CN217177437U

CN217177437U - Safety valve

Info

Publication number: CN217177437U
Application number: CN202123057450.9U
Authority: CN
Inventors: 何先志
Original assignee: Suzhou Tianyinglan Intelligent Environmental Protection Technology Co ltd
Current assignee: Suzhou Tianyinglan Intelligent Environmental Protection Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-08-12
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a safety valve relates to sealing member technical field, is difficult to guarantee sealing performance's problem when aiming at solving the valve block inefficacy. The key points of the technical scheme are as follows: the air pressure of the air cavity is larger than or smaller than the air pressure of two sides of the valve block, and a reminding assembly for detecting the change of the air pressure in the air cavity is communicated with the air cavity. The utility model discloses a set up two valve blocks to with two valve block linkages, make two valve blocks open simultaneously and close and open, through setting up the air pump and reminding the piece, make the operating condition that the staff can know the valve block, accomplish the change of valve block when the valve block became invalid, and be the closure state when the valve body became invalid, make the security improve greatly, reduce the leakage of waste gas simultaneously, increased the feature of environmental protection.

Description

Safety valve

Technical Field

The utility model relates to a sealing member technical field, more specifically say, it relates to a safety valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

When the valve is used, the valve loses the sealing effect temporarily due to the failure of the valve, so that the fluids on two sides are mixed, the water leakage condition is caused, the sealing performance of the valve is difficult to ensure under the condition of leakage, and only the danger coefficient is larger.

The utility model provides a new technical scheme is difficult to guarantee sealing performance's problem when solving the valve block inefficacy.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a safety valve reminds the subassembly through setting up, make when the valve block became invalid, remind external staff this department valve to become invalid, through setting up the air pump, the valve block receives an effort towards both sides all the time, make between valve block and the valve body contact inseparabler, make the sealing performance of valve body promote, through setting up the linkage subassembly, make two valve blocks remain the same motion state all the time, prevent mutual interference between two valve blocks, make the valve block be difficult to close.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a safety valve, includes the valve body and rotates the valve block of connection on the valve body, the quantity of valve block is provided with two, be provided with the air cavity between the valve block, the atmospheric pressure of air cavity is greater than or is less than the atmospheric pressure of valve block both sides, the intercommunication has the warning subassembly that detects the interior atmospheric pressure change of air cavity in the air cavity.

Through adopting the above-mentioned technical scheme, through setting up the air cavity, make air cavity internal gas pressure great, make when the valve block became invalid, this valve is difficult to direct inefficacy, and through setting up two valve blocks, make the leakproofness of valve better, simultaneously through setting up the atmospheric pressure change in the detection air cavity, the atmospheric pressure of air cavity is greater than or is less than the atmospheric pressure of valve block both sides, can know the atmospheric pressure change in the air cavity during the leakage, thereby know whether the valve block takes place to leak, simultaneously through setting up two valve blocks, make when a valve appears leaking, accomplish sealed work all the time, when a valve block appears leaking, can accomplish the valve block inefficacy and remind, greatly increased the security of valve.

The utility model discloses further set up to: the air pressure of the air cavity is larger than the air pressure of the two sides of the valve plate.

Through adopting above-mentioned technical scheme, the atmospheric pressure of air cavity is greater than the atmospheric pressure of valve block both sides, and great atmospheric pressure makes two valve blocks keep away from each other for the laminating that the valve block can be comparatively inseparable is on the valve body, makes the leakproofness of valve block better.

The utility model discloses further set up to: the air cavity is communicated with an air pump.

Through adopting above-mentioned technical scheme, through setting up the air pump for the air pump is to the air cavity in-injection air, thereby makes to have higher atmospheric pressure in the air cavity.

The utility model discloses further set up to: the valve block is characterized in that a reminding assembly is communicated with the air cavity, a reminding end and a marking end are arranged on the reminding assembly, a normal scale is arranged on the marking end, the scale corresponds to the normal air pressure of work in the air cavity, and when the horizontal height of the reminding piece is lower than the normal scale, the valve block is in an air leakage state.

