CN103629921A - Door of muffle furnace - Google Patents
Door of muffle furnace Download PDFInfo
- Publication number
- CN103629921A CN103629921A CN201310538790.4A CN201310538790A CN103629921A CN 103629921 A CN103629921 A CN 103629921A CN 201310538790 A CN201310538790 A CN 201310538790A CN 103629921 A CN103629921 A CN 103629921A
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- rotating
- connecting rod
- door
- hole
- fixed block
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Abstract
The invention discloses a door of a muffle furnace. The door comprises a portal, two rotating mechanisms of the same structure and a door sheet, wherein the door sheet is fixedly arranged on the outer contour of the portal and the two rotating mechanisms are respectively connected with the upper surface and the lower surface of the portal. The portal comprises two cross rods and two rotating rods, the two rotating rods are vertically arranged, the two cross rods are connected with the two end portions of the two rotating rods respectively, and rotating shafts are arranged on the two end portions of the two rotating rods and protrude out of the cross rods. Each rotating mechanism comprises a fixed block, a connection rod and a movable block, each fixed block is composed of a vertical surface and a horizontal surface perpendicular to the vertical surface, fixing holes are formed in the two ends of each vertical surface, a first rotating hole and a first connection rod installation hole are formed in the two ends of each horizontal surface respectively, connection rod hinge pins are respectively arranged at the two ends of each connection rod, and a second rotating hole and a second connection rod installation hole are formed in the two ends of the plane of each movable block respectively. According to the door, hot gas can be prevented from diffusing to the door, samples can not be hit, use is convenient and the structure is simple.
Description
Technical field
The present invention relates to a kind of fire door, especially relate to a kind of fire door of Muffle furnace.
Background technology
On the furnace wall of Muffle furnace, fire door is housed, for taking out and put into sample.Current fire door mainly contains two kinds of door-opening modes: a kind of mode is the upper edge that rotating shaft is arranged on doorframe, and fire door is opened upward around rotating shaft, if having thing to pound or encounter fire door, fire door falls down and easily scalds operating personnel, also easily smashes sample; Another kind of mode is the lower edge that rotating shaft is arranged on doorframe, and fire door is opened down around rotating shaft, and after finishing experiment, the temperature above fire door is very high, and after fire door is opened down, hot gas is up loose, and hot gas blows to more heating on fire door, easily scalds operating personnel.
Summary of the invention
The fire door that the object of this invention is to provide a kind of Muffle furnace, this device can effectively prevent that fire door from scalding operating personnel, can prevent that fire door from pounding sample simultaneously.
The present invention is achieved by the following technical programs:
A fire door for Muffle furnace, comprises door frame, the identical rotating mechanism of two nested structures, door-plate, door-plate is fixedly installed on the outline of door frame, and two cover rotating mechanisms are connected with the above and below of door frame respectively, door frame comprises two cross bars, two swingles, and two swingles are vertically placed, and two cross bars connect respectively the end, two ends of swingle, and two cross bars, two swingles form a quadrangle, and the end, two ends of two swingles all outstanding cross bar is provided with rotating shaft, rotating mechanism comprises fixed block, connecting rod, movable block, the cross section of fixed block is " L " type, by vertical plane with horizontal plane is perpendicular forms, the two ends of vertical plane are respectively provided with a fixing hole, the two ends of horizontal plane are respectively equipped with rotating hole one, connecting rod installing hole one, fixed block is fixedly connected with the furnace wall of Muffle furnace by the fixing hole on it, the two ends of connecting rod are respectively provided with a pitman pin, plane two ends at movable block are respectively equipped with rotating hole two, connecting rod installing hole two, the pitman pin at connecting rod two ends respectively with the connecting rod installing hole one of fixed block, the connecting rod installing hole two of movable block is flexibly connected, the two ends rotating shaft of a swingle is flexibly connected with the rotating hole one on the fixed block of two cover rotating mechanisms respectively, and the two ends rotating shaft of another root swingle is flexibly connected with the rotating hole two on the movable block of two cover rotating mechanisms respectively.
The present invention further realizes by the following technical programs:
The fire door of aforesaid a kind of Muffle furnace, the equal diameters of rotating hole one, connecting rod installing hole one, rotating hole two, connecting rod installing hole two.
The fire door of aforesaid a kind of Muffle furnace, two cross bars of the size of door-plate and door frame, two tetragonal equal and opposite in directions that swingle forms.
