CN110548549B - Laboratory isolation operation box - Google Patents
Laboratory isolation operation box Download PDFInfo
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- CN110548549B CN110548549B CN201910780038.8A CN201910780038A CN110548549B CN 110548549 B CN110548549 B CN 110548549B CN 201910780038 A CN201910780038 A CN 201910780038A CN 110548549 B CN110548549 B CN 110548549B
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- shell
- stuffing box
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- adjusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
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- Chemical Kinetics & Catalysis (AREA)
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention provides a laboratory isolation operation box, which comprises: the device comprises a shell, an upper cover and a stuffing box, wherein when the device is used, experimental articles are placed in the shell, and experimental reaction is carried out; the first sealing plates are arranged at the upper cover and the opening end of the shell, so that the condition that objects in the shell are leaked due to a gap between the opening of the shell and the upper cover in the experimental process is reduced; the stuffing box communicated with the shell is arranged on the outer side of the shell, and reaction materials are placed in the stuffing box, so that the purpose of adding materials can be realized without opening an upper cover in the experiment process, and the condition that internal gas or substances leak in the experiment process of the shell is greatly reduced; the situation that the experiment fails due to the fact that the temperature inside the shell changes when the upper cover is lifted is reduced, and the experiment efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of laboratory isolation boxes, in particular to a laboratory isolation operation box.
Background
The laboratory is the place of carrying out the experiment promptly, in the experimentation, needs to use the isolation control box, but current isolation control box leakproofness is poor in the use to cause the inaccurate phenomenon of experimental result.
Disclosure of Invention
The invention provides an isolation operation box for a laboratory, which is used for improving the sealing effect of the isolation operation box.
A laboratory isolation kit comprising: a shell, an upper cover and a stuffing box,
the shell is used for containing experimental materials, an opening is formed in the top of the shell, the upper cover is buckled on the opening of the shell, and the upper cover is detachably connected with the shell;
a first sealing plate is arranged between the upper cover and the opening part of the shell, one surface of the first sealing plate is fixed at the inner top of the upper cover, and the other surface of the first sealing plate is embedded in the inner wall of the opening at the top of the shell;
the stuffing box is arranged on the right side of the shell, penetrates through the outer wall of the right side of the shell and is communicated with the inside of the shell.
Preferably, an inner groove is formed in the inner top of the upper cover, and the inner bottom of the inner groove is used for mounting the first sealing plate;
a fixing strip extends downwards from the circumferential edge of the upper cover, and the outer surface of the fixing strip is adjacent to the outer side surface of the shell;
the number of the fixing strips is at least four, and the fixing strips are symmetrically arranged on two opposite edges of the upper cover respectively;
a through hole is arranged at one end of the fixing strip, which is far away from the upper cover, the axial center line of the through hole is horizontally arranged, the through hole is used for penetrating through the left end and the right end of the fixing strip, the through hole is used for penetrating through the fixing rod,
one end of the fixed rod is provided with a fourth handle, and the other end of the fixed rod is provided with a cross limiting block; one end of the fixed rod, provided with the cross limiting block, faces the center direction of the shell, and one end of the fixed rod, provided with the fourth handle, faces the outer side wall direction of the shell;
and one end of the shell, which is close to the opening, is provided with a fixing and adjusting device, and the fixing and adjusting device is used for fixing the upper cover and the shell through the fixing rod.
Preferably, the number of the fixed adjusting devices is at least four, and the fixed adjusting devices are arranged corresponding to the fixed strips one by one,
the two fixed adjusting devices are in one group and are arranged between two adjacent fixed strips at intervals;
the fixing and adjusting device comprises: the rotating wheel and the adjusting plate are arranged in the box body, the box body is fixed on the outer side wall of the shell and is arranged close to the top opening end of the shell,
one side of the box body, which is close to the fixing strip, is provided with an adjusting notch, and the adjusting notch is vertically arranged;
the adjusting plate is fixed on the inner wall of the box body at one side close to the shell, one side of the adjusting plate is provided with teeth, and the other side of the adjusting plate is fixed on the inner surface of the box body;
the teeth are arranged on the circumferential outer wall of the rotating wheel and meshed with the teeth on the adjusting plate; one end of the rotating wheel close to the adjusting notch is provided with a limiting convex block, the limiting convex block extends out of the box body from the box body through the adjusting notch,
and a cross-shaped limiting groove is formed in one end, far away from the rotating wheel, of the limiting convex block.
Preferably, the box body is far away from be provided with first spout on the one side inner wall of adjusting the notch, the runner is kept away from the one end of spacing protruding piece is provided with the slide bar, the slide bar is kept away from the one end of spacing protruding piece is in reciprocating sliding in the first spout.
Preferably, one end of the stuffing box, which is far away from the shell, is provided with a feeding port, and the feeding port penetrates through the inner wall of the stuffing box;
a sealing door is arranged at the opening end of the throwing opening, the sealing door is arranged inside the stuffing box, and one surface of the sealing door is arranged close to the throwing opening; the sealing door is arranged to be of a square structure;
the sealing door is connected with the stuffing box through an adjusting rod, and the adjusting rod is arranged on one surface of the sealing door close to the inner wall of the stuffing box at intervals along the edge of the sealing door;
one end, far away from the sealing door, of the adjusting rod penetrates through the inner wall of the stuffing box and extends to the outside of the stuffing box.
Preferably, a first handle is arranged at one end of the adjusting rod, which is far away from the sealing door, a first spring is arranged between the first handle and the outer wall of the stuffing box, a plurality of threaded holes are arranged at intervals around the throwing port,
the threaded holes are used for the adjusting rods to be matched with each other and extend into the stuffing box after penetrating through the threaded holes;
the sealing door is close to the one side of putting in the mouth still is provided with the third closing plate, the third closing plate be used for sealing put in the mouth with clearance between the sealing door, just the third closing plate is used for inlaying and establishes put in the mouth.
