CN212929529U

CN212929529U - Pressure tank sealing head with heat insulation structure

Info

Publication number: CN212929529U
Application number: CN202021186447.XU
Authority: CN
Inventors: 郭卫凯
Original assignee: Shandong Dinghe New Material Technology Co ltd
Current assignee: Shandong Dinghe New Material Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-09
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a pressure tank head with adiabatic structure, including head and pressure tank, head and pressure tank welding, the sliding plate has been cup jointed in the head in the slip, a plurality of second springs of fixedly connected with between sliding plate and the head, the sliding plate upper surface is connected with a plurality of connecting rods through the round pin rotation, the cross section of connecting rod is connected through the round pin rotation, the one end that the sliding plate was kept away from to the connecting rod is connected with first slider through the round pin rotation, a plurality of first sliding tray has been seted up to the head lower surface, the slider through first sliding tray with head sliding connection, the first spring of fixedly connected with between first slider and the head. The utility model discloses the head damage is avoided to the pressure that the head received when can effectively cushion the pressurization, seals the protection to the welding seam department of head and overhead tank simultaneously, has avoided welding seam department to be corroded or destroys, influences the leakproofness of overhead tank.

Description

Pressure tank sealing head with heat insulation structure

Technical Field

The utility model relates to a pressure tank head technical field especially relates to a pressure tank head with adiabatic structure.

Background

The pressure tank is used for storing liquid or gas with certain pressure, such as liquefied state of liquefied natural gas, liquid nitrogen and other gases, and is often provided with a seal head, wherein the seal head is a component of a container and is connected with a cylinder body in a welding mode, and the seal head is an end cover on the pressure container and is a main pressure-bearing component of the pressure container. The function is to seal.

In the prior art, the existing sealing head of the pressure tank is not provided with a buffer device, the pressure in the tank directly acts on the sealing head, the sealing head can be damaged, the existing sealing head is not well protected on a welding position, the welding line can be corroded, and therefore the air leakage of the welding position is caused, and the pressure in the pressure tank is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a pressure tank end socket with a heat insulation structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pressure tank head with adiabatic structure, includes head and pressure tank, head and pressure tank welding, sliding plate has been cup jointed in sliding in the head, a plurality of second springs of fixedly connected with between sliding plate and the head, the sliding plate upper surface is connected with a plurality of connecting rods through the round pin hub rotation, the intersection of connecting rod is connected through the round pin hub rotation, the one end that the sliding plate was kept away from to the connecting rod is connected with first slider through the round pin hub rotation, a plurality of first sliding tray have been seted up to the head lower surface, the slider through first sliding tray with head sliding connection, the first spring of fixedly connected with between first slider and the head, the head lateral wall is provided with welding seam protection device.

Preferably, the welding of head lateral wall has the installation piece, the installation piece is the loop configuration, the sealing washer has been cup jointed in the installation piece slip, sealing washer and head sliding connection, a plurality of third springs of fixedly connected with between sealing washer and the installation piece, a plurality of spacing grooves have been seted up to the sealing washer lateral wall, the installation piece lateral wall runs through sliding connection and has a plurality of spacer pins, spacer pin one end runs through the spacing inslot that extends to the sealing washer, and the other end extends to the installation piece is outside.

Preferably, the first slider is a slider with a T-shaped cross section, and the first sliding groove is a T-shaped sliding groove.

Preferably, a plurality of second sliding grooves are formed in the side wall of the end socket, a plurality of second sliding blocks are bonded to the inner wall of the sealing ring, and the sealing ring is connected with the end socket in a sliding mode through the second sliding blocks.

Preferably, a vacuum cavity is formed in the end socket, and a sealing ring is arranged at the sliding connection position of the sliding plate and the end socket.

Preferably, an operation block is bonded to one end, located outside the installation block, of the limiting pin, and anti-skid grains are carved on the outer wall of the operation block.

