CN113357528B

CN113357528B - Storage steel cylinder

Info

Publication number: CN113357528B
Application number: CN202110766393.7A
Authority: CN
Inventors: 王杰; 余强; 沈立秋
Original assignee: Sinoma Science And Technology Jiujiang Co ltd
Current assignee: Sinoma Science And Technology Jiujiang Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-08-30
Anticipated expiration: 2041-07-07
Also published as: CN113357528A

Abstract

The invention discloses a storage steel cylinder, wherein the upper end of the steel cylinder is provided with a bottleneck, the inner side of the bottleneck is provided with a valve body, the outer side of the bottleneck is provided with a bottle cap, the lower end of the bottleneck is provided with a plurality of groups of through holes, one side of each through hole, which is positioned on the inner wall of the bottleneck, is a small end hole, one side of each through hole, which is positioned on the outer wall of the bottleneck, is a large end hole, a through hole is arranged in the bottleneck of a sealing mechanism in a mounting manner, the through holes are internally and slidably connected with the sealing mechanism, after the valve body is screwed, the bottle cap is locked, a guide ring at the lower end of the bottle cap pushes balls, so that the sealing mechanism is driven to move towards the direction of the valve body, a convex block is ejected out, an inner rubber pad in the bottleneck is pushed towards a pressurizing part of the valve body, the valve body is fixed more firmly through the extrusion relationship of the convex block, the inner rubber pad in the bottleneck is pressed on the pressurizing part, and the integral air tightness of the steel cylinder is also improved.

Description

Storage steel cylinder

Technical Field

The invention relates to the field of storage or distribution of gas or liquid, in particular to a storage steel cylinder.

Background

Steel cylinders, i.e., steel cylinders that store high pressure oxygen, gas, liquefied petroleum gas, and the like. Gas cylinders typically contain a permanent gas, a liquefied gas, or a mixture of gases.

When the existing gas steel cylinder is used, the following problems generally exist:

1. the valve body is connected to the bottleneck, so that the phenomenon that the valve body is not firmly connected with the bottleneck exists;

2. the gas in the steel cylinder is reduced along with the time due to the influence of the air tightness strength of the steel cylinder.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a storage steel cylinder, which effectively solves the problems in the background technology through the structure of the application.

(II) technical scheme

In order to realize the effect of strengthening the sealing performance of the steel cylinder, the invention adopts the following specific technical scheme:

a material storage steel cylinder is characterized in that a bottleneck is arranged at the upper end of the steel cylinder, a valve body is assembled on the inner side of the bottleneck, a bottle cap is assembled on the outer side of the bottleneck, a through hole is formed in the bottleneck, and a sealing mechanism is installed in the through hole; the bottle cap comprises an accommodating space and a bottle cap locking part; the accommodating space is used for accommodating the valve body; the inner diameter of the bottle cap locking part is matched with the size of a bottle neck; when the bottle cap is locked, the bottle cap locking part can push the sealing mechanism to abut against the valve body.

Optionally, a plurality of groups of through holes are arranged, wherein one side of each through hole, which is positioned on the inner wall of the bottleneck, is a small end hole, and one side of each through hole, which is positioned on the outer wall of the bottleneck, is a large end hole; a blocking surface is arranged at the joint of the large end hole and the small end hole; the sealing mechanism is provided with a convex block; the convex block passes through the big end hole and penetrates into the small end hole, the convex part of the convex block is connected in the small end hole in a sliding mode, and the limiting part of the convex block is abutted to limit by the blocking surface.

Optionally, the sealing mechanism is provided with a sealing seat and a ball; the convex block is fixedly arranged on one side of the sealing seat, the convex block is connected in the small end hole in a sliding manner, and the limiting part is connected in the big end hole in a sliding manner; the ball is located the one side of keeping away from the convex block in the seal receptacle, and the one end of ball is outstanding in the seal receptacle, and the ball can rotate in the seal receptacle.

Optionally, a bottleneck inner rubber pad is arranged in the bottleneck; the rubber mat sets up on the inner wall of bottleneck in the bottleneck, and the rubber mat covers the through-hole in the bottleneck.

Optionally, the rubber pad in the bottle neck plays a sealing role.

Optionally, an elastic pad is arranged on the sealing mechanism; the elastic pad is positioned between the convex block and the blocking surface.

Optionally, a buffer elastic element is arranged on the sealing mechanism; buffering elastic component is located the inside of seal receptacle, and buffering elastic component is located between seal receptacle and the ball.

