CN220322634U

CN220322634U - Cylinder cover air tightness detection device

Info

Publication number: CN220322634U
Application number: CN202322087112.2U
Authority: CN
Inventors: 黄丕京; 张�成; 杨绍润
Original assignee: Guizhou Yingjier Machine Manufacture Co ltd
Current assignee: Guizhou Yingjier Machine Manufacture Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-01-09
Anticipated expiration: 2033-08-04

Abstract

The utility model relates to the technical field of air tightness detection tools of cylinder covers, in particular to an air tightness detection device of a cylinder cover, which comprises a bottom plate, wherein an air inlet hole arranged along the horizontal direction is formed in the bottom plate, a water tank is fixedly arranged on the upper surface of the bottom plate, an air outlet hole communicated with the air inlet hole is formed in the center position of the bottom wall of the water tank, a support frame is fixedly arranged on the bottom plate, an air cylinder is fixedly arranged on the top plate body of the support frame, an air inlet assembly is arranged on the bottom plate and comprises an air pump arranged on one side of the water tank, an air outlet pipe is fixedly arranged at the air outlet end of the air pump, a three-way pipe is fixedly arranged at the tail end of the air outlet pipe, a three-way valve is fixedly arranged on the three-way pipe, a conveying pipe is fixedly arranged on one pipe body of the three-way valve, the tail end pipe body of the conveying pipe is fixedly arranged on the wall of the air inlet hole, and a water inlet pipe is fixedly arranged on the water tank. The utility model has simple structure, low cost and convenient operation, and is favorable for observation.

Description

Cylinder cover air tightness detection device

Technical Field

The utility model relates to the technical field of air tightness detection tools of cylinder covers, in particular to an air tightness detection device of a cylinder cover.

Background

The cylinder cover is a cover of an engine and a machine part for closing the cylinder, and is an installation base body of a valve mechanism, and the cylinder cover and the cylinder body are two parts which are generally fixedly connected by a plurality of fastening bolts.

The patent of the utility model with the publication number of CN213543913U discloses an air tightness detection device of an engine cylinder cover, which comprises a counter, wherein a detection workbench is fixedly connected to the counter, a plurality of air inlet plugs are arranged on the detection workbench, guide studs are symmetrically and fixedly connected to the detection workbench, a test compression plate is arranged on the guide studs, a plurality of plugs are arranged on the bottom side of the test compression plate, a detection cylinder is fixedly arranged on the top surface of the test compression plate, a mounting groove is formed in one side of the counter, and an air compressor is fixedly arranged in the mounting groove. The oil body is heated through the heater strip arranged in the heating section, then compressed air is output through the air inlet pipe by the air compressor, and when the conveyed gas passes through the overlapping path of the heating section and the air inlet pipe, heat is absorbed.

Although the technical scheme has the advantages of ensuring that the gas is used for testing after being heated sufficiently, the technical scheme has the advantages that the testing process is complex, the structure is complex, the cost is high, the operation difficulty is high, the simple and clear testing and the observation of the testing result are not easy to carry out, and inconvenience is brought to a user when the technical scheme is used specifically. In view of this, we propose a cylinder head tightness detection device.

Disclosure of Invention

The utility model aims to provide a cylinder cover air tightness detection device which is used for solving the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a cylinder head gas tightness detection device, includes the bottom plate, the inside of bottom plate is provided with the inlet port that sets up along the horizontal direction, fixed mounting has the water tank on the upper surface of bottom plate, the diapire central point department of water tank be provided with the venthole that the inlet port is linked together, fixed mounting has the support frame on the bottom plate, fixed mounting has the cylinder that is used for compressing tightly the cylinder head on the top plate body of support frame, be provided with the subassembly that admits air on the bottom plate, the subassembly that admits air is including setting up the air pump of water tank one side, the fixed mounting that gives vent to anger of air pump has the outlet duct, the terminal fixed mounting of outlet duct has the three-way pipe, fixed mounting has the three-way valve on the three-way pipe, fixed mounting has the conveyer pipe on one of the body of three-way valve, the terminal body fixed mounting of conveyer pipe is in on the pore wall of inlet port.