Through adopting above-mentioned technical scheme, remind end and mark end through setting up for remind the position alignment mark end of end, when reminding the end and keeping away from the mark end, explain that the atmospheric pressure in the air cavity changes, through the contrast of the distance of reminding end and mark end, external staff knows the valve block and became invalid, makes the operating condition of knowing the valve body very first time, makes the change of accomplishing the damage valve body.

The utility model discloses further set up to: remind the subassembly including setting up glass pipe and the steel ball of sliding connection on the glass pipe on fixed connection is on the valve body, by last big scale, well scale and the little scale of having set gradually under to on the glass pipe, the vertical corresponding air cavity internal gas pressure setting of big scale, well scale corresponds waste gas one side atmospheric pressure numerical value, little scale corresponds atmospheric pressure.

Through adopting above-mentioned technical scheme, the during operation, when valve block gas leakage in the air cavity, when the valve block that is close to air one side leaked, inside high atmospheric pressure changes, make atmospheric pressure in the air cavity be close to the atmospheric pressure gradually, make the intraductal steel ball of glass be close to little scale, thereby know inside and be close to air one side valve block and leak, and the same is good at when waste gas one side atmospheric pressure produces the atmospheric pressure and changes, make the atmospheric pressure in the air cavity reduce, the steel ball stops in scale department, know waste gas one side gas leakage.

The utility model discloses further set up to: the valve plates are provided with linkage assemblies which enable the two valve plates to keep the same motion, and the linkage assemblies are provided with a driving end.

Through adopting above-mentioned technical scheme, through setting up the linkage subassembly and make the linkage subassembly set up a drive end for during the drive end, accomplish two valve blocks simultaneous movement, thereby accomplish two valve blocks and close and open simultaneously.

The utility model discloses further set up to: the linkage assembly comprises a first gear fixedly connected to the valve plate and a second gear rotatably connected to the valve body, the second gear is meshed with the first gear, and a driving rod is fixedly connected to the second gear.

Through adopting above-mentioned technical scheme, through rotating the actuating lever for actuating lever rotating gear two, because gear two and two gear meshes for two gear one rotate simultaneously, and the direction of rotation of two gears is the same, thereby makes two valve blocks with gear one fixed connection move simultaneously, makes the valve block with gear one fixed connection keep the same motion state, makes two valve blocks move simultaneously.

To sum up, the utility model discloses following beneficial effect has:

through setting up two valve blocks and set up the great air cavity of atmospheric pressure value between the valve block, make great atmospheric pressure make the valve block laminating on the valve body, make external air be difficult to the position of propelling the valve block, make the valve body have better sealing function, set up glass pipe and steel ball simultaneously, make when one of them side valve block became invalid, air pressure produces the change in the air cavity, and keep away from the atmospheric pressure of air cavity unanimous with the valve block, thereby know on the scale on the glass pipe, it leaks to be which side valve block, it is less simultaneously to appear the probability in both sides valve block, make can accomplish maintenance or replacement when one side valve block is damaged, greatly increased the security performance and the sealing performance of valve body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. a glass tube; 4. steel balls; 5. large scale; 6. middle scale; 7. small scales; 8. a first gear; 9. a second gear; 10. a drive rod.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example (b): the utility model provides a safety valve, as shown in fig. 1 and 2, includes valve body 1, valve block 2, air pump, reminds subassembly and linkage assembly, and valve block 2 rotates to be connected on valve body 1, and valve block 2 is provided with two, and two valve blocks 2 are connected with the linkage assembly transmission, reminds the subassembly and communicates between the valve body 1 between two valve blocks 2, and the gas transmission end of air pump sets up simultaneously between two valve blocks 2.

As shown in the figure, set up the passageway that supplies the gas channel on the valve body 1, two valve block 2 rotate to be connected on the inner wall of passageway, the linkage subassembly includes gear one 8 and the gear two 9 of rotation connection on valve block 1 of fixed connection on valve block 2, gear two 9 meshes with two gear one 8 simultaneously, fixedly connected with actuating lever 10 on the gear two 9, only be provided with a drive end on the feasible linkage subassembly, rotation actuating lever 10 rotates, drive gear two 9 and rotate, make and rotate with gear two 9 meshed gear one 8 this moment, because two gear one 8 meshes with same gear one 8, make two gear one 8 syntropy rotations that take place simultaneously, make two valve block 2 accomplish simultaneous rotation, thereby make two valve block 2 close simultaneously and open.

