Pressure container

Abstract

The utility model discloses a container, in particular to a pressure container, which comprises a top end cover, a barrel and a bottom end cover, the top end cover comprises a cover body I, a cover body II and a valve; wherein the cover body II and the bottom end cover are respectively mounted on a port of the cylinder body, the cover body II is connected with a flange of the bottom end cover, and the cover body I shields and locks nuts of the cover body II, the cylinder body and the bottom end cover; the cover body I and the cover body II which are of a concentric structure are mutually locked in the axial direction through a buckle structure and are unlocked through autorotation of the cover body I and / or the cover body II. The cover body I and the cover body II are mutually locked in the circumferential direction through a valve and are unlocked when the real-time pressure value in the pressure container is smaller than or equal to a pressure threshold value A, and the pressure threshold value A is a preset value. According to the utility model, the technical problem that the pressure container can only be opened in a safe pressure range is solved, so that the situation that the pressure in the pressure container is not released (namely, the pressure is reduced to be below a safe pressure value) and the cover body is opened to cause a potential risk can be completely eradicated.

Description

Technical Field

[0001] The utility model relates to a container, in particular to a pressure container. Background Art

[0002] A pressure vessel is a closed device that contains gas or liquid and bears a certain pressure.

[0003] Since there is usually pressure in the pressure vessel, it is dangerous to open the cover without releasing the pressure. However, the above-mentioned dangerous situation still occurs from time to time during the daily use of the pressure vessel.

[0004] For this reason, the present utility model is proposed. Summary of the invention

[0005] The purpose of the utility model is to solve the above-mentioned deficiencies of the prior art and to provide a pressure container which can be opened only within a safe pressure range.

[0006] In order to achieve the above-mentioned purpose, a pressure vessel designed in the utility model comprises a top cover, a cylinder and a bottom cover, wherein:

[0007] The top cover comprises a cover body I, a cover body II and a valve;

[0008] Wherein, the cover body II and the bottom end cover are respectively installed on the ports of the cylinder body, and the cover body II and the bottom end cover are flange-connected, and the cover body I blocks and locks the nuts of the cover body II, the cylinder body and the bottom end cover;

[0009] The cover body I and the cover body II of the concentric structure are locked to each other in the axial direction through a buckle structure, and are unlocked by the self-rotation of the cover body I and / or the cover body II;

[0010] Cover body I and cover body II are locked to each other in the circumferential direction by a valve, and are released when the real-time pressure value in the pressure vessel is ≤ pressure threshold A. Pressure threshold A is a preset value, that is, a preset safety pressure value.

[0011] Preferably, in the above-mentioned pressure vessel, the specific installation structure of the cover body II and the bottom end cover on the port of the cylinder is:

[0012] The surfaces of the cover body II and the bottom end cover facing the cylinder are both provided with annular grooves, and the ports on both sides of the cylinder are respectively inserted into the corresponding annular grooves and wedged tightly to each other.

[0013] Preferably, in the above-mentioned pressure vessel, the specific structure of the flange connection between the cover body II and the bottom end cover is:

[0014] The cover body II and the bottom end cover are both provided with through holes, which are evenly distributed around their respective peripheries;

[0015] Bolts are evenly distributed on the outer ring of the cylinder, and the bolts pass through the through holes on the bottom end cover and the cover body II in sequence and are then locked by nuts.

[0016] Preferably, in the above-mentioned pressure vessel, the buckle structure of the cover body I and the cover body II is specifically as follows:

[0017] The side of the cover body II is provided with female buckles, which are evenly distributed in the circumferential direction. The side of the cover body I is provided with male buckles, which are evenly distributed in the circumferential direction. The buckling state of the male buckle and the female buckle is switched by the rotation of the cover body I and / or the cover body II.

[0018] Preferably, in the above-mentioned pressure vessel, the specific structure in which the cover body I and the cover body II are locked to each other in the circumferential direction through the valve is:

[0019] The valve comprises: a valve seat, a valve core shaft and a coil spring;

[0020] The valve seat is provided with a cavity, and an axial hole I and an axial hole II independently penetrating the cavity, a limiting hole is provided on the cover body I, and a mounting hole is provided on the cover body II.

