Water pressure test leakage point finding tool for automobile engine cylinder cover finished product

Abstract

The utility model belongs to the technical field of automobile engine cylinder cover production, and particularly relates to an automobile engine cylinder cover finished product water pressure test leakage point finding tool which comprises a pressure test bottom plate, a pressure test top plate is correspondingly arranged above the pressure test bottom plate, and a threaded hole is formed in the position, corresponding to the upper portion of a locking column, of the top of the pressure test top plate. A locking bolt locked with the locking column is screwed in the threaded hole, the multiple sets of toggle clamp components are arranged corresponding to the sealing position of the side edge of the engine cylinder cover, the multiple sets of second toggle clamps are linearly connected to the pressure test top plate at equal intervals, and the multiple sets of second toggle clamps are arranged corresponding to the sealing position of the top of the engine cylinder cover; the cylinder cover is fixed through the cooperation of the locking bolt and the locking column, each toggle clamp correspondingly presses the sealing position of the cylinder cover, then the pressure test tool is placed in a prepared water tank, the inflation head is connected with an external air supply end, then inflation is carried out, and the position where bubbles emerge from the cylinder cover is observed, so that the flaw position of the cylinder cover can be quickly found out. The product quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of automobile engine cylinder head production technology, specifically a tooling for water pressure testing and leak detection of finished automobile engine cylinder heads. Background Technology

[0002] Currently, cylinder head pressure testing, especially for mass-produced products, often uses dry pressure testing machines. However, dry pressure testing machines can only report whether the test is passed or failed. They cannot pinpoint the exact location of the failure, making it difficult to identify the cause of the product scrap and hindering problem improvement, thus limiting the product yield. Therefore, this paper proposes a tooling for water pressure testing of finished automotive engine cylinder heads to locate leaks. Utility Model Content

[0003] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0004] Therefore, the purpose of this utility model is to provide a tooling for testing and leak finding of finished automotive engine cylinder heads using water pressure. The cylinder head is fixed by the locking bolts and locking pins. Each elbow clamp is used to press the sealing position of the cylinder head. Then, the testing tooling is placed into the prepared water tank, the air inflator is connected to the external air supply end, and air is inflated. The location of the cylinder head where air bubbles emerge is observed and marked to find the leak. This tooling can quickly find the defective location of the cylinder head and improve product quality.

[0005] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0006] A tooling for leak detection and water pressure testing of a finished automobile engine cylinder head, comprising:

[0007] The test pressure base plate, which serves as a support base, is equipped with locking posts at the four corners of its top.

[0008] The test pressure top plate is set above the test pressure bottom plate. A threaded hole is opened at the top of the test pressure top plate corresponding to the position above the locking column. A locking bolt that locks with the locking column is screwed into the threaded hole.

[0009] The elbow clamp component is provided in multiple sets, and the multiple sets of elbow clamp components are set corresponding to the sealing positions on the side of the engine cylinder head.

[0010] The elbow clamp component includes an elbow clamp mounting base connected to the test pressure base plate, and a first elbow clamp is connected to the elbow clamp mounting base;

[0011] The second elbow clamp is connected to multiple sets, which are linearly and equidistantly connected to the test pressure plate, and the multiple sets of second elbow clamps are set to correspond to the sealing position at the top of the engine cylinder head.

[0012] As a preferred embodiment of the water pressure testing and leak detection tooling for a finished automobile engine cylinder head described in this utility model, wherein: a positioning pin is connected to the top of the pressure testing base plate, and the positioning pin is set at the bottom of the engine cylinder head.

[0013] As a preferred embodiment of the water pressure testing and leak detection tooling for a finished automobile engine cylinder head described in this utility model, the bottom of the pressure testing top plate is integrally formed and connected to multiple sets of support columns, and the bottom of the support columns contacts and abuts against the top of the engine cylinder head.

[0014] As a preferred embodiment of the water pressure testing and leak detection tooling for a finished automobile engine cylinder head described in this utility model, wherein: an air inflator is connected to the top of the pressure testing plate, the air inflator is connected to the engine cylinder head, and a sealing strip is connected to the corresponding connection point on the outside of the air inflator.

[0015] As a preferred embodiment of the water pressure testing and leak detection tooling for finished automobile engine cylinder heads described in this utility model, wherein: the front end of the first elbow clamp is connected to a first sealing head, and the front end of the second elbow clamp is provided with a second sealing head.

[0016] As a preferred embodiment of the water pressure testing and leak detection tooling for finished automobile engine cylinder heads described in this utility model, the outer sides of the first elbow clamp and the handle section of the second elbow clamp are both covered with rubber sleeves, and the outer sides of the rubber sleeves are provided with crisscrossing anti-slip stripes.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] The cylinder head is fixed by cooperating with the locking bolt and locking post. Each elbow clamp is used to press the cylinder head sealing position. Then, the pressure testing fixture is placed into the prepared water tank, the air inflator is connected to the external air supply end, and then air is inflated. Observe which position of the cylinder head has air bubbles, mark it, find the leak point, and quickly find the defect position of the cylinder head to improve product quality. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0020] Figure 1 This is a schematic diagram of the overall assembly structure of this utility model;

[0021] Figure 2 This utility model Figure 1 Partial structural diagram.

