CN212644218U - Nitrogen gas jar is with preventing leaking device - Google Patents

Abstract

The utility model discloses a nitrogen gas jar is with preventing leaking device, including shell body and nitrogen gas jar, the upper surface at the base is installed to the shell body, the control box is installed to outer wall one side of shell body, the inside of shell body is provided with cyclic annular fixed plate A and cyclic annular fixed plate B, and cyclic annular fixed plate A is located cyclic annular fixed plate B's top, connecting plate A is all installed to cyclic annular fixed plate A's outer wall both sides, connecting plate A's the other end is installed on the inner wall of shell body, connecting plate B is all installed to cyclic annular fixed plate B's outer wall both sides, connecting plate B's the other end is installed on the inner wall of shell body, cyclic annular fixed plate A's inboard is provided with the nitrogen gas jar, the inboard at. The utility model has the advantages of simple and reasonable structure, adopt the gas seal mode to strengthen the leakproofness of nitrogen gas jar simultaneously, the utility model discloses on be provided with audible-visual annunciator, can remind people when nitrogen gas leaks, improved the security.

Description

Nitrogen gas jar is with preventing leaking device

Technical Field

The utility model relates to a nitrogen gas jar stores technical field, specifically is a nitrogen gas jar is with preventing leaking device.

Background

Nitrogen is a colorless and odorless gas, is chemically inert, slightly soluble in water and alcohol, and is a nonflammable asphyxiant gas. Nitrogen, commonly referred to as an inert gas, is used in certain inert atmospheres for metal processing and in bulbs to prevent arcing. Nitrogen combines with many metals to form hard nitrides, which can be used as a wear resistant metal, and also to create a hard surface on steel. Nitrogen can be used to make ammonia, nitric acid, nitrates, cyanides, etc.; in the manufacture of explosives; fill high temperature thermometers, incandescent bulbs; inert materials are formed to preserve the material for use in dry boxes or glove bags. Liquid nitrogen in the process of freezing food; as a coolant in the laboratory.

However, the existing nitrogen tank has poor sealing performance, and meanwhile, because nitrogen is colorless and odorless and a large amount of nitrogen exists in the air, the leakage of nitrogen is not easy to detect and the safety is low; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nitrogen gas jar is with preventing leaking device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-leakage device for a nitrogen tank comprises an outer shell and the nitrogen tank, wherein the outer shell is arranged on the upper surface of a base, a control box is arranged on one side of the outer wall of the outer shell, an annular fixing plate A and an annular fixing plate B are arranged in the outer shell, the annular fixing plate A is positioned above the annular fixing plate B, the two sides of the outer wall of the annular fixing plate A are both provided with connecting plates A, the other end of the connecting plate A is arranged on the inner wall of the outer shell, the two sides of the outer wall of the annular fixing plate B are both provided with the connecting plates B, the other end of the connecting plate B is arranged on the inner wall of the outer shell, the inner side of the annular fixing plate A is provided with a nitrogen tank, the bottom of nitrogen gas jar is installed in the inboard of cyclic annular fixed plate B, the inner wall one side below of shell body is provided with the nitrogen gas concentration inductor, the top of shell body is provided with the cap.

Preferably, an air inlet pipe A is arranged on one side of the upper surface of the shell cover, an exhaust pipe is arranged on the other side of the upper surface of the shell cover, an air inlet valve A is arranged on the air inlet pipe A, and an exhaust valve is arranged on the exhaust pipe.

Preferably, the bottom of the nitrogen tank is provided with an air inlet pipe B, and the air inlet pipe B is provided with an air inlet valve B.

Preferably, the controller is arranged in the control box, the display screen and the control panel are arranged on the front end face of the control box, the display screen is located above the control panel, and the control panel is provided with a control button.

Preferably, the inner wall of the shell cover is provided with an internal thread, an external thread is arranged above the outer wall of the shell body, and the internal thread on the shell cover is connected with the external thread on the shell body in a threaded engagement manner.

Preferably, an audible and visual alarm is arranged on the upper surface of the control box.

Compared with the prior art, the beneficial effects of the utility model are that: the device has simple and reasonable structure and the following advantages:

1. through the cooperation setting of cap, intake pipe A and blast pipe, set up intake pipe A and blast pipe on the cap and can make the shell body in be full of carbon dioxide, adopt the gas seal mode to strengthen the leakproofness of nitrogen gas jar.

2. Through the cooperation setting of nitrogen gas jar and shell body, because the density of nitrogen gas is little than the density of carbon dioxide, place through nitrogen gas jar outside the shell body inside upside down and can effectively reduce the leakage of nitrogen gas.

3. Through the cooperation setting of control box and nitrogen gas concentration inductor etc., the inside nitrogen gas concentration of nitrogen gas concentration inductor real-time detection shell body, the inside nitrogen gas concentration of shell body risees when nitrogen gas leaks, and the nitrogen gas concentration inductor detects and gives audible-visual annunciator with signal output for audible-visual annunciator begins to report to the police, reminds people nitrogen gas to leak, has improved the security.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic diagram of the right-side view structure of the present invention;

fig. 3 is a top view of the fixing plate of the present invention.

