阅读说明：本技术 气密罐防呆装置 (Fool-proof device for airtight tank ) 是由 徐勇 赖伟 郝钦 杨紫娟 邓尚旭 田慧艳 鞠朝鑫 钟奕 刘李 刘杨滔 于 2021-09-03 设计创作，主要内容包括：本发明具体公开了气密罐防呆装置,包括气密罐主体、气密罐紧固装置、气密罐盖、气密罐体环形支架、桌面固定块、气密罐盖限位块、转动滚筒长、气密罐盖固定架、转动滚筒短、气密罐盖固定挂钩、电磁铁、按钮接触开关、压力表、电源、第一继电器、第二继电器及计时器。本发明通过将气密罐盖和气密罐主体连接在一起,消除了气密罐盖飞出伤人的隐患。同时,本发明气密罐防呆装置,在通气时,只需设定气密罐的通气时间和负压值,便可实现气密罐自动排气和开盖,避免了因操作人员错误操作,而造成人员生命危险,提高了安全性和工作效率。(The invention particularly discloses a foolproof device for an airtight tank, which comprises an airtight tank main body, an airtight tank fastening device, an airtight tank cover, an airtight tank annular support, a desktop fixing block, an airtight tank cover limiting block, a long rotating roller, an airtight tank cover fixing frame, a short rotating roller, an airtight tank cover fixing hook, an electromagnet, a button contact switch, a pressure gauge, a power supply, a first relay, a second relay and a timer. The invention eliminates the hidden danger that the airtight tank cover flies out to hurt people by connecting the airtight tank cover and the airtight tank main body together. Meanwhile, the foolproof device for the airtight tank can realize automatic exhaust and cover opening of the airtight tank only by setting the ventilation time and the negative pressure value of the airtight tank during ventilation, so that the life danger of operators caused by misoperation of the operators is avoided, and the safety and the working efficiency are improved.)

1. Fool-proofing device of airtight tank, its characterized in that: the airtight tank comprises an airtight tank main body, an airtight tank fastening device, an airtight tank cover, an airtight tank body annular support, a desktop fixing block, an airtight tank cover limiting block, a rotating roller long, an airtight tank cover fixing frame, a rotating roller short, an airtight tank cover fixing hook, an electromagnet, a button contact switch, a pressure gauge, a power supply, a first relay, a second relay and a timer;

the upper end of the airtight tank main body is fixedly connected with the airtight tank fastening device, and the lower end of the airtight tank main body is fixedly connected with the desktop fixing block; the airtight tank cover is rotationally connected with the airtight tank fastening device; the upper part of the desktop fixing block is fixedly connected with the annular bracket of the airtight tank body; one side of the annular bracket of the airtight tank body is provided with the airtight tank cover limiting block, and the other side of the annular bracket of the airtight tank body is provided with the electromagnet and the button contact switch; the air-tight can cover limiting block is used for limiting the opening angle of the air-tight can cover; one end of the airtight tank cover fixing frame is rotationally connected with the airtight tank body annular support through the length of the rotating roller, the other end of the airtight tank cover fixing frame is rotationally connected with the airtight tank cover fixing hook through the length of the rotating roller, and the airtight tank cover fixing frame is provided with a pressure gauge which is used for measuring the pressure of the airtight tank;

the power supply is respectively connected with the electromagnet, the button contact switch, the first relay, the second relay and the pressure gauge to supply power;

when the airtight tank cover is closed, the airtight tank cover fixing hook is in contact with the button contact switch, the first relay is closed to form a loop, the button contact switch is powered on, the electromagnet is electrified to suck the airtight tank cover fixing hook, the airtight tank cover fixing hook hooks the airtight tank body annular support, the airtight tank cover is locked, and the timer starts to time;

when the timer counts time and reaches a set first preset value, the airtight tank starts to exhaust, and when the negative pressure of the pressure gauge is lower than a set second preset value, the second relay is closed to form a loop, the electromagnet is controlled to lose power, and the airtight tank cover can be unlocked and opened.

2. The airtight tank fool-proofing device of claim 1, wherein: the first relay comprises three contacts, wherein the first contact is connected with the button contact switch, the second contact is connected with the timer, the third contact is connected with the electromagnet, and a main switch is arranged between the button contact switch and the power supply;

the second relay comprises three contacts, wherein the first contact is connected with the pressure gauge, the second contact is connected with the electromagnet, and the third contact is connected with the power supply; the pressure gauge is connected with the timer.

3. The airtight tank fool-proofing device of claim 1, wherein: the device also comprises a table top, and the airtight tank main body is fixedly connected with the table top through the table top fixing block.

