Pressure test detection device for automobile radiator
By designing the placement components and auxiliary components inside the test box and using motors and vibrators to simulate the vehicle driving state, the problems of low detection accuracy and narrow detection range caused by inconsistent tightness of the water supply pipe connection were solved, and high-precision and flexible automobile radiator detection was achieved.
Patent Information
- Application Number
- CN202510776100.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-11
- Publication Date
- 2025-09-12
AI Technical Summary
Existing automobile radiator detection devices have difficulty ensuring uniform connection tightness when connecting water supply pipes, resulting in reduced detection accuracy and a narrow detection range, making it impossible to simulate vehicle driving conditions.
A detection device including a test box, a placement component, an auxiliary component and a detection component was designed. The motor drives the rotating shaft and the toggle block to realize the vibration simulation of the driving state of the placement plate. The electric cylinder and the detection block are used to ensure the tightening accuracy of the locking nut. The vibrator is used to simulate the vehicle driving state for detection.
The uniform tightness of water supply pipe connections is achieved, the detection accuracy is improved, the detection range is expanded, and the detection is carried out under simulated vehicle driving conditions, which improves the flexibility and safety of the detection.
Smart Images

Figure CN120628442A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of detection devices, in particular to a pressure test detection device for an automobile radiator. Background Art
[0002] An automotive radiator consists of three parts: the water inlet chamber, the water outlet chamber, and the radiator core. Coolant flows within the core, while air passes through it. The hot coolant cools as it loses heat to the air, while the cold air warms as it absorbs the heat dissipated by the coolant. After the automotive radiator is manufactured, its pressure-bearing capacity needs to be tested, which is where a testing device comes in.
[0003] As shown in the application number: CN202311457642.X, the present invention relates to the field of pressure detection devices, and specifically to an oil radiator sealing pressure detection device. The connecting cylinder is used to be connected to the opening of the oil radiator, and the detection piston can be slidably arranged in the connecting cylinder and is in sealing contact with the connecting cylinder. The detection rod is vertically arranged, and the lower end is connected to the axis of the detection piston. The lower pressure column can be slidably installed on the bracket. The lower pressure spring is vertically arranged, the upper end is connected to the lower pressure column, and the lower end is connected to the detection piston; the rotating sleeve is rotatably arranged at the upper end of the bracket, and is rotatably sleeved on the lower pressure column. The rotating sleeve and the lower pressure column are threadedly matched to drive the lower pressure column to move downward when the rotating sleeve rotates. The upper end of the detection rod extends upward from the rotating sleeve. When the detection piston moves downward, it drives the detection rod downward, indicating that the air tightness of the oil radiator is unqualified. When the position of the detection rod remains unchanged, it indicates that the air tightness of the oil radiator is good.
[0004] The radiator pressure detection device similar to the above application also has the following shortcomings: During testing, the water supply pipe needs to be connected to the radiator, and then the liquid is supplied through a pressure pump for testing. However, when connecting the water supply pipe to the detector, it is difficult to ensure that the tightness of the connection nut on the water supply and each radiator is uniform, resulting in reduced detection accuracy. During testing, most of the tests are static, which cannot simulate the driving state of the vehicle and the detection range is narrow.
[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a pressure test device for automobile radiator is provided to achieve a more practical purpose. Summary of the Invention
[0006] In order to solve the above technical problems, the present invention provides a pressure test detection device for automobile radiators to solve the problem that, during detection, a water supply pipe needs to be connected to the radiator, and then liquid is supplied for detection through a pressure pump. However, when the water supply pipe is connected to the detector, it is difficult to ensure the uniform tightness of the connection nut on the water supply and each radiator, resulting in reduced detection accuracy; during detection, most of the time, static detection is performed, which cannot simulate the driving state of the vehicle and has a narrow detection range.
[0007] The present invention provides a pressure test device for an automobile radiator, which specifically comprises a test box; a cover plate is rotatably provided on the test box, and a placement component is installed in the test box.
[0008] Furthermore, the placement assembly is composed of a telescopic rod, a placement plate, a limit block, a spring rod and a pressure plate. Four telescopic rods are fixed to the bottom end surface of the inner wall of the test box. The upper ends of the four telescopic rods are welded to the placement plate. The placement plate is a rectangular plate structure. A radiator is placed on the placement plate. Two limit blocks are welded on the top surface of the placement plate. The inner sides of the two limit blocks are in contact with the radiator.
[0009] Furthermore, four spring rods are fixed to the top surface of the inner wall of the test box, and the lower ends of the four spring rods are welded to the pressure plate, and the bottom end surface of the pressure plate is in elastic contact with the radiator.