Preferably, one surface of the sealing door close to the throwing opening is provided with a plurality of rotating grooves at intervals,
the adjusting rod is connected with one side of the sealing door and is provided with a rotating block, the rotating block is embedded in the rotating groove, and the rotating groove and the rotating block are both arranged to be of a circular notch structure.
Preferably, a second sealing plate is further arranged inside the stuffing box, a pulling plate is arranged at the top of the second sealing plate,
the pulling plate penetrates through the inner top of the stuffing box and extends out of the stuffing box;
a third handle is arranged at one end, far away from the second sealing plate, of the pulling plate, and a second spring is arranged between the third handle and the outer wall of the stuffing box;
a sealing table is further arranged between the stuffing box and the pulling plate;
a plurality of limiting jacking blocks are arranged below the second sealing plate at intervals, a plurality of limiting notches are arranged at intervals at the inner bottom of the stuffing box, and each limiting notch is used for matching each limiting jacking block.
Preferably, the left side of the shell is provided with an air inlet pipeline and an air outlet pipeline at intervals,
the air inlet pipeline and the air outlet pipeline both penetrate through the outer wall of the shell and are communicated with the interior of the shell;
valves are arranged at one ends of the air inlet pipeline and the air outlet pipeline, which are far away from the shell;
a handle is arranged at the outer top of the upper cover; and the front side wall and the rear side wall of the shell are provided with observation windows.
Preferably, the sealing station comprises: a first baffle plate and a second baffle plate,
the first baffle and the second baffle are respectively arranged on the inner wall and the outer wall of the stuffing box; the lower surface of the first baffle is fixed on the outer surface of the stuffing box, the upper surface of the second baffle is arranged on the inner wall of the stuffing box,
the first baffle and the second baffle are used for clamping an assembly gap between the stuffing box and the pulling plate;
sealing strips are arranged on one surfaces, close to the stuffing box, of the first baffle and the second baffle;
one side of the stuffing box close to the sealing door is provided with a pushing device which comprises a first connecting rod, a second connecting rod, a push rod and a containing plate,
the first connecting rod is hinged to the inner top of the stuffing box through a hinge ball, a third connecting rod is arranged at one end, away from the hinge ball, of the first connecting rod, and one end, away from the first connecting rod, of the third connecting rod is movably connected with the second connecting rod;
one end of the second connecting rod close to the third connecting rod is provided with a movable notch which is used for the third connecting rod to reciprocate along the axis of the second connecting rod,
one end of the second connecting rod, which is far away from the movable notch, is hinged with a containing plate,
a push rod is further fixed on the circumferential outer wall of the second connecting rod, the other end of the push rod extends out of the inner wall of the stuffing box far away from the shell, the push rod is connected with the inner wall of the stuffing box through a threaded hole,
the push rod is arranged above the sealing door.
Has the advantages that:
when the device is used, experimental articles are placed in the shell, and experimental reaction is carried out; the first sealing plate is arranged at the upper cover and the opening end of the shell and used for sealing a gap between the opening at the top of the shell and the upper cover, so that the condition that objects in the shell are leaked due to the gap between the opening of the shell and the upper cover in the experimental process is reduced;
meanwhile, in the experimental process, reaction materials are required to be added and released in the midway according to the experimental time and the experimental purpose, so that a stuffing box communicated with the shell is arranged on the outer side of the shell, and the reaction materials are placed in the stuffing box, so that the purpose of adding the materials can be realized without opening an upper cover in the experimental process, and the condition that the gas or the substances inside the shell leak in the experimental process is greatly reduced; the situation that the experiment fails due to the fact that the temperature inside the shell changes when the upper cover is lifted is reduced, and the experiment efficiency is effectively improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the stuffing box configuration of the present invention;
FIG. 3 is a schematic view of a coupling structure of a rotating groove and a rotating block according to the present invention;
FIG. 4 is a schematic view of the sealing station of the present invention;
FIG. 5 is a schematic structural diagram of a pushing device according to the present invention;
FIG. 6 is a schematic structural diagram of another state of the pushing device of the present invention;
FIG. 7 is a schematic diagram of a control circuit according to the present invention;
FIG. 8 is a schematic diagram of an electromagnet according to the present invention;
FIG. 9 is a schematic diagram of a control plate structure according to the present invention;
FIG. 10 is a schematic view of the fixing and adjusting device of the present invention;
FIG. 11 is a schematic view of a cross-shaped spacing groove according to the present invention;
wherein, 1-a shell, 2-an upper cover, 3-an adjusting rod, 4-a first sealing plate, 5-an air inlet pipeline, 6-an air outlet pipeline, 7-a valve, 8-an observation window, 9-a handle, 10-a third sealing plate, 11-a first handle, 12-a first spring, 13-a rotating block, 14-a rotating groove, 15-a second sealing plate, 16-a stuffing box, 17-a pulling plate, 18-a sealing platform, 19-a second spring, 20-a third handle, 21-a limiting notch, 22-a limiting top block, 23-a fixing strip, 24-a fixing rod, 25-a cross limiting block, 26-a fourth handle, 27-a rotating wheel, 28-an adjusting plate, 29-a box body, 30-an adjusting notch and 31-a limiting convex block, 32-a cross limiting groove, 33-a first sliding groove, 35-a second baffle, 36-a sliding rod, 38-a first baffle, 39-a first connecting rod, 40-a hinged ball, 41-a third connecting rod, 42-a second connecting rod, 43-a containing plate, 44-a push rod, 45-a second handle, 46-a throwing port, 47-a sealing door, 48-an electromagnet, 49-a lead, 50-a button, 51-a pressure sensor, 52-a memory, 53-a controller and 54-an electromagnetic valve.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to fig. 1, an embodiment of the present invention provides a laboratory isolation operation box, including: a housing 1, an upper cover 2 and a stuffing box 16,
the inner part of the shell 1 is used for containing experimental materials, the top of the shell 1 is provided with an opening, the upper cover 2 is buckled at the opening part of the shell 1, and the upper cover 2 is detachably connected with the shell 1;
a first sealing plate 4 is further arranged between the upper cover 2 and the opening part of the shell 1, one surface of the first sealing plate 4 is fixed on the inner top of the upper cover 2, and the other surface of the first sealing plate 4 is embedded in the inner wall of the opening at the top of the shell 1;
the stuffing box 16 is arranged at the right side of the shell 1, and the stuffing box 16 penetrates through the outer wall of the right side of the shell 1 and is communicated with the inside of the shell 1.