4. The airtight tank fool-proofing device of claim 1, wherein: the two desktop fixing blocks are arranged.

5. The airtight tank fool-proofing device of claim 1, wherein: the maximum opening angle of the airtight can cover is 140 degrees.

6. The airtight tank fool-proofing device of claim 1, wherein: the voltage of the power supply is 24V.

Technical Field

The invention belongs to the technical field of airtight tanks, and particularly relates to a fool-proof device of an airtight tank.

Background

The airtight tank is used for containing high-pressure liquid, the tank and the cover of the existing airtight tank are fixedly connected through the airtight tank locking ring, when the airtight tank is ventilated, the interior of the airtight tank is in a high-pressure state, if an operator operates the airtight tank by mistake, the airtight tank locking ring is not screwed down, the airtight tank is not exhausted completely or the airtight tank is forgotten to exhaust, the tank is directly opened, high-pressure air in the tank can jack the cover instantly, and life danger can be caused to people.

Disclosure of Invention

The invention aims to provide a fool-proof device of an airtight tank, which aims to solve the technical problems in the prior art.

In order to achieve the purpose, the technical scheme of the invention is as follows: the airtight tank fool-proofing device comprises an airtight tank main body, an airtight tank fastening device, an airtight tank cover, an airtight tank body annular support, a desktop fixing block, an airtight tank cover limiting block, a long rotating roller, an airtight tank cover fixing frame, a short rotating roller, an airtight tank cover fixing hook, an electromagnet, a button contact switch, a pressure gauge, a power supply, a first relay, a second relay and a timer;

the upper end of the airtight tank main body is fixedly connected with the airtight tank fastening device, and the lower end of the airtight tank main body is fixedly connected with the desktop fixing block; the airtight tank cover is rotationally connected with the airtight tank fastening device; the upper part of the desktop fixing block is fixedly connected with the annular bracket of the airtight tank body; one side of the annular bracket of the airtight tank body is provided with the airtight tank cover limiting block, and the other side of the annular bracket of the airtight tank body is provided with the electromagnet and the button contact switch; the air-tight can cover limiting block is used for limiting the opening angle of the air-tight can cover; one end of the airtight tank cover fixing frame is rotationally connected with the airtight tank body annular support through the length of the rotating roller, the other end of the airtight tank cover fixing frame is rotationally connected with the airtight tank cover fixing hook through the length of the rotating roller, and the airtight tank cover fixing frame is provided with a pressure gauge which is used for measuring the pressure of the airtight tank;

the power supply is respectively connected with the electromagnet, the button contact switch, the first relay, the second relay and the pressure gauge to supply power;

when the airtight tank cover is closed, the airtight tank cover fixing hook is in contact with the button contact switch, the first relay is closed to form a loop, the button contact switch is powered on, the electromagnet is electrified to suck the airtight tank cover fixing hook, the airtight tank cover fixing hook hooks the airtight tank body annular support, the airtight tank cover is locked, and the timer starts to time;

when the timer counts time and reaches a set first preset value, the airtight tank starts to exhaust, and when the negative pressure of the pressure gauge is lower than a set second preset value, the second relay is closed to form a loop, the electromagnet is controlled to lose power, and the airtight tank cover can be unlocked and opened.

Further, the first relay comprises three contacts, wherein the first contact is connected with the button contact switch, the second contact is connected with the timer, the third contact is connected with the electromagnet, and a main switch is arranged between the button contact switch and the power supply;

the second relay comprises three contacts, wherein the first contact is connected with the pressure gauge, the second contact is connected with the electromagnet, and the third contact is connected with the power supply; the pressure gauge is connected with the timer.

Further, the device also comprises a table top, and the airtight tank main body is fixedly connected with the table top through the table top fixing block.

Furthermore, the two desktop fixing blocks are arranged.

Further, the maximum open-lid angle of the airtight can lid is 140 °.

Further, the voltage of the power supply is 24V.

The working principle of the technical scheme is as follows: when the airtight tank cover is closed, the airtight tank cover fixing hook is in contact with the button contact switch, the first relay is closed to form a loop, the button contact switch is powered on, the electromagnet is electrified to suck the airtight tank cover fixing hook, the airtight tank cover fixing hook hooks the airtight tank body annular support, the airtight tank cover is locked, and the timer starts to time; when the timer counts time and reaches a set first preset value, the airtight tank starts to exhaust, and when the negative pressure of the pressure gauge is lower than a set second preset value, the second relay is closed to form a loop, the electromagnet is controlled to lose power, and the airtight tank cover can be unlocked and opened.

