阅读说明：本技术 一种特殊的牢固型钢瓶稳定防爆片 (Special firm stable explosion-proof sheet for steel cylinder ) 是由 施红蕾 丁荣荣 黄小俊 黄蓉 李如桂 于 2021-09-14 设计创作，主要内容包括：本发明涉及钢瓶配件技术领域,尤其涉及一种特殊的牢固型钢瓶稳定防爆片。本发明采用的技术方案是：包括球形防爆片主体结构,所述防爆片主体结构的下端设有一体成型的圆柱形压合装配紧固连接柱,所述防爆片主体结构的下端设有一个防爆球面安全槽,其特征在于：所述防爆球面安全槽将所述压合装配紧固连接柱的下端面完全贯穿,所述防爆球面安全槽的内侧面与所述防爆片主体结构的外侧球形面相互平行,所述防爆球面安全槽的内侧靠下端的位置设有一个圆弧形第一安全防爆槽。本发明的优点是：采用双安全防爆槽的结构设计,从而提高了整体的防爆安全性,并且压合时的连接稳定性更好,确保了防爆片在使用过程中的连接牢固性更可靠。(The invention relates to the technical field of steel cylinder accessories, in particular to a special firm stable anti-explosion piece for a steel cylinder. The technical scheme adopted by the invention is as follows: including spherical explosion-proof piece major structure, explosion-proof piece major structure's lower extreme is equipped with integrated into one piece's cylindrical pressfitting assembly fastening spliced pole, explosion-proof sphere safety groove, its characterized in that are equipped with to explosion-proof piece major structure's lower extreme: the lower end face of the pressing assembly fastening connecting column is completely penetrated through by the explosion-proof spherical safety groove, the inner side face of the explosion-proof spherical safety groove is parallel to the outer spherical face of the main structure of the explosion-proof sheet, and a circular arc-shaped first safety explosion-proof groove is arranged at the position, close to the lower end, of the inner side of the explosion-proof spherical safety groove. The invention has the advantages that: the structural design of the double-safety explosion-proof groove is adopted, so that the overall explosion-proof safety is improved, the connection stability during pressing is better, and the connection firmness of the explosion-proof piece in the use process is more reliable.)

1. The utility model provides a special firm type steel bottle explosion-proof piece is stabilized, includes spherical explosion-proof piece major structure (1), the lower extreme of explosion-proof piece major structure (1) is equipped with integrated into one piece's cylindrical pressfitting assembly fastening spliced pole (2), the lower extreme of explosion-proof piece major structure (1) is equipped with an explosion-proof sphere safety groove (3), its characterized in that: the lower end face of the pressing assembly fastening connecting column (2) is completely penetrated through by the explosion-proof spherical safety groove (3), the inner side face of the explosion-proof spherical safety groove (3) is parallel to the outer spherical face of the explosion-proof sheet main body structure (1), a circular arc-shaped first safety explosion-proof groove (4) is arranged at the position, close to the lower end, of the inner side of the explosion-proof spherical safety groove (3), the perimeter of the first safety explosion-proof groove (4) is larger than three quarters of the perimeter of a cylinder with the same diameter, the depth of the first safety explosion-proof groove (4) is smaller than half of the distance from the outer side face of the explosion-proof sheet main body structure (1) to the inner side face of the explosion-proof spherical safety groove (3), and a cylindrical second explosion-proof groove (5) with the central shaft identical to the first safety explosion-proof groove (4) is arranged on the inner side face of the explosion-proof spherical safety groove (3), the depth of the first safe explosion-proof groove (4) is the same as that of the second safe explosion-proof groove (5), an integrally formed cylindrical press-fit firm connecting column (6) is arranged on the outer cylindrical surface of the press-fit assembly fastening connecting column (2), the upper end surface of the press-fit firm connecting column (6) is located on the same plane as that of the press-fit assembly fastening connecting column (2), circular arc-shaped press-fit fastening anti-loosening connecting grooves (7) which are uniformly distributed in the circumference are formed in the upper end of the press-fit firm connecting column (6), and the lower end surface of the press-fit firm connecting column (6) is completely penetrated through the press-fit fastening anti-loosening connecting grooves (7).