Optionally, a bottleneck outer rubber pad is arranged on the outer side of the bottleneck; the outer rubber pad of the bottle neck covers the big end hole; the upper end and the lower end of the rubber pad outside the bottleneck are fixedly connected with the outer wall of the bottleneck; the ball is located the coverage of outer cushion of bottleneck, and outer cushion of bottleneck can have elasticity.

Optionally, a pressurizing part is arranged at the lower end of the valve body corresponding to the convex block; the pressurizing part is made of rubber materials.

Optionally, the lower end of the bottle cap locking part is provided with a guide ring; the lower end face of the guide ring is chamfered with a fillet.

Optionally, the guide ring is one or a combination of several of resin, rubber and cork.

Optionally, a buffering part is arranged at the position, matched with the ball, of the bottle cap locking part; the buffer part is in a shape of an invaginated ring, and the invagination depth is 20-30% of the radius of the ball; the surface of the buffer part is covered with an elastic material.

Optionally, the convex block is rounded at the position close to the rubber pad in the bottle neck.

Optionally, the upper end of the outer wall of the bottleneck is provided with external threads of the bottleneck; the upper end of the inner wall of the bottleneck is provided with internal threads of the bottleneck; the upper end of the concave space in the bottle cap locking part is provided with a bottle cap locking thread matched with the external thread of the bottle neck; the upper end of the outer part of the valve body is provided with a valve body connecting thread matched with the inner thread of the bottleneck.

(III) advantageous effects

Compared with the prior art, the invention provides a material storage steel cylinder, which has the following beneficial effects:

(1) according to the invention, the through hole is formed in the bottleneck, the sealing mechanism is connected in the through hole in a sliding manner, after the valve body is screwed, the bottle cap is locked, the guide ring at the lower end of the bottle cap pushes the ball, so that the sealing mechanism is driven to move towards the valve body, the convex block is ejected out, the bottleneck inner rubber pad is ejected towards the pressurizing part of the valve body, the valve body is fixed more firmly through the extrusion relationship among the convex block, the bottleneck inner rubber pad and the pressurizing part, and meanwhile, the bottleneck inner rubber pad is pressed on the pressurizing part, so that the integral air tightness of the steel cylinder is also improved.

(2) In the invention, the convex block and the guide ring are provided with chamfers, so that the inner rubber pad and the outer rubber pad of the bottle neck can not be damaged by the convex block and the guide ring in the locking process of the bottle cap.

(3) Set up buffering portion, buffering portion becomes the ring shape of caving in, and when can letting the bottle lid lock like this, the ball can fall into buffering portion, and the certain buffering space of ball is given to the cooperation buffering elastic component simultaneously, is unlikely to because of the protruding piece is ejected too much and let the bottle lid too firm with bottleneck locking, leads to the bottle lid can't open.

(4) The depth of the inward recess of the buffering part is 20% -30% of the radius of the ball, so that the ball can be guided when the steel bottle cap needs to be opened, and the situation that the ball cannot roll out of the buffering part due to overlarge depth is avoided.

(5) Buffering portion becomes the annular shape of caving in, and after the bottle lid locking, the ball falls in buffering portion, and when the bottle lid was unscrewed to needs, at rotatory initial position, the annular shape can give a activity space, lets the phenomenon that the jamming can not appear in the rotation process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is an external structural view of a steel cylinder of the present invention;

FIG. 2 is a schematic diagram of the cylinder assembly of the present invention;

FIG. 3 is a cross-sectional view of the neck of the bottle of the present invention;

FIG. 4 is a view of the internal structure of the bottleneck of the present invention;

FIG. 5 is a secondary cross-sectional view of the neck of the bottle of the present invention;

FIG. 6 is an enlarged view of portion A of the present invention;

figure 7 is a schematic view of the closure of the present invention;

fig. 8 is a schematic structural view of the valve body of the present invention.

In the figure:

1. a steel cylinder; 2. a bottleneck; 21. a bottleneck external thread; 22. a rubber pad is arranged outside the bottle neck; 23. a bottleneck internal thread; 24. a rubber pad is arranged in the bottle neck; 25. a sealing mechanism; 251. a sealing seat; 252. a convex block; 2521. a convex portion; 2522. a limiting part; 253. a ball bearing; 254. an elastic pad; 255. a buffer elastic element; 26. a through hole 261, a big end hole; 262. a small end hole; 263. a blocking surface; 3. a bottle cap; 31. an accommodating space; 32. a bottle cap locking part; 321. a bottle cap locking thread; 322. a buffer section; 323. a guide ring; 4. a valve body; 41. the valve body is connected with threads; 42. and a pressurization part.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the invention for its various embodiments and with the advantages, and not to scale, and wherein like reference numerals are generally used to refer to like parts.

