Tetraethyl orthosilicate closed material pumping pipe

Abstract

The utility model discloses a tetraethoxysilane closed type material pumping pipe which comprises an end cover, a penetrating hole is formed in the end cover, a sealing column is arranged in the penetrating hole, an outer ring is arranged on the end cover, a top plate is fixedly connected to the upper surface of the outer ring, an inner ring is fixedly connected to the lower surface of the top plate, the inner ring is located on the inner side of the outer ring, and a sealing ring is arranged on the outer ring. Sealing grooves are formed in the lower surface of the inner ring and the lower surface of the outer ring, sealing rings are fixedly connected into the sealing grooves, a vacuum connecting pipe is fixedly connected to the surface of the outer side of the outer ring and communicates with the inner side of the inner ring, a penetrating groove is formed in the top plate, and the sealing column is located in the penetrating groove. And the connecting position of the end cover and the material pumping pipe can be conveniently sealed and isolated, and the situation that due to poor airtightness of the connecting position, gas leakage is caused, and harm is caused to people is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tetraethyl orthosilicate closed type material suction pipe technical field, especially a tetraethyl orthosilicate closed type material suction pipe. BACKGROUND

[0002] The existing closed type material suction pipe is convenient to use by being provided with a nitrogen connecting pipe and a waste gas connecting pipe, but the connecting pipe and the end cover are prone to insufficient sealing, which causes harmful gas leakage and harms the safety of people, such as the "tetraethyl orthosilicate closed type material suction pipe" disclosed in Chinese Patent No. CN202222141434.6, which comprises a cover, a liquid suction pipe, a waste gas connecting pipe, and a nitrogen connecting pipe. The cover can be installed on the barrel opening of the raw material barrel, and the cover is provided with a liquid suction pipe mounting hole, a waste gas connecting pipe mounting hole, and a nitrogen connecting pipe mounting hole. The top end of the liquid suction pipe is fixedly connected with a quick connector, and the bottom end of the liquid suction pipe extends into the interior of the raw material barrel. The liquid suction pipe can be inserted into the liquid suction pipe mounting hole and fixedly connected with the cover. The waste gas connecting pipe can be inserted into the waste gas connecting pipe mounting hole and fixedly connected with the cover. The waste gas connecting pipe can be connected with a gas recovery device. The nitrogen connecting pipe is inserted into the nitrogen connecting pipe mounting hole and fixedly connected with the cover. The nitrogen connecting pipe can be connected with a nitrogen pipeline. The above structure is convenient to use, but the connecting pipe and the end cover are prone to insufficient sealing, which causes harmful gas leakage and harms the safety of people, and has limitations in use. SUMMARY

[0003] The utility model aims at at least solves one of prior art technical problems, provides a kind of tetraethyl orthosilicate closed type material suction pipe, by being provided with end cover, perforation, sealing column, outer ring, top plate, inner ring, sealing groove, sealing ring, vacuum connecting pipe, slot, it is convenient to seal the connecting place of end cover and material suction pipe and carry out isolation treatment, prevent because connecting place airtightness is not good, leading to gas leakage, cause harm to people.

[0004] The utility model also provides a kind of tetraethyl orthosilicate closed type material suction pipe, comprising: end cover, the end cover is provided with perforation, the perforation is provided with sealing column, the end cover is provided with outer ring, the outer ring upper surface is fixedly connected with top plate, the top plate lower surface is fixedly connected with inner ring, the inner ring is located outer ring inboard, the inner ring and outer ring lower surface are provided with sealing groove, the sealing groove is fixedly connected with sealing ring, the outer ring outboard surface is fixedly connected with vacuum connecting pipe, the vacuum connecting pipe is connected with inner ring inboard, the top plate is provided with slot, the sealing column is located in slot, by the above structure, it is convenient to seal the connecting place of end cover and material suction pipe and carry out isolation treatment, prevent because connecting place airtightness is not good, leading to gas leakage, cause harm to people.

[0005] The utility model relates to a closed material extraction pipe of ethyl orthosilicate, sealing ring no.

[0006] The utility model relates to a closed material extraction pipe of ethyl orthosilicate, the fixed ring side surface fixedly connected with limit ring and sealing ring no.

[0007] The utility model relates to a closed material extraction pipe of ethyl orthosilicate, sealing column is provided with material extraction pipe body, waste gas extraction pipe, nitrogen connecting pipe, through above structure, it is convenient for making the better sealing.