[0021] A protrusion is formed on the surface of the valve core shaft, and the shaft section I on one side of the protrusion passes through the shaft hole I of the valve seat, and the shaft section II on the other side passes through the shaft hole II of the valve seat.

[0022] The spiral spring bushing is mounted on the shaft section I, the protrusion of the valve core shaft and the inner edge of the shaft hole II abut against each other, and the spiral spring abuts between the protrusion and the inner edge of the shaft hole I.

[0023] The valve is installed in the mounting hole of cover body II. When the real-time pressure value in the pressure vessel is greater than the pressure threshold A, the pressure of the pressure vessel drives the valve core shaft to compress the coil spring, and the shaft section I of the valve core shaft extends into the limiting hole of cover body I, and cover body I and cover body II are locked with each other in the circumferential direction.

[0024] Furthermore, in the structure of the above-mentioned pressure vessel: the bottom end cover is provided with an on / off switchable pipeline assembly, and is interconnected with the cavity of the pressure vessel. An external pressure source can instantly pressurize the pressure vessel through the above-mentioned pipeline assembly, and the pressure vessel can also directly release pressure instantly through the pipeline assembly, so it is very convenient and quick to use.

[0025] Compared with the prior art, the pressure vessel obtained by the utility model has the following technical effects:

[0026] 1. The pressure vessel provided by the utility model has a structure in which the top cover adopts a split design of cover bodies I and II. Cover body II and the bottom cover are connected and locked with cover body II, cylinder body and bottom cover through flanges. Cover body I blocks the nuts that lock cover body II, cylinder body and bottom cover. Cover body I and cover body II of the concentric structure are locked with each other in the axial direction and can only be unlocked by self-rotation of cover body I and / or cover body II. Cover body I and cover body II are locked with each other in the circumferential direction through a valve. Therefore, the pressure can only be released first, that is, wait for the real-time pressure value in the pressure vessel to be ≤ After the pressure threshold A (safety pressure value) is reached and the valve switching state of the cover body I and the cover body II is locked synchronously in the circumferential direction, the cover body I can be opened by rotating the cover body I and / or the cover body II first, and then the nuts locking the cover body II, the cylinder body and the bottom end cover can be removed. At this time, the cover body II, the cylinder body and the bottom end cover originally locked by the flange can be opened. Therefore, the utility model can completely prevent the situation of "opening the cover body without releasing the pressure in the pressure vessel (that is, reducing it to below the safety pressure value) to cause dangerous hidden dangers".

[0027] 2. The pressure vessel provided by the utility model has a structure in which the cover body II, the cylinder body and the bottom end cover are mechanically locked, the structure is simple, and the stability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of a pressure vessel;

[0029] Figure 2 It is a structural diagram of a pressure vessel (cover body I and cover body II are separated);

[0030] Figure 3 yes Figure 1 A schematic diagram of the top surface structure of a pressure vessel;

[0031] Figure 4 yes Figure 3 Sectional view at AA in the middle;

[0032] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle;

[0033] Figure 6 It is a structural diagram of another pressure vessel.

[0034] In the figure: top cover 1, cylinder 2, bottom cover 3, cover body I4, cover body II5, valve 6, nut 7, ring groove 8, through hole 9, bolt 10, female buckle 11, male buckle 12, valve seat 13, valve core shaft 14, coil spring 15, cavity 16, shaft hole I17, shaft hole II18, limit hole 19, mounting hole 20, protrusion 21, shaft segment I22, shaft segment II23, pipeline assembly 24. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0036] like Figure 1-5 As shown, as an embodiment of the utility model, a pressure vessel provided in this embodiment includes a top cover 1, a cylinder 2 and a bottom cover 3, wherein:

[0037] The top cover 1 includes a cover body I4, a cover body II5 and a valve 6;

[0038] Wherein, the cover body II5 and the bottom end cover 3 are respectively installed on the ports of the cylinder body 2, and the cover body II5 and the bottom end cover 3 are flange-connected, and the cover body I4 covers the nuts 7 that lock the cover body II5, the cylinder body 2 and the bottom end cover 3;

[0039] The cover body I4 and the cover body II5 of the concentric structure are locked to each other in the axial direction through a buckle structure, and are unlocked by the self-rotation of the cover body I4 and / or the cover body II5;

[0040] Cover body I4 and cover body II5 are locked to each other in the circumferential direction by valve 6, and are released when the real-time pressure value in the pressure container is ≤ pressure threshold A, and pressure threshold A is a preset value, that is, a preset safety pressure value.