[0010] Furthermore, the test box is equipped with an auxiliary component, which consists of a rotating shaft, a motor, a toggle block and a protrusion. A rotating shaft rotates on the test box, and a motor is fixed on the right end face of the test box. The output shaft of the motor is fixed on the rotating shaft.
[0011] Furthermore, the bottom end surface of the placement plate is welded with protrusions in a linear array, and the protrusions are semi-cylindrical structures; two toggle blocks are welded on the rotating shaft, and both toggle blocks are in elastic contact with the protrusions.
[0012] Furthermore, a water supply pipe is plugged into the test box, a locking nut is rotated at one end below the water supply pipe, and the water supply pipe is connected to the radiator through the locking nut.
[0013] Furthermore, a vibrator is fixed on the top surface of the pressing plate.
[0014] Furthermore, a discharge pipe is welded to the right end face of the test box, the discharge pipe is connected to the test box, and a valve is installed on the discharge pipe; a baffle is welded to the bottom end face of the inner wall of the test box, the baffle is a rectangular plate structure, and the left and right end faces of the baffle are respectively welded to the left and right end faces of the inner wall of the test box.
[0015] Furthermore, a detection assembly is installed on the test box, and the detection assembly consists of a guide rod, a connecting block, a holding block, a coil spring, an electric cylinder and a detection block. Two guide rods are sliding on the test box, and the lower ends of the two guide rods are welded to the connecting block, and the upper ends of the two guide rods are welded to the holding block. A coil spring is sleeved on the front guide rod, and the lower end of the coil spring contacts the top surface of the test box, and the upper end of the coil spring contacts the bottom end surface of the holding block.
[0016] Furthermore, two electric cylinders are fixed to the left end face of the connecting block, and the protruding ends of the two electric cylinders are fixed on the detection block. The detection block is a rectangular block structure. The detection block is located directly above the locking nut. When the detection block moves downward, the left end face of the detection block contacts the right end face of the locking nut.
[0017] Furthermore, a switch box is fixed on the top surface of the test box, the switch box is electrically connected to the external power supply, and the switch box is electrically connected to the motor, the vibrator and the electric cylinder.
[0018] Compared with the prior art, the present invention has the following beneficial effects: In this application, the rotation of the motor is controlled by setting up auxiliary components, and the motor drives the rotating shaft and the toggle block to rotate. The continuous toggle of the protrusion by the toggle block can achieve continuous vibration of the placement plate, which simulates the detection of the vehicle while it is driving. Compared with the existing device, this application expands the detection range.
[0019] In the present application, through the setting of the detection component, on the one hand, hold the holding block and press downward, when the left end face of the detection block contacts the right end face of the locking nut, it means that the locking nut is tightened. The tightening accuracy of the locking nut can be guaranteed by the detection of the detection block; on the other hand, when it is necessary to realize the detection of different tightness of the locking nut, it is sufficient to control the extension and contraction of the electric cylinder. The left and right position adjustment of the detection block can be realized by the extension and contraction of the electric cylinder. At this time, it will be ensured that the right side of the locking nut contacts the left side of the detection block to realize batch detection of different tightness of the locking nuts. Compared with the existing device, the present device can ensure that the connection tightness of the water supply pipe of each radiator is uniform during detection, thereby ensuring the detection accuracy, and can realize detection under different connection tightness states, with high flexibility and functionality.
[0020] In this application, by setting up a vibrator and starting the vibrator, the vibration generated by the vibrator can be transmitted to the radiator, thereby realizing detection when the vehicle is in driving state. The vibrator can be used as a detection part after the auxiliary component is damaged, and has high functionality and emergency response.
[0021] This application, through the setting of the test box, can prevent leakage from flowing to the outside during the detection process, which increases the difficulty of cleaning, and can prevent the water supply pipe from bursting and causing injuries to workers. It is highly safe and practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments are briefly introduced below.
[0023] In the attached figure: Figure 1 It shows an axial structural schematic diagram of a pressure testing device for an automobile radiator according to the present invention; Figure 2 It shows a schematic diagram of the main structure of the pressure test device for automobile radiator according to the present invention; Figure 3 It shows a partially cutaway axial structural diagram of a pressure test device for an automobile radiator according to the present invention; Figure 4 It shows that according to the present invention Figure 3 Schematic diagram of the main structure; Figure 5 It shows that according to the present invention Figure 3 Schematic diagram of the right view structure; Figure 6 It shows that according to the present invention Figure 5 A schematic diagram of the enlarged structure at point A; Figure 7 It shows a schematic diagram of the axial structure of the auxiliary component according to the present invention; Figure 8 It shows that according to the present invention Figure 7 Schematic diagram of the enlarged structure at point B.