When the device is used, the inside of the shell 1 is used for placing experimental articles and carrying out experimental reaction; the upper cover 2 and the opening end of the shell 1 are provided with first sealing plates 4, the first sealing plates 4 are used for sealing a gap between the opening at the top of the shell 1 and the upper cover 2, and the condition that objects in the shell 1 leak due to the gap between the opening of the shell 1 and the upper cover 2 in the experimental process is reduced;
meanwhile, in the experimental process, reaction materials are required to be added and released in the midway according to the experimental time and the experimental purpose, so that a stuffing box 16 communicated with the shell 1 is arranged on the outer side of the shell 1, and the reaction materials are placed in the stuffing box 16, so that the purpose of adding the materials can be realized without opening the upper cover 2 in the experimental process, and the condition that the gas or the substances in the shell 1 leak in the experimental process is greatly reduced; the situation that the experiment fails due to the fact that the temperature inside the shell 1 changes when the upper cover 2 is opened is reduced, and the experiment efficiency is effectively improved.
According to fig. 1, 10 and 11, the inner top of the upper cover 2 is provided with an inner groove, and the inner bottom of the inner groove is used for installing a first sealing plate 4; a fixing strip 23 extends downwards from the circumferential edge of the upper cover 2, and the outer surface of the fixing strip 23 is adjacent to the outer side surface of the shell 1; the number of the fixing strips 23 is at least four, and the fixing strips are respectively symmetrically arranged on two opposite edges of the upper cover 2; a through hole is arranged at one end of the fixing strip 23 far away from the upper cover 2, the axial center line of the through hole is horizontally arranged, the through hole is used for penetrating through the left end and the right end of the fixing strip 23, the through hole is used for penetrating through a fixing rod 24,
one end of the fixed rod 24 is provided with a fourth handle 26, and the other end is provided with a cross limiting block 25; one end of the fixing rod 24 provided with a cross limiting block 25 faces the center direction of the shell 1, and one end of the fixing rod 24 provided with a fourth handle 26 faces the outer side wall direction of the shell 1; one end of the shell 1 close to the opening is provided with a fixing and adjusting device, and the fixing and adjusting device is used for fixing the upper cover 2 and the shell 1 through the fixing rod 24.
When the device is used, at least four fixing strips 23 are arranged, the upper cover 2 is buckled at the top opening end of the shell 1, and the inner surface of each fixing strip 23 is attached to the outer surface of the shell 1;
at least two fixing strips 23 are arranged on one surface of the shell 1, correspondingly, fixing and adjusting devices are arranged between the fixing strips 23 at intervals and used for fixing the fixing strips 23, fixing the upper cover 2 and the shell 1 and sealing an opening at the top of the shell 1;
the other side symmetry of casing 1 is provided with the same two at least fixed strips 23, and is corresponding two be provided with fixed adjusting device between the fixed strip 23, thereby make the opening of casing 1 can pass through fixed strip 23 with fixed adjusting device is fixed as an organic whole purpose with upper cover 2 lock.
The cross limiting block 25 of the fixing rod 24 is inserted into the fixing and adjusting device, and the fixing and adjusting device is adjusted to achieve the purpose of compressing and sealing between the upper cover 2 and the top opening of the shell 1.
The fixing rod 24 is capable of reciprocating left and right on the through hole of the fixing strip 23, so that the fixing rod 24 can be inserted into the fixing and adjusting device or the fixing and adjusting device can be taken out, when the cross limiting block 25 of the fixing rod 24 is inserted into the fixing and adjusting device and is fixed and adjusted, the upper cover 2 and the shell 1 are in a sealing state;
when the cross limiting block 25 of the fixing rod 24 is taken out of the fixing and adjusting device, the sealing between the upper cover 2 and the housing 1 can be released, the upper cover 2 can be taken away, and the opening of the housing 1 can be opened.
According to fig. 1, 10 and 11, the fixing and adjusting devices are at least four, and are arranged corresponding to the fixing strips 23,
the two fixing and adjusting devices are in a group and are arranged between two adjacent fixing strips 23 at intervals;
the fixing and adjusting device comprises: a rotating wheel 27, an adjusting plate 28 and a box body 29, wherein the rotating wheel 27 and the adjusting plate 28 are arranged in the box body 29, the box body 29 is fixed on the outer side wall of the shell 1 and is arranged close to the top opening end of the shell 1,
one side of the box body 29 close to the fixing strip 23 is provided with an adjusting notch 30, and the adjusting notch 30 is vertically arranged;
the adjusting plate 28 is fixed on the inner wall of the box body 29 close to one side of the shell 1, one side of the adjusting plate 28 is provided with teeth, and the other side of the adjusting plate 28 is fixed on the inner surface of the box body 29;
teeth are arranged on the circumferential outer wall of the rotating wheel 27, and the teeth on the circumferential outer wall of the rotating wheel 27 and the teeth on the adjusting plate 28 are meshed with each other;
one end of the rotating wheel 27 close to the adjusting notch 30 is provided with a limiting convex block 31, the limiting convex block 31 extends out of the outer side of the box body 29 from the inside of the box body 29 through the adjusting notch 30,
one end of the limiting convex block 31, which is far away from the rotating wheel 27, is provided with a cross limiting groove 32.