The utility model discloses contrast prior art, its advantage lies in:

1. by arranging the sliding plate, the connecting rod, the first sliding block, the first sliding groove, the first spring and the second spring, when pressure is gradually applied to the interior of the tank, the sliding plate slides upwards, the connecting rod drives the first sliding block to slide, the first spring and the second spring are compressed, the pressure is buffered through the elastic force of the springs, the pressure does not directly act on the seal head, and the seal head is prevented from being damaged due to overlarge pressure;

2. after the end socket is installed, the operation block is pulled to pop out the sealing ring, the sealing protection is carried out on the welding seam, and the phenomenon that the pressure in the pressure tank is influenced due to air leakage at the joint caused by corrosion of the welding seam is avoided;

3. the vacuum groove and the sealing gasket between the sliding plate and the end enclosure are arranged to play a role in heat insulation, so that the heat loss of the materials in the tank or the intake of the external heat is prevented.

Drawings

Fig. 1 is a schematic structural diagram of a pressure tank head with a heat insulation structure according to the present invention.

Fig. 2 is an enlarged view of a position a of the head of the pressure tank with the heat insulation structure according to the present invention.

Fig. 3 is an enlarged view of the point B of the head of the pressure tank with the heat insulation structure according to the present invention.

Fig. 4 is a cross-sectional view of the pressure tank head with the heat insulation structure at the position C according to the present invention.

In the figure: the device comprises a sealing head 1, a sliding plate 2, a connecting rod 3, a first sliding block 4, a first sliding groove 5, a first spring 6, a second spring 7, a pressure tank 8, a second sliding groove 9, a second sliding block 10, a sealing ring 11, an installation block 12, a third spring 13, a limiting pin 14, an operation block 15 and a vacuum cavity 16.

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.

Referring to fig. 1-4, a pressure tank head with adiabatic structure, including head 1 and pressure tank 8, head 1 and pressure tank 8 welding, sliding plate 2 has been cup jointed in the head 1, a plurality of second springs 7 of fixedly connected with between sliding plate 2 and the head 1, the upper surface of sliding plate 2 is connected with a plurality of connecting rods 3 through the round pin rotation, the junction of connecting rod 3 is connected through the round pin rotation, the one end that connecting rod 3 kept away from sliding plate 2 is connected with first slider 4 through the round pin rotation, a plurality of first sliding tray 5 have been seted up to head 1 lower surface, first slider 4 is through first sliding tray 5 and head 1 sliding connection, first spring 6 of fixedly connected with between first slider 4 and the head 1, head 1 lateral wall is provided with the welding seam protection device.

The welding of 1 lateral wall of head has installation piece 12, installation piece 12 is the loop configuration, installation piece 12 slides and has cup jointed sealing washer 11, sealing

washer

11 and 1 sliding connection of head, a plurality of third springs 13 of fixedly connected with between sealing washer 11 and the installation piece 12, a plurality of spacing grooves have been seted up to sealing washer 11 lateral wall, installation piece 12 lateral wall runs through sliding connection has a plurality of spacer pins 14, the spacing inslot that extends to sealing washer 11 is run through to 14 one end of spacer pin, the other end extends to installation piece 12 outsidely, second sliding tray 9, second slider 10, spacer pin 14, the 15 at least symmetries of operation piece are provided with two sets ofly.

First slider 4 is the slider of T shape for the cross-section, and first sliding tray 5 is the T shape sliding tray, and the slider of T shape is more firm with the cooperation of sliding tray, prevents that the slider from droing from the sliding tray. A plurality of second sliding grooves 9 are formed in the side wall of the seal head 1, a plurality of second sliding blocks 10 are bonded to the inner wall of the sealing ring 11, and the sealing ring 11 is connected with the seal head 1 in a sliding mode through the second sliding blocks 10.

The sealing head 1 is internally provided with a vacuum cavity 16, the sliding connection part of the sliding plate 2 and the sealing head 1 is provided with a sealing gasket, and the vacuum cavity 16 and the sealing gasket are used for isolating the direct thermal contact between the substances in the pressure tank 8 and the outside, so that the heat insulation effect is achieved. The one end that the spacer pin 14 is located the installation piece 12 outside bonds has operation piece 15, and the outer wall sculpture of operation piece 15 has anti-skidding line, and the phenomenon that skids appears in the operation process is prevented to the anti-skidding line of operation piece 15 outer wall.

