Air tightness detection mechanism of automobile cylinder cover

By designing a retractable protective plate structure and suction cup support feet, the problems of protective plate flipping affecting operation and unstable support were solved, thus achieving protection of the protective plate and improving the stability of the testing instrument.

CN223597076UActive Publication Date: 2025-11-25CHONGQING HONGYI MACHINERY
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Patent Information

Application Number
CN202520028884.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-11-25
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The existing protective plate of the automotive cylinder head airtightness tester affects operation and is easily damaged after being flipped, and the support is unstable, which cannot effectively protect the screen and ensure the stability of the tester.

Method used

Design a protective plate structure with a sliding rod and a sliding groove. The protective plate can be flipped upward and stored in the storage cavity. The support stability is improved by suction cup support feet. After the protective plate is stored, it is fixed by a plug rod and a spring. The support feet adopt a suction cup and threaded sleeve structure to enhance stability.

Benefits of technology

The protective plate provides protection, preventing interference with the operation buttons and avoiding damage. It also improves the stability and robustness of the detector, enhancing ease of use and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of detection devices, and discloses an air tightness detection mechanism of an automobile cylinder cover, which comprises an air tightness detector, a protective plate is movably arranged at the upper end of the front surface of the air tightness detector, and sliding rods are connected to the two ends, close to the air tightness detector, of the protective plate. A groove is formed in the front surface of the air tightness detector, a sliding groove is formed in the inner side wall of the top end of the air tightness detector, the sliding rod is slidably connected with the sliding groove, a pulling plate is fixed to the front surface of the movable end of the protection plate, sliding blocks are slidably connected to the two sides of the interior of the movable end of the protection plate, and one end of each sliding block is connected with an insertion rod. The insertion rod is sleeved with a spring; according to the utility model, the protection plate is arranged to be turned upwards to be opened, and the storage cavity is arranged to store the protection plate, so that on one hand, the protection plate can be protected and prevented from being damaged when the protection plate is idle, and on the other hand, the protection plate can be prevented from influencing the operation of operating buttons on the air tightness detector by a worker.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to detection device technical field, concretely relates to a kind of air tightness detection mechanism of automobile cylinder cover. BACKGROUND

[0002] Automobile engine is the device for providing power for automobile, is the heart of automobile, determines the power performance, economy, stability and environmental protection of automobile.

[0003] In prior art, automobile engine cylinder cover is processed by air tightness detector to detect sealing degree, to guarantee the quality and safety of product, and its detection value is displayed on the screen of air tightness detector, so that people can check the sealing degree data detected, for example, in the Chinese patent with application number

[0004] CN202420316221.9, a kind of air tightness detection mechanism for automobile engine cylinder cover processing is disclosed, which shields the screen of air tightness detector by the shield, effectively avoids damage caused by collision with foreign matter when not in use or carrying, and realizes protection of the screen, but the shield needs to be turned down when using the above-mentioned air tightness detector, and the shield is laid in front of the lower end of the air tightness detector after turning, which not only affects the operation of the operation button on the air tightness detector, but also easily damages the shield, and the damaged shield cannot protect the screen of the air tightness detector, in addition, the above-mentioned air tightness detector is only supported by supporting leg, which cannot guarantee the stability and firmness of support. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of air tightness detection mechanism of automobile cylinder cover, to solve the above-mentioned background technology and need to be turned down when using the shield, and the shield is laid in front of the lower end of the air tightness detector after turning, which not only affects the operation of the operation button on the air tightness detector, but also easily damages the shield and is only supported by supporting leg, which cannot guarantee the stability and firmness of support.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of air tightness detection mechanism of automobile cylinder cover, including air tightness detector, the front surface upper end of the air tightness detector movably provided with shield, the both ends of the shield close to air tightness detector are connected with slide bar, the front surface of the air tightness detector is provided with recess, and the inner side wall of the top end of air tightness detector is provided with sliding groove, and the slide bar is slidably connected with the sliding groove.