When in use, one surface of the upper cover 2 provided with the first sealing plate 4 is buckled at the top opening end of the shell 1, and the cross limiting block 25 on the fixed rod 24 is inserted into the cross limiting groove 32 arranged on the limiting protrusion block 31; at this time, the fixed rod 24 rotates, so that the rotation of the rotating wheel 27 can be realized, and as the rotating wheel 27 and the adjusting plate 28 are arranged by meshing of gears, when the rotating wheel 27 rotates, the rotating wheel 27 can move up and down on the adjusting plate 28;
since the box body 29 is fixed on the outer side surface of the shell 1, when the rotating wheel 27 moves up and down, the fixing strip 23 can be driven to move up and down; when the fixing strip 23 moves up and down, the upper cover 2 is also driven to move up and down, and the purpose of sealing or opening the openings of the upper cover 2 and the shell 1 can be achieved;
the limiting convex block 31 extends out of the adjusting notch 30, so that the cross limiting block 25 can be more conveniently inserted into the cross limiting groove 32, the fixing rod 24 can rotate, and the purpose that the rotating wheel 27 rotates on the adjusting plate 28 can be realized; thereby achieving the purpose of moving the fixing lever 24 up and down on the adjustment notch 30, i.e., the purpose of sealing or opening between the upper cover 2 and the housing 1.
According to the fig. 1, 10 and 11, a first sliding groove 33 is arranged on the inner wall of one side of the box body 29 far away from the adjusting notch 30, a sliding rod 36 is arranged at one end of the rotating wheel 27 far away from the limiting protrusion block 31, and one end of the sliding rod 36 far away from the limiting protrusion block 31 slides in the first sliding groove 33 in a reciprocating manner.
Through set up slide bar 36 in the one end that runner 27 kept away from regulation notch 30 for slide bar 36 can be in the first spout 33 that sets up on the box body 29 inner wall carries out the activity, realizes runner 27 can stabilize pivoted purpose, reduces the carousel with the condition that the gear can not normally mesh is caused to the eccentricity of regulating plate 28 appearance in the use.
According to the illustration in fig. 1 and 2, an end of the stuffing box 16 far away from the casing 1 is provided with a feeding port which penetrates through the inner wall of the stuffing box 16;
a sealing door is arranged at the opening end of the feeding port, the sealing door is arranged inside the stuffing box 16, and one surface of the sealing door is arranged close to the feeding port; the sealing door is arranged to be of a square structure;
the sealing door is connected with the stuffing box 16 through an adjusting rod 3, and the adjusting rod 3 is arranged on one surface of the sealing door close to the inner wall of the stuffing box 16 at intervals along the edge of the sealing door;
the end of the adjusting rod 3 away from the sealing door penetrates through the inner wall of the stuffing box 16 and extends to the outside of the stuffing box 16.
The feeding port 46 can be used for conveniently feeding materials in the experiment process by using the stuffing box 16, so that the purpose of feeding reaction in the experiment process is realized, and the convenience in the experiment process is greatly improved; meanwhile, the sealing door 47 is in use and is in threaded connection with the side wall of the stuffing box 16 through the adjusting rod 3, so that the sealing door 47 and the throwing port 46 are opened or closed; and, the sealing door 47 is disposed inside the stuffing box 16, thereby ensuring that the sealing door 47 will not be burst open when the internal pressure is too high in the casing 1 during the experiment, and the sealing effect between the sealing door 47 and the input port 46 will be better when the pressure inside the casing 1 is higher.
According to the figures 1 and 2, a first handle 11 is arranged at one end of the adjusting rod 3 far away from the sealing door, a first spring 12 is arranged between the first handle 11 and the outer wall of the stuffing box 16, a plurality of threaded holes are arranged around the throwing opening at intervals,
the threaded holes are used for the adjusting rods 3 to be matched with each other and extend to the interior of the stuffing box 16 after penetrating through;
the sealing door is close to the one side of putting in the mouth still is provided with third closing plate 10, third closing plate 10 be used for sealing put in the mouth with the clearance between the sealing door, just third closing plate 10 is used for inlaying and establishes put in the mouth.
The first spring 12 is in a stretching state when the sealing door 47 is closed, when the sealing door 47 needs to be opened, the adjusting rod 3 is used for rotating, and the first handle 11 is used for pushing the first spring 12, so that the first spring 12 is compressed; therefore, when the thread connection between the adjusting rod 3 and the stuffing box 16 is slippery, the purpose of tensioning through the first spring 12 can be reduced, and the leakage situation of the stuffing box 16 is reduced;
the third sealing plate 10 arranged on one surface of the sealing door 47 close to the putting-in opening 46 can effectively fill the putting-in opening 46, and the purpose of sealing the gap between the sealing door 47 and the putting-in opening 46 is realized, so that the leakage condition is further reduced.
