CN206638027U - A kind of boron nitride graphite composite crucible - Google Patents
A kind of boron nitride graphite composite crucible Download PDFInfo
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- CN206638027U CN206638027U CN201720394048.4U CN201720394048U CN206638027U CN 206638027 U CN206638027 U CN 206638027U CN 201720394048 U CN201720394048 U CN 201720394048U CN 206638027 U CN206638027 U CN 206638027U
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- crucible
- tube
- lengthening
- boron nitride
- fixed plate
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Abstract
The utility model discloses a kind of boron nitride graphite composite crucible, the Crucible body of opening and top and bottom are set to be respectively provided with the lengthening crucible tube of opening including top, the top surrounding of the Crucible body is equidistantly welded with fixed plate, and opened up at the top of fixed plate fluted, the top of the Crucible body, which is provided with, lengthens crucible tube, and it is in contact at the top of the bottom of lengthening crucible tube and Crucible body, the bottom surrounding for lengthening crucible tube offers the square type groove that position matches with fixed plate, the round chamber that position matches with fixed plate is offered on the lengthening crucible tube.The utility model is economical and practical, lengthening crucible tube can be dismantled in Crucible body, lengthening crucible tube is recycled when Crucible body is damaged, greatly reduce use cost, and lengthen and be coated with boron nitride layer on the inside of crucible tube and Crucible body so that the chemical stability of graphite composite crucible is stronger.
Description
Technical field
It the utility model is related to crucible technique field, more particularly to a kind of boron nitride graphite composite crucible.
Background technology
Boron nitride has preferable high temperature resistant, the performance of anti-thermal shock, and the stable chemical performance of boron nitride, acid and alkali resistance, salt
And organic reagent, high temperature are not moistened with materials such as most molten metals, semiconductors, not reacted.
Graphite crucible is cheap, be it is industrially prepared in conventional container, but graphite crucible chemical stability is poor, such as
Infiltrate or react with various metals under high temperature so that graphite crucible uses space smaller, and graphite crucible is with science and technology
Continue to develop, graphite crucible is utilized to boron nitride, and then boron nitride graphite composite crucible appears in the market, existing
The bottom of boron nitride graphite composite crucible is easily damaged during use, in turn results in whole graphite crucible and reports
It is useless so that use cost is big.
Utility model content
The purpose of this utility model is and a kind of boron nitride graphite proposed in order to solve shortcoming present in prior art
Composite crucible.
To achieve these goals, the utility model employs following technical scheme：
A kind of boron nitride graphite composite crucible, including top set the Crucible body of opening and top and bottom to be respectively provided with
The lengthening crucible tube of opening, the top surrounding of the Crucible body is equidistantly welded with fixed plate, and is opened up at the top of fixed plate
Fluted, the top of the Crucible body, which is provided with, lengthens crucible tube, and lengthens the bottom of crucible tube and the top phase of Crucible body
Contact, the bottom surrounding for lengthening crucible tube offer the square type groove that position matches with fixed plate, the lengthening crucible tube
On offer the round chamber that position and fixed plate match, and round chamber is located at the top of square type groove, the round chamber
Bottom interior wall on slidably connect connecting rod, and the top of connecting rod is welded with the slide plate being slidably connected with round chamber, institute
The bottom for stating connecting rod is welded with the fixture block in groove, and fixture block connects with the side walls of groove, in the connecting rod
Compression spring is arranged with, and the top of compression spring and bottom are separately fixed at the bottom of slide plate and the bottom interior wall of round chamber
On, the side that two fixed plates being oppositely arranged are located remotely from each other is provided with screw rod, the Crucible body and the inner side for lengthening crucible tube
It is coated with boron nitride layer.
Preferably, the top surrounding for lengthening crucible tube is equidistantly welded with mounting post, and the is offered in mounting post
One mounting hole.
Preferably, the fixture block offers positioning hole away from the side for lengthening crucible tube, and the bottom of fixture block and groove
Bottom interior wall is in contact, and the inside of the positioning hole is installed with one end of screw rod.
Preferably, the second mounting hole that position and screw rod match is offered in the fixed plate, and the second mounting hole
Inwall is provided with the first rack to match with screw rod, and the first rack is camber structure.
Preferably, the 3rd installation that position is slidably connected with connecting rod is offered in the bottom interior wall of the round chamber
Hole, and round chamber is connected by the 3rd mounting hole with square type groove.
Preferably, the fixed plate is located at the inside of square type groove, and fixed plate is close to the side and square type for lengthening crucible tube
The side walls connection of groove.
