CN211175338U

CN211175338U - Waist drum breakage-proof seal head

Info

Publication number: CN211175338U
Application number: CN201922084772.9U
Authority: CN
Inventors: 胡烨; 杨占峰; 张�成
Original assignee: Yixing Huawei Head Plate Co ltd
Current assignee: Yixing Huawei Head Plate Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-08-04
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a waist drum breakage-proof head relates to waist drum head technical field, produces surface depression or arch for solving current waist drum head in long-term the use because the unstability of atmospheric pressure leads to the serious damaged problem of waist drum head. The top of mounting flange dish is provided with the fillet, the top of fillet is provided with connects the straight tube, the top of connecting the straight tube is provided with oval terminal surface, the top of oval terminal surface is provided with the test tube, the top of test tube is provided with the barometer, one side of test tube is provided with the connecting pipe, the inside of connecting pipe is provided with the connection flange dish, the top of connection flange dish is provided with sealed lid, the inside of connection flange dish is provided with the connecting hole, the inside of connecting hole is provided with fastening bolt, fastening bolt's below is provided with fastening nut, one side of connecting hole is provided with the seal groove.

Description

Waist drum breakage-proof seal head

Technical Field

The utility model relates to a waist drum head technical field specifically is a waist drum breakage-proof head.

Background

The end cap is an element for sealing the end of the container to isolate the internal and external media, and is also called an end cap. The closure head of a cylindrical container is generally a swivel housing. The shape of the seal head surface can be divided into convex, conical, flat and combined shapes. The convex end socket refers to an end socket with a convex outer surface shape, such as a hemispherical, oval, dished and edgeless spherical end socket. Some gas cylinders adopt a combined bottom seal head with an inward convex surface, so that the strength can be ensured, and the requirement for safe use can be met. The seal head is a component of the container and is connected with the cylinder body in a welding mode. According to different geometric shapes, the sealing head can be divided into a spherical sealing head, an oval sealing head, a disc sealing head, a spherical cap sealing head, a conical shell sealing head, a flat cover sealing head and the like, wherein the spherical sealing head, the oval sealing head, the disc sealing head and the spherical cap sealing head are also called as a convex sealing head. The welding is divided into butt welding end socket and socket welding end socket, and the welding is used for various container devices, such as storage tanks, heat exchangers, towers, reaction kettles, boilers, separation devices and the like, and most containers are waist drum end sockets.

The existing waist drum end socket has the problem that the waist drum end socket is seriously damaged due to the fact that the surface of the existing waist drum end socket is sunken or raised due to unstable air pressure in long-term use; therefore, the existing requirements are not met, and a waist drum breakage-proof end socket is provided for the end socket.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waist drum breakage-proof head to it produces surface depression or arch because the unstability of atmospheric pressure in the long-term use to propose current waist drum head among the solution above-mentioned background art, leads to the serious damaged problem of waist drum head.

In order to achieve the above object, the utility model provides a following technical scheme: a waist drum breakage-proof seal head comprises a fixed flange plate, wherein a round angle is arranged above the fixed flange plate, a connecting straight pipe is arranged above the round angle, an oval end face is arranged above the connecting straight pipe, a test pipe is arranged above the oval end face, a barometer is arranged above the test pipe, a connecting pipe is arranged on one side of the test pipe, a connecting flange plate is arranged inside the connecting pipe, a sealing cover is arranged above the connecting flange plate, a connecting hole is arranged inside the connecting flange plate, a fastening bolt is arranged inside the connecting hole, a fastening nut is arranged below the fastening bolt, a sealing groove is arranged on one side of the connecting hole, a fixing hole is arranged inside the fixed flange plate, a gasket groove is arranged on one side of the fixing hole, a slope face is arranged on one side of the gasket groove, a convex surface is arranged above the slope surface, an air pressure testing channel is arranged above the convex surface, and an air pressure transmission channel is arranged on one side of the air pressure testing channel.

Preferably, sixteen fixing holes are formed in the fixing flange plate, and sixteen fixing holes are uniformly distributed in the fixing flange plate.

Preferably, the number of the connecting flange plates is four, and the four connecting flange plates are uniformly distributed on the periphery above the oval end face.