[0024] Reference Signs List 1. Test box; 101. Cover; 102. Baffle; 103. Discharge pipe; 2. Placement assembly; 201. Telescopic rod; 202. Placement plate; 203. Limit block; 204. Spring rod; 205. Press plate; 3. Radiator; 4. Auxiliary components; 401. Rotating shaft; 402. Motor; 403. Toggle block; 404. Protrusion; 5. Water supply pipe; 501. Lock nut; 6. Vibrator; 7. Detection assembly; 701. Guide rod; 702. Connecting block; 703. Gripping block; 704. Coil spring; 705. Electric cylinder; 706. Detection block; 8. Switch box. DETAILED DESCRIPTION
[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.
[0026] Unless otherwise defined, all terms (including technical and scientific terms) used in the embodiments of the present invention have the same meaning as commonly understood by those skilled in the art to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or highly formal sense, unless explicitly defined in this manner in the embodiments of the present invention.
[0027] The terms "first," "second," and similar terms used in the embodiments of the present invention do not indicate any order, quantity, or importance, but are simply used to distinguish different components. Terms such as "a," "an," or "the" do not indicate a limit on quantity, but rather indicate the presence of at least one. Similarly, terms such as "include" or "comprise" mean that the element or object preceding the term encompasses the elements or objects listed after the term, and their equivalents, without excluding other elements or objects. In the following description, spatial and directional terms such as "upper," "lower," "front," "back," "top," "bottom," "vertical," and "horizontal" may be used to describe embodiments of the present invention. However, it should be understood that these terms are used solely to facilitate the description of the embodiments shown in the figures and do not require that the actual device be constructed or operated in a specific orientation. In the following description, terms such as "connect," "couple," "fixed," and "attached" may refer to a direct connection between two elements or structures without any other elements or structures between them, or an indirect connection between two elements or structures through an intermediate element or structure, unless otherwise expressly stated herein.
[0028] Example 1: As shown in the attached Figure 1 To the attached Figure 8 As shown: The present invention provides a pressure test device for an automobile radiator, comprising: a test box 1; a cover plate 101 rotatably provided on the test box 1; and a placement component 2 installed in the test box 1.
[0029] Among them, the placement component 2 is composed of a telescopic rod 201, a placement plate 202, a limit block 203, a spring rod 204 and a pressure plate 205. Four telescopic rods 201 are fixed to the bottom end face of the inner wall of the test box 1. The upper ends of the four telescopic rods 201 are welded to the placement plate 202. The placement plate 202 is a rectangular plate structure. A radiator 3 is placed on the placement plate 202. Two limit blocks 203 are welded to the top surface of the placement plate 202. The inner sides of the two limit blocks 203 are in contact with the radiator 3. During use, the two limit blocks 203 are used to limit the radiator 3 to avoid movement when connecting the water supply pipe 5, thereby improving the connection efficiency and detection efficiency.
[0030] Among them, four spring rods 204 are fixed to the top surface of the inner wall of the test box 1, and the lower ends of the four spring rods 204 are welded to the pressure plate 205. The bottom end surface of the pressure plate 205 is in elastic contact with the radiator 3. During use, the spring rods 204 and the pressure plate 205 squeeze the radiator 3. On the one hand, the stability of the radiator 3 can be guaranteed, and on the other hand, the return efficiency of the placement plate 202 can be guaranteed during subsequent vibration detection.
[0031] Among them, an auxiliary component 4 is installed on the test box 1, and the auxiliary component 4 consists of a rotating shaft 401, a motor 402, a toggle block 403 and a protrusion 404. A rotating shaft 401 rotates on the test box 1, and a motor 402 is fixed on the right end face of the test box 1. The output shaft of the motor 402 is fixed on the rotating shaft 401.
[0032] Among them, the bottom end surface of the placement plate 202 is welded with a protrusion 404 in a linear array, and the protrusion 404 is a semi-cylindrical structure; two toggle blocks 403 are welded on the rotating shaft 401, and the two toggle blocks 403 are in elastic contact with the protrusion 404. During the test, the motor 402 is controlled to rotate, and the motor 402 drives the rotating shaft 401 and the toggle block 403 to rotate. Under the continuous toggling of the toggle block 403 on the protrusion 404, the continuous vibration of the placement plate 202 can be achieved. At this time, the detection of the vehicle in motion is simulated, and the detection range is expanded.