[0041] The specific installation structure of the cover body II5 and the bottom end cover 3 on the port of the cylinder body 2 in this embodiment is as follows:

[0042] The surfaces of the cover body II 5 and the bottom end cover 3 facing the cylinder body 2 are both provided with annular grooves 8, and the two side ports of the cylinder body 2 are respectively inserted into the corresponding annular grooves 8 and wedged against each other.

[0043] The specific structure of the flange connection between the cover body II5 and the bottom end cover 3 in this embodiment is as follows:

[0044] The cover body II5 and the bottom end cover 3 are both provided with through holes 9, which are evenly distributed around their respective peripheries;

[0045] Bolts 10 are evenly distributed on the outer ring of the cylinder 2 , and the bolts 10 pass through the through holes 9 on the bottom cover 3 and the cover body II 5 in sequence and are then tightened by nuts 7 .

[0046] The buckle structure of the cover body I4 and the cover body II5 in this embodiment is specifically as follows:

[0047] The side of the cover body II5 is provided with a female buckle 11, which is evenly distributed in the circumferential direction. The side of the cover body I4 is provided with a male buckle 12, which is evenly distributed in the circumferential direction. The buckling state of the male buckle 12 and the female buckle 11 is switched by the rotation of the cover body I4 and / or the cover body II5.

[0048] The specific structure of the cover body I4 and the cover body II5 being locked to each other in the circumferential direction through the valve 6 in this embodiment is as follows:

[0049] The valve 6 comprises: a valve seat 13, a valve core shaft 14 and a coil spring 15;

[0050] The valve seat 13 is provided with a cavity 16, and an axial hole I 17 and an axial hole II 18 independently penetrating the cavity 16. The cover body I 4 is provided with a limiting hole 19, and the cover body II 5 is provided with a mounting hole 20.

[0051] A protrusion 21 is formed on the surface of the valve core shaft 14, and the shaft section I 22 located on one side of the protrusion 21 passes through the shaft hole I 17 of the valve seat 13, and the shaft section II 23 on the other side passes through the shaft hole II 18 of the valve seat 13.

[0052] The coil spring 15 is sleeved on the shaft section I 22, the protrusion 21 of the valve core shaft 14 and the inner edge of the shaft hole II 18 abut against each other, and the coil spring 15 abuts between the protrusion 21 and the inner edge of the shaft hole I 17.

[0053] The valve 6 is installed in the mounting hole 20 of the cover body Ⅱ5. When the real-time pressure value in the pressure vessel is greater than the pressure threshold A, the pressure of the pressure vessel drives the valve core shaft 14 to compress the coil spring 15, and the shaft section Ⅰ22 of the valve core shaft 14 extends into the limiting hole 19 of the cover body Ⅰ4, and the cover body Ⅰ4 and the cover body Ⅱ5 are locked with each other in the circumferential direction.

[0054] In this embodiment, the bottom end cover 3 is provided with an on / off switchable pipeline assembly 24, and is interconnected with the cavity of the pressure vessel. An external pressure source can instantly pressurize the pressure vessel through the above-mentioned pipeline assembly 24, and the pressure vessel can also directly release pressure instantly through the pipeline assembly 24, so it is very convenient and quick to use.

[0055] As a second implementation of the present utility model, Figure 6 As shown, a pressure vessel is provided in this embodiment, and its general structure is consistent with the first embodiment described above, but the on / off switchable pipeline assembly 24 in this embodiment is arranged on the wall of the cylinder 2 in the pressure vessel, and is also interconnected with the cavity of the pressure vessel.