A material storage steel cylinder is characterized in that a bottleneck 2 is arranged at the upper end of a steel cylinder 1, a valve body 4 is assembled on the inner side of the bottleneck 2, a bottle cap 3 is assembled on the outer side of the bottleneck 2, a through hole 26 is formed in the bottleneck 2, and a sealing mechanism 25 is installed in the through hole 26; the bottle cap 3 comprises a containing space 31 and a bottle cap locking part 32; the accommodation space 31 is for accommodating the valve body 4; the inner diameter of the bottle cap locking part 32 is matched with the size of the bottle neck 2; the cap locking portion 32 can push the sealing mechanism 25 against the valve body 4 when the cap 3 is locked.

The bottle cap locking part 32 is in clearance fit with the bottle neck 2 by 1-2 mm.

After the valve body 4 is installed in the bottleneck 2, through the cooperation of valve body 4 and bottleneck 2, through setting up sealing mechanism 25, at the in-process of 3 assembly of bottle lid, the promotion sealing mechanism 25 of bottle lid 3 moves to 4 directions of valve body, and sealing mechanism 25 presses on the valve body, can strengthen the fastening degree of valve body.

In one embodiment: a plurality of groups of through holes 26 are arranged, wherein one side of each through hole 26, which is positioned on the inner wall of the bottleneck 2, is a small end hole 262, and one side of each through hole 26, which is positioned on the outer wall of the bottleneck 2, is a large end hole 261; a blocking surface 263 is arranged at the joint of the big end hole 261 and the small end hole 262; the sealing mechanism 25 is provided with a convex block 252; the convex block 252 passes through the large end hole 261 and the small end hole 262, the convex portion 2521 of the convex block 252 is slidably coupled in the small end hole 262, and the stopper portion 2522 of the convex block 252 is stopped by the stop surface 263.

The through hole 26 can be arranged at any position of the bottle neck, and the arrangement of the big end hole 261, the small end hole 262 and the blocking surface 263 can provide a limiting effect for the sealing mechanism 25.

In one embodiment: the sealing mechanism 25 is provided with a sealing seat 251 and a ball 253; the convex block 252 is fixedly arranged at one side of the sealing seat 251, the convex block 252 is connected in the small end hole 262 in a sliding way, and the limiting part 2522 is connected in the big end hole 261 in a sliding way; the ball 253 is located at a side of the seal seat 251 away from the convex block 252, one end of the ball 253 protrudes out of the seal seat 251, and the ball 253 can rotate in the seal seat 251.

The ball 253 is arranged, the ball 253 can rotate in the sealing seat 251, when the bottle cap 3 is screwed, the lower end of the bottle cap 3 extrudes the ball 253, the pressure of the bottle cap 3 on the sealing mechanism 25 can be relieved along with the rotation of the ball 253, the sealing mechanism 25 cannot be damaged, and the ball 253 can convert the downward force of the bottle cap 3 on the ball 253 into the transverse force on the sealing mechanism 25 along with the rotation, so that the conversion of acting force is realized.

In one embodiment: a bottleneck inner rubber pad 24 is arranged in the bottleneck 2; an in-bottle neck rubber pad 24 is provided on the inner wall of the bottle neck 2, and the in-bottle neck rubber pad 24 covers the through hole 26.

In one embodiment: the bottleneck inner rubber pad 24 is in a ring structure and covers the inner wall of the bottleneck 2, and the bottleneck inner rubber pad 24 covers the through hole 26.

In one embodiment: the inner rubber pad 24 of the bottle neck is in a block shape, the inner rubber pad 24 of the bottle neck is provided with a plurality of groups and has the same number with the sealing mechanism 25, the inner rubber pad 24 of the bottle neck covers the inner wall of the bottle neck 2, and the inner rubber pad 24 of the bottle neck covers the through hole 26

The rubber gasket 24 in the bottle neck plays a role of sealing.

In one embodiment: the sealing mechanism 25 is provided with an elastic cushion 254; the resilient pad 254 is located between the convex block 252 and the stop face 263. The elastic pad 254 can promote the sealing mechanism 25 to return after the bottle cap 3 is opened, so that the valve body 4 can be conveniently screwed out.

In one embodiment: the sealing mechanism 25 is provided with a buffer elastic element 255; the buffering elastic element 255 is located inside the seal seat 251, and the buffering elastic element 255 is located between the seal seat 251 and the ball 253. The cushioning elastic member 255 may be one or a combination of rubber, sponge, spring, and the like. Buffering elastic component 255 can be extruded at ball 253 motion in-process, and when bottle lid 3 was locked, can cooperate bottle lid 3 to fix ball 253, can not lead to bottle lid 3 locking back, and ball 253 can also the up-and-down motion, and causes the abnormal sound. And also allows the ball 253 to return when the cap 3 is opened.

