CN218994656U

CN218994656U - Skeleton oil seal detection device

Info

Publication number: CN218994656U
Application number: CN202222843674.0U
Authority: CN
Inventors: 孙庆东; 孙天明
Original assignee: Qingdao Xingjian Automation Technology Co ltd
Current assignee: Qingdao Xingjian Automation Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-05-09
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to the field of oil seal detection, and discloses a skeleton oil seal detection device which effectively solves the problem that an engine needs to be heated from the outside in the prior air tightness detection of an engine skeleton oil seal at high temperature.

Description

Skeleton oil seal detection device

Technical Field

The utility model belongs to the field of oil seal detection, and particularly relates to a skeleton oil seal detection device.

Background

According to the patent document with the authority publication number of CN216846761U, the utility model is named as an air tightness detection device of an automobile engine framework oil seal, and the specification of the patent document is as follows: the utility model realizes the advantage of good detection effect by matching structures such as the sealing cover, the sealing gasket and the fixed pipe, and the like, the engine is vertically placed on the detection table, so that the output shaft end of the engine is right opposite to the inside of the sealing cover, then the sealing cover is regulated to descend and the sealing gasket is tightly attached to the top of the engine, meanwhile, the upper end of the engine can be embedded into the embedded groove to play a sealing effect, then the operation of the gas injection machine is controlled by the control table and gas is injected into the sealing cover through the connecting pipe and the fixed pipe, the pressure sensor can display the gas pressure in the sealing cover on the display screen on the control table in a numerical mode in real time, after certain gas pressure is generated, the gas injection is stopped, and the gas in the sealing cover is prevented from escaping through controlling the closing of the valve, and whether the gas tightness of the engine is qualified can be judged by observing whether the gas pressure value displayed on the control table is reduced, so that the advantage of good detection effect can be realized, but the following defects still exist:

the air tightness of the engine framework oil seal is detected at high temperature, the engine is required to be heated from the outside, and heat is transferred to the inside of the engine slowly, so that the detection speed is slow.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the skeleton oil seal detection device, which effectively solves the problem that the engine needs to be heated from the outside when the air tightness of the skeleton oil seal of the engine is detected at high temperature at present.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the framework oil seal detection device comprises a base, wherein a placement table is arranged at the top end of the base, and a detection assembly is arranged above the placement table;

the detection assembly comprises a sealing cover arranged above the placing table, an air inlet pipe is arranged on one side of the sealing cover, the air inlet pipe is connected with an air pump, a switch valve is arranged in the air inlet pipe, an air pressure sensor is arranged in the sealing cover, a sealing gasket is arranged on the inner wall of the sealing cover, a heating block is arranged in the sealing cover, a heating coil is arranged in the heating block, and the heating coil is externally connected with a power supply.

Preferably, the lifting assembly is installed on the top of the base, the detector is installed on the top of the base, and the detector is electrically connected with the air pressure sensor.

Preferably, the lifting assembly comprises a screw barrel arranged at the top end of the base, a screw rod is connected with the screw barrel in a threaded manner, and a rotating handle is arranged on the screw rod.

Preferably, the top of screw rod rotates and is connected with the mount table, and the bottom and the sealed cowling fixed connection of mount table.

Preferably, a guide groove is formed in the mounting table, a guide rod is inserted into the guide groove, and the guide rod is fixedly mounted at the top end of the base.

Preferably, a sleeve is arranged on the inner top wall of the sealing cover, a movable block is connected in the sleeve in a sliding manner, a bottom rod is arranged at the bottom end of the movable block, the bottom rod is fixedly connected with the heating block, and a spring is arranged at the top end of the movable block.

Preferably, the movable block is internally provided with a magnetic block, an electromagnet is arranged above the sealing cover, the electromagnet is fixedly arranged at the top end of the mounting table, the electromagnet is magnetically connected with the magnetic block, and the electromagnet is externally connected with a power supply.