The beneficial effects of this technical scheme lie in: the invention eliminates the hidden danger that the airtight tank cover flies out to hurt people by connecting the airtight tank cover and the airtight tank main body together. Meanwhile, the foolproof device for the airtight tank can realize automatic exhaust and cover opening of the airtight tank only by setting the ventilation time and the negative pressure value of the airtight tank during ventilation, so that the life danger of operators caused by misoperation of the operators is avoided, and the safety and the working efficiency are improved.

Drawings

FIG. 1 is a schematic view of a first angled side of the foolproof device of an airtight container of the present invention;

FIG. 2 is a schematic view of a second angular side of the foolproof device of the airtight container of the present invention;

FIG. 3 is a schematic view of the third angular side of the foolproof device of the airtight container of the present invention;

fig. 4 is a circuit connection diagram of the foolproof device of the airtight tank of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: 1. a hermetic container body; 2. an airtight tank fastening device; 3. an airtight can cover; 4. an airtight tank body annular support; 5. a desktop fixing block; 6. an airtight tank cover limiting block; 7. the rotating roller is long; 8. an airtight tank cover fixing frame; 9. the rotating roller is short; 10. the hook is fixed on the airtight tank cover; 11. an electromagnet; 12. a button contact switch; 13. a pressure gauge; 14. a power source; 15. a first relay; 16. a second relay; 17. a timer; 18. a main switch, 19 and a table top.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiments are substantially as shown in figures 1 to 4 of the accompanying drawings: the airtight tank fool-proofing device comprises an airtight tank body 1, an airtight tank fastening device 2, an airtight tank cover 3, an airtight tank body annular support 4, a desktop fixing block 5, an airtight tank cover limiting block 6, a rotary roller length 7, an airtight tank cover fixing frame 8, a rotary roller length 9, an airtight tank cover fixing hook 10, an electromagnet 11, a button contact switch 12, a pressure gauge 13, a power supply 14, a first relay 15, a second relay 16 and a timer 17.

The upper end of the airtight tank main body 1 is fixedly connected with the airtight tank fastening device 2, the lower end of the airtight tank main body is fixedly connected with the desktop fixing block 5, and the two desktop fixing blocks 5 are arranged; the airtight tank cover 3 is rotationally connected with the airtight tank fastening device 2; the upper part of the desktop fixing block 5 is fixedly connected with the airtight tank body annular bracket 4; one side of the annular bracket 4 of the airtight tank body is provided with an airtight tank cover limiting block 6, and the other side is provided with an electromagnet 11 and a button contact switch 12; the airtight tank cover limiting block 6 is used for limiting the opening angle of the airtight tank cover 3, and the maximum opening angle of the airtight tank cover 3 is 140 degrees; one end of an airtight tank cover fixing frame 8 is rotationally connected with the airtight tank body annular support 4 through a rotating roller length 7, the other end of the airtight tank cover fixing frame is rotationally connected with an airtight tank cover fixing hook 10 through a rotating roller short 9, a pressure gauge 13 is arranged on the airtight tank cover fixing frame 8, and the pressure gauge 13 is used for measuring the pressure of the airtight tank;

the power supply 14 is respectively connected with the electromagnet 11, the button contact switch 12, the first relay 15, the second relay 16 and the pressure gauge 13 to supply power, and the voltage of the power supply 14 is 24V. When the airtight tank cover 3 is closed, the airtight tank cover fixing hook 10 contacts the button contact switch 12, the first relay 15 is closed to form a loop, the button contact switch 12 is electrified, the electromagnet 11 is electrified to suck the airtight tank cover fixing hook 10, the airtight tank cover fixing hook 10 hooks the airtight tank body annular support 4, the airtight tank cover 3 is locked, the timer 17 starts to time, and the timer 17 is used for measuring the ventilation time of the airtight tank; when the timer 17 counts time and reaches a set first preset value, the airtight tank starts to exhaust, and when the negative pressure of the pressure gauge 13 is lower than a set second preset value, the second relay 16 is closed to form a loop, the electromagnet 11 is controlled to be powered off, and the airtight tank cover 3 can be unlocked and opened.

The first relay 15 comprises three contacts, wherein the first contact is connected with the button contact switch 12, the second contact is connected with the timer 17, the third contact is connected with the electromagnet 11, a main switch 18 is arranged between the button contact switch 12 and the power supply 14, and the main switch 18 is used for controlling the power-off and power supply of the whole circuit; the second relay 16 comprises three contacts, wherein the first contact is connected with the pressure gauge 13, the second contact is connected with the electromagnet 11, and the third contact is connected with the power supply 14; the pressure gauge 13 is connected to a timer 17.

The airtight tank fool-proofing device further comprises a table top 19, and the airtight tank body 1 is fixedly connected with the table top 19 through a table top fixing block 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.