Single-cylinder internal combustion engine condenser airtight performance testing device

Abstract

The utility model discloses a single-cylinder internal combustion engine condenser airtight performance testing device, comprising a plurality of support columns, a support crossbeam is provided with a hydraulic oil cylinder, the movable end of the hydraulic oil cylinder extends to the lower part of the support crossbeam, the movable end of the hydraulic oil cylinder is fixedly provided with a pressure head, and the pressure head is provided with a pressure sensor. The bottom ends of the supporting stand columns are jointly and fixedly connected with a specially-made sealing body, a condenser body is arranged on the specially-made sealing body, and an air inlet valve and a pressure gauge are symmetrically arranged on the two sides of the specially-made sealing body. The condenser body is placed at the notch of the special sealing body, then the hydraulic oil cylinder is started to push the pressing head to press the condenser body downwards, compressed air is introduced into the notch through the air inlet valve to fill the notch and an inner cavity of the whole condenser body, after standing is conducted for a specified period of time, the attenuation value of the pressure gauge is observed, and then the condenser body is sealed. Therefore, the air tightness of the condenser body is determined and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of internal combustion engines, in particular to an airtightness testing device for a condenser of a single-cylinder internal combustion engine. Background Art

[0002] A condenser is a device used to convert gas into liquid. It is usually used to cool and condense gas, converting it into liquid form. The working principle of a condenser is based on the principle of cooling and condensing matter.

[0003] The air tightness of the condenser is an important indicator of the condenser, which directly affects the water consumption and safety performance of the condenser. At present, the industry adopts the immersion method, which is to immerse the condenser in water, pressurize the condenser with a certain air pressure, and check whether there are bubbles in the water. This method leads to defects such as poor working environment, long inspection time, high labor intensity of inspectors, and errors caused by visual fatigue. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the above-mentioned existing detection methods, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a single-cylinder internal combustion engine condenser airtightness inspection device, which is designed to solve the problem that "the industry currently adopts the immersion method, immersing the condenser in water, pressing a real air pressure into the condenser, and then checking whether there are bubbles in the water. This method leads to defects such as a poor working environment, a long inspection time, a high labor intensity for inspectors, and errors caused by visual fatigue."

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A single-cylinder internal combustion engine condenser airtightness testing device, comprising:

[0009] A plurality of supporting columns are commonly and fixedly connected to a supporting crossbeam, a hydraulic cylinder is arranged on the supporting crossbeam, a movable end of the hydraulic cylinder extends to the bottom of the supporting crossbeam, a pressure head is fixedly arranged on the movable end of the hydraulic cylinder, a special sealing body is commonly and fixedly connected to the bottom ends of the plurality of supporting columns, a notch is opened on the special sealing body, a condenser body is arranged on the special sealing body, the inner cavity of the condenser body is communicated with the space in the notch, and an air inlet valve and a pressure gauge are symmetrically arranged on both sides of the special sealing body.

[0010] As a preferred solution of the single-cylinder internal combustion engine condenser airtightness testing device described in the utility model, a first sealing gasket is arranged at the bottom end of the pressure head, a second sealing gasket is arranged on the special sealing body, and the second sealing gasket is arranged around the notch.

[0011] As a preferred solution of the single-cylinder internal combustion engine condenser airtightness testing device described in the utility model, wherein: the first sealing gasket and the second sealing gasket are both made of rubber material.

[0012] As a preferred solution of the airtight performance inspection device for the condenser of a single-cylinder internal combustion engine described in the utility model, wherein: the special sealing body is symmetrically provided with through holes, the through holes are connected to the notch, the second through pipe and the first through pipe are fixedly connected to the inner walls of the left and right through holes respectively, the intake valve is arranged on the first through pipe, and the pressure gauge is arranged on the second through pipe.

[0013] As a preferred solution of the airtightness testing device for a single-cylinder internal combustion engine condenser described in the utility model, an anti-corrosion layer is provided on the special sealing body, and the anti-corrosion layer is chromium.

[0014] Beneficial effects of the utility model:

[0015] The device places the condenser body on the notch on the special sealing body, then starts the hydraulic cylinder to push the pressure head to press down the condenser body, and seals the water inlet of the condenser body and the connection with the special sealing body through the first sealing gasket and the second sealing gasket, and then passes the compressed gas into the notch through the air inlet valve to fill the notch and the entire inner cavity of the condenser body. After standing for a prescribed period of time, the attenuation value of the pressure gauge is observed to determine the airtightness of the condenser body. The operation is simple and convenient, and the detection time is short, which reduces the workload of the staff and avoids the phenomenon of errors due to visual fatigue. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 The utility model is a front cross-sectional structural schematic diagram of a single-cylinder internal combustion engine condenser airtightness testing device.

