CN208720820U - A kind of intermediate frequency furnace bell locking device - Google Patents
A kind of intermediate frequency furnace bell locking device Download PDFInfo
- Publication number
- CN208720820U CN208720820U CN201821289633.9U CN201821289633U CN208720820U CN 208720820 U CN208720820 U CN 208720820U CN 201821289633 U CN201821289633 U CN 201821289633U CN 208720820 U CN208720820 U CN 208720820U
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- China
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- clamp plate
- bell
- pressure ring
- eyelet bolt
- locking device
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Abstract
The utility model discloses a kind of intermediate frequency furnace bell locking devices, including bell, eyelet bolt, eyelet bolt hole, pressure cap and helical spring, the bell is located above furnace box body, and the side of bell is connected with upper clamp plate, the eyelet bolt and upper clamp plate are connected with each other, the pressure cap is located above eyelet bolt, and the first pressure ring and the second pressure ring are installed below pressure cap, the helical spring is between the first pressure ring and the second pressure ring, and the second pressure ring and upper clamp plate are connected with each other, the eyelet bolt hole is connected with each other by pin shaft and lower clamp plate, and lower clamp plate and furnace box body are connected with each other, and upper clamp plate and lower clamp plate are provided with groove.The intermediate frequency furnace bell locking device, by changing traditional bell locking mode, using Novel furnace cover locking device, bell and furnace box body are subjected to lock sealing, to be sealed to hydrogen in furnace and the safety of equipment is protected, while improving work efficiency and the quality of production.
Description
Technical field
The utility model relates to intermediate frequency furnace technical field, specially a kind of intermediate frequency furnace bell locking device.
Background technique
Intermediate frequency furnace is a kind of power supply device that power frequency 50HZ alternating current is changed into intermediate frequency (300HZ is up to 1000HZ),
Three-phase main-frequency alternating current, become direct current after rectification, then direct current become adjustable electric current of intermediate frequency, supply by capacitor and
The intermediate frequency alternating current flowed through in induction coil, generates the highdensity magnetic line of force in induction coil, and cuts and hold in induction coil
Metal material, very big vortex is generated in metal material, heats metal, and Median frequency sintering stove using electromagnetic induction principle
There is the advantages that low energy consumption, high-efficient, therefore is widely used in every profession and trade.
It is common to leading to hydrogen in intermediate frequency furnace furnace in tungsten field of deep, it is higher to the sealing and security requirement of equipment, but
It is traditional bell locking mode to directly adopt fixing bolt locking, the safety of hydrogen seal in furnace and equipment cannot get
It ensures, while influencing working efficiency and the quality of production.In view of the above-mentioned problems, being badly in need of the base in original intermediate frequency furnace bell locking device
Innovative design is carried out on plinth.
Utility model content
The purpose of this utility model is to provide a kind of intermediate frequency furnace bell locking devices, to solve to mention in above-mentioned background technique
Traditional bell locking mode is to directly adopt fixing bolt locking out, be cannot get to the safety of hydrogen seal in furnace and equipment
It ensures, while influencing working efficiency and product quality problems.
To achieve the above object, the utility model provides the following technical solutions: a kind of intermediate frequency furnace bell locking device, including
Bell, eyelet bolt, eyelet bolt hole, pressure cap and helical spring, the bell are located above furnace box body, and the side of bell connects
It is connected to upper clamp plate, the eyelet bolt and upper clamp plate are connected with each other, and eyelet bolt passes through upper clamp plate, and the pressure cap is located at movable joint
Above bolt, and the first pressure ring and the second pressure ring are installed below pressure cap, the helical spring is located at the first pressure ring and the second pressure
Between ring, and the both ends of helical spring are connected with each other with the first pressure ring and the second pressure ring respectively, and the second pressure ring and upper clamp plate
It being connected with each other, the eyelet bolt hole is connected with each other by pin shaft and lower clamp plate, and lower clamp plate and furnace box body are connected with each other, and
Upper clamp plate and lower clamp plate are provided with groove.
Preferably, 11 bell locking devices are uniformly distributed on the bell and furnace box body.
Preferably, the upper clamp plate, eyelet bolt, eyelet bolt hole, pressure cap, the first pressure ring, helical spring, the second pressure
Ring, lower clamp plate and pin shaft form bell locking device.
