CN215410391U

CN215410391U - Pressure relief device

Info

Publication number: CN215410391U
Application number: CN202121571410.3U
Authority: CN
Inventors: 许文军; 徐成
Original assignee: Shandong Dongzun Huatai Environmental Protection Technology Co ltd
Current assignee: Shandong Dongzun Huatai Environmental Protection Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-01-04
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to the technical field of high-pressure storage tanks, and discloses a pressure relief device which comprises a shell, wherein a first spring is fixedly installed at the top end of an inner cavity of the shell, a rubber plug is fixedly connected to the lower end of the first spring, two first air outlets are formed in the left side of the shell, a pressure reduction shell is hermetically installed on the left side of the shell, a scraping ring is arranged in the inner cavity of each first air outlet, a connecting rod is fixedly installed on the left side of the scraping ring, and a straight plate is fixedly installed at the upper end of the connecting rod. According to the utility model, through the scraper ring, the connecting rod, the straight plate, the straight rod, the bearing, the fixed block and the wind collecting groove, not only can the acting consumption of the airflow impact force be carried out, the impact force of the airflow is effectively reduced, the injury of the airflow impact force to workers is reduced, but also impurities attached to the inner wall of the first air outlet can be cleaned, the trouble of manual cleaning is saved, the pressure relief efficiency is improved, and the device is practical and suitable for wide popularization and use.

Description

Pressure relief device

Technical Field

The utility model relates to the technical field of high-pressure storage tanks, in particular to a pressure relief device.

Background

The pressure container is a pressure storage device, and the wide application is in the chemical industry field, and when pressure storage device used, pressure regulation and control device is installed usually on the pressure container, and pressure regulation and control device is also called pressure relief device, and pressure relief device can adjust according to the article that pressure container stored, can prevent that the too big pressure of pressure container inside from causing pressure container to break even explode.

Through retrieval publication (CN211711511U), disclose a pressure relief device for high-pressure storage jar, including shell and spring, the air channel has been seted up to the inside of shell, the shell has been close to the both sides of air channel and has been seted up the gas outlet, the back lid is installed at the top of shell, wherein, the shell has been close to the both sides of back lid and has been seted up the draw-in groove, one side that the back lid is close to the draw-in groove is fixed with the fixture block.

In the process of implementing the utility model, the inventor finds that at least the following problems in the prior art are not solved: the utility model discloses a though set up the pressure-reducing tank and reduce the air current impact force and avoid causing the injury to the staff, but the decompression effect is unsatisfactory, can't clear up the gas outlet moreover, leads to the gas outlet inner wall to adhere to the impurity that gas carried, influences the pressure release effect, and urgent need improve, consequently, we propose a pressure relief device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure relief device, which solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a pressure relief device comprising a housing;

a first spring is fixedly mounted at the top end of an inner cavity of the shell, a rubber plug is fixedly connected to the lower end of the first spring, two first air outlets are formed in the left side of the shell, a decompression shell is hermetically mounted on the left side of the shell, a scraping ring is arranged in the inner cavity of each first air outlet, a connecting rod is fixedly mounted on the left side of the scraping ring, and a straight plate is fixedly mounted at the upper end of the connecting rod;

the upper end fixed mounting of straight plate has the slider, the spout has been seted up to the inner chamber upper end of decompression shell, the inner chamber right side fixed mounting of spout has the second spring, the second gas outlet has been seted up in the left side of decompression shell, the inner chamber of second gas outlet is provided with the straight-bar, the upper and lower both ends of straight-bar pass through the bearing rotation with the inner wall of second gas outlet and are connected, the lateral wall fixed mounting of straight-bar has the dead lever, the terminal fixed mounting of dead lever has the fixed block, the wind groove has been seted up to the inner chamber of fixed block, the upper end left side fixed mounting of straight-bar has the ejector pin.

In a preferred embodiment of the present invention, the scraper ring has an outer diameter equal to an inner diameter of the first air outlet, and the scraper ring is slidably connected to the first air outlet.

