires personnel to individually install them at each nozzle, which is cumbersome and significantly impacts testing efficiency, especially in batch testing.

[0003] Based on the above problems, this utility model proposes a water tightness testing device for radiators. Utility Model Content

[0004] To address the problems mentioned in the background above, this utility model provides a water tightness testing device for radiators.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows.

[0006] A water-air tightness testing device for a radiator includes a testing base, a vertical connecting assembly for sealing the radiator outlet and injecting water into the radiator inlet, and a horizontal connecting assembly for sealing the side holes of the radiator.

[0007] The vertical connection assembly includes a lifting seat that can move in a vertical direction and a vertical drive component for driving the lifting seat to move. The lower surface of the lifting seat is provided with a first vertical rubber block and a second vertical rubber block. A water injection hole is provided through the upper surface of the lifting seat. A connecting hole is provided through the end of the second vertical rubber block, and the connecting hole communicates with the water injection hole.

[0008] The lateral connection assembly includes a lateral rubber block and a lateral drive component for driving the lateral rubber block to move in the horizontal direction;

[0009] When the first vertical adhesive block is above the radiator's outlet, the second vertical adhesive block is above the radiator's inlet, and the horizontal adhesive block is directly opposite the radiator's side hole.

[0010] Furthermore, the upper surface of the testing base is provided with a placement slot for placing the heat sink.

[0011] Furthermore, the upper surface of the testing base is provided with vertically arranged guide rods, and the upper surface of the lifting seat is provided with guide holes. Through the cooperation of the guide holes and guide rods, a sliding connection between the lifting seat and the guide rods is realized.

[0012] Furthermore, the upper surface of the testing base is provided with a column, and the vertical drive component is mounted on the column.

[0013] Furthermore, both the vertical drive component and the horizontal drive component include a drive unit;

[0014] The drive unit includes a connecting seat, and a connecting rod is slidably arranged on the side of the connecting seat near the placement slot. The connecting rod of the vertical drive component is arranged vertically and connected to the lifting seat, and the connecting rod of the horizontal drive component is arranged horizontally and connected to the horizontal rubber block.

[0015] A swing seat is hinged to the side of the connecting seat away from the placement slot. A V-shaped rod is hinged between the swing seat and the connecting rod. The hinge axis formed between the swing seat and the connecting seat, the hinge axis formed between the V-shaped rod and the swing seat, and the hinge axis formed between the V-shaped rod and the connecting rod are all parallel to each other and perpendicular to the connecting rod.

[0016] Furthermore, a guide sleeve is provided on the side of the connecting seat near the placement groove, and the connecting rod is sleeved in the guide sleeve to realize the sliding connection between the connecting rod and the connecting seat.

[0017] Furthermore, a crank handle is provided on the side of the pendulum seat facing the placement slot, and the outside of the crank handle is covered with a rubber sleeve; this makes it easier for the experimenter to drive the pendulum seat to swing.

[0018] Furthermore, the upper surface of the testing base is detachably equipped with a limiting crossbar, which restricts the vertical freedom of the heat sink, ensuring that the heat sink does not shift during testing.

[0019] Compared with the prior art, the advantages of this utility model are as follows:

[0020] This solution allows the rubber block to be moved by turning the crank handle, thereby sealing the inlet, outlet, and side holes of the radiator, making the operation simpler and more convenient.

[0021] Furthermore, based on the lever principle, the experimenters can easily turn the crank handle with a little force. Moreover, after the radiator is sealed, the geometric constraints inherent in the linkage structure of the drive unit ensure that the sealing effect continues and the seal will not fail due to the water pressure generated by the water injection.

[0022] Furthermore, in this solution, the free end of the radiator is restricted by the combination of the limiting crossbar, the placement groove, and the transverse rubber block, ensuring that the radiator does not shift during the testing process and guaranteeing the smooth progress of the testing process. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of a heat sink;

[0024] Figure 2 A schematic diagram of the structure of this utility model after the heat sink is installed;

[0025] Figure 3 A schematic diagram of the structure of this utility model after the radiator is removed;

[0026] Figure 4 Schematic diagram of the vertical connection component Figure 1 ;

[0027] Figure 5 Schematic diagram of the vertical connection component Figure 2 ;

[0028] Figure 6 This is a structural diagram of the horizontally connected components;

[0029] Figure 7 This is a schematic diagram of the drive unit.

[0030] Figure 8 This is an exploded view of the drive unit.

[0031] The labels in the attached diagram are:

[0032] 100. Testing base; 101. Placement slot; 102. Limiting crossbar; 103. Column; 200. Vertical connecting assembly; 201. Lifting seat; 202. Guide rod; 203. First vertical rubber block; 204. Second vertical rubber block; 205. Water injection hole; 206. Connecting hole; 207. Vertical driving component; 300. Horizontal connecting assembly; 301. Horizontal rubber block; 302. Horizontal driving component; 400. Connecting seat; 401. Guide sleeve; 402. Connecting rod; 403. Swing seat; 404. V-shaped rod; 405. Crank handle; 406. Rubber sleeve. Detailed Implementation

[0033] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0034] Reference Figure 1A refers to the radiator, B refers to the radiator's outlet nozzle, C refers to the radiator's inlet nozzle, and D refers to the radiator's side hole. When conducting an airtightness test, the outlet nozzle and the side hole need to be sealed, and then water needs to be injected into the radiator's pipes through the inlet nozzle.