Preferably, the eyelet bolt front end band M27 external screw thread.
Preferably, the inner wall of the pressure cap is provided with M27 internal screw thread and rotational positioning hole.
Preferably, the groove of the upper clamp plate and the groove of lower clamp plate are equal in magnitude, and width is equal to the straight of eyelet bolt
Diameter.
Compared with prior art, the utility model has the beneficial effects that the intermediate frequency furnace bell locking device, is passed by changing
The bell locking mode of system, using by upper clamp plate, eyelet bolt, eyelet bolt hole, pressure cap, the first pressure ring, helical spring, second
Pressure ring, lower clamp plate and pin shaft form bell locking device, and bell and furnace box body are carried out lock sealing, thus to hydrogen in furnace into
The row sealing and safety of equipment is protected, while improving work efficiency and the quality of production.
Detailed description of the invention
Fig. 1 is the utility model overlooking structure diagram；
Fig. 2 is the utility model locking device side structure schematic diagram；
Fig. 3 is the enlarged structure schematic diagram of upper clamp plate in the utility model Fig. 1.
In figure: 1, bell；2, furnace box body；3, upper clamp plate；4, eyelet bolt；5, eyelet bolt hole；6, pressure cap；7, the first pressure
Ring；8, helical spring；9, the second pressure ring；10, lower clamp plate；11, pin shaft；12, groove；100, M27 internal screw thread；101, rotational positioning
Hole；102, M27 external screw thread.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of intermediate frequency furnace bell locking device, including furnace
Lid 1, furnace box body 2, upper clamp plate 3, eyelet bolt 4, eyelet bolt hole 5, pressure cap 6, the first pressure ring 7, helical spring 8, the second pressure ring
9, lower clamp plate 10, pin shaft 11 and groove 12, bell 1 is located at 2 top of furnace box body, and the side of bell 1 is connected with upper clamp plate 3, living
It saves bolt 4 and upper clamp plate 3 is connected with each other, and eyelet bolt 4 passes through upper clamp plate 3, pressure cap 6 is located at 4 top of eyelet bolt, and pressure cap
6 lower sections are equipped with the first pressure ring 7 and the second pressure ring 9, and helical spring 8 is between the first pressure ring 7 and the second pressure ring 9, and spiral
The both ends of spring 8 are connected with each other with the first pressure ring 7 and the second pressure ring 9 respectively, and the second pressure ring 9 is connected with each other with upper clamp plate 3,
Eyelet bolt hole 5 is connected with each other by pin shaft 11 and lower clamp plate 10, and lower clamp plate 10 and furnace box body 2 are connected with each other, and upper folder
Plate 3 and lower clamp plate 10 are provided with groove 12；
Further, 11 bell locking devices are uniformly distributed on bell 1 and furnace box body 2；Facilitate bell 1 and furnace box body 2
Carry out lock sealing
Further, upper clamp plate 3, eyelet bolt 4, eyelet bolt hole 5, pressure cap 6, the first pressure ring 7, helical spring 8, second
Pressure ring 9, lower clamp plate 10 and pin shaft 11 form bell locking device, and structural integrity is reasonable；
Further, 4 front end of eyelet bolt band M27 external screw thread 102, it is convenient to be tightened with pressure cap 6；
Further, the inner wall of pressure cap 6 is provided with M27 internal screw thread 100 and rotational positioning hole 101, convenient and eyelet bolt 4
It tightens；
Further, the groove 12 of upper clamp plate 3 and the groove 12 of lower clamp plate 10 are equal in magnitude, and width is equal to eyelet bolt
4 diameter facilitates installation eyelet bolt 4, and ensures that eyelet bolt 4 does not shake easily.
Working principle: when intermediate frequency furnace works, bell 1 is covered on furnace box body 2, and make upper clamp plate 3 and the furnace box on bell 1
The position of lower clamp plate 10 on body 2 is mutually aligned, since eyelet bolt hole 5 is fixed on lower clamp plate 10 by pin shaft 11, so
At the groove 12 of 4 righting of eyelet bolt to upper clamp plate 3, since pressure cap 6 is located at 4 top of eyelet bolt, and installed below pressure cap 6
There are the first pressure ring 7 and the second pressure ring 9, helical spring 8 is between the first pressure ring 7 and the second pressure ring 9, and the two of helical spring 8
End is connected with each other with the first pressure ring 7 and the second pressure ring 9 respectively, so passing through after saying that the second pressure ring 9 is helped and is placed on upper clamp plate 3
It is revolved with the M27 internal screw thread 100 and rotational positioning hole 101 being arranged on M27 external screw thread 102 and pressure cap 64 front end of eyelet bolt
Turn, the helical spring 8 between the first pressure ring 7 and the second pressure ring 9 finally makes upper clamp plate 3 under because stress starts zooming out
Clamping plate 10 is fixed to each other, and carries out lock sealing to bell 1 and furnace box body 2 to realize.