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

(1) According to the utility model, the air in the sealed space is heated and expanded by the heating block, so that the air pressure in the sealed space is increased, the air pressure sensor detects the air pressure in the sealed space, when the detection result is that the air pressure is slowly increased, the air pressure sensor shows good tightness, when the detection result is that the air pressure is atmospheric pressure, the tightness is proved to have defects, and meanwhile, the air pressure sensor can simulate a high-temperature operation environment and improve the detection effect due to detection when the temperature is higher;

(2) When this novel heating through the heating block, the electro-magnet circular telegram for the electro-magnet produces repulsion to the inside magnetic path of movable block, thereby drives the continuous downwardly moving of heating block, makes the heating block to heat the air of co-altitude not, improves heating efficiency, facilitates the use.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a skeleton oil seal detecting device;

FIG. 2 is a schematic view of a lifting assembly according to the present utility model;

FIG. 3 is a schematic diagram of a detecting assembly according to the present utility model;

in the figure: 1. a base; 2. a placement table; 3. a lifting assembly; 301. a screw cylinder; 302. a screw; 303. a rotating handle; 304. a mounting table; 305. a guide groove; 306. a guide rod; 4. a detection assembly; 401. a sealing cover; 402. an electromagnet; 403. an air inlet pipe; 404. a sealing gasket; 405. an air pressure sensor; 406. a sleeve; 407. a movable block; 408. a bottom bar; 409. a heating block; 410. a spring; 5. and a detector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

The first embodiment is shown in fig. 1-3, the utility model comprises a base 1, wherein a placing table 2 is arranged at the top end of the base 1, and a detection component 4 is arranged above the placing table 2;

the detection assembly 4 comprises a sealing cover 401 arranged above the placement table 2, an air inlet pipe 403 is arranged on one side of the sealing cover 401, the air inlet pipe 403 is connected with an air pump, a switch valve is arranged in the air inlet pipe 403, an air pressure sensor 405 is arranged in the sealing cover 401, a sealing gasket 404 is arranged on the inner wall of the sealing cover 401, a heating block 409 is arranged in the sealing cover 401, a heating coil is arranged in the heating block 409, a heating coil is externally connected with a power supply, a lifting assembly 3 is arranged at the top end of the base 1, a detector 5 is arranged at the top end of the base 1, the detector 5 is electrically connected with the air pressure sensor 405, the lifting assembly 3 comprises a screw cylinder 301 arranged at the top end of the base 1, a screw rod 302 is connected with an internal thread of the screw cylinder 301, a rotating handle 303 is arranged on the screw rod 302, the top end of the screw rod 302 is rotatably connected with a mounting table 304, the bottom end of the mounting table 304 is fixedly connected with the sealing cover 401, a guide groove 305 is arranged in the sealing table, the guide rod 306 is fixedly arranged at the top end of the base 1, a sleeve 406 is arranged on the inner top wall of the sealing cover 401, a movable block 406 is connected with the inner top end of the sealing cover, a movable block 407 is slidably arranged in the inner top wall of the sleeve 406, a movable block 408 is connected with the electromagnet 408, a magnetic electromagnet 408 is arranged at the bottom end of the movable block 408, and the electromagnet 408 is fixedly connected with the top end of the electromagnet 402, and the electromagnet 408 is arranged at the top end of the electromagnet 402;

the heating of heating piece 409 makes the inside air of sealed space be heated and expands to make the inside atmospheric pressure of sealed space increase, atmospheric pressure sensor 405 detects the inside atmospheric pressure of sealed space, when the testing result is the atmospheric pressure and slowly increases, indicate that the leakproofness is good, it has the defect to indicate the leakproofness when the testing result is atmospheric pressure, simultaneously because detect when the temperature is higher, thereby can simulate high temperature operational environment, improve the detection effect, when heating piece 409 heats, electro-magnet 402 circular telegram makes electro-magnet 402 produce repulsion to the inside magnetic path of movable block 407, thereby drive heating piece 409 and constantly move downwards, make heating piece 409 can heat the air of different co-altitude, improve heating efficiency, facilitate the use.