The fire door of aforesaid a kind of Muffle furnace, the length of connecting rod equates with the distance between two swingles.
The fire door of aforesaid a kind of Muffle furnace, the rotating hole one on fixed block equates with the distance between connecting rod installing hole two with distance and the rotating hole on movable block two between connecting rod installing hole one.
The present invention can realize fire door and moves to the left or to the right by being arranged on the rotating mechanism of the upper and lower both sides of door-plate, and this move mode can prevent that hot gas from faling apart to fire door, can not pound sample, easy to use, simple in structure.
Advantage and disadvantage of the present invention, the non-limitative illustration by preferred embodiment below is for illustration and explanation, and these embodiment, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is stereogram 1 of the present invention;
Fig. 2 is stereogram 2 of the present invention;
Fig. 3 is movable block stereogram of the present invention;
Fig. 4 is fixed block stereogram of the present invention;
Fig. 5 is that the present invention is arranged on the state diagram on Muffle furnace.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the present invention includes door frame 1, the identical rotating mechanism 8 of two nested structures, door-plate 5, as shown in Figure 2, door-plate 5 is fixedly installed on the outline of door frame 1, and two cover rotating mechanisms 8 are connected with the above and below of door frame 1 respectively, door frame 1 comprises two cross bars 11, two swingles 12, two swingles 12 are vertically placed, two cross bars 11 connect respectively the end, two ends of swingle 12, two cross bars 11, two swingles 12 form a quadrangle, and the end, two ends of two swingles 12 all outstanding cross bar 11 is provided with rotating shaft 121, rotating mechanism 8 comprises fixed block 2, connecting rod 3, movable block 4, as shown in Figure 4, the cross section of fixed block 2 is " L " type, by vertical plane 21 with horizontal plane 22 is perpendicular forms, the two ends of vertical plane 21 are respectively provided with a fixing hole 211, the two ends of horizontal plane 22 are respectively equipped with rotating hole 1, connecting rod installing hole 1, fixed block 2 is fixedly connected with the furnace wall 61 of Muffle furnace 6 by the fixing hole 211 on it, the two ends of connecting rod 3 are respectively provided with a pitman pin 31, as shown in Figure 3, plane two ends at movable block 4 are respectively equipped with rotating hole 2 41, connecting rod installing hole 2 42, the pitman pin 31 at connecting rod 3 two ends respectively with the connecting rod installing hole 1 of fixed block 2, the connecting rod installing hole 2 42 of movable block 4 is flexibly connected, the two ends rotating shaft 121 of a swingle 12 is flexibly connected with the rotating hole 1 on the fixed block 2 of two cover rotating mechanisms 8 respectively, the two ends rotating shaft 121 of another root swingle 12 is flexibly connected with the rotating hole 2 41 on the movable block 4 of two cover rotating mechanisms 8 respectively, rotating hole 1, connecting rod installing hole 1, rotating hole 2 41, the equal diameters of connecting rod installing hole 2 42, two cross bars 11 of the size of door-plate 5 and door frame 1, two tetragonal equal and opposite in directions that swingle 12 forms, the length of connecting rod 3 equates with the distance between two swingles 12, rotating hole 1 on fixed block 2 equates with the distance between connecting rod installing hole 2 42 with distance and the rotating hole 2 41 on movable block 4 between connecting rod installing hole 1.
As shown in Figure 5, pull fire door 7, rotation in the connecting rod installing hole 1 of the pitman pin 31 of connecting rod 3 one end in fixed block 2, the other end of connecting rod 3 drives movable block 4 to rotate by pitman pin 31, movable block 4 drives door frame 1 to rotate by rotating hole 2 41, door frame 1 rotates around rotating shaft 121, and rotating shaft 121 rotates in the rotating hole 1 of fixed block 2, until connecting rod 3 is encountered furnace wall 61, stops operating.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (5)
1. a fire door for Muffle furnace, is characterized in that: comprise door frame, the identical rotating mechanism of two nested structures, door-plate, described door-plate is fixedly installed on the outline of door frame, and two cover rotating mechanisms are connected with the above and below of door frame respectively, described door frame comprises two cross bars, two swingles, described two swingles are vertically placed, two cross bars connect respectively the end, two ends of swingle, and described two cross bars, two swingles form a quadrangle, and the end, two ends of described two swingles all outstanding cross bar is provided with rotating shaft, described rotating mechanism comprises fixed block, connecting rod, movable block, the cross section of described fixed block is " L " type, by vertical plane with horizontal plane is perpendicular forms, the two ends of described vertical plane are respectively provided with a fixing hole, the two ends of described horizontal plane are respectively equipped with rotating hole one, connecting rod installing hole one, described fixed block is fixedly connected with the furnace wall of described Muffle furnace by the fixing hole on it, the two ends of described connecting rod are respectively provided with a pitman pin, plane two ends at described movable block are respectively equipped with rotating hole two, connecting rod installing hole two, the pitman pin at described connecting rod two ends respectively with the connecting rod installing hole one of fixed block, the connecting rod installing hole two of movable block is flexibly connected, the two ends rotating shaft of a described swingle is flexibly connected with the rotating hole one on the fixed block of two cover rotating mechanisms respectively, and the two ends rotating shaft of described another root swingle is flexibly connected with the rotating hole two on the movable block of two cover rotating mechanisms respectively.
