CN219434285U

CN219434285U - Engine water jacket plug air tightness detection device

Info

Publication number: CN219434285U
Application number: CN202320699815.8U
Authority: CN
Inventors: 范奇达; 应佳舟; 潘宏培; 陈宣臻; 万志学
Original assignee: Zhoushan 7412 Fac
Current assignee: Zhoushan 7412 Fac
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-28
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses an engine water jacket plug air tightness detection device, which comprises an air source, a water tank containing aqueous solution and at least one tool main body arranged in the water tank, wherein the tool main body is made of cast aluminum materials and is provided with an inner cavity; the method has the advantages of simple operation, low manufacturing cost and energy efficiency in detecting the air tightness of the water jacket plug.

Description

Engine water jacket plug air tightness detection device

Technical Field

The utility model relates to a detection device, in particular to an engine water jacket plug air tightness detection device.

Background

The water jacket has the functions of transferring heat energy to cooling liquid through heat conduction at the temperatures of the combustion chamber of the engine and the inner wall of the cylinder body, circulating the cooling liquid to the radiator under the action of the water pump, radiating the heat by the radiator through the flow of external air, and recirculating the cooled cooling liquid to the water jacket of the engine to receive the heat generated during the operation of the engine, so that the cooling liquid circulates, and the water jacket plug has the function of sealing the water jacket processing hole to ensure that the cooling liquid in the engine cylinder cover does not leak in the circulation process.

At present, in the actual assembly process, the axial force of the water jacket plug is lost, the quality factor of the plug is mainly caused, the deformation of the aluminum gasket of the supporting surface is insufficient, and the leakage is caused by poor sealing, but the leakage of the water jacket plug is usually discovered due to the generation of fault codes in the service process after the assembly of an engine of a main engine factory, so that in the actual manufacturing and processing process, the air tightness is necessarily checked to improve the process processing technology, the leakage of a vehicle in the service process is ensured, however, no special detection equipment is designed for the water jacket plug to detect the air tightness, and in order to solve the problems, the design of a special air tightness detection device is very necessary.

Disclosure of Invention

The utility model aims to solve the problems and provide the device for detecting the air tightness of the water jacket plug of the engine, which has the advantages of simple operation, low manufacturing cost and energy efficiency.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an engine water jacket plug gas tightness detection device, includes the air supply, holds the water tank of aqueous solution and at least one is placed frock main part in the water tank, the frock main part is made by cast aluminium material, and has an inner chamber, the upper end of frock main part is provided with the screw hole that supplies water jacket plug spiro union, the screw hole with the inner chamber is linked together, the lower extreme sealing connection of frock main part have one with the trachea that the inner chamber is linked together, the trachea pass through the air-vent valve with the air supply is linked together.

The lower extreme sealing connection of frock main part has a joint, tracheal one end with connect and be linked together. In this structure, the setting of joint is used for realizing the intercommunication of trachea and frock main part, adopts the joint as middle transition piece, realizes the smooth and easy intercommunication of gas circuit.

The lower extreme of frock main part is provided with the mounting hole, the upper end spiro union of joint is in the mounting hole, just the upper end winding of joint is provided with sealing adhesive tape. In this structure, the mode that the joint adopted the spiro union is fixed with the mounting hole, has both realized the quick purpose of dismouting, has improved the leakproofness between joint and the frock main part again simultaneously, and sealing tape's setting has then further strengthened the sealing performance between the two.

The number of the tool main bodies is not less than two, a main pipe is communicated with the air pipe and provided with an air cavity, the tool main bodies are connected to the main pipe at equal intervals through corresponding connectors, and the inner cavity is communicated with the air cavity. In this structure, the number of frock main part is not less than two, can carry out the test of a plurality of samples from this, and the distance between the adjacent frock main part is not less than 15cm to avoid the bubble that produces to cause the mutual influence, when the air supply air feed, through the air cavity that the trachea flow direction was responsible for, by the air cavity distribution to each frock main part's inner chamber in again, improve detection efficiency greatly.