[0056] In the pressure vessels provided in all the above embodiments, the top cover 1 adopts a split design of cover bodies Ⅰ4 and Ⅱ5 in its structure. The cover body Ⅱ5 and the bottom cover 3 are connected and locked with the cover body Ⅱ5, the cylinder 2 and the bottom cover 3 through flanges. The cover body Ⅰ4 blocks the nut 7 that locks the cover body Ⅱ5, the cylinder 2 and the bottom cover 3. The cover body Ⅰ4 and the cover body Ⅱ5 of the concentric structure are locked with each other in the axial direction and can only be unlocked by the rotation of the cover body Ⅰ4 and / or the cover body Ⅱ5. The cover body Ⅰ4 and the cover body Ⅱ5 are locked with each other in the circumferential direction through the valve 6. Therefore, the pressure can only be released first, that is, waiting for the real-time pressure in the pressure vessel. When the pressure value is ≤ the pressure threshold A (safety pressure value), after the valve 6 that synchronously locks the cover body Ⅰ4 and the cover body Ⅱ5 in the circumferential direction switches its state, the cover body Ⅰ4 can be opened by rotating the cover body Ⅰ4 and / or the cover body Ⅱ5, and then the nut 7 that locks the cover body Ⅱ5, the cylinder body 2 and the bottom end cover 3 can be removed. At this time, the cover body Ⅱ5, the cylinder body 2 and the bottom end cover 3 that were originally locked with the flange can be opened. Therefore, the utility model can completely prevent the situation of "opening the cover body without releasing the pressure in the pressure vessel (that is, reducing it to below the safety pressure value) to cause dangerous hidden dangers" from happening.

[0057] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. A pressure vessel, comprising a top cover, a cylinder and a bottom cover, characterized in that: The top cover comprises a cover body I, a cover body II and a valve; Wherein, the cover body II and the bottom end cover are respectively installed on the ports of the cylinder body, and the cover body II and the bottom end cover are flange-connected, and the cover body I blocks and locks the nuts of the cover body II, the cylinder body and the bottom end cover; The cover body I and the cover body II of the concentric structure are locked to each other in the axial direction through a buckle structure, and are unlocked by the self-rotation of the cover body I and / or the cover body II; The cover body I and the cover body II are locked to each other in the circumferential direction by a valve, and are released when the real-time pressure value in the pressure container is ≤ the pressure threshold value A, and the pressure threshold value A is a preset value.

2. A pressure vessel according to claim 1, characterized in that The specific installation structure of the cover body II and the bottom end cover on the port of the cylinder is: The surfaces of the cover body II and the bottom end cover facing the cylinder are both provided with annular grooves, and the ports on both sides of the cylinder are respectively inserted into the corresponding annular grooves and wedged tightly to each other.

3. A pressure vessel according to claim 1, characterized in that The specific structure of the flange connection between the cover body II and the bottom end cover is as follows: The cover body II and the bottom end cover are both provided with through holes, which are evenly distributed around their respective peripheries; Bolts are evenly distributed on the outer ring of the cylinder, and the bolts pass through the through holes on the bottom end cover and the cover body II in sequence and are then locked by nuts.

4. A pressure vessel according to claim 1, characterized in that The buckle structure of the cover body I and the cover body II is specifically as follows: The side of the cover body II is provided with female buckles, which are evenly distributed in the circumferential direction. The side of the cover body I is provided with male buckles, which are evenly distributed in the circumferential direction. The buckling state of the male buckle and the female buckle is switched by the rotation of the cover body I and / or the cover body II.

5. A pressure vessel according to claim 1, characterized in that The specific structure of the cover body I and the cover body II being locked to each other in the circumferential direction through the valve is as follows: The valve comprises: a valve seat, a valve core shaft and a coil spring; The valve seat is provided with a cavity, and an axial hole I and an axial hole II independently penetrating the cavity, a limiting hole is provided on the cover body I, and a mounting hole is provided on the cover body II. A protrusion is formed on the surface of the valve core shaft, and the shaft section I on one side of the protrusion passes through the shaft hole I of the valve seat, and the shaft section II on the other side passes through the shaft hole II of the valve seat. The spiral spring bushing is mounted on the shaft section I, the protrusion of the valve core shaft and the inner edge of the shaft hole II abut against each other, and the spiral spring abuts between the protrusion and the inner edge of the shaft hole I. The valve is installed in the mounting hole of cover body II. When the real-time pressure value in the pressure vessel is greater than the pressure threshold A, the pressure of the pressure vessel drives the valve core shaft to compress the coil spring, and the shaft section I of the valve core shaft extends into the limiting hole of cover body I, and cover body I and cover body II are locked with each other in the circumferential direction.

6. A pressure vessel according to claim 1, characterized in that: The bottom end cover is provided with an on / off switchable pipeline assembly, and is interconnected with the cavity of the pressure container.

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