Preferably, the height of the water tank is larger than that of the cylinder cover, and the water tank is used for storing water to submerge the cylinder cover for air tightness detection.

Preferably, the air pump is higher than the water tank, and is used for preventing water from flowing back into the air pump.

Preferably, a compression plate is fixedly arranged at the tail end of the telescopic shaft of the cylinder and used for increasing the contact area between the compression plate and the cylinder cover.

Preferably, a drain pipe is fixedly arranged on the remaining pipe body of the three-way pipe, and the drain pipe is used for draining water.

Preferably, a water inlet pipe is fixedly arranged on the water tank and used for water inlet operation.

Preferably, a water tap is fixedly arranged at the water outlet end of the water inlet pipe, and the water tap is used for opening and closing water through operation.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arranged air cylinder, the air cylinder can be used for compressing the air cylinder cover, so that the air cylinder cover is compressed on the bottom wall of the water tank, then water is added into the water tank until the air cylinder cover is immersed, the air inlet assembly is used for conveying air towards the space between the air cylinder cover and the bottom wall of the water tank, if bubbles are out, the air tightness is poor, the air tightness of the surface without bubbles is good, and the air cylinder is simple in structure, convenient to operate, low in cost, favorable for observing results and convenient to use.

2. According to the utility model, through the arranged drain pipe, after the test is finished, the water in the water tank can be discharged outwards, and the water tank is convenient to use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic view of an air intake assembly according to the present utility model;

FIG. 4 is a schematic representation of the present utility model in use.

The meaning of each reference numeral in the figures is:

1. a bottom plate; 10. an air inlet hole; 11. a water tank; 12. an air outlet hole; 13. a support frame; 14. a cylinder; 141. a compacting plate; 15. a water inlet pipe; 16. a water tap;

2. an air intake assembly; 20. an air pump; 21. an air outlet pipe; 22. a three-way pipe; 23. a three-way valve; 24. a delivery tube; 25. and (5) a water drain pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a cylinder head gas tightness detection device, including bottom plate 1, the inside of bottom plate 1 is provided with the inlet port 10 that sets up along the horizontal direction, fixedly mounted has water tank 11 on the upper surface of bottom plate 1, the diapire central point department of water tank 11 is provided with the venthole 12 that is linked together with inlet port 10, fixedly mounted has support frame 13 on bottom plate 1, fixedly mounted has cylinder 14 that is used for compressing tightly the cylinder head on the top plate body of support frame 13, be provided with air inlet module 2 on bottom plate 1, air inlet module 2 is including setting up the air pump 20 in water tank 11 one side, the fixed mounting of the air outlet duct 21 of air outlet end of air pump 20, the end fixed mounting of outlet duct 21 has three-way pipe 22, fixed mounting has conveyer pipe 24 on one of the body of three-way valve 23, the terminal body fixed mounting of conveyer pipe 24 is on the pore wall of inlet port 10, guarantee to compress tightly the cylinder head when using, reuse air pump 20 work, carry air to the air tightness test operation between the diapire of cylinder head and water tank 11, facilitate the use.

In this embodiment, the height of the water tank 11 is greater than the height of the cylinder head, and is used for storing water to submerge the cylinder head for air tightness detection.

Specifically, the air pump 20 has a height greater than that of the water tank 11 for blocking the reverse flow of water into the air pump 20.

Further, the compression plate 141 is fixedly installed at the tail end of the telescopic shaft of the air cylinder 14, and the compression plate 141 is used for increasing the contact area between the telescopic shaft and the cylinder cover, so that the cylinder cover is compressed more firmly.

In addition, a drain pipe 25 is fixedly installed on the remaining one pipe body of the tee pipe 22, and the drain pipe 25 is used for draining water so that water in the water tank 11 can be discharged outwards along the air outlet hole 12, the air inlet hole 10, the conveying pipe 24 and the drain pipe 25 for draining water.