According to the figure 3, one surface of the sealing door close to the throwing opening is provided with a plurality of rotating grooves 14 at intervals,
the adjusting rod 3 is connected one side of sealing door is provided with turning block 13, turning block 13 inlays and establishes in the rotation groove 14, just the rotation groove 14 with turning block 13 all sets up to circular notch structure.
In order to facilitate the rotation of the adjusting rod 3 and realize the threaded connection between the adjusting rod 3 and the stuffing box 16, the adjusting rod 3 can be conveniently rotated and in threaded fit with the stuffing box 16 through the rotating block 13 and the rotating groove 14, so that the purpose of opening or closing the sealing door 47 is realized.
According to fig. 2, the stuffing box 16 is also provided with a second sealing plate 15 inside, the top of the second sealing plate 15 is provided with a pulling plate 17,
the pulling plate 17 penetrates through the inner top of the stuffing box 16 and extends out of the stuffing box 16;
a third handle 20 is arranged at one end of the pulling plate 17 far away from the second sealing plate 15, and a second spring 19 is arranged between the third handle 20 and the outer wall of the stuffing box 16;
a sealing table 18 is further arranged between the stuffing box 16 and the pulling plate 17;
a plurality of limiting top blocks 22 are arranged below the second sealing plate 15 at intervals, a plurality of limiting notches 21 are arranged at intervals at the inner bottom of the stuffing box 16, and each limiting notch 21 is used for matching each limiting top block 22.
By providing a second sealing plate 15 in the stuffing box 16, the second sealing plate 15 and the pulling plate 17 isolate the inlet opening 46 of the stuffing box 16 from the interior of the casing 1 when no stuffing is required;
when the materials are required to be placed in the stuffing box 16 or the materials are required to be added into the shell 1, the pulling plate 17 is lifted, and the limiting top block 22 is separated from the limiting notch 21; meanwhile, the second sealing plate 15 and the pulling plate 17 move upwards, and the interior of the housing 1 can be communicated with the putting-in opening 46, so that the purpose of filling materials can be achieved.
The second spring 19 is always in a compressed state under the condition of no force application, and the pulling plate 17 and the second sealing plate 15 are tensioned by the lower surface of the third handle 20 and the outer surface of the stuffing box 16, so that the purpose of isolating the inside of the stuffing box 16 is realized;
when the third handle 20 is pulled to move upwards, the second spring 19 is stretched, and the pulling plate 17 and the second sealing plate 15 move upwards.
According to the figure 1, an air inlet pipeline 5 and an air outlet pipeline 6 are arranged at the left side of the shell 1 at intervals,
the air inlet pipeline 5 and the air outlet pipeline 6 both penetrate through the outer wall of the shell 1 and are communicated with the inside of the shell 1;
a handle 9 is arranged at the outer top of the upper cover 2; and the front side wall and the rear side wall of the shell 1 are provided with observation windows 8.
The air inlet pipeline 5 and the air outlet pipeline 6 are used for air pressure balance in the shell 1, and when air inlet is needed, air is inflated through the air inlet pipeline 5; when the interior of the shell 1 needs to be deflated and decompressed, the purpose of decompressing the interior of the shell 1 can be realized by rotating the valve 7 on the air outlet pipeline 6;
the chemical reaction of the experimental substance in the shell 1 can be conveniently observed through the arranged observation port; the upper cover 2 can be conveniently lifted through the handle 9 arranged at the outer top of the upper cover 2, so that the test position can be moved at any time when the upper cover 2 and the shell 1 are fixed together; or the upper cover 2 is detached, so that the upper cover 2 and the shell 1 are conveniently separated from each other.
According to fig. 4, the sealing station comprises: a first baffle 38 and a second baffle 35, said first baffle 38 and said second baffle 35 being disposed on an inner wall and an outer wall of said stuffing box 16, respectively; the lower surface of the first baffle 38 is fixed to the outer surface of the stuffing box 16, the upper surface of the second baffle 35 is provided on the inner wall of the stuffing box 16, and the first baffle 38 and the second baffle 35 are used for clamping the fitting gap between the stuffing box 16 and the pulling plate 17; the first baffle 38 and the second baffle 35 are provided with sealing strips on their sides adjacent to the stuffing box 16.
When the sealing device is used, the first baffle plate 38 and the second baffle plate 35 can effectively improve the sealing effect between the pulling plate 17 and the stuffing box 16, and the sealing strips of the first baffle plate 38 and the second baffle plate 35 can greatly improve the sealing effect between the sealing table 18 and the stuffing box 16, so that the leakage of the stuffing box 16 is reduced.
According to fig. 5 and 6, the stuffing box 16 is provided with a pushing and releasing device at a side close to the sealing door 47, the pushing and releasing device comprises a first connecting rod 39, a second connecting rod 42, a pushing rod 44 and a containing plate 43,
the first connecting rod 39 is hinged at the inner top of the stuffing box 16 through a hinge ball 40, a third connecting rod 41 is arranged at one end of the first connecting rod 39 far away from the hinge ball 40, and one end of the third connecting rod 41 far away from the first connecting rod 39 is movably connected with the second connecting rod 42;
one end of the second connecting rod 42 close to the third connecting rod 41 is provided with a movable notch, the movable notch is used for the third connecting rod 41 to reciprocate along the axis of the second connecting rod 42,
one end of the second connecting rod 42 far away from the movable notch is hinged with a containing plate 43,
a push rod 44 is further fixed on the circumferential outer wall of the second connecting rod 42, the other end of the push rod 44 extends out of the stuffing box 16 and is far away from the inner wall of the shell 1, the push rod 44 is connected with the inner wall of the stuffing box 16 through a threaded hole,
the push rod 44 is disposed above the sealing door 47.