2. The special firm type steel cylinder stabilizing explosion-proof sheet according to claim 1, wherein: the distance from the outer side surface of the main structure (1) of the explosion-proof sheet to the inner side surface of the safety groove (3) of the explosion-proof spherical surface is the same as the thickness of the pressing assembly fastening connecting column (2).

3. The special firm type steel cylinder stabilizing explosion-proof sheet according to claim 1, wherein: the thickness of the pressing firm connecting column (6) is larger than half of the thickness of the pressing assembling firm connecting column (2).

4. The special firm type steel cylinder stabilizing explosion-proof sheet according to claim 1, wherein: the arc perimeter of the outer side position of the press-fit fastening anti-loosening connecting groove (7) is smaller than the arc perimeter of the inner side position.

5. The special firm type steel cylinder stabilizing explosion-proof sheet according to claim 1, wherein: and an assembly chamfer structure convenient for press-fit assembly is arranged at the edge position of the lower end of the press-fit firm connecting column (6).

Technical Field

The invention relates to the technical field of steel cylinder accessories, in particular to a special firm stable anti-explosion piece for a steel cylinder.

Background

The steel cylinder is a steel cylinder for storing high-pressure oxygen, gas, liquefied petroleum gas, etc. The safety of the steel cylinder in the using process is always an important concern, the general steel cylinder structure is only provided with an inlet safety valve and an outlet safety valve, the safety protection performance in the using process is single, and safety accidents such as explosion and the like are easy to occur in the transportation process and the using process.

Disclosure of Invention

The invention aims to provide a special firm steel cylinder stable explosion-proof sheet which is matched with a main body structure of a steel cylinder for use, is usually arranged at the upper end of the steel cylinder structure, the explosion-proof pressure of the explosion-proof sheet is set to be smaller than the safe pressure value of the main input/output port position through the structure during production, the position of the explosion-proof sheet can be pressed open if the pressure in the steel cylinder is larger than the pressure of the explosion-proof sheet during use, so that the pressure in the steel cylinder can be discharged, and the aim of integral safe explosion-proof is achieved, the explosion-proof sheet structure can prevent the integral explosion-proof performance from being influenced under the condition that one safe explosion-proof groove fails during use by arranging two explosion-proof grooves into specifications with different sizes, so that the integral explosion-proof safety is improved, and the outer side of the pressing position of the explosion-proof sheet is provided with a pressing firm connecting column during pressing assembly, and through the firm spliced pole of pressfitting structural pressfitting fastening locking spread groove that sets up circumference evenly distributed of circumference, make it can be in the same place with the inseparable pressfitting of steel bottle structure mounted position, make this structure and steel bottle material main part can carry out the pressfitting each other, the connection stability when making the pressfitting is better, thereby it is more reliable to have ensured the firm nature of connection of explosion-proof piece in the use, this explosion-proof piece is through setting up the chamfer structure at the firm spliced pole lower extreme border position of pressfitting, it is more convenient when assembling to make it, the fastness of pressfitting can be further more reliable. The technical scheme of the invention is as follows:

the utility model provides a special firm type steel bottle is explosion-proof piece stably, includes spherical explosion-proof piece major structure, explosion-proof piece major structure's lower extreme is equipped with integrated into one piece's cylindrical pressfitting assembly fastening spliced pole, explosion-proof sphere safety groove, its characterized in that are equipped with to explosion-proof piece major structure's lower extreme: the lower end face of the press-fit fastening connecting column is completely penetrated through by the explosion-proof spherical safety groove, the inner side face of the explosion-proof spherical safety groove is parallel to the outer spherical face of the main structure of the explosion-proof sheet, a circular arc-shaped first safety explosion-proof groove is arranged at the position, close to the lower end, of the inner side of the explosion-proof spherical safety groove, the perimeter of the first safety explosion-proof groove is larger than three quarters of the perimeter of a cylinder with the same diameter, the depth of the first safety explosion-proof groove is smaller than half of the distance from the outer side face of the main structure of the explosion-proof sheet to the inner side face of the explosion-proof spherical safety groove, a cylindrical second safety explosion-proof groove with the central shaft same as that of the first safety explosion-proof groove is arranged on the inner side face of the explosion-proof spherical safety groove, the depth of the first safety explosion-proof groove is the same as that of the second safety explosion-proof groove, and the integrally-fit fastening connecting column is provided with an integrally formed cylindrical press-fit fastening connecting column, the upper end face of the pressing firm connecting column and the upper end face of the pressing assembly fastening connecting column are on the same plane, circular arc-shaped pressing fastening anti-loosening connecting grooves which are evenly distributed on the circumference are formed in the upper end of the pressing firm connecting column, and the lower end face of the pressing firm connecting column is completely penetrated through the pressing fastening anti-loosening connecting grooves.

Furthermore, the distance from the outer side surface of the main structure of the explosion-proof sheet to the inner side surface of the safety groove of the explosion-proof spherical surface is the same as the thickness of the pressing assembly fastening connecting column.

Furthermore, the thickness of the pressing firm connecting column is larger than half of the thickness of the pressing assembling fastening connecting column.

Furthermore, the circumference of the arc at the outer side of the press-fit fastening anti-loosening connecting groove is smaller than that at the inner side.

Furthermore, an assembly chamfer structure convenient for press-fit assembly is arranged at the edge position of the lower end of the press-fit firm connecting column.

The invention has the beneficial effects that:

the invention is used by matching with a main body structure of a steel cylinder, is usually arranged at the upper end of the steel cylinder structure, and the explosion-proof pressure of an explosion-proof sheet is set to be smaller than the safe pressure value of the main input/output port position through the structure during production, so that the position of the explosion-proof sheet can be pressed open when the pressure in the steel cylinder is larger than the pressure of the explosion-proof sheet during use, thereby the pressure in the steel cylinder can be discharged, and the aim of integral safety explosion-proof is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a left side schematic view of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic bottom view of the present invention;

FIG. 6 is a schematic cross-sectional view taken at position A-A of the present invention;

FIG. 7 is a perspective view of the present invention in a second direction;

in the figure: 1. explosion-proof piece major structure, 2, pressfitting assembly fastening spliced pole, 3, explosion-proof sphere safety groove, 4, first safe explosion-proof groove, 5, second safe explosion-proof groove, 6, the firm spliced pole of pressfitting, 7, the locking spread groove of pressfitting fastening.

