CN216954056U

CN216954056U - High-temperature sealing device of U-shaped furnace structure

Info

Publication number: CN216954056U
Application number: CN202220744894.5U
Authority: CN
Inventors: 熊伟华; 贾建平; 周海军
Original assignee: Suzhou Haten Technology Co ltd
Current assignee: Suzhou Haten Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-12
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a high-temperature sealing device of a U-shaped furnace structure, which comprises a furnace body, a furnace body flange arranged at the open end of the furnace body, a furnace door rotationally connected with the side edge of the furnace body flange, a plurality of hinged seats arranged on the circumference of the furnace body flange, a swing bolt arranged in the hinged seats in a rotating way, a limiting block sleeved on the swing bolt and abutted against the end surface of the furnace door, and a hand wheel deviating from the end part of the hinged seat, in threaded fit with the swing bolt and abutted against the limiting block. The utility model realizes the sealing of the furnace door and the furnace body in place and the opening and the closing of the furnace door are convenient.

Description

High-temperature sealing device of U-shaped furnace structure

Technical Field

The utility model belongs to the technical field of LOCA tests, and particularly relates to a high-temperature sealing device with a U-shaped furnace structure.

Background

The high-temperature test vacuum furnace is conventional test equipment for simulating working conditions for a sample piece, multiple scene environments such as high temperature, high pressure and the like are required in the vacuum furnace, the test sample piece is convenient to replace, the furnace door and the furnace body are required to be connected and opened and closed conveniently, and meanwhile, the sealing safety is met. The prior patent No. CN201910137767.1 discloses a sealing door structure of a vacuum furnace, which comprises a cylindrical furnace body and a disc-shaped furnace door, wherein a circular convex ring is formed at the inlet of the furnace body; a circular cavity groove is formed in the end face of the inner side of the furnace door, a circular sealing plate is inserted into the cavity groove, a lead screw is formed on the end face of the other side of the sealing plate, the lead screw is connected to the furnace door in a threaded mode, and a hand wheel is fixed to the end face, exposed out of the furnace door, of the other end of the lead screw. The hand wheel is arranged in the middle of the existing furnace door structure, when the furnace door structure is used, the furnace door can be rotated around the pin shaft, the furnace door is rotated when the furnace door is closed, the clamping piece is inserted into the clamping piece, then the hand wheel is rotated, the convex ring on the sealing plate pressing sealing furnace body is realized, sealing is realized, the furnace door can be suitable for a rotary furnace door aiming at the circular furnace door, however, the opening mode of the furnace door needs to be changed for the special-shaped furnace body, and the traditional rotary sealing cannot be applied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provides a high-temperature sealing device with a U-shaped furnace structure, so that the furnace door and a furnace body are sealed in place, and the furnace door is convenient to open and close. In order to achieve the purpose, the technical scheme of the utility model is as follows:

u type furnace structure high temperature sealing device, including the furnace body, locate the furnace body flange of furnace body open end, with the furnace gate of the side swivelling joint of furnace body flange, its characterized in that: the furnace body flange is circumferentially provided with a plurality of hinged seats, movable joint bolts which are rotatably arranged are installed in the hinged seats, limit blocks which abut against the end face of the furnace door are sleeved on the movable joint bolts, and hand wheels which are matched with the movable joint bolts in a threaded mode and abut against the limit blocks are arranged at the end parts, deviating from the hinged seats, of the movable joint bolts.

Specifically, the furnace body is of a U-shaped front opening vertical structure.

Specifically, the furnace body and the furnace door are both of double-layer hollow structures.

Specifically, the furnace body flange is connected with the furnace door through a hinge.

Specifically, the circumference embedding sealing washer of furnace gate, the sealed furnace body flange setting of laminating of sealing washer.

Specifically, a pin shaft penetrates through the hinge seat, and the swing bolt is detachably connected and fixed with the pin shaft.

Specifically, the limiting block comprises a first connecting block sleeved on the swing bolt and a second connecting block arranged on the side edge of the first connecting block and forming a step structure with the first connecting block, and the step structure formed by the first connecting block and the second connecting block is abutted against the corner position of the furnace door.

Compared with the prior art, the U-shaped furnace structure high-temperature sealing device has the beneficial effects that:

the furnace body is provided with a furnace body flange, so that the furnace door can be rotationally opened and closed and is connected to the furnace body flange, the side edge of the furnace body flange is provided with an eyelet bolt matched with a limiting block, the sealing position on the furnace door is selected, the limiting block is abutted against the furnace door by rotating the eyelet bolt when the furnace door is closed, and the limiting block is pressed on the furnace door by rotating a hand wheel, so that the multipoint position sealing of the furnace door is realized; the furnace door is convenient to open and close, is suitable for a furnace body structure with a U-shaped structure, and can be used for conveniently taking a sample piece after the furnace door is opened; the high-temperature sealing device with the U-shaped furnace structure improves the safety of the sealed furnace body, is simple in mounting structure and is easy to realize manual operation.

Drawings

FIG. 1 is a schematic top view of a furnace body according to an embodiment of the present invention;

FIG. 2 is a partially enlarged view of the hand wheel of the present embodiment;

the figures in the drawings represent:

the furnace comprises a furnace body 1, a furnace body 11 flange, a furnace door 2, a sealing ring 21, a hinge seat 3, an eyelet bolt 31, a pin shaft 32, a limiting block 4, a hand wheel 41, a first connecting block 42 and a second connecting block 43.