Preferably, the test tube and the connecting tube are both connected with the elliptical end face in a welding mode.

Preferably, eight fastening bolts are arranged, and the eight fastening bolts are closely distributed in the connecting flange plate.

Preferably, the number of the air pressure transmission channels is four, and the four air pressure transmission channels are symmetrical about a vertical central line of the air pressure test channel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model discloses a set up fillet and slope, not only can increase the thickness of waist drum head, can also weaken the pressure of gas flow, avoided the waist drum head to produce sunken or bellied possibility, reduced the breakage rate of waist drum head.

2. Through setting up seal groove and gasket groove structure, can be great improvement the leakproofness of waist drum head, avoided producing the danger that the gap leads to gas leakage or gas explosion in long-time the use.

3. Through setting up the fixed orifices, not only can improve the intensity of waist drum head, can also conveniently dismantle and change the waist drum head, great improvement the practicality of waist drum head, also can prevent simultaneously that the waist drum head from taking place to rotate and leading to gas leakage in the effect of atmospheric pressure.

Drawings

FIG. 1 is an overall front view of the present invention;

Fig. 2 is an overall plan view of the present invention;

Fig. 3 is an overall bottom view of the present invention;

Fig. 4 is a cross-sectional view of the elliptical end surface of the present invention.

In the figure: 1. fixing a flange plate; 2. connecting a straight pipe; 3. an elliptical end face; 301. an air pressure transmission channel; 302. an air pressure test channel; 4. round corners; 5. a connecting pipe; 6. connecting a flange plate; 7. fastening a bolt; 8. fastening a nut; 9. a sealing cover; 10. a test tube; 11. a barometer; 12. a fixing hole; 13. connecting holes; 14. a sealing groove; 15. a gasket groove; 16. a slope surface; 17. a convex surface.

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, the present invention provides an embodiment: a waist drum breakage-proof seal head comprises a fixed flange plate 1 which can be firmly fixed with a container shell, a round angle 4 is arranged above the fixed flange plate 1 and can increase the thickness of the joint of a connecting straight pipe 2 and enable the connecting straight pipe to bear larger air pressure, the connecting straight pipe 2 is arranged above the round angle 4, an oval end surface 3 is arranged above the connecting straight pipe 2, a test pipe 10 is arranged above the oval end surface 3 and can enable the gas in the container to be transmitted into a barometer 11, the barometer 11 is arranged above the test pipe 10 and can detect the pressure of the gas in the container, a connecting pipe 5 is arranged on one side of the test pipe 10, a connecting flange plate 6 is arranged inside the connecting pipe 5 and can transmit the gas in the container to other devices, a sealing cover 9 is arranged above the connecting flange plate 6 and can play a sealing role in sealing the connecting flange plate 6, the inside of the connecting flange plate 6 is provided with a connecting hole 13, the inside of the connecting hole 13 is provided with a fastening bolt 7 which can firmly fix the connecting flange plate 6 and a sealing cover 9 together, a fastening nut 8 is arranged below the fastening bolt 7, one side of the connecting hole 13 is provided with a sealing groove 14 which can avoid the connecting flange plate 6 and the sealing cover 9 from generating a gap, the inside of the fixed flange plate 1 is provided with a fixed hole 12, one side of the fixed hole 12 is provided with a gasket groove 15 which can prevent the gap existing at the joint of the fixed flange plate 1 and a container shell, one side of the gasket groove 15 is provided with a slope surface 16 which can buffer the flow of gas and reduce the pressure of the gas on the inner wall of the seal head, a convex surface 17 is arranged above the slope surface 16 which can weaken the pressure of the gas pressure flowing and avoid causing the internal depression or the protrusion of the seal head, and a gas, the air pressure transmission channel 301 is disposed at one side of the air pressure test channel 302.

Further, the fixed orifices 12 are provided with sixteen, and sixteen fixed orifices 12 evenly distributed are in fixed flange dish 1's inside, can improve fixed flange dish 1 and vessel shell's fastness, avoid producing the gyration power in the container simultaneously and make fixed flange dish 1 rotatory.

Further, four connecting flange plates 6 are arranged, and the four connecting flange plates 6 are uniformly distributed on the periphery above the elliptical end face 3, so that gas in the container can be transmitted to other devices through the connecting flange plates 6.