[0033] A water supply pipe 5 is plugged into the test box 1 , and a locking nut 501 is rotated at one end of the lower end of the water supply pipe 5 . The water supply pipe 5 is connected to the radiator 3 through the locking nut 501 .
[0034] Among them, a vibrator 6 is fixed on the top surface of the pressure plate 205. During the detection process, the vibrator 6 is started, and the vibration generated by the vibrator 6 can be transmitted to the radiator 3, thereby realizing the detection under the driving state of the vehicle. The vibrator 6 can be used as a detection part after the auxiliary component 4 is damaged.
[0035] Among them, a discharge pipe 103 is welded to the right end face of the test box 1, the discharge pipe 103 is connected to the test box 1, and a valve is installed on the discharge pipe 103; a baffle 102 is welded to the bottom end face of the inner wall of the test box 1, and the baffle 102 is a rectangular plate structure. The left and right end faces of the baffle 102 are respectively welded to the left and right end faces of the inner wall of the test box 1. During use, when leakage occurs, it can be discharged through the discharge pipe 103, and under the cover of the baffle 102, the leakage can be prevented from flowing out of the cover 101.
[0036] Among them, a detection component 7 is installed on the test box 1, and the detection component 7 consists of a guide rod 701, a connecting block 702, a holding block 703, a coil spring 704, an electric cylinder 705 and a detection block 706. Two guide rods 701 are sliding on the test box 1. The lower ends of the two guide rods 701 are welded to the connecting block 702, and the upper ends of the two guide rods 701 are welded to the holding block 703. A coil spring 704 is sleeved on the front guide rod 701, and the lower end of the coil spring 704 contacts the top surface of the test box 1, and the upper end of the coil spring 704 contacts the bottom surface of the holding block 703.
[0037] Among them, two electric cylinders 705 are fixed to the left end face of the connecting block 702, and the protruding ends of the two electric cylinders 705 are fixed on the detection block 706. The detection block 706 is a rectangular block structure. The detection block 706 is located just above the locking nut 501. When the detection block 706 moves downward, the left end face of the detection block 706 contacts the right end face of the locking nut 501. During use, hold the holding block 703 and press downward. When the left end face of the detection block 706 contacts the right end face of the locking nut 501, When the right end face is in contact, it indicates that the locking nut 501 is tightened. The tightening accuracy of the locking nut 501 can be guaranteed by the detection of the detection block 706. When it is necessary to detect different tightness of the locking nut 501, the electric cylinder 705 can be controlled to extend and retract. The left and right position of the detection block 706 can be adjusted by the extension and retraction of the electric cylinder 705. At this time, the right side of the locking nut 501 is ensured to be in contact with the left side of the detection block 706, so that batch detection of different tightness of the locking nut 501 can be realized.
[0038] Example 2: Based on Example 1, it also includes: a switch box 8 is fixed on the top surface of the test box 1, the switch box 8 is electrically connected to the external power supply, and the switch box 8 is electrically connected to the motor 402, the vibrator 6 and the electric cylinder 705. During use, pressing the switch on the switch box 8 can control the motor 402, the vibrator 6 and the electric cylinder 705 to work and stop.
[0039] The specific usage and function of this embodiment are as follows: Open the cover 101 and place the radiator 3 on the placement plate 202. At this time, make sure that the radiator 3 is located between the two limit blocks 203, thread the locking nut 501 on the water supply pipe 5 to the water outlet pipe of the radiator 3, block the drain pipe of the radiator 3 through the sealing cover, and then test the tightness of the locking nut 501. During the test, hold the holding block 703 and press down. When the left end face of the detection block 706 contacts the right end face of the locking nut 501, it means that the locking nut 501 is tightened. The detection of the detection block 706 can ensure the tightening accuracy of the locking nut 501. When it is necessary to detect different tightness of the locking nut 501, control the extension and retraction of the electric cylinder 705. The extension and retraction of the electric cylinder 705 can realize the left and right position adjustment of the detection block 706. At this time, By ensuring that the right side of the locking nut 501 is in contact with the left side of the detection block 706, batch detection of different tightness levels of the locking nut 501 can be achieved; the upper end of the water supply pipe 5 is connected to the liquid pressure pump, and the pressure pump box radiator 3 is started to supply water; at the same time, the motor 402 is controlled to rotate, and the motor 402 drives the rotating shaft 401 and the toggle block 403 to rotate. Under the continuous toggling of the toggle block 403 on the protrusion 404, the continuous vibration of the placement plate 202 can be achieved, which simulates the detection of the vehicle in motion; at the same time, the vibrator 6 is started, and the vibration generated by the vibrator 6 can be transmitted to the radiator 3, thereby realizing the detection in the vehicle in motion. The vibrator 6 can be used as a detection part after the auxiliary component 4 is damaged; during the detection process, if leakage occurs, the liquid will be discharged through the discharge pipe 103.