Working principle: when the air-tight type air-heating device is used, a motor is placed on the placing table 2, the rotating handle 303 is rotated, the screw 302 is in threaded connection with the screw cylinder 301, so that the screw 302 is driven to continuously enter the screw cylinder 301, the mounting table 304 is enabled to move downwards due to the limiting effect of the guide rod 306, the sealing pad 404 on the sealing cover 401 is tightly attached to the motor oil seal, the motor is enabled to be sealed inside, the air pump is enabled to ventilate inside the sealing cover 401, the air inlet pipe 403 is closed, the heating block 409 is enabled to be electrified, the heating block 409 generates heat, the heating block 409 is enabled to heat the inside of the sealing space, the air in the sealing space is enabled to be heated and expanded, the air pressure in the sealing space is enabled to be slowly increased, the air pressure sensor 405 detects the air pressure in the sealing space and reflects the detection result on the detector 5, when the detection result is that the air pressure is slowly increased, the sealing performance is good, the defect is indicated when the detection result is that the air pressure is strong, in the sealing performance, in the heating block 409 is heated, the electromagnet 402 is enabled to generate air pressure inside the sealing cover, the heating block 407, the heating block 409 is enabled to heat, the air-sealing block 409 is enabled to heat, the inside the sealing block 409 is heated, the sealing device is enabled to heat, the air and the sealing device is heated, the air is enabled to be heated, and the inside the sealing device is heated, and the air is enabled to be different, and the air is enabled to be heated.

Claims

1. The utility model provides a skeleton oil blanket detection device, includes base (1), its characterized in that: a placing table (2) is arranged at the top end of the base (1), and a detection assembly (4) is arranged above the placing table (2);

the detection assembly (4) comprises a sealing cover (401) arranged above the placement table (2), an air inlet pipe (403) is arranged on one side of the sealing cover (401), the air inlet pipe (403) is connected with an air pump, a switch valve is arranged in the air inlet pipe (403), an air pressure sensor (405) is arranged in the sealing cover (401), a sealing gasket (404) is arranged on the inner wall of the sealing cover (401), a heating block (409) is arranged in the sealing cover (401), a heating coil is arranged in the heating block (409), and a power supply is externally connected with the heating coil.

2. The skeleton oil seal detection device according to claim 1, wherein: lifting assembly (3) are installed on the top of base (1), detector (5) and air pressure sensor (405) electric connection.

3. The skeleton oil seal detecting device according to claim 2, wherein: the lifting assembly (3) comprises a screw cylinder (301) arranged at the top end of the base (1), a screw rod (302) is connected with the screw cylinder (301) in a threaded mode, and a rotating handle (303) is arranged on the screw rod (302).

4. A skeleton oil seal detecting device according to claim 3, wherein: the top end of the screw rod (302) is rotationally connected with an installation table (304), and the bottom end of the installation table (304) is fixedly connected with a sealing cover (401).

5. The skeleton oil seal detecting device according to claim 4, wherein: the inside of mount table (304) has offered guide way (305), and peg graft in the inside of guide way (305) has guide bar (306), and guide bar (306) fixed mounting is in the top of base (1).

6. The skeleton oil seal detection device according to claim 1, wherein: a sleeve (406) is arranged on the inner top wall of the sealing cover (401), a movable block (407) is connected inside the sleeve (406) in a sliding mode, a bottom rod (408) is arranged at the bottom end of the movable block (407), the bottom rod (408) is fixedly connected with a heating block (409), and a spring (410) is arranged at the top end of the movable block (407).

7. The skeleton oil seal detecting device according to claim 6, wherein: the movable block (407) is internally provided with a magnetic block, an electromagnet (402) is arranged above the sealing cover (401), the electromagnet (402) is fixedly arranged at the top end of the mounting table (304), the electromagnet (402) is magnetically connected with the magnetic block, and the electromagnet (402) is externally connected with a power supply.