Detailed Description

As shown in figures 1 to 7, a special firm steel cylinder stable explosion-proof sheet is used by matching with a steel cylinder main body structure, and is usually installed at the upper end position of the steel cylinder structure, the explosion-proof pressure of the explosion-proof sheet is set through the structure during production and is set to be smaller than the safe pressure value of a main input/output port position, the position of the explosion-proof sheet can be pressed open when the pressure in the steel cylinder is larger than the pressure of the explosion-proof sheet during use, so that the pressure in the steel cylinder can be discharged, and the purpose of integral safety explosion-proof is achieved, the explosion-proof sheet structure can prevent the integral explosion-proof performance from being influenced under the condition that one safety explosion-proof groove fails during use by arranging a pressing firm connecting column structure outside the pressing position during pressing assembly through arranging two safety explosion-proof grooves with different sizes, and through the firm spliced pole of pressfitting structural pressfitting fastening locking spread groove that sets up circumference evenly distributed of circumference, make it can be in the same place with the inseparable pressfitting of steel bottle structure mounted position, make this structure and steel bottle material main part can carry out the pressfitting each other, the connection stability when making the pressfitting is better, thereby it is more reliable to have ensured the firm nature of connection of explosion-proof piece in the use, this explosion-proof piece is through setting up the chamfer structure at the firm spliced pole lower extreme border position of pressfitting, it is more convenient when assembling to make it, the fastness of pressfitting can be further more reliable. It includes spherical explosion-proof piece major structure 1, the lower extreme of explosion-proof piece major structure 1 is equipped with integrated into one piece's cylindrical pressfitting assembly fastening spliced pole 2, the lower extreme of explosion-proof piece major structure 1 is equipped with an explosion-proof sphere safety groove 3, and it communicates with each other with the steel bottle structure is inside when using. The explosion-proof spherical safety groove 3 is used for completely penetrating through the lower end face of the press fit assembly fastening connecting column 2, the inner side face of the explosion-proof spherical safety groove 3 is parallel to the outer spherical face of the main structure 1 of the explosion-proof sheet, a circular arc-shaped first safety explosion-proof groove 4 is arranged at the position, close to the lower end, of the inner side of the explosion-proof spherical safety groove 3, the whole steel cylinder can be protected safely, and explosion caused by overlarge pressure in the steel cylinder is prevented. The girth of first safe explosion-proof groove 4 is greater than the three-quarters of the same diameter cylinder girth of place, the degree of depth of first safe explosion-proof groove 4 is less than the lateral surface of explosion-proof piece major structure 1 arrives half of the distance of the medial surface of explosion-proof sphere safety groove 3 makes the compressive resistance of first safe explosion-proof groove position be less than the compressive resistance of steel bottle major structure to can break an opening with this position when the pressure in the steel bottle is too big, can in time excrete the pressure in the steel bottle, ensure the holistic security of steel bottle. The inner side face of the spherical explosion-proof safety groove 3 is provided with a central shaft and a cylindrical second safety explosion-proof groove 5 with the same first safety explosion-proof groove 4, the depth of the first safety explosion-proof groove 4 is the same as that of the second safety explosion-proof groove 5, and the first safety explosion-proof groove can be prevented from being broken down in the using process to influence the explosion-proof effect. The steel cylinder structure is characterized in that an integrally-formed cylindrical press-fit firm connecting column 6 is arranged on the outer cylindrical surface of the press-fit assembly fastening connecting column 2, the upper end surface of the press-fit firm connecting column 6 and the upper end surface of the press-fit assembly fastening connecting column 2 are on the same plane, circular arc-shaped press-fit fastening anti-loosening connecting grooves 7 which are uniformly distributed in the circumference are formed in the upper end of the press-fit firm connecting column 6, the press-fit connection firmness can be better when the press-fit connection of the steel cylinder structure is carried out, and the better overall safety in the using process is ensured. The lower end face of the pressing firm connecting column 6 is completely penetrated through by the pressing fastening anti-loosening connecting groove 7.

Preferably, the distance from the outer side surface of the main structure 1 of the explosion-proof sheet to the inner side surface of the safety groove 3 of the explosion-proof spherical surface is the same as the thickness of the pressing, assembling and fastening connecting column 2, so that the part is more convenient to produce, and the integral thickness uniformity is better.

Preferably, the thickness of the press-fit fastening connecting column 6 is greater than half of the thickness of the press-fit assembling fastening connecting column 2, so that the structural strength of the position is better, and the connection is firm and reliable when press-fit connection is performed.

Preferably, the circumference of the arc at the outer side of the press-fit fastening anti-loose connecting groove 7 is smaller than that at the inner side, so that the press-fit strength at the press-fit connecting position is better, and the connection safety in the using process is higher.

Preferably, the edge position of the lower end of the pressing firm connecting column 6 is provided with an assembling chamfer structure which is convenient for pressing assembly, so that the pressing assembly is more convenient, and the pressing and connecting with the main structure of the steel cylinder are firmer.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications or substitutions can be made without departing from the principle of the present invention, and these modifications or substitutions should also be considered as the protection scope of the present invention.