2. the fire door of a kind of Muffle furnace as claimed in claim 1, is characterized in that: the equal diameters of described rotating hole one, connecting rod installing hole one, rotating hole two, connecting rod installing hole two.
3. the fire door of a kind of Muffle furnace as claimed in claim 1, is characterized in that: two cross bars of the size of described door-plate and described door frame, two tetragonal equal and opposite in directions that swingle forms.
4. the fire door of a kind of Muffle furnace as claimed in claim 1, is characterized in that: the length of described connecting rod equates with the distance between described two swingles.
5. the fire door of a kind of Muffle furnace as claimed in claim 1, is characterized in that: the rotating hole one on described fixed block equates with the distance between connecting rod installing hole two with distance and the rotating hole on movable block two between connecting rod installing hole one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538790.4A CN103629921B (en) | 2013-11-05 | 2013-11-05 | A kind of fire door of Muffle furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538790.4A CN103629921B (en) | 2013-11-05 | 2013-11-05 | A kind of fire door of Muffle furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103629921A true CN103629921A (en) | 2014-03-12 |
| CN103629921B CN103629921B (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310538790.4A Active CN103629921B (en) | 2013-11-05 | 2013-11-05 | A kind of fire door of Muffle furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103629921B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1128769A (en) * | 1966-04-21 | 1968-10-02 | Alco Standard Corp | Heat treatment furnace |
| CN2872248Y (en) * | 2005-09-04 | 2007-02-21 | 安海力 | Shutting sealed sucker of muffle furnace |
| CN2898745Y (en) * | 2005-09-04 | 2007-05-09 | 安海力 | Muffle-furnace door |
| CN202133264U (en) * | 2011-06-17 | 2012-02-01 | 广东宇星锑业有限公司 | Muffle |
| CN202907249U (en) * | 2012-11-22 | 2013-04-24 | 浙江工贸职业技术学院 | Industrial microwave oven door preventing microwave leakage |
| CN203586757U (en) * | 2013-11-05 | 2014-05-07 | 江苏丰泰仪器有限公司 | Door of muffle furnace |
-
2013
- 2013-11-05 CN CN201310538790.4A patent/CN103629921B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1128769A (en) * | 1966-04-21 | 1968-10-02 | Alco Standard Corp | Heat treatment furnace |
| CN2872248Y (en) * | 2005-09-04 | 2007-02-21 | 安海力 | Shutting sealed sucker of muffle furnace |
| CN2898745Y (en) * | 2005-09-04 | 2007-05-09 | 安海力 | Muffle-furnace door |
| CN202133264U (en) * | 2011-06-17 | 2012-02-01 | 广东宇星锑业有限公司 | Muffle |
| CN202907249U (en) * | 2012-11-22 | 2013-04-24 | 浙江工贸职业技术学院 | Industrial microwave oven door preventing microwave leakage |
| CN203586757U (en) * | 2013-11-05 | 2014-05-07 | 江苏丰泰仪器有限公司 | Door of muffle furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103629921B (en) | 2015-08-19 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140312 Assignee: ZHENJIANG FENGTAI TEST & SAMPLE PREPARATION EQUIPMENT CO.,LTD. Assignor: JIANGSU FENGTAI INSTRUMENT Co.,Ltd. Contract record no.: X2023320010016 Denomination of invention: The door of a muffle furnace Granted publication date: 20150819 License type: Common License Record date: 20230128 |
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| EE01 | Entry into force of recordation of patent licensing contract |