In a preferred embodiment of the present invention, the size of the sliding block is adapted to the size of the sliding groove, and the sliding block is slidably connected to the sliding groove.

In a preferred embodiment of the present invention, the left end of the second spring is fixedly connected to the right side of the slider.

As a preferred embodiment of the present invention, the fixing bars are provided in four groups, and the fixing bars are equidistantly distributed.

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

1. according to the utility model, through the scraper ring, the connecting rod, the straight plate, the straight rod, the bearing, the fixed block and the wind collecting groove, not only can the acting consumption of the airflow impact force be carried out, the impact force of the airflow is effectively reduced, the injury of the airflow impact force to workers is reduced, but also impurities attached to the inner wall of the first air outlet can be cleaned, the trouble of manual cleaning is saved, the pressure relief efficiency is improved, and the pressure relief device is more practical.

2. The bearing on the straight rod is convenient for improving the stability of the straight rod through the bearing, further improves the reduction effect of the air flow impact force, and is favorable for more practical use of the pressure relief device.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of an overall structure of a pressure relief device according to the present invention;

FIG. 2 is a schematic side view of a scraper ring and a connecting rod of the pressure relief device according to the present invention;

FIG. 3 is a schematic view of a top-view cross-sectional structure of a fixing block and a wind collecting groove of the pressure relief device according to the present invention;

fig. 4 is a schematic view of a partial enlarged structure at a position a of the pressure relief device according to the present invention.

In the figure: 1. the shell, 2, first spring, 3, the rubber buffer, 4, first gas outlet, 5, decompression shell, 6, scraping ring, 7, connecting rod, 8, straight board, 9, slider, 10, spout, 11, second spring, 12, second gas outlet, 13, straight-bar, 14, bearing, 15, dead lever, 16, fixed block, 17, collection wind groove, 18, ejector pin.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a pressure relief device comprises a housing 1;

a first spring 2 is fixedly installed at the top end of an inner cavity of the shell 1, a rubber plug 3 is fixedly connected to the lower end of the first spring 2, two first air outlets 4 are formed in the left side of the shell 1, a decompression shell 5 is hermetically installed on the left side of the shell 1, a scraping ring 6 is arranged in the inner cavity of each first air outlet 4, a connecting rod 7 is fixedly installed on the left side of the scraping ring 6, and a straight plate 8 is fixedly installed at the upper end of the connecting rod 7;

the upper end fixed mounting of straight board 8 has slider 9, spout 10 has been seted up to the inner chamber upper end of decompression shell 5, the inner chamber right side fixed mounting of spout 10 has second spring 11, second gas outlet 12 has been seted up in the left side of decompression shell 5, the inner chamber of second gas outlet 12 is provided with straight-bar 13, the upper and lower both ends of straight-bar 13 pass through bearing 14 with the inner wall of second gas outlet 12 and rotate and be connected, the lateral wall fixed mounting of straight-bar 13 has dead lever 15, the terminal fixed mounting of dead lever 15 has fixed block 16, wind collecting groove 17 has been seted up to the inner chamber of fixed block 16, the upper end left side fixed mounting of straight-bar 13 has ejector pin 18, and through scraping ring 6, connecting rod 7, straight board 8, straight-bar 13, bearing 14, fixed block 16 and wind collecting groove 17 that set up, during the use, when atmospheric pressure is greater than first spring 2 elasticity, atmospheric pressure promotes rubber buffer 3 and upwards moves, through 4 discharge gas in first gas outlet, gaseous entering decompression shell 5 is interior, gaseous gushing into the collection wind groove 17 of fixed block 16, it rotates to drive straight-bar 13, be convenient for carry out the work consumption to the air current impact force, the effectual impact force that reduces the air current, it causes the injury to the staff to have reduced the air current impact force, at straight-bar 13 rotation in-process simultaneously, the continuous straight board 8 that promotes of ejector pin 18 on the straight-bar 13, straight board 8 drives scraping ring 6 on the connecting rod 7 and moves right, thereby clear up the impurity of attaching to on 4 inner walls in first gas outlet, the trouble of manual cleaning has been saved, and improve pressure release efficiency.