In the experiment process, because some experiments can not directly add reactants, the reactants need to be added through the feeding port 46, so that the aim of reducing the fluctuation value of the pressure change in the shell 1 is fulfilled;
therefore, when it is necessary to add a reactant through the input port 46, the sealing door 47 is first opened, and the reactant is placed on the containing plate 43 through the input port 46, the sealing door 47 is closed, and it is ensured that no leakage occurs between the housing 1 and the stuffing box 16;
at this time, the third handle 20 is pulled, so that the third handle 20 moves the pulling plate 17 and the second sealing plate 15 upward; the stuffing box 16 is now in communication with the inside of the casing 1;
then, the push rod 44 is pushed, so that the push rod 44 can push the second link 42 towards the housing 1, since the first link 39 and the second link 42 are connected through the third link 41; meanwhile, the first connecting rod 39 is hinged on the inner top wall of the stuffing box 16 through a hinge ball 40, so that when the push rod 44 pushes the second connecting rod 42 towards the housing 1, the third connecting rod 41 slides out of the sliding groove of the second connecting rod 42, the distance between the first connecting rod 39 and the second connecting rod 42 is pulled apart until the containing plate 43 completely leaves the stuffing box 16 and reaches the inside of the housing 1, the containing plate 43 and the second connecting rod 42 are hinged, when the containing plate 43 reaches the inside of the housing 1, the upper surface of the containing plate 43 changes under the action of gravity, and changes from horizontal to vertical, so that the reactant on the containing plate 43 can be thrown into the housing 1 and reacts in the housing 1;
when the reactant on the containing plate 43 is successfully put into the shell 1; at this time, the push rod 44 is moved towards the throwing port 46, so that the distance between the second connecting rod 42 and the first connecting rod 39 is reduced, and the third connecting rod 41 completely slides into the sliding groove of the second connecting rod 42, and the pushing device can be accommodated;
after the pushing device is completely reset, the third handle 20 is loosened, the pulling plate 17 and the second sealing plate 15 slide downwards, the limiting jacking block 22 is clamped in the limiting notch 21, and the purpose of isolating the stuffing box 16 from the interior of the shell 1 is achieved; thereby reducing the leakage of the reactants from the inlet opening 46 of the stuffing box 16 when the experimental reaction of the shell 1 is carried out;
according to fig. 8, a second handle 45 is further provided at the end of the push rod 44 away from the second connecting rod 42, and the second handle 45 is used for facilitating the adjustment by rotating the push rod 44 and the screw hole on the stuffing box 16; a button 50 is further arranged at one end of the second handle 45 far away from the push rod 44, an electromagnet 48 is embedded in the first connecting rod 39, and the containing plate 43 is made of a magnetic material, preferably a Q235 iron plate;
one end of the button 50 is connected with a power supply, the other end is connected with the electromagnet 48 through a lead 49, and the lead 49 is embedded in the push rod 44.
When the containing plate 43 successfully puts reactants into the shell 1, the push rod 44 and the button 50 start the electromagnet 48 to be electrified, the containing plate 43 is hinged with the second connecting rod 42, the containing plate 43 is made of a magnetic material, after the electromagnet 48 is electrified, the containing plate 43 can be attracted by the second connecting rod 42, at the moment, the push rod 44 moves towards the direction of the stuffing box 16 far away from the shell 1, the distance between the second connecting rod 42 and the first connecting rod 39 is shortened, when the second connecting rod 42 and the first connecting rod 39 are completely vertical and the end surfaces of the first connecting rod 39 and the second connecting rod 42 are contacted, the button 50 is closed, the magnetism of the electromagnet 48 disappears, the hinged part of the containing plate 43 and the second connecting rod 42 lowers the containing plate 43, and the lower surface of the containing plate 43 is attached to the inner bottom of the stuffing box 16, and used for placing the reactant at the next time; simultaneously, the second sealing plate 15 is moved downward so that the second sealing plate 15 isolates the stuffing box 16 from the housing 1, and then a reaction experiment is performed.
As shown in fig. 1, 7, 8 and 9, a pressure sensor 51 is further disposed in the housing 1, the valve is configured as an electromagnetic valve, the pressure sensor and the electromagnetic valve are connected to a control board, the control board is provided with a controller and a memory,
be provided with control circuit on the control panel, control circuit includes: the shell (1) is also internally provided with a pressure sensor, the first control valve and the second control valve are both provided with electromagnetic valves, the pressure sensor and the electromagnetic valves are uniformly connected with a control panel, the control panel is provided with a controller and a memory,
be provided with control circuit on the control panel, control circuit includes: resistors R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, capacitors C1, C2, C3, C4, C5, C6, diodes D1, D2, D3, D4, D5, D6, D7 and a triode V1,
the anode of the diode D7 is an input end, the cathode of the diode D7 is connected with the resistor R1, the other end of the resistor R1 is respectively connected with the cathode of the capacitor C1 and the cathode of the diode D1, the anode of the diode D1 is connected with the resistor R4,
the other end of the capacitor C1 is connected with a resistor R2, the other end of the resistor R2 is respectively connected with a resistor R3 and a resistor R6, the other end of the resistor R4 is respectively connected with the anode of a diode D3 and a resistor R9, and the anode of the diode D3 is connected with the ground wire between the resistor R9;
the cathode of the diode D3 is connected with a resistor R5, the other end of the resistor R5 is connected with a capacitor C2, the other end of the capacitor C2 is respectively connected with the base of the triode V1 and a resistor R3, the other end of the resistor R3 is connected with a resistor R6,
the collector of the triode V1 is connected with a resistor R7, the emitter of the triode V1 is connected with a resistor R8, the other end of the resistor R8 is connected with a resistor R10, the other end of the resistor R6 is connected with a capacitor C3,
the other end of the resistor R10 is connected with the anode of a diode D4, the other end of the resistor R9 is connected with a capacitor C5, the other end of the capacitor C5 is connected with a resistor R13, the other end of the resistor R7 is connected with one end of a capacitor C4,
the other end of the capacitor C3 is respectively connected with the cathode of the diode D2 and the anode of the diode D5, the anode of the diode D2 is respectively connected with the other ends of the resistor R12 and the capacitor C4, the other end of the resistor R12 is connected with the resistor R11, the other end of the resistor R11 is respectively connected with the cathode of the diode D4 and one end of the resistor R15,
the other end of the resistor R13 is respectively connected with the other end of the resistor R15 and one end of the resistor R16, the other end of the resistor R16 is connected with the anode of a diode D6, and the cathode of the diode D6 is respectively connected with a resistor R17 and a capacitor C6;
the other end of the capacitor C6 is connected with a resistor R14, the other end of the resistor R14 is connected with the cathode of a diode D5, and the other end of the resistor R17 is an output end.