[0035] Reference Figures 2-8 A water-tightness testing device for a radiator includes a testing base 100. The upper surface of the testing base 100 is provided with a placement groove 101 for placing the radiator, a vertical connecting component 200 for sealing the radiator outlet and injecting water into the radiator inlet, and a horizontal connecting component 300 for sealing the side holes of the radiator.

[0036] Reference Figures 3-5 The upper surface of the detection base 100 is provided with a column 103.

[0037] The vertical connection assembly 200 includes a vertical drive component 207 mounted on the column 103 and a lifting seat 201 capable of moving in the vertical direction. The vertical drive component 207 is used to drive the lifting seat 201 to move. Furthermore, the upper surface of the detection base 100 is provided with a vertically arranged guide rod 202, and the upper surface of the lifting seat 201 is provided with a through hole. Through the cooperation between the guide hole and the guide rod 202, a sliding connection is realized between the lifting seat 201 and the guide rod 202, so that the lifting seat 201 can move smoothly and steadily in the vertical direction.

[0038] The lower surface of the lifting seat 201 is provided with two vertical rubber blocks, namely the first vertical rubber block 203 and the second vertical rubber block 204. The vertical rubber blocks are made of sealing materials such as silicone and rubber, which will not be described in detail.

[0039] After the radiator is placed in the placement slot 101, the lifting seat 201 is driven down by the vertical drive component 207, so that the first vertical adhesive block 203 and the second vertical adhesive block 204 can respectively block the outlet and inlet of the radiator. The vertical drive component 207 can be driven by the experimenter pressing down the crank handle 405, which is more convenient to operate.

[0040] A water injection hole 205 is provided through the upper surface of the lifting seat 201, and a connecting hole 206 is provided through the end of the second vertical rubber block 204. The connecting hole 206 is connected to the water injection hole 205. Therefore, water can enter the liquid inlet of the radiator through the water injection hole 205 and the connecting hole 206. It should be noted that water can be supplied to the water injection hole 205 by water pump technology, which will not be elaborated here.

[0041] Reference Figure 6The lateral connecting assembly 300 includes a lateral adhesive block 301 and a lateral driving component 302 for driving the lateral adhesive block 301 to move horizontally. After the heat sink is placed in the placement slot 101, the lateral driving component 302 drives the lateral adhesive block 301 to approach the heat sink, thereby sealing the side holes of the heat sink through the lateral adhesive block 301. Similarly, the lateral adhesive block 301 is made of sealing materials such as silicone or rubber, and the lateral driving component 302 can be operated by pressing the crank handle 405 by the experimenter.

[0042] Reference Figure 7 and Figure 8 Both the vertical drive component 207 and the horizontal drive component 302 include drive units.

[0043] Specifically, the drive unit includes a connecting seat 400. The connecting seat 400 of the vertical drive component 207 is disposed on the column 103, and the connecting seat 400 of the horizontal drive component 302 is disposed on the upper surface of the detection base 100.

[0044] A guide sleeve 401 is provided on the side of the connecting seat 400 near the placement groove 101. A connecting rod 402 is fitted inside the guide sleeve 401. The guide sleeve 401 of the vertical drive component 207 is arranged vertically, and the connecting rod 402 of the vertical drive component 207 is connected to the lifting seat 201. The guide sleeve 401 of the horizontal drive component 302 is arranged horizontally, and the connecting rod 402 of the horizontal drive component 302 is connected to the horizontal rubber block 301.

[0045] A swing seat 403 is hinged to the side of the connecting seat 400 away from the placement slot 101. Furthermore, a crank 405 is provided on the side of the swing seat 403 facing the placement slot 101. The swing seat 403 can be swinged more easily by the crank 405. Furthermore, the crank 405 is covered with a rubber sleeve 406, which makes it more comfortable for the test personnel to use.

[0046] A V-shaped rod 404 is hinged between the sway seat 403 and the connecting rod 402. The hinge shafts formed between the sway seat 403 and the connecting seat 400, the V-shaped rod 404 and the sway seat 403, and the V-shaped rod 404 and the connecting rod 402 are all parallel to each other and perpendicular to the connecting rod 402. Therefore, when the sway seat 403 is swayed by the crank 405, the connecting rod 402 can be moved by the V-shaped rod 404, thereby moving the lifting seat 201 or the transverse rubber block 301.

[0047] Furthermore, after sealing the radiator with the adhesive block, when the experimenter releases the crank handle 405, the drive unit needs to have a self-locking mechanism to prevent the adhesive block from being pushed back by water pressure during water injection and pressurization, thus losing its sealing effect. Therefore, when the crank handle 405 of the drive unit is in its extreme position, the radiator is sealed. At this point, the geometric constraint of the drive unit can achieve a self-locking performance, and the water pressure is insufficient to break the self-locking mechanism and cause the adhesive block to move back. (Refer to...) Figure 7 Taking the vertical drive component 207 as an example, when sealing the outlet of the radiator, the hinge position between the deflector seat 403 and the connecting seat 400 and the hinge position between the V-shaped rod 404 and the deflector seat 403 are on the same vertical line. It should be noted that the drive unit is equivalent to a linkage structure. Under its own geometric constraints, the linkage structure can achieve self-locking, which is achievable by existing technology, so it will not be elaborated further.