[0008] The utility model relates to a closed material extraction pipe of ethyl orthosilicate, the outer ring side surface fixedly connected with pressure relief pipe, pressure relief pipe is located vacuum connecting pipe top, and is linked together with the inner side of outer ring, through above structure, it is convenient for pressure relief.

[0009] The utility model relates to a closed material extraction pipe of ethyl orthosilicate, the fixed ring side surface fixedly connected with pressure relief pipe, pressure relief pipe is located vacuum connecting pipe top, and is linked together with the inner side of outer ring, through above structure, it is convenient for pressure relief.

[0010] The utility model relates to a closed material extraction pipe of ethyl orthosilicate, the fixed ring side surface fixedly connected with pressure relief pipe, pressure relief pipe is located vacuum connecting pipe top, and is linked together with the inner side of outer ring, through above structure, it is convenient for pressure relief.

[0011] The utility model relates to a closed material extraction pipe of ethyl orthosilicate, the fixed ring side surface fixedly connected with pressure relief pipe, pressure relief pipe is located vacuum connecting pipe top, and is linked together with the inner side of outer ring, through above structure, it is convenient for pressure relief. Beneficial effects

[0012] Compared with the prior art, the closed material extraction pipe of ethyl orthosilicate, by being provided with end cover, perforation, sealing column, outer ring, top plate, inner ring, sealing groove, sealing ring, vacuum connecting pipe, slot, it is convenient to seal the connecting place of end cover and material extraction pipe and carry out isolation treatment, prevent due to the bad gas tightness of connecting place, lead to gas leakage, harm to people. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further explained below in combination with the drawings and examples;

[0014] Figure 1 It is the whole structure diagram of the utility model kind of closed material extraction pipe of ethyl orthosilicate.

[0015] Figure 2 Figure 2 is a bottom view of the closed-type tetraethyl orthosilicate extraction pipe of the present application;

[0016] Figure 3 Figure 3 is a transverse sectional view of the closed-type tetraethyl orthosilicate extraction pipe of the present application;

[0017] Figure 4 Figure 4 is a longitudinal sectional view of the closed-type tetraethyl orthosilicate extraction pipe of the present application.

[0018] Legend:

[0019] 1, skirt; 2, outer ring; 3, top plate; 4, pressure relief pipe; 5, valve; 6, vacuum connection pipe; 7, limiting ring; 8, fixed ring; 9, sealing ring one; 10, sealing column; 11, extraction pipe body; 12, air suction pipe; 13, end cover; 14, thread; 15, nitrogen connection pipe; 16, waste gas extraction pipe; 17, sealing ring two; 18, inner ring; 19, sealing groove; 20, sealing ring. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.

[0021] Reference Figures 1-4The utility model discloses a kind of tetraethyl orthosilicate closed material extraction pipes, it includes: end cap 13, skirt 1 is fixedly connected on the upper surface of end cap 13, the diameter of skirt 1 is greater than the diameter of end cap 13, it is convenient to seal, end cap 13 side surface is provided with screw thread 14, it is convenient to connect with end cap 13, end cap 13 is provided with perforation, sealing column 10 is arranged in the perforation, sealing column 10 position is determined, end cap 13 is provided with outer ring 2, outer ring 2 upper surface is fixedly connected with top plate 3, the lower surface of top plate 3 is fixedly connected with inner ring 18, fixed inner ring 18, inner ring 18 is located in the inside of outer ring 2, the relationship between inner ring 18 and outer ring 2 is determined, inner ring 18 and outer ring 2 lower surface are provided with sealing groove 19, sealing ring 20 is fixedly connected in sealing groove 19, it is convenient to seal, outer ring 2 outside surface is fixedly connected with vacuum connection pipe 6, vacuum connection pipe 6 is connected with the inside of inner ring 18, it is convenient to carry out vacuumizing, top plate 3 is provided with slot, sealing column 10 is located in slot, sealing ring one 9 is fixedly connected on the outside surface of sealing column 10, sealing ring one 9 outside surface is fixedly connected with fixed ring 8, fixed ring 8 is fixed, and make better sealing, the side surface of fixed ring 8 is fixedly connected with limit ring 7 and sealing ring two 17, sealing ring two 17 is fixedly connected on the lower surface of limit ring 7, sealing ring two 17 is fixed, sealing column 10 is provided with material extraction pipe body 11, waste gas extraction pipe 16, nitrogen connection pipe 15, it is convenient to determine the position of material extraction pipe body 1, waste gas extraction pipe 16, nitrogen connection pipe 15, outer ring 2 side surface is fixedly connected with pressure relief pipe 4, pressure relief pipe 4 is located above vacuum connection pipe 6, and is connected with the inside of outer ring 2, it is convenient to carry out pressure relief, outer ring 2 side surface is fixedly connected with air suction pipe 12, air suction pipe 12 penetrates outer ring 2, and is connected with the inside of inner ring 18, and valve 5 is arranged on air suction pipe 12, pressure relief pipe 4, vacuum connection pipe 6, material extraction pipe body 11, nitrogen connection pipe 15, waste gas extraction pipe 16, it is convenient to control its intercommunication.