Further, test tube 10, connecting pipe 5 all with oval terminal surface 3 welded connection, can improve the intensity of test tube 10 and connecting pipe 5, avoid producing the crackle under highly compressed effect.

Further, the fastening bolts 7 are eight, and the eight fastening bolts 7 are closely distributed in the connecting flange plate 6, so that the sealing performance of the connecting flange plate 6 can be improved, and gas leakage caused by gaps generated in the using process is avoided.

Further, the number of the air pressure transmission channels 301 is four, and the four air pressure transmission channels 301 are symmetrical about the vertical center line of the air pressure test channel 302, so that the stress on the convex surface 17 is uniform, the generation of a recess or a protrusion under the change of air pressure is avoided, and the service life of the waist drum end socket is greatly prolonged.

The working principle is as follows: when in use, firstly, the gasket is placed in the gasket groove 15, the fixing holes 12 of the fixed flange plate 1 are aligned with the through holes of the flange plate on the container shell one by one, the stud bolts pass through the fixing holes 12 and the through holes and are fixed by the fixing nuts, then the sealing ring is placed in the sealing groove 14, the sealing cover 9 is aligned with the connecting hole 13 of the connecting flange 6, the fastening bolt 7 passes through the connecting hole 13 and is fixed by the fastening nut 8, the sealing cover 9 is arranged on the remaining three connecting flanges 6 in sequence, then a small amount of detection gas is introduced, the index of the barometer 11 is observed and compared with the original data of the introduced gas pressure, whether the waist drum end socket is completely sealed is judged, if the waist drum end socket is completely sealed, and (3) taking down the sealing cover 9 on the connecting flange plate 6 according to the requirement, connecting the sealing cover to other devices, detecting the position where a gap possibly exists if complete sealing does not exist, and finally finishing the installation of the waist drum end socket.

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

1. The utility model provides a waist drum breakage-proof head, includes mounting flange dish (1), its characterized in that: the testing device is characterized in that a fillet (4) is arranged above the fixed flange plate (1), a connecting straight pipe (2) is arranged above the fillet (4), an elliptical end face (3) is arranged above the connecting straight pipe (2), a testing pipe (10) is arranged above the elliptical end face (3), a barometer (11) is arranged above the testing pipe (10), a connecting pipe (5) is arranged on one side of the testing pipe (10), a connecting flange plate (6) is arranged inside the connecting pipe (5), a sealing cover (9) is arranged above the connecting flange plate (6), a connecting hole (13) is arranged inside the connecting flange plate (6), a fastening bolt (7) is arranged inside the connecting hole (13), a fastening nut (8) is arranged below the fastening bolt (7), and a sealing groove (14) is arranged on one side of the connecting hole (13), the inside of mounting flange dish (1) is provided with fixed orifices (12), one side of fixed orifices (12) is provided with packing groove (15), one side of packing groove (15) is provided with slope (16), the top of slope (16) is provided with convex surface (17), the top of convex surface (17) is provided with atmospheric pressure test passageway (302), one side of atmospheric pressure test passageway (302) sets up atmospheric pressure transmission passageway (301).

2. The waist drum breakage-proof seal head according to claim 1, characterized in that: sixteen fixing holes (12) are formed in the fixing flange plate (1), and the sixteen fixing holes (12) are evenly distributed in the fixing flange plate.

3. The waist drum breakage-proof seal head according to claim 1, characterized in that: the number of the connecting flange plates (6) is four, and the four connecting flange plates (6) are uniformly distributed on the periphery above the oval end face (3).

4. The waist drum breakage-proof seal head according to claim 1, characterized in that: the test tube (10) and the connecting tube (5) are both connected with the elliptical end face (3) in a welding mode.

5. The waist drum breakage-proof seal head according to claim 1, characterized in that: the eight fastening bolts (7) are arranged, and the eight fastening bolts (7) are tightly distributed in the connecting flange plate (6).

6. The waist drum breakage-proof seal head according to claim 1, characterized in that: the number of the air pressure transmission channels (301) is four, and the four air pressure transmission channels (301) are symmetrical about the vertical center line of the air pressure testing channel (302).