[0040] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. The protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A pressure test device for automobile radiator, characterized in that: include: A test box (1); a cover plate (101) is rotatably mounted on the test box (1); a placement assembly (2) is installed in the test box (1); the placement assembly (2) is composed of a telescopic rod (201), a placement plate (202), a limit block (203), a spring rod (204), and a pressure plate (205); four telescopic rods (201) are fixed to the bottom end surface of the inner wall of the test box (1); the upper ends of the four telescopic rods (201) are welded to the placement plate (202); the placement plate (202) is a rectangular plate structure; a radiator (3) is placed on the placement plate (202); two limit blocks (203) are welded to the top surface of the placement plate (202); the inner sides of the two limit blocks (203) are in contact with the radiator (3).
2. A pressure test device for an automobile radiator according to claim 1, characterized in that: Four spring rods (204) are fixed to the top end of the inner wall of the test box (1), and the lower ends of the four spring rods (204) are welded to the pressure plate (205), and the bottom end surface of the pressure plate (205) is in elastic contact with the radiator (3).
3. A pressure test device for an automobile radiator as claimed in claim 2, characterized in that: The test box (1) is equipped with an auxiliary component (4), which is composed of a rotating shaft (401), a motor (402), a toggle block (403) and a protrusion (404). The test box (1) is provided with a rotating shaft (401) that rotates, and a motor (402) is fixed to the right end surface of the test box (1). The output shaft of the motor (402) is fixed to the rotating shaft (401).
4. A pressure test device for an automobile radiator as claimed in claim 3, characterized in that: The bottom end surface of the placement plate (202) is welded with a protrusion (404) in a linear array shape, and the protrusion (404) is a semi-cylindrical structure; two toggle blocks (403) are welded on the rotating shaft (401), and both toggle blocks (403) are in elastic contact with the protrusion (404).
5. A pressure test device for an automobile radiator as claimed in claim 4, characterized in that: A water supply pipe (5) is plugged into the test box (1), and a locking nut (501) is rotated at one end below the water supply pipe (5). The water supply pipe (5) is connected to the radiator (3) via the locking nut (501).
6. A pressure test device for an automobile radiator as claimed in claim 5, characterized in that: A vibrator (6) is fixed to the top surface of the pressing plate (205).
7. A pressure test device for an automobile radiator as claimed in claim 6, characterized in that: A discharge pipe (103) is welded to the right end face of the test box (1), the discharge pipe (103) is connected to the test box (1), and a valve is installed on the discharge pipe (103); a baffle (102) is welded to the bottom end face of the inner wall of the test box (1), the baffle (102) is a rectangular plate structure, and the left end face and the right end face of the baffle (102) are respectively welded to the left end face and the right end face of the inner wall of the test box (1).
8. A pressure test device for an automobile radiator as claimed in claim 7, characterized in that: The test box (1) is provided with a detection assembly (7), which is composed of a guide rod (701), a connecting block (702), a holding block (703), a coil spring (704), an electric cylinder (705) and a detection block (706). Two guide rods (701) are slidably mounted on the test box (1), the lower ends of the two guide rods (701) are welded to the connecting block (702), and the upper ends of the two guide rods (701) are welded to the holding block (703). A coil spring (704) is sleeved on the front guide rod (701), the lower end of the coil spring (704) contacts the top surface of the test box (1), and the upper end of the coil spring (704) contacts the bottom surface of the holding block (703).
9. A pressure test device for an automobile radiator as claimed in claim 8, characterized in that: Two electric cylinders (705) are fixed to the left end face of the connecting block (702), and the protruding ends of the two electric cylinders (705) are fixed to the detection block (706). The detection block (706) is a rectangular block structure. The detection block (706) is located directly above the locking nut (501). When the detection block (706) moves downward, the left end face of the detection block (706) contacts the right end face of the locking nut (501).
10. A pressure test device for an automobile radiator according to claim 9, characterized in that: A switch box (8) is fixed on the top surface of the test box (1), and the switch box (8) is electrically connected to an external power supply. The switch box (8) is electrically connected to the motor (402), the vibrator (6) and the electric cylinder (705).
Citation Information
Patent Citations
Sealing pressure detection device for engine oil radiator
CN117168695A