In one embodiment: the outer side of the bottle neck 2 is provided with a bottle neck outer rubber cushion 22; the bottleneck outer rubber pad 22 covers the big end hole 261; the upper end and the lower end of the bottleneck outer rubber pad 22 are fixedly connected with the outer wall of the bottleneck 2; the balls 253 are located in the coverage of the bottleneck outer rubber pad 22, and the bottleneck outer rubber pad 22 can have elasticity. The setting of the outer cushion 22 of bottleneck can encase whole sealing mechanism 25, can also let bottle lid 3 when extrusion ball 253 simultaneously, and bottle lid 3 can not direct and ball 253 contact, reduces the wearing and tearing to propping bottle lid 3.

In one embodiment: the lower end of the valve body 4 is provided with a pressurizing part 42 corresponding to the convex block 252; the pressing portion 42 is made of a rubber material. Pressurization portion 42 can cooperate with rubber mat 24 in the bottleneck, when bottle lid 3 locks for pressurization portion 42 more closely cooperates with rubber mat 24 in the bottleneck, promotes gas tightness, the fastness of steel bottle 1.

In one embodiment: the lower end of the bottle cap locking part 32 is provided with a guide ring 323; the lower end surface of the guide ring 323 is rounded. The guide ring 323 is one or a combination of several of resin, rubber and cork. The guide ring 323 is provided with a chamfer, and the guide ring 323 cannot damage the rubber pad 22 outside the bottle neck in the locking process of the bottle cap 3.

In one embodiment: the position that the convex block 252 is close to the inner rubber pad 24 of the bottleneck is inverted to have a fillet, and in the locking process of the bottle cap 3, the convex block 252 contacts with the inner rubber pad 24 of the bottleneck and overstocks the inner rubber pad 24 of the bottleneck, and the inner rubber pad 24 of the bottleneck can be protected from being damaged by the top by the arrangement of the fillet.

In one embodiment: the bottle cap locking part 32 is provided with a buffering part 322 at the position matched with the ball 253; the buffer part 322 is in a shape of an invaginated ring, and the invagination depth is 20-30% of the radius of the ball 253; the surface of the buffer 322 is covered with an elastic material.

Set up buffer 322, when can let bottle lid 3 lock like this, ball 253 can fall into buffer 322 in, and the cooperation is cushioned elastic component 255 simultaneously, gives ball 253 certain buffering space, is unlikely to because of the protruding piece 252 is ejected too much and let steel bottle lid 3 and bottleneck 1 locking too firm, leads to bottle lid 3 can't open. And through the structure setting of the ring shape of the invagination of the buffer part 322, when the bottle cap 3 is opened, the ring shape of the buffer part 322 can give a moving space to the ball 253, so that the whole bottle cap 3 can smoothly rotate at the initial stage of outward rotation, and the phenomenon of jamming can not occur in the process.

In addition, the inward sinking depth of the buffer part 322 is 20% -30% of the radius of the ball 253, so that when the steel bottle cap 3 needs to be opened, the ball 253 can have a guiding function, and the ball cannot roll out of the buffer part 253 due to the fact that the depth is too large.

In one embodiment: the upper end of the outer wall of the bottle neck 2 is provided with a bottle neck external thread 21; the upper end of the inner wall of the bottleneck 2 is provided with a bottleneck internal thread 23; the upper end of the concave space inside the bottle cap locking part 32 is provided with a bottle cap locking thread 321 matched with the bottle neck external thread 21; the outer upper end of the valve body 4 is provided with a valve body connecting thread 41 matching the bottleneck internal thread 23. The valve body 4, the bottleneck 2 and the bottle cap 3 can be normally screwed through the matching relation among the bottleneck external threads 21, the bottleneck internal threads 23, the bottle cap locking threads 321 and the valve body connecting threads 41.