Finally it should be noted that the above content is only to illustrate the technical solution of the utility model, rather than it is practical to this
The limitation of novel protected range, those skilled in the art to the technical solution of the utility model carry out it is simple modification or
Person's equivalent replacement, all without departing from the spirit and scope of technical solutions of the utility model.
Claims (6)
1. a kind of intermediate frequency furnace bell locking device, including bell (1), eyelet bolt (4), eyelet bolt hole (5), pressure cap (6) and
Helical spring (8), it is characterised in that: the bell (1) is located above furnace box body (2), and the side of bell (1) is connected with folder
Plate (3), the eyelet bolt (4) and upper clamp plate (3) are connected with each other, and eyelet bolt (4) passes through upper clamp plate (3), the pressure cap
(6) it is located above eyelet bolt (4), and the first pressure ring (7) and the second pressure ring (9), the spiral bullet is installed below pressure cap (6)
Spring (8) between the first pressure ring (7) and the second pressure ring (9), and the both ends of helical spring (8) respectively with the first pressure ring (7) and
Second pressure ring (9) is connected with each other, and the second pressure ring (9) and upper clamp plate (3) are connected with each other, and the eyelet bolt hole (5) passes through
Pin shaft (11) and lower clamp plate (10) are connected with each other, and lower clamp plate (10) and furnace box body (2) are connected with each other, and upper clamp plate (3) with
Lower clamp plate (10) is provided with groove (12).
2. a kind of intermediate frequency furnace bell locking device according to claim 1, it is characterised in that: the bell (1) and furnace box
11 bell locking devices are uniformly distributed on body (2).
3. a kind of intermediate frequency furnace bell locking device according to claim 1, it is characterised in that: the upper clamp plate (3), movable joint
Bolt (4), eyelet bolt hole (5), pressure cap (6), the first pressure ring (7), helical spring (8), the second pressure ring (9), lower clamp plate (10)
Bell locking device is formed with pin shaft (11).
4. a kind of intermediate frequency furnace bell locking device according to claim 1, it is characterised in that: before the eyelet bolt (4)
End band M27 external screw thread (102).
5. a kind of intermediate frequency furnace bell locking device according to claim 1, it is characterised in that: the inner wall of the pressure cap (6)
It is provided with M27 internal screw thread (100) and rotational positioning hole (101).
6. a kind of intermediate frequency furnace bell locking device according to claim 1, it is characterised in that: the upper clamp plate (3) it is recessed
Slot (12) and the groove (12) of lower clamp plate (10) are equal in magnitude, and width is equal to the diameter of eyelet bolt (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289633.9U CN208720820U (en) | 2018-08-10 | 2018-08-10 | A kind of intermediate frequency furnace bell locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289633.9U CN208720820U (en) | 2018-08-10 | 2018-08-10 | A kind of intermediate frequency furnace bell locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208720820U true CN208720820U (en) | 2019-04-09 |
Family
ID=65977123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821289633.9U Active CN208720820U (en) | 2018-08-10 | 2018-08-10 | A kind of intermediate frequency furnace bell locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208720820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110536496A (en) * | 2019-07-26 | 2019-12-03 | 株洲诺天电热科技有限公司 | A kind of electromagnetic induction heating device liner encapsulating method and device |
-
2018
- 2018-08-10 CN CN201821289633.9U patent/CN208720820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110536496A (en) * | 2019-07-26 | 2019-12-03 | 株洲诺天电热科技有限公司 | A kind of electromagnetic induction heating device liner encapsulating method and device |
| CN110536496B (en) * | 2019-07-26 | 2022-04-05 | 株洲诺天电热科技有限公司 | Method and device for sealing inner container of electromagnetic induction heating equipment |
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