CN211525747U

CN211525747U - Anti-leakage pipeline connecting device for anti-explosion heater

Info

Publication number: CN211525747U
Application number: CN201922329839.0U
Authority: CN
Inventors: 张纪荣; 张剑
Original assignee: Zhenjiang Heng An Anti Explosive Electric Appliance Co ltd
Current assignee: Zhenjiang Heng An Anti Explosive Electric Appliance Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-18
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses an explosion-proof heater is with pipeline connecting device who prevents leakage, including inferior valve, first bolt and third sealing washer, inferior valve surface is provided with the connection piece, the connection piece surface is provided with first sealing washer, first sealing washer upper end is provided with the epitheca, and wherein, state first bolt setting on the epitheca surface, first bolt one side is provided with the second bolt, second gasket one end is provided with the fifth sealing washer, fourth sealing washer one end is connected with the clamping ring. The leakage-preventing pipeline connecting device for the explosion-proof heater is sealed through the third sealing ring, the pipeline connecting position of the heater forms a sealing connecting structure, the connecting position cannot be leaked, the first bolt, the first nut, the second bolt and the second nut are screwed up, the third sealing ring, the fourth sealing ring and the connecting position are connected more tightly through external extrusion, and the whole external package is a sealing structure through connection between the connecting piece and the first sealing ring.

Description

Anti-leakage pipeline connecting device for anti-explosion heater

Technical Field

The utility model relates to an explosion-proof heater technical field specifically is an explosion-proof heater is with pipe connection device who prevents leakage.

Background

The explosion-proof heater is the most popular domestic and foreign electric heating equipment with high quality and long service life, and is mainly used for heating chemical materials, hydrocarbon and other materials in the field of application, and most of the explosion-proof heaters mainly adopt electric heating.

The heating equipment inside the explosion-proof heater can not only enable the material to be heated evenly, but also the heating speed is very effective, thereby greatly improving the working efficiency, but after the material is used for a period of time, the positions of the pipeline connection of the explosion-proof heater can cause the leakage of the joints due to other factors such as working environments and the like.

The condition of revealing all can take place after using a period in the pipe connection department of the explosion-proof heater of the majority in the existing market, has not only caused the condition of a large amount of wasting of resources for a long time, but also has made the normal use of equipment receive the influence, and then also can influence normal work production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof heater is with preventing pipeline connecting device who leaks to solve the condition that most explosion-proof heater's pipeline junction all can take place to reveal after using a period in the present market that above-mentioned background art provided, not only caused the condition of a large amount of wasting of resources for a long time, but also made the normal use of equipment receive the influence, and then also can influence the problem of normal work production.

In order to achieve the above object, the utility model provides a following technical scheme: a leakage-proof pipeline connecting device for an explosion-proof heater comprises a lower shell, a first bolt and a third sealing ring, wherein a connecting sheet is arranged on the surface of the lower shell, a first sealing ring is arranged on the surface of the connecting sheet, an upper shell is arranged at the upper end of the first sealing ring, wherein,

the first bolt is arranged on the surface of the upper shell, a first nut is arranged at the lower end of the first bolt, a second bolt is arranged on one side of the first bolt, a second nut is arranged at the lower end of the second bolt, a first connecting port is arranged on one side of the second nut, first threads are arranged on the inner wall of the first connecting port, a first gasket is arranged at one end of each first thread, and a second sealing ring is arranged on one side of each first gasket;

the improved structure of the sealing device is characterized in that a third sealing ring is arranged on one side of the first connecting port, a fourth sealing ring is arranged on one side of the third sealing ring, a second connecting port is arranged on one side of the fourth sealing ring, second threads are arranged on the surface of the inner wall of the second connecting port, a second gasket is arranged at one end of each second thread, a fifth sealing ring is arranged at one end of each second gasket, and a connecting ring is connected to one end of each fourth sealing ring.

Preferably, the third sealing ring and the fourth sealing ring have the same structure, and a connecting ring is arranged between the third sealing ring and the fourth sealing ring.

Preferably, the lower shell and the upper shell form a sealing structure through a connecting sheet and a first sealing ring in the middle.

Preferably, the first connection port and the second connection port are identical in size and shape.

Preferably, the maximum diameter of the connecting ring is equal to the maximum diameter of a circle formed by the lower shell and the upper shell.

Preferably, the maximum diameter of the second and fifth sealing rings is equal to the maximum diameter of the first and second connection ports.