The utility model discloses a gas pipe, including main pipe, inserted hole, screw joint, the inserted hole department spiro union has the shutoff piece, the other end of main pipe is provided with the double-screw bolt that the trachea is linked together, the external diameter of double-screw bolt with the internal diameter looks adaptation of inserted hole. In this structure, when the double-screw bolt of being responsible for inserts the inserted hole of adjacent being responsible for, can realize the assembly of many main pipes, can assemble from this according to actual conditions, carry out the detection of more samples, the setting of shutoff piece is used for shutoff inserted hole, also is provided with the internal thread on the inserted hole inner wall to the double-screw bolt inserts the spiro union.

The tool comprises a tool body and is characterized in that a first plane and a second plane are arranged on the side wall of the tool body, the first plane and the second plane are symmetrically distributed, and a handheld area convenient for an operator to hold is formed between the first plane and the second plane. Therefore, the tool main body is convenient to hold, and the water jacket plug is convenient to screw.

The air source is an air compressor, and the pressure regulating valve is arranged at an air outlet of the air compressor. In this structure, the air compressor machine is prior art, and it can be continuously stable air feed.

Compared with the prior art, the utility model has the advantages that: the air source is connected with the tool main body with the inner cavity in an air pipe mode, the water jacket plug is screwed into the installation threaded hole in a torque installation mode, the device is immersed into the aqueous solution, the pressure regulating valve is regulated, whether the aqueous solution has air bubbles or not is checked to verify the air tightness of the water jacket plug, and the detection device has the advantages of reasonable design, simplicity in operation, accuracy in measurement, safety and reliability and low manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art are briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a tool body according to the present utility model;

FIG. 2 is a cross-sectional view of the body of the tool of the present utility model;

FIG. 3 is a schematic perspective view of the present utility model;

fig. 4 is a schematic perspective view of a main pipe according to the present utility model.

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 utility model, 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.

Embodiment one: as shown in the figure, the air tightness detection device for the water jacket plug of the engine comprises an air source 1, a water tank 2 containing aqueous solution and at least one tool main body 3 placed in the water tank 2, wherein the tool main body 3 is made of cast aluminum materials and is provided with an inner cavity 31, the upper end of the tool main body 3 is provided with a threaded hole 32 for the water jacket plug to be screwed, the threaded hole 32 is communicated with the inner cavity 31, the lower end of the tool main body 3 is hermetically connected with an air pipe 4 communicated with the inner cavity 31, and the air pipe 4 is communicated with the air source 1 through a pressure regulating valve 5.

The tool main body 3 is made of cast aluminum material, is consistent with the material of an actual engine cylinder cover, and is AC12 cast aluminum;

the internal thread structure of the threaded hole 32 is processed in a manner consistent with that of the actual engine cylinder head, and the surface roughness of the two is also consistent, thereby being more close to the actual condition.

Embodiment two: as shown in the figure, unlike the first embodiment, the lower end of the tool body 3 is connected with a connector 6 in a sealing manner, and one end of the air pipe 4 is communicated with the connector 6. In this structure, the setting of joint 6 is used for realizing the intercommunication of trachea 4 and frock main part 3, adopts joint 6 as middle transition piece, realizes the smooth and easy intercommunication of gas circuit.

The lower extreme of frock main part 3 is provided with mounting hole 33, and the upper end spiro union of joint 6 is in mounting hole 33, and the upper end winding of joint 6 is provided with the sealing tape. In this structure, connect 6 and adopt the mode of spiro union to fix with mounting hole 33, both realized the quick purpose of dismouting, improved simultaneously again and connect 6 and frock main part 3 between the leakproofness, and sealing tape's setting has then further strengthened the sealing performance between the two.