The specific implementation mode is as follows:

the invention provides a storage steel cylinder, a sealing mechanism 25 is assembled in a bottleneck 2, a bottleneck outer rubber pad 22 and a bottleneck inner rubber pad 24 are fixed, a valve body 4 is screwed into the bottleneck 2, a bottle cap 3 is screwed in along a bottleneck outer thread 21 of the bottleneck 2, a guide ring 323 is arranged at the lower end of the bottle cap 3, the guide ring 323 can extrude a ball 253 in the screwing-down process, the ball 253 rotates in a sealing seat 251 and pushes the sealing mechanism 25 to move towards the direction of the valve body 4, a convex block 252 extrudes the bottleneck inner rubber pad 24 and presses the bottleneck inner rubber pad 24 on a pressing part 42 of the valve body 4, the bottleneck inner rubber pad 24 and the pressing part 42 are tightly attached, the integral air tightness is improved, and the firmness of the valve body 4 on the steel cylinder 1 can also be improved due to the fact that the friction force between the pressing part 42 and the bottleneck inner rubber pad 24 is increased.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a storage steel bottle, the upper end of steel bottle (1) is equipped with bottleneck (2), and bottleneck (2) inboard is equipped with valve body (4), and the outside of bottleneck (2) is equipped with bottle lid (3), its characterized in that:

a through hole (26) is arranged on the bottle neck (2), and a sealing mechanism (25) is arranged in the through hole (26);

the bottle cap (3) comprises an accommodating space (31) and a bottle cap locking part (32);

the accommodating space (31) is used for accommodating the valve body (4);

the inner diameter of the bottle cap locking part (32) is matched with the size of the bottle neck (2);

when the bottle cap (3) is locked, the bottle cap locking part (32) can push the sealing mechanism (25) to press the valve body (4);

a plurality of groups of through holes (26) are arranged, one side of each through hole (26) positioned on the inner wall of the bottleneck (2) is a small end hole (262), and one side of each through hole (26) positioned on the outer wall of the bottleneck (2) is a large end hole (261);

a blocking surface (263) is arranged at the joint of the big end hole (261) and the small end hole (262);

the sealing mechanism (25) is provided with a convex block (252);

the convex block (252) penetrates through the large end hole (261) and penetrates through the small end hole (262), the convex part (2521) of the convex block (252) is connected in the small end hole (262) in a sliding mode, and the limiting part (2522) of the convex block (252) can be abutted to limit by the blocking surface (263).

2. A storage cylinder as claimed in claim 1, wherein:

the sealing mechanism (25) is provided with a sealing seat (251) and a ball (253);

the convex block (252) is fixedly arranged on one side of the sealing seat (251), the convex block (252) is connected in the small end hole (262) in a sliding manner, and the limiting part (2522) is connected in the large end hole (261) in a sliding manner;

the ball (253) is positioned on one side, far away from the convex block (252), in the sealing seat (251), one end of the ball (253) protrudes out of the sealing seat (251), and the ball (253) can rotate in the sealing seat (251).

3. The storage steel cylinder according to claim 1, characterized in that:

a bottleneck inner rubber pad (24) is arranged in the bottleneck (2);

the inner rubber pad (24) of the bottle neck is arranged on the inner wall of the bottle neck (2), and the through hole (26) is covered by the inner rubber pad (24) of the bottle neck.

4. A storage cylinder as claimed in claim 1, wherein:

the sealing mechanism (25) is provided with an elastic cushion (254);

the resilient pad (254) is located between the convex block (252) and the stop face (263).

5. A storage cylinder as claimed in claim 2, wherein:

the sealing mechanism (25) is provided with a buffer elastic element (255);

the buffer elastic element (255) is positioned inside the seal seat (251), and the buffer elastic element (255) is positioned between the seal seat (251) and the ball (253).

6. A storage cylinder as claimed in claim 2, wherein:

the outer side of the bottleneck (2) is provided with a bottleneck outer rubber pad (22);

the outer rubber pad (22) of the bottle neck covers the big end hole (261);

the upper end and the lower end of the bottleneck outer rubber pad (22) are fixedly connected with the outer wall of the bottleneck (2);

the ball (253) is positioned in the coverage range of the bottleneck outer rubber pad (22), and the bottleneck outer rubber pad (22) has elasticity.

7. A storage cylinder as claimed in claim 1, wherein:

a pressurizing part (42) is arranged at the lower end of the valve body (4) corresponding to the convex block (252);

the pressing part (42) is made of rubber material.

8. The storage steel cylinder according to claim 1, characterized in that:

the lower end of the bottle cap locking part (32) is provided with a guide ring (323); the lower end face of the guide ring (323) is chamfered with a fillet; the guide ring (323) is one or a combination of several of resin, rubber and cork.

9. The storage steel cylinder according to claim 2, characterized in that:

a buffer part (322) is arranged at the position of the bottle cap locking part (32) matched with the ball (253);

the buffer part (322) is in a shape of an inward-recessed circular ring, and the inward-recessed depth is 20-30% of the radius of the ball (253);

the surface of the buffer part (322) is covered with an elastic material.