The control circuit is a signal amplification control circuit, when the information of the pressure sensor is transmitted to the memory, and the controller performs data retrieval from the memory and uses the data, the signal amplification control circuit is used for realizing that the information acquired by the pressure sensor can be completely extracted to the controller without losing packets, so that the controller can monitor the data information of the pressure sensor, and when the pressure value of the pressure sensor reaches an alarm range, the controller can also obtain correct information and start the electromagnetic valve to perform pressure relief or pressurization; the pressure relief or pressurization caused by errors of the information received by the controller is reduced, so that the experimental effect is influenced.
Specifically, when signals are input from the diode D7 and the resistor R1, the signals reach the resistor R3 through the capacitor C1 and the resistor R2, are amplified through the primary signal amplification circuit, that is, the signals are amplified through the triode V1, the resistor R7, the R8, the R10 and the diode D4, are filtered and restored through the primary diodes D4, R15, R16 and the diode D6 of the diodes D2 and D5, and finally, the signals are output to the controller through the resistor R17, so that the controller reads information and makes corresponding judgment.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A laboratory isolation control box, comprising: a shell (1), an upper cover (2) and a stuffing box (16),
the experiment device comprises a shell (1), an opening is formed in the top of the shell (1), an upper cover (2) is buckled at the opening of the shell (1), and the upper cover (2) is detachably connected with the shell (1);
a first sealing plate (4) is further arranged between the upper cover (2) and the opening part of the shell (1), one surface of the first sealing plate (4) is fixed on the inner top of the upper cover (2), and the other surface of the first sealing plate (4) is embedded in the inner wall of the opening at the top of the shell (1);
the stuffing box (16) is arranged on the right side of the shell (1), and the stuffing box (16) penetrates through the outer wall of the right side of the shell (1) and is communicated with the interior of the shell (1);
an inner groove is formed in the inner top of the upper cover (2), and the inner bottom of the inner groove is used for mounting a first sealing plate (4);
a fixing strip (23) extends downwards from the circumferential edge of the upper cover (2), and the outer surface of the fixing strip (23) is adjacent to the outer side surface of the shell (1);
the number of the fixing strips (23) is at least four, and the fixing strips are symmetrically arranged on two opposite edges of the upper cover (2) respectively;
a through hole is arranged at one end of the fixing strip (23) far away from the upper cover (2), the axial center line of the through hole is horizontally arranged, the through hole is used for penetrating through the left end and the right end of the fixing strip (23), the through hole is used for penetrating through a fixing rod (24),
one end of the fixed rod (24) is provided with a fourth handle (26), and the other end is provided with a cross limiting block (25); one end of the fixing rod (24) provided with a cross limiting block (25) faces the center direction of the shell (1), and one end of the fixing rod (24) provided with a fourth handle (26) faces the outer side wall direction of the shell (1);
one end of the shell (1) close to the opening is provided with a fixing and adjusting device, and the fixing and adjusting device is used for fixing the upper cover (2) and the shell (1) through the fixing rod (24);
the number of the fixed adjusting devices is at least four, and the fixed adjusting devices are arranged corresponding to the fixed strips (23) one by one,
the two fixing and adjusting devices are in a group and are arranged between two adjacent fixing strips (23) at intervals;
the fixing and adjusting device comprises: a rotating wheel (27), an adjusting plate (28) and a box body (29), wherein the rotating wheel (27) and the adjusting plate (28) are arranged in the box body (29), the box body (29) is fixed on the outer side wall of the shell (1) and is arranged close to the top opening end of the shell (1),
one side, close to the fixing strip (23), of the box body (29) is provided with an adjusting notch (30), and the adjusting notch (30) is vertically arranged;
the adjusting plate (28) is fixed on the inner wall of the box body (29) close to one side of the shell (1), one side of the adjusting plate (28) is provided with teeth, and the other side of the adjusting plate is fixed on the inner surface of the box body (29);
teeth are arranged on the circumferential outer wall of the rotating wheel (27), and the teeth on the circumferential outer wall of the rotating wheel (27) and the teeth on the adjusting plate (28) are meshed with each other;
one end of the rotating wheel (27) close to the adjusting notch (30) is provided with a limiting convex block (31), the limiting convex block (31) extends out of the outer side of the box body (29) from the inside of the box body (29) through the adjusting notch (30),
a cross limiting groove (32) is formed in one end, far away from the rotating wheel (27), of the limiting protruding block (31);
one end, far away from the shell (1), of the stuffing box (16) is provided with a feeding port, and the feeding port penetrates through the inner wall of the stuffing box (16);
a sealing door (47) is arranged at the opening end of the feeding port, the sealing door (47) is arranged inside the stuffing box (16), and one surface of the sealing door (47) is arranged close to the feeding port; the sealing door (47) is arranged to be of a square structure;
a second sealing plate (15) is arranged in the stuffing box (16), a pulling plate (17) is arranged at the top of the second sealing plate (15),
the pulling plate (17) penetrates through the inner top of the stuffing box (16) and extends out of the stuffing box (16);
a sealing table (18) is also arranged between the stuffing box (16) and the pulling plate (17);