In the utility model, pass through round chamber, slide plate, connecting rod, pressure in a kind of boron nitride graphite composite crucible
Contracting spring and fixture block are engaged, and the groove location on fixture block and fixed plate matches, in the 3rd mounting hole side of round chamber
Connecting rod is pulled downward on wall, fixture block can be moved in the bottom interior wall of groove by connecting rod, and now compression spring is in most
Big compressive state, the first rack to match with screw rod is provided with by the second mounting hole side wall in fixed plate, and on screw rod
One end can be installed in the positioning hole on fixture block, fixture block can be fixed in the bottom interior wall of groove by screw rod, now plus
Long crucible tube may be mounted at the top of Crucible body so that profit can be circulated when Crucible body is damaged by lengthening crucible tube
With, use cost is greatly reduced, it is coated with boron nitride layer on the inside of crucible tube and Crucible body by lengthening so that stone
The chemical stability of black composite crucible is stronger, and substantially increase composite crucible uses space, and the utility model is economical and practical, adds
Long crucible tube can be dismantled in Crucible body so that profit can be circulated when Crucible body is damaged by lengthening crucible tube
With greatly reducing use cost, and lengthen and be coated with boron nitride layer on the inside of crucible tube and Crucible body so that graphite is multiple
The chemical stability for closing crucible is stronger.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of boron nitride graphite composite crucible side view；
Fig. 2 be the utility model proposes a kind of boron nitride graphite composite crucible sectional view.
In figure：1 Crucible body, 2 lengthen crucible tubes, 3 mounting posts, 4 fixed plates, 5 square type grooves, 6 round chambers, 7 connecting rods,
8 slide plates, 9 compression springs, 10 mounting blocks, 11 screw rods, 12 boron nitride layers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of boron nitride graphite composite crucible, including top set Crucible body 1 and the top of opening
The lengthening crucible tube 2 of opening is respectively provided with bottom, the lengthening inside diameter of crucible tube 2 is identical with the inside diameter of Crucible body 1, earthenware
The top surrounding of crucible main body 1 is equidistantly welded with fixed plate 4, and the top of fixed plate 4 open up it is fluted, Crucible body 1 it is upper
Side, which is provided with, lengthens crucible tube 2, and lengthens the bottom of crucible tube 2 and the top of Crucible body 1 and be in contact, and lengthens the bottom of crucible tube 2
Portion's surrounding offers the square type groove 5 that position matches with fixed plate 4, lengthens and offers position and the phase of fixed plate 4 on crucible tube 2
The round chamber 6 matched somebody with somebody, and round chamber 6 is located at the top of square type groove 5, the company of slidably connecting in the bottom interior wall of round chamber 6
Extension bar 7, and the top of connecting rod 7 is welded with the slide plate 8 being slidably connected with round chamber 6, the bottom of connecting rod 7, which is welded with, to be located at
Fixture block 10 in groove, and fixture block 10 connects with the side walls of groove, compression spring 9 is arranged with connecting rod 7, and compress bullet
The top and bottom of spring 9 are separately fixed on the bottom of slide plate 8 and the bottom interior wall of round chamber 6, and two be oppositely arranged are solid
The side that fixed board 4 is located remotely from each other is provided with screw rod 11, and Crucible body 1 is coated with boron nitride layer 12 with the inner side for lengthening crucible tube 2,
The top surrounding for lengthening crucible tube 2 is equidistantly welded with mounting post 3, and the first mounting hole is offered in mounting post 3, and fixture block 10 is remote
Positioning hole is offered from the side for lengthening crucible tube 2, and the bottom of fixture block 10 and the bottom interior wall of groove are in contact, positioning hole
Inside is installed with one end of screw rod 11, and the second mounting hole that position matches with screw rod 11, and the second peace are offered in fixed plate 4
The inwall in dress hole is provided with the first rack for matching with screw rod 11, and the first rack is camber structure, the bottom of round chamber 6
The 3rd mounting hole that position is slidably connected with connecting rod 7 is offered on inwall, and round chamber 6 passes through the 3rd mounting hole and square type
Groove 5 is connected, and fixed plate 4 is located at the inside of square type groove 5, and fixed plate 4 is close to the side and square type groove 5 for lengthening crucible tube 2
Side walls connect.