In the embodiment, referring to fig. 1, the outer diameter of the scraping ring 6 is the same as the inner diameter of the first air outlet 4, and the scraping ring 6 is slidably connected to the first air outlet 4, so as to improve the cleaning effect of the scraping ring 6.

In this embodiment, referring to fig. 1, the size of the sliding block 9 is matched with the size of the sliding groove 10, and the sliding block 9 is slidably connected with the sliding groove 10, so as to improve the stability of the straight plate 8.

In this embodiment, referring to fig. 1, the left end of the second spring 11 is fixedly connected to the right side of the slider 9, so that the second spring 11 drives the slider 9 to return.

In this embodiment, referring to fig. 1, four sets of fixing rods 15 are provided, and the fixing rods 15 are distributed at equal intervals, so as to improve the work consumption effect of the air flow impact force.

The theory of operation, in the use, when atmospheric pressure is greater than 2 elasticity of first spring, atmospheric pressure promotes rubber buffer 3 and upwards removes, through first gas outlet 4 discharge gas, gaseous entering decompression shell 5 is interior, gaseous gushing into the wind groove 17 of collection of fixed block 16, it rotates to drive straight-bar 13, be convenient for carry out the work consumption to the air current impact force, the effectual impact force that reduces the air current, it causes the injury to the staff to have reduced the air current impact force, at straight-bar 13 rotation in-process simultaneously, 18 continuous promotion straight plates 8 of ejector pin on the straight-bar 13, straight-bar 8 drives scraping ring 6 on the connecting rod 7 and moves right, thereby impurity to attaching to on 4 inner walls of first gas outlet is cleared up, the trouble of artifical clearance has been saved, and the pressure release efficiency is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A pressure relief device, characterized by comprising a housing (1);

a first spring (2) is fixedly mounted at the top end of an inner cavity of the shell (1), a rubber plug (3) is fixedly connected to the lower end of the first spring (2), two first air outlets (4) are formed in the left side of the shell (1), a decompression shell (5) is hermetically mounted on the left side of the shell (1), a scraping ring (6) is arranged in the inner cavity of each first air outlet (4), a connecting rod (7) is fixedly mounted on the left side of each scraping ring (6), and a straight plate (8) is fixedly mounted at the upper end of each connecting rod (7);

the upper end fixed mounting of straight plate (8) has slider (9), spout (10) have been seted up to the inner chamber upper end of decompression shell (5), the inner chamber right side fixed mounting of spout (10) has second spring (11), second gas outlet (12) have been seted up in the left side of decompression shell (5), the inner chamber of second gas outlet (12) is provided with straight-bar (13), bearing (14) rotation connection is passed through to the upper and lower both ends of straight-bar (13) and the inner wall of second gas outlet (12), the lateral wall fixed mounting of straight-bar (13) has dead lever (15), the terminal fixed mounting of dead lever (15) has fixed block (16), wind collecting groove (17) have been seted up to the inner chamber of fixed block (16), the upper end left side fixed mounting of straight-bar (13) has ejector pin (18).

2. A pressure relief device according to claim 1, wherein: the outer diameter of the scraping ring (6) is the same as the inner diameter of the first air outlet (4), and the scraping ring (6) is connected with the first air outlet (4) in a sliding mode.

3. A pressure relief device according to claim 1, wherein: the size of the sliding block (9) is matched with that of the sliding groove (10), and the sliding block (9) is connected with the sliding groove (10) in a sliding mode.

4. A pressure relief device according to claim 1, wherein: the left end of the second spring (11) is fixedly connected with the right side of the sliding block (9).

5. A pressure relief device according to claim 1, wherein: the fixing rods (15) are provided with four groups, and the fixing rods (15) are distributed at equal intervals.