a plurality of limiting top blocks (22) are arranged below the second sealing plate (15) at intervals, a plurality of limiting notches (21) are arranged at intervals at the inner bottom of the stuffing box (16), and the limiting notches (21) are used for the limiting top blocks (22) to be matched with each other;
the sealing station includes: a first baffle (38) and a second baffle (35),
the first baffle (38) and the second baffle (35) are respectively arranged on the inner wall and the outer wall of the stuffing box (16); the lower surface of the first baffle (38) is fixed on the outer surface of the stuffing box (16), the upper surface of the second baffle (35) is arranged on the inner wall of the stuffing box (16),
the first baffle plate (38) and the second baffle plate (35) are used for clamping the stuffing box (16) and a mounting gap arranged inside the stuffing box and between the pulling plates (17); a second sealing plate (15) is further arranged inside the stuffing box (16), and a pulling plate is arranged at the top of the second sealing plate (15)
Sealing strips are arranged on one surfaces, close to the stuffing box (16), of the first baffle plate (38) and the second baffle plate (35);
a pushing device is arranged on one side of the stuffing box (16) close to the sealing door (47), the pushing device comprises a first connecting rod (39), a second connecting rod (42), a push rod (44) and a containing plate (43),
the first connecting rod (39) is hinged to the inner top of the stuffing box (16) through a hinge ball (40), a third connecting rod (41) is arranged at one end, away from the hinge ball (40), of the first connecting rod (39), and one end, away from the first connecting rod (39), of the third connecting rod (41) is movably connected with the second connecting rod (42);
one end of the second connecting rod (42) close to the third connecting rod (41) is provided with a movable notch, the movable notch is used for the third connecting rod (41) to reciprocate along the axis of the second connecting rod (42),
one end of the second connecting rod (42) far away from the movable notch is hinged with a containing plate (43),
a push rod (44) is further fixed on the circumferential outer wall of the second connecting rod (42), the other end of the push rod (44) extends out of the inner wall of the stuffing box (16) far away from the shell (1), the push rod (44) is connected with the inner wall of the stuffing box (16) through a threaded hole,
the push rod (44) is arranged above the sealing door (47).
2. The laboratory isolation operating box according to claim 1, wherein a first sliding groove (33) is formed in an inner wall of a side of the box body (29) far away from the adjusting notch (30), a sliding rod (36) is arranged at one end of the rotating wheel (27) far away from the limiting protrusion block (31), and one end of the sliding rod (36) far away from the limiting protrusion block (31) slides back and forth in the first sliding groove (33).
3. The laboratory isolation control box of claim 1,
the sealing door (47) is connected with the stuffing box (16) through an adjusting rod (3), and the adjusting rod (3) is arranged on one surface, close to the inner wall of the stuffing box (16), of the sealing door (47) at intervals along the edge of the sealing door (47);
one end, far away from the sealing door (47), of the adjusting rod (3) penetrates through the inner wall of the stuffing box (16) and extends to the outside of the stuffing box (16).
4. A laboratory isolation operation box according to claim 3, characterized in that one end of the adjusting rod (3) far away from the sealing door (47) is provided with a first handle (11), a first spring (12) is arranged between the first handle (11) and the outer wall of the stuffing box (16), the periphery of the input opening is provided with a plurality of threaded holes at intervals,
the threaded holes are used for the adjusting rods (3) to be matched with each other and extend into the stuffing box (16) after penetrating through;
the sealing door (47) is close to one side of the throwing opening and is further provided with a third sealing plate (10), the third sealing plate (10) is used for sealing a gap between the throwing opening and the sealing door, and the third sealing plate (10) is used for being embedded in the throwing opening.
5. A laboratory screening control box according to claim 3, characterized in that a plurality of rotary slots (14) are provided at intervals on the side of said sealing door (47) adjacent to said input port,
adjust pole (3) and connect the one side of sealing door (47) is provided with turning block (13), turning block (13) are inlayed and are established in rotation groove (14), just rotation groove (14) with turning block (13) all set up to circular notch structure.
6. A laboratory isolation control box according to claim 3,
and a third handle (20) is arranged at one end, far away from the second sealing plate (15), of the pulling plate (17), and a second spring (19) is arranged between the third handle (20) and the outer wall of the stuffing box (16).
7. The laboratory isolation control box according to claim 1, wherein the left side of the housing (1) is provided with an air inlet pipe (5) and an air outlet pipe (6) at intervals,
the air inlet pipeline (5) and the air outlet pipeline (6) both penetrate through the outer wall of the shell (1) and are communicated with the interior of the shell (1);
valves (7) are arranged at one ends of the air inlet pipeline (5) and the air outlet pipeline (6) far away from the shell (1);
a handle (9) is arranged at the outer top of the upper cover (2); and the front side wall and the rear side wall of the shell (1) are provided with observation windows (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910780038.8A CN110548549B (en) | 2019-08-22 | 2019-08-22 | Laboratory isolation operation box |
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| CN201910780038.8A CN110548549B (en) | 2019-08-22 | 2019-08-22 | Laboratory isolation operation box |
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| CN110548549B true CN110548549B (en) | 2021-11-02 |
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