It is worth to say that the water tank 11 is fixedly provided with a water inlet pipe 15, and the water inlet pipe 15 is used for water inlet operation; the water outlet end of the water inlet pipe 15 is fixedly provided with a water tap 16, and the water tap 16 is used for opening and closing water through operation.

It should be noted that, the air pump 20 and the air cylinder 14 in this embodiment are conventional techniques, and will not be described herein.

When the cylinder cover air tightness detection device is used, a perfect cylinder cover is placed into the water tank 11, the cylinder cover is abutted against the bottom wall of the water tank 11, then the cylinder 14 is started and operated, the cylinder 14 is operated, a telescopic shaft on the cylinder stretches to drive the pressing plate 141 to press the pressing plate 141 down on the bottom wall of the water tank 11, then the faucet 16 is opened, water is added into the water tank 11 to submerge the cylinder cover, then the three-way valve 23 is rotated until the air outlet pipe 21 is communicated with the delivery pipe 24, then the air pump 20 is connected with an external power supply and operated, the air pump 20 is operated, air is delivered into the air inlet hole 10, the air can be discharged from the tail end of the air outlet hole 12 to the position between the cylinder cover and the water tank 11, if air bubbles in the water body are out, the air tightness is proved to be poor, if no air bubbles are out, the air tightness is proved to be good, after the test is finished, the three-way valve 23 is rotated until the delivery pipe 24 is communicated with the water outlet pipe 25, and the water in the water tank 11 can be discharged outwards along the air outlet holes 12, the air inlet hole 10, the delivery pipe 24 and the water outlet pipe 25 are convenient to use.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cylinder head gas tightness detection device, includes bottom plate (1), its characterized in that: the inside of bottom plate (1) is provided with inlet port (10) along the horizontal direction setting, fixed mounting has water tank (11) on the upper surface of bottom plate (1), the diapire central point department of water tank (11) be provided with venthole (12) that inlet port (10) are linked together, fixed mounting has support frame (13) on bottom plate (1), fixed mounting has cylinder (14) that are used for compressing tightly the cylinder head on the top plate body of support frame (13), be provided with on bottom plate (1) subassembly (2) admitting air, subassembly (2) admitting air are including setting up air pump (20) of water tank (11) one side, the fixed mounting of giving vent to anger of air pump (20) has outlet duct (21), the end fixed mounting of outlet duct (21) has three-way pipe (22), fixed mounting has three-way valve (23) on one of them body fixed mounting has conveyer pipe (24), the terminal body fixed mounting of conveyer pipe (24) is in on the pore wall of inlet port (10).

2. The cylinder head tightness detection device according to claim 1, wherein: the height of the water tank (11) is larger than that of the cylinder cover, and the water tank is used for storing water to submerge the cylinder cover for air tightness detection.

3. The cylinder head tightness detection device according to claim 1, wherein: the height of the air pump (20) is larger than that of the water tank (11) and is used for blocking water from flowing back into the air pump (20).

4. The cylinder head tightness detection device according to claim 1, wherein: and a compression plate (141) is fixedly arranged at the tail end of the telescopic shaft of the air cylinder (14), and the compression plate (141) is used for increasing the contact area between the compression plate and the cylinder cover.

5. The cylinder head tightness detection device according to claim 1, wherein: a drain pipe (25) is fixedly arranged on the remaining pipe body of the three-way pipe (22), and the drain pipe (25) is used for draining.

6. The cylinder head tightness detection device according to claim 1, wherein: the water tank (11) is fixedly provided with a water inlet pipe (15), and the water inlet pipe (15) is used for water inlet operation.

7. The cylinder head tightness detection device according to claim 6, wherein: the water outlet end of the water inlet pipe (15) is fixedly provided with a water tap (16), and the water tap (16) is used for opening and closing water through operation.