[0048] Preferred embodiments, refer to Figure 2 and Figure 3 The upper surface of the testing base 100 is also detachably equipped with a limiting crossbar 102 by means of bolts and other technical means. Its technical advantage is that after the heat sink is placed in the placement slot 101, the limiting crossbar 102 is installed on the testing base 100, and the vertical freedom of the heat sink is restricted by the limiting crossbar 102.

[0049] The working principle of this utility model:

[0050] First, place the radiator into the placement slot 101 and install the upper limit bar 102;

[0051] Then, the lateral drive component 302 drives the lateral rubber block 301 to move, thereby blocking the side hole of the heat sink. In addition, this action can also restrict the lateral freedom of the heat sink, thus playing a role in fixing the heat sink.

[0052] Then, the vertical drive component 207 drives the lifting seat 201 to move down, the first vertical rubber block 203 blocks the outlet of the radiator, and the second vertical rubber block 204 blocks the inlet of the radiator.

[0053] Then, using existing water pumps and other technologies, water is drawn into the radiator and pressurized to begin the airtightness test;

[0054] The detection process is achievable with existing technology and will not be described in detail.

[0055] After the inspection is completed, remove the limit bar 102 and turn the crank handle 405 in the opposite direction to remove the seal and take away the radiator.

[0056] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A water tightness testing device for a radiator, comprising a testing base (100), characterized in that, It also includes a vertical connecting assembly (200) for sealing the radiator outlet and injecting water into the radiator inlet, and a horizontal connecting assembly (300) for sealing the side holes of the radiator. The vertical connection assembly (200) includes a lifting seat (201) capable of moving in the vertical direction and a vertical drive component (207) for driving the lifting seat (201) to move. The lower surface of the lifting seat (201) is provided with a first vertical rubber block (203) and a second vertical rubber block (204). The upper surface of the lifting seat (201) is provided with a water injection hole (205). The end of the second vertical rubber block (204) is provided with a connecting hole (206), and the connecting hole (206) communicates with the water injection hole (205). The lateral connection assembly (300) includes a lateral rubber block (301) and a lateral drive component (302) for driving the lateral rubber block (301) to move in the horizontal direction. When the first vertical adhesive block (203) is above the outlet of the radiator, the second vertical adhesive block (204) is above the inlet of the radiator, and the horizontal adhesive block (301) is directly opposite the side hole of the radiator.

2. The radiator water-air tightness testing device according to claim 1, characterized in that, The upper surface of the test base (100) is provided with a placement slot (101) for placing the heat sink.

3. The water tightness testing device for a radiator according to claim 1, characterized in that, The upper surface of the detection base (100) is provided with a vertically arranged guide rod (202), and the upper surface of the lifting seat (201) is provided with a through hole. Through the cooperation of the guide hole and the guide rod (202), the sliding connection between the lifting seat (201) and the guide rod (202) is realized.

4. The water-tightness testing device for a radiator according to claim 1, characterized in that, The upper surface of the detection base (100) is provided with a column (103), and the vertical drive component (207) is provided on the column (103).

5. A radiator water-air tightness testing device according to claim 1 or 4, characterized in that, Both the vertical drive component (207) and the horizontal drive component (302) include drive units; The drive unit includes a connecting seat (400), and a connecting rod (402) is slidably arranged on the side of the connecting seat (400) near the placement slot (101). The connecting rod (402) of the vertical drive component (207) is arranged vertically and connected to the lifting seat (201), and the connecting rod (402) of the horizontal drive component (302) is arranged horizontally and connected to the horizontal rubber block (301). A swing arm (403) is hinged to the side of the connecting seat (400) away from the placement slot (101). A V-shaped rod (404) is hinged between the swing arm (403) and the connecting rod (402). The hinge axis formed between the swing arm (403) and the connecting seat (400), the hinge axis formed between the V-shaped rod (404) and the swing arm (403), and the hinge axis formed between the V-shaped rod (404) and the connecting rod (402) are all parallel to each other and perpendicular to the connecting rod (402).

6. A water-tightness testing device for a radiator according to claim 5, characterized in that, A guide sleeve (401) is provided on the side of the connecting seat (400) near the placement groove (101), and the connecting rod (402) is sleeved in the guide sleeve (401).

7. A water-tightness testing device for a radiator according to claim 5, characterized in that, A crank (405) is provided on the side of the swing seat (403) facing the placement slot (101).

8. A water-tightness testing device for a radiator according to claim 7, characterized in that, The crank handle (405) is covered with a rubber sleeve (406).

9. A water-tightness testing device for a radiator according to claim 5, characterized in that, The upper surface of the test base (100) is detachably provided with a limit bar (102), which restricts the vertical freedom of the heat sink.