Automobile water heater cavity water detection leakage test tool

Abstract

The utility model relates to the technical field of leakage test detection, in particular to a water detection leakage test tool for an automobile water heater cavity, which comprises a detection table, a mounting plate fixed on the detection table, a hydraulic push rod mounted on the mounting plate, a sliding rod inserted into the mounting plate in a sliding manner, a pressing plate fixed at the bottom of the sliding rod, and a pressing mechanism fixed at the bottom of the pressing plate, a butt joint unit is mounted at the bottom of the pressing plate; according to the scheme, through the interaction of the designed pressing mechanisms and the butt joint unit, the bottom of the cavity of the water heater and the surface of the detection table are sealed in an abutting mode, and the top of the cavity of the water heater and the pressing frame are sealed in an abutting mode; the water heater cavity is sealed quickly, two inflators are matched to be in butt joint with a water inlet pipe of the water heater cavity, the water heater cavity is inflated, the air pressure in the water heater cavity is detected through the detection mechanism, and therefore whether leakage occurs or not is judged.

Description

TECHNICAL FIELD

[0001] The utility model relates to leak detection technical field, concretely is a kind of automobile water heater cavity water detection leak detection tool. BACKGROUND

[0002] Automobile water heating gas is an important automobile parts, plays a key role in cold conditions, it can heat the coolant of vehicle, and warm air is delivered to the car.

[0003] The existing automobile water heater mainly has heating chamber shell, cover, inlet and outlet water pipe and other heating components, shell and cover butt joint, pass through inlet and outlet water pipe to carry out cold and hot exchange, it is essential to its airtightness detection since liquid is filled in water heater, and common airtightness detection usually immerges closed heating chamber shell in water, pressurized air is added to engine shell in water, whether engine shell exists leakage is observed, this operation needs to use adhesive tape to shield through-hole on inlet and outlet water pipe in advance, and the overall operation is high in labor intensity, and detection efficiency is low.Therefore, we propose a kind of automobile water heater cavity water detection leak detection tool. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of automobile water heater cavity water detection leak detection tool to solve the problem of low detection efficiency caused by the personnel needing to spend a lot of time to seal the shell during the existing sealed detection.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of automobile water heater cavity water detection leak detection tool, including detection table, the detection table is fixed with mounting plate, and the mounting plate is installed with hydraulic push rod, it further includes the slide bar of sliding insertion and installation in mounting plate, the bottom of the slide bar is fixed with pressing plate, and the bottom outer edge of the pressing plate is fixed with multiple pressing mechanisms opposite to the outer edge of heater cavity, the bottom of the pressing plate is installed with the butt joint unit opposite to the top of heater cavity;And detection mechanism fixed on detection table, heater cavity is buckled on the detection mechanism, two inflators are installed on the detection table, two the inlet and outlet water pipe of inflator and heater cavity butt joint.

[0007] Preferably, the pressing mechanism includes the pressing rod of sliding insertion with the pressing plate, the top of the pressing rod is fixed with limit end, bottom is fixed with abutting plate, and the outer side of the pressing rod is provided with extrusion spring, the bottom of the pressing rod is in contact with the outer edge of water heater cavity, and the multiple pressing mechanisms designed to extrude the outer edge of water heater cavity in sequence, so that it can be tightly abutted with the outer side of detection table, improve detection accuracy.

[0008] Preferably, the docking unit comprises a pressing frame which is matched with the top of the water heater cavity, and a telescopic sleeve rod is fixed outside the pressing frame and fixed with the bottom of the pressing plate through the telescopic sleeve rod, and the designed pressing mechanism can seal the top of the water heater cavity.

[0009] Preferably, the detection mechanism comprises a backing plate fixed on the detection table, the backing plate is in contact with the inner wall of the water heater cavity, and detection blocks are arranged on the detection table corresponding to the through openings of the water inlet and outlet pipes in the water heater cavity, the detection blocks are in close contact with the through openings, and a round disc type pressure sensor is embedded on the top of the detection blocks, and the round disc type pressure sensor is used to detect the air pressure in the water heater cavity to determine whether the water heater leaks.

[0010] Preferably, an electric push rod is fixed outside the detection table, and a contact head which is in abutment with the outside of the water heater cavity is fixed on the output end of the electric push rod, and the designed electric push rod and contact head improve the fixing stability of the water heater cavity.

[0011] Preferably, a abutting block which is in contact with the outside of the pressing plate is fixed outside the hydraulic push rod, and the abutting block improves the abutting stability of the pressing plate.

[0012] Preferably, a rubber strip is arranged at the bottom of the outer edge of the heater cavity, and a groove is arranged on the detection table, and the rubber strip and the groove improve the tightness of the contact between the water heater cavity and the detection table.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、Through the interaction of the multiple pressing mechanisms and the docking unit, the bottom of the water heater cavity is sealed with the surface of the detection table, and the top is sealed with the pressing frame, so that the water heater cavity is quickly sealed, and then the water inlet pipe of the water heater cavity is connected with the two air inflators, the water heater cavity is inflated, the air pressure in the water heater cavity is detected by the detection mechanism, and whether the water heater leaks is determined.