In the utility model, when lengthening crucible tube 2 is being installed in Crucible body 1, lengthen first on crucible tube 2
The side wall of square type groove 5 carries out slide downward in installing plate 4 close to the side for lengthening crucible tube 2, until lengthening crucible tube 2 and crucible master
The top of body 1 is in contact, then under the cooperation of round chamber 6, slide plate 8, connecting rod 7, compression spring 9 and fixture block 10, in circle
Connecting rod 7 is pulled downward in 3rd mounting hole side wall of die cavity room 6, connecting rod 7 drives slide plate 8 in the side wall of round chamber 6
Slide downward, slide plate 8 are compressed to compression spring 9, at the same connecting rod 7 fixture block 10 can be carried out in the side wall of groove to
Lower slider, until the bottom of fixture block 10 and the bottom interior wall of groove are in contact, now compression spring 9 is in most compressed state,
Finally the positioning hole on one end on screw rod 11 and fixture block 10 matches, and first in the mounting hole side wall of screw rod 11 and second
Rack is meshed, and screw rod 11 is rotated in the inside of the second mounting hole, until one end of screw rod 11 is caught in inside positioning hole, this
When fixture block 10 can be fixed in the bottom interior wall of groove, be each attached to until four fixture blocks 10 corresponding to bottom portion of groove inwall
On, it can be seen that it is detachable in Crucible body 1 to lengthen crucible tube 2 so that lengthen crucible tube 2 and occur in Crucible body 1
It can be recycled during damage, greatly reduce use cost, because the inner side for lengthening crucible tube 2 and Crucible body 1 is coated with
There is boron nitride layer 12 so that the chemical stability of composite crucible is stronger, and substantially increase composite crucible uses space.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of boron nitride graphite composite crucible, including top set the Crucible body of opening（1）And top and bottom are all provided with
Put the lengthening crucible tube of opening（2）, it is characterised in that the Crucible body（1）Top surrounding be equidistantly welded with fixed plate
（4）, and fixed plate（4）Top open up fluted, the Crucible body（1）Top be provided with lengthen crucible tube（2）, and lengthen
Crucible tube（2）Bottom and Crucible body（1）Top be in contact, the lengthening crucible tube（2）Bottom surrounding offer position
Put and fixed plate（4）The square type groove to match（5）, the lengthening crucible tube（2）On offer position and fixed plate（4）Match
Round chamber（6）, and round chamber（6）Positioned at square type groove（5）Top, the round chamber（6）Bottom interior wall on it is sliding
It is dynamic to be connected with connecting rod（7）, and connecting rod（7）Top be welded with and round chamber（6）The slide plate being slidably connected（8）, it is described
Connecting rod（7）Bottom be welded with the fixture block in groove（10）, and fixture block（10）Connected with the side walls of groove, it is described
Connecting rod（7）On be arranged with compression spring（9）, and compression spring（9）Top and bottom be separately fixed at slide plate（8）Bottom
With round chamber（6）Bottom interior wall on, two fixed plates being oppositely arranged（4）The side being located remotely from each other is provided with screw rod（11）,
The Crucible body（1）With lengthening crucible tube（2）Inner side be coated with boron nitride layer（12）.
A kind of 2. boron nitride graphite composite crucible according to claim 1, it is characterised in that the lengthening crucible tube（2）
Top surrounding be equidistantly welded with mounting post（3）, and mounting post（3）On offer the first mounting hole.
A kind of 3. boron nitride graphite composite crucible according to claim 1, it is characterised in that the fixture block（10）It is remote to add
Long crucible tube（2）Side offer positioning hole, and fixture block（10）Bottom and the bottom interior wall of groove be in contact, the positioning
The inside in hole is installed with screw rod（11）One end.
A kind of 4. boron nitride graphite composite crucible according to claim 1, it is characterised in that the fixed plate（4）On open
Provided with position and screw rod（11）The second mounting hole to match, and the inwall of the second mounting hole is provided with and screw rod（11）Match
The first rack, and the first rack is camber structure.
A kind of 5. boron nitride graphite composite crucible according to claim 1, it is characterised in that the round chamber（6）'s
Position and connecting rod are offered in bottom interior wall（7）The 3rd mounting hole being slidably connected, and round chamber（6）Pass through the 3rd installation
Hole and square type groove（5）It is connected.
A kind of 6. boron nitride graphite composite crucible according to claim 1, it is characterised in that the fixed plate（4）It is located at
Square type groove（5）Inside, and fixed plate（4）Close to lengthening crucible tube（2）Side and square type groove（5）Side walls connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720394048.4U CN206638027U (en) | 2017-04-15 | 2017-04-15 | A kind of boron nitride graphite composite crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720394048.4U CN206638027U (en) | 2017-04-15 | 2017-04-15 | A kind of boron nitride graphite composite crucible |
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| Publication Number | Publication Date |
|---|---|
| CN206638027U true CN206638027U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720394048.4U Active CN206638027U (en) | 2017-04-15 | 2017-04-15 | A kind of boron nitride graphite composite crucible |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530365A (en) * | 2018-11-26 | 2019-03-29 | 中国电子科技集团公司第十研究所 | Molecular beam epitaxy boron nitride crucible cleaning method |
-
2017
- 2017-04-15 CN CN201720394048.4U patent/CN206638027U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530365A (en) * | 2018-11-26 | 2019-03-29 | 中国电子科技集团公司第十研究所 | Molecular beam epitaxy boron nitride crucible cleaning method |
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