[0018] In the figure: 1. hydraulic cylinder; 2. supporting column; 3. supporting beam; 4. pressure head; 5. first sealing gasket; 6. condenser body; 7. second sealing gasket; 8. air inlet valve; 9. special sealing body; 10. pressure gauge; 11. first through pipe; 12. second through pipe. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0022] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0023] Reference Figure 1 The utility model provides a single-cylinder internal combustion engine condenser airtightness testing device, comprising:

[0024] A plurality of supporting columns 2 are commonly and fixedly connected with a supporting cross beam 3, a hydraulic cylinder 1 is arranged on the supporting cross beam 3, a movable end of the hydraulic cylinder 1 extends to the bottom of the supporting cross beam 3, a pressure head 4 is fixedly arranged on the movable end of the hydraulic cylinder 1, a special sealing body 9 is commonly and fixedly connected with the bottom ends of the plurality of supporting columns 2, a notch is opened on the special sealing body 9, a condenser body 6 is arranged on the special sealing body 9, the inner cavity of the condenser body 6 is connected with the space in the notch, and an air intake valve 8 and a pressure gauge 10 are symmetrically arranged on both sides of the special sealing body 9.

[0025] Among them, a first sealing gasket 5 is arranged at the bottom end of the pressure head 4, and a second sealing gasket 7 is arranged on the special sealing body 9. The second sealing gasket 7 is arranged around the groove, so that the device seals the water inlet of the condenser body 6 and the connection with the special sealing body 9 through the first sealing gasket 5 and the second sealing gasket 7, thereby ensuring the accuracy of the detection.

[0026] Furthermore, the first sealing gasket 5 and the second sealing gasket 7 are both made of rubber material. The sealing gaskets made of rubber material have better durability and better sealing effect.

[0027] Furthermore, the special sealing body 9 is symmetrically provided with through holes, which are connected to the slot, and the second through pipe 12 and the first through pipe 11 are fixedly connected to the inner walls of the left and right through holes respectively, the air intake valve 8 is arranged on the first through pipe 11, and the pressure gauge 10 is arranged on the second through pipe 12. The user can inject air into the slot through the first through pipe 11, and observe the changes in the value on the pressure gauge 10, and then judge the air tightness of the condenser.

[0028] Furthermore, an anti-corrosion layer is provided on the special sealing body 9, and the anti-corrosion layer is chromium, which prevents the special sealing body 9 from rusting and prolongs the service life of the device.

[0029] During use, the condenser body 6 is placed on the notch on the special sealing body 9, and then the hydraulic cylinder 1 is started to push the pressure head 4 to press down the condenser body 6. The water inlet of the condenser body 6 and the connection with the special sealing body 9 are sealed through the first sealing gasket 5 and the second sealing gasket 7. Then, the compressed gas is passed into the notch through the air inlet valve 8 to fill the notch and the entire inner cavity of the condenser body 6. After standing for a prescribed period of time, the attenuation value of the pressure gauge 10 is observed to determine the airtightness of the condenser body 6. The operation is simple and convenient, and the detection time is short, which reduces the workload of the staff and avoids the phenomenon of errors due to visual fatigue.

[0030] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A single-cylinder internal combustion engine condenser airtightness testing device, characterized in that: include: A plurality of support columns (2) are provided, wherein the plurality of support columns (2) are commonly fixedly connected to a support beam (3), a hydraulic cylinder (1) is provided on the support beam (3), a movable end of the hydraulic cylinder (1) extends below the support beam (3), a pressure head (4) is fixedly provided at the movable end of the hydraulic cylinder (1), a special sealing body (9) is commonly fixedly connected to the bottom ends of the plurality of support columns (2), a notch is provided on the special sealing body (9), a condenser body (6) is provided on the special sealing body (9), an inner cavity of the condenser body (6) is in communication with a space in the notch, and an air inlet valve (8) and a pressure gauge (10) are symmetrically provided on both sides of the special sealing body (9).

2. The single-cylinder internal combustion engine condenser airtightness testing device according to claim 1 is characterized in that: A first sealing gasket (5) is arranged at the bottom end of the pressure head (4), and a second sealing gasket (7) is arranged on the special sealing body (9), and the second sealing gasket (7) is arranged around the notch.

3. The single-cylinder internal combustion engine condenser airtightness testing device according to claim 2 is characterized in that: The first sealing gasket (5) and the second sealing gasket (7) are both made of rubber material.

4. The single-cylinder internal combustion engine condenser airtightness testing device according to claim 3 is characterized in that: The special sealing body (9) is symmetrically provided with through holes, the through holes being connected to the notch, and the inner walls of the left and right through holes are respectively fixedly connected with a second through pipe (12) and a first through pipe (11), the air intake valve (8) is arranged on the first through pipe (11), and the pressure gauge (10) is arranged on the second through pipe (12).

5. The single-cylinder internal combustion engine condenser airtightness testing device according to claim 4, characterized in that: The special sealing body (9) is provided with an anti-corrosion layer, and the anti-corrosion layer is chromium.

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