Compared with the prior art, the beneficial effects of the utility model are that: this explosion-proof heater is with pipeline connecting device who prevents leaking:

1. the device is provided with first interface, be provided with first screw thread in the first interface, and first interface one end is provided with the third sealing washer, third sealing washer one end fixed seal sets up in adapter ring one side, install first interface on the connector of heating explosion-proof ware through first screw thread during the use, and with connector and first threaded connection firm, just so can be in the same place opening part and third sealing washer are sealed, thereby make the connection of explosion-proof heater connector department can not take place to reveal, the second connector links together with the feed inlet simultaneously, make the feed inlet opening part seal together with the fourth sealing washer, finally make the pipe connection department of explosion-proof heater constitute a sealing connection structure, make the junction can not take place to reveal.

2. The device is provided with a first bolt, a first nut, a second bolt and a second nut between a lower shell and an upper shell, after an explosion-proof heater interface and a feed inlet interface are tightly connected with a third sealing ring and a fourth sealing ring, the first bolt, the first nut, the second bolt and the second nut are screwed, and the third sealing ring and the fourth sealing ring are more tightly connected with a joint through external extrusion, so that the joint is more tight.

3. The device is provided with the connection piece at the lower shell table slowly, and the epitheca bottom is provided with first sealing washer, through being connected between connection piece and the first sealing washer, and then makes whole external packaging be seal structure, makes whole leak protection device's sealing performance more stable.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the sectional structure of the local part of the present invention.

In the figure: 1. a lower case; 2. connecting sheets; 3. a first seal ring; 4. an upper shell; 5. a first bolt; 6. a first nut; 7. a second bolt; 8. a second nut; 9. a first connection port; 10. a first thread; 11. a first gasket; 12. a second seal ring; 13. a third seal ring; 14. a fourth seal ring; 15. a second connection port; 16. a second thread; 17. a second gasket; 18. a fifth seal ring; 19. and (7) connecting rings.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a leakage-preventing pipeline connecting device for an explosion-proof heater comprises a lower shell 1, a connecting piece 2, a first sealing ring 3, an upper shell 4, a first bolt 5, a first screw cap 6, a second bolt 7, a second screw cap 8, a first connecting port 9, a first thread 10, a first gasket 11, a second sealing ring 12, a third sealing ring 13, a fourth sealing ring 14, a second connecting port 15, a second thread 16, a second gasket 17, a fifth sealing ring 18 and a connecting ring 19, wherein the connecting piece 2 is arranged on the surface of the lower shell 1, the lower shell 1 and the upper shell 4 form a sealing structure through the connecting piece 2 and the first sealing ring 3 in the middle, the first bolt 5 and the second bolt 7 on the surface of the upper shell 4 are connected with the first screw cap 6 and the second screw cap 8 at the bottom of the lower shell 1, the connecting piece 2 is connected with the first sealing ring 3, and the whole external package is a sealing structure, the sealing performance of the whole anti-leakage device is more stable, the surface of the connecting piece 2 is provided with a first sealing ring 3, the upper end of the first sealing ring 3 is provided with an upper shell 4, wherein,

the first bolt 5 is arranged on the surface of the upper shell 4, the lower end of the first bolt 5 is provided with a first nut 6, one side of the first bolt 5 is provided with a second bolt 7, the lower end of the second bolt 7 is provided with a second nut 8, one side of the second nut 8 is provided with a first connecting port 9, the first connecting port 9 and the second connecting port 15 are completely the same in size and shape, in the installation process, an installation worker can connect the first connecting port 9 and the second connecting port 15 with a heater according to actual conditions, so as to optimize the integral installation process, the inner wall of the first connecting port 9 is provided with a first thread 10, one end of the first thread 10 is provided with a first gasket 11, one side of the first gasket 11 is provided with a second sealing ring 12, the maximum diameters of the second sealing ring 12 and the fifth sealing ring 18 are equal to the maximum diameters of the first connecting port 9 and the second connecting port 15, when the first connecting port 9 and the second connecting port 15 are in butt joint with an external connecting device, the second sealing ring 12 and the fifth sealing ring 18 are completely connected with the butt joints, so that the structural sealing performance at the positions of the second sealing ring 12 and the fifth sealing ring 18 is better;