[0015] 2、The rubber strip and the groove are matched with each other, so that the sealing performance of the water heater cavity is better when the water heater cavity is in contact with the detection table. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole and sun gear docking structure schematic view of the utility model;

[0017] Figure 2 It is a whole front view of the utility model;

[0018] Figure 3This is a partial cross-sectional view of the pressing mechanism and docking unit of the pressing plate of this utility model;

[0019] Figure 4 This is a schematic diagram of the electric push rod and contact head structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the water heater cavity after it is separated from the pad plate.

[0021] Figure 6 This is a schematic diagram of the rubber strip at the bottom of the water heater cavity.

[0022] The components represented by each number in the attached diagram are listed below: 1. Testing platform; 2. Mounting plate; 3. Hydraulic push rod; 4. Slide rod; 5. Pressing plate; 6. Pressing mechanism; 7. Docking unit; 8. Testing mechanism; 9. Inflator; 10. Pressing rod; 11. Limiting end; 12. Abutting plate; 13. Compression spring; 14. Pressing frame; 15. Telescopic sleeve rod; 16. Pad; 17. Testing block; 18. Electric push rod; 19. Contact head; 20. Abutting block; 21. Rubber strip; 22. Groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] like Figures 1-3 As shown in the figure, a leak detection fixture for a car water heater cavity includes a test platform 1, a mounting plate 2 fixed on the test platform 1, a hydraulic push rod 3 mounted on the mounting plate 2, a sliding rod 4 slidably inserted into the mounting plate 2, a pressing plate 5 fixed to the bottom of the sliding rod 4, multiple pressing mechanisms 6 fixed at the bottom outer edge of the pressing plate 5 and corresponding to the outer edge of the heater cavity, and a docking unit 7 mounted at the bottom of the pressing plate 5 and corresponding to the top of the heater cavity; and a detection mechanism 8 fixed on the test platform 1, the heater cavity being fastened to the detection mechanism 8, and two air pumps 9 mounted on the test platform 1, the two air pumps 9 being connected to the inlet and outlet water pipes on the heater cavity.

[0025] Specifically, in this solution, the hydraulic push rod 3 drives the pressing plate 5 to move down, so that multiple pressing mechanisms 6 and docking units 7 abut against the water heater cavity that is fastened to the outside of the detection mechanism 8. Through their compression, the bottom of the water heater cavity fits tightly against the outside of the detection platform 1, and the top fits tightly against the docking unit 7, thus completing the sealing process. Compared with traditional tape sealing, it is more efficient.

[0026] Further reference Figure 2 and Figure 3The pressing mechanism 6 comprises a pressing rod 10 slidingly inserted with the pressing plate 5, the top end of the pressing rod 10 is fixed with a limiting end 11, the bottom is fixed with an abutting plate 12, the outer side of the pressing rod 10 is sleeved with an extrusion spring 13 abutting against the abutting plate 12 and the pressing plate 5, and the bottom of the pressing rod 10 is in contact with the outer edge of the water heater cavity;

[0027] It should be noted that the extrusion spring 13 is retracted by the pressing of the pressing plate 5, so that the spring pushes the abutting plate 12, the extrusion degree of the pressing rod 10 and the outer edge of the water heater cavity is increased, and the water heater cavity and the detection table 1 are more closely attached.

[0028] Further, referring to Figure 3 The docking unit 7 comprises a pressing frame 14 matched with the top of the water heater cavity, the outer side of the pressing frame 14 is fixed with a telescopic sleeve rod 15, and the bottom of the pressing plate 5 is fixed through the telescopic sleeve rod 15;

[0029] Specifically, when the hydraulic push rod 3 is pressed down, the pressing plate 5 is moved downward, the telescopic sleeve rod 15 drives the pressing frame 14 to move downward, and the top of the water heater cavity is in contact, so that the top of the water heater cavity is sealed, wherein the telescopic sleeve rod 15 is a telescopic rod, and a spring is arranged inside, so that when the pressing plate 5 moves downward, the pressing frame 14 also moves downward, and the force of the pressing frame 14 contacting the surface of the water heater cavity is increased.

[0030] In the scheme, the top of the water heater cavity is sealed by the pressing frame 14 contacting the top of the water heater cavity, the bottom of the water heater cavity is extruded by the pressing rod 10 to tightly contact the surface of the detection table 1, the sealing of the bottom of the water heater cavity is realized, and the personnel seal with adhesive tape, so that the efficiency is faster.