The number of the tool main bodies 3 is not less than two, the air pipes 4 are communicated with one main pipe 7, the main pipe 7 is provided with an air cavity, the tool main bodies 3 are connected to the main pipe 7 at equal intervals through corresponding joints 6, and the inner cavity 31 is communicated with the air cavity. In this structure, the number of frock main part 3 is not less than two, can carry out the test of a plurality of samples from this, and the distance between the adjacent frock main part 3 is not less than 15cm to avoid the bubble that produces to cause the mutual influence, when air supply 1 air feed, flow to the air cavity of being responsible for 7 through trachea 4, in the inner chamber 31 of each frock main part 3 is distributed by the air cavity again, improves detection efficiency greatly.

Embodiment III: as shown in the figure, unlike the second embodiment, an insertion port 71 is formed at one end of the main pipe 7, a blocking member 72 is screwed at the insertion port 71, a stud 73 communicating with the air pipe 4 is disposed at the other end of the main pipe 7, and an outer diameter of the stud 73 is adapted to an inner diameter of the insertion port 71. In this structure, when the stud 73 of the main pipe 7 is inserted into the insertion port 71 of the adjacent main pipe 7, the assembly of the plurality of main pipes 7 can be realized, thereby the assembly can be performed according to the actual situation, the detection of more samples can be performed, the plugging member 72 is provided for plugging the insertion port 71, and the internal thread is also provided on the inner wall of the insertion port 71, so that the stud 73 is inserted into the screw connection.

The side wall of the tool body 3 is provided with a first plane 34 and a second plane 35, the first plane 34 and the second plane 35 are symmetrically distributed, and a handheld area convenient for an operator to hold is formed between the first plane 34 and the second plane 35. Therefore, the tool main body 3 is convenient to hold, and the water jacket plug is convenient to screw.

The air source 1 is an air compressor, and the pressure regulating valve 5 is arranged at an air outlet of the air compressor. In this structure, the air compressor machine is prior art, and it can be continuously stable air feed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an engine water jacket plug gas tightness detection device which characterized in that: the tool comprises an air source, a water tank containing aqueous solution and at least one tool body placed in the water tank, wherein the tool body is made of cast aluminum materials and is provided with an inner cavity, the upper end of the tool body is provided with a threaded hole for the water supply sleeve plug screw connection, the threaded hole is communicated with the inner cavity, the lower end of the tool body is hermetically connected with an air pipe communicated with the inner cavity, and the air pipe is communicated with the air source through a pressure regulating valve.

2. The engine water jacket plug air tightness detection device according to claim 1, wherein: the lower extreme sealing connection of frock main part has a joint, tracheal one end with connect and be linked together.

3. The engine water jacket plug air tightness detection device according to claim 2, wherein: the lower extreme of frock main part is provided with the mounting hole, the upper end spiro union of joint is in the mounting hole, just the upper end winding of joint is provided with sealing adhesive tape.

4. The engine water jacket plug air tightness detection device according to claim 3, wherein: the number of the tool main bodies is not less than two, a main pipe is communicated with the air pipe and provided with an air cavity, the tool main bodies are connected to the main pipe at equal intervals through corresponding connectors, and the inner cavity is communicated with the air cavity.

5. The engine water jacket plug air tightness detection device according to claim 4, wherein: the utility model discloses a gas pipe, including main pipe, inserted hole, screw joint, the inserted hole department spiro union has the shutoff piece, the other end of main pipe is provided with the double-screw bolt that the trachea is linked together, the external diameter of double-screw bolt with the internal diameter looks adaptation of inserted hole.

6. The engine water jacket plug air tightness detection device according to claim 1, wherein: the tool comprises a tool body and is characterized in that a first plane and a second plane are arranged on the side wall of the tool body, the first plane and the second plane are symmetrically distributed, and a handheld area convenient for an operator to hold is formed between the first plane and the second plane.

7. The engine water jacket plug air tightness detection device according to claim 1, wherein: the air source is an air compressor, and the pressure regulating valve is arranged at an air outlet of the air compressor.