[0007] Preferably, the movable end front surface of the guard plate is fixed with a pull plate, and the inside of the movable end of the guard plate is slidably connected with a sliding block on both sides, one end of the sliding block is connected with a inserting rod, the inserting rod is sleeved with a spring, the side of the sliding block close to the guard plate is connected with a push plate, and the push plate penetrates the guard plate.

[0008] Preferably, the inside top end of the air tightness detector is provided with a storage cavity in communication with the groove, and the guard plate is stored in the storage cavity when not in use.

[0009] Preferably, the front surface of the air tightness detector is provided with an inserting hole allowing the inserting rod to pass through.

[0010] Preferably, the bottom of the air tightness detector is fixed with a supporting leg, the supporting leg comprises a threaded supporting rod, a suction cup, a suction cup gland and a threaded sleeve, one end of the threaded supporting rod is connected with the air tightness detector, the other end is connected with the suction cup, the suction cup gland and the threaded sleeve are sleeved on the threaded supporting rod, and the suction cup gland is located between the threaded sleeve and the suction cup.

[0011] Preferably, the threaded sleeve is screw-connected with the threaded supporting rod.

[0012] Compared with the prior art, the air tightness detector has the advantages that:

[0013] (1) The guard plate is set to be upwardly turned to open, and the storage cavity is arranged to store the guard plate, which can protect the guard plate from being damaged when idle, and can also avoid the guard plate from affecting the operation of the operation button on the air tightness detector, thereby facilitating use.

[0014] (2) The supporting leg with adsorption capacity is arranged at the bottom of the air tightness detector, the adsorption force of the suction cup improves the stability and firmness of the supporting leg, and the air tightness detector can also be prevented from being touched and displaced when working. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a side view of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 It is a rear view of the guard plate of the utility model;

[0018] Figure 4 It is a front view of the guard plate of the utility model;

[0019] Figure 5 It is an assembly view of the sliding block, the inserting rod, the spring and the push plate of the utility model;

[0020] Figure 6This is a schematic diagram of the structure of the support foot of this utility model;

[0021] In the diagram: 1. Air tightness tester; 2. Protective plate; 3. Slide rod; 4. Groove; 5. Slide groove; 6. Pull plate; 7. Slider; 8. Insert rod; 9. Spring; 10. Push plate; 11. Support foot; 12. Threaded support rod; 13. Suction cup; 14. Suction cup cover; 15. Threaded sleeve; 16. Storage cavity. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5 As shown, this utility model provides a technical solution: an air tightness testing mechanism for automobile cylinder head, including an air tightness tester 1, a protective plate 2 is movably provided on the upper end of the front surface of the air tightness tester 1, and slide rods 3 are connected to both ends of the protective plate 2 near the air tightness tester 1. A groove 4 is provided on the front surface of the air tightness tester 1, and a sliding groove 5 is provided on the inner side wall of the top of the air tightness tester 1. The slide rods 3 are slidably connected to the sliding groove 5.

[0024] The airtightness tester 1 has a storage cavity 16 at its top, which communicates with the groove 4. The protective plate 2 is stored in the storage cavity 16 when not in use.

[0025] A pull plate 6 is fixed on the front surface of the movable end of the guard plate 2, and sliders 7 are slidably connected to both sides inside the movable end of the guard plate 2. One end of the slider 7 is connected to a rod 8, and a spring 9 is sleeved on the rod 8. A push plate 10 is connected to the side of the slider 7 near the guard plate 2, and the push plate 10 penetrates the guard plate 2.