[0022] In the diagram: 100 Test pressure base plate, 110 Locking column, 120 Positioning pin, 200 Test pressure top plate, 210 Locking bolt, 220 Support column, 300 Elbow clamp component, 310 Elbow clamp mounting base, 320 First elbow clamp, 321 First sealing head, 400 Second elbow clamp, 410 Second sealing head. Detailed Implementation

[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0027] This utility model provides a tooling for water pressure testing and leak detection of finished automotive engine cylinder heads. Please refer to [link / reference]. Figure 1 It includes a test pressure base plate 100, a test pressure top plate 200, an elbow clamp component 300, and a second elbow clamp 400;

[0028] Please continue reading Figure 1-2 The test pressure base plate 100 serves as a support base. Locking pins 110 are provided at the four corners of the top of the test pressure base plate 100. A positioning pin 120 is connected to the top of the test pressure base plate 100. The positioning pin 120 is set at the bottom of the engine cylinder head. The positioning pin 120 is used to fix the engine cylinder head on the test pressure base plate 100.

[0029] Please continue reading Figure 1-2The test pressure top plate 200 is set above the test pressure bottom plate 100. The top of the test pressure top plate 200 is provided with a threaded hole (not shown in the figure) above the locking column 110. A locking bolt 210 is screwed into the threaded hole and locked with the locking column 110. The locking bolt 210 and the locking column 110 are screwed together to fix the position of the engine cylinder head and prevent the engine cylinder head from shifting during the test.

[0030] The bottom of the test pressure plate 200 is integrally formed and connected to multiple sets of support columns 220. The bottom of the support columns 220 contacts and abuts against the top of the engine cylinder head. The top of the test pressure plate 200 is connected to an inflation head 230, which is connected to the engine cylinder head. A sealing strip (not shown in the figure) is connected to the corresponding connection point on the outside of the inflation head 230. The inflation head 230 cooperates with the external air supply end to vent air into the engine cylinder head.

[0031] Please continue reading Figure 1-2 The elbow clamp component 300 is provided in multiple sets, and the multiple sets of elbow clamp components 300 are set corresponding to the side sealing position of the engine cylinder head. The elbow clamp component 300 includes an elbow clamp mounting seat 310 connected to the test pressure base plate 100. A first elbow clamp 320 is connected to the elbow clamp mounting seat 310. A first sealing head 321 is connected to the front end of the first elbow clamp 320. The first elbow clamp 320 cooperates with the first sealing head 321 to seal the side sealing position of the engine cylinder head.

[0032] Please continue reading Figure 1 The second elbow clamp 400 is connected to multiple sets, which are linearly and equidistantly connected to the test pressure top plate 200. The multiple sets of second elbow clamps 400 are set to the sealing position at the top of the engine cylinder head. The front end of the second elbow clamp 400 is provided with a second sealing head 410. The second elbow clamp 400 drives the second sealing head 410 to move and seal the sealing position at the top of the engine cylinder head.

[0033] Working principle: When using this utility model, the cylinder head is placed on the test pressure base plate 100. After being positioned by two positioning pins 120, the test pressure top plate 200 is placed on top of the cylinder head. The locking bolt 210 and the locking pin 110 cooperate to fix the cylinder head. Each elbow clamp is used to press the cylinder head sealing position. Then, the test pressure fixture is placed into the prepared water tank. The air inflator 230 is connected to the external air supply end, and then air is inflated. Observe which position of the cylinder head has bubbles coming out, mark it, and find the leak point.

[0034] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A tooling for water pressure testing and leak detection of a finished automobile engine cylinder head, characterized in that, include: The test pressure base plate (100) serves as a support base, and locking posts (110) are provided at the four corners of the top of the test pressure base plate (100). The test pressure top plate (200) is set above the test pressure bottom plate (100). A threaded hole is opened at the top of the test pressure top plate (200) above the locking column (110). A locking bolt (210) that is locked to the locking column (110) is screwed into the threaded hole. The elbow clamp component (300) is provided in multiple sets, and the multiple sets of elbow clamp components (300) are set at the side sealing position of the engine cylinder head; The elbow clamp component (300) includes an elbow clamp mounting base (310) connected to the test pressure base plate (100), and a first elbow clamp (320) is connected to the elbow clamp mounting base (310); The second elbow clamp (400) is connected to multiple sets, and the multiple sets of second elbow clamps (400) are linearly and equidistantly connected to the test pressure top plate (200), and the multiple sets of second elbow clamps (400) are set to correspond to the sealing position at the top of the engine cylinder head.

2. The tooling for water pressure testing and leak detection of a finished automobile engine cylinder head according to claim 1, characterized in that, The top of the test pressure base plate (100) is connected to a positioning pin (120), which is set at the bottom of the engine cylinder head.

3. The tooling for water pressure testing and leak detection of a finished automobile engine cylinder head according to claim 2, characterized in that, The bottom of the test pressure plate (200) is integrally formed and connected to multiple sets of support columns (220), and the bottom of the support columns (220) contacts and abuts against the top of the engine cylinder head.

4. The tooling for water pressure testing and leak detection of a finished automobile engine cylinder head according to claim 3, characterized in that, The top of the test pressure plate (200) is connected to an inflation head (230), which is connected to the engine cylinder head. A sealing strip is connected to the corresponding connection point on the outside of the inflation head (230).

5. The tooling for water pressure testing and leak detection of a finished automobile engine cylinder head according to claim 4, characterized in that, The first elbow clamp (320) is connected to a first sealing head (321) at its front end, and the second elbow clamp (400) is provided with a second sealing head (410) at its front end.

6. The tooling for water pressure testing and leak detection of a finished automobile engine cylinder head according to claim 5, characterized in that, The handle sections of the first elbow clamp (320) and the second elbow clamp (400) are both covered with rubber sleeves, and the outer side of the rubber sleeves is provided with crisscrossing anti-slip stripes.

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