[0031] Further, referring to Figure 4 and Figure 5 The detection mechanism 8 comprises a backing plate 16 fixed on the detection table 1, the backing plate 16 is in contact with the inner wall of the water heater cavity, and the detection table 1 is provided with a detection block 17 corresponding to the water inlet and outlet pipe of the water heater cavity; the detection block 17 is in close contact with the water inlet and outlet pipe, and a circular disc type pressure sensor is embedded in the top of the detection block 17;

[0032] Specifically, the backing plate 16 is designed to abut against the bottom of the water heater cavity to support it, at the same time, the two detection blocks 17 are in contact with the water inlet and outlet pipe in the water heater cavity and are sealed with metal, and the designed pressure sensor can detect the internal pressure of the water heater cavity, cooperate with the stop of the inflator 9 after inflation, detect the internal pressure, and judge whether there is a leakage area in the water heater cavity, so as to improve the detection accuracy.

[0033] As Figure 3 and Figure 4 shown, this is an embodiment of optimizing the positioning of the water heater cavity. In this embodiment, the outer side of the detection table 1 is fixed with an electric push rod 18, and the output end of the electric push rod 18 is fixed with a contact head 19 which abuts against the outer side of the water heater cavity;

[0034] Specifically, the electric push rod 18 cooperates with the contact head 19 to assist the positioning of the water heater cavity, so that the positioning is more stable.

[0035] As Figure 2 shown, this is an embodiment of optimizing the contact between the hydraulic push rod 3 and the pressing plate 5. In this embodiment, the outer side of the hydraulic push rod 3 is fixed with an abutting block 20 which is used to abut against the outer side of the pressing plate 5. The abutting block 20 is designed to increase the contact area, so that the abutting stability after contact is better.

[0036] As Figure 5 and Figure 6 shown, this is an embodiment of optimizing the sealing between the water heater cavity and the detection table 1. In this embodiment, the outer edge of the heater cavity is provided with a rubber strip 21 at the bottom, and the detection table 1 is provided with a corresponding groove 22, and the thickness of the rubber strip 21 is greater than the depth of the groove 22;

[0037] Specifically, after the rubber strip 21 and the corresponding groove 22 are connected, the rubber strip 21 will be extruded, so as to improve the sealing performance between the water heater cavity and the detection table 1, and facilitate the subsequent detection.

[0038] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. An automobile water heater cavity water detection leak tooling, comprising a detection table (1), a mounting plate (2) is fixed on the detection table (1), and a hydraulic push rod (3) is installed on the mounting plate (2), characterized in that, Also include: Sliding plug-in and installation plate (2) in the slide bar (4), the bottom of the slide bar (4) is fixed with pressing plate (5), and the bottom of the pressing plate (5) is fixed with a plurality of pressing mechanism (6) opposite to the outer edge of the heater cavity, the bottom of the pressing plate (5) is installed with the docking unit (7) opposite to the top of the heater cavity; and, The detection mechanism (8) is fixed on the detection table (1), and the heater cavity is buckled on the detection mechanism (8), two air inflators (9) are installed on the detection table (1), and the two air inflators (9) are opposite to the water inlet and outlet pipe on the heater cavity.

2. The water leakage detection tool for the cavity of the water heater of an automobile according to claim 1, characterized in that: The pressing mechanism (6) includes a pressing rod (10) slidingly plugged into the pressing plate (5), the top end of the pressing rod (10) is fixed with a limiting end (11), the bottom is fixed with a resisting plate (12), and the outer side of the pressing rod (10) is sleeved with an extrusion spring (13) abutting against the resisting plate (12) and the pressing plate (5), the bottom of the pressing rod (10) is in contact with the outer edge of the water heater cavity.

3. The water leakage detection tool for the cavity of the water heater of an automobile according to claim 1, characterized in that: The docking unit (7) includes a pressing frame (14) matched with the top of the water heater cavity, and the outer side of the pressing frame (14) is fixed with a telescopic sleeve rod (15) and fixed with the bottom of the pressing plate (5) through the telescopic sleeve rod (15).

4. The water leakage detection tool for the cavity of the water heater of an automobile according to claim 1, characterized in that: The detection mechanism (8) includes a backing plate (16) fixed on the detection table (1), the backing plate (16) is in contact with the inner wall of the water heater cavity, and the detection table (1) is provided with a detection block (17) corresponding to the water inlet and outlet pipe in the water heater cavity, the detection block (17) is fitted with a round sheet type pressure sensor on the top.

5. The water leakage detection tool for the cavity of the water heater of an automobile according to claim 1, characterized in that: The outer side of the detection table (1) is fixed with an electric push rod (18), and the output end of the electric push rod (18) is fixed with a contact head (19) abutting against the outer side of the water heater cavity.

6. The water leakage detection tool for the water heater cavity of an automobile according to claim 1, characterized in that: The outer side of the hydraulic push rod (3) is fixed with a resisting block (20) for abutting against the outer side of the pressing plate (5).

7. The water leakage detection tool for the water heater cavity of an automobile according to claim 1, characterized in that: The outer edge of the heater cavity is provided with a rubber strip (21), and the detection table (1) is provided with a groove (22) corresponding to the opening.

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