[0026] The front surface of the airtightness tester 1 is provided with a hole that allows the insertion rod 8 to pass through;

[0027] In the above technical solution, when it is necessary to protect the display screen of the airtightness tester 1, the pull plate 6 is pulled horizontally, so that the slide rod 3 slides in the slide groove 5 until the protective plate 2 is completely pulled out. Then the protective plate 2 is rotated so that the protective plate 2 covers the groove 4, and the display screen of the airtightness tester 1 can be protected by the protective plate 2. Then the push plate 10 is moved so that the insertion rod 8 retracts into the interior of the protective plate 2. At this time, the spring 9 is compressed, so that the movable end of the protective plate 2 presses against the groove 4. Then the push plate 10 is released, and the insertion rod 8 is inserted into the insertion hole on the airtightness tester 1 under the elastic force of the spring 9, which can limit the movable end of the protective plate 2.

[0028] As Figure 6 The bottom of the air tightness detector 1 is fixed with a supporting leg 11, the supporting leg 11 comprises a threaded supporting rod 12, a suction cup 13, a suction cup cover 14 and a threaded sleeve 15, one end of the threaded supporting rod 12 is connected with the air tightness detector 1, the other end is connected with the suction cup 13, the suction cup cover 14 and the threaded sleeve 15 are both sleeved on the threaded supporting rod 12, and the suction cup cover 14 is located between the threaded sleeve 15 and the suction cup 13;

[0029] The threaded sleeve 15 is in threaded connection with the threaded supporting rod 12;

[0030] The ground is adsorbed by the suction cup 13, the threaded sleeve 15 is rotated, the threaded sleeve 15 drives the suction cup cover 14 to move downward by the threaded connection between the threaded sleeve 15 and the threaded supporting rod 12, the suction cup cover 14 moves downward to press the edge of the suction cup 13, so that the adsorption of the suction cup 13 is more firm, and the stability and firmness of the supporting leg 11 are improved.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An airtightness detection mechanism for a cylinder head of an automobile, comprising an airtightness detector (1), a protective plate (2) movably arranged on the front surface of the airtightness detector (1), a slide rod (3) connected to the protective plate (2) near both ends of the airtightness detector (1), a recess (4) formed on the front surface of the airtightness detector (1), a sliding groove (5) arranged on the inner side wall of the top end of the airtightness detector (1), and the slide rod (3) and the sliding groove (5) being in sliding connection.

2. The mechanism for detecting the air tightness of a cylinder head of an automobile according to claim 1, characterized in that: A pull plate (6) is fixed to the front surface of the movable end of the protective plate (2), and a slide block (7) is slidably connected to both sides of the interior of the movable end of the protective plate (2), one end of the slide block (7) is connected to a plug rod (8), the plug rod (8) is sleeved with a spring (9), the side of the slide block (7) close to the protective plate (2) is connected to a push plate (10), and the push plate (10) penetrates the protective plate (2).

3. The mechanism for detecting the air tightness of a cylinder head of an automobile according to claim 1, characterized in that: A storage cavity (16) in communication with the recess (4) is formed on the top end of the interior of the airtightness detector (1), and the protective plate (2) is stored in the storage cavity (16) when not in use.

4. The mechanism for detecting the air tightness of a cylinder head of an automobile according to claim 1, characterized in that: A plug hole is formed on the front surface of the airtightness detector (1) to allow the plug rod (8) to pass through.

5. The mechanism for detecting the air tightness of a cylinder head of an automobile according to claim 1, characterized in that: A supporting leg (11) is fixed to the bottom of the airtightness detector (1), the supporting leg (11) comprises a threaded supporting rod (12), a suction disc (13), a suction disc gland (14) and a threaded sleeve (15), one end of the threaded supporting rod (12) is connected to the airtightness detector (1), the other end is connected to the suction disc (13), the suction disc gland (14) and the threaded sleeve (15) are sleeved on the threaded supporting rod (12), and the suction disc gland (14) is located between the threaded sleeve (15) and the suction disc (13).

6. The mechanism for detecting the air tightness of a cylinder head of an automobile according to claim 5, characterized in that: The threaded sleeve (15) and the threaded supporting rod (12) are in screw connection.

Citation Information

Patent Citations

  • Air tightness detection mechanism for automobile engine cylinder cover processing

    CN221725474U