Detailed Description

The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

Example (b):

referring to fig. 1-2, the high-temperature sealing device of the U-shaped furnace structure in the present embodiment includes a furnace body 1, a furnace body flange 11 disposed at an opening end of the furnace body 1, a furnace door 2 rotatably connected to a side edge of the furnace body flange 11, a plurality of hinge seats 3 disposed on a circumference of the furnace body flange 11, a swing bolt 31 rotatably disposed in the hinge seat 3, a limit block 4 sleeved on the swing bolt 31 and abutting against an end surface of the furnace door 2, and a hand wheel 41 departing from an end of the hinge seat 3, in threaded engagement with the swing bolt 31 and abutting against the limit block 4. The traditional furnace door adopts a rotary opening and closing mode, and is sealed through furnace door rotation, and the rotary sealing mode of the furnace door is not applicable due to the structural particularity of the furnace body 1 in the embodiment, so that the furnace door and the furnace body 1 are sealed through a structure that a plurality of hinge seats 3 are matched with swing bolts 31 in the embodiment.

In the embodiment, the furnace body 1 is of a U-shaped front opening vertical structure, the furnace body 1 and the furnace door 2 are both of double-layer hollow structures, and water is introduced into the hollow structures for cooling, so that the furnace body is suitable for high-temperature test in the furnace body 1. The inner diameter of the furnace body 1 is phi 500mm, and the wall thickness of the inner layer is 8 mm; the outer diameter is 560mm, and the wall thickness of the outer layer is 6 mm; the inner surface of the steel wire is precisely polished, and the outer surface of the steel wire is drawn. The furnace body 1 is adjusted according to the internal space arrangement and is designed into a front opening structure, so that the internal test sample piece taking and placing are facilitated.

The furnace body flange 11 is connected with the furnace door 2 through a hinge (not shown in the figure), the hinge is arranged on one side of the furnace body flange 11, and according to the actual application requirement, the hinge can be arranged on the left side, the right side or the lower side of the opening end of the furnace body 1, so that the furnace door 2 can be conveniently rotated to open and close.

The circumferential direction of the furnace door 2 is embedded with a sealing ring 21, and the sealing ring 21 is arranged in a sealing and jointing way with the furnace body flange 11. So that the furnace door 2 can be sealed in place by the sealing ring 21 when being closed with the furnace body 1.

In this embodiment, four hinge seats 3 are provided and respectively disposed on four sides of the furnace body flange 11, a pin shaft 32 penetrates through the hinge seats 3, and the eyelet bolts 31 are detachably connected and fixed with the pin shaft 32. The swing bolt 31 is free to rotate about the pin.

The limiting block 4 comprises a first connecting block 42 sleeved on the swing bolt 31 and a second connecting block 43 arranged on the side edge of the first connecting block 42 and forming a step structure with the first connecting block, the step structure formed by the first connecting block 42 and the second connecting block 43 is abutted against the corner position of the furnace door 2, and when the hand wheel 41 rotates, the limiting block 4 is pushed to be close to the furnace door 2 until the furnace door 2 and the furnace body flange 11 are completely sealed. The limiting block 4 is arranged in a copying pressing mode according to the corner position of the furnace door 2, and when the hand wheel 41 pushes the limiting block 4, the limiting block 4 is tightly pressed on the furnace door 2.

When the embodiment is applied, the furnace body 1 is provided with the furnace body flange 11, so that the furnace door 2 can be rotatably opened and closed and connected to the furnace body flange 11, the side edge of the furnace body flange 11 is provided with the swing bolt 31 to be matched with the limit block 4, the sealing position on the furnace door 2 is selected, the multipoint limit block 4 is arranged, when the furnace door 2 is closed, the swing bolt 31 is rotated to enable the limit block 4 to be abutted against the furnace door 2, and the limit block 4 is pressed against the furnace door 2 by rotating the hand wheel 41, so that the multipoint position sealing of the furnace door 2 is realized; the furnace door 2 is convenient to open and close, is suitable for a furnace body structure with a U-shaped structure, and the sample piece 5 can be conveniently taken after the furnace door 2 is opened; the high-temperature sealing device with the U-shaped furnace structure improves the safety of the sealed furnace body, is simple in mounting structure and is easy to realize manual operation.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

U type furnace structure high temperature sealing device, including the furnace body, locate the furnace body flange of furnace body open end, with the furnace gate of the side swivelling joint of furnace body flange, its characterized in that: the furnace body flange is circumferentially provided with a plurality of hinged seats, movable joint bolts which are rotatably arranged are installed in the hinged seats, limit blocks which abut against the end face of the furnace door are sleeved on the movable joint bolts, and hand wheels which are matched with the movable joint bolts in a threaded mode and abut against the limit blocks are arranged at the end parts, deviating from the hinged seats, of the movable joint bolts.
2. The U-shaped furnace structure high temperature sealing device of claim 1, wherein: the furnace body is of a U-shaped front opening door vertical structure.
3. The U-shaped furnace structure high temperature sealing device of claim 1, wherein: the furnace body and the furnace door are both of double-layer hollow structures.
4. The U-shaped furnace structure high temperature sealing device of claim 1, wherein: the furnace body flange is connected with the furnace door through a hinge.
5. The U-shaped furnace structure high temperature sealing device of claim 1, wherein: the circumference embedding sealing washer of furnace gate, the sealed furnace body flange setting of laminating of sealing washer.
6. The U-shaped furnace structure high temperature sealing device of claim 1, wherein: a pin shaft penetrates through the hinged base, and the eyelet bolt is detachably connected and fixed with the pin shaft.
7. The U-shaped furnace structure high temperature sealing device of claim 1, wherein: the limiting block comprises a first connecting block sleeved on the swing bolt and a second connecting block arranged on the side edge of the first connecting block and forming a step structure with the first connecting block, and the step structure formed by the first connecting block and the second connecting block is abutted against the corner position of the furnace door.