When the seal head of the utility model is used, the seal head 1 is welded with the pressure tank 8, after the welding is finished, the operation block 15 is pulled, so that the limit pin 14 slides out of the limit groove of the seal ring 11, the limit on the seal ring 11 is released, the seal ring 11 is ejected out under the action of the third spring 13, sealing the welding seam to protect the welding seam from being corroded or damaged, stamping the pressure tank 8 after the welding seam is sealed, in the stamping process, the pressure makes the sliding plate 2 slide upwards to drive the connecting rod 3 to move, the connecting rod 3 drives the first sliding block 4 to move, at the moment, the sliding plate 2 compresses the second spring 7, the first sliding block 4 compresses the first spring 6, partial pressure is buffered through the elastic force of the first spring 6 and the second spring 7, the pressure is prevented from directly acting on the seal head, the seal head is protected, meanwhile, the direct thermal contact between the substance in the pressure tank 8 and the external connection is isolated through the vacuum cavity 16 and a sealing gasket between the sliding plate 2 and the end socket 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pressure tank end socket with a heat insulation structure comprises an end socket (1) and a pressure tank (8), and is characterized in that the end socket (1) is welded with the pressure tank (8), a sliding plate (2) is sleeved in the end socket (1) in a sliding mode, a plurality of second springs (7) are fixedly connected between the sliding plate (2) and the end socket (1), the upper surface of the sliding plate (2) is rotatably connected with a plurality of connecting rods (3) through pin shafts, the crossed parts of the connecting rods (3) are rotatably connected through the pin shafts, one end, far away from the sliding plate (2), of each connecting rod (3) is rotatably connected with a first sliding block (4) through the pin shafts, a plurality of first sliding grooves (5) are formed in the lower surface of the end socket (1), the first sliding block (4) is slidably connected with the end socket (1) through the first sliding grooves (5), and a first spring (6) is fixedly connected between the first sliding block (4, and a welding seam protection device is arranged on the side wall of the seal head (1).

2. A pressure tank head with a heat insulation structure according to claim 1, characterized in that a mounting block (12) is welded on the side wall of the head (1), the mounting block (12) is of an annular structure, a sealing ring (11) is sleeved on the mounting block (12) in a sliding manner, the sealing ring (11) is connected with the head (1) in a sliding manner, a plurality of third springs (13) are fixedly connected between the sealing ring (11) and the mounting block (12), a plurality of limiting grooves are formed in the side wall of the sealing ring (11), a plurality of limiting pins (14) are connected with the side wall of the mounting block (12) in a penetrating and sliding manner, one end of each limiting pin (14) penetrates and extends into the limiting groove of the sealing ring (11), and the other end of each limiting pin extends to the outside of the mounting block (.

3. A pressure vessel head with an insulating structure according to claim 1, characterized in that the first slider (4) is a slider with a T-shaped cross-section and the first sliding groove (5) is a T-shaped sliding groove.

4. A pressure tank end socket with a heat insulation structure according to claim 2, wherein the side wall of the end socket (1) is provided with a plurality of second sliding grooves (9), the inner wall of the sealing ring (11) is bonded with a plurality of second sliding blocks (10), and the sealing ring (11) is slidably connected with the end socket (1) through the second sliding blocks (10).

5. A pressure vessel head with heat insulation structure according to claim 1, characterized in that a vacuum cavity (16) is arranged in the head (1), and a sealing gasket is arranged at the sliding connection position of the sliding plate (2) and the head (1).

6. A pressure tank head with an insulating structure according to claim 2, characterized in that an operating block (15) is bonded to one end of the limiting pin (14) located outside the mounting block (12), and the outer wall of the operating block (15) is carved with anti-skid lines.