As shown in the figure, an air cavity is formed between two valve plates 2, an air delivery end of an air pump is arranged between the two valve plates 2 at the same time, the air pressure in the air cavity is increased, so that the air pressure in the air cavity is larger than the air pressure on two sides of the valve body 1, a reminding component is communicated with the valve body 1 between the two valve plates 2, under the condition that the valve body 1 is closed, the reminding component enables the air pressure reminding of the internal air pressure to be completed according to the air pressure in the air cavity, thereby completing the air leakage reminding of the valve plates 2, preventing the valve plates 2 from leaking and causing safety problems, the reminding component comprises a glass tube 3 fixedly connected to the valve body 1 and steel balls 4 connected to the glass tube 3 in a sliding manner, a large scale 5, a middle scale 6 and a small scale 7 are sequentially arranged on the glass tube 3 from top to bottom, the large scale 5 vertically corresponds to the air pressure in the air cavity, the middle scale 6 corresponds to the air pressure value on one side of waste gas, the small scale 7 corresponds to the atmospheric pressure, so that a compression cavity is formed at one side of the steel ball 4 and the glass tube 3 far away from the valve body 1, the air in the compression cavity is compressed under the larger air pressure of the air cavity, the steel ball 4 moves in the glass tube 3, the position of the steel ball 4 when being stable is the large scale 5, when the air cavity is communicated with the waste gas side of the valve body 1, the position of the steel ball 4 corresponds to the middle scale 6, similarly, when the valve block 2 does not work, the steel ball 4 is positioned at the lowest position due to the self gravity and is the small scale 7, when detecting whether the valve block 2 leaks air, the steel ball 4 is used as a reminding end, the glass tube 3 is used as a marking end, the position of the steel ball 4 is used for knowing which side the air cavity is communicated with, so as to judge whether the valve block 2 between the air cavity and the side fails, when the steel ball 4 corresponds to the large scale 5, the two groups of valve blocks 2 work normally, when the steel ball 4 corresponds to the middle scale 6, the explanation is close to the valve block 2 inefficacy of waste gas one side, when corresponding little scale 7, explains that the valve block 2 of air side is inefficacy or two valve blocks 2 are all inefficacy for the probability that two valve blocks 2 are all inefficacy is less, when using, even leak gas also can accomplish sealedly, increases the security.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a safety valve, includes valve body (1) and rotates valve block (2) of connection on valve body (1), its characterized in that: the quantity of valve block (2) is provided with two, be provided with the air cavity between valve block (2), the atmospheric pressure of air cavity is greater than or is less than the atmospheric pressure of valve block (2) both sides, the intercommunication has the warning subassembly that detects the interior atmospheric pressure change of air cavity in the air cavity.

2. A safety valve as claimed in claim 1, wherein: the air cavity is communicated with an air pump.

3. A safety valve as claimed in claim 1, wherein: reminding the last warning end and the mark end of having of subassembly, the mark is served and is provided with normal scale, normal scale corresponds the normal atmospheric pressure of work in the air cavity, works as when reminding the level of subassembly and being less than normal scale, valve block (2) are in gas leakage state.

4. A safety valve as claimed in claim 3, wherein: remind the subassembly including setting up glass pipe (3) and steel ball (4) on glass pipe (3) on fixed connection on valve body (1), glass pipe (3) are gone up by last big scale (5), well scale (6) and little scale (7) of having set gradually under to, big scale (5) correspond the air cavity internal gas pressure setting, well scale (6) correspond waste gas one side atmospheric pressure numerical value, little scale (7) correspond atmospheric pressure.

5. A safety valve as claimed in claim 1, wherein: the valve plate (2) is provided with a linkage assembly which enables the two valve plates (2) to keep the same motion, and the linkage assembly is provided with a driving end.

6. A safety valve according to claim 5, wherein: the linkage assembly comprises a first gear (8) fixedly connected to the valve plate (2) and a second gear (9) rotatably connected to the valve body (1), the second gear (9) is meshed with the first gear (8) simultaneously, and a driving rod (10) is fixedly connected to the second gear (9).