a third sealing ring 13 is arranged on one side of the first connecting port 9, the structures of the third sealing ring 13 and the fourth sealing ring 14 are the same, a connecting ring 19 is arranged between the third sealing ring 13 and the fourth sealing ring 14, after an external connecting device passes through the first connecting port 9 and the second connecting port 15, the outer wall of the external connecting device can be tightly connected with the surrounding third sealing ring 13 and the surrounding fourth sealing ring 14, so that the external connecting device and the connecting ring 19 form a complete sealing structure, the fourth sealing ring 14 is arranged on one side of the third sealing ring 13, a second connecting port 15 is arranged on one side of the fourth sealing ring 14, a second thread 16 is arranged on the inner wall surface of the second connecting port 15, a second gasket 17 is arranged at one end of the second thread 16, a fifth sealing ring 18 is arranged at one end of the second gasket 17, and the connecting ring 19 is connected at one end of the fourth sealing ring 14, the maximum diameter of clamping ring 19 equals the maximum diameter that inferior valve 1 and epitheca 4 constitute the circle, screws up the messenger when first bolt 5 and first nut 6, second bolt 7 and second nut 8, and inferior valve 1 and epitheca 4 can be to inside extrusion this moment, can contract to inside simultaneously to whole internal connection structure during the extrusion, make the structure of 19 junctions of clamping ring inseparabler.

The working principle is as follows: when the anti-leakage pipeline connecting device for the anti-explosion heater is used, the first connecting port 9 is firstly arranged on the connecting port of the heating anti-explosion heater through the first thread 10, and the connecting port is firmly connected with the first thread 10, so that the opening part and the third sealing ring can be sealed 13 together, the connection of the connecting port of the anti-explosion heater can not be leaked, meanwhile, the second connecting port 15 is connected with the feeding port, the opening part of the feeding port is sealed with the fourth sealing ring 14, finally, the pipeline connecting part of the anti-explosion heater forms a sealing connecting structure, meanwhile, the connecting device is selected and arranged clockwise, the second sealing ring 12 at one end of the first gasket 11 is tightly connected with the connecting port of the heater, then the feeding port is rotated clockwise, the feeding port is tightly connected with the fifth sealing ring 18 at one end of the second gasket 17, and finally, the first bolt 5 and the second bolt 7 on the surface of the upper shell 4 are connected with the first nut 6 and the second nut 8 at the bottom of the lower shell 1, so that the connection between the connecting piece 2 and the first sealing ring 3 is realized, and the whole external package is a sealing structure, so that the sealing performance of the whole leakage-proof device is more stable, which is the characteristic of the leakage-proof pipeline connecting device for the explosion-proof heater, and the content which is not described in detail in the description belongs to the prior art known by the professional in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an explosion-proof heater is with preventing pipeline connecting device who leaks, includes inferior valve (1), first bolt (5) and third sealing washer (13), its characterized in that: the surface of the lower shell (1) is provided with a connecting sheet (2), the surface of the connecting sheet (2) is provided with a first sealing ring (3), the upper end of the first sealing ring (3) is provided with an upper shell (4), wherein,

the first bolt (5) is arranged on the surface of the upper shell (4), a first nut (6) is arranged at the lower end of the first bolt (5), a second bolt (7) is arranged on one side of the first bolt (5), a second nut (8) is arranged at the lower end of the second bolt (7), a first connecting port (9) is arranged on one side of the second nut (8), first threads (10) are arranged on the inner wall of the first connecting port (9), a first gasket (11) is arranged at one end of each first thread (10), and a second sealing ring (12) is arranged on one side of each first gasket (11);

first connecting port (9) one side is provided with third sealing washer (13), third sealing washer (13) one side is provided with fourth sealing washer (14), fourth sealing washer (14) one side is provided with second connector (15), second connector (15) inner wall surface is provided with second screw thread (16), second screw thread (16) one end is provided with second gasket (17), second gasket (17) one end is provided with fifth sealing washer (18), fourth sealing washer (14) one end is connected with clamping ring (19).

2. A leak-proof pipe connecting device for an explosion-proof heater according to claim 1, wherein: the third sealing ring (13) and the fourth sealing ring (14) are identical in structure, and a connecting ring (19) is arranged between the third sealing ring (13) and the fourth sealing ring (14).

3. A leak-proof pipe connecting device for an explosion-proof heater according to claim 1, wherein: the lower shell (1) and the upper shell (4) form a sealing structure through the connecting piece (2) and the first sealing ring (3) in the middle.

4. A leak-proof pipe connecting device for an explosion-proof heater according to claim 1, wherein: the first connecting port (9) and the second connecting port (15) are identical in size and shape.

5. A leak-proof pipe connecting device for an explosion-proof heater according to claim 1, wherein: the maximum diameter of the connecting ring (19) is equal to the maximum diameter of a circle formed by the lower shell (1) and the upper shell (4).

6. A leak-proof pipe connecting device for an explosion-proof heater according to claim 1, wherein: the maximum diameters of the second sealing ring (12) and the fifth sealing ring (18) are equal to the maximum diameters of the first connecting port (9) and the second connecting port (15).