In the figure: 1. an air inlet pipe A; 2. a shell cover; 3. an outer housing; 4. a nitrogen tank; 5. an annular fixing plate A; 501. a connecting plate A; 6. an intake valve B; 7. an air inlet pipe B; 8. a base; 9. an exhaust pipe; 10. an exhaust valve; 11. an air intake valve A; 12. an audible and visual alarm; 13. a control box; 1301. a controller; 1302. a display screen; 1303. a control panel; 1304. a control button; 14. a nitrogen concentration sensor; 15. an annular fixing plate B; 1501. and a connecting plate B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a leakage-proof device for a nitrogen tank comprises an outer shell 3 and a nitrogen tank 4, wherein the outer shell 3 is installed on the upper surface of a base 8, a control box 13 is installed on one side of the outer wall of the outer shell 3, an annular fixing plate A5 and an annular fixing plate B15 are arranged inside the outer shell 3, the annular fixing plate A5 is positioned above an annular fixing plate B15, connecting plates A501 are installed on two sides of the outer wall of an annular fixing plate A5, the other end of each connecting plate A501 is installed on the inner wall of the outer shell 3, connecting plates B1501 are installed on two sides of the outer wall of an annular fixing plate B15, the other end of each connecting plate B1501 is installed on the inner wall of the outer shell 3, a nitrogen tank 4 is arranged on the inner side of an annular fixing plate A5, the bottom end of the nitrogen tank 4 is installed on the inner side of an annular fixing plate B15, a nitrogen concentration inductor 14, an exhaust pipe 9 is arranged on the other side of the upper surface of the shell cover 2, an air inlet valve A11 is arranged on the air inlet pipe A1, an exhaust valve 10 is arranged on the exhaust pipe 9, an air inlet pipe B7 is arranged at the bottom of the nitrogen tank 4, an air inlet valve B6 is arranged on the air inlet pipe B7, a controller 1301 is arranged inside the control box 13, a display screen 1302 and a control panel 1303 are arranged on the front end face of the control box 13, and display screen 1302 is located the top of control panel 1303, the last control button 1304 that is provided with of control panel 1303, the inner wall of cap 2 is provided with the internal thread, the outer wall top of shell body 3 is provided with the external screw thread, pass through threaded engagement between the external screw thread on internal thread on cap 2 and the shell body 3 and be connected, the upper surface of control box 13 is provided with audible-visual annunciator 12, the output of nitrogen gas concentration inductor 14 and the input electric connection of controller 1301, the output of controller 1301 and audible-visual annunciator 12's input electric connection.

The working principle is as follows: place nitrogen gas jar 4 upside down in the inside of shell body 3, through connecting plate A501, connecting plate B1501, the fixed nitrogen gas jar 4 of annular fixed plate A5 and annular fixed plate B15, intake pipe A1 from the cap 2 lets in the carbon dioxide, open discharge valve 10 on the blast pipe 9, make the inside carbon dioxide that is full of shell body 3, adopt the leakproofness of mode enhancement nitrogen gas jar 4 of atmoseal, be provided with nitrogen gas concentration inductor 14 on the shell body 3 inner wall, when the inside nitrogen gas concentration of shell body 3 exceeds the setting value, the signal is transmitted to the inside controller 1301 of control box 13 by the output of nitrogen gas concentration inductor 14, and transmit the input for audible-visual annunciator 12 by the output of controller 1301, make audible-visual annunciator 12 begin to report to the police, the security is improved, therefore.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims (6)

1. The utility model provides a nitrogen gas jar is with preventing leaking device, includes shell body (3) and nitrogen gas jar (4), its characterized in that: the upper surface at base (8) is installed to shell body (3), control box (13) is installed to outer wall one side of shell body (3), the inside of shell body (3) is provided with cyclic annular fixed plate A (5) and cyclic annular fixed plate B (15), and cyclic annular fixed plate A (5) is located the top of cyclic annular fixed plate B (15), connecting plate A (501) are all installed to the outer wall both sides of cyclic annular fixed plate A (5), the other end of connecting plate A (501) is installed on the inner wall of shell body (3), connecting plate B (1501) are all installed to the outer wall both sides of cyclic annular fixed plate B (15), the other end of connecting plate B (1501) is installed on the inner wall of shell body (3), the inboard of cyclic annular fixed plate A (5) is provided with nitrogen gas jar (4), the inboard at cyclic annular fixed plate B (15) is installed to the bottom of nitrogen gas jar (4, a nitrogen concentration sensor (14) is arranged below one side of the inner wall of the outer shell (3), and a shell cover (2) is arranged at the top of the outer shell (3).

2. A leakage preventing apparatus for a nitrogen gas tank as defined in claim 1, wherein: the air inlet pipe is characterized in that an air inlet pipe A (1) is arranged on one side of the upper surface of the shell cover (2), an exhaust pipe (9) is arranged on the other side of the upper surface of the shell cover (2), an air inlet valve A (11) is arranged on the air inlet pipe A (1), and an exhaust valve (10) is arranged on the exhaust pipe (9).

3. A leakage preventing apparatus for a nitrogen gas tank as defined in claim 1, wherein: the bottom of nitrogen gas jar (4) is provided with intake pipe B (7), be provided with admission valve B (6) on intake pipe B (7).

4. A leakage preventing apparatus for a nitrogen gas tank as defined in claim 1, wherein: the controller (1301) is arranged in the control box (13), a display screen (1302) and a control panel (1303) are arranged on the front end face of the control box (13), the display screen (1302) is located above the control panel (1303), and a control button (1304) is arranged on the control panel (1303).

5. A leakage preventing apparatus for a nitrogen gas tank as defined in claim 1, wherein: the inner wall of cap (2) is provided with the internal thread, the outer wall top of shell body (3) is provided with the external screw thread, be connected through threaded engagement between the external screw thread on the internal thread on cap (2) and the shell body (3).

6. A leakage preventing apparatus for a nitrogen gas tank as defined in claim 1, wherein: and an audible and visual alarm (12) is arranged on the upper surface of the control box (13).

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