[0022] Working principle: in use, by placing outer ring 2 and inner ring 18 on end cap 13, and by vacuum connection pipe 6, the gap between outer ring 2 and inner ring 18 is vacuumized, so that it is fixed on end cap 13 under the difference between inside and outside pressure, and because material extraction pipe body 11, nitrogen connection 15 and waste gas extraction pipe 16 are arranged in sealing column 10, and are connected on top plate 3 before installing outer ring 2, in use, end cap 13 is screwed on raw material barrel through screw thread 14, nitrogen can be directly injected through nitrogen connection pipe 15, and waste gas is extracted through waste gas extraction pipe 16, and then gas concentration detection equipment is used in cooperation, when raw material cylinder is filled with nitrogen, material can be extracted through material extraction pipe body 11.

[0023] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the knowledge range that the person skilled in the art has possesses.

Claims

1. A closed draw tube for tetraethyl orthosilicate, characterized by, Include: End cover (13), the end cover (13) is provided with a through hole, the through hole is provided with a sealing column (10), the end cover (13) is provided with an outer ring (2), the outer ring (2) upper surface is fixedly connected with a top plate (3), the top plate (3) lower surface is fixedly connected with an inner ring (18), the inner ring (18) is located in the inner side of the outer ring (2), the inner ring (18) and the lower surface of the outer ring (2) are provided with sealing grooves (19), the sealing grooves (19) are fixedly connected with sealing rings (20), the outer side surface of the outer ring (2) is fixedly connected with a vacuum connection pipe (6), the vacuum connection pipe (6) is communicated with the inner side of the inner ring (18), the top plate (3) is provided with a through slot, and the sealing column (10) is located in the through slot.

2. A closed draw tube of tetraethyl orthosilicate according to claim 1, characterized in that The outer side surface of the sealing column (10) is fixedly connected with a sealing ring one (9), and the outer side surface of the sealing ring one (9) is fixedly connected with a fixed ring (8).

3. A closed draw tube of tetraethyl orthosilicate according to claim 2, characterized in that The side surface of the fixed ring (8) is fixedly connected with a limiting ring (7) and a sealing ring two (17), and the sealing ring two (17) is fixedly connected to the lower surface of the limiting ring (7).

4. A closed draw tube of tetraethyl orthosilicate according to claim 1, characterized in that, The sealing column (10) is provided with a material extraction pipe body (11), a waste gas extraction pipe (16) and a nitrogen connection pipe (15).

5. A closed draw tube of tetraethyl orthosilicate according to claim 1, characterized in that, The side surface of the outer ring (2) is fixedly connected with a pressure relief pipe (4), the pressure relief pipe (4) is located above the vacuum connection pipe (6) and is communicated with the inner side of the outer ring (2).

6. A closed draw tube of tetraethyl orthosilicate according to claim 1, characterized in that, The upper surface of the end cover (13) is fixedly connected with a skirt (1), and the diameter of the skirt (1) is greater than the diameter of the end cover (13).

7. A closed draw tube of tetraethyl orthosilicate according to claim 1, characterized in that, The side surface of the end cover (13) is provided with a thread (14).

8. A closed draw tube of tetraethyl orthosilicate according to claim 1, characterized in that, The side surface of the outer ring (2) is fixedly connected with a suction pipe (12), the suction pipe (12) penetrates the outer ring (2) and is communicated with the inner side of the inner ring (18), and the suction pipe (12), the pressure relief pipe (4), the vacuum connection pipe (6), the material extraction pipe body (11), the nitrogen connection pipe (15) and the waste gas extraction pipe (16) are all provided with valves (5).

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